High-stability hydraulic torque converter

Abstract

The utility model relates to the technical field of hydraulic torque converters, and discloses a high-stability hydraulic torque converter which comprises a first shell, a second shell is welded to the outer side of the first shell, a middle shaft is arranged between the first shell and the second shell, an inner ring is arranged on the outer edge of the middle shaft, an arc-shaped groove and a circular groove are formed in the outer edge of the inner ring, and the arc-shaped groove and the circular groove are welded to the outer side of the first shell. Fixed blades are fixedly mounted at the top of the inner ring, and an outer ring is fixedly mounted at the tops of the fixed blades. Through cooperative use of a circular block and a sliding block, when oil performs vortex motion in the device, pressure is applied to a rotating blade, then the pressed rotating blade slightly rotates on the inner wall of an arc-shaped groove through the sliding block by taking the circular block as the circle center, and through cooperation of the rotating blade and a fixed blade, the rotating blade and the fixed blade are driven to rotate in the arc-shaped groove. Further, the flow guide angle can be optimized in real time, fluid impact is reduced, turbulence, cavitation, vibration and efficiency reduction caused by non-uniform fluid flowing are avoided, and the purpose of simultaneously achieving the stability of the device is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of hydraulic torque converter, concretely to a high stability hydraulic torque converter. BACKGROUND

[0002] The hydraulic torque converter is a commonly used power transmission structure in vehicles, which is arranged between the reducer and the engine, avoids the direct contact between the two transmission structures, has better smoothness during gear shifting, can eliminate the obvious jerk in the process of increasing and decreasing speed, and makes the ride experience of the vehicle better.

[0003] The existing hydraulic torque converter device mainly has the problem of poor stability during use, which leads to uneven fluid flow, causes turbulence and cavitation phenomenon, and thus causes vibration and efficiency reduction. In addition, the existing hydraulic torque converter device also has the problem of large noise during work, which affects the surrounding personnel. UTILITY MODEL CONTENTS

[0004] In view of the deficiencies of the prior art, the utility model provides a high stability hydraulic torque converter, which has the advantages of good stability and noise reduction, and solves the problems raised in the above background technology.

[0005] The utility model provides the following technical scheme: a high stability hydraulic torque converter, which comprises a shell one, a shell two is welded on the outer side of the shell one, a middle shaft is arranged in the middle of the shell one and the shell two, an inner ring is arranged on the outer edge of the middle shaft, arc grooves and circular grooves are formed on the outer edge of the inner ring, fixed blades are fixedly installed on the top of the inner ring, an outer ring is fixedly installed on the top of the fixed blades, a circular block is rotatably connected to the inner wall of the arc groove, rotating blades are fixedly installed on the top of the circular block, sliding blocks are fixedly installed on the bottom of the rotating blades, an annular cavity is arranged on the inner side of the shell two, and high-viscosity silicon-based damping grease is filled in the inner side of the annular cavity.

[0006] As a preferred technical scheme of the utility model: the rotating blades are rotatably connected to the outer edge of the inner ring and the inner wall of the outer ring, and the outer ring, the inner ring and the fixed blades are combined into a guide wheel.

[0007] As a preferred technical scheme of the utility model: the sliding blocks are slidably connected to the inner wall of the arc groove, and the shape of the inner wall of the arc groove is matched with that of the sliding blocks.

[0008] As a preferred technical scheme of the utility model: the left and right sides of the outer ring, the inner ring and the fixed blades are provided with a pump wheel and a turbine, and the center of the pump wheel and the turbine is on the same horizontal plane as the middle shaft.

[0009] As a preferred technical scheme of the utility model: the welding place of shell one and shell two is fixedly installed with sealing ring, the inner layer of sealing ring is prepared through copper alloy, and the outer layer is prepared through silicon carbide ceramic.

[0010] As a preferred technical scheme of the utility model: the turbine contains impeller, and the inner wall of the impeller is penetrated with round hole.

[0011] Compared with prior art, the utility model has the following beneficial effects:

[0012] 1、The high stability's hydraulic torque converter, through the cooperation of round block and sliding block, then when oil is in the device inside carries out vortex motion, will press the rotating blade, then the rotating blade under pressure, will take round block as the center, then through the slight rotation of sliding block in the arc groove inner wall, utilize the cooperation of rotating blade and fixed blade, then can optimize the flow angle in real time, reduce fluid impact, avoid uneven fluid flow and cause turbulence, cavitation, vibration and efficiency drop, so as to reach the purpose of device stability.

