CN202302405U - Pipe joint for automobile high-pressure oil pipe - Google Patents

Abstract

The utility model provides a pipe joint of an automobile high-pressure oil pipe, which belongs to the technical field of automobile connecting pipes. It solves the problem of easy oil leakage risk at the existing high-pressure oil pipe and steering pump oil port connection. The pipe joint of the high-pressure oil pipe of the automobile, the high-pressure oil pipe is connected to the oil port of the automobile steering pump through the pipe joint. The movable connecting sleeve in the pump oil port has a flare at the connecting end of the pipe body to prevent the movable connecting sleeve from moving out of the connecting end. The utility model has simple structure and low cost, can reduce the risk of oil leakage at the joint between the high-pressure oil pipe and the oil port of the steering pump, and ensures the connection performance of the high-pressure oil pipe and the oil port of the steering pump.

Description

A pipe joint for automobile high-pressure oil pipe

technical field

The utility model belongs to the technical field of automobile connecting pipes, and relates to a pipe joint of automobile high-pressure oil pipes.

Background technique

At present, the connection method between the power steering pump and the high-pressure oil pipe of most automobiles on the market is to connect the high-pressure oil pipe and the oil port of the steering pump through a special stud bolt, so that the high-pressure oil pipe and the steering pump are firmly connected. The specific connection The structure is: the inner wall of the high-pressure oil pipe is provided with internal threads, and the inner wall of the oil port of the steering pump is also provided with internal threads. A hollow stud bolt is arranged between the high-pressure oil pipe and the steering pump. The two ends of the stud bolt The outer wall is provided with an external thread, one end of the stud bolt is screwed on the high-pressure oil pipe, and the other end of the stud bolt is screwed to the oil port of the steering pump.

The connection between the above-mentioned steering pump and the high-pressure oil pipe is screwed and tightened with the high-pressure oil pipe and the oil port of the steering pump respectively through stud bolts, which increases the risk of oil leakage at the connection between the high-pressure oil pipe and the oil port of the steering pump, which may cause damage to the power steering pump. Oil leaks.

Contents of the invention

The purpose of this utility model is to provide a kind of pipe joint of automobile high-pressure oil pipe which can reduce the risk of oil leakage through the connection of high-pressure oil pipe and steering pump oil port through stud bolts.

The purpose of the utility model can be achieved through the following technical proposals: a pipe joint of a high-pressure oil pipe of an automobile, the high-pressure oil pipe is connected to the oil port of the steering pump of the automobile through a pipe joint, and the pipe joint includes a pipe body, which is sleeved on the pipe body Establish a flexible joint sleeve that can move along the length direction of the pipe body and can be connected in the oil port of the above-mentioned automobile steering pump. There is a flare at the connecting end of the pipe body to prevent the flexible joint sleeve from moving out of the joint end.

A connecting sleeve is sleeved on the pipe joint of the high-pressure oil pipe of the automobile, and the pipe joint is screw-connected with the oil port of the steering pump of the automobile through the connecting sleeve, thereby reducing the risk of oil leakage at the joint between the high-pressure oil pipe and the oil port of the steering pump.

In the above-mentioned pipe joint of the high-pressure oil pipe of the automobile, the outer wall of the connecting sleeve is provided with an external thread that cooperates and is screwed with the internal thread of the oil port of the automobile steering pump. The external thread of the connecting sleeve is screwed and fixed with the internal thread of the oil port of the automobile steering pump.

In the above-mentioned pipe joint of the high-pressure oil pipe of the automobile, the flared mouth is a bell mouth that can cooperate with the inner boss in the oil port of the steering pump of the automobile. The bell mouth of this pipe joint interferes on the inner boss in the oil port of the steering pump.

In the above-mentioned pipe joint of the automobile high-pressure oil pipe, the diameter of one end of the bell mouth is smaller than the diameter of the outer wall of the connecting sleeve. The purpose of this setting is to allow the pipe body to block the connecting sleeve through the bell mouth, so that the bell mouth of the pipe body directly connects with the inner boss in the oil port of the steering pump, reducing the oil leakage at the connection between the high pressure oil pipe and the oil port of the steering pump risk.

