Built-in outlet valve of connected torque converter

Abstract

The built-in outlet valve comprises a valve hole, a connecting hole communicated with the valve hole is formed in one end of the valve hole, an oil outlet channel communicated with the valve hole is formed in the side portion of the valve hole, and the valve hole, the connecting hole and the oil outlet channel are all formed in a torque converter shell. A cone valve element, a cone spring and a screwed plug are installed in the valve hole. A guide wheel seat is fixedly installed in the torque converter shell and is composed of a flange plate and a cylinder section which are integrally formed, an oil inlet hole and an oil outlet hole are formed in the flange plate and are both communicated with the interior of the guide wheel seat, and the oil outlet hole is communicated with the connecting hole. According to the built-in outlet valve of the connected torque converter, the purpose of pressurization is achieved through a built-in structure, the needed installation space can be saved, and the built-in outlet valve is simple and reasonable in structure and easy to maintain.

Description

Technical Field

[0001] The utility model relates to an integral torque converter with an internal outlet valve, belonging to the technical field of torque converters. Background Art

[0002] A hydrodynamic torque converter is a hydrodynamic element composed of a pump impeller, a turbine, and a stator. It is installed between the engine and the transmission, uses hydraulic oil as the working medium, and plays the roles of transmitting torque, torque conversion, speed change, and clutch. The pump impeller is connected to the driving shaft and can convert the mechanical energy input by the driving shaft into the kinetic energy and head of the liquid by the action of centrifugal force for the turbine to do work; the turbine is connected to the driven shaft and can output the energy contained in the kinetic energy and head of the liquid from the driven shaft. The stator seat is an important fixing part of the stator in the hydrodynamic torque converter and is the installation base seat of the stator. Currently, an oil inlet hole and an oil outlet hole are provided on the stator seat, and the oil inlet hole and the oil outlet hole are respectively communicated with an oil inlet passage and an oil outlet passage provided on the torque converter housing to form an oil circuit structure.

[0003] In order to ensure a certain back pressure when the hydrodynamic torque converter is working and give full play to the performance of the hydrodynamic torque converter, an outlet valve needs to be installed on the outlet oil circuit of the torque converter housing. The outlet valve in the prior art is located outside the torque converter housing, has a large external dimension, resulting in a large installation space occupied, and generally has the problems of complex structure and inconvenient maintenance.

[0004] In summary, the prior art obviously has inconveniences and defects in actual use, so it is necessary to improve. Content of the Utility Model

[0005] Aiming at the deficiencies in the background art, the utility model provides an integral torque converter with an internal outlet valve, which can achieve the purpose of pressurization through an internal structure, can save the required installation space, and has a simple and reasonable structure and is easy to maintain.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] The integral torque converter with an internal outlet valve includes a valve hole. One end of the valve hole is provided with a connection hole communicated with it, and the side of the valve hole is provided with an oil outlet passage communicated with it. The valve hole, the connection hole, and the oil outlet passage are all opened inside the torque converter housing; a conical valve core, a conical spring, and a plug are installed inside the valve hole; a stator seat is fixedly installed inside the torque converter housing. The stator seat is composed of a flange plate and a cylindrical section formed integrally. The flange plate is provided with an oil inlet hole and an oil outlet hole. The oil inlet hole and the oil outlet hole are both communicated with the inside of the stator seat, and the oil outlet hole is communicated with the connection hole.

[0008] Further, the large-diameter end of the conical spring abuts against the plug, the small-diameter end of the conical spring is sleeved on the plug, and the conical spring uses the spring force to push the conical valve core into the connection hole.

[0009] Furthermore, the conical valve core consists of two parts, namely a conical part and a columnar part. The conical part is arranged close to the connecting hole, and the columnar part is used for sleeving the end of the conical spring.

[0010] Furthermore, an internal threaded hole is provided at the end of the valve hole far from the connecting hole, and the plug is installed in the internal threaded hole; an internal hexagonal hole for facilitating its screwing is provided in the plug.