[0013] 2、The high stability's hydraulic torque converter, through the cooperation of high viscosity silicon base damping grease and sealing ring, then after the noise generated when the device is running, the noise is transmitted to the annular cavity, can utilize the high viscosity silicon base damping grease filled in the inner wall of annular cavity, so as to carry out high frequency absorption to the energy of noise through high viscosity silicon base damping grease, so that the energy of noise received by the outside of device is reduced, then the quietness of device during work is improved, and the noise generated during work of device is avoided to affect other people, and the inner layer of sealing ring prepared through copper alloy and the outer layer of sealing ring prepared through silicon carbide ceramic, then the heat conduction and wear resistance of sealing ring can be improved, so that the upper limit of working temperature of sealing ring is improved to ℃, so that the service life of sealing ring is improved, and the sealing ring is avoided to crack due to too high temperature, so that the oil leakage in the device is avoided. ACCURACY OF DRAWINGS

[0014] Figure 1 It is the three-dimensional structure schematic diagram of the utility model;

[0015] Figure 2 It is the pump wheel structure schematic diagram of the utility model;

[0016] Figure 3 It is the guide wheel structure schematic diagram of the utility model;

[0017] Figure 4 It is the rotating blade structure schematic diagram of the utility model;

[0018] Figure 5 It is the half cut structure schematic diagram of the utility model;

[0019] Figure 6 The utility model discloses Figure 2 A place partial enlarged structure schematic diagram of the utility model discloses

[0020] Figure 7 The utility model discloses Figure 5 B place partial enlarged structure schematic diagram of the utility model discloses

[0021] In the drawing: 1, shell one;2, shell two;3, middle axle;4, pump wheel;5, turbine;6, outer ring;7, inner ring;8, arc slot;9, rotating vane;10, round groove;11, round block;12, sliding block;13, annular cavity;14, high viscosity silicon base damping grease;15, fixed vane;16, sealing ring;17, impeller;18, round hole. Specific implementation

[0022] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] Please refer to Figures 1-7 A kind of high stability hydraulic torque converter, including shell one 1, shell one 1 outside welding has shell two 2, the middle of shell one 1 and shell two 2 is provided with middle axle 3, the outer edge of middle axle 3 is provided with inner ring 7, the outer edge of inner ring 7 is provided with arc slot 8 and round groove 10, the top of inner ring 7 is fixedly installed with fixed vane 15, the top of fixed vane 15 is fixedly installed with outer ring 6, the inner wall of arc slot 8 is rotatably connected with round block 11, the top of round block 11 is fixedly installed with rotating vane 9, the bottom of rotating vane 9 is fixedly installed with sliding block 12, the inner side of shell two 2 is provided with annular cavity 13, the inner side of annular cavity 13 is filled with high viscosity silicon base damping grease 14.

[0024] In the structure, when the device generates noise during operation, the noise is transmitted to the annular cavity 13. The high-viscosity silicone damping grease 14 filled in the inner wall of the annular cavity 13 can absorb the energy of the noise at high frequency, so that the energy of the noise outside the device is reduced, thereby improving the quietness of the device during operation, avoiding the influence on others caused by the excessive noise generated during the operation of the device. The inner layer of the sealing ring 16 is made of copper alloy, and the outer layer of the sealing ring 16 is made of silicon carbide ceramic, thereby improving the heat conduction and wear resistance of the sealing ring 16, so that the upper limit of the working temperature of the sealing ring 16 is increased to 250°C, thereby prolonging the service life of the sealing ring 16 and avoiding the cracking of the sealing ring 16 due to high temperature, thereby preventing the oil leakage in the device.

[0025] In a preferred embodiment: the rotating blades 9 are rotatably connected to the outer edge of the inner ring 7 and the inner wall of the outer ring 6, and the outer ring 6, the inner ring 7 and the fixed blades 15 are combined to form a guide wheel.

[0026] In the structure, the rotating blades 9 are rotatably connected between the inner ring 7 and the outer ring 6, so that the rotating blades 9 can smoothly swing slightly under the pressure of the oil.

[0027] In a preferred embodiment: the sliding block 12 is slidably connected to the inner wall of the arc-shaped groove 8, and the shape of the inner wall of the arc-shaped groove 8 is matched with the shape of the sliding block 12.

[0028] In the structure, the circular block 11 and the sliding block 12 are used in combination, so that when the oil performs vortex motion in the device, pressure is applied to the rotating blades 9. Then, the rotating blades 9 under pressure rotate slightly around the circular block 11 as the center, and the sliding block 12 rotates slightly in the inner wall of the arc-shaped groove 8. By matching the rotating blades 9 and the fixed blades 15, the flow guide angle can be optimized in real time, the fluid impact can be reduced, and the turbulence, cavitation, vibration and efficiency reduction caused by uneven fluid flow can be avoided, thereby achieving the purpose of stabilizing the device.

[0029] In a preferred embodiment: the pump wheel 4 and the turbine 5 are arranged on the left and right sides of the outer ring 6 and the inner ring 7 and the fixed blades 15, and the centers of the pump wheel 4 and the turbine 5 are at the same level as the central shaft 3.

[0030] In the structure, the pump wheel 4 and the turbine 5 are arranged, so that the device can normally perform vortex motion.

[0031] In a preferred embodiment: the sealing ring 16 is fixedly installed at the welding position of the first housing 1 and the second housing 2, the inner layer of the sealing ring 16 is made of copper alloy, and the outer layer of the sealing ring 16 is made of silicon carbide ceramic.

[0032] In the structure, the inner layer of the sealing ring 16 is made of copper alloy, and the outer layer of the sealing ring 16 is made of silicon carbide ceramic, so that the heat conduction and wear resistance of the sealing ring 16 are improved, and the upper limit of the working temperature of the sealing ring 16 is increased to 250 DEG C.

[0033] In a preferred embodiment, the turbine 5 comprises an impeller 17, and the inner wall of the impeller 17 is provided with a circular hole 18.

[0034] In the structure, the circular hole 18 is arranged in the inner wall of the impeller 17, so that cavitation is inhibited and pressure pulsation is uniformly released.

[0035] Working principle: when the device needs to be used, first, the circular block 11 and the sliding block 12 are used in cooperation, so that when the oil liquid performs vortex motion in the device, the rotating blade 9 is subjected to pressure, and then the rotating blade 9 subjected to the pressure rotates slightly in the arc-shaped groove 8 through the circular block 11 as the center and the sliding block 12, and the cooperation of the rotating blade 9 and the fixed blade 15 is used to optimize the flow guiding angle in real time, reduce fluid impact, avoid turbulence, cavitation, vibration and efficiency reduction caused by uneven fluid flow, so as to achieve the purpose of stabilizing the device, and then the high-viscosity silicon-based damping grease 14 and the sealing ring 16 are used in cooperation, so that after the device generates noise during operation, the noise is transmitted to the annular cavity 13, the high-viscosity silicon-based damping grease 14 filled in the inner wall of the annular cavity 13 is used to absorb the energy of the noise at high frequency, so that the energy of the noise outside the device is reduced, and the quietness of the device during operation is improved, so as to avoid that the noise generated by the device during operation affects others, and the inner layer of the sealing ring 16 is made of copper alloy, and the outer layer of the sealing ring 16 is made of silicon carbide ceramic, so that the heat conduction and wear resistance of the sealing ring 16 are improved, and the upper limit of the working temperature of the sealing ring 16 is increased to 250 DEG C, so that the service life of the sealing ring 16 is improved, and the sealing ring 16 is prevented from cracking due to high temperature, so that the oil liquid in the device is prevented from leaking.

[0036] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A highly stable hydraulic torque converter, comprising a housing (1), characterized in that: A second shell (2) is welded to the outside of the first shell (1). A central shaft (3) is provided between the first shell (1) and the second shell (2). An inner ring (7) is provided on the outer edge of the central shaft (3). An arc groove (8) and a circular groove (10) are provided on the outer edge of the inner ring (7). A fixed blade (15) is fixedly installed on the top of the inner ring (7). An outer ring (6) is fixedly installed on the top of the fixed blade (15). A circular block (11) is rotatably connected to the inner wall of the arc groove (8). A rotating blade (9) is fixedly installed on the top of the circular block (11). A sliding block (12) is fixedly installed on the bottom of the rotating blade (9). An annular cavity (13) is provided on the inner side of the second shell (2). The inner side of the annular cavity (13) is filled with high-viscosity silicone damping grease (14).

2. The high-stability hydraulic torque converter according to claim 1, characterized in that: The rotating blade (9) is rotatably connected to the outer edge of the inner ring (7) and the inner wall of the outer ring (6). The outer ring (6), the inner ring (7), and the fixed blade (15) are combined to form a guide wheel.

3. The high-stability hydraulic torque converter according to claim 1, characterized in that: The sliding block (12) is slidably connected to the inner wall of the arc groove (8), and the inner wall of the arc groove (8) is adapted to the shape of the sliding block (12).

4. A high-stability hydraulic torque converter according to claim 1, characterized in that: Pump wheels (4) and turbines (5) are provided on the left and right sides of the outer ring (6), inner ring (7) and fixed blades (15), and the center of the pump wheels (4) and turbines (5) is on the same horizontal plane as the central shaft (3).

5. A high-stability hydraulic torque converter according to claim 1, characterized in that: A sealing ring (16) is fixedly installed at the weld joint of the first shell (1) and the second shell (2). The inner layer of the sealing ring (16) is made of copper alloy, and the outer layer is made of silicon carbide ceramic.

6. A high-stability hydraulic torque converter according to claim 4, characterized in that: The turbine (5) includes an impeller (17) with a circular hole (18) penetrating its inner wall.

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