Automatic oil injection tool for transmission shaft with sliding fork

Abstract

The utility model discloses an automatic oil injection tool for a transmission shaft with a sliding fork, which belongs to the field of transmission shaft production and comprises the sliding fork, an oil injection mechanism is arranged in the sliding fork and comprises an oil inlet base, the top of the oil inlet base is in threaded connection with an oil injection core rod, the oil injection core rod extends into the sliding fork, and one side of the oil inlet base is provided with an oil inlet hole. A quantitative oil supply device is arranged at the end of the oil inlet hole, an oil supply cavity communicated with the oil inlet hole is formed in the oil inlet base, an oil injection cavity communicated with the oil supply cavity is formed in the bottom of the oil injection core rod, a plurality of oil injection holes are formed in the side wall of the oil injection core rod in the circumferential direction, and the oil injection holes are communicated with the oil injection cavity. The device has the beneficial effects that the quantitative oil supply device conveys lubricating oil to the oil supply cavity through the oil inlet hole, then the lubricating oil enters the oil injection cavity from the oil supply cavity and then uniformly enters the sliding fork spline from the periphery through the oil injection hole, and meanwhile, the quantitative oil supply device is controlled by the quantitative pump, so that quantitative standard oil injection is realized, the cost is saved, and the production efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to transmission shaft production field especially a kind of tool of automatic oiling of transmission shaft with sliding fork. BACKGROUND

[0002] Transmission shaft is the important component of automobile transmission system, transmission shaft and transmission, differential jointly act torque transmitted to wheel by engine output, drive vehicle travel.Transmission shaft is used to connect two shafts not in a straight line, usually used with universal joint, to adapt to angle change.

[0003] Transmission shaft with sliding fork is often used in spline connection in the middle of multi-section transmission shaft, and the spline connection needs to be injected with lubricating grease, but the transmission shaft with sliding fork in the prior art is usually manually injected with oil by brush, and the amount of oil injection is judged entirely by the experience of staff, so that the standard oil injection amount cannot be guaranteed, too little oil injection will cause spline to cooperate poorly, and too much oil injection will cause unnecessary waste, and excess grease is easy to overflow in the cooperation process. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a kind of tool of automatic oiling of transmission shaft with sliding fork to solve the above problems.

[0005] The utility model realizes the above-mentioned purposes by the following technical solutions:

[0006] A kind of tool of automatic oiling of transmission shaft with sliding fork, including sliding fork, oil injection mechanism is arranged in sliding fork, oil injection mechanism includes oil inlet base, the top of oil inlet base is connected with oil injection core rod by screw thread, oil injection core rod extends into sliding fork, oil inlet hole is formed in the side of oil inlet base, the end of oil inlet hole is provided with quantitative oil supply device, oil supply cavity that is communicated with oil inlet hole is formed in the inside of oil inlet base, oil injection cavity that is communicated with oil supply cavity is formed in the bottom of oil injection core rod, a plurality of oil injection holes that are arranged in the circumferential direction are formed in the side wall of oil injection core rod, and oil injection hole is communicated with oil injection cavity.

[0007] Preferably, the top of oil inlet base is provided with threaded hole, the bottom of oil injection core rod is fixedly connected with mounting column, the outer wall of mounting column is provided with thread matched with threaded hole, and oil supply cavity is communicated with oil injection cavity after penetrating mounting column.

[0008] Preferably, quantitative oil supply device includes oil supply pipe fixedly connected on the side wall of oil inlet base, and the other end of oil supply pipe is fixedly connected in the oil outlet of quantitative pump, the oil inlet of quantitative pump is fixedly connected with oil inlet pipe, and the other end of oil inlet pipe extends into oil tank.

[0009] Preferably, a plurality of groups of oil injection holes are arranged at equal intervals along the axial direction of oil injection core rod.

[0010] The top of the oil inlet base is provided with a plurality of mounting holes.

[0011] The beneficial effect is that the quantitative oil supply device delivers lubricating oil to the oil supply cavity through the oil inlet hole, and then to the oil injection cavity, and then evenly enters the sliding fork spline through the oil injection hole, and the quantitative oil supply device is controlled by a quantitative pump to realize quantitative oil injection, save cost and improve production efficiency.

[0012] The additional technical features and advantages of the present application will be more apparent in the following description, or can be understood through the specific practice of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0013] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation on the present application. In the drawings:

[0014] Figure 1 is the internal structure front view of the tool of the present application with a sliding fork transmission shaft automatic oil injection;

[0015] Figure 2 is the internal structure front view of the sliding fork of the tool of the present application with a sliding fork transmission shaft automatic oil injection;

[0016] Figure 3 is the internal structure front view of the oil inlet base of the tool of the present application with a sliding fork transmission shaft automatic oil injection;

[0017] Figure 4 is the internal structure front view of the oil injection core rod of the tool of the present application with a sliding fork transmission shaft automatic oil injection.

[0018] The reference signs are explained as follows: 1, oil inlet base; 101, mounting hole; 102, oil inlet hole; 103, oil supply cavity; 104, threaded hole; 2, oil injection core rod; 201, mounting column; 202, oil injection cavity; 203, oil injection hole; 3, sliding fork. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, not all the embodiments.

