CN1991174A - Compressor and its torque limiter - Google Patents
Compressor and its torque limiter Download PDFInfo
- Publication number
- CN1991174A CN1991174A CNA2005101120020A CN200510112002A CN1991174A CN 1991174 A CN1991174 A CN 1991174A CN A2005101120020 A CNA2005101120020 A CN A2005101120020A CN 200510112002 A CN200510112002 A CN 200510112002A CN 1991174 A CN1991174 A CN 1991174A
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- compressor
- sucker
- wheel hub
- torque
- hub
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Abstract
The invention discloses a torque qualifier for compressor, which is used to connect with the compressor of automobile engine, comprising sucker inner ring part connected with crankshaft of compressor, sucker outer ring part for transporting power, hub part and belt pulley part. Inner and outer parts of sucker in torque qualifier can separated with the hub part so that the compressor is separated with the automobile engine. Screw thread is set on the hub and the hub is connected with the crankshaft of compressor by the screw thread. The hub is connected with the sucker rigidly and the belt pulley is connected with the sucker rigidly. There is separating position on the hub or sucker and the connecting intensity at the separating position is determined by the maximum torque of compressor. By the technological scheme, the torque qualifier for compressor in the invention can easily control the separating torque according to the physical characteristic of material in itself and it is provided with simple manufacturing process and low cost.
Description
Technical field
The present invention relates to the clutch of compressor, more particularly, relate to and a kind ofly do not take power on/off and realize the torque limiter of transmitting torque and the compressor that uses this clock torque limiter.
Background technique
The clutch pack vinculum circle of general compressor, belt pulley, and sucker, by coil electricity being made coil produce magnetic, sucker and belt pulley are pulled together, belt drives belt pulley and rotates, because belt pulley is pulled together with sucker, rotate so also drive sucker.Sucker and compressor crank shaft link together, and rotate the to-and-fro motion that realizes piston thereby the rotation of sucker just drives compressor crank shaft, reach the purpose of compressor refrigerant gas.Equally, when coil was not switched on, coil did not produce magnetic, and sucker and belt pulley are just thrown off like this, and the rotation of belt pulley just can't pass to bent axle by sucker, and compressor has not just been worked.
At present, a kind of compressor that becomes discharge capacity occurs, just can reach the purpose of control compressor displacement by the control external parameter.Therefore, this kind compressor does not need to put to realize whether compressor works by the suction of sucker and belt pulley, so sucker and belt pulley link together, has not so just needed coil.Because sucker links together with belt pulley, in case the excessive situation of compressor load takes place, just can by outage sucker not separated with belt pulley like that as clutch, so this kind clutch has overcurrent protection structure, be commonly referred to as torque limiter.At present, the protection structure of Chang Yong torque limiter has two kinds of forms.
1) shearing force of dependence rubber realized the protection of moment of torsion, in case after the moment of torsion of compressor surpassed the physical property of rubber, rubber just is sheared sucker and belt pulley just is separated from, belt pulley has just dallied.
2) the interior ring of sucker is a Hexagon, withstand on transmitting torque on the angle of ring in the hexagon by six pellets shot from a slingshot during proper functioning, there is in one thick outer thin pressing plate add belleville spring above the pellet shot from a slingshot and adds locking nut and lock, keep on the angle of pellet shot from a slingshot ring in hexagon.During disengaging, belleville spring distortion pressing plate up runs pellet shot from a slingshot can be skidded toward the straight flange of interior race by ring in the hexagon.
The sucker of the torque limiter of above-mentioned two kinds of forms is spline with the Placement of compressor crank shaft and is connected, so processed complex, can increase the manufacture cost of compressor clutch, has also increased the manufacture cost of compressor complete machine simultaneously.
Summary of the invention
It is simple to the purpose of this invention is to provide a kind of structure processing, can reduce the compressor torque delimiter of the manufacture cost of compressor torque delimiter and compressor complete machine.
