Oiling device for outer ball cage of driving shaft
By designing an oil injection device for the outer ball cage of the drive shaft, and utilizing a combination of a lifting platform and an inverted conical oil guide cylinder, the problem of incomplete grease injection and overflow was solved, achieving clean oil injection and removal of the outer ball cage of the drive shaft, and ensuring the cleanliness of the assembly process.
Patent Information
- Application Number
- CN202520252579.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-18
AI Technical Summary
The existing lubrication method for the external ball cage of the drive shaft makes it difficult for grease to be fully injected into the interior, which easily leads to overflow. Furthermore, the surface cleanliness is poor when the grease is pulled out, affecting the subsequent assembly process.
Design a drive shaft external ball cage oil injection device, including a base, a stand, an oil injection pump, an inverted conical oil guide cylinder and a lifting platform. The lifting platform is driven to rise and fall by the drive component to ensure that the oil injection pipe is fully inserted into the ball cage. The inverted conical oil guide cylinder is used to introduce grease to prevent overflow.
It ensures cleanliness during complete grease injection and removal, avoids grease spillage and surface contamination, and ensures cleanliness in subsequent assembly processes.
Smart Images

Figure CN223953803U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to drive shaft outer ball cage oil injection technical field more specifically, the utility model relates to a kind of drive shaft outer ball cage oil injection device. BACKGROUND
[0002] Drive shaft outer ball cage is an important component in automobile transmission system, also known as constant velocity joint, its main function is to transmit power generated by engine from transmission to drive wheel, ensure that automobile can travel at high speed stably, drive shaft outer ball cage needs to be injected, the oil injection mode of existing drive shaft outer ball cage is usually that oil injection port and star-shaped sleeve of drive shaft outer ball cage are attached to inject oil, however, since oil injection port is not inserted into the inside of star-shaped sleeve of drive shaft outer ball cage, oil is difficult to be injected into internal space quickly in oil injection, and oil spillage condition is easily caused, the surface cleanliness of outer ball cage is poor when it is pulled out, and drive shaft and operation platform can be dirty in subsequent assembly process, based on this, the utility model designs a kind of drive shaft outer ball cage oil injection device, so as to solve the above problems. SUMMARY
[0003] The utility model aims at providing a kind of drive shaft outer ball cage oil injection device to solve the problems raised in the above background.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A kind of drive shaft outer ball cage oil injection device, including base, stand, oil injection pump, inverted conical oil guide cylinder and lifting platform, the stand is fixedly connected on base, the oil injection pump is fixedly installed in the top side of stand by side seat, the upper end of inverted conical oil guide cylinder is fixedly provided with top cover, oil inlet port of the oil injection pump and top cover are fixedly communicated with oil pipe, the bottom end of top cover is fixedly communicated with oil injection pipe, the lifting platform is below oil injection pipe, the side of stand has sliding port, the rear side of lifting platform is fixedly connected with sliding seat, the sliding seat is slidably connected with sliding port, the sliding port is equipped with the drive assembly for driving sliding seat and lifting platform to lift, the front side of lifting platform is provided with limiting slot.
[0006] As the preferred technical scheme of the utility model, the drive assembly includes motor and screw shaft, the motor is fixedly installed in the inside top end of sliding port, the screw shaft is fixedly connected to the drive end of motor, the sliding seat is screwed on the outside of screw shaft.
[0007] As the preferred technical scheme of the utility model, the inside bottom end of sliding port is fixedly installed with bearing seat, the bearing seat is rotatably connected to the end portion of screw shaft.
[0008] The oil inlet port of the oil injection pump is fixedly connected with an oil inlet pipe, and the end of the oil inlet pipe is fixedly provided with a flange plate.
[0009] The reinforcing part is fixedly connected between the sliding base and the lifting platform.
[0010] The surface of the base is provided with positioning holes which are distributed at each end corner of the surface of the base.