[0020] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model.

[0021] The utility model will be further described below in combination with the drawings:

[0022] As Figures 1-4 Indicated, a kind of automatic oiling of transmission shaft with sliding fork, including sliding fork 3, sliding fork 3 is provided with oiling mechanism in it, and oiling mechanism includes oil inlet base 1, several installation holes 101 are set in the top of oil inlet base 1, and oiling core rod 2 is threadedly connected to the top of oil inlet base 1, and oiling core rod 2 extends into sliding fork 3, and oil inlet hole 102 is set in the side of oil inlet base 1, and lubricating oil enters into oil inlet base 1 by oil inlet hole 102.

[0023] The end of oil inlet hole 102 is provided with quantitative oil supply device (not shown in the drawing), and quantitative oil supply device includes oil supply pipe fixedly connected to the side wall of oil inlet base 1, and the other end of oil supply pipe is fixedly connected to the oil outlet of quantitative pump, and the oil inlet of quantitative pump is fixedly connected with oil inlet pipe, and the other end of oil inlet pipe extends into oil tank, and the working principle of quantitative pump is to push liquid by the rotation of pump shaft, and fixed volume of liquid is discharged each rotation, and its structure usually includes pump shaft, piston or plunger and the like components, these components reciprocate under the drive of pump shaft, to realize the quantitative delivery of lubricating oil, and quantitative pump belongs to prior art, and will not be described in more detail.

[0024] Oil supply cavity 103 that is communicated with oil inlet hole 102 is set in the inside of oil inlet base 1, oiling cavity 202 that is communicated with oil supply cavity 103 is set in the bottom of oiling core rod 2, and a plurality of oiling holes 203 that are set in the circumferential direction are set in the side wall of oiling core rod 2, and oiling hole 203 is communicated with oiling cavity 202, and a plurality of groups of oiling holes 203 are set at equal intervals along the axial direction of oiling core rod 2.

[0025] Threaded hole 104 is set in the top of oil inlet base 1, and mounting column 201 is fixedly connected to the bottom of oiling core rod 2, and the outer wall of mounting column 201 is provided with the screw thread matched with threaded hole 104, and oil supply cavity 103 is communicated with oiling cavity 202 after penetrating mounting column 201.

[0026] Working principle: In use, first hold the oil injection mandrel 2 and screw the mounting post 201 into the threaded hole 104 to connect the oil injection mandrel 2 with the oil inlet base 1. Then, insert the oil injection mandrel 2 into the sliding fork 3 and fix the oil inlet base 1 through the mounting hole 101. Start the metering pump, which delivers lubricating oil from the oil tank to the oil inlet hole 102 through the oil supply pipe at regular intervals. The lubricating oil is then delivered to the oil supply chamber 103 through the oil inlet hole 102, and then enters the oil injection chamber 202 from the oil supply chamber 103. Finally, the lubricating oil is evenly injected into the spline of the sliding fork 3 from all sides through the oil injection hole 203, achieving metered and standardized oil injection, saving costs and improving production efficiency.

[0027] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A tool for automatic oiling of a drive shaft with sliding yoke transmission, comprising a sliding yoke (3), characterized in that: The sliding fork (3) is provided with an oil injection mechanism, the oil injection mechanism comprises an oil inlet base (1), a oil injection rod (2) is screwed on the top of the oil inlet base (1), the oil injection rod (2) extends into the sliding fork (3), an oil inlet hole (102) is formed in one side of the oil inlet base (1), the end of the oil inlet hole (102) is provided with a quantitative oil supply device, an oil supply cavity (103) is formed in the oil inlet base (1) and communicates with the oil inlet hole (102), an oil injection cavity (202) is formed in the bottom of the oil injection rod (2) and communicates with the oil supply cavity (103), a plurality of oil injection holes (203) are formed in the side wall of the oil injection rod (2) and are arranged in the circumferential direction, and the oil injection holes (203) communicate with the oil injection cavity (202).

2. The automatic oiling tool for a transmission shaft with sliding fork drive according to claim 1, characterized in that: A threaded hole (104) is formed in the top of the oil inlet base (1), a mounting column (201) is fixedly connected to the bottom of the oil injection rod (2), the outer wall of the mounting column (201) is provided with threads matched with the threaded hole (104), and the oil supply cavity (103) communicates with the oil injection cavity (202) after penetrating through the mounting column (201).

3. The automatic oiling tool of a transmission shaft with sliding fork drive according to claim 1, characterized in that: The quantitative oil supply device comprises an oil supply pipe fixedly connected to the side wall of the oil inlet base (1), the oil supply pipe communicates with the oil inlet hole (102), the other end of the oil supply pipe is fixedly connected to the oil outlet of a quantitative pump, the oil inlet of the quantitative pump is fixedly connected with an oil inlet pipe, and the other end of the oil inlet pipe extends into an oil tank.

4. The automatic oiling tool of a transmission shaft with sliding fork drive according to claim 1, characterized in that: The oil injection holes (203) are arranged in multiple groups at equal intervals along the axial direction of the oil injection rod (2).

5. The automatic oiling tool for a sliding yoke drive shaft according to claim 1, characterized in that: A plurality of mounting holes (101) are formed in the top of the oil inlet base (1).

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