CN101354048A - Water-cooling motorcycle engine water pump - Google Patents
Water-cooling motorcycle engine water pump Download PDFInfo
- Publication number
- CN101354048A CN101354048A CNA2008100702403A CN200810070240A CN101354048A CN 101354048 A CN101354048 A CN 101354048A CN A2008100702403 A CNA2008100702403 A CN A2008100702403A CN 200810070240 A CN200810070240 A CN 200810070240A CN 101354048 A CN101354048 A CN 101354048A
- Authority
- CN
- China
- Prior art keywords
- water pump
- water
- gear
- spindle
- motorcycle engine
- 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.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 131
- 238000001816 cooling Methods 0.000 title claims abstract description 14
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 238000000465 moulding Methods 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 abstract description 8
- 238000001746 injection moulding Methods 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 3
- 230000000368 destabilizing effect Effects 0.000 description 2
- 239000012467 final product Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 208000016261 weight loss Diseases 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a water-cooling motorcycle engine water pump, includes the water pump shaft and connects water pump impeller and the water pump gear at water pump shaft both ends respectively, and the water pump shaft rotationally directly supports on right crankcase lid, can dismantle with first round pin axle between water pump gear and the water pump shaft and be connected, and water pump impeller links into an integrated entity through second round pin axle fixed connection between the time of injection moulding and the water pump shaft. Compared with the traditional structure, the invention has the advantages that the structure is simplified, the cost is reduced, and the unstable quality factor can be reduced because parts such as the water pump body, the bearing, the O-shaped sealing ring and the like are eliminated, thereby improving the use reliability of the water pump. The water pump gear is connected with the water pump shaft through the pin shaft, so that the water pump gear is more convenient to assemble and disassemble, and the manufacturing and maintenance cost is reduced.
Description
Technical field
The present invention relates to a kind of water pump, in particular for the water pump on the cooling motorcycle engine water.
Background technique
At present, the common structure of cooling motorcycle engine water charging pump and assembly relation be as shown in Figure 1: water pump spindle 1 by bearings on water pump body 11, water pump body 11 is installed on the right crankcase cover 8, one end of water pump spindle 1 is installed water pump vane 2, the other end is installed water pump gear 3, on the water pump spindle 1 oil sealing is housed, is with the O RunddichtringO on the water pump body.There is following defective in the water pump of this structure:
1, component part is more, and complex structure owing to adopt bearings, is required great effort during assembling very much, in case think after assembling that dismounting is also pretty troublesome, the maintenance cost height;
When 2, assembling water pump body, earlier the O RunddichtringO is enclosed within and carries out push operation on the water pump body again, the phenomenon of cutting edge, breaking appears in O RunddichtringO easily, particularly in the water pump operation process, bearing produces radial force and acts on the water pump body, again the O RunddichtringO is produced active force, and the O RunddichtringO very easily lost efficacy, make cooling water enter the motor inner chamber, thereby great Accident due to quality takes place.
Summary of the invention
The purpose of this invention is to provide a kind of simple in structure, assembling and maintenance easily, cost is low, uses more reliable water-cooling motorcycle engine water pump.
For achieving the above object, water-cooling motorcycle engine water pump provided by the invention has water pump spindle, water pump vane and water pump gear, and water pump vane and water pump gear are connected to the two ends of water pump spindle, and water pump spindle directly is supported on right crankcase rotationally and covers.
The present invention compares with conventional construction, owing to cancelled parts such as water pump body, bearing and O RunddichtringO, not only simplifies the structure, and has reduced cost, can also reduce the quality destabilizing factor, thereby improves the reliability that water pump uses.
As a kind of preferred embodiment, removably connect with first bearing pin between above-mentioned water pump gear and the water pump spindle, make mounting or dismounting more convenient like this, help to reduce and make and maintenance cost.
