CN210949613U - Clutch for automobile water pump - Google Patents
Clutch for automobile water pump Download PDFInfo
- Publication number
- CN210949613U CN210949613U CN201921890287.4U CN201921890287U CN210949613U CN 210949613 U CN210949613 U CN 210949613U CN 201921890287 U CN201921890287 U CN 201921890287U CN 210949613 U CN210949613 U CN 210949613U
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- CN
- China
- Prior art keywords
- belt wheel
- sucker
- water pump
- inner ring
- clutch
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- 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.)
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Abstract
The utility model provides a clutch for automobile water pump, it includes band pulley (1), its characterized in that: the belt wheel inner ring (3) is sleeved in the belt wheel (1) through the bearing (2), the water pump shaft (4) which is correspondingly matched is sleeved in the belt wheel inner ring (3), one end of the belt wheel inner ring (3) is sequentially provided with a reed (5), a first sucker (6) and a second sucker (7), and the second sucker (7) is provided with an electromagnetic coil assembly (8). The utility model discloses simple structure, convenient to use, low in manufacturing cost are honest and clean, disconnection water pump power supply that can be quick.
Description
The technical field is as follows:
the utility model relates to a clutch for automobile, specifically speaking are exactly clutch for automobile water pump.
Background art:
the water pump is an important part of an engine cooling system and is used for pumping cooling liquid to enable the cooling liquid to flow rapidly in a cooling water channel of the engine so as to take away heat generated by the engine during working and keep the normal working temperature of the engine; the water pump is connected with the engine driving shaft through an electromagnetic clutch to control the work of the water pump, and when the common electromagnetic clutch is electrified, the electromagnetic clutch is closed, so that the water pump works. When the engine is started, the engine is in a low-temperature state and does not need cooling, however, the electromagnetic clutch which is usually adopted is closed after being electrified, and the water pump is in a working state, so that the load of the engine is increased, and the starting performance of the engine is reduced.
The utility model has the following contents:
the utility model provides a clutch for an automobile water pump, which aims to overcome the defects in the prior art.
The application provides the following technical scheme: the utility model provides a clutch for automobile water pump, it includes the band pulley, its characterized in that: the belt wheel is internally sleeved with a belt wheel inner ring through a bearing, a water pump shaft in corresponding fit is sleeved in the belt wheel inner ring, one end of the belt wheel inner ring is provided with a first sucker in corresponding fit with the belt wheel inner ring, a reed is arranged between the first sucker and the belt wheel inner ring, the first sucker is connected and matched with the belt wheel inner ring through the reed, a second sucker is arranged on one side of the first sucker in a clearance mode, and an electromagnetic coil assembly is arranged on the second sucker.
On the basis of the technical scheme, the following further scheme can be provided:
the first suction disc is provided with a friction surface correspondingly matched with one end of the belt wheel.
And one end of the belt wheel is provided with a friction layer correspondingly matched with the first suction disc.
The electromagnetic coil assembly comprises an annular groove-shaped coil shell, a winding coil is arranged in the coil shell, a plug which is connected and matched with the winding coil is arranged on the coil shell, and an epoxy resin layer is further encapsulated on the winding coil.
Utility model advantage:
the utility model discloses simple structure, convenient to use, low in manufacturing cost are honest and clean, and the clutch separation during the circular telegram, disconnection water pump power supply that can be quick makes it be in unoperated state, has improved the low temperature startability of engine, and then reaches energy saving and consumption reduction, and clutch separation vibration and noise are lower simultaneously.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
The specific implementation mode is as follows:
as shown in figure 1, the clutch for the automobile water pump comprises a belt wheel 1, a bearing 2 is sleeved on the inner wall of a central hole of the belt wheel 1, a belt wheel inner ring 3 is sleeved on the inner wall of the central hole of the bearing 2, and a water pump shaft 4 is inserted into the central hole of the belt wheel inner ring 3. The end part of one end of the belt wheel 1 is provided with a circle of coaxially distributed flanging 1b, the flanging 1b is provided with a circle of coaxially distributed friction layer 1a, and the friction layer and the belt wheel 1 are of an integrated structure.
The belt wheel inner ring is characterized in that one end of the belt wheel inner ring 3 is provided with annular reeds 5 which are coaxially distributed, a group of mounting holes are uniformly distributed on the reeds 5 close to the central axis, first rivets 5a penetrate through the mounting holes, and one ends of the first rivets 5a are riveted with annular notches 3a at the end parts of the belt wheel inner ring 3.
One side of the reed 5 is provided with a first suction disc 6 which is coaxially distributed and has a diameter larger than that of the reed 5, a group of connecting holes are uniformly distributed on the first suction disc 6, each connecting hole is provided with a second rivet 6a in a penetrating way, and one end of each second rivet 6a is riveted with the reed 5.
A ring-shaped friction surface 6b which is correspondingly matched with the friction layer 1a is arranged on the first suction disc 6 outside the second rivet 6a, and the friction surface and the first suction disc 6 are integrally manufactured. The first sucker 6 is driven to rotate by the belt wheel 1, and the first sucker 6 drives the belt wheel inner ring 3 to rotate by the reed 5, so as to drive the water pump shaft 4 to rotate.