Compared with the prior art, the pipe joint of the high-pressure oil pipe of the automobile is provided with a flexible connecting sleeve capable of moving along the length direction of the pipe body on the pipe body. The external thread of the screw connection, the high-pressure oil pipe is directly screwed into the oil port of the steering pump through the connecting sleeve, which reduces the risk of oil leakage at the connection between the high-pressure oil pipe and the oil port of the steering pump. The inner boss in the oil port cooperates with the docked bell mouth, which also reduces the risk of oil leakage when the high-pressure oil pipe and the oil port of the steering pump are connected. Reduce the risk of oil leakage, and ensure the connection performance of the high-pressure oil pipe and the oil port of the steering pump.

Description of drawings

Fig. 1 is a schematic cross-sectional structure diagram of a pipe joint of a high-pressure fuel pipe of an automobile.

Fig. 2 is a diagram of the use state of the pipe joint of the high-pressure oil pipe of the automobile.

In the figure, 1, pipe body; 1a, bell mouth; 2, steering pump oil port; 2a, boss; 3, connecting sleeve; 3a, external thread.

Detailed ways

The following are specific embodiments of the utility model and in conjunction with the accompanying drawings, the technical solution of the utility model is further described, but the utility model is not limited to these embodiments.

As shown in Figure 1 or Figure 2, the high-pressure oil pipe of the automobile is connected to the oil port 2 of the steering pump of the automobile through a pipe joint. The connecting sleeve 3 can move along the length direction of the pipe body 1, and has a bell mouth 1a at the connecting end of the pipe body 1, and the bell mouth 1a can be matched with the inner boss 2a in the oil port 2 of the automobile steering pump. The diameter of one end of the large mouth of the bell mouth 1a is smaller than the diameter of the outer wall of the connecting sleeve 3, and the pipe body 1 can block the connecting sleeve 3 on the pipe body 1 through the bell mouth 1a to prevent the connecting sleeve 3 from moving out of the connecting end, so that the bell mouth 1a can directly Cooperate with the inner boss 2a in the oil port 2 of the steering pump; the outer wall of the connecting sleeve 3 is provided with an external thread 3a, and the oil port 2 of the automobile steering pump is provided with an internal thread, and the connecting sleeve 3 is connected to the automobile steering pump through the external thread 3a. The inner thread in the oil port 2 cooperates with the screw connection to securely connect it in the oil port 2 of the automobile steering pump.

The specific embodiments described herein are only examples to illustrate the spirit of the present invention. Those skilled in the technical field to which the utility model belongs can make various modifications or supplements to the described specific embodiments or adopt similar methods to replace them, but they will not deviate from the spirit of the utility model or go beyond the appended claims defined range.

Claims (4)

1. the pipe joint of a vehicle high-pressure oil pipe; This high-pressure oil pipe is connected on the steering pump of automobile hydraulic fluid port (2) through pipe joint; Described pipe joint comprises body (1), it is characterized in that, goes up sheathed one at body (1) and can move along body (1) length direction; And can be connected the flexible connection cover (3) in the above-mentioned steering pump of automobile hydraulic fluid port (2), have one in the connecting end end of body (1) and prevent to flexibly connect the enlarging that cover (3) shifts out the connecting end end.

2. the pipe joint of vehicle high-pressure oil pipe according to claim 1 is characterized in that, the outer wall of said connecting sleeve (3) is provided with the outside thread (3a) that is spirally connected with steering pump of automobile hydraulic fluid port (2) screw-internal thread fit.

3. the pipe joint of vehicle high-pressure oil pipe according to claim 1 is characterized in that, described enlarging be one can cooperate with the inner convex platform (2a) in the steering pump of automobile hydraulic fluid port (2) butt joint horn mouth (1a).

4. the pipe joint of vehicle high-pressure oil pipe according to claim 3 is characterized in that, the diameter of the big mouthful end of said horn mouth (1a) is less than the diameter of connecting sleeve (3) outer wall.

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