CN203685366U - Water pump with speed adjustable - Google Patents
Water pump with speed adjustable Download PDFInfo
- Publication number
- CN203685366U CN203685366U CN201420004387.3U CN201420004387U CN203685366U CN 203685366 U CN203685366 U CN 203685366U CN 201420004387 U CN201420004387 U CN 201420004387U CN 203685366 U CN203685366 U CN 203685366U
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- China
- Prior art keywords
- belt pulley
- driven shaft
- water pump
- main shaft
- variable
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Abstract
The utility model provides a water pump with speed adjustable. The water pump comprises a main shaft, an impeller, a shell, an electromagnet assembly, a belt pulley and a suction-fit disc, wherein the impeller is fixedly connected to one end of the main shaft, the shell is connected to the middle of the main shaft in a pivot mode, the electromagnet assembly and the belt pulley are fixed to the shell, and the suction-fit disc is installed between the belt pulley and the electromagnet assembly. Different from the prior art, the other end of the main shaft is fixedly connected with a driven shaft, the belt pulley is connected with the driven shaft in a pivot mode through a bearing, a wave spring is arranged between the suction-fit disc and the driven shaft, a torsional spring is arranged between the belt pulley and the driven shaft, one free end of the torsional spring is provided with a radial pin, the other free end of the torsional spring is provided with an axial pin, the radial pin stretches into a groove formed in the driven shaft, and the axial pin penetrates through an arc long slotted hole in the side wall of the driven shaft and stretches into a groove formed in the suction-fit disc. By the adoption of the technical scheme, pulley train power is transmitted through the torsional spring, impact force is small, and abrasion is not prone to happening; the enough moving range is provided for the axial pin of the torsional spring by arranging the arc long slotted hole.
Description
Technical field
The utility model relates to a kind of variable-speed pump and control strategy thereof, particularly relates to a kind of variable-speed water pump that utilizes speed-adjustable clutch to coordinate control strategy control.
Background technique
At present, auto pump mainly uses belt drives belt pulley, and belt pulley directly drives water pump vane work, and impeller makes coolant flow, is engine radiating.
The control of orthodox car water pump no-clutch, as long as engine running, water pump is just worked thereupon, and motor can not enter rapidly optimum working temperature, and engine friction horsepower increases, and has aggravated the wearing and tearing of motor.
For passenger car, warm-air drier can not provide warm braw to operator cabin rapidly, affects vehicle ride comfort.
Publication number is that the Chinese utility model patent of 201502640U discloses a kind of automobile water pump electromagnetic clutch, between auto pump axle and water pump pulley, increase electromagnetic clutch device, can according to actual conditions open or the moment of torsion of the belt pulley that switches off the pump to the transmission of auto pump axle, can realize engine cooling balance, and effectively reduce the energy loss of motor, energy-saving and emission-reduction.But from the disclosed content of this patent, mainly to utilize the magnetic force of permanent magnet that drive plate assembly and water pump pulley adhesive are realized to moment of torsion transmission, wherein the magnetic force of permanent magnet is parallel to the axial of auto pump axle, and the moment of torsion of water pump pulley driving automobile water pump spindle rotation is the circumferential of auto pump axle, these two power are tangent relations, what that is to say that this technological scheme utilizes in fact is in the magnetic force adhesive of permanent magnet, outer ring plate, in, frictional force between outer ring plate and permanent magnet realizes the transmission of moment of torsion, because the magnetic force of permanent magnet is certain, the frictional force producing is also certain, moment of torsion when if the frictional force that the magnetic force of designed permanent magnet produces is enough to meet water pump pulley maximum (top) speed, the impact force producing is very large, affect the working life of product, if the moment of torsion can not meet water pump pulley maximum (top) speed time, there is speed difference in the rotating speed of the rotating speed of water pump pulley and auto pump axle, understands and produce relative sliding between them, incites somebody to action very quick-wearing, affects the life-span of water pump.
