Oil injection tool for ball dust cover
By designing a ball-head dust cover oiling fixture, and utilizing a conical structure and oil pump to precisely control the application of lubricating oil, the problems of low efficiency and difficulty in controlling the amount of oil applied by manual oiling are solved, thereby improving assembly efficiency and reliability.
Patent Information
- Application Number
- CN202520783127.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-24
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-24
AI Technical Summary
The existing method of manually applying lubricating oil to the inner wall of the dust cover is inefficient and the amount of oil applied is difficult to control, which may lead to overflow and affect its use.
A ball-head dust cover oil injection fixture was designed, including a fixture base, a first cylinder and a second cylinder. The dust cover is opened by a conical structure, and the application of lubricating oil is precisely controlled by an oil pump. The second cylinder closes the oil injection channel and positions the dust cover.
It enables precise control of the amount of lubricating oil applied, avoids overflow, improves assembly efficiency and reliability, and facilitates maintenance.
Smart Images

Figure CN223807012U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of oiling frock of automobile parts, in particular to a ball head dust cover oiling frock. BACKGROUND
[0002] Ball head rod is the core transmission component of automobile chassis steering system, and its structural strength and assembly precision directly determine the vehicle control performance and driving safety. After the ball head rod is assembled, a dust cover needs to be installed at the ball head end to prevent impurities from entering. However, the dust cover often has large resistance during the process of being sleeved into the ball head end, so the conventional method is to apply a circle of lubricating oil on the inner peripheral wall of the dust cover to make the dust cover more smooth when being sleeved into the ball head end.
[0003] However, the method of applying a circle of lubricating oil on the inner peripheral wall of the dust cover by manual work has low efficiency, and the amount of oil is difficult to control. If too much oil is applied, it may overflow after assembly, affecting use. UTILITY MODEL CONTENTS
[0004] The utility model aims at solving the problem that the method of applying a circle of lubricating oil on the inner peripheral wall of the dust cover by manual work in the prior art has low efficiency, and the amount of oil is difficult to control. If too much oil is applied, it may overflow after assembly, affecting use.
[0005] To solve the above problems, the utility model provides a ball head dust cover oiling frock, which comprises a frock seat, a first cylinder is arranged on the upper side of the frock seat, the outer diameter of the upper part of the first cylinder gradually decreases from bottom to top to form a conical shape, an oiling channel is arranged in the frock seat, the oiling channel extends upward from the lower side of the frock seat to the upper part of the first cylinder, a plurality of oiling branch holes are distributed in the circumferential direction of the upper part of the first cylinder, one end of the oiling branch hole is communicated to the oiling channel and the other end penetrates the outer peripheral wall of the upper part of the first cylinder, a second cylinder coaxial with the first cylinder is connected to the upper side of the first cylinder, and the second cylinder seals the upper end of the oiling channel.
[0006] Compared with the prior art, the above scheme sets the first cylinder on the frock seat, the first cylinder realizes the opening of the dust cover through the conical upper part, the oil pump outside injects lubricating oil from the lower end of the oiling channel, the lubricating oil enters the oiling branch hole through the oiling channel, and then flows to the inner peripheral wall of the dust cover to realize oiling, and the amount of oil is accurately controlled by the oil pump, so the utility model is reliable in use. In addition, the second cylinder seals the upper end of the oiling channel and also plays a positioning role on the dust cover.
[0007] In an improved scheme, the outer diameter of the upper part of the second cylinder gradually decreases from bottom to top to form a conical shape, so as to avoid scratching the inside of the dust cover.
[0008] In an improved scheme, the upper side of the first cylinder is provided with a mounting counterbore, and the lower end of the second cylinder is detachably inserted into the mounting counterbore, so that when the oil injection channel is blocked, the second cylinder can be removed, and the oil injection channel can be opened by the insertion rod, thereby improving the convenience of maintenance.
