Automobile pipeline connection sealing joint

Abstract

The utility model discloses an automobile pipeline connection sealing joint, and relates to the technical field of sealing joint equipment, the automobile pipeline connection sealing joint comprises a first pipe head, a second pipe head, a fixing nut, a communicating pipeline and a limiting ring, the communicating pipeline is arranged on the left side of the first pipe head, the fixing nut is installed on the right side of the first pipe head, and the second pipe head is installed on the right side of the fixing nut; a flow guide pipe is installed in the left side of the second pipe head, a second sealing ring is arranged at the center line position of the flow guide pipe, a limiting ring is arranged on the right side of the flow guide pipe, a spring is installed in the second pipe head, and a flow blocking ball is installed on the left side of the spring. The flow blocking ball can be blocked in a communicating pipeline through supporting force, internal oil leakage can be prevented when the connector is not connected, and eight square openings are evenly formed in the two ends of the flow guide pipe. When the second pipe head is in butt joint with the first pipe head, the flow blocking ball can be ejected out, and smooth running of oil liquid is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of sealing joint equipment, in particular to a sealing joint for connecting automobile pipelines. Background Art

[0002] Automobile refers to a non-track-borne vehicle driven by power and having 4 or more wheels, mainly used for: carrying people and (or) goods; towing vehicles carrying people and (or) goods; special purposes, but the existing automobile pipe joints have shortcomings, such as:

[0003] Publication No.: CN205101734U describes a pipe connector, which includes a connector and a nut. The connector includes a connecting part, an external thread and a pipe joint, and the connecting part, the external thread and the pipe joint are connected in sequence; the nut includes a cap body with an internal thread and a clamping buckle; the pipe joint is provided with a clamping surface; the upper edge of the cap body is provided with a clamping buckle. Since the equipment adopts a traditional bolt connection method, the oil must be completely drained during the replacement and maintenance process, which will greatly increase the difficulty of operation and the installation steps, resulting in time-consuming and labor-intensive problems. Utility Model Content

[0004] The purpose of the utility model is to provide a sealing joint for connecting automobile pipelines, so as to solve the problem proposed in the above background technology that the equipment on the existing market adopts the traditional bolt connection method, and during the replacement and maintenance process, all the oil must be drained, which will greatly increase the difficulty of operation and installation steps, resulting in time-consuming and labor-intensive problems.

[0005] To achieve the above object, the utility model provides the following technical solutions: an automobile pipeline connection sealing joint, comprising a first pipe head, a second pipe head, a fixing nut, a connecting pipe and a limit ring;

[0006] A connecting pipeline is opened on the left side of the first pipe head, and a fixing nut is installed on the right side of the first pipe head, a second pipe head is installed on the right side of the fixing nut, a flow guide pipe is installed inside the left side of the second pipe head, a second sealing ring is arranged at the midline position of the flow guide pipe, and a limiting ring is arranged on the right side of the flow guide pipe, a spring is installed in the second pipe head, and a flow control ball is installed on the left side of the spring.

[0007] As a preferred technical solution of the utility model, the outer ring on the right side of the first tube head is slidably connected to the fixing nut, and a protrusion is provided at the connection position of the fixing nut on the right side of the first tube head to clamp the fixing nut on the right side of the first tube head;

[0008] By adopting the above technical solution, the device can prevent the fixing nut from escaping and falling by installing the fixing nut on the right outer ring of the first pipe head, and the structure in which the fixing nut is integrated with the first pipe head can increase the installation speed.

[0009] As a preferred technical solution of the utility model, a connecting pipeline is provided at the center of the first pipe head, and a cavity is provided on the right side of the connecting pipeline, a spring is fixedly connected to the right side of the cavity, a flow-blocking ball is installed on the right side of the spring, a groove structure is provided on the right side of the first pipe head, and a first sealing ring is fixedly connected to the right side of the first pipe head;

[0010] By adopting the above technical solution, the device sets a spring on the side of the baffle ball, and can block the baffle ball in the connecting pipeline through the supporting force, thereby preventing internal oil leakage when the joint is not connected.

