CN201916095U - Oil outlet valve component for large-sized in-line pump - Google Patents
Oil outlet valve component for large-sized in-line pump Download PDFInfo
- Publication number
- CN201916095U CN201916095U CN201020686880XU CN201020686880U CN201916095U CN 201916095 U CN201916095 U CN 201916095U CN 201020686880X U CN201020686880X U CN 201020686880XU CN 201020686880 U CN201020686880 U CN 201020686880U CN 201916095 U CN201916095 U CN 201916095U
- Authority
- CN
- China
- Prior art keywords
- seat
- outlet valve
- oil outlet
- valve spring
- isobaric
- 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 - Fee Related
Links
Images
Landscapes
- Safety Valves (AREA)
- Check Valves (AREA)
Abstract
An oil outlet valve component for a large-sized in-line pump comprises a nut, an oil outlet valve and an isobaric valve. The oil outlet valve and the isobaric valve are successively mounted in the nut from top to bottom, the oil outlet valve comprises an upper oil outlet valve spring seat, a lower oil outlet valve spring seat, an oil outlet valve spring and an oil outlet valve seat, the oil outlet valve spring is clamped between the upper oil outlet valve spring seat and the lower oil outlet valve spring seat, the oil outlet valve seat is disposed below the lower oil outlet valve spring seat, the isobaric valve comprises an isobaric valve seat, an upper isobaric valve spring seat, a lower isobaric valve spring seat and an isobaric valve spring, the upper isobaric valve spring seat and the lower isobaric valve spring seat are mounted in the isobaric valve seat, the isobaric valve spring is clamped between the upper isobaric valve spring seat and the lower isobaric valve spring seat, the isobaric valve seat is fixed with the nut via a steel wire retainer ring, the lower oil outlet valve spring seat and the oil outlet valve seat are sealed via a steel ball, and at least two oil holes are arranged on the isobaric valve seat. The structure of the oil outlet valve component is arranged by the aid of a traditional in-line pump installation mode, and accordingly the oil outlet valve component not only can reduce the volume of an oil injection pump, but also can increase sealing property, and reduces cost.
Description
Technical field
The utility model relates to field of internal combustion engine, particularly a kind of outlet valve assembly that is used for large-scale pump in upright arrangement.
Background technique
The production of the large-scale pump in upright arrangement of power per cylinder 200kw at present is comparative maturity, and this large-scale pump in upright arrangement can be widely used in big marine diesel engine and generating diesel engine.But existing outlet valve can not satisfy the requirement of Diesel Engine Plant's exploitation big marine diesel engine, hinders the performance of the production advantage of pump in upright arrangement.
The model utility content
Technical problem to be solved in the utility model provides a kind of outlet valve assembly that is used for large-scale pump in upright arrangement, can adapt to cylinder core distance and be 55, the pump large-scale in upright arrangement of power per cylinder 200kw is to the requirement of outlet valve assembly, this outlet valve assembly is installed according to traditional pump mounting type in upright arrangement, both can reduce the volume of Injection Pump, can improve sealability again, and reduce cost.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of outlet valve assembly that is used for large-scale pump in upright arrangement, it comprises tight seat and is installed in inner outlet valve and the constant pressure valve of tight seat from top to bottom successively, outlet valve comprises the oil outlet valve spring seat of honour, following of oil outlet valve spring, folder withstands on the oil outlet valve spring between following of the oil outlet valve spring seat of honour and the oil outlet valve spring and is arranged on delivery valve seat below following of the oil outlet valve spring, constant pressure valve comprises isobaric valve seat, be installed in the constant pressure valve spring seat of honour of isobaric valve seat inside and constant pressure valve spring lower seat and folder and withstand on constant pressure valve spring between the constant pressure valve spring seat of honour and the constant pressure valve spring lower seat, isobaric valve seat is fixing with tight seat by Steel Cable Baffle Ring, by steel ball sealing, isobaric valve seat is provided with at least two oilholes between following of oil outlet valve spring and the delivery valve seat.
Adopting the beneficial effect of technique scheme is that compared with prior art, this structure has following advantage:
1. between existing outlet valve and the delivery valve seat is plane sealing, all very high for the required precision of the roughness that guarantees two sealing planes of sealing and planeness, and can both improve sealability after changing steel ball sealing into, has reduced the difficulty of processing again.
2. isobaric valve seat has only the hole of a Φ 3.5 in the existing structure, and the oil-feed of outlet valve and the oil return of constant pressure valve this hole of all flowing through has increased the hole of at least 1 Φ 2 in the existing constant pressure valve stand structure, increased circulation area.
