CN204986344U - Automatic fast oil pump is changed to regulation formula - Google Patents
Automatic fast oil pump is changed to regulation formula Download PDFInfo
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- CN204986344U CN204986344U CN201520616930.XU CN201520616930U CN204986344U CN 204986344 U CN204986344 U CN 204986344U CN 201520616930 U CN201520616930 U CN 201520616930U CN 204986344 U CN204986344 U CN 204986344U
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- conical surface
- single conical
- oil pump
- surface roller
- pair
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Abstract
The utility model discloses an automatic fast oil pump is changed to regulation formula, include pivot (10) and power output shaft (3) of engine through oil pump main part (1) of drive mechanism connection, drive mechanism includes four single conical surface gyro wheel (4) and belt (7), four single conical surface gyro wheel (4) be two a pair of, and every conical surface to two single conical surface gyro wheel (4) is relative and coaxial, one of them is to single conical surface gyro wheel (4) and the spacing and sliding fit of pivot (10) circumference, and the distance between two single conical surface gyro wheel (4) is adjustable, a pair of single conical surface gyro wheel (4) and the spacing and sliding fit of power output shaft (3) circumference in addition, the distance between two single conical surface gyro wheel (4) is adjustable, belt (7) around covering on two pairs single conical surface gyro wheel (4). After the structure, unnecessary energy loss can be reduced more than adopting, hydraulic pressure power sum mechanical power has been reduced to improve the work efficiency of engine.
Description
Technical field
The utility model relates to the technical field of oil pump, is specifically a kind of automatic adjustable variable speed oil pump.
Background technique
Operationally, each moving parts is all used on another part with certain masterpiece motor car engine, and relative movement at a high speed occurs, and had relative movement, part surface must produce friction, thus accelerated wear test.Therefore, in order to alleviate wearing and tearing, reducing frictional resistance, increasing the service life, motor all must have lubrication system.The various equipment such as the organic oil pump of critical piece of lubrication system, the effect of oil pump is after machine oil is brought up to certain pressure, be sent on the moving surface of each part of motor forcibly, it generally comprises pump cover and the pump housing, connect with screw between pump cover and the pump housing, in the pump housing, be provided with internal rotor, external rotor, low pressure oil pocket and high-voltage oil cavity.Traditional oil pump flow-rate ratio when running up is larger, and in fact motor does not need so large flow, in this process, unnecessary machine oil a large amount of idle work that caused motor to do, therefore motor wasted work is larger, thus make engine consumption comparatively large, the effect of energy-saving and emission-reduction can not be met.Therefore, a kind of variable delivery pump has been there is in prior art, it mainly realizes the change of oil pump output oil pressure by the rotating speed of the rotating shaft changing pump, and realize the mode of this purpose, a kind of is directly be connected with the rotating shaft of pump by the pto＝power take-off of motor, and also having a kind of is that the pto＝power take-off of motor is connected with the rotating shaft of pump by gear-box.But no matter be which kind of linkage structure, the oil pressure value that oil pump exports, is all decided by velocity ratio, in other words, the rotating speed of the pto＝power take-off of motor and the rotating speed of oil pump rotating shaft are certain proportionate relationships, and therefore, its Problems existing is:
1) output oil pressure of oil pump determines according to the rotating speed of motor, and the velocity ratio of the rotating speed of motor and the rotating shaft of oil pump is certain, therefore, it can not regulate the rotating speed of oil pump rotating shaft when engine speed is certain, thus does not also reach the object regulating oil pump output oil pressure;
2) when vehicle low speed or idling, the mean speed of motor is all lower, therefore, the output oil pressure of oil pump is low, and the fluid amount of output is also little, but, now the engine temperature of vehicle is high, and the demand for lubricating oil amount of requirement is comparatively large, therefore, clearly the fuel delivery of oil pump does not reach demand, thus the phenomenon causing motor to burn out;
3) and the motor of vehicle when running up, oil pump easily occurs the phenomenon cavitated thus affecting the working life of oil pump;
4) moment of torsion needed for axis of rotation of oil pump is realized all from the output torque of motor, because the velocity ratio of the rotating speed of motor and the rotating shaft of oil pump is certain, therefore, the power consumpiton of rotating shaft rotating speed more required by high-engine of oil pump is just correspondingly larger, is unfavorable for the demand that automobile energy-saving reduces discharging.
