CN216381956U - Water seal structure, water pump, engine and vehicle - Google Patents
Water seal structure, water pump, engine and vehicle Download PDFInfo
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- CN216381956U CN216381956U CN202122813159.3U CN202122813159U CN216381956U CN 216381956 U CN216381956 U CN 216381956U CN 202122813159 U CN202122813159 U CN 202122813159U CN 216381956 U CN216381956 U CN 216381956U
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Abstract
The utility model relates to the technical field of engines, and discloses a water seal structure, a water pump, an engine and a vehicle, wherein the water seal structure comprises a seal seat, a movable ring, a static ring, a first seal ring and a transmission seat; the static ring is provided with a first channel, the dynamic ring is provided with a second channel, and the first channel is communicated with the second channel; one end of the second channel, which is far away from the first channel, is communicated with a water pumping cavity of the water pump; the first sealing ring is used for plugging an opening at one end of the first channel, which is far away from the second channel. When the engine works, the water pump is started, and the transmission seat rotates at a high speed along with the water pump shaft, so that the movable ring is driven to rotate relative to the water pump shell; meanwhile, under the action of an impeller of the water pump, cooling liquid is pumped into the second channel from the water pumping cavity and then flows into the first channel, and at the moment, the first channel and the second channel jointly form a cooling liquid flow channel between the movable ring and the static ring, so that the lubricating capacity between the movable ring and the static ring can be improved, the occurrence of dry grinding of a water seal is reduced, and the fault rate of the water pump is reduced.
Description
Technical Field
The utility model relates to the technical field of engines, in particular to a water seal structure, a water pump, an engine and a vehicle.
Background
In the running process of the engine, the water pump provides forced cooling power for the engine so as to ensure the normal running of the engine, and the water seal is a key component in the water pump.
The water seal in the prior art usually prevents friction by establishing a cooling liquid film between a moving ring and a static ring, but the cooling liquid film is very thin and is only about 1 μm; along with the continuous operation of the engine, a cooling liquid film is easy to evaporate due to high temperature or is easy to lose due to the influence of water pump cavitation, so that water seal dry grinding is caused, and further, the water pump fault is caused.
Therefore, how to reduce the dry grinding of the water seal, thereby reducing the failure rate of the water pump becomes a problem to be solved urgently in the field.
SUMMERY OF THE UTILITY MODEL
The utility model provides a water seal structure, a water pump, an engine and a vehicle.
In order to achieve the purpose, the utility model provides the following technical scheme:
a water seal structure comprises a seal seat, a movable ring, a static ring, a first seal ring and a transmission seat; the sealing seat is fixedly connected with a base of the water pump and used for mounting the static ring; the transmission seat is fixedly connected with the water pump shaft and used for driving the movable ring to rotate relative to the water pump shell along with the water pump bearing; the static ring is provided with a first channel, the dynamic ring is provided with a second channel, and the first channel is communicated with the second channel; one end of the second channel, which is far away from the first channel, is communicated with a water pumping cavity of the water pump; the first sealing ring is located between the static ring and the sealing seat and used for plugging an opening at one end, far away from the second channel, of the first channel.
According to the water seal structure provided by the utility model, when the engine works, the water pump is started, and the transmission seat rotates at a high speed along with the water pump shaft, so that the movable ring is driven to rotate relative to the water pump shell; simultaneously, under the action of an impeller of the water pump, the cooling liquid is pumped into the second channel from the water pumping cavity and then flows into the first channel; that is, the first passage and the second passage together form a coolant flow path between the rotating ring and the stationary ring.
Due to the arrangement mode, the cooling liquid flow channel is arranged between the movable ring and the static ring, so that the lubricating capability between the movable ring and the static ring can be effectively improved, and the occurrence of dry grinding of a water seal is reduced; therefore, the temperature of the water seal can be effectively reduced, and the fault rate of the water pump is reduced; in addition, the flow velocity of the cooling liquid pumped into the cooling liquid flow channel by the pump water cavity is large, and the cooling liquid educts can be effectively reduced to be attached to the movable ring and the static ring, so that the sealing performance between the movable ring and the static ring is improved.
Optionally, the water seal structure further comprises a second sealing ring; the second sealing ring is positioned between the movable ring and the transmission seat, and a third channel is formed in the second sealing ring; the third channel is communicated with one end, far away from the first channel, of the second channel, and one end, far away from the second channel, of the third channel is communicated with a water pumping cavity of the water pump.
Optionally, the first channel is arcuate.
Optionally, the second and third channels are both linear.
A water pump comprises any one of the water seal structures.
An engine comprises the water pump.
A vehicle comprises the engine.
Drawings
Fig. 1 is a schematic structural diagram of a water seal structure according to an embodiment of the present invention.
Icon: 1-a sealing seat; 2-a moving ring; 3-a stationary ring; 4-a first sealing ring; 5-a transmission seat; 6-a first channel; 7-a second channel; 8-a second sealing ring; 9-third channel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Fig. 1 is a schematic structural diagram of a water seal structure according to an embodiment of the present invention, and as shown in fig. 1, the water seal structure according to the embodiment of the present invention includes a seal seat 1, a movable ring 2, a stationary ring 3, a first seal ring 4, and a transmission seat 5; the sealing seat 1 is fixedly connected with a base of the water pump and used for mounting the static ring 3; the transmission seat 5 is used for being fixedly connected with a water pump shaft and driving the movable ring 2 to rotate relative to a water pump shell along with a water pump bearing; the static ring 3 is provided with a first channel 6, the dynamic ring 2 is provided with a second channel 7, and the first channel 6 is communicated with the second channel 7; one end of the second channel 7, which is far away from the first channel 6, is communicated with a water pumping cavity of the water pump; the first sealing ring 4 is located between the stationary ring 3 and the sealing seat 1, and the first sealing ring 4 is used for sealing an opening at one end of the first channel 6, which is far away from the second channel 7.