[0011] Furthermore, a rotating shaft is arranged inside the guide wheel seat, and the rotating shaft is rotatably connected to the torque converter housing through a bearing.

[0012] Furthermore, an installation hole for bearing installation is provided inside the torque converter housing. The valve hole is located at the side of the installation hole, and the center lines of the valve hole and the installation hole are arranged in parallel.

[0013] Furthermore, a plurality of installation holes are provided in the flange along the circumferential direction, and the installation holes are used for fixedly installing the guide wheel seat on the torque converter housing.

[0014] After the present utility model adopts the above technical solutions, compared with the prior art, it has the following advantages:

[0015] The outlet valve provided by the present utility model is placed inside the torque converter housing. The outlet valve is installed between the oil outlet hole of the guide wheel seat and the oil outlet channel of the torque converter housing, so that the pressure of the hydraulic oil increases at the oil outlet channel, and the purpose of pressurization is achieved through the built-in structure;

[0016] By integrating the outlet valve, the required installation space is saved. The overall structure of the outlet valve is simple and reasonable, without complex components, and is easy for subsequent maintenance and repair.

[0017] The following describes the present utility model in detail with reference to the drawings and embodiments. Description of the Drawings

[0018] Figure 1 is a schematic structural diagram of the present utility model;

[0019] Figure 2 is Figure 1 the enlarged structural view at M in

[0020] In the figure, 1 - conical valve core, 2 - conical spring, 3 - plug, 4 - internal hexagonal hole, 5 - valve hole, 6 - internal threaded hole, 7 - connecting hole, 8 - oil outlet channel, 9 - guide wheel seat, 10 - rotating shaft, 11 - oil outlet hole, 12 - oil inlet hole, 13 - torque converter housing. Detailed Embodiments

[0021] In order to have a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model are now described with reference to the drawings.

[0022] AsFigure 1 and Figure 2 As shown together with Figure 2 , the present utility model provides an integrated torque converter built-in outlet valve, which includes a valve hole 5. One end of the valve hole 5 is provided with a connection hole 7 communicated therewith, and an oil outlet passage 8 communicated therewith is provided on the side of the valve hole 5. The valve hole 5, the connection hole 7 and the oil outlet passage 8 are all opened inside the torque converter housing 13.

[0023] A tapered valve core 1, a tapered spring 2 and a plug 3 are installed inside the valve hole 5. The large-diameter end of the tapered spring 2 abuts against the plug 3, the small-diameter end of the tapered spring 2 is sleeved on the plug 3, and the tapered spring 2 uses the spring force to push the tapered valve core 1 into the connection hole 7; by changing the compression amount of the tapered spring 2 through the plug 3, the opening pressure of the tapered valve core 1 is adjusted.

[0024] The tapered valve core 1 is composed of a tapered part and a columnar part. The tapered part is arranged close to the connection hole 7, and the columnar part is used for sleeving the end of the tapered spring 2.

[0025] An internal threaded hole 6 is opened at the end of the valve hole 5 away from the connection hole 7, and the plug 3 is installed in the internal threaded hole 6. An internal hexagonal hole 4 for facilitating its screwing is opened in the plug 3.

[0026] A guide wheel seat 9 is fixedly installed inside the torque converter housing 13. A rotating shaft 10 passes through the inside of the guide wheel seat 9. The guide wheel seat 9 is composed of a flange plate and a cylindrical section formed integrally. The flange plate is provided with a plurality of mounting holes in the circumferential direction, and the mounting holes are used for fixedly installing the guide wheel seat 9 on the torque converter housing 13.

[0027] The rotating shaft 10 is rotatably connected to the torque converter housing 13 through a bearing. Installation holes for bearing installation are provided inside the torque converter housing 13. The valve hole 5 is located on the side of the installation hole, and the center line of the valve hole 5 is parallel to that of the installation hole.

