CN201635888U - Oil injection device check valve - Google Patents
Oil injection device check valve Download PDFInfo
- Publication number
- CN201635888U CN201635888U CN2010200334029U CN201020033402U CN201635888U CN 201635888 U CN201635888 U CN 201635888U CN 2010200334029 U CN2010200334029 U CN 2010200334029U CN 201020033402 U CN201020033402 U CN 201020033402U CN 201635888 U CN201635888 U CN 201635888U
- Authority
- CN
- China
- Prior art keywords
- valve body
- spool
- injection device
- guide sleeve
- oil injection
- Prior art date
- 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 - Lifetime
Links
Images
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
- Check Valves (AREA)
Abstract
The utility model discloses an oil injection device check valve belonging to an oil injection device of a diesel engine lubricating system. The utility model aims to provide an oil injection device check valve having excellent seal effect and saving resources. The oil injection device check valve comprises an upper valve body and a lower valve body, wherein the upper valve body and the lower valve body come into contact with each other; a cavity is arranged in the lower valve body; a valve core and a valve seat fitting with the valve core are arranged at the bottom end of the cavity, and a compressed spring is arranged on the valve core. The utility model is characterized in that the valve core is a semi-spherical steel ball, and the contact part of the valve core with the valve seat forms linear contact. The use of the oil injection device check valve in the lubricating system of the low-speed and large-power diesel engine cylinder of a ship can stably and reliably lubricate the diesel engine cylinder, largely improve the safety and the reliability of the diesel engine of the ship, and save lubricating oil to a large extent.
Description
Technical field
The utility model belongs to the lubricating system of diesel oil engine oiling device, is a kind of oil gun safety check specifically.
Background technique
The function of lubricating system of diesel oil engine is that the friction surface that cleaning, lubricant oil with certain pressure and temperature are delivered to each moving element is carried out pressure lubrication and heat radiation, can work reliably to guarantee the diesel engine moving element.
Oiling device is at a constituent element of lubricating system of diesel oil engine, and it is for guaranteeing that the safe and reliable running of lubricating system of diesel oil engine also plays an important role.Safety check on the oil gun of marine diesel engine of the prior art mainly is made up of valve casing, steel ball and spring, steel ball forms linear the contact with the valve seat contact segment, seal pouring orifice, its top is connected with a pressure spring, the other end of described pressure spring is connected with the oil gun top, when the pouring orifice fuel feeding, steel ball is reciprocating in oil gun under the impact of lubricant oil so.But also there is certain problem in such safety check in actual operation, for example steel ball is subjected to extraneous interference in moving reciprocatingly, and may be shifted, thereby it is poorly sealed to produce pouring orifice, and cause the backflow of lubricant oil, influenced the performance of oil gun greatly.
Summary of the invention
It is good that the technical problems to be solved in the utility model provides a kind of sealing effect, and save the oil gun safety check of resource.
For achieving the above object, the utility model is achieved in that a kind of oil gun safety check, comprising: upper valve body and following valve body, and upper valve body is in contact with one another with following valve body and cooperates; Be provided with cavity in the valve body under described; Bottom at cavity is provided with spool, and the valve seat that matches with spool is provided with pressure spring on spool; It is characterized in that: described spool is a hemispherical steel ball, forms linear the contact with described valve seat contact segment.
End face at spool is provided with guide sleeve, and pressure spring is enclosed within on the guide sleeve; On upper valve body, be provided with positioning hole for the guide sleeve guiding.Owing on valve body, connect a guide sleeve, played leading role, thereby the accident of the pouring orifice poor sealing that the spool displacement causes can not take place.
The bottom of described guide sleeve is provided with boss, is used to support pressure spring, and boss contacts with hemispheric spool face.The effect of this scheme is to guarantee being connected of spring and guide sleeve, makes its contact closer.
The sphere of described spool and valve seat Line of contact upper end is provided with plural guiding gutter.This scheme has improved working efficiency because the setting of guiding gutter in the moment that spool is opened, can make the fuel delivery of oil gun significantly increase, and has guaranteed the safe and reliable of diesel engine operation, and has saved lubricant oil.
In the middle of the described guide sleeve is pod apertures, communicates with guiding gutter.When strengthening oil filling amount, owing to be provided with pod apertures, make oil flow through guide sleeve from pod apertures, flow out to oil outlet again, thereby strengthen oil pump capacity.
Description of drawings
Fig. 1 is the sectional drawing of specific embodiment 1.
Fig. 2 is the sectional drawing of specific embodiment 2.
Embodiment
Below in conjunction with Figure of description the utility model is described in further detail.
Fig. 1 shows the sectional drawing of oil gun safety check of the present utility model, and it comprises valve body 1 and upper valve body 2 down, and upper valve body 2 is in contact with one another with following valve body 1 and cooperates; One oil outlet 21 is arranged at the center of upper valve body 2, be provided with corresponding pouring orifice 11 at the center of following valve body 1; After upper valve body 2 assembles with following valve body 1, in the valve body cavity 12 is being arranged down; Be provided with a spool 3 in the bottom of cavity 12, spool 3 is hemispheric steel ball, and sphere is valve seat 121 towards pouring orifice 11 in the sphere and following valve body 1 contacting point of steel ball, and valve seat 121 communicates with pouring orifice 11, is provided with pressure spring 4 on the plane of hemispheric steel ball; Pressure spring 4 withstands the inwall of valve.
Such scheme is done further to improve, at the end face of spool 3, promptly be provided with guide sleeve 5 on hemispheric horizontal plane, pressure spring 4 is enclosed within on the guide sleeve 5; Be provided with the positioning hole 22 that leads for guide sleeve in upper valve body 2 upper ends.Owing to connect a guide sleeve 5 on spool 3, guide sleeve 5 cooperatively interacts with positioning hole 22 on the upper valve body 2, has played leading role, thereby the accident of pouring orifice 11 poor sealings that spool 3 displacements cause can not take place.
To 4 covers of the pressure spring in the such scheme and being connected of guide sleeve 5 doing further to improve, the bottom of described guide sleeve 5 is provided with boss 51, is used to support pressure spring 4, and boss 51 contacts with 3 of hemispheric spools.The effect of this scheme is to guarantee being connected of spring 4 and guide sleeve 5, makes its contact closer.
Technique scheme is done further to improve, and described spool 3 is provided with plural guiding gutter 31 with the sphere of valve seat 121 Line of contact upper end.Be provided with pod apertures 52 in the middle of the described guide sleeve, communicate with guiding gutter 31.In the moment that spool 3 is opened, can make the fuel delivery of oil gun significantly increase, improved working efficiency, guarantee the safe and reliable of diesel engine operation, and saved lubricant oil.In the moment that spool is opened, the oil of injection flows through guide sleeve 5 from pod apertures 32 at once, flows out to oil outlet 21 again, thereby strengthens oil pump capacity.
The utility model is used for the oil gun safety check of the lubrication system of marine low-speed high-power diesel engine cylinder, can be so that cylinder of diesel engine be lubricated stable more, reliable, improve the safety and reliability of marine diesel engine greatly, and saved lubricant oil to a great extent.
Claims (5)
1. oil gun safety check comprises: upper valve body and following valve body, and upper valve body is in contact with one another with following valve body and cooperates; Be provided with cavity in the valve body under described; Bottom at cavity is provided with spool, and the valve seat that matches with spool is provided with pressure spring on spool; It is characterized in that: described spool is a hemispherical steel ball, forms linear the contact with described valve seat contact segment.
2. oil gun safety check according to claim 1 is characterized in that: the end face at spool is provided with guide sleeve, and pressure spring is enclosed within on the guide sleeve; On upper valve body, be provided with positioning hole for the guide sleeve guiding.
3. according to the described oil gun safety check of claim 2, it is characterized in that: the bottom of described guide sleeve is provided with boss, is used to support pressure spring, and boss contacts with hemispheric spool face.
4. oil gun safety check as claimed in claim 1 or 2 is characterized in that: the sphere of described spool and valve seat Line of contact upper end is provided with plural guiding gutter.
5. according to the described oil gun safety check of claim 3, it is characterized in that: for pod apertures, communicate in the middle of the described guide sleeve with guiding gutter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200334029U CN201635888U (en) | 2010-01-22 | 2010-01-22 | Oil injection device check valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200334029U CN201635888U (en) | 2010-01-22 | 2010-01-22 | Oil injection device check valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201635888U true CN201635888U (en) | 2010-11-17 |
Family
ID=43080376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200334029U Expired - Lifetime CN201635888U (en) | 2010-01-22 | 2010-01-22 | Oil injection device check valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201635888U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680041A (en) * | 2017-02-23 | 2017-05-17 | 四川大学 | Expired air collection device |
| CN110500333A (en) * | 2019-08-28 | 2019-11-26 | 扬州大山液压气动制造有限公司 | A kind of multi-cavity high thrust energy saving cylinder |
| CN111577754A (en) * | 2020-05-29 | 2020-08-25 | 嘉兴荣昌轴承股份有限公司 | Oil mass visualized sliding bearing |
-
2010
- 2010-01-22 CN CN2010200334029U patent/CN201635888U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106680041A (en) * | 2017-02-23 | 2017-05-17 | 四川大学 | Expired air collection device |
| CN110500333A (en) * | 2019-08-28 | 2019-11-26 | 扬州大山液压气动制造有限公司 | A kind of multi-cavity high thrust energy saving cylinder |
| CN111577754A (en) * | 2020-05-29 | 2020-08-25 | 嘉兴荣昌轴承股份有限公司 | Oil mass visualized sliding bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104160141A (en) | Pump head for a fuel pump | |
| CN201635888U (en) | Oil injection device check valve | |
| CN103527835A (en) | Hydraulic-driven underwater gate valve capable of being driven by ROV | |
| CN101886570B (en) | Piston cooling spray nozzle structure | |
| CN203189105U (en) | Engine piston cooling nozzle | |
| CN205560234U (en) | Self -lubricating mechanism | |
| CN201606543U (en) | One-way valve | |
| CN107956617A (en) | The fuel injection system of internal combustion engine | |
| CN211777969U (en) | Piston structure and piston pump using same | |
| CN109209713A (en) | A kind of plunger device and internal combustion engine | |
| CN201739167U (en) | Plunger lubricating device for reciprocating type plunger pump | |
| CN201176975Y (en) | Chain saw lubrication oil supply pump | |
| CN209067393U (en) | A kind of plunger device and internal combustion engine | |
| CN210396942U (en) | Novel high-pressure oil pump | |
| CN203321728U (en) | Plunger assembly for high-pressure common rail pump | |
| CN201891881U (en) | Heart-shaped pressure limiting valve | |
| CN202914153U (en) | Piston-type engine oil pressure limit valve device | |
| CN202040313U (en) | Automatic lubricating device of ingot casting machine chain | |
| CN202832349U (en) | Stuffing box | |
| CN108006423B (en) | Self-lubricating device for pulley | |
| CN111306056A (en) | Piston structure | |
| CN201176920Y (en) | Self-help type lubricated high-pressure plunger pump | |
| CN208153181U (en) | A kind of piston structure of automotive pump | |
| CN216841858U (en) | Tappet column | |
| CN219549002U (en) | Pump body structure and engine system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20101117 |
|
| CX01 | Expiry of patent term |