CN201176975Y - Chain saw lubrication oil supply pump - Google Patents
Chain saw lubrication oil supply pump Download PDFInfo
- Publication number
- CN201176975Y CN201176975Y CNU2008201073283U CN200820107328U CN201176975Y CN 201176975 Y CN201176975 Y CN 201176975Y CN U2008201073283 U CNU2008201073283 U CN U2008201073283U CN 200820107328 U CN200820107328 U CN 200820107328U CN 201176975 Y CN201176975 Y CN 201176975Y
- Authority
- CN
- China
- Prior art keywords
- oil
- pump body
- oil outlet
- outlet
- filler opening
- 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
- 238000005461 lubrication Methods 0.000 title description 2
- 238000007789 sealing Methods 0.000 claims abstract description 13
- 239000003921 oil Substances 0.000 claims description 154
- 239000000945 filler Substances 0.000 claims description 30
- 239000006071 cream Substances 0.000 claims description 22
- 229910000831 Steel Inorganic materials 0.000 claims description 21
- 239000010959 steel Substances 0.000 claims description 21
- 239000010687 lubricating oil Substances 0.000 claims description 13
- 239000000314 lubricant Substances 0.000 abstract description 12
- 230000000694 effects Effects 0.000 description 8
- 239000000446 fuel Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010913 used oil Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B17/00—Chain saws; Equipment therefor
- B27B17/12—Lubricating devices specially designed for chain saws
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B9/00—Piston machines or pumps characterised by the driving or driven means to or from their working members
- F04B9/14—Pumps characterised by muscle-power operation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Lubricants (AREA)
- Sawing (AREA)
- Reciprocating Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
A lubricant feed pump for a chain saw comprises an oil pump body and an oil storage cavity arranged inside the oil pump body. The oil pump body is respectively provided with an oil inlet, an oil outlet and a control orifice communicated with the oil storage cavity, wherein an oil feeding nozzle communicated with the oil inlet is arranged near the oil inlet, an oil outgoing nozzle communicated with the oil outlet is arranged near the oil outlet, and a needle capable of sliding up and down is arranged in the control orifice. When the needle valve is located at a lower position, the end of the needle is coordinated with the oil storage cavity. Sealing pieces are both arranged between the oil inlet and the oil feeding nozzle, and between the oil outlet and the oil outgoing nozzle. The oil pump body is provided with a first concaved part at the oil inlet, the first concaved part forms an oil feeding cavity together with one sealing piece, and a second concaved part arranged on the inner end face of the oil outgoing nozzle forms an oil outgoing cavity together with the other sealing piece. The lubricant feed pump has not only stable working performance but also a simple and reasonable structure.
Description
Technical field:
The utility model relates to a kind of oil feed pump, especially a kind of saw chain lubricating oil feed pump of chain saw.
Background technique:
We have two kinds at the fell trees chain saw of usefulness, and a kind of is electric chain saw, and another kind is the petrol engine chain saw.Chain saw is in when work, and its saw chain need be used oil lubrication, with reduce wear and prevent overheated.
At present, most of chain saws all adopt oil feed pump that saw chain is carried out fuel feeding, this delivery valve comprises oil pump body and is located at the interior shoe cream room of oil pump body, also be respectively equipped with the filler opening that communicates with shoe cream room on this oil pump body, oil outlet and control mouth, wherein, by the filler opening place oil intake nozzle that communicates with filler opening is installed, by the oil outlet place oil outlet that communicates with oil outlet is installed, a control mouthful upper end is connected with a steel bushing, one spindle passes steel bushing and control mouth and can slide up and down, also be provided with Returnning spring between spindle and the steel bushing upper-end surface, when spindle is in when the next, its end cooperates with shoe cream room, between oil intake nozzle and filler opening, the one-way cock of being made up of steel ball and spring all is installed between oil outlet and the oil outlet, wherein, oil nozzle is replaced and be sealed into to oil intake nozzle place steel ball under the tension force effect of spring, and oil outlet is replaced and sealed to oil outlet place steel ball under the tension force effect of spring.