According to the water seal structure provided by the embodiment, when the engine works, the water pump is started, and the transmission seat 5 rotates at a high speed along with the water pump shaft, so that the movable ring 2 is driven to rotate relative to the water pump shell; meanwhile, under the action of an impeller of the water pump, the cooling liquid is pumped into the second channel 7 from the water pumping cavity and then flows into the first channel 6; that is, the first passage 6 and the second passage 7 together form a coolant flow path between the moving ring 2 and the stationary ring 3.
The first sealing ring 4 can be made of rubber materials, and the rubber materials can have a good sealing effect on an opening at one end, far away from the second channel 7, of the first channel 6; in addition, due to the existence of the cooling liquid flow channel, the deformation of the rubber due to high temperature can be effectively reduced, and the sealing effect of the first sealing ring 4 is guaranteed.
Due to the arrangement mode, the cooling liquid flow channel is arranged between the movable ring 2 and the static ring 3, so that the lubricating capacity between the movable ring 2 and the static ring 3 can be effectively improved, and the occurrence of dry grinding of water seal is reduced; therefore, the temperature of the water seal can be effectively reduced, and the fault rate of the water pump is reduced; in addition, the flow velocity of the cooling liquid pumped into the cooling liquid flow channel by the pump water cavity is large, and the phenomenon that the cooling liquid educt is attached to the movable ring 2 and the static ring 3 can be effectively reduced, so that the sealing performance between the movable ring 2 and the static ring 3 is improved.
Referring to fig. 1, as an alternative embodiment, the water seal structure further includes a second sealing ring 8; the second sealing ring 8 is positioned between the movable ring 2 and the transmission seat 5, and a third channel 9 is formed in the second sealing ring 8; the third channel 9 is communicated with one end, far away from the first channel 6, of the second channel 7, and one end, far away from the second channel 7, of the third channel 9 is communicated with a water pumping cavity of the water pump.
In this embodiment, the first channel 6, the second channel 7, and the third channel 9 together form a coolant flow channel between the moving ring 2 and the stationary ring 3, that is, coolant is pumped into the third channel 9, and the first channel 6 from a pump water cavity of the water pump in sequence.
Similarly, in order to ensure the sealing effect on the cooling liquid, the second sealing ring 8 may also be made of a rubber material, and the reason is the same as that of the rubber material used for the first sealing ring 4, which is not described again.
As an alternative embodiment, the first channel 6 is curved, as shown in fig. 1. The second channel 7 and the third channel 9 are both linear.
The embodiment of the utility model also provides a water pump which comprises any water seal structure.
In the embodiment, the water seal structure has good lubricating capability, can reduce the dry grinding between the movable ring 2 and the static ring 3, and can reduce the adhesion phenomenon of the movable ring 2 and the static ring 3 by the cooling liquid educt, thereby improving the sealing property; therefore, the failure rate of the water pump can be reduced.
The embodiment of the utility model also provides an engine which comprises the water pump.
In this embodiment, the beneficial effect of the engine is the same as that of the water pump, and is not repeated.
The embodiment of the utility model also provides a vehicle comprising the engine.
In this embodiment, the beneficial effects of the vehicle are the same as those of the engine described above, and are not described again.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present application without departing from the spirit and scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application is intended to include such modifications and variations as well.
Claims (7)
1. A water seal structure is characterized by comprising a seal seat, a movable ring, a static ring, a first seal ring and a transmission seat; wherein the content of the first and second substances,
the sealing seat is used for being fixedly connected with a base of the water pump and used for mounting the static ring;
the transmission seat is fixedly connected with the water pump shaft and used for driving the movable ring to rotate relative to the water pump shell along with the water pump bearing;
the static ring is provided with a first channel, the dynamic ring is provided with a second channel, and the first channel is communicated with the second channel; one end of the second channel, which is far away from the first channel, is communicated with a pump water cavity of the water pump;
the first sealing ring is located between the static ring and the sealing seat, and the first sealing ring is used for plugging an opening at one end, far away from the second channel, of the first channel.
2. The water seal structure according to claim 1, wherein the water seal structure further comprises a second seal ring;
the second sealing ring is positioned between the movable ring and the transmission seat, and a third channel is formed in the second sealing ring;
the third channel is communicated with one end, far away from the first channel, of the second channel, and one end, far away from the second channel, of the third channel is communicated with a water pumping cavity of the water pump.
3. The water seal structure according to claim 1 or 2, wherein the first passage is arc-shaped.
4. The water seal structure according to claim 2, wherein the second channel and the third channel are both linear.
5. A water pump, characterized in that it comprises a water seal structure according to any one of claims 1 to 4.
6. An engine comprising the water pump of claim 5.
7. A vehicle characterized by comprising the engine of claim 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122813159.3U CN216381956U (en) | 2021-11-17 | 2021-11-17 | Water seal structure, water pump, engine and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122813159.3U CN216381956U (en) | 2021-11-17 | 2021-11-17 | Water seal structure, water pump, engine and vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN216381956U true CN216381956U (en) | 2022-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122813159.3U Active CN216381956U (en) | 2021-11-17 | 2021-11-17 | Water seal structure, water pump, engine and vehicle |
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| Country | Link |
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| CN (1) | CN216381956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184253A (en) * | 2021-11-17 | 2022-03-15 | 潍柴动力股份有限公司 | Oil dipstick |
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2021
- 2021-11-17 CN CN202122813159.3U patent/CN216381956U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114184253A (en) * | 2021-11-17 | 2022-03-15 | 潍柴动力股份有限公司 | Oil dipstick |
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