Oil cavity structure of hydraulic torque converter shell
By designing the oil chamber structure of the torque converter housing, the problems of insufficient oil chamber volume utilization and oil return cavitation are solved, smooth flow of hydraulic oil is achieved, and oil pipe installation is simplified.
Patent Information
- Application Number
- CN202422977917.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-03
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-03
AI Technical Summary
The oil chamber structure of the existing torque converter cannot fully utilize the internal volume, and the oil return position after cooling is too high, resulting in cavitation problems.
An oil chamber structure for a torque converter housing is designed, including the torque converter housing, an oil pan, an oil channel module, a control oil channel, and an interconnecting oil channel. The oil inlet and oil outlet are arranged on the same side, a vertical oil channel connects the upper oil chamber of the housing and the oil chamber of the oil pan, the control oil channel and the interconnecting oil channel are staggered, and the oil inlet is located at a low position to avoid cavitation.
It realizes the smooth flow of internal hydraulic oil, fully utilizes the volume of the oil cavity, avoids oil return cavitation, and simplifies the fixing and installation of the oil pipe.
Smart Images
Figure CN223447584U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of hydraulic transmission device relates to hydraulic torque converter, concretely relates to a kind of oil cavity structure of hydraulic torque converter shell. BACKGROUND
[0002] In the field of engineering machinery, for mechanical automatic transmission or mechanical manual transmission integrated TCC (Torque Convertor Clutch) product, using hydraulic torque converter, can reduce the sliding friction of clutch while amplifying engine torque, and the product is increasingly becoming the preferred transmission device of super large tonnage engineering vehicle in the field with its reliable and durable, strong torque transmission capability.
[0003] Among them, the hydraulic oil cavity structure of TCC is crucial to the performance of TCC. Currently, the related products usually increase the oil storage capacity inside the hydraulic transmission device by using external oil tank, which undoubtedly increases the difficulty of overall structure arrangement and manufacturing cost, and the oil return position of the cooled hydraulic oil is relatively high, so a special oil pipe needs to be arranged inside to extend below the oil surface to prevent air bubbles from being generated in the oil to cause hydraulic system cavitation. SUMMARY
[0004] In view of the deficiencies in the prior art, the utility model provides an oil cavity structure of hydraulic torque converter shell to solve the technical problem that the internal volume of the oil cavity cannot be fully utilized in the prior art.
[0005] Another purpose of the utility model is to provide an oil cavity structure of hydraulic torque converter shell to solve the technical problem that the high oil return position after cooling causes cavitation.
[0006] To solve the above technical problems, the utility model adopts the following technical solutions:
[0007] An oil cavity structure of hydraulic torque converter shell, comprising a torque converter shell, the torque converter shell is an upper oil cavity of the shell, the bottom of the torque converter shell is provided with an oil pan, and the oil pan is an oil pan oil cavity.
[0008] The torque converter shell is provided with an oil channel module near the oil pan, and the oil channel module is provided with independent control oil channels and intercommunication oil channels.
[0009] The control oil channel comprises at least one oil inlet control oil channel and one oil outlet control oil channel.
[0010] The oil sump oil cavity is connected with one end of the oil inlet control oil channel, the other end of the oil inlet control oil channel is connected with an oil inlet of the hydraulic torque converter installed in the torque converter housing, an oil outlet of the hydraulic torque converter installed in the torque converter housing is connected with one end of the oil outlet control oil channel, and the other end of the oil outlet control oil channel is connected with the oil outlet.
[0011] The two ends of the intercommunication oil channel respectively pass through two sides of the oil channel module, one end of the intercommunication oil channel is connected with the upper oil cavity of the housing on one side of the oil channel module, and the other end of the intercommunication oil channel is connected with the upper oil cavity of the housing on the other side of the oil channel module.
[0012] The utility model discloses further have the following technical features:
[0013] The oil outlet is arranged on the outer side wall of the torque converter housing, one side of the oil sump is provided with an oil inlet communicated with the oil sump oil cavity, and the oil inlet is arranged below the oil outlet on the same side.
[0014] The control oil channel and the intercommunication oil channel are arranged in spatial dislocation.
[0015] The bottom of the torque converter housing is provided with an oil liquid vertical channel penetrating through the torque converter housing, and the oil liquid vertical channel connects the upper oil cavity of the housing and the oil sump oil cavity.
[0016] The oil liquid vertical channel is composed of a plurality of oil liquid vertical through holes.
[0017] The torque converter housing is coaxially provided with a central oil seal mounting hole.
[0018] The upper oil cavity of the housing is provided with a housing intermediate partition wall, and the housing intermediate partition wall is symmetrically arranged around the central oil seal mounting hole.
