CN203906604U - Electromagnetic clutch - Google Patents
Electromagnetic clutch Download PDFInfo
- Publication number
- CN203906604U CN203906604U CN201420284484.2U CN201420284484U CN203906604U CN 203906604 U CN203906604 U CN 203906604U CN 201420284484 U CN201420284484 U CN 201420284484U CN 203906604 U CN203906604 U CN 203906604U
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- CN
- China
- Prior art keywords
- platen
- pressing
- belt pulley
- plate
- face
- 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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- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
The utility model discloses an electromagnetic clutch. The electromagnetic clutch comprises an insertion hole which is located in the center and can allow a rotating shaft of a compressor to be inserted therein. A pressing disc hub is arranged on the insertion hole, pressing discs are arranged on one end face of the insertion hole, the other end face of the insertion hole is connected with a front end cover of the compressor, bearings, electromagnetic coils and belt wheels are sequentially arranged from the insertion hole to the outer side, and lead interfaces of the electromagnetic coils are arranged on the front end cover of the compressor. The electromagnetic clutch is characterized in that the electromagnetic coils and the belt wheels are all located on one side of each pressing disc, leaf springs are arranged on the other side of each pressing disc, pressing plates are arranged between the pressing discs and the end faces of the corresponding belt wheels, certain intervals are formed between the pressing plates and the end faces of the corresponding belt wheels, and the pressing plates comprise first contact plates adjacent to the pressing discs, second contact plates adjacent to the end faces of the belt wheels and middle plates located between the first contact plates and the second contact plates. The pressing plates of multilayer structures are arranged between the pressing discs and the end faces of the corresponding belt wheels, damage to the contact faces caused by multiple times of contact between the pressing discs and the end faces of the corresponding belt wheels is avoided, and the service life of the electromagnetic clutch is prolonged.
Description
Technical field
The utility model relates to a kind of magnetic clutch.
Background technique
Magnetic clutch carrys out the Engage and disengage of solenoidoperated cluthes by the power on/off of coil, it is simple in structure, and installation and maintenance are also extremely convenient.In loader air-conditioner control system, often utilize magnetic clutch to control switching on and off between diesel engine and compressor, wherein, when connection, need flat spring by platen suction tightly on belt pulley end face, in the time disconnecting, the space of platen and belt pulley end face maintenance certain distance.Platen need to again and again contact or separate with belt pulley end face, and direct contact repeatedly, easily damages platen and belt pulley end face, affects the working life of magnetic clutch.
Model utility content
For the problems referred to above, the utility model provides a kind of magnetic clutch, and the pressing plate of multi-layer structure is set between platen and belt pulley end face, avoids the two multiple-contact to cause surface of contact damage, the working life of improving magnetic clutch.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the utility model is achieved through the following technical solutions:
A kind of magnetic clutch, comprise and be positioned at center, can insert the jack of compressor rotation shaft, on jack, be provided with platen wheel hub, on end face of jack, be provided with platen, another end face is connected with the front cover of compressor, be disposed with laterally bearing from jack, electromagnetic coil and belt pulley, the lead-in wire interface of described electromagnetic coil is arranged on the front cover of compressor, it is characterized in that, described electromagnetic coil and belt pulley are all positioned at platen one side, platen opposite side is provided with flat spring, between described platen and belt pulley end face, be provided with pressing plate, between described pressing plate and belt pulley end face, there is certain interval, described pressing plate comprises the first contact plate near platen, near the second contact plate of belt pulley end face, intermediate plate between the first contact plate and the second contact plate.
Wherein, the outermost belt pulley of magnetic clutch is by V with being driven by the belt pulley of crankshaft of diesel engine front end, and platen wheel hub is connected with compressor rotation shaft by flat key.In the time of coil blackout, all parts, in home position, has certain interval between pressing plate and belt pulley end face, belt pulley idle running, and compressor and diesel engine disconnect; In the time of coil electricity, electromagnetic coil produces electromagnetic attraction, and platen is lived to electromagnetic coil side draught, platen drives presser motion, and pressing plate is connected with belt pulley end face, and belt pulley drives compressor rotation shaft to rotate together by platen, and then compressor and diesel engine connection, compressor operating.Preferably, intermediate plate is to have certain thickness sheet metal, has certain hardness, the intensity that ensures electromagnetic attraction, the first contact plate and the second contact plate can be rubber plates, can stand contact repeatedly or separate, durable, to improve magnetic clutch working life.
The beneficial effects of the utility model are: the pressing plate of multi-layer structure is set between platen and belt pulley end face, avoids the two multiple-contact to cause surface of contact damage, the working life of improving magnetic clutch.
Brief description of the drawings
Fig. 1 is the structural representation of a kind of magnetic clutch of the utility model;
Fig. 2 is the structure enlarged diagram of the utility model pressing plate;
The mark implication of accompanying drawing is as follows:
1: front cover; 2: compressor rotation shaft; 3: platen wheel hub; 4: electromagnetic coil; 5: lead-in wire interface; 6: belt pulley; 7: platen; 8: flat spring; 9: bearing; 10: pressing plate; 101: the first contact plates; 102: intermediate plate; 103: the second contact plates.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment, technical solutions of the utility model are described in further detail, so that those skilled in the art can better understand the utility model being implemented, but illustrated embodiment is not as to restriction of the present utility model.