According to the present invention; the sucker of compressor torque delimiter is threaded with being connected to of compressor crank shaft; process breach one by one on the sucker; an inside and outside part of passing through seldom of sucker linked to each other; in case the moment of torsion that the inner moment of torsion of compressor can transmit greater than torque limiter; the rotation of main shaft and torque limiter is just asynchronous; because sucker is to be threaded with bent axle; will move up or down in sucker inside like this; and the outside of sucker and belt pulley are to be rigidly connected; cause in the sucker like this; outer part relative movement arranged; when in case the power that relative movement produces surpasses the tensile yield limit of indentation, there material; in the sucker; outer part will be separated from the part of breach, reaches the purpose of protection compressor.The processing of this kind structure is simple, has reduced the manufacture cost of compressor clutch.
According to an aspect of the present invention, a kind of compressor torque delimiter is provided, be used to be connected the compressor on the motor car engine, the sucker outer ring part and the belt pulley part that comprise the hub portion that is connected with compressor crank shaft, sucker inner round portion, transferring power, the internal and external parts of the sucker of described torque limiter or hub portion can separate, thereby described compressor crank shaft is separated with belt pulley, have screw thread on the wheel hub, the bent axle of wheel hub and compressor is by being threaded; Wheel hub and sucker are rigidly connected, and belt pulley and sucker are rigidly connected; Have the disengaging position on sucker or the wheel hub, the join strength that breaks away from the position is determined according to the compressor Maximum Torque.
According to one embodiment of the invention, the wheel hub of sucker and the bent axle of compressor be that the wheel hub internal thread is connected with the bent axle outside thread, or the wheel hub outside thread are connected with the bent axle internal thread by being threaded.Described screw thread be left-handed thread or right-handed thread.
According to one embodiment of the invention, the plane position of described disengaging position on sucker.According to another embodiment of the present invention, described disengaging position is at hub portion.
According to a further aspect in the invention, a kind of compressor is provided, be connected on the motor car engine, comprise a compressor torque delimiter, described torque limiter comprises the sucker outer ring part and the belt pulley part of the hub portion that is connected with compressor crank shaft, sucker inner round portion, transferring power, the internal and external parts of the sucker of described torque limiter or hub portion can separate, thereby described compressor is separated with motor car engine, have screw thread on the wheel hub, the bent axle of wheel hub and compressor is by being threaded; Wheel hub and sucker are rigidly connected, and belt pulley and sucker are rigidly connected; Have the disengaging position on sucker or the wheel hub, the join strength that breaks away from the position is determined according to the compressor Maximum Torque.
According to one embodiment of the invention, the wheel hub of sucker and the bent axle of compressor be that the wheel hub internal thread is connected with the bent axle outside thread, or the wheel hub outside thread are connected with the bent axle internal thread by being threaded.Described screw thread be left-handed thread or right-handed thread.
According to one embodiment of the invention, the plane position of described disengaging position on sucker.According to another embodiment of the present invention, described disengaging position is at hub portion.
Adopted technological scheme of the present invention, compressor torque delimiter of the present invention mainly is the own physical property that relies on material, breaking away from control easily on the moment of torsion, and manufacturing process is simple, and cost is low.
Description of drawings
The above and other features of the present invention, character and advantage will become clearer by the description below in conjunction with drawings and Examples, identical in the accompanying drawings reference character is represented identical feature all the time, wherein:
Fig. 1 illustrates the structural drawing according to the compressor of one embodiment of the invention, has wherein adopted torque limiter of the present invention.
Fig. 2 illustrates the torque limiter according to one embodiment of the invention, wherein breaks away from the position on the position, plane on the sucker.
Fig. 3 illustrates the torque limiter according to one embodiment of the invention.Wherein break away from the position on wheel hub.
Embodiment
Design philosophy of the present invention is: the compressor torque delimiter has the sucker inner round portion that is connected with compressor crank shaft and the sucker outer ring part and the belt pulley part of transferring power.Because wish to reach the compressor driving torque above after the certain numerical value, the internal and external parts of the sucker of torque limiter or wheel hub can separate automatically, thereby reach the purpose of protection compressor and motor car engine.Therefore, torque limiter of the present invention machining screw on wheel hub, wheel hub and sucker are for being rigidly connected, and belt pulley and sucker are all and are rigidly connected.Sucker or wheel hub make a certain position of sucker have only minority partly to be connected as breaking away from the position by processing, and the join strength that breaks away from the position is determined according to the compressor Maximum Torque.During assembling, the wheel hub of sucker and the bent axle of compressor are by being threaded.Can be that the wheel hub internal thread is connected with the bent axle outside thread, also can be that the wheel hub outside thread is connected with the bent axle internal thread, and the rotation direction of screw thread can be processed into left-handed thread or right-handed thread as required.
