Oil seal installation tool of automobile steering device
By designing guide sleeves and vacuum adsorption oil seal installation tools, the problem of oil seals falling off under gravity was solved, achieving stable installation of oil seals, ensuring verticality and coaxiality, and preventing oil leakage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-05
- Publication Date
- 2026-03-24
AI Technical Summary
In existing steering gear oil seal installation devices, the oil seal is prone to falling off from under the pressing shaft under gravity during installation, affecting installation stability.
An oil seal installation tool for automotive steering gear was designed, including a guide sleeve, a lifting component, a vacuum tube, a mounting sleeve, a telescopic component, and a vacuum suction cup. The oil seal is fixed by vacuum adsorption, and the guide sleeve and lifting component are used to ensure the centering of the oil seal with the automotive steering gear, thus achieving stable installation.
It effectively prevents the oil seal from falling off during installation, ensuring that the oil seal enters the housing or bushing vertically, improving the verticality and coaxiality of the installation, and avoiding oil leakage.
Smart Images

Figure CN224027553U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to oil seal assembly technical field especially relates to a kind of oil seal installation tools of automobile steering gear. BACKGROUND
[0002] The oil seal in the steering gear is an indispensable part, and the installation of the oil seal is not a simple process. The traditional oil seal installation adopts simple tooling, which causes the oil seal to be unable to be vertically pressed into the shell or bushing during installation, and easily causes the oil seal to be skewed after installation, resulting in oil leakage.
[0003] The prior art (CN201979467U) discloses a novel steering gear oil seal installation device, which comprises a pressing shaft, an oil seal, a guide sleeve and a workpiece. The lower end of the pressing shaft is provided with the oil seal, and the lower end of the oil seal is provided with the workpiece. The upper outer side of the pressing shaft, the oil seal and the workpiece is provided with the guide sleeve. It has a simple structure, can make the oil seal vertically enter the shell or bushing, ensure the perpendicularity and coaxiality of the oil seal and the shell, and has good protection effect.
[0004] However, after the oil seal is placed below the pressing shaft, there is no fixing structure for the oil seal on the pressing shaft, which causes the oil seal to easily fall from below the pressing shaft under the action of gravity during installation of the oil seal, thereby affecting the installation of the oil seal. UTILITY MODEL CONTENTS
[0005] The utility model aims to provide an oil seal installation tool for automobile steering gear, which aims to solve the problem that the existing novel steering gear oil seal installation device causes the oil seal to easily fall from below the pressing shaft under the action of gravity during installation of the oil seal, thereby affecting the installation of the oil seal.
[0006] To achieve the above-mentioned purpose, the utility model provides an oil seal installation tool for automobile steering gear, which comprises a guide sleeve and an installation assembly. The installation assembly comprises a lifting member, a pressing shaft, a vacuum tube, an installation sleeve, an extension member and a vacuum suction cup. The guide sleeve has a sliding groove, which is located on one side of the guide sleeve. The lifting member is arranged on one side of the pressing shaft. The pressing shaft is arranged on one side of the lifting member. The vacuum tube is fixedly connected with the pressing shaft and located on one side of the pressing shaft. The installation sleeve is fixedly connected with the pressing shaft and located on one side of the pressing shaft. The extension member is arranged on one side of the installation sleeve. The vacuum suction cup is arranged on one side of the extension member.
[0007] Two springs, two connecting plates and a connecting pipe, one end of the two springs is fixedly connected with the mounting sleeve and is located at one side of the mounting sleeve, the two connecting plates are fixedly connected with the springs and are located at the other end of the springs respectively, and the connecting pipe is fixedly connected with the connecting plates and is located between the connecting plates.
[0008] The lifting member comprises a cylinder, a pushing plate and a mounting seat, the cylinder is fixedly connected with the guide sleeve and is located at one side of the guide sleeve, the pushing plate is fixedly connected with the output end of the cylinder and is located at one side of the cylinder, and the mounting seat is fixedly connected with the pushing plate and is located at one side of the pushing plate.
[0009] The mounting assembly further comprises a protective sleeve, the protective sleeve is fixedly connected with the vacuum pipe and is located at one side of the vacuum pipe.
[0010] The mounting assembly further comprises a sealing ring, the sealing ring is fixedly connected with the vacuum pipe and is located at one side of the sealing pipe.
[0011] The utility model discloses an oil seal installation tool of automobile steering gear, aligns the oil seal with the mounting sleeve and the vacuum chuck, then carries out the vacuumization to the vacuum chuck through the vacuum pipe and realizes the chuck fixation of oil seal, then aligns the workpiece with the entrance of guide sleeve, pushes the oil seal gradually downward through the lifting member, and the telescopic member slides upward along with the position of workpiece in the process of pushing, and the uniformity of oil seal and automobile steering gear is guaranteed through the guidance of guide sleeve, and the installation of oil seal and workpiece is realized through the step-down of lifting member, and then the adsorption of oil seal is released through the flow circulation of vacuum pipe and the vacuum chuck, and the integral installation tool is slid upward and taken out, through the above-mentioned scheme, the problem that oil seal is easy to fall from the below of press-in shaft under the action of gravity in the process of installing oil seal of the existing novel steering gear oil seal installation device is solved, thereby the installation of oil seal is affected. ACCURACY OF DRAWINGS
[0012] In order to more clearly illustrate the technical scheme in the embodiment of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description.
[0013] Figure 1 It is the structure schematic diagram of the whole utility model.
[0014] Figure 2 It is the structure schematic diagram of another view of the whole utility model.
[0015] Figure 3 It is the side view of the whole utility model.
[0016] Figure 4 is the overall sectional view of the utility model.
[0017] 101-guide sleeve, 102-mounting assembly, 103-lifting member, 104-press-in shaft, 105-vacuum pipe, 106-mounting sleeve, 107-telescopic member, 108-vacuum chuck, 109-sliding groove, 110-spring, 111-connection plate, 112-connection pipe, 113-cylinder, 114-push plate, 115-mounting seat, 116-protection sleeve, 117-sealing ring. DETAILED DESCRIPTION
[0018] The embodiments of the utility model are described in detail below, examples of the embodiments are shown in the drawings, and the following
[0019] The embodiments described by referring to the drawings are exemplary and are intended to explain the utility model, and cannot be understood as the limitation of the utility model.
[0020] Please refer to Figures 1-4 , wherein, Figure 1 is the overall structure schematic view of the utility model, Figure 2 is the overall structure schematic view of the utility model from another perspective, Figure 3 is the side view of the overall utility model, Figure 4 is the overall sectional view of the utility model.
[0021] The utility model provides a kind of oil seal installation tool of automobile steering gear, including guide sleeve 101 and mounting assembly 102, and mounting assembly 102 includes lifting member 103, press-in shaft 104, vacuum pipe 105, mounting sleeve 106, telescopic member 107, vacuum chuck 108, protection sleeve 116 and sealing ring 117, telescopic member 107 two springs 110, two connection plates 111 and connection pipe 112, lifting member 103 includes cylinder 113, push plate 114 and mounting seat 115, by the foregoing scheme, the oil seal installation device of the novel steering gear of existing new type is installed on press-in shaft 104 when being installed to oil seal, possibly because the problem of inconvenient installation caused by the instability of installation, oil seal falls off.
[0022] For this specific embodiment, the guide sleeve 101 has a sliding groove 109 on one side of the guide sleeve 101, the lifting member 103 is arranged on one side of the press-in shaft 104, the press-in shaft 104 is arranged on one side of the lifting member 103, the vacuum pipe 105 is fixedly connected with the press-in shaft 104 and located on one side of the press-in shaft 104, the mounting sleeve 106 is fixedly connected with the press-in shaft 104 and located on one side of the press-in shaft 104, the telescopic member 107 is arranged on one side of the mounting sleeve 106, and the vacuum chuck 108 is arranged on one side of the telescopic member 107. Align the oil seal with the mounting sleeve 106 and the vacuum chuck 108, then perform vacuumization on the vacuum chuck 108 through the vacuum pipe 105 to realize chuck fixing of the oil seal, then align the workpiece with the inlet of the guide sleeve 101, and gradually push the oil seal downward through the lifting member 103. In the process of pushing, the telescopic member 107 will slide upward with the position of the workpiece, and the guide sleeve 101 guides to ensure that the oil seal and the automobile steering gear are in uniform centering, and the step-by-step descent of the lifting member 103 realizes the installation of the oil seal and the workpiece. Then, the vacuum chuck 108 releases the adsorption of the oil seal through the circulation of the vacuum pipe 105, and the whole installation tool is slid upward and taken out, thereby solving the problem that the existing new type of steering gear oil seal installation device is easy to fall from below the press-in shaft under the action of gravity during installation of the oil seal, thereby affecting the installation of the oil seal.
[0023] Wherein, one end of two said springs 110 is fixedly connected with the mounting sleeve 106 and located on one side of the mounting sleeve 106 respectively, two said connecting plates 111 are fixedly connected with the springs 110 respectively and located on the other end of the springs 110 respectively, the connecting pipe 112 is fixedly connected with the connecting plates 111 and located between the connecting plates 111, and in the process of upward lifting of the workpiece during installation, the vacuum chuck 108 drives the connecting pipe 112 to move. The connecting pipe 112 is limited by the connecting plates 111, and the connecting plates 111 will always push the connecting pipe 112 downward in the process of movement due to the elasticity of the springs 110, so that the oil seal on the vacuum chuck 108 is tightly attached to the workpiece for installation.
[0024] Second, the cylinder 113 and the guide sleeve 101 are fixedly connected, and located on one side of the guide sleeve 101, the push plate 114 and the output end of the cylinder 113 are fixedly connected, and located on one side of the cylinder 113, the mounting seat 115 and the push plate 114 are fixedly connected, and located on one side of the push plate 114, when installing, the push plate 114 is moved by the cylinder 113, the movement of the push plate 114 drives the mounting seat 115 to move, the mounting seat 115 is fixed with the press-in shaft 104, and the oil seal is installed on the workpiece by the press-in shaft 104.
[0025] At the same time, the protective sleeve 116 and the vacuum pipe 105 are fixedly connected, and located on one side of the vacuum pipe 105, the mounting seat 115 is moved synchronously by the cylinder 113 when the push plate 114 is moved, one end of the mounting seat 115 is connected with the push plate 114, and the other end is connected with the press-in shaft 104, the side of the press-in shaft 104 is connected with the vacuum pipe 105, and the vacuum suction cup 108 is used for vacuumizing to ensure that the oil seal is not dropped during installation, the vacuum pipe 105 is also lifted synchronously during lifting by the cylinder 113, and the protective sleeve 116 is protected during movement to prevent damage caused by abrasion with the wall surface of the guide sleeve 101.
[0026] In addition, the sealing ring 117 and the vacuum pipe 105 are fixedly connected, and located on one side of the sealing pipe, the sealing ring 117 is installed at the connection between the vacuum pipe 105 and the vacuum suction cup 108, air leakage during vacuumizing and loosening of the vacuum suction is prevented, the effect of vacuumizing is not good, the sealing ring 117 is sealed, the quality of vacuum suction is greatly improved, and the quality and efficiency of the workpiece during oil seal installation are ensured.
[0027] In use of the utility model, the oil seal is aligned with the mounting sleeve 106 and the vacuum chuck 108, and then the vacuum chuck 108 is vacuumized through the vacuum pipe 105 to realize chuck fixing of the oil seal, then the workpiece is aligned with the entrance of the guide sleeve 101, the pushing plate 114 is moved through the cylinder 113, the movement of the pushing plate 114 drives the mounting base 115 to move, the pressing shaft 104 is fixed on the mounting base 115, the oil seal is installed on the workpiece through the pressing shaft 104, the vacuum chuck 108 drives the connecting pipe 112 to move in the process of the workpiece being upwardly lifted during installation, the connecting pipe 112 is limited by the connecting plate 111, the connecting plate 111 is limited by the spring 110, and the connecting pipe 112 is always pushed downwardly due to the elasticity of the connecting plate 111, so that the oil seal on the vacuum chuck 108 is tightly attached to the workpiece for installation, the oil seal and the automobile steering gear are in the unified center degree through the guidance of the guide sleeve 101, then the vacuum chuck 108 is released from the oil seal through the flow of the vacuum pipe 105, the whole installation tool is upwardly slid and taken out, through the above scheme, the problem that the oil seal is easily dropped from below the pressing shaft under the action of gravity in the process of the existing novel steering gear oil seal installation device installing the oil seal is solved, thereby affecting the installation of the oil seal.
[0028] The above only discloses one or more preferred embodiments of the present application, and cannot limit the scope of the rights of the present application. Those skilled in the art can understand that all or part of the above-mentioned embodiments can be implemented, and equivalent changes made according to the claims of the present application still belong to the scope covered by the present application.
Claims
1. An oil seal installation tool for a steering gear of an automobile, comprising a guide sleeve, characterized in that, further comprising an installation assembly; the installation assembly comprises a lifting member, a pressing shaft, a vacuum pipe, an installation sleeve, an extension member and a vacuum chuck; the guide sleeve has a sliding groove located on one side of the guide sleeve, the lifting member is arranged on one side of the pressing shaft, the pressing shaft is arranged on one side of the lifting member, the vacuum pipe is fixedly connected with the pressing shaft and located on one side of the pressing shaft, the installation sleeve is fixedly connected with the pressing shaft and located on one side of the pressing shaft, the extension member is arranged on one side of the installation sleeve, and the vacuum chuck is arranged on one side of the extension member.
2. The oil seal installation tool for a steering gear of an automobile according to claim 1, characterized in that, the extension member comprises two springs, two connecting plates and a connecting pipe, one end of each of the two springs is fixedly connected with the installation sleeve and located on one side of the installation sleeve, each of the two connecting plates is fixedly connected with a spring and located on the other end of the spring, and the connecting pipe is fixedly connected with the connecting plates and located between the connecting plates.
3. The oil seal installation tool for a steering gear of an automobile according to claim 1, characterized in that, the lifting member comprises a cylinder, a pushing plate and a mounting seat, the cylinder is fixedly connected with the guide sleeve and located on one side of the guide sleeve, the pushing plate is fixedly connected with the output end of the cylinder and located on one side of the cylinder, and the mounting seat is fixedly connected with the pushing plate and located on one side of the pushing plate.
4. The oil seal installation tool for a steering gear of an automobile according to claim 1, characterized in that, the installation assembly further comprises a protective sleeve, the protective sleeve is fixedly connected with the vacuum pipe and located on one side of the vacuum pipe.
5. The oil seal installation tool for a steering gear of an automobile according to claim 1, characterized in that, the installation assembly further comprises a sealing ring, the sealing ring is fixedly connected with the vacuum pipe and located on one side of the vacuum pipe.
Citation Information
Patent Citations
Novel redirector oil seal installation device
CN201979467U