CN211118197U

CN211118197U - Pipeline connecting device

Info

Publication number: CN211118197U
Application number: CN201921415783.4U
Authority: CN
Inventors: 俞剑峰; 程前峰; 李波
Original assignee: Y&C Engine Co Ltd
Current assignee: Y&C Engine Co Ltd
Priority date: 2019-08-29
Filing date: 2019-08-29
Publication date: 2020-07-28
Anticipated expiration: 2029-08-29

Abstract

The utility model discloses a pipeline connecting device, including coupling, connection elbow, spherical joint, lock sleeve and transition joint, the connection elbow both ends are equipped with the external screw thread, and connection elbow one end is passed through external screw thread and coupling joint, and external screw thread and spherical joint connection are passed through to one end in addition, the lock sleeve cover is established on spherical joint, and rotates with spherical joint to be connected, spherical joint tip is equipped with convex sphere, the transition joint tip is equipped with concave sphere, lock sleeve and transition joint pass through threaded connection, and lock sleeve and transition joint screw up the back, and convex sphere and concave sphere closely laminate, solve the installation spatial position of pipeline in the background art and be limited, the problem that the pipeline connecting device kind that pipeline export direction irregularity brought is complicated and installation effectiveness is low.

Description

Pipeline connecting device

Technical Field

The utility model belongs to the technical field of the coupling, specifically speaking, the utility model relates to a pipeline connecting device.

Background

In mechanical equipment, in order to realize lubrication, cooling or air supply of the mechanical equipment, an oil circuit system, a water circuit system or an air circuit system can be involved, the pipe connection of the mechanical equipment is various, particularly, the positions of a plurality of pipeline connections such as a lubrication system, a cooling system and a braking system of an engine are designed, the assembly space of the mechanical equipment is limited, the outlet direction of each pipeline is irregular, pipeline connection devices with different specifications are required to be adopted, the pipeline connection devices are complex in type on one side, and the connection of various pipelines of the engine cannot be simply and quickly carried out on the other side.

SUMMERY OF THE UTILITY MODEL

The utility model provides a pipeline connecting device, the installation spatial position of pipeline is restricted among the solution background art, and the irregular pipeline connecting device that brings of pipeline export direction problem that the kind is complicated and the installation effectiveness is low.

In order to realize the purpose, the utility model discloses the technical scheme who takes does: the utility model provides a pipeline connecting device, includes coupling, connection elbow, spherical joint, lock sleeve and transition joint, the connection elbow both ends are equipped with the external screw thread, and connection elbow one end is passed through the external screw thread and is connected with the coupling, and external screw thread and spherical joint are passed through to one end in addition, the lock sleeve cover is established on spherical joint, and rotates with spherical joint to be connected, spherical joint tip is equipped with convex sphere, transition joint tip is equipped with concave sphere, lock sleeve and transition joint pass through threaded connection, and after lock sleeve and transition joint screwed up, convex sphere and concave sphere closely laminated.

Preferably, the outer wall of the pipe joint is provided with a convex ring.

Preferably, the lock sleeve is of a hexagonal prism structure, the inner wall of the lock sleeve is provided with internal threads, and the end part of the lock sleeve is provided with a ring shoulder in clearance fit with the spherical joint.

Preferably, the outer wall of the transition joint is provided with a first nut.

Preferably, the bending angle of the connecting bent pipe is 0-180 degrees.

The beneficial effect of adopting above technical scheme is:

1. the pipeline connecting device is characterized in that external threads are arranged at two ends of the connecting elbow, one end of the connecting elbow is connected with a pipe joint through the external threads, the other end of the connecting elbow is connected with a spherical joint through the external threads, a lock sleeve is sleeved on the spherical joint and is rotatably connected with the spherical joint, the end part of the spherical joint is provided with a convex spherical surface, the end part of the transition joint is provided with a concave spherical surface, the lock sleeve and the transition joint are connected through threads, the convex spherical surface and the concave spherical surface are tightly attached to each other after the lock sleeve and the transition joint are screwed, the transition joint is assembled on the oil cooler when a pipeline is assembled, the spherical joint penetrates into the lock sleeve, the external threads at one end of the connecting elbow are screwed into the spherical joint, then the lock sleeve is screwed on the transition joint, and then the connecting elbow and the spherical joint rotate around the central axis of the transition joint according to the limited, until the connecting elbow is adjusted to meet the requirements of installation space and the outlet direction of a pipeline, a wrench is clamped on a nut I to ensure that a transition joint does not rotate, another wrench is clamped on a lock sleeve, the lock sleeve is rotated, and along with the further screwing of the lock sleeve and the transition joint, a ring shoulder at the end part of the lock sleeve pushes a spherical joint and the connecting elbow to move until a convex spherical surface on the spherical joint and a concave spherical surface on the transition joint are firmly pressed and sealed, then the pipe joint is connected with the connecting elbow, and the pipeline communicated with the connecting elbow is connected, so that the problems that the installation space position of the pipeline is limited, the type of a pipeline connecting device is complex and the installation efficiency is low due to the irregular outlet direction of the pipeline in the background technology are solved; in addition, the pipelines with different diameters are connected by replacing the pipe joints.

