CN202991635U - Reflux type cooling water pump - Google Patents
Reflux type cooling water pump Download PDFInfo
- Publication number
- CN202991635U CN202991635U CN 201220657927 CN201220657927U CN202991635U CN 202991635 U CN202991635 U CN 202991635U CN 201220657927 CN201220657927 CN 201220657927 CN 201220657927 U CN201220657927 U CN 201220657927U CN 202991635 U CN202991635 U CN 202991635U
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- CN
- China
- Prior art keywords
- pump
- water
- pump cover
- pump housing
- utility
- 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 a reflux type cooling water pump which is composed of a transmission gear (1), a shaft (2), a check ring (3), a clamping ring (4), an upper bearing (5), a lower bearing (6), oil seal (8), water seal (8), a blocking head (9), a pump body (10), a sealing ring (11), an impeller (12), a reflux mouth sealing ring (13), a pump cover (14) and a double-screw bolt (15). Water return holes are formed in the pump body and the pump cover, during the working process, pump body high-pressure area water enters a pump cover low-pressure area from the water return holes, bubbles which probably exist in a pump cover water inlet cavity are crushed, the bubbles are removed, and a failure rate of the water seal of the water pump is lowered.
Description
Technical field:
The utility model relates to a kind of return flow type cooling waterpump.
Background technique:
In the auto pump using process, if seal badly, have bubble and enter in pump chamber, break can cause that water seal lost efficacy in case enter bubble in pump chamber.
Summary of the invention:
Goal of the invention of the present utility model is to provide a kind of return flow type cooling waterpump.
The utility model is to adopt following technological scheme to realize its goal of the invention: a kind of return flow type cooling waterpump, it by driving gear 1, axle 2, back-up ring 3, snap ring 4, upper bearing (metal) 5, lower bearing 6, oil sealing 7, water seal 8, stop up 9, the pump housing 10, seal ring 11, impeller 12, refluxing opening seal ring 13, pump cover 14, double-screw bolt 15 form; Driving gear 1 is arranged on the upper end of axle 2; Axle 2 is arranged on the center of the pump housing 10; Back-up ring 3 is arranged between driving gear 1 and upper bearing (metal) 5; Snap ring 4 is arranged on upper bearing (metal) 5; Upper bearing (metal) 5, lower bearing 6, oil sealing 7, water seal 8 are arranged on axle 2 from top to bottom successively; Stopping up 9 is arranged on the pump housing 10; Seal ring 11 is arranged between the pump housing 10 and pump cover 14; Impeller 12 is arranged on the bottom of seal ring 11; The pump housing 10 is by double-screw bolt 15 and pump cover 14 connections; Refluxing opening seal ring 13, double-screw bolt 15 are arranged on pump cover 14.
Realize preferably its goal of the invention owing to having adopted above technology the utility model, all be provided with backwater hole on the pump housing and pump cover, in the process of work, pump housing zone of high pressure water enters the pump cover low pressure area from backwater hole, the bubble that may exist in the pump cover water-inlet cavity is crushed, eliminate bubble, reduce the water pump seal failure rate.
Description of drawings:
Accompanying drawing 1 is overall structure schematic diagram of the present utility model.
Accompanying drawing 2 is structural representations of the utility model mark 2.
Accompanying drawing 3 is structural representations of the utility model mark 3.
Accompanying drawing 4 is structural representations of the utility model mark 4.
Accompanying drawing 5 is structural representations of the utility model mark 7.
Accompanying drawing 6 is structural representations of the utility model mark 10.
Accompanying drawing 7 is bottom surface structure schematic diagram of the utility model mark 10.
Accompanying drawing 8 is structural representations of the utility model mark 12.
Accompanying drawing 9 is bottom surface structure schematic diagram of the utility model mark 12.
Accompanying drawing 10 is structural representations of the utility model mark 14.
Description of reference numerals is seen specification last page form.
