CN217108632U

CN217108632U - Quick docking mechanism

Info

Publication number: CN217108632U
Application number: CN202123025406.XU
Authority: CN
Inventors: 谷万淼; 宋则良; 范红旗; 胡林华
Original assignee: Zhengzhou Aircraft Equipment Co Ltd
Current assignee: Zhengzhou Aircraft Equipment Co Ltd
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-08-02
Anticipated expiration: 2031-12-03

Abstract

The utility model relates to a quick docking mechanism, this docking mechanism are the form that improves into two planar docks of ring flange with the form that one section pipeline axial inserted another section pipeline, and the clearance that utilizes the automatic adjustment function of sphere to realize the ring flange plane when compressing tightly simultaneously is even. The sealing mode of the sealing ring is plane sealing, so that the mechanical friction is reduced, and the service life is longer. And can accomplish butt joint and separation between the inflation inlet fast with, promote butt joint efficiency, the specially adapted has the occasion of quick replacement gas cylinder demand.

Description

Quick docking mechanism

Technical Field

The utility model relates to a quick docking mechanism belongs to technical field of the structure.

Background

The common plug-in quick butt-joint mechanism adopts one section of pipeline to be axially inserted into the other section of pipeline, uses a sleeve part to control a movable steel ball or a jacking block with similar function to lock or unlock the axial positions of the two sections of pipelines, and uses a sealing ring to seal a gap between the two sections of pipelines. The mechanism of this form requires that at least one end connects can provide the necessary axial motion of inserting when the butt joint, need reserve longer hose and can't fix, and the butt joint interface inserts the round hole for the cylinder moreover, and the machining precision requirement is very high, and the sealed face of cylinder of fish tail easily during the butt joint, connects and need with the friction of sealing washer hole, and the sealing washer wearing and tearing are great, and the sealing washer is located inside the butt joint hole moreover, difficult change. These problems limit the range of applications for conventional quick docking mechanisms.

Disclosure of Invention

In order to solve the problem, the utility model provides a quick docking mechanism, its purpose has simple structure, convenient operation, maintainability good, the advantage that the manufacturability is good when realizing quick butt joint, is particularly suitable for being applied to the work occasion that needs quick replacement large capacity gas cylinder.

The purpose of the utility model is realized through the following technical scheme:

the quick butt joint mechanism comprises an upper containing frame 1, an upper pressure plate 2, a rotating shaft 3, a lower pressure plate 4, a sealing ring 5 and a joint 6, wherein the lower surface of the upper containing frame 1 is an inwards concave spherical surface and is attached to the upper surface of the upper pressure plate 2 in an outwards convex spherical surface mode, a through central hole is processed along the central line of the combination of the upper and lower surfaces, the central hole of the upper pressure plate 2 is used as a fixed pipe joint and provided with a cylindrical outer wall and penetrates through the central hole of the upper containing frame 1, the upper containing frame 1 and the lower pressure plate 4 are hinged together through the rotating shaft 3 and can drive the upper pressure plate 2 to open and close relative to the lower pressure plate 4, a radial groove 7 is processed on the lower pressure plate 4 and used for radially inserting the joint 6 serving as a movable pipe joint along the lower pressure plate 4, a central hole for inserting a pipe fitting is also processed along the central line of the joint 6, and the upper surface of the joint 6 and the lower surface of the upper pressure plate 2 can seal the upper surface when the upper surface of the joint 6 is attached to the lower surface of the upper pressure plate 2 through the sealing ring 5 along the periphery of the central hole, The lower center hole is butted with the surrounding gap.

In practice, an annular groove is machined around the central hole of the lower surface of the upper platen 2 for mounting the seal ring 5.

In implementation, the jointing surfaces of the upper containing frame 1 and the upper pressure plate 2 are in floating connection so as to randomly adjust the relative positions. Furthermore, a movable gap is left between the cylindrical central hole of the upper pressure plate 2 and the central hole of the upper containing frame 1.

In the implementation, the bonding surface between the upper surface of the joint 6 and the lower surface of the upper platen 2 is a plane.

In practice, the diameter of the central hole of the joint 6 is larger than the diameter of the cylindrical central hole of the upper press plate 2.

Technical scheme is the form that inserts one section pipeline axial another section pipeline improves into the form of two planar docks of ring flange, and the clearance that utilizes the automatic adjustment function of sphere to realize the ring flange plane when compressing tightly simultaneously is even. The sealing mode of the sealing ring is plane sealing, so that the mechanical friction is reduced, and the service life is longer. And can accomplish butt joint and separation between the inflation inlet fast with, promote butt joint efficiency, the specially adapted has the occasion of quick replacement gas cylinder demand.

The rapid replacing device has the beneficial effects of simple structure, convenience in operation, good maintainability, long service life and good manufacturability, is particularly suitable for being applied to the working occasions needing rapid replacing of the large-capacity gas cylinder, and provides solutions for rapid replacing of the high-pressure gas cylinder in the field of aviation and other fluid conveying docking mechanisms with rapid replacing requirements.

