CN202833731U - Pneumatic friction-type fan clutch - Google Patents
Pneumatic friction-type fan clutch Download PDFInfo
- Publication number
- CN202833731U CN202833731U CN201220543563.1U CN201220543563U CN202833731U CN 202833731 U CN202833731 U CN 202833731U CN 201220543563 U CN201220543563 U CN 201220543563U CN 202833731 U CN202833731 U CN 202833731U
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- CN
- China
- Prior art keywords
- seat
- interlock
- bearing
- fitting seat
- pressed
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- Expired - Fee Related
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Abstract
The utility model relates to a pneumatic friction-type fan clutch and belongs to the technical field of engine cooling systems. The pneumatic friction-type fan clutch comprises a driving plate and a driven plate, wherein a friction plate is disposed between the driving plate and the driven plate, an installation seat is formed in the center of the driven plate, and a pneumatic actuator is arranged inside the inner chamber of the driven plate. The pneumatic actuator comprises a ventilation shaft and a linkage seat, wherein the linkage seat is fixedly connected with the driving plate and is disposed inside the installation seat in an inserting mode. The linkage seat can slides and rotates inside the installation seat and is in a linkage connection with the ventilation shaft. One end of the ventilation shaft is provided with an end cover, a closed stretchable work chamber is arranged between the end cover and the installation seat, the ventilation shaft is provide with an air passage along the axial direction, one end of the air passage is communicated with the stretchable work chamber, the other end of the air passage is an air inlet, and a reset spring unit which drives the driving plate to press towards the driven plate is disposed between the linkage seat and the axial direction of the installation seat. Compared with a traditional silicone oil clutch, the pneumatic friction-type fan clutch is provided with the pneumatic actuator, so that the pneumatic friction-type fan clutch has the advantages that the performing is reliable, the fault protection to an engine is achieved, and the structure is simple.
Description
Technical field
The utility model relates to the automobile cooling system technical field, definitely says the fan clutch that is installed in transferring power between motor and the fan, more precisely a kind of Pneumatic friction type fan clutch.
Background technique
Fan clutch is the vitals in the car engine cooling system, and traditional fan clutch adopts silicone oil as working medium, utilizes the viscous force of silicone oil to realize transmission, the engagement of control fan clutch with separate.
Traditional silicon oil filled fan clutch, as driving medium, have following defective: 1) silicone oil rubs in active chamber with silicone oil, and it is thinning to raise with temperature, and viscosity descends, the transmission weak effect; When 2) the silicone oil leakage failure occurring, silicon oil filled fan clutch can't be worked or starting fan lags behind, and then causes easily engine operating temperature too high, causes the car fault to stop to travel, to cause motor to cause the engine failure such as scuffing of cylinder bore because of excess Temperature when serious, and cause motor to damage.
Summary of the invention
For the deficiency that prior art exists, it is working medium that the purpose of this utility model is to provide a kind of employing gas, adopts the Pneumatic friction type fan clutch of friction driving, has the error protection effect, and has the advantage of simple in structure and reliable operation.
For achieving the above object, the utility model provides following technological scheme: a kind of Pneumatic friction type fan clutch, include driving disc and driven disc, it is characterized in that: be provided with friction plate between described driving disc and the driven disc, driven disc central authorities are formed with fitting seat, be provided with pneumatic actuator in the fitting seat inner chamber, pneumatic actuator comprises ventilating shaft and interlock seat, described interlock seat is fixedly connected with driving disc, the interlock seat is plugged in the fitting seat and can slides in fitting seat and rotate, the interlock seat is connected with ventilating shaft, ventilating shaft one end is installed end cover, be provided with the telescopic active chamber of sealing between end cover and the fitting seat, described ventilating shaft is provided with the air flue that arranges vertically, air flue one end is communicated with telescopic active chamber, and the other end is air inlet nozzle, is provided with between described interlock seat and fitting seat are axial to make driving disc press to the return spring assembly of driven disc.
By adopting technique scheme, when engine temperature is elevated to the temperature that needs cooling, under the effect of return spring assembly, driving disc is pressed on realizes driving disc and driven disc engagement driving on the friction plate, when engine temperature is low, in ventilating shaft, ventilate, gas enters in the telescopic active chamber, promotes end cover, and overcomes return spring assembly, promotion ventilating shaft, interlock seat, driving disc move, and realize that driving disc separates with driven disc; This kinetic friction formula fan clutch has failure protection function, when gas occurs to leak, driving disc and driven disc is meshed all the time, and fan running prevents indicating oven temp. of engine.
The utility model further is set to: described ventilating shaft is provided with the circular groove of installing for bearing near air inlet nozzle one end, the interlock bearing is installed in the circular groove, the circular groove corresponding position laterally extends support platform on described interlock seat inwall and the ventilating shaft, the interlock bearing is pressed on and consists of being connected of ventilating shaft and interlock seat on the support platform, slidable fit has the sealed support of annular in the described end cover, the sealed support flip sleeve is located on the ventilating shaft, and its limit, outer and end cover are sealed and matched and form described telescopic active chamber, described return spring assembly includes the helical spring that is sheathed on the ventilating shaft, the axial end of helical spring is pressed on the opposite side of support platform supporting interlock bearing one side, and the other end is pressed on compressing on the face of fitting seat and sealed support formation.
Further be set to: described driven disc outer edge forms the axial chimb towards the driving disc direction again, axially fixedly mount described friction plate on the chimb inwall, friction plate is loop configuration, the friction plate endoporus is that little nose circle is towards the round platform of axial chimb opening one end, described driving disc outer edge is provided with the annular protrusion towards driven disc, and the annular protrusion outer side surface is the inclined-plane setting suitable with the inner side surface of friction plate.
Further be set to: described interlock seat and fitting seat are provided with bearing between radially again, and be provided with oil sealing at fitting seat towards an end of driving disc, the seal lip of oil sealing is pressed on the interlock seat outer side surface, described end cover is set in the fitting seat end, is sealed and matched between end cover and the fitting seat.
Further be set to: described return spring assembly also includes upper spring pad and lower spring pad again, upper spring pad one end be pressed on the interlock bearing on and corresponding with the support platform position, helical spring one end is pressed on the supporting surface of support platform and the formation of upper spring pad, the other end is pressed on the lower spring pad, form the bearing mounting groove between described fitting seat and the seal rack, be provided with block bearing in the bearing mounting groove, the lower spring pad is supported on the block bearing.
By adopting technique scheme, the pneumatic actuator of Pneumatic friction type fan clutch is simple in structure, and realize the structure setting of driving disc, driven disc and friction plate, realize the reliable transmission between driving disc and the driven disc, between fitting seat and the interlock seat bearing is set, the interlock seat rotates smoothly, and at fitting seat one end oil sealing is set, the other end and end cover are sealed and matched, and make fitting seat inner chamber sealing, have dustproof and prevent that lubricant oil from leaking.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model specific embodiment Pneumatic friction type fan clutch.
Embodiment
As shown in Figure 1, the disclosed a kind of Pneumatic friction type fan clutch of the utility model, include driving disc 1 and driven disc 2, be provided with friction plate 8 between described driving disc 1 and the driven disc 2, driven disc 2 central authorities are formed with fitting seat 20, in this specific embodiment, driven disc 2 is integrated machine shaping with fitting seat 20, is provided with pneumatic actuator in fitting seat 20 inner chambers; Described pneumatic actuator comprises ventilating shaft 3 and interlock seat 10, and described interlock seat 10 is fixedly connected with driving disc 1, in this specific embodiment, and interlock 10 and driving disc 1 one machine shaping; Described interlock seat 10 is plugged in also can be in fitting seat 20 interior slip and rotations in the fitting seat 20, interlock seat 10 is connected with ventilating shaft 3, ventilating shaft 3 one ends are installed with end cover 4 by nut, be provided with the telescopic active chamber 40 of sealing between end cover 4 and the fitting seat 20, described ventilating shaft 3 is provided with the air flue 30 that arranges vertically, air flue 30 1 ends are communicated with telescopic active chamber 40, the other end is air inlet nozzle, and described interlock seat 10 and fitting seat 20 is provided with between axially and makes driving disc 1 press to the return spring assembly of driven disc 2.
