CN204553389U - A kind of stepless speed variator hydraulic valve and automobile - Google Patents
A kind of stepless speed variator hydraulic valve and automobile Download PDFInfo
- Publication number
- CN204553389U CN204553389U CN201520235180.1U CN201520235180U CN204553389U CN 204553389 U CN204553389 U CN 204553389U CN 201520235180 U CN201520235180 U CN 201520235180U CN 204553389 U CN204553389 U CN 204553389U
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- China
- Prior art keywords
- hollow structure
- stepless speed
- speed variator
- valve
- oil duct
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- 239000008188 pellet Substances 0.000 claims abstract description 44
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 76
- 239000000446 fuel Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Abstract
The utility model provides a kind of stepless speed variator hydraulic valve and automobile, comprise upper valve body, demarcation strip and one-way valve, this one-way valve comprises: valve seat, its one end and demarcation strip fit, the middle part of valve seat is provided with the first hollow structure, and the first hollow structure is connected with the first oil duct junction be arranged on demarcation strip; Guide sleeve, its one end abuts with the other end of valve seat, and the middle part of guide sleeve is provided with the second hollow structure, and the sidewall of guide sleeve is provided with multiple second oil duct junction, and wherein, the second hollow structure is connected with the first hollow structure; Elastic member, elastic member is positioned at the second hollow structure, and one end of elastic member abuts with the bottom surface of mounting hole; Pellet part, pellet part abuts with the other end of elastic member.One-way valve in stepless speed variator hydraulic valve of the present utility model can not be only applicable to various oil circuit, can also avoid the loss of energy in stepless speed variator hydraulic system.
Description
Technical field
The utility model relates to automobile technical field, particularly a kind of stepless speed variator hydraulic valve and automobile.
Background technique
Hydraulic valve is as the execution component of stepless speed variator ECU (Electrical Control Unit), and it decides the working state of whole stepless speed variator.According to the signal that speed changer ECU (Electrical Control Unit) sends, regulate the pressure of each oil circuit, the flow direction of hydraulic control oil and flow, thus realize control to belt wheel clamping force and speed ratio, control that clutch is switched, to converter lockup and the control of opening and the control etc. to cooling and lubricating oil mass.
Hydraulic valve generally includes valve body, demarcation strip, spool, solenoid valve, spring, electrical harness and check valve assembly etc.In valve body oil circuit arrangement intricate, spool controls break-make and the flow direction of hydraulic oil in valve body oil duct, or regulate oil circuit pressure, in some special oil circuits, also arrange check valve assembly, be used for hydraulic control oil the flow direction and prevent pressure oil reflux and leak.
But one-way valve structures used in existing stepless speed variator hydraulic valve, mainly contains steel ball type and valve core type.Steel ball type one-way valve is exactly place a steel ball in oil duct, be pressed on corresponding oil duct and play seal action, but this is poor by structure stability, and flow area is little, can only be applied in low pressure oil way under the effect of steel ball self gravitation; Valve core type one-way valve is that spring promotion spool plays sealing throttling action, this structure is generally used in the lower oil circuit of one-way valve opening and closing frequency, in addition spool slip resistance is larger compared to steel ball, therefore valve core type one-way valve cracking pressure is higher, speed of response is comparatively slow, not too applicable in the oil circuit that one-way valve opening and closing frequency is higher.
Model utility content
The purpose of this utility model is to provide a kind of stepless speed variator hydraulic valve and automobile, and the one-way valve in this stepless speed variator hydraulic valve can be applicable to various oil circuit.
In order to achieve the above object, embodiment of the present utility model provides a kind of stepless speed variator hydraulic valve, comprises upper valve body and demarcation strip, upper valve body is provided with a mounting hole, stepless speed variator hydraulic valve also comprises an one-way valve, and one-way valve is positioned at mounting hole, and one-way valve comprises:
Valve seat, one end and the demarcation strip of valve seat fit, and the middle part of valve seat is provided with the first hollow structure, and the first hollow structure is connected with the first oil duct junction be arranged on demarcation strip;
Guide sleeve, one end of guide sleeve abuts with the other end of valve seat, and the middle part of guide sleeve is provided with the second hollow structure, and the sidewall of guide sleeve is provided with multiple second oil duct junction, and wherein, the second hollow structure is connected with the first hollow structure;
Elastic member, elastic member is positioned at the second hollow structure, and one end of elastic member abuts with the bottom surface of mounting hole;
Pellet part, pellet part abuts with the other end of elastic member; Wherein
When the motor car engine slow-speed of revolution, the pressure of the first oil duct junction is greater than the pressure of the second oil duct junction, and the pretightening force that pellet part overcomes elastic member is moved towards the second hollow structure, until pellet part is positioned at the second hollow structure; When motor car engine runs up, the pressure of the first oil duct junction is less than the pressure of the second oil duct junction, pellet part moves, until pellet part is positioned at the joint of the first hollow structure and the second hollow structure towards the first hollow structure under the effect of the pretightening force of elastic member.