[0019] The housing intermediate partition wall is integrally arranged with the oil channel module.
[0020] Compared with the prior art, the utility model has the following beneficial technical effects:
[0021] (I) the intercommunication oil channel and the oil liquid vertical channel can ensure smooth flow of internal high-temperature hydraulic oil and fully utilize the volume of the oil cavity.
[0022] (II) the low position of the oil inlet can avoid the cavitation problem caused by air bubbles in the oil return.
[0023] (III) the oil inlet and the oil outlet are arranged on the same side, which is helpful for fixing and installing the oil pipe of the whole vehicle. DRAWINGS
[0024] Figure 1It is a front view schematic diagram of the torque converter housing in the oil chamber structure of the torque converter housing.
[0025] Figure 2 It is a top view schematic diagram of the torque converter housing in the oil chamber structure of the torque converter housing.
[0026] The meanings of the various numbers in the figure are: 1-torque converter housing, 2-oil chamber in the upper part of the housing, 3-oil pan, 4-oil chamber in the oil pan, 5-oil channel module, 6-control oil channel, 7-interconnecting oil channel, 8-oil outlet, 9-oil inlet, 10-vertical oil channel, 11-vertical oil port, 12-center oil seal mounting hole, 13-middle partition wall of the housing.
[0027] The specific contents of the present invention are further explained in detail below with reference to the embodiments. DETAILED DESCRIPTION
[0028] It should be noted that, unless otherwise specified, all devices and components in the present invention are devices and components known in the prior art.
[0029] In accordance with the above technical solution, specific embodiments of the present invention are given below. It should be noted that the present invention is not limited to the following specific embodiments, and all equivalent changes made on the basis of the technical solution of this application fall within the protection scope of the present invention.
[0030] Example:
[0031] This embodiment provides an oil chamber structure of a hydraulic torque converter housing, including a torque converter housing 1, wherein the torque converter housing 1 includes an upper oil chamber 2, as shown in FIG. Figure 1 and Figure 2 As shown, an oil pan 3 is provided at the bottom of the torque converter housing 1 , and an oil pan oil chamber 4 is provided in the oil pan 3 .
[0032] like Figure 1 and Figure 2 As shown, an oil passage module 5 is provided in the torque converter housing 1 near the oil pan 3 , and independent control oil passages 6 and interconnecting oil passages 7 are provided in the oil passage module 5 .
[0033] like Figure 1 and Figure 2 As shown, the control oil passage 6 includes at least one oil inlet control oil passage and one oil outlet control oil passage, the oil pan oil chamber 4 is connected to one end of the oil inlet control oil passage, the other end of the oil inlet control oil passage is connected to the oil inlet of the torque converter installed in the torque converter housing 1, the oil outlet of the torque converter installed in the torque converter housing 1 is connected to one end of the oil outlet control oil passage, and the other end of the oil outlet control oil passage is connected to the oil outlet 8.
[0034] like Figure 1 and Figure 2As shown, the two ends of the interconnecting oil channel 7 respectively pass through the two sides of the oil channel module 5, one end of the interconnecting oil channel 7 is connected to the upper oil chamber 2 of the shell on one side of the oil channel module 5, and the other end of the interconnecting oil channel 7 is connected to the upper oil chamber 2 of the shell on the other side of the oil channel module 5.
[0035] like Figure 1 and Figure 2 As shown, the oil outlet 8 is provided on the outer side wall of the torque converter housing 1; an oil inlet 9 communicating with the oil chamber 4 of the oil pan 3 is provided at the bottom of one side; the oil inlet 9 is below the oil outlet 8 on the same side.
[0036] like Figure 1 As shown, the control oil passage 6 and the interconnecting oil passage 7 are arranged in a spatially staggered manner.
[0037] like Figure 1 As shown, a vertical oil channel 10 is provided at the bottom of the torque converter housing 1 and passes through the torque converter housing 1 . The vertical oil channel 10 connects the upper oil chamber 2 of the housing with the oil chamber 4 of the oil pan.
[0038] like Figure 1 As shown, the vertical oil channel 10 is composed of a plurality of vertical oil ports 11 .
[0039] like Figure 1 and Figure 2 As shown, a central oil seal mounting hole 12 is coaxially provided in the torque converter housing 1 .
[0040] like Figure 1 and Figure 2 As shown, a housing middle partition wall 13 is provided in the upper oil chamber 2 of the housing, and the housing middle partition wall 13 is symmetrically arranged around the central oil seal mounting hole 12 .
[0041] like Figure 1 As shown, the intermediate partition wall 13 of the housing is integrated with the oil channel module 5 .