As depicted in figs. 1 and 2, a kind of magnetic clutch, its center is jack, be used for inserting compressor rotation shaft 2, on jack, be provided with platen wheel hub 3, on end face of jack, (being the right side in Fig. 1) is provided with platen 7, and another end face (being the left side in Fig. 1) is connected with the front cover 1 of compressor, and magnetic clutch is generally arranged on compressor front end.
Be disposed with laterally bearing 9, electromagnetic coil 4 and belt pulley 6 from jack, wherein, electromagnetic coil 4 is fixed on the front cover 1 of belt pulley 6 inner compressors, the lead-in wire interface 5 of electromagnetic coil 4 is arranged on the front cover 1 of compressor, the outermost belt pulley 6 of magnetic clutch is by V with being driven by the belt pulley of crankshaft of diesel engine front end, and platen wheel hub 3 is connected with compressor rotation shaft 2 by flat key.
Described electromagnetic coil 4 and belt pulley 6 are all arranged in platen 7 one sides (being the left side of Fig. 1), platen 7 opposite sides (being the right side in Fig. 1) are provided with flat spring 8, wherein flat spring 8 can be also rubber spring, platen 7 is connected with platen wheel hub 3 by flat spring 8, between described platen 7 and belt pulley 6 end faces, be provided with pressing plate 10, between described pressing plate 10 and belt pulley 6 end faces, have certain interval, general interval is between 0.5-1mm.Wherein, as shown in Figure 2, pressing plate 10 comprises near the first contact plate 101 of platen 7, the second contact plate 103 near belt pulley 6 end faces, the intermediate plate 102 between the first contact plate 101 and the second contact plate 103 structure of pressing plate 10.
Wherein, preferably intermediate plate 102 is to have certain thickness sheet metal, has certain hardness, and such as the iron plate of iron material matter, and iron plate can increase electromagnetic attraction, ensures the intensity of electromagnetic attraction, and using effect is better.The first contact plate 101 and the second contact plate 103 are to have certain thickness rubber plate, the thickness of the second contact plate 103 preferably the thickness of the first contact plate 101 1.5-3 doubly.Can stand contact repeatedly or separate, durable, the working life of improving magnetic clutch.
In the time of electromagnetic coil 4 power-off, all parts, in home position, has certain interval between pressing plate 10 and belt pulley 6 end faces, and belt pulley 6 dallies, and compressor and diesel engine disconnect; In the time that electromagnetic coil 4 is switched on, electromagnetic coil 4 produces electromagnetic attraction, platen 7 is lived to electromagnetic coil 4 side draughts, platen 7 is with dynamic pressure plate 10 to move, pressing plate 10 is connected with belt pulley 6 end faces, belt pulley 6 drives compressor rotation shaft 2 to rotate together by platen 7, and then compressor and diesel engine connection, compressor operating.
These are only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or conversion of equivalent flow process that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.
Claims (6)
1. a magnetic clutch, comprise and be positioned at center, can insert the jack of compressor rotation shaft, on jack, be provided with platen wheel hub, on end face of jack, be provided with platen, another end face is connected with the front cover of compressor, be disposed with laterally bearing from jack, electromagnetic coil and belt pulley, the lead-in wire interface of described electromagnetic coil is arranged on the front cover of compressor, it is characterized in that, described electromagnetic coil and belt pulley are all positioned at platen one side, platen opposite side is provided with flat spring, between described platen and belt pulley end face, be provided with pressing plate, between described pressing plate and belt pulley end face, there is certain interval, described pressing plate comprises the first contact plate near platen, near the second contact plate of belt pulley end face, intermediate plate between the first contact plate and the second contact plate.
2. a kind of magnetic clutch according to claim 1, is characterized in that, described intermediate plate is to have certain thickness sheet metal.
3. a kind of magnetic clutch according to claim 2, is characterized in that, described the first contact plate is to have certain thickness rubber plate.
4. a kind of magnetic clutch according to claim 3, is characterized in that, described the second contact plate is to have certain thickness rubber plate.
5. a kind of magnetic clutch according to claim 2, is characterized in that, described sheet metal is iron plate.
6. a kind of magnetic clutch according to claim 4, is characterized in that, the thickness of described the second contact plate be the first contact plate thickness 1.5-3 doubly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284484.2U CN203906604U (en) | 2014-05-30 | 2014-05-30 | Electromagnetic clutch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420284484.2U CN203906604U (en) | 2014-05-30 | 2014-05-30 | Electromagnetic clutch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203906604U true CN203906604U (en) | 2014-10-29 |
Family
ID=51780886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420284484.2U Expired - Fee Related CN203906604U (en) | 2014-05-30 | 2014-05-30 | Electromagnetic clutch |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203906604U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994157A (en) * | 2014-05-30 | 2014-08-20 | 苏州倍辰莱电子科技有限公司 | Electromagnetic clutch |
-
2014
- 2014-05-30 CN CN201420284484.2U patent/CN203906604U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103994157A (en) * | 2014-05-30 | 2014-08-20 | 苏州倍辰莱电子科技有限公司 | Electromagnetic 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 |
Granted publication date: 20141029 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |