CN215172197U - Continuous pressing unit of transmission - Google Patents
Continuous pressing unit of transmission Download PDFInfo
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- CN215172197U CN215172197U CN202121260589.0U CN202121260589U CN215172197U CN 215172197 U CN215172197 U CN 215172197U CN 202121260589 U CN202121260589 U CN 202121260589U CN 215172197 U CN215172197 U CN 215172197U
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- valve body
- pressure
- oil inlet
- oil
- annular element
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Abstract
The utility model relates to a continuous pressure unit of derailleur, including valve body and continuous depressor, valve body and continuous depressor threaded connection form the oil pocket, the valve body bottom sets up the oil inlet, the oil inlet communicates the oil pocket, the valve body bottom still sets up the fixed orifices; the annular element is matched with the bottom in the valve body, a first sealing gasket is arranged between the annular element and the bottom of the valve body, and a second sealing gasket is arranged between the annular element and the pressure accumulator; the annular element is provided with an annular boss matched with the pressure accumulator, the annular boss is provided with a connecting hole corresponding to the fixing hole, an oil inlet through hole corresponding to the oil inlet is formed, a new oil cavity is formed by the annular boss, the bottom of the valve body and the pressure accumulator, and the volume of the new oil cavity is smaller than that of the oil cavity formed by the valve body and the pressure accumulator. The utility model prolongs the service life of the pressure continuing device and the matched valve body; the replacement cost of parts is reduced, and the resource waste is reduced.
Description
Technical Field
The utility model belongs to the technical field of mechanical design and car device, concretely relates to continuation of derailleur presses unit.
Background
In the use process of some automobiles, the fact that the automobiles have faults of gear shifting difficulty, abnormal sound and the like when the automobiles run for about eighty thousand kilometers is found, and the condition that oil seeps from the bottom end of a transmission can be generally diagnosed as the damage of a continuous pressure unit of the transmission. The continuous pressure unit is a component of the electromechanical control system of the transmission, and the valve body has cracks and other faults due to the fact that the high-pressure hydraulic oil generates pulse cyclic variable stress on the thin wall of the valve body of the continuous pressure unit for a long time, and hidden dangers are caused to the life safety of members on the vehicle. The prior art is to replace the whole valve body assembly, but the subsequent problems can not be guaranteed to occur again, namely the problems can not be solved fundamentally, so far, no proper pressure continuing unit improvement scheme exists, and the traditional method for replacing the valve body is still used as the main method, so that the resource waste is caused.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a continuous unit of pressing of derailleur.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a continuous pressure unit of a transmission comprises a valve body and a continuous pressure device, wherein the valve body and the continuous pressure device are in threaded connection to form an oil cavity, the bottom of the valve body is provided with an oil inlet, the oil inlet is communicated with the oil cavity, and the bottom of the valve body is also provided with a fixing hole; the annular element is matched with the bottom in the valve body, a first sealing gasket is arranged between the annular element and the bottom of the valve body, and a second sealing gasket is arranged between the annular element and the pressure accumulator; the annular element is provided with an annular boss matched with the pressure accumulator, the annular boss is provided with a connecting hole corresponding to the fixing hole, an oil inlet through hole corresponding to the oil inlet is formed, a new oil cavity is formed by the annular boss, the bottom of the valve body and the pressure accumulator, and the volume of the new oil cavity is smaller than that of the oil cavity formed by the valve body and the pressure accumulator.
Further, the annular boss is provided with a U-shaped groove which is opened towards the inner side annular surface, and the oil inlet through hole is formed in the U-shaped groove.
Further, the oil inlet through hole is a U-shaped through groove for communicating the oil inlet with the new oil cavity.
Further, the annular element is in clearance fit with the bottom of the valve body, and the annular boss is in clearance fit with the pressure continuing device.
Description of the principle: the utility model discloses a key point lies in, through increasing cyclic annular component, sealed pad one and sealed pad two, found new oil pocket for fluid gets into the in-process that continues the depressor, no longer contacts with the valve body and the threaded connection department of continuing the electrical apparatus, avoids carrying out stress damage to it and makes its fracture, has prolonged the life of valve body greatly, thereby has prolonged the life of continuing depressor and unit.
Has the advantages that: the utility model adds the annular element with simple structure and low cost, thus prolonging the service life of the pressure continuing device and the matched valve body; when the pressure-sustaining device needs to be replaced, only the annular element and the sealing gasket thereof are needed, and the pressure-sustaining device and the matched valve body thereof do not need to be replaced, so that the replacement cost of parts is reduced, and the waste of resources is reduced.
Drawings
FIG. 1 is a schematic view of an overall matching structure of a continuous pressing unit;
FIG. 2 is a schematic front view of a ring element;
FIG. 3 is a left side view of the ring member;
FIG. 4 is a schematic perspective view of the valve body;
FIG. 5 is a schematic bottom view of the valve body;
in the figure, the pressure-sustaining device 1, the annular element 2, the connecting hole 21, the oil inlet through hole 22, the valve body 3, the fixing hole 31 and the oil inlet 32.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 to 5 show a continuous pressure unit of a transmission, which comprises a valve body 3 and a continuous pressure device 1, wherein the valve body 3 and the continuous pressure device 1 are in threaded connection and form an oil cavity, the bottom of the valve body 3 is provided with an oil inlet 32, the oil inlet 32 is communicated with the oil cavity, and the bottom of the valve body 3 is further provided with a fixing hole 31; the pressure-sustaining device also comprises an annular element 2, wherein the annular element 2 is matched with the bottom in the valve body 3, a first sealing gasket is arranged between the annular element 2 and the bottom of the valve body 3, and a second sealing gasket is arranged between the annular element 2 and the pressure-sustaining device 1; the annular element 2 is provided with an annular boss matched with the pressure compensator 1, the annular boss is provided with a connecting hole 21 corresponding to the fixing hole 31, a bolt or a screw penetrates through the connecting hole 21 and the fixing hole 31 to connect the annular element 2 and the valve body 3 with the transmission, an oil inlet through hole 22 corresponding to the oil inlet 32 is arranged, a new oil cavity is formed by the annular boss, the bottom of the valve body 3 and the pressure compensator 1, and the volume of the new oil cavity is smaller than that of the oil cavity formed by the valve body 3 and the pressure compensator 1.
The annular boss is provided with a U-shaped groove which is open towards the inner annular surface, the oil inlet through hole 22 is arranged in the U-shaped groove, and oil directly enters a new oil cavity through the oil inlet 32, the oil inlet through hole 22 and the U-shaped groove.
The oil inlet through hole 22 is a U-shaped through groove for communicating the oil inlet 32 with the new oil chamber, and oil directly enters the new oil chamber through the oil inlet 32 and the U-shaped through groove.
The annular element 2 is in clearance fit with the bottom of the valve body 3, and the annular boss is in clearance fit with the pressure continuing device 1.
Description of the principle: the utility model discloses a key point lies in, through increasing annular element 2, sealed pad one and sealed pad two, found new oil pocket for fluid gets into the in-process that continues depressor 1, no longer contacts with valve body 3 and the threaded connection department of continuing the electrical apparatus, avoids carrying out stress damage to it and makes its fracture, has prolonged valve body 3's life greatly, thereby has prolonged the life who continues depressor 1 and unit.
The utility model has the advantages that: the utility model adds the annular element 2 with simple structure and low cost, thus prolonging the service life of the pressure continuing device 1 and the matching valve body 3; when the pressure-sustaining device needs to be replaced, only the annular element 2 and the sealing gasket thereof are needed, and the pressure-sustaining device 1 and the matched valve body 3 thereof do not need to be replaced, so that the replacement cost of parts is reduced, and the waste of resources is reduced.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (4)
1. A continuous pressure unit of a transmission comprises a valve body and a continuous pressure device, wherein the valve body and the continuous pressure device are in threaded connection to form an oil cavity, the bottom of the valve body is provided with an oil inlet, the oil inlet is communicated with the oil cavity, and the bottom of the valve body is also provided with a fixing hole; the pressure-sustaining device is characterized by further comprising an annular element, wherein the annular element is matched with the bottom in the valve body, a first sealing gasket is arranged between the annular element and the bottom of the valve body, and a second sealing gasket is arranged between the annular element and the pressure-sustaining device; the annular element is provided with an annular boss matched with the pressure accumulator, the annular boss is provided with a connecting hole corresponding to the fixing hole, an oil inlet through hole corresponding to the oil inlet is formed, a new oil cavity is formed by the annular boss, the bottom of the valve body and the pressure accumulator, and the volume of the new oil cavity is smaller than that of the oil cavity formed by the valve body and the pressure accumulator.
2. The continuous pressing unit of the transmission according to claim 1, wherein the annular boss is provided with a U-shaped groove opened to an inner annular surface, and the oil inlet through hole is provided in the U-shaped groove.
3. The continuous pressure unit of the transmission of claim 1, wherein the oil inlet through hole is a U-shaped through groove communicating the oil inlet and the new oil chamber.
4. The variator pressure sustaining unit of claim 1, wherein the annular element is clearance-fitted to the valve body bottom and the annular boss is clearance-fitted within the pressure sustaining device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121260589.0U CN215172197U (en) | 2021-06-07 | 2021-06-07 | Continuous pressing unit of transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121260589.0U CN215172197U (en) | 2021-06-07 | 2021-06-07 | Continuous pressing unit of transmission |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215172197U true CN215172197U (en) | 2021-12-14 |
Family
ID=79390889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121260589.0U Active CN215172197U (en) | 2021-06-07 | 2021-06-07 | Continuous pressing unit of transmission |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215172197U (en) |
-
2021
- 2021-06-07 CN CN202121260589.0U patent/CN215172197U/en active Active
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