Embodiment:
Below in conjunction with accompanying drawing, summary of the invention is described further:
Embodiment 1:
By accompanying drawing as can be known, a kind of return flow type cooling waterpump, it by driving gear 1, axle 2, back-up ring 3, snap ring 4, upper bearing (metal) 5, lower bearing 6, oil sealing 7, water seal 8, stop up 9, the pump housing 10, seal ring 11, impeller 12, refluxing opening seal ring 13, pump cover 14, double-screw bolt 15 form; Driving gear 1 is arranged on the upper end of axle 2; Axle 2 is arranged on the center of the pump housing 10; Back-up ring 3 is arranged between driving gear 1 and upper bearing (metal) 5; Snap ring 4 is arranged on upper bearing (metal) 5; Upper bearing (metal) 5, lower bearing 6, oil sealing 7, water seal 8 are arranged on axle 2 from top to bottom successively; Stopping up 9 is arranged on the pump housing 10; Seal ring 11 is arranged between the pump housing 10 and pump cover 14; Impeller 12 is arranged on the bottom of seal ring 11; The pump housing 10 is by double-screw bolt 15 and pump cover 14 connections; Refluxing opening seal ring 13, double-screw bolt 15 are arranged on pump cover 14.
Driving gear 1 described in the utility model refers to: common gear; Be arranged on the upper end of axle 2; Its design attitude is as shown in mark 1 in accompanying drawing 1.
Axle 2 described in the utility model refers to: common axle; Be arranged on the center of the pump housing 10; Its structure as shown in Figure 2, its design attitude is as shown in mark 2 in accompanying drawing 1.
Back-up ring 3 described in the utility model refers to: a kind of cast parts that are fastened on axle; Be arranged between driving gear 1 and upper bearing (metal) 5; Play the location; Its structure as shown in Figure 3, its design attitude is as shown in mark 3 in accompanying drawing 1.
Upper bearing (metal) 5 described in the utility model refers to: common bearing; Be arranged on axle 2 below of driving gear 1; Its design attitude is as shown in mark 5 in accompanying drawing 1.
Lower bearing 6 described in the utility model refers to: common bearing; Be arranged on axle 2 below of upper bearing (metal) 5; Its design attitude is as shown in mark 6 in accompanying drawing 1.
Oil sealing 7 described in the utility model refers to: a kind of mechanical component that is used for oil sealing; Be arranged on axle 2 below of lower bearing 6; Play sealing, isolation; Its structure as shown in Figure 5, its design attitude is as shown in mark 7 in accompanying drawing 1.
Obstruction described in the utility model 9 refers to: a kind of stopper; Plug is in stopping up a mounting hole 10-4; Play temporary jam; Its design attitude is as shown in mark 9 in accompanying drawing 1.
The pump housing 10 described in the utility model refers to: a kind of automobile pump housing of common casting; Which is provided with axis hole 10-1, water pump mounting hole 10-2, water outlet 10-3, stop up a mounting hole 10-4, spilled water hole 10-5, pump housing mounting hole 10-6, oil inlet hole 10-7, pump housing return port 10-8; It is installed with pump cover 14 by double-screw bolt 15 and is connected; Its structure as shown in Figure 6, its bottom surface structure as shown in Figure 7, its design attitude is as shown in mark 10 in accompanying drawing 1.
Axis hole 10-1 described in the utility model refers to: the hole that is located at the pump housing 10 centers; The mounting hole of axle 2 on the pump housing 10; Its design attitude is as shown in mark 10-1 in accompanying drawing 6,7.
Water pump mounting hole 10-2 described in the utility model refers to: be located at the hole on the pump housing 10; It is the connection hole of water pump; Its design attitude is as shown in mark 10-2 in accompanying drawing 6,7.
Water outlet 10-3 described in the utility model refers to: the mouth of water pump water outlet; Be located on the pump housing 10; Its design attitude is as shown in mark 10-3 in accompanying drawing 6,7.
