Gearbox oil pump supporting mechanism

By designing a transmission oil pump support mechanism, and utilizing support shaft assemblies and sealing rings to improve structural stability and sealing performance, the problems of transmission oil pump vibration and noise were solved, achieving more stable installation and reduced noise.

CN223563406UActive Publication Date: 2025-11-18NINGBO LEICHEN MASCH CO LTD
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Patent Information

Application Number
CN202423044823.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-10
Publication Date
2025-11-18
Estimated Expiration
2034-12-10

AI Technical Summary

Technical Problem

The existing transmission oil pump has an unstable support structure, which makes the rotary oil pump prone to vibration and noise.

Method used

Design a transmission oil pump support mechanism, including a support shaft assembly, a pressure ring, and a support bushing, to improve assembly stability and enhance sealing performance by utilizing a sealing ring, thereby reducing leakage and vibration noise.

Benefits of technology

By improving the stability and sealing performance of the support structure, the vibration and noise of the rotor oil pump were reduced, the problems caused by the instability of the support structure were solved, and the installation process was simplified.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of gearbox oil pump supporting, in particular to a gearbox oil pump supporting mechanism. According to the technical scheme, the gearbox oil pump supporting mechanism comprises a supporting shaft assembly and further comprises a pressing ring and a supporting shaft sleeve. A pressing ring is arranged in the supporting shaft assembly. A supporting shaft sleeve is arranged in the pressing ring. The supporting shaft assembly comprises a supporting shaft, a mounting groove, a sealing ring, an open hole and a transverse penetrating groove. The structural stability of assembly of the pressing ring and the supporting shaft sleeve is improved through the supporting shaft assembly, the sealing performance is improved through the sealing ring, the leakage problem is solved, and the influence of vibration and noise is further reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to gearbox oil pump support technical field, specifically related to a gearbox oil pump support mechanism. BACKGROUND

[0002] The gearbox oil pump is a key component of the hydraulic torque converter and the hydraulic control system, and its core responsibility is to ensure that the hydraulic oil is provided to the system at a specific pressure and flow rate to meet the lubrication needs of the friction pair such as the planetary gear mechanism. It is usually installed at the rear end of the hydraulic torque converter and is driven by the shaft sleeve at the rear end of the torque converter.

[0003] However, due to the unstable support structure of the rotor oil pump, problems such as shaking and noise often occur. This is mainly due to the irregular shape, thin wall plane, high precision requirement, easy deformation of clamping, and difficulty in manufacturing of the oil pump support, which makes it difficult to stably support the rotor oil pump, thereby causing shaking and noise.

[0004] Therefore, in view of the above-mentioned existing gearbox oil pump mechanism, because its support structure is unstable, the rotor oil pump is prone to shaking and noise. A gearbox oil pump support mechanism can be designed. INVENTION CONTENTS

[0005] In order to overcome the problem that the existing gearbox oil pump mechanism is unstable in support structure, causing the rotor oil pump to be prone to shaking and noise.

[0006] The technical scheme of the utility model is: a gearbox oil pump support mechanism, comprising a support shaft assembly, a pressure ring and a support shaft sleeve; the inside of the support shaft assembly is provided with a pressure ring; the inside of the pressure ring is provided with a support shaft sleeve; the support shaft assembly comprises a support shaft, a mounting groove, a sealing ring, an opening and a transverse groove.

[0007] Preferably, the support shaft assembly improves the structural stability of the pressure ring and the support shaft sleeve assembly, and the sealing ring improves the sealing performance, solves the problem of leakage, and further reduces the influence of vibration and noise, solves the problem that the existing gearbox oil pump mechanism is unstable in support structure, causing the rotor oil pump to be prone to shaking and noise.

[0008] As a preferred, the lower end of the support shaft is provided with a mounting groove, and the mounting groove is integrally formed with the support shaft.

[0009] As a preferred, the outer side of the support shaft is provided with a sealing ring, and the sealing ring is integrally formed with the support shaft.

[0010] As a preferred, the sealing ring is provided with an opening, and the opening is integrally formed with the support shaft.

[0011] Preferably, the inner part of the mounting groove is provided with a transverse groove, and the transverse groove is integrally formed with the mounting groove.

[0012] Preferably, the material of the pressure ring is alloy steel pipe, the material of the support shaft sleeve is bearing steel pipe, and the material of the support shaft is alloy steel pipe.

[0013] The present application has the following beneficial effects:

[0014] 1. The existing gearbox oil pump mechanism has the problem of easy shaking and noise of the rotor oil pump due to the unstable support structure. The support shaft assembly improves the structural stability of the pressure ring and the support shaft sleeve assembly, and the sealing ring improves the sealing performance, solves the problem of leakage, and further reduces the influence of vibration and noise.

[0015] 2. The transverse groove facilitates the assembly of the support shaft through the screw rod, reduces the installation difficulty, and improves the structural connection stability. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The overall cross-sectional perspective structure schematic diagram of the gearbox oil pump support mechanism of the present application is shown.

[0017] Figure 2 The overall split perspective structure schematic diagram of the gearbox oil pump support mechanism of the present application is shown.

[0018] Figure 3 The support shaft assembly perspective structure schematic diagram of the gearbox oil pump support mechanism of the present application is shown.

[0019] Figure 4 The support shaft assembly cross-sectional perspective structure schematic diagram of the gearbox oil pump support mechanism of the present application is shown.

[0020] The marks in the drawings are: 1, support shaft assembly; 2, pressure ring; 3, support shaft sleeve; 101, support shaft; 102, mounting groove; 103, sealing ring; 104, opening; 105, transverse groove. DETAILED DESCRIPTION

[0021] The present application will be further described below in conjunction with the drawings and examples.

[0022] Please refer to Figures 1-4The utility model provides an embodiment: a gearbox oil pump support mechanism, including support axle assembly 1 still including pressure ring 2, support axle sleeve 3, support axle assembly 1 is provided with pressure ring 2 in the inside, pressure ring 2 is provided with support axle sleeve 3 in the inside, support axle assembly 1 includes support axle 101, installation groove 102, sealing ring 103, aperture 104, cross slot 105.

[0023] Please refer to Figures 1-4 In the embodiment, the lower end of the support axle 101 is provided with the installation groove 102, and the installation groove 102 is integrally formed with the support axle 101; the outer side of the support axle 101 is provided with the sealing ring 103, and the sealing ring 103 is integrally formed with the support axle 101; the apertures 104 are arranged between the sealing rings 103, and the apertures 104 are integrally formed with the support axle 101; the inside of the installation groove 102 is provided with the cross slot 105, and the cross slot 105 is integrally formed with the installation groove 102; the material of the pressure ring 2 is an alloy steel pipe; the material of the support axle sleeve 3 is a bearing steel pipe; and the material of the support axle 101 is an alloy steel pipe.

[0024] When working, the support axle assembly 1 improves the structural stability of the assembly of the pressure ring 2 and the support axle sleeve 3, and the sealing ring 103 improves the sealing performance, so that the problem of leakage is solved, and the influence of vibration and noise is further reduced.

[0025] Then, the cross slot 105 facilitates the assembly of the support axle 101 through the screw rod, reduces the installation difficulty, and improves the structural connection stability.

[0026] Through the above steps, the support axle assembly 1 improves the structural stability of the assembly of the pressure ring 2 and the support axle sleeve 3, and the sealing ring 103 improves the sealing performance, so that the problem of leakage is solved, and the influence of vibration and noise is further reduced.

[0027] The embodiments of the utility model are described in detail in combination with the drawings above, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the purpose of the utility model.

Claims

1. A gearbox oil pump support mechanism comprising a support shaft assembly (1) characterised in that: It also includes the pressure ring (2), support shaft sleeve (3); the inside of support shaft assembly (1) is provided with pressure ring (2); the inside of pressure ring (2) is provided with support shaft sleeve (3); support shaft assembly (1) includes support shaft (101), installation groove (102), sealing ring (103), opening (104), cross slot (105); the lower end of support shaft (101) is provided with installation groove (102); the outside of support shaft (101) is provided with sealing ring (103); the opening (104) is arranged between the sealing ring (103); the inside of installation groove (102) is provided with cross slot (105).

2. A gearbox oil pump support mechanism according to claim 1, characterised in that: The installation groove (102) is integrally formed with the support shaft (101).

3. A gearbox oil pump support mechanism according to claim 1, wherein: The sealing ring (103) is integrally formed with the support shaft (101).

4. A gearbox oil pump support mechanism according to claim 1, wherein: The opening (104) is integrally formed with the support shaft (101).

5. A gearbox oil pump support mechanism according to claim 1, wherein: The cross slot (105) is integrally formed with the installation groove (102).

6. A gearbox oil pump support mechanism according to claim 1, wherein: The material of the pressure ring (2) is alloy steel pipe; the material of the support shaft sleeve (3) is bearing steel pipe; the material of the support shaft (101) is alloy steel pipe.