Model utility content
Technical problem to be solved in the utility model is, provides a kind of and reduces motor power consumption, raising motor efficiency, thus realize the automatic adjustable variable speed oil pump of energy-saving and emission-reduction.
For solving the problems of the technologies described above, the automatic adjustable variable speed oil pump that the utility model provides, comprise with the oil pump main body of rotating shaft and the pto＝power take-off of motor that is connected with rotating shaft by driving mechanism, oil pump main body is provided with the actuator port being transported to each lubricating point; Described driving mechanism comprises four single conical surface rollers and belt, and four single conical surface rollers are two a pair, and the conical surface of two often pair single conical surface rollers is relative; Wherein a pair single conical surface roller and rotating shaft circumference spacing and be slidably matched, and the distance between two single conical surface rollers is by the first spacing adjusting mechanism adjustment; Other a pair single conical surface roller and pto＝power take-off circumference spacing and be slidably matched, and the distance between two single conical surface rollers is by the second spacing institutional adjustment; Described belt is around overlaying on two on single conical surface roller.
Two single conical surface rollers in described often pair single conical surface roller are the driving wheel slided to axial along rotating shaft or pto＝power take-off, the first described spacing adjusting mechanism is connected with the single conical surface roller away from oil pump main body, and the second spacing adjusting mechanism is connected with the single conical surface roller away from motor.
The side of described belt is the inclined-plane matched with the conical surface of single conical surface roller, inclined-plane and the conical surface close-fitting on often pair of single conical surface roller of belt both sides.
As the first structure of the first described spacing adjusting mechanism, it comprises the first cluster spring and wear plate, one end of first cluster spring is fixedly connected with the housing of cabinet, and the other end and wear plate push against or throw off, and wear plate is fixedly connected on the end face of single conical surface roller.
As the second structure of the first described spacing adjusting mechanism, it comprises at least three group regulation units be arranged between two single conical surface rollers, often organizes regulation unit and comprises push rod, spring and sleeve; One end of described sleeve is fixedly connected on the end face of one of them single conical surface roller, and one end of push rod is fixedly connected on the end face of another one list conical surface roller, and the other end of push rod is slidably connected in the other end of sleeve; Described spring is positioned at sleeve, and the end face of one end of spring and push rod pushes against, and the end face of the other end and single conical surface roller pushes against.
The second described spacing adjusting mechanism comprises movable pressure plate and the second cluster spring, movable pressure plate to be slidably socketed on pto＝power take-off and with pto＝power take-off synchronous axial system, second cluster spring is between movable pressure plate and single conical surface roller, and one end of the second cluster spring is connected with movable pressure plate, the other end is connected with single conical surface roller.
Described movable pressure plate is communicated with the actuator port of briquetting with oil pump main body by pipeline away from one end of single conical surface roller.
After adopting above structure, the utility model compared with prior art, has following advantage:
1) owing to carrying out transmission by four single conical surface rollers and belt between the rotating shaft of oil pump main body and the pto＝power take-off of motor, and adjust the moving radius of belt in rotating shaft or pto＝power take-off by the spacing between adjustment two often pair single conical surface rollers, realize the transmission speed ratio changed thus, in other words, the rotating speed of rotating shaft and the rotating ratio of pto＝power take-off change according to actual conditions, change the flow that oil pump exports like this; In the process of rotation speed change, driving radius is also large in change, and also just mean that moment of torsion that needs drive is also reducing, be two-way minimizing in fact for motor power consumption; The power consumption that rotating speed is reducing to need is subtracting, and moment of torsion is also simultaneously in minimizing; Therefore, can unnecessary energy loss be reduced, reach the effect of energy-saving and emission-reduction, decrease hydraulic power and mechanical output, thus improve the working efficiency of motor;
2) adjustment of this oil pump is automatic adjustable, and the change power of rotating speed comes from that the oil pressure that self pumps regulates completely; Such as when engine speed is low (now speed ratio is greater than 1), the rotating speed of oil pump can than the height of general pump, time engine speed is high (now speed ratio is less than 1), pump speed can be lower than general, like this, ensure that the pump oil mass of oil pump oil pressure when the slow-speed of revolution is sufficient, during high rotating speed, reduce unnecessary oil mass, while reaching power consumption, meet the demand to lubricant oil under a motor rotating speed;
3) two changes to the spacing between single conical surface roller are realized by the first spacing adjusting mechanism and the second spacing adjusting mechanism, structure is simple, and by inclined-plane and the transmission realizing coordinating between the conical surface moving of belt both sides, efficiency is high, stable movement;
4) driven the movable pressure plate in the second spacing adjusting mechanism by operation of oil pump hydraulic fluid port hydraulic driving power out, make whole apparatus structure compacter, more improve the working efficiency of oil pump, reduce power consumption.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model automatic adjustable variable speed oil pump.
Fig. 2 is the second structural representation of the first spacing adjusting mechanism in the utility model.
Fig. 3 is the force analysis schematic diagram of driving mechanism in the utility model.
Wherein, 1, oil pump main body; 2, actuator port; 3, pto＝power take-off; 4, single conical surface roller; 5, movable pressure plate; 6, the second cluster spring; 7, belt; 8, the first cluster spring; 9, wear plate; 10, rotating shaft; 11, inclined-plane; 12, push rod; 13, sleeve; 14, spring; F0, hydraulic driving power; The moving radius of B, oil pump place belt; The moving radius of b, motor place belt; The active force that F, belt are subject to; The moment of torsion that N, belt transmit.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
The structural representation of the utility model automatic adjustable variable speed oil pump is as shown in Figure 1 known, it is comprised with the oil pump main body 1 of rotating shaft 10 and the pto＝power take-off 3 of motor that is connected with rotating shaft 10 by driving mechanism, and oil pump main body 1 is provided with the actuator port 2 being transported to each lubricating point.Described driving mechanism comprises four single conical surface rollers 4 and the single conical surface roller 4 of belt 7, four is two a pair, and the conical surface of two often pair single conical surface rollers 4 is relative.Wherein a pair single conical surface roller 4 is spacing and be slidably matched with rotating shaft 10 circumference, and the distance between two single conical surface rollers 4 is by the first spacing adjusting mechanism adjustment; Other a pair single conical surface roller 4 is spacing and be slidably matched with pto＝power take-off 3 circumference, and the distance between two single conical surface rollers 4 is by the second spacing institutional adjustment.Described belt 7 is around overlaying on two on single conical surface roller 4.In fact, often pair of single conical surface roller 4 is equivalent to formation belt wheel, and two are exactly one to single conical surface roller 4 is with wheels, unlike, the spacing between two often pair single conical surface rollers 4 is adjusted by the output oil pressure of oil pump.
Two single conical surface rollers 4 in described often pair single conical surface roller 4 are the driving wheel slided to axial along rotating shaft 10 or pto＝power take-off 3, the first described spacing adjusting mechanism is connected with the single conical surface roller 4 away from oil pump main body 1, and the second spacing adjusting mechanism is connected with the single conical surface roller 4 away from motor.
The side of described belt 7 is the inclined-plane 11 matched with the conical surface of single conical surface roller 4, inclined-plane 11 and the conical surface close-fitting often organized on single conical surface roller 4 of belt 7 both sides.
One end that the first described spacing adjusting mechanism comprises the first cluster spring 8 and wear plate 9, first cluster spring 8 is fixedly connected with the housing of cabinet, and the other end and wear plate 9 push against or throw off, and wear plate 9 is fixedly connected on the end face of single conical surface roller 4.
The second described spacing adjusting mechanism comprises movable pressure plate 5 and the second cluster spring 6, movable pressure plate 5 to be slidably socketed on pto＝power take-off 3 and with pto＝power take-off 3 synchronous axial system, second cluster spring 6 is between movable pressure plate 5 and single conical surface roller 4, and one end of the second cluster spring 6 is connected with movable pressure plate 5, the other end is connected with single conical surface roller 4.
Described movable pressure plate 5 is communicated with the actuator port 2 of oil pump main body 1 with briquetting by pipeline away from one end of single conical surface roller 4.
The utility model is not limited to above-described structure, wherein, as shown in Figure 2, the first described spacing adjusting mechanism comprises at least three group regulation units be arranged between two single conical surface rollers 4, often organizes regulation unit and comprises push rod 12, spring 14 and sleeve 13; One end of described sleeve 13 is fixedly connected on the end face of one of them single conical surface roller 4, and one end of push rod 12 is fixedly connected on the end face of another one list conical surface roller 4, and the other end of push rod 12 is slidably connected in the other end of sleeve 13; Described spring 14 is positioned at sleeve 13, and the end face of one end of spring 14 and push rod 12 pushes against, and the end face of the other end and single conical surface roller 4 pushes against.
Working principle of the present utility model is as follows: when the engine operates with a low speed, oil pump main body 1 actuator port 2 a part of fluid out by pipeline on the movable pressure plate 5 in the second spacing adjusting mechanism, and to belt one side, hydraulic driving power F0 is applied to movable pressure plate 5, like this, after compressing the second cluster spring 6, spacing between two that impel this right single conical surface rollers 4 reduces, thus the inclined-plane 11 of belt 7 both sides outwards slides along the conical surface, causes the moving radius b at motor place to increase; When moment of torsion N is certain, the directed force F that belt 7 transmits reduces, and the belt force F being delivered to the rotating shaft 10 at oil pump main body 1 place also reduces; Meanwhile, the length of belt 7 is constant, and when the moving radius b at motor place increases, the moving radius B at oil pump main body 1 place reduces, and the spacing now between two of oil pump place single conical surface rollers 4 increases, and the first cluster spring 8 is in compressive state; Now, the belt 7 at rotating shaft 10 place of oil pump main body 1 is subject to active force and reduces, and the moving radius B of belt 7 also reduces, and therefore, now the moment of torsion of oil pump main body 1 reduces, thus the hydraulic driving exported due to the actuator port of oil pump, reduce the power consumption of motor.Otherwise, operate once high engine speeds, remove the hydraulic driving power F0 on movable pressure plate 5, second cluster spring 6 rebounds and replys, and the spacing between two of this place single conical surface rollers 4 is increased, and first cluster spring 8 at oil pump main body 1 place also carries out bounce-back reply simultaneously, spacing between two of rotating shaft place single conical surface rollers 4 is reduced, according to above-mentioned principle, change the speed transmission ratio between rotating shaft 10 and pto＝power take-off 3, realize variable-displacement object.
Claims (7)
1. an automatic adjustable variable speed oil pump, comprise with the oil pump main body (1) of rotating shaft (10) and the pto＝power take-off (3) of motor that is connected with rotating shaft (10) by driving mechanism, oil pump main body (1) is provided with the actuator port (2) being transported to each lubricating point; It is characterized in that: described driving mechanism comprises four single conical surface rollers (4) and belt (7), four single conical surface rollers (4) are two a pair, and the conical surface of two often pair single conical surface rollers (4) is relative and coaxial; Wherein a pair single conical surface roller (4) is spacing and be slidably matched with rotating shaft (10) circumference, and the distance between two single conical surface rollers (4) is by the first spacing adjusting mechanism adjustment; Other a pair single conical surface roller (4) and pto＝power take-off (3) circumference is spacing and be slidably matched, and the distance between two single conical surface rollers (4) is by the second spacing institutional adjustment; Described belt (7) is around overlaying on two on single conical surface roller (4).