Alternatively, the degree of depth of mounting hole is greater than the height summation of valve seat and guide sleeve.
Alternatively, the diameter of pellet part is greater than the diameter of the first hollow structure.
Alternatively, the diameter of pellet part is less than the diameter of the second hollow structure.
Alternatively, the radial distance between pellet part surface and the sidewall of guide sleeve is 0.1 ~ 0.2mm.
Alternatively, the quantity of the second oil duct junction is 4.
Alternatively, the diameter of the second oil duct junction is less than the diameter of pellet part.
Alternatively, elastic member is spring.
Alternatively, pellet part is steel ball.
Of the present utility modelly embodiment still provides a kind of automobile, comprise above-mentioned stepless speed variator hydraulic valve.
Such scheme of the present utility model has following beneficial effect:
In embodiment of the present utility model, when the motor car engine slow-speed of revolution, oil pump pump oil mass is little, under the adjustment of flow control valve, the pressure of the first oil duct junction raises, and being greater than the pressure of the second oil duct junction, the pretightening force that pellet part overcomes elastic member is moved towards the second hollow structure, and namely one-way valve is opened.Now, the oil of the first oil duct junction enters the second oil duct junction by valve seat and guide sleeve, and then is stepless speed variator hydraulic system fuel feeding together.And when motor car engine height rotating speed, under the adjustment of flow control valve, the second oil duct junction is stepless speed variator hydraulic system fuel feeding, first oil duct junction emptying, under the acting in conjunction of the pretightening force of elastic member and the oil pressure of the second oil duct junction, pellet part is fallen on valve seat, i.e. closed check valve.Because this one-way valve can close fast and open, make this one-way valve can not only be applicable to the various oil circuits of stepless speed variator hydraulic valve, the loss of energy in stepless speed variator hydraulic system can also be avoided.
Accompanying drawing explanation
Structural representation when Fig. 1 is closed check valve in the utility model embodiment;
Fig. 2 is structural representation when one-way valve is opened in the utility model embodiment;
Fig. 3 is the structural representation of stepless speed variator hydraulic valve in the utility model embodiment.
Description of reference numerals:
1, upper valve body; 2, demarcation strip; 3, mounting hole; 4, valve seat; 5, the first hollow structure; 6, the first oil duct junction; 7, guide sleeve; 8, the second hollow structure; 9, the second oil duct junction; 10, elastic member; 11, pellet part.
Embodiment
For making the technical problems to be solved in the utility model, technological scheme and advantage clearly, be described in detail below in conjunction with the accompanying drawings and the specific embodiments.
The utility model can not be applicable to the problem of various oil circuit for the one-way valve in stepless speed variator hydraulic valve in prior art, provide a kind of stepless speed variator hydraulic valve and automobile, the one-way valve in this stepless speed variator hydraulic valve can be applicable to various oil circuit.
As shown in FIG. 1 to 3, embodiment of the present utility model provides a kind of stepless speed variator hydraulic valve, comprise upper valve body 1 and demarcation strip 2, upper valve body 1 is provided with a mounting hole 3, and stepless speed variator hydraulic valve also comprises an one-way valve, and one-way valve is positioned at mounting hole 3, one-way valve comprises: valve seat 4, one end and the demarcation strip 2 of valve seat 4 fit, and the middle part of valve seat 4 is provided with the first hollow structure 5, and the first hollow structure 5 is connected with the first oil duct junction 6 be arranged on demarcation strip 2; Guide sleeve 7, one end of guide sleeve 7 abuts with the other end of valve seat 4, and the middle part of guide sleeve 7 is provided with the second hollow structure 8, and the sidewall of guide sleeve 7 is provided with multiple second oil duct junction 9, and wherein, the second hollow structure 8 is connected with the first hollow structure 5; Elastic member 10, elastic member 10 is positioned at the second hollow structure 8, and one end of elastic member 10 abuts with the bottom surface of mounting hole 3; Pellet part 11, pellet part 11 abuts with the other end of elastic member 10; Wherein, when the motor car engine slow-speed of revolution, the pressure of the first oil duct junction 6 is greater than the pressure of the second oil duct junction 9, and the pretightening force that pellet part 11 overcomes elastic member 10 is moved towards the second hollow structure 8, until pellet part 11 is positioned at the second hollow structure 8; When motor car engine runs up, the pressure of the first oil duct junction 6 is less than the pressure of the second oil duct junction 9, pellet part 11 moves towards the first hollow structure 5 under the effect of the pretightening force of elastic member 10, until pellet part 11 is positioned at the joint of the first hollow structure 5 and the second hollow structure 8.
Alternatively, in above-described embodiment of the present utility model, for the ease of being placed on by one-way valve in mounting hole 3, the degree of depth of mounting hole 3 is greater than the height summation of valve seat 4 and guide sleeve 7.
Alternatively, in above-described embodiment of the present utility model, for the ease of the opening and closing of one-way valve, the diameter of pellet part 11 is greater than the diameter of the first hollow structure 5, and is less than the diameter of the second hollow structure 8.As a preferred exemplary, radial distance between pellet part 11 surface and the sidewall of guide sleeve 7 can be set to 0.1 ~ 0.2mm, like this when pellet part 11 falls the joint of the first hollow structure 5 and the second hollow structure 8, can not only leading role be played, the leakage of oil that decentraction causes can also be prevented.
Alternatively, in above-described embodiment of the present utility model, in order to allow oil flow out for stepless speed variator hydraulic system fuel feeding from the second oil duct junction 9, stop pellet part 11 to flow out from the second oil duct junction 9, the diameter of the second oil duct junction 9 is less than the diameter of pellet part 11 simultaneously.
In specific embodiment of the utility model, not only structure is little, intensity is high for above-mentioned one-way valve, open after through-current capacity large, and its pressure reduction opened is little, the time is short.So just, make this one-way valve be applicable to the various oil circuits of stepless speed variator hydraulic valve.
In specific embodiment of the utility model, when closed check valve, pellet part 11 is positioned at the joint of the first hollow structure 5 and the second hollow structure 8, simultaneously one end of valve seat 4 and demarcation strip 2 fit, the effective sealing of stepless speed variator hydraulic valve can not only be ensured like this, the machining accuracy of mounting hole 3 can also be reduced.
In specific embodiment of the utility model, the first oil duct junction 6 and the second oil duct junction 9 are two oil duct junctions entering stepless speed variator hydraulic valve after oil pump pumps oil, are separated by above-mentioned one-way valve.When closed check valve, two oil duct junctions are independently; Pressure oil when one-way valve is opened in the first oil duct junction 6 can add in the second oil duct junction 9 and directly enter stepless speed variator hydraulic system.
Particularly, when the motor car engine slow-speed of revolution, oil pump pump oil mass is little, under the adjustment of flow control valve, the pressure of the first oil duct junction 6 raises, and when its pressure higher than the second oil duct junction 9, the pretightening force that pellet part 11 can overcome elastic member 10 is moved towards the second hollow structure 8, until pellet part 11 is positioned at the second hollow structure 8, namely one-way valve is in opening state.Now the pressure oil of the first oil duct junction 6 can enter the second oil duct junction 9 by valve seat 4 and guide sleeve 7, together for stepless speed variator hydraulic system provides oil.
When motor height rotating speed, because stepless speed variator hydraulic system only needs a part for oil pump pump oil mass, now through the adjustment of flow control valve, second oil duct junction 9 is stepless speed variator hydraulic system fuel feeding, first oil duct junction 6 emptying, simultaneously pellet part 11 is under the acting in conjunction of the pretightening force of elastic member 10 and the oil pressure of the second oil duct junction 9, moves to the joint of the first hollow structure 5 and the second hollow structure 8, i.e. closed check valve.
As from the foregoing, because above-mentioned one-way valve can close fast and open, make this one-way valve can not only be applicable to the various oil circuits of stepless speed variator hydraulic valve, the loss of energy in stepless speed variator hydraulic system can also be avoided.
Alternatively, in above-described embodiment of the present utility model, the quantity of the second oil duct junction 9 is 4.Be understandable that, in embodiment of the present utility model, do not limit the quantity of the second oil duct junction 9.
Alternatively, in above-described embodiment of the present utility model, elastic member 10 is spring, and pellet part 11 is steel ball.Be understandable that, in embodiment of the present utility model, do not limit the concrete structure of elastic member 10 and pellet part 11.
Of the present utility modelly embodiment still provides a kind of automobile, comprise above-mentioned stepless speed variator hydraulic valve.
The above is preferred implementation of the present utility model; should be understood that; for those skilled in the art; under the prerequisite not departing from principle described in the utility model; can also make some improvements and modifications, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (10)
1. a stepless speed variator hydraulic valve, comprise upper valve body (1) and demarcation strip (2), it is characterized in that, described upper valve body (1) is provided with a mounting hole (3), described stepless speed variator hydraulic valve also comprises an one-way valve, described one-way valve is positioned at described mounting hole (3), and described one-way valve comprises:
Valve seat (4), one end and the described demarcation strip (2) of described valve seat (4) fit, the middle part of described valve seat (4) is provided with the first hollow structure (5), and described first hollow structure (5) is connected with the first oil duct junction (6) be arranged on described demarcation strip (2);
Guide sleeve (7), one end of described guide sleeve (7) abuts with the other end of described valve seat (4), the middle part of described guide sleeve (7) is provided with the second hollow structure (8), and the sidewall of described guide sleeve (7) is provided with multiple second oil duct junction (9), wherein, described second hollow structure (8) is connected with described first hollow structure (5);
Elastic member (10), described elastic member (10) is positioned at described second hollow structure (8), and one end of described elastic member (10) abuts with the bottom surface of described mounting hole (3);
Pellet part (11), described pellet part (11) abuts with the other end of described elastic member (10); Wherein
When the motor car engine slow-speed of revolution, the pressure of the first oil duct junction (6) is greater than the pressure of the second oil duct junction (9), the pretightening force that described pellet part (11) overcomes described elastic member (10) is moved towards described second hollow structure (8), until described pellet part (11) is positioned at described second hollow structure (8); When motor car engine runs up, the pressure of described first oil duct junction (6) is less than the pressure of the second oil duct junction (9), described pellet part (11) moves towards described first hollow structure (5) under the effect of the pretightening force of described elastic member (10), until described pellet part (11) is positioned at the joint of described first hollow structure (5) and described second hollow structure (8).
2. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, the degree of depth of described mounting hole (3) is greater than the height summation of described valve seat (4) and guide sleeve (7).
3. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, the diameter of described pellet part (11) is greater than the diameter of described first hollow structure (5).
4. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, the diameter of described pellet part (11) is less than the diameter of described second hollow structure (8).
5. stepless speed variator hydraulic valve as claimed in claim 4, is characterized in that, the radial distance between described pellet part (11) surface and the sidewall of described guide sleeve (7) is 0.1 ~ 0.2mm.
6. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, the quantity of described second oil duct junction (9) is 4.
7. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, the diameter of described second oil duct junction (9) is less than the diameter of described pellet part (11).
8. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, described elastic member (10) is spring.
9. stepless speed variator hydraulic valve as claimed in claim 1, it is characterized in that, described pellet part (11) is steel ball.
10. an automobile, is characterized in that, comprises the stepless speed variator hydraulic valve as described in any one of claim 1 ~ 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235180.1U CN204553389U (en) | 2015-04-17 | 2015-04-17 | A kind of stepless speed variator hydraulic valve and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520235180.1U CN204553389U (en) | 2015-04-17 | 2015-04-17 | A kind of stepless speed variator hydraulic valve and automobile |
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| Publication Number | Publication Date |
|---|---|
| CN204553389U true CN204553389U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520235180.1U Expired - Fee Related CN204553389U (en) | 2015-04-17 | 2015-04-17 | A kind of stepless speed variator hydraulic valve and automobile |
Country Status (1)
| Country | Link |
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| CN (1) | CN204553389U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764377A (en) * | 2017-03-13 | 2017-05-31 | 成都中车电机有限公司 | A kind of unidirectional grease automatic releasing device |
| CN107631026A (en) * | 2017-10-25 | 2018-01-26 | 中国第汽车股份有限公司 | The safety valve and screen pack integrating device of hydraulic control valve plate |
-
2015
- 2015-04-17 CN CN201520235180.1U patent/CN204553389U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106764377A (en) * | 2017-03-13 | 2017-05-31 | 成都中车电机有限公司 | A kind of unidirectional grease automatic releasing device |
| CN107631026A (en) * | 2017-10-25 | 2018-01-26 | 中国第汽车股份有限公司 | The safety valve and screen pack integrating device of hydraulic control valve plate |
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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: 20150812 |