An obstruction described in the utility model mounting hole 10-4 refers to: the hole that is located at the pump housing 10 1 sides; To stop up a mounting hole of 9 (later stage be used for sensor installation); Its design attitude is as shown in mark 10-4 in accompanying drawing 6.
Spilled water hole 10-5 described in the utility model refers to: be located at a hole on the pump housing 10; Its effect is when pump operation, because ensureing the complete seal of water pump, flows out therefore have the small part current, and this hole is the tap hole of current, also can judge according to the size of water flow the sealing of water seal simultaneously; Its design attitude is as shown in mark 10-5 in accompanying drawing 6.
Pump housing mounting hole 10-6 described in the utility model refers to: be located at the hole on the pump housing 10 outer rings, bottom; It is the screw-in hole of double-screw bolt 15; Its effect is that the screw-in by double-screw bolt 15 makes the pump housing 10 and pump cover 14 connections; Its design attitude is as shown in mark 10-6 in accompanying drawing 7.
Oil inlet hole 10-7 described in the utility model refers to: the hole that is located at the pump housing 10 tops; It is the import of oil; Its design attitude is as shown in mark 10-7 in accompanying drawing 7.
Pump housing return port 10-8 described in the utility model refers to: the hole that is located at the pump housing 10 1 sides; Install with pump cover return port 14-2 contraposition; Its effect coordinates with pump cover return port 14-2, and the pump housing 10 inner high voltage district water are entered in pump cover 14 low pressure areas, and the bubble that may exist in pump cover 14 water-inlet cavitys is crushed, and avoids because bubble enters the drawback that causes in the pump housing 10 that water seal was lost efficacy; Its design attitude is as shown in mark 10-8 in accompanying drawing 7.
Impeller mounting hole 12-1 described in the utility model refers to: the circular hole that is located at impeller 12 centers; The mounting hole of impeller 12 on axle 2; Its design attitude is as shown in mark 12-1 in accompanying drawing 8,9.
Equalizing orifice 12-2 described in the utility model refers to: the hole that is located at impeller 10 centres; Its effect is to keep impeller 12 rotary balances, reduces vibration; Its design attitude is as shown in mark 12-2 in accompanying drawing 8,9.
Blade 12-3 described in the utility model refers to: one of constituent element of impeller 12; Be arranged on the bottom of impeller 12; Its design attitude is as shown in mark 12-3 in accompanying drawing 8,9.
Refluxing opening seal ring 13 described in the utility model refers to: a kind of cushion rubber; Be located on pump cover 14; It is the connection seal ring of pump housing return port 10-8, pump cover return port 14-2; Its design attitude is as shown in mark 13 in accompanying drawing 1.
Pump mouth 14-1 described in the utility model refers to: the mouth that is located at pump cover 14 centers; It is the mouth that draws water; Its design attitude is as shown in mark 14-1 in Figure 10.
Pump cover return port 14-2 described in the utility model refers to: the hole that is located at pump cover 14 1 sides; Install with pump housing return port 10-8 contraposition; Its effect coordinates with pump housing return port 10-8, and the pump housing 10 inner high voltage district water are entered in pump cover 14 low pressure areas, and the bubble that may exist in pump cover 14 water-inlet cavitys is crushed, and avoids because bubble enters the drawback that causes in the pump housing 10 that water seal was lost efficacy; Its design attitude is as shown in mark 14-2 in Figure 10.
Water intake 14-3 described in the utility model refers to: the mouth of water feeding of water pump; Be located at a side of pump cover 14; Its design attitude is as shown in mark 14-3 in accompanying drawing 10.
Pump cover mounting hole 14-4 described in the utility model refers to: be located at the hole on pump cover 14 outer rings; It is the screw-in hole of double-screw bolt 15; Its effect is that the screw-in by double-screw bolt 15 makes pump cover 14 and the pump housing 10 connections; Its design attitude is as shown in accompanying drawing 10 mark 14-4.