The second sucker 7 is coaxially distributed on one side of the first sucker 6, the second sucker 7 is of an annular groove structure, and a certain gap is formed between the bottom surface of one side of the groove bottom of the second sucker 7 and the first sucker 6.
A group of first mounting holes 7a are uniformly distributed on the bottom surface of the second suction cup 7 opposite to the first suction cup 6, an elastic body 7b corresponding to the first suction cup 6 is inserted into each first mounting hole 7a, and the elastic body 7b is cylindrical and made of nonmetal rubber or silica gel or high polymer elastic material. One end of the elastic body 7b extends out of the first mounting hole 7a by a distance which is smaller than the distance between the first suction cup 6 and the second suction cup 7.
And an electromagnetic coil assembly 8 which is coaxially distributed is arranged in the annular groove of the second sucker 7, the electromagnetic coil assembly 8 comprises an annular groove-shaped coil shell 8c, and an annular notch 8f which is coaxially distributed is also arranged on the annular groove wall of the coil shell 8 c.
A winding coil 8a is arranged in a ring groove of the coil shell 8c, a plug 8d which is connected and matched with the winding coil 8a is arranged on the coil shell 8c, and one end of the plug 8d forms electric signal connection matching with the winding coil 8a through a lead 8 b. The plug 8d is connected and matched with a power supply on the automobile. An epoxy resin layer 8e is further potted on the winding coil 8a, the winding coil 8a is wrapped by the epoxy resin, and the epoxy resin also invades into the annular gap 8f, so that the winding coil 8a can be fixed in the coil housing 8c through the epoxy resin layer 8 e.
The working process is as follows:
when the water pump needs to be disconnected, the winding coil is electrified, and then the electromagnetic coil assembly generates magnetic force, so that the first suction cup 6 is adsorbed on the bottom surface of the second suction cup 7. At this time, the first suction cup 6 is disengaged from the pulley 1, and therefore, power cannot be transmitted from the pulley 1 to the pulley inner ring 3, so that the water pump shaft 4 loses power, and the water pump stops operating.
When the first suction cup 6 is adsorbed on the bottom surface of the second suction cup 7, the elastic body 7b is firstly squeezed, and then the elastic body 7b can absorb certain impact force to play a certain role in shock absorption and noise reduction. When the winding coil is powered off, the magnetic force of the electromagnetic coil assembly disappears, the elastic body 7b rebounds to push the first sucking disc 6 to enable the first sucking disc 6 to be quickly separated from the second sucking disc 7, meanwhile, the first sucking disc 6 is rapidly contacted with the belt wheel 1 under the pulling of the reed 5, at the moment, the first sucking disc 6 transmits the power of the belt wheel 1 to the belt wheel inner ring 3 through the reed 5 to drive the belt wheel inner ring to rotate, and then the water pump shaft 4 is driven to rotate, so that the water pump starts to work.
Claims (4)
1. The utility model provides a clutch for automobile water pump, it includes band pulley (1), its characterized in that: the belt wheel inner ring (3) is sleeved in the belt wheel (1) through the bearing (2), the belt wheel inner ring (3) is sleeved with the corresponding matched water pump shaft (4), one end of the belt wheel inner ring (3) is provided with the first sucker (6) corresponding to the first sucker, a reed (5) is arranged between the first sucker (6) and the belt wheel inner ring (3), the first sucker (6) is connected and matched with the belt wheel inner ring (3) through the reed (5), a second sucker (7) is arranged on one side of the first sucker (6) in a clearance mode, and the second sucker (7) is provided with an electromagnetic coil assembly (8).
2. The clutch for the water pump of the automobile as claimed in claim 1, wherein: the first sucker (6) is provided with a friction surface (6 b) correspondingly matched with one end of the belt wheel (1).
3. The clutch for the water pump of the automobile as claimed in claim 1, wherein: one end of the belt wheel (1) is provided with a friction layer (1 a) correspondingly matched with the first sucker (6).
4. The clutch for the water pump of the automobile as claimed in claim 1, wherein: the electromagnetic coil assembly (8) comprises an annular groove-shaped coil shell (8 c), a winding coil (8 a) is arranged in the coil shell (8 c), a plug (8 d) which is connected and matched with the winding coil (8 a) is arranged on the coil shell (8 c), and an epoxy resin layer (8 e) is further wrapped on the winding coil (8 a).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921890287.4U CN210949613U (en) | 2019-11-05 | 2019-11-05 | Clutch for automobile water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921890287.4U CN210949613U (en) | 2019-11-05 | 2019-11-05 | Clutch for automobile water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210949613U true CN210949613U (en) | 2020-07-07 |
Family
ID=71380131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921890287.4U Active CN210949613U (en) | 2019-11-05 | 2019-11-05 | Clutch for automobile water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210949613U (en) |
-
2019
- 2019-11-05 CN CN201921890287.4U patent/CN210949613U/en active Active
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| GR01 | Patent grant |