CN105332750B - Valve stem - Google Patents
Valve stem Download PDFInfo
- Publication number
- CN105332750B CN105332750B CN201510695193.1A CN201510695193A CN105332750B CN 105332750 B CN105332750 B CN 105332750B CN 201510695193 A CN201510695193 A CN 201510695193A CN 105332750 B CN105332750 B CN 105332750B
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- CN
- China
- Prior art keywords
- oil strain
- push rod
- rod body
- oil
- passage
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Fuel-Injection Apparatus (AREA)
Abstract
The invention discloses a kind of valve stem, including push rod body, described push rod body one end is provided with thimble, the push rod body other end is connected with top cap, the top cap bottom installation is provided with lubricant oil strain chamber, the push rod body front end is installed with ball body, the lubricant oil strain chamber center is provided with oil strain passage, the oil strain passage both ends offer oil strain hole, oil strain hole outboard end installation is provided with accumulator, the ball body is imported in the oil strain passage, oil guide pipe is provided with the push rod body, the push rod body interior front end is additionally provided with a trapped fuel room, described oil guide pipe one end is connected on the trapped fuel room, the oil guide pipe other end connection exports the thimble, the push rod body exterior is additionally provided with a protective case.By the above-mentioned means, the present invention can be lubricated oil lubrication by built-in lubricant oil strain chamber to valve stem, the abrasion that friction belt is come in mode valve stem long-term use, increase the service life.
Description
Technical field
The present invention relates to valve stem field, more particularly to a kind of valve stem.
Background technology
The main function of valve stem is that the thrust of push rod is transmitted into rocking arm, one end of push rod and cam contact, the other end
With valve contacts, its effect is that the thrust of cam is transmitted into valve, drives valve opening.But traditional valve stem is all letter
Single uses as support bar, lacks other functions, and valve stem can be rubbed and be brought during long-term use
A certain degree of abrasion, if corresponding lubricated can not be carried out, service life can be substantially reduced.
The content of the invention
The present invention solves the technical problem of a kind of valve stem is provided, built-in lubricant oil strain chamber can be passed through
Room is lubricated oil lubrication to valve stem, the abrasion that friction belt is come in mode valve stem long-term use, increases the service life.
In order to solve the above technical problems, one aspect of the present invention is：A kind of valve stem, including top are provided
Bar body, described push rod body one end are provided with thimble, and the push rod body other end is connected with top cap, the top cap bottom peace
Lubricant oil strain chamber is equiped with, the push rod body front end is installed with ball body, the lubricant oil strain chamber center
Provided with oil strain passage, the oil strain passage both ends offer oil strain hole, and outboard end installation in the oil strain hole is provided with accumulator, described
Ball body is imported in the oil strain passage, is provided with oil guide pipe in the push rod body, the push rod body interior front end is additionally provided with
One trapped fuel room, described oil guide pipe one end are connected on the trapped fuel room, and the oil guide pipe other end connection exports the thimble, institute
State push rod body exterior and be additionally provided with a protective case.
In a preferred embodiment of the present invention, the ball body leaves gap with the oil strain passage both ends, described to deposit
Grease chamber front end, which is opened wide, to be set, and the trapped fuel room is arranged at the ball body outer fix, ball described in the trapped fuel indoor reception
Body and the lubricating oil flowed out on the oil strain passage gap between two ends.
In a preferred embodiment of the present invention, the protective case is fixed and is placed on the push rod outer body face, described
Chromium plating in protective case end face outside.
In a preferred embodiment of the present invention, the oil strain hole is opened among the oil strain passage in fragment position, institute
State oil strain hole one end and connect the accumulator, the oil strain hole other end connects the oil strain passage.
In a preferred embodiment of the present invention, the oil strain Channel front end is set with the closing of top cap bottom connection end
Put.
In a preferred embodiment of the present invention, the ball body is solid steel ball.