[0009] In an improved scheme, the mounting counterbore is provided with an internal thread, and the lower end of the second cylinder is provided with an external thread, and the lower end of the second cylinder is screwed into the mounting counterbore, thereby achieving convenient disassembly of the second cylinder relative to the first cylinder.
[0010] In an improved scheme, the axis of the oil injection branch hole is inclined so that the end of the oil injection branch hole close to the oil injection channel is lower than the end away from the oil injection channel, so that in the natural state, the lubricating oil in the oil injection channel will not flow out of the oil injection branch hole due to gravity.
[0011] In an improved scheme, the axis of the oil injection branch hole is perpendicular to the outer circumferential wall of the upper part of the second cylinder, thereby facilitating processing and facilitating the flow of lubricating oil from the oil injection branch hole.
[0012] In an improved scheme, the oil injection branch hole is even and uniformly spaced around the oil injection channel. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a front view of a ball head dust cover oil injection tool;
[0014] Figure 2 It is a bottom view of a ball head dust cover oil injection tool;
[0015] Figure 3 It is a cross-sectional view along Figure 2 the A-A section line.
[0016] BRIEF DESCRIPTION OF DRAWINGS,
[0017] 1, tool holder; 11, oil injection channel; 2, first cylinder; 21, oil injection branch hole; 22, mounting counterbore; 3, second cylinder. DETAILED DESCRIPTION
[0018] It should be understood by those skilled in the art that the following embodiments are only used to explain the technical principles of the embodiments of the present application, and are not intended to limit the protection scope of the embodiments of the present application. Those skilled in the art can adjust them as needed to adapt to specific application occasions.
[0019] In the following description of the embodiments, it should be noted that unless otherwise explicitly specified and limited, the terms "connected", "connection" should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integral connection, can be mechanical connection, can also be electrical connection, can be directly connected, or indirectly connected through intermediate media. For those skilled in the art, the specific meaning of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0020] In the embodiments of the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, the first feature "above", "over" and "on" the second feature can be that the first feature is directly above or obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "under" and "under" the second feature can be that the first feature is directly below or obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.
[0021] The present application will be further described in detail below in conjunction with the drawings and specific embodiments.
[0022] Please refer to Figures 1-3 The embodiment of the utility model provides a ball head dust cover oiling tool, including tool seat 1, the upside of tool seat 1 is equipped with the first cylinder 2, the outer diameter of the upper portion of first cylinder 2 gradually reduces from bottom to top to form the conical shape, the oiling channel 11 is arranged in tool seat 1, and the oiling channel 11 extends from the downside of tool seat 1 to the upper portion of first cylinder 2, a plurality of oiling branch holes 21 are distributed in the upper portion of first cylinder 2 along the circumference, one end of oiling branch hole 21 is communicated to oiling channel 11 and the other end penetrates to the outer circumferential wall of the upper portion of first cylinder 2, the upper side of first cylinder 2 is connected with the coaxial second cylinder 3, and the second cylinder 3 seals the upper end of oiling channel 11.
[0023] The above scheme sets the first cylinder 2 on the tool seat 1, the first cylinder 2 realizes the opening effect of dust cover through the conical upper portion, and the oil pump outside injects lubricating oil from the lower end of oiling channel 11, so that the lubricating oil can enter oiling branch hole 21 through oiling channel 11, and then flow to the inner circumferential wall of dust cover to realize oiling, and the oiling amount is accurately controlled by the oil pump, which is reliable in use. In addition, the setting of the second cylinder 3 realizes the sealing of the upper end of the oiling channel 11 on the one hand, and also plays a positioning role on the dust cover on the other hand.
[0024] As an improved scheme of the second cylinder 3, the outer diameter of the upper portion of the second cylinder 3 gradually decreases from bottom to top to form a conical shape, thereby avoiding scratching the inside of the dust cover.
