CN209430749U - A kind of improvement structure for selecting actuator leakage of putting into gear - Google Patents
A kind of improvement structure for selecting actuator leakage of putting into gear Download PDFInfo
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- CN209430749U CN209430749U CN201822053776.6U CN201822053776U CN209430749U CN 209430749 U CN209430749 U CN 209430749U CN 201822053776 U CN201822053776 U CN 201822053776U CN 209430749 U CN209430749 U CN 209430749U
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- putting
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Abstract
The utility model discloses a kind of improvement structure for selecting actuator of putting into gear to leak, comprising: selects actuator valve body of putting into gear, described to select formation accommodating cavity in actuator valve body of putting into gear, the inside for selecting actuator valve body of putting into gear is formed with oil duct；It puts into gear piston, the piston of putting into gear is movably arranged in the accommodating cavity, the both ends of the piston of putting into gear are folded with lip-type packing and O-ring seal between actuator valve body of putting into gear with described select respectively respectively, it is described to put into gear piston and the choosing puts into gear and is formed with two grooves between actuator valve body, two grooves are located between the lip-type packing and the O-ring seal of the same end of the piston of putting into gear, and two grooves are connected to the oil duct.The utility model enables the hydraulic oil after leakage to be recycled in oil can that outside will not be flowed to.
Description
Technical field
The utility model relates to the technical field of hydraulic system more particularly to a kind of improvement knots for selecting actuator leakage of putting into gear
Structure.
Background technique
Actuator of putting into gear is selected to be the realization vehicle block selecting of the hydraulic actuating mechanism applied to auto-manual function and put into gear dynamic
Make the part of function；Piston is mainly put into gear by actuator and choosing and sealing element forms；Wherein during putting into gear, actuator valve
Intracorporal piston of putting into gear can move back and forth under the action of hydraulic coupling, and realization is that odd number gear another side is that even number gear is put into gear on one side
Movement.
Fig. 1 is that a kind of traditional choosing is put into gear the overall structure diagram of actuator, shown in Figure 1, in the prior art,
Hydraulic fluid chamber 13 is formed in actuator valve body 11, the both ends for piston 12 of the putting into gear sandwiched between the cavity wall of hydraulic fluid chamber 13 respectively
Have lip-type packing 14, during entire durable, according to the principle of dynamic sealing, put into gear piston 12 in actuator valve body 11
In moving back and forth under hydraulic action, hydraulic oil can be between the cavity wall of 11 inner cavity of lip and actuator valve body of lip-type packing 14
Oil film is formed, since the effect of pressure difference is oozed out, process is durable for the oil film at 14 edge of lip-type packing, puts into gear actuator valve in choosing
The leakage hydraulic oil that will appear visual certain volume outside body 11, especially under truck applications environment, durability times are riding
Twice of vehicle, leakage rate is also increase accordingly.
Summary of the invention
It selects actuator of putting into gear to will appear the above problem existing for leakage hydraulic oil for existing, one kind is now provided and is intended to energy
Enough prevent the choosing of hydraulic fluid leak put into gear actuator leakage improvement structure.
Specific technical solution is as follows:
A kind of improvement structure for selecting actuator leakage of putting into gear, comprising: actuator valve body of putting into gear is selected, it is described to select actuator of putting into gear
Accommodating cavity is formed in valve body, the inside for selecting actuator valve body of putting into gear is formed with oil duct；
Put into gear piston, the piston of putting into gear is movably arranged in the accommodating cavity, the both ends of the piston of putting into gear respectively with institute
It states choosing and puts into gear and be folded with lip-type packing and O-ring seal between actuator valve body respectively, piston and the choosing extension of putting into gear
Two grooves are formed between gear actuator valve body, two grooves are located at the lip shape of the same end of the piston of putting into gear
Between sealing ring and the O-ring seal, two grooves are connected to the oil duct.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein put into gear described in the same end of piston positioned at described
The direction of lip-type packing and the O-ring seal successively along the end of the piston of putting into gear to the middle part of the piston of putting into gear is set
It sets.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein every one end of the piston of putting into gear and the choosing extension
One first annular groove and one second annular groove are respectively formed between gear actuator valve body, the lip-type packing is set to first ring
In slot, the O-ring seal is set in second annular groove.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein put into gear described in the same end of piston positioned at described
First annular groove, the groove and second annular groove are successively along the end of the piston of putting into gear to the middle part of the piston of putting into gear
Direction setting.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein two first annular grooves, two grooves and two institutes
It states the second annular groove and is set to the choosing actuator valve body of putting into gear and be located on the peripheral wall of the accommodating cavity.
Above-mentioned choosing is put into gear the improvement structure of actuator leakage, wherein further includes oil can, the oil duct and the oil can connect
It is logical.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein the accommodating cavity include be sequentially communicated first hold
Slot, the second accommodation groove and third accommodation groove are set, second accommodation groove selects the external of actuator valve body of putting into gear to be connected to described, institute
The one end for stating piston of putting into gear is movably arranged in first accommodation groove, and the other end of the piston of putting into gear is movably arranged at the third
In accommodation groove.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein one end of the piston of putting into gear and it is described first hold
Set and be folded with a lip-type packing and an O-ring seal between the peripheral wall of slot, the other end of the piston of putting into gear with
Another lip-type packing and another O-ring seal are folded between the peripheral wall of the third accommodation groove.