Drawings

FIG. 1 is a schematic structural view of the mechanism of the present invention

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

Referring to the attached figure 1, the quick butt joint mechanism comprises an upper containing frame 1, an upper pressure plate 2, a rotating shaft 3, a lower pressure plate 4, a sealing ring 5 and a joint 6, wherein the lower surface of the upper containing frame 1 is an inwards concave spherical surface and is attached to the upper surface of the upper pressure plate 2 in an outwards convex spherical surface manner, a through central hole is processed along the central line combining the upper surface and the lower surface, the central hole of the upper pressure plate 2 is used as a fixed pipe joint and provided with a cylindrical outer wall and penetrates through the central hole of the upper containing frame 1, the upper containing frame 1 and the lower pressure plate 4 are hinged together through the rotating shaft 3 and can drive the upper pressure plate 2 to be opened and closed relative to the lower pressure plate 4, a radial groove 7 is processed on the lower pressure plate 4 and used for radially inserting the joint 6 serving as a movable pipe joint along the lower pressure plate 4, a central hole for inserting a pipe fitting is also processed along the central line of the joint 6, the upper surface of the joint 6 and the upper surface of the joint 6 can be sealed when the upper surface of the upper pressure plate 2 is attached to the lower surface of the upper pressure plate 2 through the sealing ring 5 along the periphery of the central hole, The lower center hole is butted with the surrounding gap.

In the above structure, an annular groove is formed around the center hole of the lower surface of the upper platen 2 for mounting the seal ring 5.

In the structure, the jointing surfaces of the upper containing frame 1 and the upper pressure plate 2 are in floating connection so as to randomly adjust the relative position. Furthermore, a movable gap is left between the cylindrical central hole of the upper pressure plate 2 and the central hole of the upper containing frame 1.

In the above structure, the bonding surface between the upper surface of the joint 6 and the lower surface of the upper platen 2 is a plane.

In the above structure, the diameter of the center hole of the joint 6 is larger than the diameter of the cylindrical center hole of the upper platen 2.

The opening operation of the mechanism is as follows: the relative positions of the upper containing frame 1 and the lower pressing plate 4 are unlocked. The upper holding frame 1 drives the upper pressing plate 2 to rotate anticlockwise around the rotating shaft 3, and the lower plane of the upper pressing plate 2 is separated from the upper plane of the joint 6. The joint 6 is in a free state and is taken out of the radial groove 7 of the lower pressing plate 4, and the opening is completed.

The docking operation of the mechanism is as follows: in the open state, the tabs 6 enter along radial slots 7 of the lower platen 4. The upper containing frame 1 drives the upper pressure plate 2 to rotate clockwise around the rotating shaft 3. The convex spherical surface of the upper pressing plate 2 is attached to the concave spherical surface inside the upper containing frame 1, meanwhile, the upper pressing plate 2 automatically rotates around the sphere center, the pressing gap is adjusted, the upper surface and the lower surface of the joint 6 are respectively attached to the lower plane of the upper pressing plate 2 and the upper plane of the lower pressing plate 4, the relative positions of the upper containing frame 1 and the lower pressing plate 4 are locked and the butt joint is completed. The seal ring 5 seals the gap between the upper platen 2 and the joint 6, preventing fluid leakage.

Claims

1. The utility model provides a quick docking mechanism which characterized in that: the mechanism comprises an upper containing frame (1), an upper pressure plate (2), a rotating shaft (3), a lower pressure plate (4), a sealing ring (5) and a joint (6), wherein the lower surface of the upper containing frame (1) is an inwards concave spherical surface and is attached to the upper surface of the upper pressure plate (2) in an outwards convex spherical surface, a through center hole is processed along the central line combining the upper pressure plate and the lower pressure plate, the center hole of the upper pressure plate (2) is used as a fixed pipe joint and provided with a cylindrical outer wall and penetrates through the center hole of the upper containing frame (1), the upper containing frame (1) and the lower pressure plate (4) are hinged together through the rotating shaft (3) and can drive the upper pressure plate (2) to open and close relative to the lower pressure plate (4), a radial groove (7) is processed on the lower pressure plate (4) and used for radially inserting the joint (6) as a movable pipe joint along the lower pressure plate (4), and a center hole of a pipe fitting is also inserted along the central line of the joint (6), when the upper surface of the joint (6) is attached to the lower surface of the upper pressure plate (2) along the periphery of the central hole through the sealing ring (5), the gap around the butted upper and lower central holes can be sealed.

2. The quick docking mechanism as recited in claim 1, further comprising: an annular groove is processed around the central hole of the lower surface of the upper pressure plate (2) for installing a sealing ring (5).

3. The quick docking mechanism as recited in claim 1, further comprising: the binding surfaces of the upper containing frame (1) and the upper pressure plate (2) are in floating connection so as to be capable of randomly adjusting the relative positions.

4. The quick docking mechanism as recited in claim 3, wherein: a movable gap is reserved between the cylindrical central hole of the upper pressure plate (2) and the central hole of the upper containing frame (1).

5. The quick docking mechanism as recited in claim 1, further comprising: the binding surface of the upper surface of the joint (6) and the lower surface of the upper pressure plate (2) is a plane.

6. The quick docking mechanism as recited in claim 1, further comprising: the diameter of the central hole of the joint (6) is larger than that of the cylindrical central hole of the upper pressure plate (2).