Model utility content
The purpose of this utility model is to solve the above-mentioned technical problem that prior art exists, and provides a kind of impact force little, nonabradable variable-speed water pump.For realizing this object, the disclosed technological scheme of the utility model is:
This variable-speed water pump, comprise main shaft 3, be fixed in the impeller 1 of main shaft 3 one end, be articulated in the housing 4 at main shaft 3 middle parts, be fixed on the electromagnet assembly 5 on housing 4, belt pulley 9, be arranged on the adhesive dish 7 between belt pulley 9 and electromagnet assembly 5, unlike the prior art at the affixed driven shaft 11 of the other end of main shaft 3, belt pulley 9 is by bearing 10 pivot joint driven shafts 11, between adhesive dish 7 and driven shaft 11, wavy spring 6 is set, between belt pulley 9 and driven shaft, 11 arrange torsion spring 8, a free end of torsion spring 8 is with pin 18 radially, another free end is with axial legs 19, radially pin 18 stretches into driven shaft 11 and arranges in groove, axial legs 19 stretches in the groove arranging on adhesive dish 7 through the arc slotted hole 16 arranging on driven shaft 11 sidewalls.Adopt this technological scheme to transmit train power by torsion spring, impact force is little, not easy to wear; The arc slotted hole arranging provides enough the sphere of activities to torsion spring axial legs.
Further, described housing 4 is by shaft connecting bearing and main shaft 3 pivot joints.Adopt this technological scheme because rotating shaft and bearing unite two into one, assembly of whole parts, reaches and reduces installation procedure, reduces labor intensity, improves the object of bearing quality, and whole parts precision, performance and used life are all improved.
Further, the cross section of described torsion spring 8 is rectangle.Adopt this technological scheme, when torsion spring is held tightly or torsion spring silk can be not overlapped when tensioner, free resilience while conveniently unclamping, and also the area of contact of torsion spring and driven shaft is larger with respect to other shapes, is conducive to the transmission of moment of torsion.
Further, the rotation direction of described torsion spring 8 is identical with belt pulley sense of rotation.Adopt this technological scheme, be conducive to the dispersion of active force, very large as egg shell compressive resistance, but anti-tension is very little.The rotation direction of torsion spring 8 torsion spring identical with belt pulley sense of rotation only can be held tightly not can tensioner, can the thin-walled of belt pulley not risen broken.
Further, at the sidewall of driven shaft 11, an arc slotted hole 17 with respect to its axis centre and described arc slotted hole 16 symmetries is also set.Adopt this technological scheme, the arc slotted hole 17 of slotted eye 16 symmetries, driven shaft can be realized dynamic balancing, more steady in the time of High Rotation Speed.
Further, described belt pulley 9 arranges flange near the end, one end of adhesive dish 7.Adopt this technological scheme, increased area of contact, be conducive to improve the transmission efficiency of train power, reduce wearing and tearing.
Further, also comprise the heat dissipation plate 12 affixed with belt pulley 9, the drive plate 15 affixed with driven shaft 11; The interior soft iron 13 that arranges of described drive plate 15, described heat dissipation plate 12 is inlayed several magnet 14 on the side end face near drive plate 15; Soft iron 13 is relative with magnet 14 gaps.Adopt this technological scheme, can realize two kinds of different rotating speeds, be more conducive to the speed regulating control to coolant flow in water pump.
Further, in several described magnet 14, the polarity of two magnet of arbitrary neighborhood is contrary.Namely the N utmost point of several magnet and the S utmost point are alternately distributed, and form several little closed magnetic fields, can produce electromagnetic induction with soft iron corresponding thereto, thereby produce soft drive power.
The strategy of controlling this variable-speed water pump is:
1) control parameter: comprise a. available machine time, b. engine motor oil temperature, c. engine water temperature, d. engine speed, e. engine power, f. turbosupercharging air temperature and ambient temperature differences, after g. turbosupercharging, air pressure and ambient pressure are poor, and the setting value of aforementioned control parameter requires to set according to different motors and motor producer;
2) when motor has just started, the coil electricity of electromagnet assembly 5, adhesive dish 7 is close to the iron core member of electromagnet assembly 5, and belt pulley 9 dallies, water air pump inoperative;
3) when the operating mode of motor reaches while controlling in parameter any one, the coil blackout of electromagnet assembly 5, adhesive dish 7 is adjacent to end face or the end face flange of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly or tensioner, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation;
4) in the time that electromagnet assembly 5 breaks down damage, adhesive dish 7 is adjacent to the end face of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation.
The another kind strategy of controlling this variable-speed water pump is:
1) control parameter: comprise a. available machine time, b. engine motor oil temperature, c. engine water temperature, d. engine speed, e. engine power, f. turbosupercharging air temperature and ambient temperature differences, after g. turbosupercharging, air pressure and ambient pressure are poor, and the setting value of aforementioned control parameter requires to set according to different motors and motor producer;
2) when motor has just started, the coil electricity of electromagnet assembly 5, adhesive dish 7 is close to the iron core member of electromagnet assembly 5, belt pulley 9 drives the magnet 14 on heat dissipation plate 12 and heat dissipation plate to rotate, magnet 14 relatively rotates generation electric convolution with the soft iron 13 in drive plate 15, electric convolution drives driven shaft 11 differentials to rotate, thereby slowly runs by main shaft 3 impeller 1;
3) when the operating mode of motor reaches while controlling in parameter any one, the coil blackout of electromagnet assembly 5, adhesive dish 7 is adjacent to or tensioner with the end face end face flange of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation at full speed; 4) in the time that electromagnet assembly 5 breaks down damage, adhesive dish 7 is adjacent to the end face of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation at full speed.