Further, the cone structure of the upper-end surface of delivery valve seat for fitting tightly with first steel ball.
Adopting the beneficial effect of technique scheme is that the upper-end surface that delivery valve seat contacts with first steel ball only processes a conical surface, has reduced amount of finish, and can fit tightly the raising sealability with first steel ball.
Further, be provided with the adjustment pad between constant pressure valve spring lower seat and the constant pressure valve spring.
Adopt the beneficial effect of above-mentioned further technological scheme to be, the cracking pressure of constant pressure valve is adjusted by the thickness of adjusting pad.
Further, pass through second steel ball sealing between the delivery valve seat and the constant pressure valve spring seat of honour.
Further, the cone structure of the lower end surface of delivery valve seat for fitting tightly with second steel ball.
Adopt the beneficial effect of technique scheme to be, can improve sealability between the delivery valve seat and the constant pressure valve spring seat of honour by second steel ball sealing between the delivery valve seat and the constant pressure valve spring seat of honour.
Further, isobaric valve seat is provided with five oilholes.
Adopt the beneficial effect of technique scheme to be, compared with prior art, increased by 4 oilholes in the constant pressure valve stand structure, increased circulation area.
Further, be provided with pad between tight seat and the delivery valve seat.
Adopt the beneficial effect of above-mentioned further technological scheme to be,, improve the sealing of outlet valve assembly by between tight seat and the delivery valve seat pad being set.
The beneficial effects of the utility model are: the utility model is used for the outlet valve assembly of large-scale pump in upright arrangement and uses for reference the structure that traditional pump mounting type in upright arrangement lays out oil valve assembly, so both can reduce the volume of Injection Pump, can improve sealability again, and reduce cost.
Description of drawings
Fig. 1 is used for the structural representation of the outlet valve assembly of large-scale pump in upright arrangement for the utility model.
In the accompanying drawing, the list of parts of each label representative is as follows:
1 tight seat, the 2 oil outlet valve spring seats of honour, 3 oil outlet valve springs, following of 4 oil outlet valve springs, 5 first steel balls, 6 pads, 7 delivery valve seats, 8 second steel balls, the 9 constant pressure valve spring seats of honour, 10 constant pressure valve springs, 11 adjust pad, 12 constant pressure valve spring lower seats, 13 isobaric valve seats, 14 Steel Cable Baffle Rings, 15 oilholes, 71 oil supply galleries, 72 drainback passages.
Embodiment
Below in conjunction with accompanying drawing principle of the present utility model and feature are described, institute gives an actual example and only is used to explain the utility model, is not to be used to limit scope of the present utility model.
As shown in Figure 1, a kind of outlet valve assembly that is used for large-scale pump in upright arrangement, it comprises tight seat 1 and is installed in the outlet valve and the constant pressure valve of tight seat 1 inside from top to bottom successively, outlet valve comprises the oil outlet valve spring seat of honour 2, following 4 of oil outlet valve spring, folder withstands on the oil outlet valve spring 3 between following 4 of the oil outlet valve spring seat of honour 2 and the oil outlet valve spring, be arranged on first steel ball 5 of following 4 belows of oil outlet valve spring and the delivery valve seat 7 that is arranged on first steel ball, 5 belows, the bottom end that oil outlet valve spring is following 4 is provided with the pit that is complementary with first steel ball, 5 shapes, in the pit that first steel ball, 5 lucky embedding oil outlet valve springs are following 4, the cone structure of the upper-end surface of delivery valve seat 7 for fitting tightly with first steel ball 5, this cone structure is connected with oil supply gallery 71 in the delivery valve seat 7, can realize sealing by first steel ball 5 between following 4 of oil outlet valve spring and the delivery valve seat 7; Constant pressure valve comprises isobaric valve seat 13, be installed in the constant pressure valve spring seat of honour 9 of isobaric valve seat 13 inside, constant pressure valve spring lower seat 12, second steel ball 8 that folder withstands on the constant pressure valve spring 10 between the constant pressure valve spring seat of honour 9 and the constant pressure valve spring lower seat 12 and is arranged on 9 tops, the constant pressure valve spring seat of honour, and second steel ball 8 is between the delivery valve seat 7 and the constant pressure valve spring seat of honour 9, the top end at the constant pressure valve spring seat of honour 9 is provided with the pit that is complementary with second steel ball, 8 shapes, second steel ball 8 embeds in the pit at the constant pressure valve spring seat of honour 9 just, the cone structure of the lower end surface of delivery valve seat 7 for fitting tightly with second steel ball 8, this cone structure is connected with drainback passage 72 in the delivery valve seat 7, can realize sealing by second steel ball 8 between the delivery valve seat 7 and the constant pressure valve spring seat of honour 9; Be provided with pad 6 between tight seat 1 and the delivery valve seat 7, on the isobaric valve seat 13 except the oily passage that is positioned at the central position, also be provided with four oilholes 15, isobaric valve seat 13 is fixed by Steel Cable Baffle Ring 14 and tight seat 1, is provided with between constant pressure valve spring lower seat 9 and the constant pressure valve spring 10 and adjusts pad 11.
The utility model is used for the outlet valve assembly of large-scale pump in upright arrangement when work, the high pressure oil of tight seat 1 below enters oil supply gallery 71 in the delivery valve seat 7 by the oilhole 15 on the isobaric valve seat 13, when oil pressure during greater than delivery valve opening pressure, oil outlet valve spring 3 compressions, first steel ball 5 changes separated state with the cone structure of delivery valve seat 7 into by fit-state under pressure, begin to tight seat 1 top fuel feeding, when the oil pressure of tight seat 1 below during less than delivery valve opening pressure, first steel ball 5 is under oil outlet valve spring 3 effects, fit tightly the realization sealing with the cone structure of delivery valve seat 7, fuel feeding finishes; When the oil pressure of tight seat 1 top during greater than the constant pressure valve cracking pressure, 10 compressions of constant pressure valve spring, second steel ball 8 changes separated state with the cone structure of delivery valve seat 7 into by fit-state under pressure, drainback passage 72 and the oilhole 15 on the isobaric valve seat 13 that the high pressure oil of tight seat 1 top is flowed through on the delivery valve seat 7 begin to 1 time side return oil of tight seat, when the oil pressure of tight seat 1 top during less than the constant pressure valve cracking pressure, second steel ball 8 fits tightly with the cone structure of delivery valve seat 7 under constant pressure valve spring 10 effect and realizes sealing, and oil return finishes.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.
Claims (7)
1. outlet valve assembly that is used for large-scale pump in upright arrangement, it comprises tight seat and is installed in inner outlet valve and the constant pressure valve of tight seat from top to bottom successively, described outlet valve comprises the oil outlet valve spring seat of honour, following of oil outlet valve spring, folder withstands on the oil outlet valve spring between following of the oil outlet valve spring seat of honour and the oil outlet valve spring and is arranged on delivery valve seat below following of the oil outlet valve spring, described constant pressure valve comprises isobaric valve seat, be installed in the constant pressure valve spring seat of honour of isobaric valve seat inside and constant pressure valve spring lower seat and folder and withstand on constant pressure valve spring between the constant pressure valve spring seat of honour and the constant pressure valve spring lower seat, isobaric valve seat is fixing with tight seat by Steel Cable Baffle Ring, it is characterized in that:
By first steel ball sealing, described isobaric valve seat is provided with at least two oilholes between following of described oil outlet valve spring and the delivery valve seat.
2. according to a kind of outlet valve assembly that is used for large-scale pump in upright arrangement shown in the claim 1, it is characterized in that: the cone structure of the upper-end surface of described delivery valve seat for fitting tightly with first steel ball.
3. a kind of outlet valve assembly that is used for large-scale pump in upright arrangement according to claim 1 is characterized in that: be provided with the adjustment pad between described constant pressure valve spring lower seat and the constant pressure valve spring.
4. a kind of outlet valve assembly that is used for large-scale pump in upright arrangement according to claim 1 is characterized in that: pass through second steel ball sealing between the described delivery valve seat and the constant pressure valve spring seat of honour.
5. a kind of outlet valve assembly that is used for large-scale pump in upright arrangement according to claim 4 is characterized in that: the cone structure of the lower end surface of described delivery valve seat for fitting tightly with second steel ball.
6. a kind of outlet valve assembly that is used for large-scale pump in upright arrangement according to claim 1, it is characterized in that: described isobaric valve seat is provided with five oilholes.