The beneficial effects of the invention are as follows：The present invention can be moistened by built-in lubricant oil strain chamber to valve stem
Oil lubrication, the abrasion that friction belt is come in mode valve stem long-term use, increases the service life.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, make required in being described below to embodiment
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, it can also be obtained according to these accompanying drawings other
Accompanying drawing, wherein：
Fig. 1 is the structural representation of the preferred embodiment of valve stem one of the present invention；
The mark of each part is as follows in accompanying drawing：1st, push rod body；2nd, thimble；3rd, top cap；4th, lubricant oil strain chamber；
5th, ball body；6th, oil strain passage；7th, oil strain hole；8th, accumulator；9th, oil guide pipe；10th, trapped fuel room；11st, protective case.
Embodiment
The technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described implementation
Example is only the part of the embodiment of the present invention, rather than whole embodiments.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
Referring to Fig. 1, the embodiment of the present invention includes：
A kind of valve stem, including push rod body 1, described one end of push rod body 1 are provided with thimble 2, and the push rod body 1 is another
One end is connected with top cap 3, and the bottom of top cap 3 installation is provided with lubricant oil strain chamber 4, and the front end of push rod body 1 is fixed
Ball body 5 is installed, the center of lubricant oil strain chamber 4 is provided with oil strain passage 6, and the both ends of oil strain passage 6 offer filter
Oilhole 7, the outboard end of oil strain hole 7 installation are provided with accumulator 8, and the ball body 5 is imported in the oil strain passage 6, the top
Oil guide pipe 9 is provided with bar body 1, the interior forward end of push rod body 1 is additionally provided with a trapped fuel room 10, and described one end of oil guide pipe 9 connects
It is connected on the trapped fuel room 10, the other end of oil guide pipe 9 connection exports the thimble 2, is additionally provided with outside the push rod body 1
One protective case 11.
In addition, the ball body 5 leaves gap with the both ends of oil strain passage 6, the front end of trapped fuel room 10, which is opened wide, to be set,
The trapped fuel room 10 is arranged at the outer fix of ball body 5, and the ball body 5 and the oil strain are received in the trapped fuel room 10
The lubricating oil flowed out on the gap between two ends of passage 6.
It is placed in addition, the protective case 11 is fixed on the lateral surface of push rod body 1, in the end face outside of protective case 11
Chromium plating.
In addition, the oil strain hole 7 is opened in the 6 middle fragment position of oil strain passage, described one end of oil strain hole 7 connects institute
Accumulator 8 is stated, the other end of oil strain hole 7 connects the oil strain passage 6.
In addition, the front end of oil strain passage 6 is set with the bottom connection end of top cap 3 closing.
In addition, the ball body 5 is solid steel ball.
The operation principle of the present invention is to set thimble 2 in the one end of push rod body 1, and the other end of push rod body 1 is connected with top
Cap 3, the installation of the bottom of top cap 3 are provided with lubricant oil strain chamber 4, and the front end of push rod body 1 is installed with ball body 5, and ball body 5 is
Solid steel ball, the center of lubricant oil strain chamber 4 are provided with oil strain passage 6, and the front end of oil strain passage 6 is closed with the bottom connection end of top cap 3
Set, the both ends of oil strain passage 6 offer oil strain hole 7, and the installation of the outboard end of oil strain hole 7 is provided with accumulator 8, and oil strain hole 7 is opened in filter
In oily 6 middle fragment position of passage, the one end of oil strain hole 7 connection accumulator 8, the other end of oil strain hole 7 connection oil strain passage 6, ball body 5
Import in oil strain passage 6, be provided with oil guide pipe 9 in push rod body 1, the interior forward end of push rod body 1 is additionally provided with a trapped fuel room 10, Oil Guide
The one end of pipe 9 is connected on trapped fuel room 10, and the other end of oil guide pipe 9 connection export thimble 2, ball body 5 leaves with the both ends of oil strain passage 6
Gap, the front end of trapped fuel room 10, which is opened wide, to be set, and trapped fuel room 10 is arranged at the outer fix of ball body 5, and ball body 5 is received in trapped fuel room 10
With the lubricating oil flowed out on the gap between two ends of oil strain passage 6, a protective case 11 is additionally provided with outside push rod body 1, protective case 11 is fixed
Be placed on the lateral surface of push rod body 1, chromium plating in the end face outside of protective case 11, when push rod body 1 work top pressure when ball body 5 push up to
The front end of oil strain passage 6, now oil strain hole 7 be located at the rear end of ball body 5, oil strain hole 7 is flowed out lubricating oil and collected by trapped fuel room 10, then
Lubricating oil flows out thimble 2 along oil guide pipe 9 and push rod body 1 is lubricated.