Adopt technique scheme, compared with prior art, soft drive impact force is not little, easy to wear, simple in structure, cost is lower.
Below in conjunction with accompanying drawing, the utility model clutch is described further.
Accompanying drawing explanation
Fig. 1 is first embodiment's of the utility model structural representation;
Fig. 2 is second embodiment's of the utility model structural representation;
Fig. 3 is the structural representation of driven shaft in the utility model variable-speed water pump;
Fig. 4 is the structural representation of torsion spring in the utility model variable-speed water pump.
Embodiment
Embodiment 1: referring to Fig. 1,3,4
One can realize full-speed operation, stop the variable-speed water pump of two states, comprise main shaft 3, be fixed in the impeller 1 of main shaft 3 one end, be articulated in the housing 4 at main shaft 3 middle parts, be fixed on the electromagnet assembly 5 on housing 4, belt pulley 9, be arranged on the adhesive dish 7 between belt pulley 9 and electromagnet assembly 5, at the affixed driven shaft 11 of the other end of main shaft 3, belt pulley 9 is by bearing 10 pivot joint driven shafts 11, between adhesive dish 7 and driven shaft 11, wavy spring 6 is set, between belt pulley 9 and driven shaft, 11 arrange torsion spring 8, a free end of torsion spring 8 is with pin 18 radially, another free end is with axial legs 19, radially pin 18 stretches into driven shaft 11 and arranges in groove, axial legs 19 stretches in the groove arranging on adhesive dish 7 through the arc slotted hole 16 arranging on driven shaft 11 sidewalls.Described housing 4 is by shaft connecting bearing and main shaft 3 pivot joints.The cross section of described torsion spring 8 is rectangle.The rotation direction of described torsion spring 8 is identical with belt pulley sense of rotation.At the sidewall of driven shaft 11, an arc slotted hole 17 with respect to its axis centre and described arc slotted hole 16 symmetries is also set.Described belt pulley 9 arranges flange near the end, one end of adhesive dish 7.
After engine start, monitoring engine parameters in real time: comprise a. available machine time, b. engine motor oil temperature, c. engine water temperature, d. engine speed, e. engine power, f. turbosupercharging air temperature and ambient temperature differences, g. after turbosupercharging, air pressure and ambient pressure are poor, and the setting value of aforementioned control parameter requires to set according to different motors and motor producer.
In the time that motor just starts, the coil electricity of electromagnet assembly 5, adhesive dish 7 is close to the iron core member of electromagnet assembly 5, and belt pulley 9 dallies, water air pump inoperative;
When detecting the operating mode of motor, ECU reaches while controlling in parameter any one, the coil blackout of electromagnet assembly 5, adhesive dish 7 is adjacent to end face or the end face flange of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly or tensioner, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation;
In the time that electromagnet assembly 5 breaks down damage, adhesive dish 7 is adjacent to the end face of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation.
Embodiment 2, referring to Fig. 2,3,4
Realize a variable-speed water pump for full-speed operation, differential operating condition, other only also comprise the heat dissipation plate 12 affixed with belt pulley 9 with embodiment 1, the drive plate 15 affixed with driven shaft 11; The interior soft iron 13 that arranges of described drive plate 15, described heat dissipation plate 12 is inlayed several magnet 14 on the side end face near drive plate 15; Soft iron 13 is relative with magnet 14 gaps.In several described magnet 14, the polarity of two magnet of arbitrary neighborhood is contrary.
After engine start, monitoring engine parameters in real time: comprise a. available machine time, b. engine motor oil temperature, c. engine water temperature, d. engine speed, e. engine power, f. turbosupercharging air temperature and ambient temperature differences, g. after turbosupercharging, air pressure and ambient pressure are poor, and the setting value of aforementioned control parameter requires to set according to different motors and motor producer.