2. The outer wall of the pipe joint is provided with a convex ring, the rubber pipe is sleeved on the convex ring and then is clamped tightly through a clamping ring, and therefore the connection of the rubber pipe pipeline and the pipe joint is convenient to tension and seal; the lock sleeve is of a hexagonal prism structure, the inner wall of the lock sleeve is provided with internal threads, and the end part of the lock sleeve is provided with a ring shoulder which is in clearance fit with the spherical joint, so that the convex spherical surface on the spherical joint and the concave spherical surface on the transition joint can be firmly pressed and sealed only by rotating the lock sleeve, and the operation is simple; the first nut is arranged on the outer wall of the transition joint, so that a wrench can conveniently prevent the transition joint from rotating; the bending angle of the connecting bent pipe is 0-180 degrees, and the connecting bent pipe with proper bending degree is selected according to the installation space requirement and the outlet direction of the pipeline, so that the requirements of various installation positions are met.

Drawings

FIG. 1 is an assembly view of the line connection device;

FIG. 2 is a cross-sectional view of the line connection;

FIG. 3 is a schematic view of the installation of the pipeline connecting device in a use scene;

wherein:

1. a pipe joint; 2. connecting a bent pipe; 3. a spherical joint; 4. a lock sleeve; 5. a transition joint; 10. a convex ring; 30. a convex spherical surface; 40. a ring shoulder; 50. a concave spherical surface; 51. and a first nut.

Detailed Description

The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings, for the purpose of helping those skilled in the art to understand more completely, accurately and deeply the conception and technical solution of the present invention, and to facilitate its implementation.

As shown in fig. 1 to 3, the utility model relates to a pipeline connecting device, which solves the problems that the installation space position of the pipeline in the background art is limited, the pipeline connecting device which is brought by the irregularity of the pipeline outlet direction has complex types and low installation efficiency.

Specifically speaking, as shown in fig. 1 to 3, including coupling 1, connecting elbow 2, spherical joint 3, lock sleeve 4 and transition joint 5, connecting elbow 2 both ends are equipped with the external screw thread, and connecting elbow 2 one end is passed through the external screw thread and is connected with coupling 1, and the external screw thread is passed through to one end in addition and is connected with spherical joint 3, lock sleeve 4 cover is established on spherical joint 3, and rotates with spherical joint 3 and be connected, spherical joint 3 tip is equipped with convex spherical surface 30, transition joint 5 tip is equipped with concave spherical surface 50, lock sleeve 4 and transition joint 5 pass through threaded connection, and lock sleeve 4 and transition joint 5 screw up the back, and convex spherical surface 30 and concave spherical surface 50 closely laminate.

As shown in fig. 1 and 2, a convex ring 10 is arranged on the outer wall of the pipe joint 1.

As shown in fig. 1 and 2, the lock sleeve 4 has a hexagonal prism structure, an inner wall is provided with an internal thread, and an end portion is provided with a ring shoulder 40 in clearance fit with the spherical joint 3.

As shown in fig. 1, a first nut 51 is arranged on the outer wall of the transition joint 5.

The bending angle of the connecting bent pipe 2 is 0-180 degrees.