7. according to each described a kind of outlet valve assembly that is used for large-scale pump in upright arrangement of claim 1 to 6, it is characterized in that: be provided with pad between described tight seat and the delivery valve seat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020686880XU CN201916095U (en) | 2010-12-29 | 2010-12-29 | Oil outlet valve component for large-sized in-line pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020686880XU CN201916095U (en) | 2010-12-29 | 2010-12-29 | Oil outlet valve component for large-sized in-line pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201916095U true CN201916095U (en) | 2011-08-03 |
Family
ID=44415894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020686880XU Expired - Fee Related CN201916095U (en) | 2010-12-29 | 2010-12-29 | Oil outlet valve component for large-sized in-line pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201916095U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103452726A (en) * | 2013-09-03 | 2013-12-18 | 成都威特电喷有限责任公司 | Pressure control valve of high-pressure fuel passage |
| CN103470417A (en) * | 2013-09-27 | 2013-12-25 | 无锡威孚高科技集团股份有限公司 | Isobaric oil outlet valve |
| CN103883452A (en) * | 2012-12-21 | 2014-06-25 | 北京亚新科天纬油泵油嘴股份有限公司 | Oil suction valve component for high-pressure common rail pump |
| CN103967670A (en) * | 2013-02-04 | 2014-08-06 | 辽宁新风企业集团有限公司 | Oil valve part for high-pressure oil pump |
-
2010
- 2010-12-29 CN CN201020686880XU patent/CN201916095U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103883452A (en) * | 2012-12-21 | 2014-06-25 | 北京亚新科天纬油泵油嘴股份有限公司 | Oil suction valve component for high-pressure common rail pump |
| CN103883452B (en) * | 2012-12-21 | 2016-03-30 | 北京亚新科天纬油泵油嘴股份有限公司 | The oil sucting valve assembly of high voltage common rail pump |
| CN103967670A (en) * | 2013-02-04 | 2014-08-06 | 辽宁新风企业集团有限公司 | Oil valve part for high-pressure oil pump |
| CN103967670B (en) * | 2013-02-04 | 2018-11-06 | 辽宁新风企业集团有限公司 | A kind of high-pressure oil pump fuel tap component |
| CN103452726A (en) * | 2013-09-03 | 2013-12-18 | 成都威特电喷有限责任公司 | Pressure control valve of high-pressure fuel passage |
| CN103470417A (en) * | 2013-09-27 | 2013-12-25 | 无锡威孚高科技集团股份有限公司 | Isobaric oil outlet valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1055745C (en) | Compact high performance fuel syste with accumulator | |
| CN201916095U (en) | Oil outlet valve component for large-sized in-line pump | |
| CN102102611B (en) | In-line type fuel feed pump of high-pressure common rail system | |
| CN2934631Y (en) | Ball valve type high pressure common-rail oil injection pump | |
| CN102374084B (en) | Static non-leakage high pressure common-rail injector | |
| CN103244329A (en) | High-pressure common-rail fuel system with electric monoblock pumps | |
| WO2011109325A2 (en) | Range of engines using common rail fuel system with pump and rail assemblies having common components | |
| CN103498743A (en) | Control valve of high-pressure common rail electric fuel injector | |
| CN107989730A (en) | A kind of high voltage common rail pump and for its into oil outlet valve component | |
| CN101050745A (en) | Piezoelectric ceramic electric control diesel oil injector | |
| WO2021088324A1 (en) | Multi-cylinder combined high-pressure oil pump of marine low-speed machine | |
| CN207004702U (en) | Combined type electric-controlled co-rail high-pressure oil pump | |
| CN106121889A (en) | High Enhanced diesel engine constant-pressure oil injection pump | |
| CN105888905A (en) | Combined type high-pressure common-rail pump for single-cylinder diesel engine and assembling method of pump | |
| CN201255062Y (en) | High-pressure co-rail injection pump for diesel engine | |
| CN202187850U (en) | In-line type oil supply pump of high pressure common rail system | |
| CN201363217Y (en) | Mechanical equal-pressure oil injection pump used for diesel engine | |
| CN205638755U (en) | Isobaric injection pump of mechanical type | |
| CN103527377B (en) | A kind of Multifunctional valve for common rail system | |
| CN105756829B (en) | Combined mechanical oil spout is pressurized piezoelectricity jet hybrid fuel jet device | |
| CN208330603U (en) | A kind of high voltage common rail pump and the disengaging oil valve assembly for it | |
| CN208220946U (en) | A kind of DE distribution shell | |
| CN209483520U (en) | A kind of monomer high pressure fuel pump for common rail fuel injection system | |
| CN104033304B (en) | Common-rail injector monoblock type control ball valve | |
| CN102678324B (en) | Conventional high-pressure gas compression two-step work-doing diesel engine with combustion chamber outside air cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110803 Termination date: 20111229 |