[0028] An oil inlet hole 12 and an oil outlet hole 11 are provided on the flange plate of the guide wheel seat 9. The oil inlet hole 12 and the oil outlet hole 11 are both communicated with the inside of the guide wheel seat 9, and the oil outlet hole 11 is communicated with the connection hole 7.

[0029] The specific working principle of the present utility model:

[0030] The outlet valve provided by the present utility model is placed inside the torque converter housing 13. The outlet valve is installed between the oil outlet hole 11 of the guide wheel seat and the oil outlet passage 8 of the torque converter housing 13, so that the pressure of the hydraulic oil increases when passing through the oil outlet passage 8, and the purpose of pressurization is achieved through the built-in structure.

[0031] The tapered spring uses the spring force to push the tapered valve core tightly into the connection hole. The compression amount of the tapered spring can be changed through the plug to realize the adjustment of the opening pressure of the tapered valve core. When the oil pressure exceeds the pre-tightening force of the tapered spring, the tapered valve core is separated from the connection hole, the connection hole is opened, and the tapered valve core is opened.

[0032] The above is an example of the best implementation mode of the present utility model, and the parts not described in detail are all common general knowledge of those skilled in the art. The protection scope of the present utility model shall be subject to the content of the claims, and any equivalent transformation based on the technical inspiration of the present utility model shall also be within the protection scope of the present utility model.

Claims

1. The integrated torque converter has a built-in outlet valve, which is characterized by: The invention comprises a valve hole (5), one end of the valve hole (5) is provided with a connecting hole (7) connected thereto, a side of the valve hole (5) is provided with an oil outlet passage (8) connected thereto, and the valve hole (5), the connecting hole (7) and the oil outlet passage (8) are all arranged inside a torque converter housing (13); a cone valve core (1), a cone spring (2) and a screw plug (3) are installed inside the valve hole (5); a guide wheel seat (9) is fixedly installed inside the torque converter housing (13), the guide wheel seat (9) is composed of an integrally formed flange and a cylindrical section, the flange is provided with an oil inlet hole (12) and an oil outlet hole (11), the oil inlet hole (12) and the oil outlet hole (11) are both connected to the inside of the guide wheel seat (9), and the oil outlet hole (11) is connected to the connecting hole (7).

2. The integrated torque converter built-in outlet valve according to claim 1, characterized in that: The large diameter end of the cone spring (2) is in contact with the thread plug (3), and the small diameter end of the cone spring (2) is sleeved on the thread plug (3). The cone spring (2) uses spring force to push the cone valve core (1) into the connecting hole (7).

3. The integrated torque converter built-in outlet valve according to claim 2, characterized in that: The cone valve core (1) consists of two parts: a cone portion and a columnar portion. The cone portion is arranged close to the connecting hole (7), and the columnar portion is used for sleeve arrangement of the end of the cone spring (2).

4. The integrated torque converter built-in outlet valve according to claim 1, characterized in that: An internal threaded hole (6) is formed at the end of the valve hole (5) away from the connecting hole (7), and the screw plug (3) is installed in the internal threaded hole (6); and a hexagonal hole (4) is formed in the screw plug (3) to facilitate screwing.

5. The integrated torque converter with built-in outlet valve according to claim 1, characterized in that: A rotating shaft (10) is provided inside the guide wheel seat (9), and the rotating shaft (10) is rotatably connected to the torque converter housing (13) via a bearing.

6. The integrated torque converter built-in outlet valve according to claim 5, characterized in that: A mounting hole for mounting a bearing is provided inside the torque converter housing (13); the valve hole (5) is located on the side of the mounting hole; the valve hole (5) is arranged parallel to the center line of the mounting hole.

7. The integrated torque converter with built-in outlet valve according to claim 1, characterized in that: The flange is provided with a plurality of mounting holes along the circumferential direction, and the mounting holes are used to fix the guide wheel seat (9) on the torque converter housing (13).

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