In this specific embodiment, described ventilating shaft 3 is provided with the circular groove 31 of installing for bearing near air inlet nozzle one end, interlock bearing 310 is installed in the circular groove 31, circular groove 31 corresponding positions laterally extend support platform 100 on described interlock seat 10 inwalls and the ventilating shaft 3, and interlock bearing 310 is pressed on and consists of being connected of ventilating shaft 3 and interlock seat 10 on the support platform 100; Described return spring assembly includes helical spring 5, upper spring pad 50 and lower spring pad 51, upper spring pad 50 is pressed on the interlock bearing 310, upper spring pad 50 is corresponding with support platform 100 positions, and helical spring 5 one ends are pressed on the supporting surface of upper spring pad 50 and support platform 100 compositions; Described end cover 4 interior slidable fit have the sealed support 6 of annular, sealed support 6 flip sleeves are located on the ventilating shaft 3, be provided with rubber seal between sealed support 6 and the ventilating shaft 3, and its seal ring that is provided with by the limit, outer and end cover 4 are sealed and matched and form described telescopic active chamber 40; Be installed on the ventilating shaft 3 for ease of sealed support 6 sealings, described sealed support 6 endoporus have extended axially axial belled part 60, axially belled part 60 outer walls are provided with step, on fitting seat 20, radially extend to form the support level corresponding with the step position 200, the support level 200 of fitting seat 20 consists of the mounting groove of installing for block bearing 7 with the step of sealed support 6, block bearing 7 is installed in the mounting groove, described lower spring pad 51 is supported on the block bearing 7, consisted of the face that compresses that forms between fitting seat 20 and the sealed support 6 by block bearing 7 like this, support for ease of lower spring pad 51,60 ends, axial belled part of sealed support 6 and block bearing 7 end face, lower spring pad 51 are supported on the face that the axial belled part 60 of block bearing 7 and sealed support 6 consists of.
For further improving the working life of clutch, described interlock seat 10 and fitting seat 20 are provided with bearing 201 between radially, in fitting seat 20, offer interior step, bearing 201 is installed on the interior step, and be provided with oil sealing 202 at fitting seat 20 towards an end of driving disc 1, the seal lip of oil sealing 202 is pressed on interlock seat 10 outer side surfaces; Described end cover 4 is set in fitting seat 20 ends, is sealed and matched by seal ring between end cover 4 and the fitting seat 20.So just that fitting seat 20 is sealed at both ends, prevent that foreign material from entering in the inner chamber of fitting seat 20 and prevent that the lubricant oil in the installation cavity from leaking, improve clutch working life.
In this specific embodiment, described driven disc 2 outer edges form the axial chimb 21 towards driving disc 1 direction, axially fixedly mount described friction plate 8 on chimb 21 inwalls, friction plate 8 is by on the spacing axial chimb 21 that is fixed on driven disc 2 of annular pressing plate 80, friction plate 8 is loop configuration, friction plate 8 endoporus are that little nose circle is towards the round platform of axial chimb opening one end, described driving disc 1 outer edge is provided with the annular protrusion 11 towards driven disc 2, and annular protrusion 11 outer side surfaces are the inclined-plane setting suitable with the inner side surface of friction plate 8.In the said structure, essence adopts wedge-like engagement between driving disc 1 and the friction plate 8, contacts reliably master and slave Moving plate 1,2 reliable transmission between driving disc 1 and the friction plate 8.
Claims (6)
1. Pneumatic friction type fan clutch, include driving disc and driven disc, it is characterized in that: be provided with friction plate between described driving disc and the driven disc, driven disc central authorities are formed with fitting seat, be provided with pneumatic actuator in the fitting seat inner chamber, pneumatic actuator comprises ventilating shaft and interlock seat, described interlock seat is fixedly connected with driving disc, the interlock seat is plugged in the fitting seat and can slides in fitting seat and rotate, the interlock seat is connected with ventilating shaft, ventilating shaft one end is installed end cover, be provided with the telescopic active chamber of sealing between end cover and the fitting seat, described ventilating shaft is provided with the air flue that arranges vertically, and air flue one end is communicated with telescopic active chamber, the other end is air inlet nozzle, is provided with between described interlock seat and fitting seat are axial to make driving disc press to the return spring assembly of driven disc.
2. Pneumatic friction type fan clutch according to claim 1, it is characterized in that: described ventilating shaft is provided with the circular groove of installing for bearing near air inlet nozzle one end, the interlock bearing is installed in the circular groove, the circular groove corresponding position laterally extends support platform on described interlock seat inwall and the ventilating shaft, the interlock bearing is pressed on and consists of being connected of ventilating shaft and interlock seat on the support platform, slidable fit has the sealed support of annular in the described end cover, the sealed support flip sleeve is located on the ventilating shaft, and its limit, outer and end cover are sealed and matched and form described telescopic active chamber, described return spring assembly includes the helical spring that is sheathed on the ventilating shaft, the axial end of helical spring is pressed on the opposite side of support platform supporting interlock bearing one side, and the other end is pressed on compressing on the face of fitting seat and sealed support formation.
