CN203161554U - Automobile water pump - Google Patents
Automobile water pump Download PDFInfo
- Publication number
- CN203161554U CN203161554U CN 201320194124 CN201320194124U CN203161554U CN 203161554 U CN203161554 U CN 203161554U CN 201320194124 CN201320194124 CN 201320194124 CN 201320194124 U CN201320194124 U CN 201320194124U CN 203161554 U CN203161554 U CN 203161554U
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- CN
- China
- Prior art keywords
- impeller
- rotating shaft
- pump
- pump cover
- pump housing
- 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
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Abstract
The utility model discloses an automobile water pump which comprises a pump body. A shaft hole is formed in the pump body, a rotating shaft is arranged in the shaft hole, a pump cover is arranged on one side of the pump body, the pump cover and the pump body form an impeller chamber, one side of the rotating shaft close to the impeller chamber extends towards the inside of the impeller chamber to form an impeller extending end of the rotating shaft, an impeller is arranged at the impeller extending end of the rotating shaft, a buffer chamber is arranged on one side of the pump cover close to the impeller, an auxiliary buffer chamber is arranged at a radially outward position of the impeller, a belt pulley is arranged at one end of the rotating shaft far away from the impeller, and a water seal device is arranged on the rotating shaft. As the buffer chamber is arranged on one side of the pump cover close to the impeller of the automobile water pump, a small part of fluid pressure generated on the impeller can be led into the buffer chamber, the impact of the fluid pressure on the pump cover can be decreased, the pump cover can be effectively protected, and safety of the automobile water pump is improved.
Description
Technical field
The utility model relates to a kind of auto pump.
Background technique
Auto pump is the vitals in the motor car engine, motor car engine generally adopts Centrifugal water pump, and the basic structure of this water pump is made of parts such as pump body, land or belt pulley, water pump spindle and bearing or shaft connecting bearing, water pump vane and water seal arrangements.Be provided with pump housing inner chamber in its middle pump body, rotating shaft is arranged on the pump housing inner chamber, rotating shaft is provided with water seal arrangement, water seal arrangement is divided into two pump housing inner chamber, and the chamber sidewall that wherein is provided with impeller is provided with the fluid passage, and existing impeller can run up when work, impeller can be delivered to the destination by the fluid passage with liquid medium, described impeller runs up and can make fluid produce huge pressure, pump housing madial wall is produced destroy, and Safety performance is lower.
Summary of the invention
The purpose of this utility model is: at the deficiencies in the prior art, the utility model provides the auto pump of a kind of Safety performance height, long service life.
To achieve these goals, the utility model has adopted following technological scheme:
A kind of auto pump, comprise the pump housing, be provided with axis hole in the described pump housing, be provided with rotating shaft in the described axis hole, one side of the described pump housing is provided with pump cover, described pump cover and the described pump housing form impeller cavity, described rotating shaft is extended in impeller cavity by a side of impeller cavity, form rotating shaft impeller extending end, described rotating shaft impeller extending end is provided with impeller, and described pump cover is provided with buffer cavity by a side of impeller, and the radial outward place of described impeller is provided with auxiliary buffer cavity, described rotating shaft is provided with belt pulley away from an end of impeller, and described rotating shaft is provided with water seal arrangement.
As preferably, described impeller comprises and is set in the outer impeller sleeve of rotating shaft, the outer one-body molded impeller chassis that is provided with of impeller sleeve, and described impeller chassis is provided with equally distributed blade, is provided with the water port by the impeller sleeve place on the described impeller chassis.After adopting above-mentioned preferred version; the structure of impeller is compacter, and the impeller chassis is provided with the water port, too much current can be deviated from a side of pump cover by water port drainage to impeller; reduce excessive current to the impact on impeller chassis, can effectively protect impeller.
As preferably, the madial wall of described impeller sleeve is provided with the impeller keyway, and described rotating shaft and impeller keyway corresponding position are provided with the protruding key of rotating shaft, and the protruding key of described rotating shaft engages setting with described impeller keyway.After adopting above-mentioned preferred version, impeller is connected setting by the impeller keyway with the protruding key of the rotating shaft in the rotating shaft, and the impeller fixation can be dismantled simultaneously, is convenient to people impeller is carried out the dismounting maintenance.