The following specific working modes are illustrated by specific examples:

example 1:

the pipeline connecting device is characterized in that external threads are arranged at two ends of a connecting elbow 2, one end of the connecting elbow 2 is connected with a pipe joint 1 through the external threads, the other end of the connecting elbow is connected with a spherical joint 3 through the external threads, a lock sleeve 4 is sleeved on the spherical joint 3 and is rotationally connected with the spherical joint 3, the end part of the spherical joint 3 is provided with a convex spherical surface 30, the end part of a transition joint 5 is provided with a concave spherical surface 50, the lock sleeve 4 is connected with the transition joint 5 through threads, after the lock sleeve 4 and the transition joint 5 are screwed, the convex spherical surface 30 and the concave spherical surface 50 are tightly attached, when the pipeline is assembled, the transition joint 5 is assembled on an oil cooler, the spherical joint 3 penetrates the lock sleeve 4, then the external threads at one end of the connecting elbow 2 are screwed into the spherical joint 3, then the lock sleeve 4 is screwed on the transition joint 5, and then according to the limited installation, the connecting elbow 2 and the spherical joint 3 are rotated around the central axis of the transition joint 5 until the connecting elbow 2 is adjusted to meet the requirements of installation space and pipeline outlet direction, then, one wrench is clamped on the first nut 51 to ensure that the transition joint 5 does not rotate, then the other wrench is clamped on the lock sleeve 4 to rotate the lock sleeve 4, along with the further screwing of the lock sleeve 4 and the transition joint 5, the annular shoulder 40 at the end part of the lock sleeve 4 pushes the spherical joint 3 and the connecting elbow 2 to move until the convex spherical surface 30 on the spherical joint 3 is tightly pressed and sealed with the concave spherical surface 50 on the transition joint 5, then the pipe joint 1 is connected with the connecting bent pipe 2 and connected with a communicated pipeline, so that the problems of complex types of pipeline connecting devices and low installation efficiency caused by limited installation space positions of the pipelines and irregular pipeline outlet directions in the background technology are solved; in addition, the connection of lines of different diameters is achieved by replacing the pipe connection 1.

Example 2:

on the basis of the embodiment 1, the outer wall of the pipe joint 1 is provided with the convex ring 10, the rubber pipe is sleeved on the convex ring 10 and then is clamped tightly through the clamping ring, so that the connection of the rubber pipe pipeline and the pipe joint 1 is convenient to tension and seal; the lock sleeve 4 is of a hexagonal prism structure, the inner wall of the lock sleeve is provided with internal threads, and the end part of the lock sleeve is provided with the annular shoulder 40 in clearance fit with the spherical joint 3, so that the convex spherical surface 30 on the spherical joint 3 and the concave spherical surface 50 on the transition joint 5 can be firmly pressed and sealed only by rotating the lock sleeve 4, and the operation is simple; a first nut 51 is arranged on the outer wall of the transition joint 5, so that a wrench can conveniently prevent the transition joint 5 from rotating; the bending angle of the connecting bent pipe 2 is 0-180 degrees, and the connecting bent pipe 2 with proper bending is selected according to the installation space requirement and the outlet direction of the pipeline, so that the requirements of various installation positions are met.

The present invention has been described in detail with reference to the accompanying drawings, and it is to be understood that the invention is not limited to the specific embodiments, but is intended to cover various insubstantial modifications, including those made by the method and technical solutions of the present invention; or without improvement, the above conception and technical solution of the present invention can be directly applied to other occasions, all within the protection scope of the present invention.

Claims

1. A pipe connection device, characterized by: including coupling (1), connecting bend (2), spherical joint (3), lock sleeve (4) and transition joint (5), connecting bend (2) both ends are equipped with the external screw thread, and connecting bend (2) one end is passed through the external screw thread and is connected with coupling (1), and the external screw thread is passed through to one end in addition and is connected with spherical joint (3), lock sleeve (4) cover is established on spherical joint (3), and rotates with spherical joint (3) and be connected, spherical joint (3) tip is equipped with convex sphere (30), transition joint (5) tip is equipped with concave sphere (50), threaded connection is passed through in lock sleeve (4) and transition joint (5), and after lock sleeve (4) and transition joint (5) screw up, convex sphere (30) and concave sphere (50) closely laminate.

2. A pipe connecting device according to claim 1, wherein: the outer wall of the pipe joint (1) is provided with a convex ring (10).

3. A pipe connecting device according to claim 1, wherein: the lock sleeve (4) is of a hexagonal prism structure, internal threads are arranged on the inner wall of the lock sleeve, and a ring shoulder (40) in clearance fit with the spherical joint (3) is arranged at the end part of the lock sleeve.

4. A pipe connecting device according to claim 1, wherein: and a first nut (51) is arranged on the outer wall of the transition joint (5).

5. A pipe connecting device according to claim 1, wherein: the bending angle of the connecting bent pipe (2) is 0-180 degrees.