Further, water pump gear is limited between right crankcase cover and the fixed bearing in the axial direction, and the contacted end face of water pump gear and right crankcase cover is provided with the groove that matches with first bearing pin, and first bearing pin that vertically passes water pump spindle is arranged in this groove.During assembling, the water pump spindle that will have water pump vane earlier passes the mounting hole that right crankcase covers, then first bearing pin is vertically inserted in the pin-and-hole on the water pump spindle, on water pump spindle, be inserted in water pump gear, and move axially water pump gear and make first bearing pin be arranged in groove, just install and fix bearing at last water pump gear is limited between right crankcase cover and the fixed bearing in the axial direction; During dismounting, the reverse operating of pressing above-mentioned operation gets final product.During work, pass through the first bearing pin transferring power between water pump gear and the water pump spindle.Disassembling section when as seen, this structure makes assembling and maintenance becomes very simple.
Fixedly connected by second bearing pin and to be integral during the water pump vane molding and forming with between the water pump spindle, can improve the reliability that is connected between water pump vane and the water pump spindle like this, the water pump vane of molding and forming can weight reduction, reduces energy loss, can not get rusty simultaneously.
The beneficial effect that the present invention obtains is: simple in structure, mounting or dismounting greatly reduce and make and maintenance cost easily, use more reliable.
Description of drawings
Fig. 1 is the conventional construction and the assembling schematic representation of cooling motorcycle engine water charging pump;
Fig. 2 is a structural representation of the present invention;
Among the figure: 1. water pump spindle; 2. water pump vane; 3. water pump gear; 4. first bearing pin; 5. second bearing pin; 6. water seal; 7. oil sealing; 8. right crankcase cover; 9. oil leab; 10. fixed bearing; 11. water pump body; 31. groove.
Embodiment
The invention will be further described below in conjunction with drawings and Examples:
As shown in Figure 2, water-cooling motorcycle engine water pump of the present invention is made up of water pump spindle 1, water pump vane 2, water pump gear 3, first bearing pin 4, second bearing pin 5, water seal 6 and oil sealing 7.Water pump vane 2 and water pump gear 3 are connected to the two ends of water pump spindle 1, and water pump spindle 1 directly is supported on the right crankcase cover 8 rotationally.That is to say, having cancelled the bearing support structure of water pump spindle 1, is sliding friction when water pump spindle 1 rotates in the mounting hole of right crankcase cover 8 during work, for reducing friction, the oil leab 9 that is communicated with mounting hole need be set on right crankcase cover 8, and what the present invention adopted herein is two oil channel structures.
Compare with conventional construction,, not only simplify the structure, reduced cost, can also reduce the quality destabilizing factor, thereby improve the reliability that water pump uses owing to cancelled parts such as water pump body, bearing and O RunddichtringO.
Removably connect with first bearing pin 4 between water pump gear 3 and the water pump spindle 1, can make mounting or dismounting more convenient like this, help to reduce and make and maintenance cost, concrete structure is referring to Fig. 2, water pump gear 3 is limited between right crankcase cover 8 and the fixed bearing 10 in the axial direction, water pump gear 3 is provided with the groove 31 that matches with first bearing pin 4 with right crankcase cover 8 contacted end faces, and first bearing pin 4 that vertically passes water pump spindle 1 is arranged in this groove 31.During assembling, the water pump spindle 1 that will have water pump vane 2 earlier passes the mounting hole on the right crankcase cover 8, then in first bearing pin, the 4 vertical pin-and-holes that insert on the water pump spindle 1, on water pump spindle 1, be inserted in water pump gear 3, and move axially water pump gear 3 and make first bearing pin 4 be arranged in groove 31, just install and fix bearing 10 at last water pump gear 3 is limited between right crankcase cover 8 and the fixed bearing 10 in the axial direction; During dismounting, the reverse operating of pressing above-mentioned operation gets final product.During work, pass through first bearing pin, 4 transferring power between water pump gear 3 and the water pump spindle 1.Disassembling section when this structure makes assembling and maintenance becomes very simple.