The present invention provides a kind of compressor torque delimiter thus, be used to be connected the compressor on the motor car engine, the sucker outer ring part and the belt pulley part that comprise the hub portion that is connected with compressor crank shaft, sucker inner round portion, transferring power, the internal and external parts of the sucker of torque limiter or hub portion can separate, thereby compressor crank shaft is separated with belt pulley, wherein, have screw thread on the wheel hub, the bent axle of wheel hub and compressor is by being threaded; Wheel hub and sucker are rigidly connected, and belt pulley and sucker are rigidly connected; Have the disengaging position on sucker or the wheel hub, the join strength that breaks away from the position is determined according to the compressor Maximum Torque.
The wheel hub of sucker and the bent axle of compressor be that the wheel hub internal thread is connected with the bent axle outside thread, or the wheel hub outside thread are connected with the bent axle internal thread by being threaded.Screw thread be left-handed thread or right-handed thread.
According to the compressor torque delimiter of one embodiment of the invention, break away from the plane position of position on sucker, the embodiment with reference to shown in Figure 2 wherein breaks away from position 200 on the planar section on the sucker 202 204.
Compressor torque delimiter according to another embodiment of the present invention breaks away from the position at hub portion.Embodiment with reference to shown in Figure 3 wherein breaks away from position 300 on wheel hub 304, rather than on sucker 302.
The present invention also provides a kind of compressor, be connected on the motor car engine, comprise a compressor torque delimiter, torque limiter comprises the sucker outer ring part and the belt pulley part of the hub portion that is connected with compressor crank shaft, sucker inner round portion, transferring power, the internal and external parts of the sucker of torque limiter or hub portion can separate, thereby compressor crank shaft is separated with belt pulley, wherein, have screw thread on the wheel hub, the bent axle of wheel hub and compressor is by being threaded; Wheel hub and sucker are rigidly connected, and belt pulley and sucker are rigidly connected; Have the disengaging position on sucker or the wheel hub, the join strength that breaks away from the position is determined according to the compressor Maximum Torque.
In above-mentioned compressor, the wheel hub of sucker and the bent axle of compressor be that the wheel hub internal thread is connected with the bent axle outside thread, or the wheel hub outside thread are connected with the bent axle internal thread by being threaded.Screw thread can be left-handed thread or right-handed thread.
Fig. 1 illustrates the structural drawing according to the compressor of one embodiment of the invention, has wherein adopted torque limiter of the present invention.By being threaded, sucker 102 and belt pulley 104 are rigidly connected by screw 108 with reference to main shaft 100 shown in Figure 1 and sucker 102.During work, belt pulley 104 rotates, because sucker 102 and belt pulley 104 are to be rigidly connected by screw 106, so sucker 102 also follows belt pulley 106 to rotate together, sucker 102 and main shaft 100 are by being threaded, if the breakdown strength between a of sucker 102 and the b part passes to the axial force that the moment of torsion of main shaft 100 produces greater than sucker 102, then sucker 102 drives main shafts 100 and rotates the compressor proper functioning.If the compressor internal work occurs unusual, main shaft 100 does not rotate, and the moment of torsion that sucker 102 drive main shafts 100 rotate can increase above a of sucker 102 and the breakdown strength of b part, this moment since sucker 102 and belt pulley 104 still rotating, the b part of sucker 102 is because threaded relation will be along the screw thread axial motion, and the b part is because of being rigidly connected with belt pulley 104, can't move, relative displacement just takes place between a and the b, when the power that displacement produces surpassed the breakdown strength of attachment portion between a and the b, the attachment portion was destroyed, and a and the b of sucker partly break away from, belt pulley 104 will be with a partial rotation of sucker 102, and the b of sucker 102 part and main shaft 100 will no longer rotate.Wherein a promptly is disengaging recited above position with the position that b partly links to each other on the sucker 102.