Embodiments of the invention are the foregoing is only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, it is included within the scope of the present invention.
Claims (4)
1. a kind of valve stem, including push rod body, it is characterised in that the push rod body rear end is provided with thimble, the push rod
Body front end is connected with top cap, and the top cap rear end is connected with push rod body front end, and the top cap rear end is provided with profit
Lubrication prescription oil strain chamber, the push rod body front end are installed with ball body, and the lubricant oil strain chamber center is provided with oil strain
Passage, the oil strain passage side offer oil strain hole, and outboard end installation in the oil strain hole is provided with accumulator, and the ball body is led
Entering in the oil strain passage, oil guide pipe is provided with the push rod body, the push rod body interior front end is additionally provided with a trapped fuel room,
Described oil guide pipe one end is connected on the trapped fuel room, and the oil guide pipe other end connection exports the thimble, the push rod sheet
A protective case is additionally provided with outside body, the ball body leaves gap with the oil strain passage both ends, and trapped fuel room front end is opened wide
Set, the trapped fuel room is arranged at the ball body outer fix, ball body described in the trapped fuel indoor reception and the oil strain
The lubricating oil flowed out on passage gap between two ends, the protective case are fixed and are placed on the push rod outer body face, the protective case
Chromium plating in end face outside.
2. valve stem according to claim 1, it is characterised in that the oil strain hole is opened among the oil strain passage
In fragment position, oil strain hole one end connects the accumulator, and the oil strain hole other end connects the oil strain passage.
3. valve stem according to claim 1, it is characterised in that the oil strain Channel front end connects with the top cap bottom
Connect end seal and close setting.
4. valve stem according to claim 1, it is characterised in that the ball body is solid steel ball.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695193.1A CN105332750B (en) | 2015-10-26 | 2015-10-26 | Valve stem |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510695193.1A CN105332750B (en) | 2015-10-26 | 2015-10-26 | Valve stem |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105332750A CN105332750A (en) | 2016-02-17 |
| CN105332750B true CN105332750B (en) | 2018-04-10 |
Family
ID=55283481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510695193.1A Expired - Fee Related CN105332750B (en) | 2015-10-26 | 2015-10-26 | Valve stem |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105332750B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB510863A (en) * | 1938-02-23 | 1939-08-09 | Clifford Towler | Improvements in or relating to valve rocker push rods for internal combustion engines |
| CN202031664U (en) * | 2011-05-03 | 2011-11-09 | 浙江易邦机械有限公司 | Valve push rod |
| CN103161537A (en) * | 2011-12-09 | 2013-06-19 | 淄博柴油机总公司 | Internal combustion engine and tappet mechanism thereof |
| CN204436495U (en) * | 2015-02-08 | 2015-07-01 | 邯郸市恒生内燃机配件有限公司 | A kind of internal-combustion engine push rod |
| CN205189976U (en) * | 2015-10-26 | 2016-04-27 | 无锡市永亿精密铸造有限公司 | Valve ejector pin |
-
2015
- 2015-10-26 CN CN201510695193.1A patent/CN105332750B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB510863A (en) * | 1938-02-23 | 1939-08-09 | Clifford Towler | Improvements in or relating to valve rocker push rods for internal combustion engines |
| CN202031664U (en) * | 2011-05-03 | 2011-11-09 | 浙江易邦机械有限公司 | Valve push rod |
| CN103161537A (en) * | 2011-12-09 | 2013-06-19 | 淄博柴油机总公司 | Internal combustion engine and tappet mechanism thereof |
| CN204436495U (en) * | 2015-02-08 | 2015-07-01 | 邯郸市恒生内燃机配件有限公司 | A kind of internal-combustion engine push rod |
| CN205189976U (en) * | 2015-10-26 | 2016-04-27 | 无锡市永亿精密铸造有限公司 | Valve ejector pin |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105332750A (en) | 2016-02-17 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20181026 |