[0011] Compared with the prior art, the utility model has the advantages that:
[0012] The lower end of the outer ball cage of the driving shaft is pushed into the limiting groove, the upper end of the outer ball cage of the driving shaft is arranged on the lifting platform, the lifting platform and the outer ball cage of the driving shaft are driven to ascend by the driving assembly, the oil injection port of the oil injection pipe is completely inserted into the star-shaped sleeve of the outer ball cage of the driving shaft, the side edge of the inverted conical oil guide cylinder is in contact with the inner side port edge of the star-shaped sleeve of the outer ball cage of the driving shaft, the oil is extracted by the oil injection pump, and the oil is rapidly injected into the internal space through the oil pipe, the inverted conical oil guide cylinder and the oil injection pipe in sequence, the oil overflow is effectively prevented, the surface of the outer ball cage of the driving shaft is clean when being pulled out, and the driving shaft and the operation platform are prevented from being dirty in the subsequent assembly process. BRIEF DESCRIPTION OF DRAWINGS
[0013] Figure 1 It is a first three-dimensional structure schematic view of the utility model of a kind of outer ball cage of driving shaft oil injection device;
[0014] Figure 2 It is a second three-dimensional structure schematic view of the utility model of a kind of outer ball cage of driving shaft oil injection device;
[0015] Figure 3 It is a side view structure schematic view of the utility model of a kind of outer ball cage of driving shaft oil injection device;
[0016] Figure 4 It is a partial sectional view structure schematic view when the utility model of a kind of outer ball cage of driving shaft oil injection device is used to inject oil.
[0017] In the drawing: 1, base;101, positioning hole;2, stand;201, side seat;202, sliding port;203, bearing seat;3, oil injection pump;301, oil pipe;4, sliding base;401, reinforcing part;5, driving assembly;501, motor;502, screw shaft;6, inverted conical oil guide cylinder;601, top cover;602, oil injection pipe;7, lifting platform;701, limiting groove;8, oil inlet pipe;801, flange plate;9, outer ball cage of driving shaft. DETAILED DESCRIPTION
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] like Figures 1 to 4 As shown, this utility model provides an oil injection device for an external ball cage of a drive shaft, including a base 1, a support frame 2, an oil injection pump 3, an inverted conical oil guide cylinder 6, and a lifting platform 7. The support frame 2 is fixedly connected to the base 1. The oil injection pump 3 is fixedly installed on the top side of the support frame 2 via a side seat 201. A top cover 601 is fixedly provided at the upper end of the inverted conical oil guide cylinder 6. An oil inlet port of the oil injection pump 3 is fixedly connected to the top cover 601 via an oil pipe 301. The bottom end of the top cover 601 is fixedly connected to an oil injection pipe 601. 2. The lifting platform 7 is located below the oil injection pipe 602. The side of the upright 2 has a sliding port 202. The rear side of the lifting platform 7 is fixedly connected to the sliding seat 4. The sliding seat 4 is slidably connected to the sliding port 202. The sliding port 202 is provided with a drive component 5 for driving the sliding seat 4 and the lifting platform 7 to move up and down. The front side of the lifting platform 7 has a limit groove 701, which can push the lower end of the outer ball cage 9 of the drive shaft into the limit groove 701, so that the upper end of the outer ball cage 9 of the drive shaft rests on the lifting platform 7.
[0020] Among them, such as Figure 2 As shown, the drive assembly 5 includes a motor 501 and a screw shaft 502. The motor 501 is fixedly installed at the top of the inside of the slide 202, and the screw shaft 502 is fixedly connected to the drive end of the motor 501. The slide 4 is threaded onto the outside of the screw shaft 502. The motor 501 drives the screw shaft 502 to rotate, which can drive the lifting platform 7 to move up and down.
[0021] Among them, such as Figure 2 As shown, a bearing seat 203 is fixedly installed at the bottom of the inner side of the slide 202. The bearing seat 203 is rotatably connected to the end of the screw shaft 502, thereby ensuring the rotational stability of the screw shaft 502.
[0022] Among them, such as Figure 2 As shown, the oil inlet port of the oil pump 3 is fixedly connected to the oil inlet pipe 8, and the end of the oil inlet pipe 8 is fixedly provided with a flange 801, which can be connected to the corresponding oil supply pipeline.
[0023] Among them, such as Figure 2 and Figure 3 As shown, a reinforcing part 401 is fixedly connected between the slide 4 and the lifting platform 7. The reinforcing part 401 is symmetrically distributed vertically to improve the structural strength of the connection between the slide 4 and the lifting platform 7.
[0024] Wherein, as shown in Figure 2 The surface of the base 1 is provided with positioning holes 101, which are distributed at each end corner of the surface of the base 1, so that the base 1 can be positioned and installed.
[0025] The working principle of the utility model:
[0026] In the use process, the lower end of the driving shaft outer cage 9 is pushed into the limiting groove 701, so that the upper end of the driving shaft outer cage 9 is placed on the lifting platform 7, the motor 501 is used to drive the screw shaft 502 to rotate forward, the lifting platform 7 and the driving shaft outer cage 9 can be driven to ascend, the oil injection port of the oil injection pipe 602 can be completely inserted into the star-shaped sleeve inside the driving shaft outer cage 9, the side edge of the inverted conical oil guide cylinder 6 is in contact with the inner side port edge of the star-shaped sleeve of the driving shaft outer cage 9, the oil is extracted by using the oil injection pump 3, the oil can be quickly injected into the internal space through the oil pipe 301, the inverted conical oil guide cylinder 6 and the oil injection pipe 602 in turn, the condition of oil spill is effectively prevented, after the oil injection is completed, the motor 501 is used to drive the screw shaft 502 to rotate reversely, the lifting platform 7 and the driving shaft outer cage 9 can be driven to descend, the driving shaft outer cage 9 can be pulled out along the oil injection pipe 602, the surface of the driving shaft outer cage 9 is clean when pulled out, which is beneficial to avoid dirtying the driving shaft and the operation table in the subsequent assembly process.
[0027] It should be noted that, in this text, relational terms such as first and second and the like can only be used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.
[0028] 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, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A drive shaft outer ball cage oiling device characterized by: Including base (1), stand (2), oil injection pump (3), inverted conical oil guide cylinder (6) and lifting platform (7); The stand (2) is fixedly connected to the base (1), the oil injection pump (3) is fixedly installed on the top side of the stand (2) through the side seat (201), the upper end of the inverted conical oil guide cylinder (6) is fixedly provided with a top cover (601), the oil injection pump (3) is fixedly communicated with the top cover (601) between the oil inlet port and the top cover (601), the bottom end of the top cover (601) is fixedly communicated with an oil injection pipe (602), and the lifting platform (7) is located below the oil injection pipe (602); The side surface of the stand (2) has a sliding port (202), the rear side of the lifting platform (7) is fixedly connected with a sliding seat (4), the sliding seat (4) is slidably connected with the sliding port (202), and the sliding port (202) is provided with a driving assembly (5) for driving the sliding seat (4) and the lifting platform (7) to move up and down, and the front side of the lifting platform (7) is provided with a limiting groove (701).
2. A drive shaft outer ball cage oiling device according to claim 1, characterised in that: The driving assembly (5) comprises a motor (501) and a screw shaft (502), the motor (501) is fixedly installed at the inner top end of the sliding port (202), the screw shaft (502) is fixedly connected to the driving end of the motor (501), and the sliding seat (4) is threadedly sleeved on the outer side of the screw shaft (502).
3. A drive shaft outer ball cage oiling device according to claim 2, wherein: The inner bottom end of the sliding port (202) is fixedly provided with a bearing seat (203), and the bearing seat (203) is rotatably connected to the end of the screw shaft (502).
4. The drive shaft outer ball cage oiling device of claim 1, wherein: The oil inlet port of the oil injection pump (3) is fixedly communicated with an oil inlet pipe (8), and the end of the oil inlet pipe (8) is fixedly provided with a flange (801).
5. The drive shaft outer ball cage oiling device of claim 1, wherein: The sliding seat (4) and the lifting platform (7) are fixedly connected with a reinforcing portion (401), and the reinforcing portion (401) is symmetrically distributed above and below.
6. A drive shaft outer ball cage oiling device according to claim 1, wherein: The surface of the base (1) is provided with a positioning hole (101), and the positioning holes (101) are distributed at each end angle of the surface of the base (1).