[0025] In the embodiment, the upper side of the first cylinder 2 is provided with a mounting counterbore 22, and the lower end of the second cylinder 3 is detachably inserted into the mounting counterbore 22, so that when the oil injection channel 11 is blocked, the second cylinder 3 can be removed to conduct the oil injection channel 11 through the insertion rod, improving the maintenance convenience. More specifically, the mounting counterbore 22 is provided with an internal thread, and the lower end of the second cylinder 3 is provided with an external thread, and the lower end of the second cylinder 3 is screwed into the mounting counterbore 22, so as to realize the convenient disassembly and assembly of the second cylinder 3 relative to the first cylinder 2.
[0026] In the embodiment, the axis of the oil injection branch hole 21 is inclinedly arranged so that the end of the oil injection branch hole 21 close to the oil injection channel 11 is lower than the end away from the oil injection channel 11, so that in the natural state, the lubricating oil of the oil injection channel 11 will not flow out of the oil injection branch hole 21 due to the action of gravity.
[0027] Further, the axis of the oil injection branch hole 21 is perpendicular to the outer circumferential wall of the upper part of the second cylinder 3, so as to facilitate processing and facilitate the flow of lubricating oil from the oil injection branch hole 21.
[0028] In the embodiment, the oil injection branch hole 21 is even and uniformly spaced around the oil injection channel 11.
[0029] It should be noted that in the description of the present application, the terms indicating the direction or positional relationship of "inner", "outer" and the like are based on the direction or positional relationship shown in the drawings, which is only for the convenience of description, and does not indicate or imply that the device or member must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application; all directional indications (such as up, down, left, right, front, back, inner, outer) are only used to explain the relative positional relationship, movement condition, etc. between the components in a certain specific posture, and if the specific posture changes, the directional indications will also change accordingly.
[0030] In the description of the present application, the description of the terms "one embodiment", "some embodiments", "in the embodiment", "specific examples", or "some examples" means that the specific features, mechanisms, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, mechanisms, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner. Furthermore, the skilled in the art can combine and combine the different embodiments or examples described in the specification and the features of the different embodiments or examples without contradiction.
[0031] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any changes or replacements within the technical scope disclosed by the present application can be easily conceived by the person skilled in the art, and should be covered within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A ball head dust cover oiling tool, characterized in that, The utility model provides a tool holder (1), the upper side of tool holder (1) is equipped with first cylinder (2), the outer diameter of upper portion of first cylinder (2) gradually reduces from bottom to top to form conical, be provided with oil injection channel (11) in tool holder (1), oil injection channel (11) extends from the lower side of tool holder (1) to the upper portion of first cylinder (2) upwards, the upper portion of first cylinder (2) is distributed with a plurality of oil injection branch hole (21) along the circumference direction, one end of oil injection branch hole (21) is communicated to oil injection channel (11) and the other end is penetrated to the outer circumferential wall of the upper portion of first cylinder (2), the upper side of first cylinder (2) is connected with coaxial second cylinder (3), and second cylinder (3) closes the upper end of oil injection channel (11).
2. The ball head dust cover oiling tool of claim 1, wherein, The outer diameter of the upper portion of the second cylinder (3) gradually decreases from bottom to top to form a conical shape.
3. The ball head dust cover oiling tool of claim 1, wherein, The upper side of the first cylinder (2) is provided with a mounting counterbore (22), and the lower end of the second cylinder (3) is detachably inserted into the mounting counterbore (22).
4. The ball head dust cover oiling tool of claim 3, wherein, The mounting counterbore (22) is provided with an internal thread, and the lower end of the second cylinder (3) is provided with an external thread, and the lower end of the second cylinder (3) is screwed into the mounting counterbore (22).
5. The ball head dust cover oiling tool of claim 1, wherein, The axis of the oil injection branch hole (21) is inclined to make the end of the oil injection branch hole (21) close to the oil injection channel (11) lower than the end away from the oil injection channel (11).
6. The ball head dust cover oiling tool of claim 5, wherein, The axis of the oil injection branch hole (21) is perpendicular to the outer circumferential wall of the upper portion of the second cylinder (3).
7. The ball head dust cover oiling tool of claim 1, wherein, The oil injection branch hole (21) is even and spaced around the oil injection channel (11).