As preferably, the week of described pump cover is along being provided with the pump cover bolt hole, the described pump housing and pump cover bolt hole corresponding position are provided with pump housing bolt hole, described pump cover is fixedlyed connected with the pump housing by a pump cover bolt, be provided with the pump cover packing ring between described pump cover and the pump housing, described pump cover screw bolt passes pump housing bolt hole, pump cover packing ring and pump cover bolt hole, the formation pump cover is fixedlyed connected with the pump housing.After adopting above-mentioned preferred version, pump cover and the pump housing fixing more firm, the pump cover packing ring the friction that can reduce between pump cover and the pump housing is set, thereby effectively protect the pump housing and pump cover.
As preferably, be provided with shaft connecting bearing in the described axis hole, described shaft connecting bearing is set in outside the rotating shaft, and described shaft connecting bearing is roller bearing.After adopting above-mentioned preferred version, the rotation of rotating shaft is more flexible.
As preferably, described water seal arrangement is arranged in the rotating shaft between impeller and the shaft connecting bearing.After adopting above-mentioned preferred version, the structure of auto pump of the present utility model is more rationally compact.
As preferably, described rotating shaft is extended and is passed the pump housing towards the direction that deviates from impeller away from an end of impeller, forms the rotating shaft section of passing, and described belt pulley is set on the rotating shaft section of passing.After adopting above-mentioned preferred version, the installation of belt pulley is more reasonable.
As preferably, described belt pulley comprises pulley disc, and described pulley disc is provided with the belt wheel body that extends towards the impeller direction, and the outer side wall of described belt wheel body is provided with the belt gear teeth.After adopting above-mentioned preferred version, the structure setting of belt pulley has more reasonably utilized the space, can effectively reduce the space of auto pump, and the belt gear teeth on the belt pulley can increase between the belt gear teeth and the belt and rub.
The pump cover of auto pump of the present utility model is provided with buffer cavity by the impeller place; the sub-fraction hydrodynamic pressure that produces on the impeller can be introduced in the buffer cavity; thereby reduce hydrodynamic pressure to the impact of pump cover, can effectively protect pump cover, thereby improve the Safety performance of auto pump.
Description of drawings
Fig. 1 is the utility model embodiment's structural representation;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1.
Embodiment
As Fig. 1-shown in Figure 2, embodiment of the present utility model specifically is a kind of auto pump, comprises the pump housing 1, is provided with axis hole 11 in the pump housing 1, is provided with rotating shaft 2 in the axis hole 11.One side of the pump housing 1 is provided with pump cover 12.Pump cover 12 forms impeller cavity 111 with the pump housing 1, and rotating shaft 2 is extended in impeller cavity 111 by a side of impeller cavity 11, forms rotating shaft impeller extending end 21.Rotating shaft impeller extending end 21 is provided with impeller 3.Pump cover 12 is provided with buffer cavity 121 by a side of impeller 3, and the radial outward place of impeller 3 is provided with auxiliary buffer cavity 122.Rotating shaft 2 is provided with belt pulley 4 away from an end of impeller 3, and rotating shaft 4 is provided with water seal arrangement 5.
The week of pump cover 12, the pump housing 1 was provided with pump housing bolt hole 13 with pump cover bolt hole 123 corresponding positions along being provided with pump cover bolt hole 123, and pump cover 12 is fixedlyed connected with the pump housing 1 by a pump cover bolt 6.Be provided with pump cover packing ring 7 between pump cover 12 and the pump housing 1.Pump cover bolt 6 passes pump housing bolt hole 13, pump cover packing ring 7 and pump cover bolt hole 123 successively, and formation pump cover 12 is fixedlyed connected with the pump housing 1.Be provided with shaft connecting bearing 8 in the axis hole 11.Shaft connecting bearing 8 is set in outside the rotating shaft 2, and shaft connecting bearing 8 is roller bearing.Water seal arrangement 5 is arranged in the rotating shaft 2 between impeller 3 and the shaft connecting bearing 8.Rotating shaft 2 deviates from the direction extension of impeller 3 and passes the pump housing 1 away from the end court of impeller 3, forms the rotating shaft section of passing 23, and belt pulley 4 is set on the rotating shaft section of passing 23.
Belt pulley 4 comprises pulley disc 41, and pulley disc 41 is provided with the belt wheel body 42 that extends towards impeller 3 directions, and the outer side wall of belt wheel body 42 is provided with the belt gear teeth 421.
The working principle of the working principle of auto pump of the present utility model and the auto pump of prior art is basic identical, difference is: the pump cover of auto pump of the present utility model is provided with buffer cavity 121 by a side of impeller 3, can absorb impeller 3 and axially go up the segment fluid flow pressure absorption that produces, avoid excessive hydrodynamic pressure that pump cover 12 is damaged.