[0011] As a preferred technical solution of the utility model, a second tube head is provided on the right side of the first tube head to fit with the groove of the first tube head, a thread is provided on the outer ring of the left side of the second tube head, and the internal arrangement corresponds to the internal structure of the first tube head;

[0012] By adopting the above technical solution, the device can be easily docked during installation and replacement, thereby improving installation efficiency and accuracy.

[0013] As a preferred technical solution of the utility model, a groove is provided on the left side connecting pipeline of the second pipe head, and the guide pipe is slidably connected to the groove of the left side connecting pipeline of the second pipe head, the right side of the guide pipe is fixedly connected to a limiting ring, and the centerline position of the guide pipe is fixedly connected to a second sealing ring, and eight square openings are evenly provided at both ends of the guide pipe.

[0014] By adopting the above technical solution, the device evenly opens eight square openings at both ends of the guide pipe. When the second pipe head is connected with the first pipe head, the flow-blocking ball can be pushed out and the oil can be ensured to flow smoothly.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] The device can prevent the fixing nut from escaping and falling by installing the fixing nut on the right outer ring of the first pipe head, and the structure of the fixing nut and the first pipe head being integrated can improve the installation speed;

[0017] The device sets a spring on the side of the flow-blocking ball, and can block the flow-blocking ball in the connecting pipeline through the supporting force, which can prevent the internal oil from leaking when the joint is not connected. Eight square openings are evenly opened at both ends of the guide pipe. When the second pipe head is connected to the first pipe head, the flow-blocking ball can be pushed out and the oil can flow smoothly. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a left-side perspective structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the three-dimensional structure of the utility model from the left side of the section;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the first pipe head of the utility model when viewed from the bottom on the right side of the cross section;

[0021] Figure 4 It is a schematic diagram of the left visual three-dimensional structure of the second tube head section of the utility model.

[0022] In the figure: 1. first pipe head; 2. second pipe head; 3. fixing nut; 4. connecting pipe; 5. flow-blocking ball; 6. first sealing ring; 7. spring; 8. flow guide tube; 9. second sealing ring; 10. limiting ring. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 , the technical scheme of the utility model: an automobile pipeline connection sealing joint, comprising a first pipe head 1, a second pipe head 2, a fixing nut 3, a connecting pipe 4, a flow-blocking ball 5, a first sealing ring 6, a spring 7, a guide pipe 8, a second sealing ring 9 and a limit ring 10;

[0025] A connecting pipeline 4 is provided on the left side of the first pipe head 1, and a fixing nut 3 is slidably connected to the outer ring of the right side of the first pipe head 1, and a protrusion is provided at the connecting position of the fixing nut 3 on the right side of the first pipe head 1 to clamp the fixing nut 3 on the right side of the first pipe head 1. The device can prevent the fixing nut 3 from escaping and falling by installing the fixing nut 3 on the outer ring of the right side of the first pipe head 1, and the structure of the fixing nut 3 and the first pipe head 1 as an integrated whole can improve the installation speed, and a fixing nut 3 is installed on the right side of the first pipe head 1, a connecting pipeline 4 is provided at the center of the first pipe head 1, and a cavity is provided on the right side of the connecting pipeline 4, a spring 7 is fixedly connected to the right side of the cavity, a flow-blocking ball 5 is installed on the right side of the spring 7, the right side of the first pipe head 1 is provided with a groove structure, and the right side of the first pipe head 1 is fixedly connected to the first sealing ring 6, and the device can block the flow-blocking ball 5 in the connecting pipeline 4 by supporting force by arranging the spring 7 on the side of the flow-blocking ball 5, so as to prevent internal oil leakage when the joint is not connected, and the fixing nut 3 is provided as an integrated structure. A second pipe head 2 is installed on the right side of the mother 3, a guide pipe 8 is installed inside the left side of the second pipe head 2, a second sealing ring 9 is arranged at the midline position of the guide pipe 8, a second pipe head 2 is arranged on the right side of the first pipe head 1, which is fitted with the groove of the first pipe head 1, a thread is arranged on the outer ring of the left side of the second pipe head 2, and the internal arrangement corresponds to the internal structure of the first pipe head 1. The device can be easily docked during installation and replacement, thereby improving installation efficiency and accuracy, and a limiting ring 10 is arranged on the right side of the guide pipe 8, a spring 7 is installed in the second pipe head 2, and a blocking ball 5 is installed on the left side of the spring 7, a groove is arranged on the left side of the connecting pipeline 4 of the second pipe head 2, and the guide pipe 8 is slidably connected to the groove of the connecting pipeline 4 on the left side of the second pipe head 2, a limiting ring 10 is fixedly connected to the right side of the guide pipe 8, and a second sealing ring 9 is fixedly connected to the midline position of the guide pipe 8, eight square openings are evenly opened at both ends of the guide pipe 8, and the device evenly opens eight square openings at both ends of the guide pipe 8. When the second pipe head 2 is connected to the first pipe head 1, the flow-blocking ball 5 can be pushed out to ensure smooth flow of the oil.