According to one embodiment of the invention, compressor adopts the torque limiter of form as shown in Figure 2, and it breaks away from the position on the planar section of sucker.
According to another embodiment of the present invention, compressor adopts the torque limiter of form as shown in Figure 3, and it breaks away from the position on wheel hub.
Adopted technological scheme of the present invention, compressor torque delimiter of the present invention mainly is the own physical property that relies on material, breaking away from control easily on the moment of torsion, and manufacturing process is simple, and cost is low.
The foregoing description provides to being familiar with the person in the art and realizes or use of the present invention; those skilled in the art can be under the situation that does not break away from invention thought of the present invention; the foregoing description is made various modifications or variation; thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (10)
1. compressor torque delimiter, be used to be connected the compressor on the motor car engine, comprise the sucker inner round portion that is connected with compressor crank shaft, sucker outer ring part, hub portion and the belt pulley part of transferring power, the internal and external parts of the sucker of described torque limiter or hub portion can separate, thereby described compressor is separated with motor car engine, it is characterized in that
Have screw thread on the wheel hub, the bent axle of wheel hub and compressor is by being threaded; Wheel hub and sucker are rigidly connected, and belt pulley and sucker are rigidly connected; Have the disengaging position on sucker or the wheel hub, the join strength that breaks away from the position is determined according to the compressor Maximum Torque.
2. compressor torque delimiter as claimed in claim 1 is characterized in that, the wheel hub of sucker and the bent axle of compressor be that the wheel hub internal thread is connected with the bent axle outside thread, or the wheel hub outside thread are connected with the bent axle internal thread by being threaded.
3. compressor torque delimiter as claimed in claim 2 is characterized in that, described screw thread be left-handed thread or right-handed thread.
4. compressor torque delimiter as claimed in claim 1 is characterized in that, the plane position of described disengaging position on sucker.
5. compressor torque delimiter as claimed in claim 1 is characterized in that, described disengaging position is at hub portion.
6. compressor, be connected on the motor car engine, comprise a compressor torque delimiter, described torque limiter comprises the sucker outer ring part and the belt pulley part of the hub portion that is connected with compressor crank shaft, sucker inner round portion, transferring power, the internal and external parts of the sucker of described torque limiter or hub portion can separate, thereby make described compressor crank shaft and sucker belt pulley, it is characterized in that
Have screw thread on the wheel hub, the bent axle of wheel hub and compressor is by being threaded; Wheel hub and sucker are rigidly connected, and belt pulley and sucker are rigidly connected; Have the disengaging position on sucker or the wheel hub, the join strength that breaks away from the position is determined according to the compressor Maximum Torque.
7. compressor as claimed in claim 6 is characterized in that, the wheel hub of sucker and the bent axle of compressor be that the wheel hub internal thread is connected with the bent axle outside thread, or the wheel hub outside thread are connected with the bent axle internal thread by being threaded.
8. compressor as claimed in claim 7 is characterized in that, described screw thread is left-handed thread or right-handed thread.
9. compressor as claimed in claim 6 is characterized in that, the plane position of described disengaging position on sucker.
10. compressor as claimed in claim 6 is characterized in that, described disengaging position is at hub portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101120020A CN1991174A (en) | 2005-12-26 | 2005-12-26 | Compressor and its torque limiter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2005101120020A CN1991174A (en) | 2005-12-26 | 2005-12-26 | Compressor and its torque limiter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1991174A true CN1991174A (en) | 2007-07-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2005101120020A Pending CN1991174A (en) | 2005-12-26 | 2005-12-26 | Compressor and its torque limiter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1991174A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890456A (en) * | 2011-05-10 | 2014-06-25 | 德尔福技术有限公司 | Composition comprising a non-ionic surfactant and an ionic polymer |
-
2005
- 2005-12-26 CN CNA2005101120020A patent/CN1991174A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103890456A (en) * | 2011-05-10 | 2014-06-25 | 德尔福技术有限公司 | Composition comprising a non-ionic surfactant and an ionic polymer |
| CN103890456B (en) * | 2011-05-10 | 2016-08-17 | 马勒国际有限公司 | The compressor over torque protection device improved |
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Open date: 20070704 |