Above-mentioned oil feed pump is when work, can be divided into two steps of oil suction and oil spout, during oil suction, spindle moves and breaks away from the cooperation of shoe cream room under the tension force of Returnning spring, at this moment, the shoe cream room internal pressure reduces, and oil intake nozzle place steel ball is at ambient pressure lower compression spring and open oil intake nozzle, and lubricant oil enters through filler opening from oil intake nozzle and enters shoe cream room; During oil spout, press down spindle, lubricant oil increases because of pushed pressure by spindle in the shoe cream room, oil nozzle is replaced and be sealed into to oil intake nozzle place steel ball again under spring and lubricating oil pressure effect, simultaneously, oil outlet place steel ball is at lubricating oil pressure lower compression spring and open oil outlet, and lubricant oil flow to saw chain through oil outlet and oil outlet, at this moment, finish once lubricating to saw chain.This oil feed pump is continuable to provide lubricant oil to saw chain, but also exists deficiency:
First, this oil feed pump adopts steel ball as seal element, because steel ball is a rigid member, it causes sealing not thorough because of reasons such as degree of lip-rounding shape to be sealed are irregular when cooperating with mouth to be sealed easily, make shoe cream room gas leakage, and then make this delivery valve normally oil suction and oil spout, thereby performance was very unstable when this oil feed pump used.
The second, in this oil feed pump, need to install the one-way cock of forming by steel ball and spring between oil intake nozzle and the filler opening, between oil outlet and the oil outlet, its complex structure is installed and maintenance is all compared difficult.
The model utility content:
The purpose of this utility model is to overcome above-mentioned the deficiencies in the prior art, provides a kind of not only usability stable, and the saw chain lubricating oil feed pump of chain saw simple and reasonable for structure.
The saw chain lubricating oil feed pump of a kind of chain saw that provides according to the utility model, comprise oil pump body and be located at the interior shoe cream room of oil pump body, also be respectively equipped with the filler opening that communicates with shoe cream room on this oil pump body, oil outlet and control mouth, wherein, by the filler opening place oil intake nozzle that communicates with filler opening is installed, by the oil outlet place oil outlet that communicates with oil outlet is installed, in the control mouthful the spindle that can slide up and down is installed, when spindle is in when the next, its end cooperates with shoe cream room, between described filler opening and the oil intake nozzle, be respectively equipped with diaphragm seal between oil outlet and the oil outlet, wherein, it is first recessed that oil pump body is provided with at its filler opening place, and this first recessedly forms an oil suction chamber with diaphragm seal, it is second recessed that the oil outlet interior edge face is provided with, and this second recessedly forms one with diaphragm seal and go out oil pocket.
The saw chain lubricating oil feed pump of a kind of chain saw that provides according to the utility model also has following attached technical characteristics:
The level height of described filler opening is greater than the level height of oil outlet.
Between described oil intake nozzle and the oil pump body, be equipped with big sealing ring between oil outlet and the oil pump body, be provided with small sealing ring between spindle and the oil pump body, a control mouthful upper end also is connected with a steel bushing, and this steel bushing is coated on the spindle, also is provided with a Returnning spring between spindle outer end and the steel bushing upper-end surface.
Described diaphragm seal is soft diaphragm seal.
A kind of chain saw saw chain lubricating oil feed pump according to the utility model provides has following advantage with respect to prior art:
The first, in this structure, adopt soft diaphragm seal as seal element, because diaphragm seal is softer, thereby can well be adjacent to be sealed mouthful and it is sealed, effectively stopped the failure of oil feed that thoroughly do not cause because of sealing, guaranteed the stability of oil feed pump fuel feeding.
The second, in this structure, only need between oil intake nozzle and the filler opening, between oil outlet and the oil outlet a soft diaphragm seal is installed, thereby it is simple in structure, install and maintenance all more convenient.
Description of drawings:
Introduce the utility model in detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is a structural representation of the present utility model.
Embodiment:
With reference to Fig. 1, saw chain lubricating oil feed pump according to a kind of chain saw described in the utility model, comprise oil pump body 1 and be located at shoe cream room 11 in the oil pump body 1, also be respectively equipped with the filler opening 12 that communicates with shoe cream room 11 on this oil pump body 1, oil outlet 13 and control mouth 14, wherein, by filler opening 12 places the oil intake nozzle 2 that communicates with filler opening 12 is installed, by oil outlet 13 places the oil outlet 3 that communicates with oil outlet 13 is installed, control mouthful 14 upper ends are connected with a steel bushing 141, one spindle 4 passes steel bushing 141 and control mouth 14 and can slide up and down, also be provided with a Returnning spring 142 between spindle 4 outer end and steel bushing 141 upper-end surfaces, when spindle 4 is in when the next, it is terminal to cooperate with shoe cream room 11.
Between filler opening 12 and the oil intake nozzle 2, be respectively equipped with soft diaphragm seal 5,6 between oil outlet 13 and the oil outlet 3, be used to be sealed into oil nozzle 2 and oil outlet 13, adopt soft diaphragm seal 5,6 as seal element, can well be adjacent to be sealed mouthful and it is sealed, effectively stopped to have guaranteed the stability of delivery valve fuel feeding because of the failure of oil feed that thoroughly do not cause of sealing.Oil pump body 1 has first recessed 16 at its filler opening 12 places, this first recessed 16 communicates with filler opening 12 and forms an oil suction chamber 81 with diaphragm seal 5, have second recessedly 17 on oil outlet 3 interior edge faces, this second recessed 17 communicates and forms one with diaphragm seal 6 with hydraulic fluid port on the oil outlet 3 and go out oil pocket 82.
In sum, the working procedure of this oil feed pump can be divided into two steps of oil suction and oil spout:
During oil suction, spindle 4 moves under the elastic force effect of Returnning spring 142, its end breaks away from and the cooperating of shoe cream room 11 gradually, simultaneously, shoe cream room 11 internal pressures reduce, and the diaphragm seal 6 at oil outlet 13 places is adjacent to and seals oil outlet 13 under the effect of ambient pressure, prevent that lubricant oil from flowing backwards, filler opening 12 place's diaphragm seals 5 are partial to oil suction chamber 81 and are opened oil intake nozzle 2 under the effect of ambient pressure and oil pressure, lubricant oil enters shoe cream room 11 through oil intake nozzle 2, oil suction chamber 81, filler opening 12;
During oil spout, spindle 4 moves down under the effect of external force and compression reseting spring 142, shoe cream room 11 lubricant oil increase in the extruding downforce of spindle 4, filler opening 12 place's diaphragm seals 5 are adjacent to and are sealed into oil nozzle 2 under oil pressure, prevent that lubricant oil from flowing backwards, the diaphragm seal 6 at oil outlet 13 places is partial to out oil pocket 82 and is opened oil outlet 13 under the effect of oil pressure, lubricant oil are transported on the saw chain through oil outlet 13, after going out oil pocket 82 and oil outlet 3 in the shoe cream room 11, at this moment, this oil feed pump is finished a fuel feeding job.
The level height of filler opening 12 is greater than the level height of oil outlet 13, can make when oil suction, the diaphragm seal 5 at oil outlet 13 places is sealing oil outlet 13 earlier, after open oil intake nozzle 2 again, during oil spout, the diaphragm seal 5 at filler opening 12 places is sealed into oil nozzle 2 earlier, and oil outlet 13 is opened in the back, to prevent that gas leakage and lubricant oil are flow backwards when oil suction and the oil spout.
Between oil intake nozzle 2 and the oil pump body 1, be equipped with big sealing ring 91 between oil outlet 3 and the oil pump body 1, be provided with small sealing ring 92 between spindle 4 and the oil pump body 1, in case leak-stopping oil.
The foregoing description is only for the usefulness that the utility model is described; and be not to restriction of the present utility model; the those of ordinary skill in relevant technologies field; under the situation that does not break away from spirit and scope of the present utility model; can also make various variations and modification; therefore all technological schemes that are equal to also belong to category of the present utility model, and scope of patent protection of the present utility model should be limited by each claim.
Claims (4)
1, a kind of saw chain lubricating oil feed pump of chain saw, comprise oil pump body (1) and be located at the interior shoe cream room (11) of oil pump body (1), also be respectively equipped with the filler opening (12) that communicates with shoe cream room (11) on this oil pump body (1), oil outlet (13) and control mouthful (14), wherein, locate to be equipped with the oil intake nozzle (2) that communicates with filler opening (12) by filler opening (12), locate to be equipped with the oil outlet (3) that communicates with oil outlet (13) by oil outlet (13), one spindle (4) that can slide up and down is installed in the control mouthful (14), when spindle (4) is in when the next, its end cooperates with shoe cream room (11), it is characterized in that: between described filler opening (12) and the oil intake nozzle (2), be respectively equipped with diaphragm seal (5 between oil outlet (13) and the oil outlet (3), 6), wherein, oil pump body (1) locates to be provided with first recessed (16) at its filler opening (12), these first recessed (16) are advanced with diaphragm seal (5) to form an oil suction chamber (81), oil outlet (3) interior edge face is provided with second recessed (17), and these second recessed (17) form one with diaphragm seal (6) and go out oil pocket (82).
2, the saw chain lubricating oil feed pump of a kind of chain saw as claimed in claim 1 is characterized in that: the level height of described filler opening (12) is greater than the level height of oil outlet (13).