In the time that motor just starts, the coil electricity of electromagnet assembly 5, adhesive dish 7 is close to the iron core member of electromagnet assembly 5, belt pulley 9 drives the magnet 14 on heat dissipation plate 12 and heat dissipation plate to rotate, magnet 14 relatively rotates generation electric convolution with the soft iron 13 in drive plate 15, electric convolution drives driven shaft 11 differentials to rotate, thereby rotates by main shaft 3 impeller 1 differentials;
When the operating mode of motor reaches while controlling in parameter any one, the coil blackout of electromagnet assembly 5, adhesive dish 7 is adjacent to or tensioner with the end face end face flange of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation at full speed; In the time that electromagnet assembly 5 breaks down damage, adhesive dish 7 is adjacent to the end face of belt pulley 9 under the effect of wavy spring 6 tension force, belt pulley 9 by adhesive dish 7 drive torsion spring 8 axial legs 19 relatively radially pin 18 reverse, torsion spring 8 is held tightly, and train power is delivered to impeller 1 by belt pulley 9, torsion spring 8, driven shaft 11, main shaft 3 and drives its rotation at full speed.
Claims (8)
1. a variable-speed water pump, comprise main shaft (3), be fixed in the impeller (1) of main shaft (3) one end, be articulated in the housing (4) at main shaft (3) middle part, be fixed on the electromagnet assembly (5) on housing (4), belt pulley (9), be arranged on the adhesive dish (7) between belt pulley (9) and electromagnet assembly (5), it is characterized in that: at the affixed driven shaft of the other end (11) of main shaft (3), belt pulley (9) is by bearing (10) pivot joint driven shaft (11), between adhesive dish (7) and driven shaft (11), wavy spring (6) is set, between belt pulley (9) and driven shaft, (11) arrange torsion spring (8), a free end of torsion spring (8) is with pin (18) radially, another free end is with axial legs (19), radially pin (18) stretches into driven shaft (11) and arranges in groove, axial legs (19) stretches in the upper groove arranging of adhesive dish (7) through the arc slotted hole (16) arranging on driven shaft (11) sidewall.
2. a kind of variable-speed water pump according to claim 1, is characterized in that described housing (4) is by shaft connecting bearing and main shaft (3) pivot joint.
3. a kind of variable-speed water pump according to claim 1, the cross section that it is characterized in that described torsion spring (8) is rectangle.
4. a kind of variable-speed water pump according to claim 1, is characterized in that the rotation direction of described torsion spring (8) is identical with belt pulley sense of rotation.
5. a kind of variable-speed water pump according to claim 1, is characterized in that also arranging one with respect to its axis centre and the symmetrical arc slotted hole (17) of described slotted eye (16) at the sidewall of driven shaft (11).
6. a kind of variable-speed water pump according to claim 1, is characterized in that described belt pulley (9) arranges flange near the end, one end of adhesive dish (7).
7. according to the arbitrary described a kind of variable-speed water pump of claim 1-6, it is characterized in that: also comprise the heat dissipation plate (12) affixed with belt pulley (9), the drive plate (15) affixed with driven shaft (11); Soft iron (13) is set in described drive plate (15), and described heat dissipation plate (12) is inlayed several magnet (14) near on a side end face of drive plate (15); Soft iron (13) is relative with magnet (14) gap.
8. a kind of variable-speed water pump according to claim 7, is characterized in that the polarity of two magnet of arbitrary neighborhood in described several magnet (14) is contrary.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004387.3U CN203685366U (en) | 2014-01-06 | 2014-01-06 | Water pump with speed adjustable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420004387.3U CN203685366U (en) | 2014-01-06 | 2014-01-06 | Water pump with speed adjustable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203685366U true CN203685366U (en) | 2014-07-02 |
Family
ID=51007280
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420004387.3U Expired - Fee Related CN203685366U (en) | 2014-01-06 | 2014-01-06 | Water pump with speed adjustable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203685366U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711564A (en) * | 2014-01-06 | 2014-04-09 | 龙口中宇机械有限公司 | Speed adjustable water pump and control strategy thereof |
| CN105782266A (en) * | 2016-05-17 | 2016-07-20 | 龙口中宇热管理系统科技有限公司 | Clutch device, water pump with same, and vehicle |
-
2014
- 2014-01-06 CN CN201420004387.3U patent/CN203685366U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103711564A (en) * | 2014-01-06 | 2014-04-09 | 龙口中宇机械有限公司 | Speed adjustable water pump and control strategy thereof |
| CN105782266A (en) * | 2016-05-17 | 2016-07-20 | 龙口中宇热管理系统科技有限公司 | Clutch device, water pump with same, and vehicle |
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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: 20140702 Termination date: 20180106 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |