CN216519463U - Hydraulic torque converter with press-fitting structure - Google Patents
Hydraulic torque converter with press-fitting structure Download PDFInfo
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- CN216519463U CN216519463U CN202122657157.XU CN202122657157U CN216519463U CN 216519463 U CN216519463 U CN 216519463U CN 202122657157 U CN202122657157 U CN 202122657157U CN 216519463 U CN216519463 U CN 216519463U
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Abstract
The utility model discloses a hydraulic torque converter with a press-fitting structure, which comprises a pump impeller assembly, a guide wheel assembly, a turbine assembly, a locking clutch assembly and a cover assembly. A plurality of rectangular shifting forks I are arranged at the edge of the pump wheel assembly at intervals. A plurality of rectangular shifting forks II are arranged at the edge of the cover assembly at intervals, and a plurality of rectangular grooves are formed in the rectangular shifting forks II. The edge of the pump wheel assembly is butted with the edge of the cover assembly, the rectangular shifting forks I correspond to the rectangular grooves respectively, the free ends of the rectangular shifting forks I are bent towards the direction of the cover assembly and penetrate through the rectangular grooves to be riveted on the outer wall of the cover assembly, and the free ends of the rectangular shifting forks II are bent towards the direction of the pump wheel assembly and are riveted on the outer wall of the pump wheel assembly. Aiming at the defects of the connection mode of the pump wheel assembly and the cover assembly of the existing hydraulic torque converter, the utility model provides the hydraulic torque converter for the automobile, which has a simple structure, can connect the pump wheel assembly and the cover assembly in a press-fitting mode, and avoids the problem of overlarge thermal deformation of the pump wheel assembly and the cover assembly after welding.
Description
Technical Field
The utility model relates to the technical field of manufacturing and processing of a hydraulic torque converter, in particular to a hydraulic torque converter with a press-fitting structure.
Background
The hydraulic torque converter of the automobile is a key part applied to automatic transmission cars of AT, CVT and other types, and smoothly transmits the torque of an engine to an automatic transmission by utilizing the flow of liquid. The inside of the hydraulic torque converter is composed of a plurality of parts, wherein the parts are filled with transmission oil of the automatic transmission and are arranged between the engine and the automatic transmission. At present, a single-stage double-phase three-element locking type comprehensive hydraulic torque converter consisting of a pump wheel assembly, a turbine assembly, a guide wheel assembly, a cover assembly and a locking clutch assembly is widely adopted on a car. The pump wheel assembly is a driving part, is fixedly connected with the cover assembly into a whole and is connected with the flywheel to convert mechanical energy into liquid energy, and guides the liquid to impact the turbine blades so as to drive the turbine blades to rotate and realize the conversion of the liquid energy into the mechanical energy.
The pump wheel assembly and the cover assembly of the existing hydraulic torque converter are welded and connected by gas shielded welding. Wherein: the pump wheel assembly and the cover assembly are matched through the outer diameter of the welding seam allowance, and are welded and connected in a gas shielded welding mode at the matched diameter. The main disadvantages of this connection are: the thermal deformation after welding is too large and poor welding may result in leakage.
Disclosure of Invention
The utility model aims to provide a hydraulic torque converter with a press-fitting structure, which aims to solve the problems in the prior art.
The technical scheme adopted for achieving the purpose of the utility model is that the hydraulic torque converter with the press-fitting structure comprises a pump wheel assembly, a guide wheel assembly, a turbine assembly, a locking clutch assembly and a cover assembly.
The edge of pump wheel assembly is equipped with a plurality of rectangle shift forks I, and a plurality of rectangle shift forks I are arranged along the circumference of pump wheel assembly equidistant.
The edge of lid assembly is equipped with a plurality of rectangle shift forks II, and a plurality of rectangle shift forks II are arranged along the circumference of lid assembly equidistant.
A plurality of rectangular shifting forks II form with I size assorted a plurality of rectangular channels of rectangular shifting forks, the rectangular channel is the same with the quantity of rectangular shifting forks I.
The edge of the pump wheel assembly is butted with the edge of the cover assembly, the rectangular shifting forks I correspond to the rectangular grooves respectively, the free ends of the rectangular shifting forks I are bent towards the direction of the cover assembly and penetrate through the rectangular grooves to be riveted on the outer wall of the cover assembly, and the free ends of the rectangular shifting forks II are bent towards the direction of the pump wheel assembly and are riveted on the outer wall of the pump wheel assembly.
Furthermore, an annular groove is arranged on the contact surface of the cover assembly and the pump wheel assembly, the axis of the annular groove is overlapped with the axis of the cover assembly, and an annular sealing ring is arranged in the annular groove.
Further, the guide wheel assembly, the turbine assembly and the locking clutch assembly are located in a cavity formed by connecting the pump wheel assembly and the cover assembly.
The utility model has the beneficial effects that: aiming at the defects of the connection mode of the pump wheel assembly and the cover assembly of the existing hydraulic torque converter, the utility model provides the automobile hydraulic torque converter which is simple in structure, can be used for connecting the pump wheel assembly and the cover assembly in a press-fitting mode, avoids the problem of overlarge thermal deformation of the pump wheel assembly and the cover assembly after welding, and enhances the sealing performance after press-fitting due to the design of the annular sealing ring.
Drawings
FIG. 1 is a cross-sectional view of a torque converter according to the present invention;
fig. 2 is a sectional view of a conventional automotive torque converter.
FIG. 3 is a schematic view of the pump wheel assembly of the present invention;
FIG. 4 is a schematic view of the cover assembly of the present invention.
FIG. 5 is a three-dimensional view of a torque converter press-fit process according to the present invention;
FIG. 6 is a three-dimensional view of a torque converter according to the present invention as assembled.
In the figure: the device comprises a pump wheel assembly 1, a rectangular shifting fork I101, a guide wheel assembly 2, a turbine assembly 5, a locking clutch assembly 6, a cover assembly 7, a rectangular shifting fork II 701, a rectangular groove 702 and an annular sealing ring 703.
Detailed Description
The present invention is further illustrated by the following examples, but it should not be construed that the scope of the above-described subject matter is limited to the following examples. Various substitutions and alterations can be made without departing from the technical idea of the utility model and the scope of the utility model is covered by the present invention according to the common technical knowledge and the conventional means in the field.
Referring to fig. 2, a pump impeller assembly and a cover assembly of a conventional torque converter are in outer diameter fit through a welding spigot, and are welded and connected in a gas shielded welding mode at the fit diameter, so that thermal deformation is too large after welding, and leakage may be caused due to poor welding.
In order to solve the above problems, the present embodiment discloses a hydraulic torque converter with a press-fitting structure, which includes a pump impeller assembly 1, a guide pulley assembly 2, a turbine assembly 5, a lockup clutch assembly 6, and a cover assembly 7.
Referring to fig. 3, a plurality of rectangular shifting forks I101 are arranged at the edge of the pump wheel assembly 1, and the rectangular shifting forks I101 are arranged at equal intervals along the circumferential direction of the pump wheel assembly 1.
Referring to fig. 4, a plurality of rectangular shifting forks ii 701 are disposed at the edge of the cover assembly 7, and the rectangular shifting forks ii 701 are arranged at equal intervals along the circumferential direction of the cover assembly 7.
A plurality of rectangular shifting forks II 701 form with I101 of rectangular shifting fork a plurality of rectangular grooves 702 of size assorted, rectangular groove 702 is the same with the quantity of I101 of rectangular shifting fork.
Referring to fig. 5, the edge of the pump wheel assembly 1 is butted with the edge of the cover assembly 7, the rectangular shifting forks i 101 correspond to the rectangular grooves 702, the free ends of the rectangular shifting forks i 101 are bent towards the cover assembly 7 and penetrate through the rectangular grooves 702 to be riveted on the outer wall of the cover assembly 7, and the free ends of the rectangular shifting forks ii 701 are bent towards the pump wheel assembly 1 and are riveted on the outer wall of the pump wheel assembly 1.
Referring to fig. 1, an annular groove is formed in the contact surface of the cover assembly 7 and the pump wheel assembly 1, the axis of the annular groove coincides with the axis of the cover assembly 7, and an annular sealing ring 703 is installed in the annular groove, so that the sealing performance can be ensured.
Referring to fig. 1, the stator assembly 2, the turbine assembly 5 and the lockup clutch assembly 6 are located in a cavity formed by the connection of the pump assembly 1 and the cover assembly 7.
Claims (3)
1. The utility model provides a torque converter of pressure equipment structure which characterized in that: comprises a pump wheel assembly (1), a guide wheel assembly (2), a turbine assembly (5), a locking clutch assembly (6) and a cover assembly (7);
the edge of the pump wheel assembly (1) is provided with a plurality of rectangular shifting forks I (101), and the rectangular shifting forks I (101) are arranged at equal intervals along the circumferential direction of the pump wheel assembly (1);
a plurality of rectangular shifting forks II (701) are arranged at the edge of the cover assembly (7), and the rectangular shifting forks II (701) are arranged at equal intervals along the circumferential direction of the cover assembly (7);
the rectangular shifting forks II (701) form rectangular grooves (702) matched with the rectangular shifting forks I (101) in size, and the number of the rectangular grooves (702) is the same as that of the rectangular shifting forks I (101);
the edge of pump wheel assembly (1) and the edge butt joint of lid assembly (7), a plurality of rectangle shift fork I (101) are corresponding with a plurality of rectangular channel (702) respectively, and the free end of rectangle shift fork I (101) is buckled and is passed behind rectangular channel (702) and riveted on lid assembly (7) outer wall to lid assembly (7) direction, and the free end of rectangle shift fork II (701) is buckled and is riveted on the outer wall of pump wheel assembly (1) to pump wheel assembly (1) direction.
2. A torque converter of a press-fitting structure according to claim 1, wherein: an annular groove is formed in the contact surface of the cover assembly (7) and the pump wheel assembly (1), the axis of the annular groove is overlapped with the axis of the cover assembly (7), and an annular sealing ring (703) is installed in the annular groove.
3. A torque converter of a press-fitting structure according to claim 1, wherein: the guide wheel assembly (2), the turbine assembly (5) and the locking clutch assembly (6) are positioned in a cavity formed by connecting the pump wheel assembly (1) and the cover assembly (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122657157.XU CN216519463U (en) | 2021-11-02 | 2021-11-02 | Hydraulic torque converter with press-fitting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122657157.XU CN216519463U (en) | 2021-11-02 | 2021-11-02 | Hydraulic torque converter with press-fitting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216519463U true CN216519463U (en) | 2022-05-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122657157.XU Active CN216519463U (en) | 2021-11-02 | 2021-11-02 | Hydraulic torque converter with press-fitting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216519463U (en) |
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2021
- 2021-11-02 CN CN202122657157.XU patent/CN216519463U/en active Active
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