2. automatic adjustable variable speed oil pump according to claim 1, it is characterized in that: two single conical surface rollers (4) in described often pair single conical surface roller (4) are the driving wheel slided to axial along rotating shaft (10) or pto＝power take-off (3), the first described spacing adjusting mechanism is connected with the single conical surface roller (4) away from oil pump main body (1), and the second spacing adjusting mechanism is connected with the single conical surface roller (4) away from motor.
3. automatic adjustable variable speed oil pump according to claim 1, it is characterized in that: the side of described belt (7) is the inclined-plane (11) matched with the conical surface of single conical surface roller (4), inclined-plane (11) and the conical surface close-fitting on often pair of single conical surface roller (4) of belt (7) both sides.
4. automatic adjustable variable speed oil pump according to claim 2, it is characterized in that: the first described spacing adjusting mechanism comprises the first cluster spring (8) and wear plate (9), one end of first cluster spring (8) is fixedly connected with the housing of cabinet, the other end and wear plate (9) push against or throw off, and wear plate (9) is fixedly connected on the end face of single conical surface roller (4).
5. automatic adjustable variable speed oil pump according to claim 2, it is characterized in that: the first described spacing adjusting mechanism comprises at least three group regulation units be arranged between two single conical surface rollers (4), often organize regulation unit and comprise push rod (12), spring (14) and sleeve (13); One end of described sleeve (13) is fixedly connected on the end face of one of them single conical surface roller (4), one end of push rod (12) is fixedly connected on the end face of another one list conical surface roller (4), and the other end of push rod (12) is slidably connected in the other end of sleeve (13); Described spring (14) is positioned at sleeve (13), and the end face of one end of spring (14) and push rod (12) pushes against, and the end face of the other end and single conical surface roller (4) pushes against.
6. automatic adjustable variable speed oil pump according to claim 2, it is characterized in that: the second described spacing adjusting mechanism comprises movable pressure plate (5) and the second cluster spring (6), movable pressure plate (5) be slidably socketed pto＝power take-off (3) upper and with pto＝power take-off (3) synchronous axial system, second cluster spring (6) is positioned between movable pressure plate (5) and single conical surface roller (4), and one end of the second cluster spring (6) is connected with movable pressure plate (5), the other end is connected with single conical surface roller (4).
7. automatic adjustable variable speed oil pump according to claim 6, is characterized in that: described movable pressure plate (5) is communicated with the actuator port (2) of oil pump main body (1) with briquetting by pipeline away from one end of single conical surface roller (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616930.XU CN204986344U (en) | 2015-08-17 | 2015-08-17 | Automatic fast oil pump is changed to regulation formula |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520616930.XU CN204986344U (en) | 2015-08-17 | 2015-08-17 | Automatic fast oil pump is changed to regulation formula |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204986344U true CN204986344U (en) | 2016-01-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520616930.XU Withdrawn - After Issue CN204986344U (en) | 2015-08-17 | 2015-08-17 | Automatic fast oil pump is changed to regulation formula |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204986344U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065893A (en) * | 2015-08-17 | 2015-11-18 | 宁波圣龙汽车动力系统股份有限公司 | Self-regulation type variable rotating speed oil pump |
-
2015
- 2015-08-17 CN CN201520616930.XU patent/CN204986344U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105065893A (en) * | 2015-08-17 | 2015-11-18 | 宁波圣龙汽车动力系统股份有限公司 | Self-regulation type variable rotating speed oil pump |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20160120 Effective date of abandoning: 20171124 |
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| AV01 | Patent right actively abandoned |