Fixedly connected by second bearing pin 5 and to be integral during water pump vane 2 molding and forming with between the water pump spindle 1, can improve the reliability that is connected between water pump vane 2 and the water pump spindle 1 like this, the water pump vane 2 energy weight reductions of molding and forming reduce energy loss, can not get rusty simultaneously.
Be set with water seal 6 and oil sealing 7 on the water pump spindle, water seal 6 and oil sealing 7 axially are abutted together and are spacing in the groove of right crankcase cover 8 exterior edge faces, water seal 6 prevents that the water in the water pump chamber from entering in the motor, and 7 on oil sealing prevents that in-engine machine oil from entering into the water pump chamber.
Claims (5)
1. a water-cooling motorcycle engine water pump comprises water pump spindle, water pump vane and water pump gear, and water pump vane and water pump gear are connected to the two ends of water pump spindle, it is characterized in that: water pump spindle directly is supported on right crankcase rotationally and covers.
2. a kind of water-cooling motorcycle engine water pump as claimed in claim 1 is characterized in that: removably connect with first bearing pin between water pump gear and the water pump spindle.
3. a kind of water-cooling motorcycle engine water pump as claimed in claim 2, it is characterized in that: described water pump gear is limited between right crankcase cover and the fixed bearing in the axial direction, the contacted end face of water pump gear and right crankcase cover is provided with the groove that matches with first bearing pin, and first bearing pin that vertically passes water pump spindle is arranged in this groove.
4. as claim 2 or 3 described a kind of water-cooling motorcycle engine water pumps, it is characterized in that: fixedly connected by second bearing pin and to be integral during described water pump vane molding and forming with between the water pump spindle.
5. a kind of water-cooling motorcycle engine water pump as claimed in claim 4 is characterized in that: be set with water seal and oil sealing on the described water pump spindle, water seal and oil sealing axially are abutted together and are spacing in the groove of right crankcase cover exterior edge face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100702403A CN101354048A (en) | 2008-09-05 | 2008-09-05 | Water-cooling motorcycle engine water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100702403A CN101354048A (en) | 2008-09-05 | 2008-09-05 | Water-cooling motorcycle engine water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101354048A true CN101354048A (en) | 2009-01-28 |
Family
ID=40307001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100702403A Pending CN101354048A (en) | 2008-09-05 | 2008-09-05 | Water-cooling motorcycle engine water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101354048A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499820A (en) * | 2016-12-27 | 2017-03-15 | 重庆小康工业集团股份有限公司 | Water pump packing mechanism |
| CN109555713A (en) * | 2019-01-09 | 2019-04-02 | 浙江维新汽车配件有限公司 | A kind of engine cooling water pump |
| CN113464483A (en) * | 2021-07-12 | 2021-10-01 | 隆鑫通用动力股份有限公司 | Self-lubricating water pump seat, cooling pump and engine |
-
2008
- 2008-09-05 CN CNA2008100702403A patent/CN101354048A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106499820A (en) * | 2016-12-27 | 2017-03-15 | 重庆小康工业集团股份有限公司 | Water pump packing mechanism |
| CN106499820B (en) * | 2016-12-27 | 2019-04-02 | 重庆小康工业集团股份有限公司 | Water pump sealing mechanism |
| CN109555713A (en) * | 2019-01-09 | 2019-04-02 | 浙江维新汽车配件有限公司 | A kind of engine cooling water pump |
| CN113464483A (en) * | 2021-07-12 | 2021-10-01 | 隆鑫通用动力股份有限公司 | Self-lubricating water pump seat, cooling pump and engine |
| CN113464483B (en) * | 2021-07-12 | 2023-07-21 | 隆鑫通用动力股份有限公司 | Self-lubricating water pump seat, cooling pump and engine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C12 | Rejection of a patent application after its publication | ||
| RJ01 | Rejection of invention patent application after publication |
Open date: 20090128 |