[0026] Working principle: When using this kind of automobile pipeline connection sealing joint, after fixing the oil pipeline to the second pipe head 2 and the first pipe head 1 respectively, the side of the flow-blocking ball 5 is squeezed under the action of the spring 7, and the flow-blocking ball 5 can be blocked in the connecting pipe 4 by the supporting force, which can prevent the internal oil from leaking when the joint is not connected. When the second pipe head 2 and the first pipe head 1 are connected and the fixing nut 3 is tightened, the guide pipe 8 in the second pipe head 2 will evenly flush the flow-blocking balls 5 in the second pipe head 2 and the first pipe head 1, and under the action of the second sealing ring 9, the oil will be restricted to circulate in the connecting pipe 4.

[0027] Thereby completing a series of tasks, the contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0028] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A sealing joint for connecting automobile pipelines, comprising a first pipe head (1), a second pipe head (2), a fixing nut (3), a connecting pipe (4) and a limiting ring (10), characterized in that: A connecting pipe (4) is provided on the left side of the first pipe head (1), and a fixing nut (3) is installed on the right side of the first pipe head (1), a second pipe head (2) is installed on the right side of the fixing nut (3), a flow guide pipe (8) is installed inside the left side of the second pipe head (2), a second sealing ring (9) is provided at the midline position of the flow guide pipe (8), and a limiting ring (10) is provided on the right side of the flow guide pipe (8), a spring (7) is installed inside the second pipe head (2), and a flow blocking ball (5) is installed on the left side of the spring (7).

2. The automotive pipeline connection sealing joint according to claim 1, characterized in that: The outer ring on the right side of the first tube head (1) is slidably connected to the fixing nut (3), and a protrusion is provided at the connection position of the fixing nut (3) on the right side of the first tube head (1) to clamp the fixing nut (3) on the right side of the first tube head (1).

3. The automobile pipeline connection sealing joint according to claim 2, characterized in that: A connecting pipe (4) is provided at the center of the first pipe head (1), and a cavity is provided on the right side of the connecting pipe (4). A spring (7) is fixedly connected to the right side of the cavity, and a flow-blocking ball (5) is installed on the right side of the spring (7). The right side of the first pipe head (1) is provided with a groove structure, and a first sealing ring (6) is fixedly connected to the right side of the first pipe head (1).

4. The automobile pipeline connection sealing joint according to claim 3, characterized in that: A second tube head (2) is arranged on the right side of the first tube head (1) and fits into the groove of the first tube head (1); a thread is arranged on the left outer ring of the second tube head (2), and the internal arrangement corresponds to the internal structure of the first tube head (1).

5. The automobile pipeline connection sealing joint according to claim 4, characterized in that: The left side connecting pipe (4) of the second pipe head (2) is provided with a groove, and the guide pipe (8) is slidably connected to the groove of the left side connecting pipe (4) of the second pipe head (2), the right side of the guide pipe (8) is fixedly connected to a limit ring (10), and the center line position of the guide pipe (8) is fixedly connected to a second sealing ring (9), and eight square openings are evenly opened at both ends of the guide pipe (8).

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