3, the saw chain lubricating oil feed pump of a kind of chain saw as claimed in claim 2, it is characterized in that: between described oil intake nozzle (2) and the oil pump body (1), be equipped with big sealing ring (91) between oil outlet (3) and the oil pump body (1), be provided with small sealing ring (92) between spindle (4) and the oil pump body (1), control mouthful (a 14) upper end also is connected with a steel bushing (141), this steel bushing (141) is coated on the spindle (4), also is provided with a Returnning spring (142) between spindle (4) outer end and steel bushing (141) upper-end surface.
4, the saw chain lubricating oil feed pump of a kind of chain saw as claimed in claim 1 is characterized in that: described diaphragm seal (5,6) is soft diaphragm seal.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201073283U CN201176975Y (en) | 2008-04-09 | 2008-04-09 | Chain saw lubrication oil supply pump |
| DE200820011104 DE202008011104U1 (en) | 2008-04-09 | 2008-08-20 | Oil feed pump for lubricating the chains of chainsaws |
| ITTO20080113 ITTO20080113U1 (en) | 2008-04-09 | 2008-09-02 | OIL FEED PUMP, FOR EXAMPLE FOR CHAIN SAWS LUBRICATION |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201073283U CN201176975Y (en) | 2008-04-09 | 2008-04-09 | Chain saw lubrication oil supply pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201176975Y true CN201176975Y (en) | 2009-01-07 |
Family
ID=40031188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201073283U Expired - Fee Related CN201176975Y (en) | 2008-04-09 | 2008-04-09 | Chain saw lubrication oil supply pump |
Country Status (3)
| Country | Link |
|---|---|
| CN (1) | CN201176975Y (en) |
| DE (1) | DE202008011104U1 (en) |
| IT (1) | ITTO20080113U1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615524A (en) * | 2013-10-30 | 2014-03-05 | 盛瑞传动股份有限公司 | Speed changing box oil pump with sealing pad |
| CN105090005A (en) * | 2014-04-29 | 2015-11-25 | 南京德朔实业有限公司 | Fluid pump and oil pumping device composed of fluid pump |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953679A (en) * | 2018-10-16 | 2018-12-07 | 宁波丰州机械有限公司 | Rotary oil way distributor |
-
2008
- 2008-04-09 CN CNU2008201073283U patent/CN201176975Y/en not_active Expired - Fee Related
- 2008-08-20 DE DE200820011104 patent/DE202008011104U1/en not_active Expired - Lifetime
- 2008-09-02 IT ITTO20080113 patent/ITTO20080113U1/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103615524A (en) * | 2013-10-30 | 2014-03-05 | 盛瑞传动股份有限公司 | Speed changing box oil pump with sealing pad |
| CN103615524B (en) * | 2013-10-30 | 2016-04-27 | 盛瑞传动股份有限公司 | A kind of gear box oil pump with sealing gasket |
| CN105090005A (en) * | 2014-04-29 | 2015-11-25 | 南京德朔实业有限公司 | Fluid pump and oil pumping device composed of fluid pump |
| CN105090005B (en) * | 2014-04-29 | 2017-04-19 | 南京德朔实业有限公司 | Fluid pump and oil pumping device composed of fluid pump |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202008011104U1 (en) | 2008-11-20 |
| ITTO20080113U1 (en) | 2009-10-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG PROVINCE SANFENG TOOL MANUFACTURING CO., Free format text: FORMER OWNER: HUANG LI Effective date: 20090703 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090703 Address after: No. 7, Zhejiang Province, Yongkang City Economic Development Zone South Park Avenue, zip code: 321300 Patentee after: Zhejiang Safun Tools Manufacture Co., Ltd. Address before: Hangzhou City, Zhejiang province Xihu District Wensanlu Road Wenjin court 16 Building 2 unit 201 room, zip code: 310000 Patentee before: Huang Li |
|
| ASS | Succession or assignment of patent right |
Owner name: ZHEJIANG SAFUN INDUSTRIAL CO., LTD. Free format text: FORMER OWNER: ZHEJIANG SAFUN TOOLS MANUFACTURING CO., LTD. Effective date: 20110209 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110209 Address after: 7 No. 321300 Zhejiang city in Yongkang Province Economic Development Zone South Park Avenue Patentee after: Zhejiang Safun Industrial Co., Ltd. Address before: 7 No. 321300 Zhejiang city in Yongkang Province Economic Development Zone South Park Avenue Patentee before: Zhejiang Safun Tools Manufacture Co., Ltd. |
|
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Safun Tools Manufacture Co., Ltd. Assignor: Zhejiang Safun Industrial Co., Ltd. Contract record no.: 2011330001016 Denomination of utility model: Chain saw chain lubricating oil feed pump Granted publication date: 20090107 License type: Exclusive License Record date: 20110724 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090107 Termination date: 20130409 |