3. Pneumatic friction type fan clutch according to claim 2, it is characterized in that: described driven disc outer edge forms the axial chimb towards the driving disc direction, axially fixedly mount described friction plate on the chimb inwall, friction plate is loop configuration, the friction plate endoporus is that little nose circle is towards the round platform of axial chimb opening one end, described driving disc outer edge is provided with the annular protrusion towards driven disc, and the annular protrusion outer side surface is the inclined-plane setting suitable with the inner side surface of friction plate.
4. according to claim 2 or 3 described Pneumatic friction type fan clutches, it is characterized in that: described interlock seat and fitting seat are provided with bearing between radially, and be provided with oil sealing at fitting seat towards an end of driving disc, the seal lip of oil sealing is pressed on the interlock seat outer side surface, described end cover is set in the fitting seat end, is sealed and matched between end cover and the fitting seat.
5. according to claim 2 or 3 described Pneumatic friction type fan clutches, it is characterized in that: described return spring assembly also includes upper spring pad and lower spring pad, upper spring pad one end be pressed on the interlock bearing on and corresponding with the support platform position, helical spring one end is pressed on the supporting surface of support platform and the formation of upper spring pad, the other end is pressed on the lower spring pad, form the bearing mounting groove between described fitting seat and the seal rack, be provided with block bearing in the bearing mounting groove, the lower spring pad is supported on the block bearing.
6. Pneumatic friction type fan clutch according to claim 4, it is characterized in that: described return spring assembly also includes upper spring pad and lower spring pad, upper spring pad one end be pressed on the interlock bearing on and corresponding with the support platform position, helical spring one end is pressed on the supporting surface of support platform and the formation of upper spring pad, the other end is pressed on the lower spring pad, form the bearing mounting groove between described fitting seat and the seal rack, be provided with block bearing in the bearing mounting groove, the lower spring pad is supported on the block bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220543563.1U CN202833731U (en) | 2012-10-23 | 2012-10-23 | Pneumatic friction-type fan clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220543563.1U CN202833731U (en) | 2012-10-23 | 2012-10-23 | Pneumatic friction-type fan clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202833731U true CN202833731U (en) | 2013-03-27 |
Family
ID=47945444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220543563.1U Expired - Fee Related CN202833731U (en) | 2012-10-23 | 2012-10-23 | Pneumatic friction-type fan clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202833731U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019148A (en) * | 2014-05-28 | 2014-09-03 | 昆山隆中麦士格瑞汽车部件有限公司 | Pneumatic friction type fan clutch |
| CN104389920A (en) * | 2014-08-29 | 2015-03-04 | 龙口澳雷樽传动机械有限公司 | Pneumatic centrifugal clutch and manufacturing method thereof |
| CN111022519A (en) * | 2019-12-25 | 2020-04-17 | 浙江百立机械有限公司 | Pneumatic fan clutch |
| CN111173761A (en) * | 2019-12-25 | 2020-05-19 | 浙江百立机械有限公司 | Pneumatic clutch method for fan |
-
2012
- 2012-10-23 CN CN201220543563.1U patent/CN202833731U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104019148A (en) * | 2014-05-28 | 2014-09-03 | 昆山隆中麦士格瑞汽车部件有限公司 | Pneumatic friction type fan clutch |
| WO2015180297A1 (en) * | 2014-05-28 | 2015-12-03 | 昆山隆中麦士格瑞汽车部件有限公司 | Pneumatic friction-type fan clutch |
| CN104389920A (en) * | 2014-08-29 | 2015-03-04 | 龙口澳雷樽传动机械有限公司 | Pneumatic centrifugal clutch and manufacturing method thereof |
| CN104389920B (en) * | 2014-08-29 | 2018-04-10 | 龙口澳雷樽传动机械有限公司 | Aerodynamic centrifugal formula clutch and its manufacture method |
| CN111022519A (en) * | 2019-12-25 | 2020-04-17 | 浙江百立机械有限公司 | Pneumatic fan clutch |
| CN111173761A (en) * | 2019-12-25 | 2020-05-19 | 浙江百立机械有限公司 | Pneumatic clutch method for fan |
| CN111173761B (en) * | 2019-12-25 | 2021-06-22 | 浙江百立机械有限公司 | Pneumatic clutch method for fan |
| CN111022519B (en) * | 2019-12-25 | 2024-03-22 | 浙江积加汽车零部件有限公司 | Pneumatic fan clutch |
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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: 20130327 Termination date: 20211023 |