Above-mentioned choosing put into gear actuator leakage improvement structure, wherein the groove be set to first accommodation groove week
On wall, another groove is set on the peripheral wall of the third accommodation groove.
The good effect that above-mentioned technical proposal has compared with prior art is:
The utility model is putting into gear piston and choosing puts into gear and is formed with two grooves between actuator valve body, puts into gear actuator in choosing
The inside of valve body forms oil duct, and by the connection of oil duct and groove, there are pressure differences for the oil film at lip-type packing edge, durable
Later the hydraulic oil leaked enters in groove, and oil duct is connected with the oil can of hydraulic system, enable leakage after hydraulic oil
It is recycled in oil can.
Detailed description of the invention
Fig. 1 is that a kind of traditional choosing is put into gear the overall structure diagram of actuator；
Fig. 2 is a kind of overall structure diagram for the improvement structure for selecting actuator leakage of putting into gear of the present invention；
In attached drawing: 1, selecting actuator valve body of putting into gear；2, it puts into gear piston；3, accommodating cavity；4, lip-type packing；5, O-shaped sealing
Circle；6, groove；7, the first accommodation groove；8, the second accommodation groove；9, third accommodation groove；11, actuator valve body；12, it puts into gear piston；
13, hydraulic fluid chamber；14, lip-type packing.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, but not as the utility model
It limits.
Fig. 2 is a kind of overall structure diagram for the improvement structure for selecting actuator leakage of putting into gear of the present invention, as shown in Fig. 2,
The choosing for showing a kind of preferred embodiment is put into gear the improvement structure of actuator leakage, comprising: choosing is put into gear actuator valve body 1, and choosing is hung
It keeps off and forms accommodating cavity 3 in actuator valve body 1, the inside for actuator valve body 1 of putting into gear is selected to be formed with oil duct (not shown).
Further, as a kind of preferred embodiment, the improvement structure for actuator leakage of putting into gear is selected further include: piston of putting into gear
2, piston 2 of putting into gear is movably arranged in accommodating cavity 3, and the both ends for piston 2 of putting into gear are put into gear with choosing respectively to press from both sides respectively between actuator valve body 1
Equipped with lip-type packing 4 and O-ring seal 5, puts into gear piston 2 and choosing puts into gear and is formed with two grooves 6 between actuator valve body 1, two
Groove 6 is located between the lip-type packing 4 and O-ring seal 5 of the same end for piston 2 of putting into gear, and two grooves 6 are and oil duct
Connection.
Further, as a kind of preferred embodiment, positioned at the lip-type packing 4 of the same end for piston 2 of putting into gear and O-shaped close
Seal 5 is successively along the direction setting at end to the middle part for piston 2 of putting into gear for piston 2 of putting into gear.
Further, as a kind of preferred embodiment, the every one end for piston 2 of putting into gear and choosing are put into gear between actuator valve body 1
It is respectively formed with one first annular groove and one second annular groove, lip-type packing 4 is set in the first annular groove, and O-ring seal 5 is set to second
In annular groove.
Further, as a kind of preferred embodiment, positioned at first annular groove of the same end for piston 2 of putting into gear, groove 6 and
Two annular grooves are successively along the direction setting at end to the middle part for piston 2 of putting into gear for piston 2 of putting into gear.
Further, as a kind of preferred embodiment, two first annular grooves, two grooves 6 and two second annular grooves are set to choosing and hang
Gear actuator valve body 1 is located on the peripheral wall of accommodating cavity 3.
Further, as a kind of preferred embodiment, selecting the improvement structure for actuator leakage of putting into gear further includes oil can (in figure
It is not shown), oil duct is connected to oil can.
The above is only the utility model preferred embodiments, are not intended to limit the embodiments of the present invention and protection
Range.
The utility model also has on the basis of the above is implemented as follows mode:
In the further embodiment of the utility model, continuing with shown in Figure 2, accommodating cavity 3 includes the be sequentially communicated
One accommodation groove 7, the second accommodation groove 8 and third accommodation groove 9, the second accommodation groove 8 are connected to the external of actuator valve body 1 of putting into gear is selected,
Put into gear one end of piston 2 is movably arranged in the first accommodation groove 7, and the other end for piston 2 of putting into gear is movably arranged in third accommodation groove 9.
In the further embodiment of the utility model, sandwiched between the one end for piston 2 of putting into gear and the peripheral wall of the first accommodation groove 7
There are a lip-type packing 4 and an O-ring seal 5, is folded between the other end for piston 2 of putting into gear and the peripheral wall of third accommodation groove 9
Another lip-type packing 4 and another O-ring seal 5.
In the further embodiment of the utility model, groove 6 is set on the peripheral wall of the first accommodation groove 7, and another groove 6 is set to
On the peripheral wall of third accommodation groove 9.
The utility model is putting into gear piston 2 and choosing puts into gear and is formed with two grooves 6 and two O-shaped sealings between actuator valve body 1
Circle 5 forms oil duct in the inside for selecting actuator valve body 1 of putting into gear, passes through the connection of oil duct and groove 6,4 edge of lip-type packing
Oil film there are pressure difference, enter in groove 6 in the durable hydraulic oil leaked later, oil duct is connected with the oil can of hydraulic system
It is logical, the hydraulic oil after leakage is recycled in oil can, the liquid gathered in groove 6 is enabled to by O sealing ring 5
Pressure oil is sealed, so that outside will not be flowed to.
The foregoing is merely the utility model preferred embodiment, be not intended to limit the embodiments of the present invention and
Protection scope should can appreciate that all in the utility model specification and diagram to those skilled in the art
Hold made equivalent replacement and obviously change obtained scheme, the protection model of the utility model should all be included in
In enclosing.
Claims (9)
- The improvement structure of actuator leakage 1. a kind of choosing is put into gear characterized by comprisingActuator valve body of putting into gear is selected, described select forms accommodating cavity in actuator valve body of putting into gear, described to select actuator valve body of putting into gear Inside is formed with oil duct；Put into gear piston, the piston of putting into gear is movably arranged in the accommodating cavity, the both ends of the piston of putting into gear respectively with the choosing It puts into gear and is folded with lip-type packing and O-ring seal between actuator valve body respectively, the piston of putting into gear is put into gear with the choosing to be held Two grooves are formed between row device valve body, two grooves are located at the lip packing of the same end of the piston of putting into gear Between circle and the O-ring seal, two grooves are connected to the oil duct.
- 2. selecting the improvement structure for actuator leakage of putting into gear according to claim 1, which is characterized in that positioned at the piston of putting into gear The same end the lip-type packing and the O-ring seal successively along the end of the piston of putting into gear to the piston of putting into gear Middle part direction setting.
- 3. according to claim 2 choosing put into gear actuator leakage improvement structure, which is characterized in that the piston of putting into gear it is every One end and described select are respectively formed with one first annular groove and one second annular groove, the lip-type packing between actuator valve body of putting into gear In first annular groove, the O-ring seal is set in second annular groove.
- 4. selecting the improvement structure for actuator leakage of putting into gear according to claim 3, which is characterized in that positioned at the piston of putting into gear The same end first annular groove, the groove and second annular groove successively along the end of the piston of putting into gear to the extension Keep off the direction setting at the middle part of piston.
- 5. selecting the improvement structure for actuator leakage of putting into gear according to claim 4, which is characterized in that two first annular grooves, Two grooves and two second annular grooves are set to the choosing actuator valve body of putting into gear and are located on the peripheral wall of the accommodating cavity.
- 6. selecting the improvement structure for actuator leakage of putting into gear according to claim 1, which is characterized in that it further include oil can, it is described Oil duct is connected to the oil can.
- 7. according to claim 5 choosing put into gear actuator leakage improvement structure, which is characterized in that the accommodating cavity include according to The first accommodation groove, the second accommodation groove and the third accommodation groove of secondary connection, second accommodation groove select actuator valve of putting into gear with described The external connection of body, one end of the piston of putting into gear are movably arranged in first accommodation groove, the other end of the piston of putting into gear It is movably arranged in the third accommodation groove.
- 8. selecting the improvement structure for actuator leakage of putting into gear according to claim 7, which is characterized in that the one of the piston of putting into gear It is folded with a lip-type packing and an O-ring seal between end and the peripheral wall of first accommodation groove, it is described to put into gear Another lip-type packing and another described O-shaped close is folded between the other end of piston and the peripheral wall of the third accommodation groove Seal.
- 9. selecting the improvement structure for actuator leakage of putting into gear according to claim 8, which is characterized in that the groove is set to described On the peripheral wall of first accommodation groove, another groove is set on the peripheral wall of the third accommodation groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053776.6U CN209430749U (en) | 2018-12-07 | 2018-12-07 | A kind of improvement structure for selecting actuator leakage of putting into gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822053776.6U CN209430749U (en) | 2018-12-07 | 2018-12-07 | A kind of improvement structure for selecting actuator leakage of putting into gear |
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| Publication Number | Publication Date |
|---|---|
| CN209430749U true CN209430749U (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822053776.6U Active CN209430749U (en) | 2018-12-07 | 2018-12-07 | A kind of improvement structure for selecting actuator leakage of putting into gear |
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| CN (1) | CN209430749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505971A (en) * | 2018-12-07 | 2019-03-22 | 上海上汽马瑞利动力总成有限公司 | A kind of improvement structure for selecting actuator leakage of putting into gear |
-
2018
- 2018-12-07 CN CN201822053776.6U patent/CN209430749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109505971A (en) * | 2018-12-07 | 2019-03-22 | 上海上汽马瑞利动力总成有限公司 | A kind of improvement structure for selecting actuator leakage of putting into gear |
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