Claims (8)
1. auto pump, comprise the pump housing, be provided with axis hole in the described pump housing, be provided with rotating shaft in the described axis hole, one side of the described pump housing is provided with pump cover, it is characterized in that: described pump cover and the described pump housing form impeller cavity, described rotating shaft is extended in impeller cavity by a side of impeller cavity, form rotating shaft impeller extending end, described rotating shaft impeller extending end is provided with impeller, and described pump cover is provided with buffer cavity by a side of impeller, and the radial outward place of described impeller is provided with auxiliary buffer cavity, described rotating shaft is provided with belt pulley away from an end of impeller, and described rotating shaft is provided with water seal arrangement.
2. auto pump according to claim 1, it is characterized in that: described impeller comprises the impeller sleeve that is set in outside the rotating shaft, the outer one-body molded impeller chassis that is provided with of impeller sleeve, described impeller chassis is provided with equally distributed blade, is provided with the water port by the impeller sleeve place on the described impeller chassis.
3. auto pump according to claim 2, it is characterized in that: the madial wall of described impeller sleeve is provided with the impeller keyway, described rotating shaft and impeller keyway corresponding position are provided with the protruding key of rotating shaft, and the protruding key of described rotating shaft engages setting with described impeller keyway.
4. auto pump according to claim 1, it is characterized in that: the week of described pump cover is along being provided with the pump cover bolt hole, the described pump housing and pump cover bolt hole corresponding position are provided with pump housing bolt hole, described pump cover is fixedlyed connected with the pump housing by a pump cover bolt, be provided with the pump cover packing ring between described pump cover and the pump housing, described pump cover screw bolt passes pump housing bolt hole, pump cover packing ring and pump cover bolt hole, the formation pump cover is fixedlyed connected with the pump housing.
5. auto pump according to claim 1, it is characterized in that: be provided with shaft connecting bearing in the described axis hole, described shaft connecting bearing is set in outside the rotating shaft, and described shaft connecting bearing is roller bearing.
6. auto pump according to claim 1 is characterized in that: described water seal arrangement is arranged in the rotating shaft between impeller and the shaft connecting bearing.
7. auto pump according to claim 1 is characterized in that: described rotating shaft is extended and is passed the pump housing towards the direction that deviates from impeller away from an end of impeller, forms the rotating shaft section of passing, and described belt pulley is set on the rotating shaft section of passing.
8. auto pump according to claim 1, it is characterized in that: described belt pulley comprises pulley disc, and described pulley disc is provided with the belt wheel body that extends towards the impeller direction, and the outer side wall of described belt wheel body is provided with the belt gear teeth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194124 CN203161554U (en) | 2013-04-17 | 2013-04-17 | Automobile water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320194124 CN203161554U (en) | 2013-04-17 | 2013-04-17 | Automobile water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203161554U true CN203161554U (en) | 2013-08-28 |
Family
ID=49022743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320194124 Expired - Fee Related CN203161554U (en) | 2013-04-17 | 2013-04-17 | Automobile water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203161554U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088798A (en) * | 2014-06-30 | 2014-10-08 | 广东顺达船舶工程有限公司 | Noise reduction and shock absorption centrifugal pump |
| CN104373370A (en) * | 2014-09-11 | 2015-02-25 | 河南飞龙(芜湖)汽车零部件有限公司 | Compact water pump |
| CN114033707A (en) * | 2021-11-09 | 2022-02-11 | 杭州赛奇机械股份有限公司 | New energy automobile battery cooling water circulating pump |
-
2013
- 2013-04-17 CN CN 201320194124 patent/CN203161554U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088798A (en) * | 2014-06-30 | 2014-10-08 | 广东顺达船舶工程有限公司 | Noise reduction and shock absorption centrifugal pump |
| CN104088798B (en) * | 2014-06-30 | 2016-08-24 | 广东顺达船舶工程有限公司 | Noise reduction damping centrifugal pump |
| CN104373370A (en) * | 2014-09-11 | 2015-02-25 | 河南飞龙(芜湖)汽车零部件有限公司 | Compact water pump |
| CN114033707A (en) * | 2021-11-09 | 2022-02-11 | 杭州赛奇机械股份有限公司 | New energy automobile battery cooling water circulating pump |
| CN114033707B (en) * | 2021-11-09 | 2022-06-28 | 杭州赛奇机械股份有限公司 | New energy automobile battery cooling water circulating pump |
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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: 20130828 Termination date: 20140417 |