[0042] Specifically, in this embodiment, the oil inlet 9 is located below the high-temperature hydraulic oil level, which can effectively avoid cavitation problems caused by bubbles generated when the oil return position is too high.
[0043] Specifically in this embodiment, the high-temperature hydraulic oil generated by the transmitted torque flows out of the hydraulic transmission device through the oil outlet 8 .
[0044] Specifically, in this embodiment, the oil inlet 9 and the oil outlet 8 are arranged on the same side, which helps to fix and install the oil pipe of the entire vehicle.
[0045] Specifically, in this embodiment, the oil outlet control oil passage in the control oil passage 6 allows the outflowing high-temperature hydraulic oil to flow out of the hydraulic transmission device through the oil outlet 8 .
[0046] Specifically in this embodiment, the intercommunication oil passage 7 increases the oil storage volume in the upper oil chamber 2 of the housing.
[0047] Specifically in this embodiment, the oil vertical passage 10 and the oil vertical orifice 11 ensure the smooth up and down flow of the internal hydraulic oil in the upper oil chamber 2 of the housing and the oil sump oil chamber 4, and ensure that the internal hydraulic oil of the torque converter housing 1 is not exhausted.
[0048] Specifically in this embodiment, the high-temperature hydraulic oil is cooled by a known external cooling device to become normal-temperature oil, the normal-temperature oil flows into the oil sump oil chamber 4 in the oil sump 3 through the oil inlet 9, the normal-temperature hydraulic oil in the oil sump oil chamber 4 is pumped to the torque converter through the oil inlet control oil passage in the control oil passage 6 by the oil pump and the hydraulic valve plate, and then flows to the oil outlet 8 through the oil outlet control oil passage in the control oil passage 6 after working and heating in the torque converter, and finally flows out of the hydraulic power transmission device.
Claims
1. An oil chamber structure of a hydraulic torque converter housing, comprising a torque converter housing (1), wherein the interior of the torque converter housing (1) is an upper oil chamber (2) of the housing, characterized in that: An oil pan (3) is provided at the bottom of the torque converter housing (1), and an oil pan oil chamber (4) is located inside the oil pan (3); An oil passage module (5) is provided in the torque converter housing (1) near the oil pan (3), and the oil passage module (5) is provided with mutually independent control oil passages (6) and interconnecting oil passages (7); The control oil passage (6) comprises at least one oil inlet control oil passage and one oil outlet control oil passage; The oil chamber (4) of the oil pan is connected to one end of the oil inlet control oil passage, the other end of the oil inlet control oil passage is connected to the oil inlet of the hydraulic torque converter installed in the torque converter housing (1), the oil outlet of the hydraulic torque converter installed in the torque converter housing (1) is connected to one end of the oil outlet control oil passage, and the other end of the oil outlet control oil passage is connected to the oil outlet (8); The two ends of the interconnecting oil passage (7) respectively pass through the two sides of the oil passage module (5), one end of the interconnecting oil passage (7) is connected to the upper oil chamber (2) of the shell on one side of the oil passage module (5), and the other end of the interconnecting oil passage (7) is connected to the upper oil chamber (2) of the shell on the other side of the oil passage module (5).
2. The oil chamber structure of the torque converter housing according to claim 1, characterized in that: The oil outlet (8) is provided on the outer side wall of the torque converter housing (1); an oil inlet (9) communicating with the oil chamber (4) of the oil pan (3) is provided at the bottom of one side; the oil inlet (9) is located below the oil outlet (8) on the same side.
3. The oil chamber structure of the torque converter housing according to claim 1, characterized in that: The control oil channel (6) and the interconnecting oil channel (7) are arranged in a spatially staggered manner.
4. The oil chamber structure of the torque converter housing according to claim 1, characterized in that: The bottom of the torque converter housing (1) is provided with a vertical oil channel (10) that passes through the torque converter housing (1), and the vertical oil channel (10) communicates with the upper oil chamber (2) of the housing and the oil chamber (4) of the oil pan.
5. The oil chamber structure of the torque converter housing according to claim 4, characterized in that: The oil vertical channel (10) is composed of a plurality of oil vertical openings (11).
6. The oil chamber structure of the torque converter housing according to claim 1, characterized in that: A central oil seal mounting hole (12) is coaxially provided in the torque converter housing (1).
7. The oil chamber structure of the torque converter housing according to claim 1, characterized in that: A housing middle partition wall (13) is provided in the upper oil chamber (2) of the housing, and the housing middle partition wall (13) is symmetrically arranged around the central oil seal mounting hole (12).
8. The oil chamber structure of the torque converter housing according to claim 7, characterized in that: The intermediate partition wall (13) of the housing is integrated with the oil channel module (5).