Double-screw bolt 15 described in the utility model refers to: common double-screw bolt; Screw in pump housing mounting hole 10-6, pump cover mounting hole 14-4; It is the connection double-screw bolt of the pump housing 10 and pump cover 14; Its design attitude is as shown in mark 15 in accompanying drawing 1.
Reference numerals | The mark title | Reference numerals | The mark title |
1 | Driving gear 1 | 10-6 | Pump housing mounting hole 10-6 |
2 | Axle 2 | 10-7 | Oil inlet hole 10-7 |
3 | Back-up ring 3 | 10-8 | Pump housing return port 10-8 |
4 | |
11 | |
5 | Upper bearing (metal) 5 | 12 | |
6 | Lower bearing 6 | 12-1 | Impeller mounting hole 12-1 |
7 | Oil sealing 7 | 12-2 | Equalizing orifice 12-2 |
8 | |
12-3 | Blade 12-3 |
9 | Stop up 9 | 13 | Refluxing |
10 | The |
14 | |
10-1 | Axis hole 10-1 | 14-1 | Pump mouth 14-1 |
10-2 | Water pump mounting hole 10-2 | 14-2 | Pump cover return port 14-2 |
10-3 | Water outlet 10-3 | 14-3 | Water intake 14-3 |
10-4 | Stop up a mounting hole 10-4 | 14-4 | Pump cover mounting hole 14-4 |
10-5 | Spilled water hole 10-5 | 15 | Double- |
Claims (1)
1. return flow type cooling waterpump, it by driving gear (1), axle (2), back-up ring (3), snap ring (4), upper bearing (metal) (5), lower bearing (6), oil sealing (7), water seal (8), stop up head (9), a pump housing (10), seal ring (11), impeller (12), refluxing opening seal ring (13), pump cover (14), double-screw bolt (15) forms; It is characterized in that driving gear (1) is arranged on the upper end of axle (2); Axle (2) is arranged on the center of the pump housing (10); Back-up ring (3) is arranged between driving gear (1) and upper bearing (metal) (5); Snap ring (4) is arranged on upper bearing (metal) (5); Upper bearing (metal) (5), lower bearing (6), oil sealing (7), water seal (8) are arranged on axle (2) from top to bottom successively; Stopping up head (9) is arranged on the pump housing (10); Seal ring (11) is arranged between the pump housing (10) and pump cover (14); Impeller (12) is arranged on the bottom of seal ring (11); The pump housing (10) is by double-screw bolt (15) and pump cover (14) connection; Refluxing opening seal ring (13), double-screw bolt (15) are arranged on pump cover (14).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220657927 CN202991635U (en) | 2012-12-04 | 2012-12-04 | Reflux type cooling water pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 201220657927 CN202991635U (en) | 2012-12-04 | 2012-12-04 | Reflux type cooling water pump |
Publications (1)
Publication Number | Publication Date |
---|---|
CN202991635U true CN202991635U (en) | 2013-06-12 |
Family
ID=48562819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 201220657927 Expired - Fee Related CN202991635U (en) | 2012-12-04 | 2012-12-04 | Reflux type cooling water pump |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN202991635U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106368789A (en) * | 2016-11-24 | 2017-02-01 | 奇瑞汽车股份有限公司 | Diesel engine water pump |
CN107191267A (en) * | 2017-07-13 | 2017-09-22 | 广西玉柴机器股份有限公司 | Gear chamber |
-
2012
- 2012-12-04 CN CN 201220657927 patent/CN202991635U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106368789A (en) * | 2016-11-24 | 2017-02-01 | 奇瑞汽车股份有限公司 | Diesel engine water pump |
CN107191267A (en) * | 2017-07-13 | 2017-09-22 | 广西玉柴机器股份有限公司 | Gear chamber |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20211204 |