CN220228265U

CN220228265U - Self-locking joint

Info

Publication number: CN220228265U
Application number: CN202321593545.9U
Authority: CN
Inventors: 黄晓燕
Original assignee: Zhuoke Guangzhou Technology Co ltd
Current assignee: Zhuoke Guangzhou Technology Co ltd
Priority date: 2023-06-20
Filing date: 2023-06-20
Publication date: 2023-12-22
Anticipated expiration: 2033-06-20

Abstract

The utility model belongs to the technical field of connectors, and discloses a self-locking connector which comprises a first connector and a second connector, wherein a first rubber plug ring is arranged on the first connector, a first spring is arranged in the first connector, the first spring is connected with a guide cylinder, and the guide cylinder is arranged in the first rubber plug ring in a sealing sliding manner; the second connector is provided with a second rubber plug ring, a second spring is arranged in the second connector, the second spring is connected with a marble, and the marble is arranged opposite to the second rubber plug ring; the side wall of the guide cylinder is provided with a first guide opening and a second guide opening in a penetrating way; after the first connector is connected with the second connector, the first diversion opening is positioned in the first connector, and the second diversion opening is positioned in the second connector. When the first connector and the second connector are pulled out, the first spring compresses the first diversion opening into the first rubber plug ring to prevent liquid from flowing out of the first connector, the second spring ejects the marble to the second rubber plug ring to seal the second rubber plug ring, and the liquid is prevented from flowing out of the second connector, so that the problem of liquid leakage is avoided.

Description

Self-locking joint

Technical Field

The utility model belongs to the technical field of connectors, and particularly relates to a self-locking connector.

Background

As shown in fig. 1, in the fluid industry, a self-locking joint on the market is formed by self-locking a left joint and a right joint through threads, and the middle of the two joints is penetrated to realize the flow of liquid.

Disclosure of Invention

The present utility model aims to solve the above technical problems at least to some extent. To this end, the utility model aims to provide a self-locking joint.

The technical scheme adopted by the utility model is as follows:

the self-locking connector comprises a first connector and a second connector which are detachably connected, wherein a first rubber plug ring is arranged at one opening of the first connector, a first spring is arranged in the first connector, the first spring is connected with a guide cylinder, and the guide cylinder is arranged in the first rubber plug ring in a sealing sliding manner; a second rubber plug ring which can be in sealing sliding connection with the guide cylinder is arranged at one opening of the second connector, a second spring is arranged in the second connector, the second spring is connected with a marble, the marble is arranged opposite to the second rubber plug ring, and the marble can seal the second rubber plug ring when in pressure contact with the second rubber plug ring; the side wall of the guide cylinder is provided with a first guide opening and a second guide opening in a penetrating way; after the first connector is connected with the second connector, the first diversion opening is positioned in the first connector, and the second diversion opening is positioned in the second connector.

Preferably, a limiting ring is arranged on the guide cylinder, the limiting ring is positioned in the first joint, and the limiting ring is positioned between the first spring and the first rubber plug ring; the limiting ring can seal the first rubber plug ring when in pressure contact with the first rubber plug ring.

Preferably, a first connecting nozzle is arranged at the other opening of the first connector, a first sleeve communicated with the first connecting nozzle is arranged in the first connector, a first spring is sleeved on the first sleeve, and a third diversion port is formed in the side wall of the first sleeve.

Preferably, a second connecting nozzle is arranged at the other opening of the second connector, a second sleeve communicated with the second connecting nozzle is arranged in the second connector, a second spring is sleeved on the second sleeve, and a fourth diversion opening is formed in the side wall of the second sleeve.

Preferably, the first connector and the second connector are in buckling connection.

Preferably, the first connector is provided with a buckling barrel, the inner wall of the buckling barrel is provided with a buckling block, and the outer wall of the second connector is provided with an L-shaped groove.

Preferably, the buckling block is provided with a limiting groove, and a limiting strip is arranged in the L-shaped groove.

The beneficial effects of the utility model are as follows:

according to the self-locking connector provided by the utility model, when the first connector and the second connector are pulled out, the first guide opening is compressed into the first rubber plug ring by the first spring, so that liquid is prevented from flowing out of the first connector, the second spring ejects the marble to the second rubber plug ring, the marble is in pressure contact with the second rubber plug ring and seals the second rubber plug ring, and the liquid is prevented from flowing out of the second connector, so that the problem of liquid leakage caused by the pulling out of the first connector and the second connector is effectively avoided. Simultaneously, the first joint and the second joint are locked through the mode of buckling connection, and the locking is more convenient than the thread locking.

Drawings

Fig. 1 is a schematic view of a prior art self-locking joint.

Fig. 2 is a schematic view of a first joint of the present utility model.

Fig. 3 is a schematic view of a second joint of the present utility model.

Fig. 4 is a schematic view of the self-locking joint of the present utility model.

Fig. 5 is an exploded view of the self-locking joint of the present utility model.

Fig. 6 is a cross-sectional view of the self-locking joint of the present utility model.

In the figure: 1-a first linker; 2-a second linker; 3-a first rubber plug ring; 4-a first spring; 5-a guide cylinder; 6-limiting rings; 7-a first diversion port; 8-a second conduction port; 9-a first connection nozzle; 10-a first sleeve; 11-a third conduction port; 12-a buckling cylinder; 13-a buckling block; 14-a limit groove; 15-a second rubber plug ring; 16-a second spring; 17-marbles; 18-a second connection nozzle; 19-a second sleeve; 20-fourth diversion port; a 21-L-shaped groove; 22-limit bars.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

In the description of the embodiments of the present utility model, it should be noted that, the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship conventionally put in place when the product of the present utility model is used, or the orientation or positional relationship conventionally understood by those skilled in the art is merely for convenience of describing the present utility model and simplifying the description, and is not indicative or implying that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for understanding as indicating or implying a relative importance.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements.

As shown in fig. 2 to 6, the self-locking joint of the present embodiment includes a first joint 1 and a second joint 2 that are detachably connected, wherein the first joint 1 is hollow and has two openings communicating with the internal cavity, one of the openings is provided with a first rubber plug ring 3, and the other opening is provided with a first connecting nozzle 9; the inside that first connects 1 is equipped with first spring 4 and with the first sleeve 10 of first connecting mouth 9 intercommunication, first spring 4 cover is on first sleeve 10, and first joint 1 is located to guide cone 5 one end, and guide cone 5 is located the one end that first connects 1 and links to each other with first spring 4, and the other end of guide cone 5 passes first rubber piston ring 3 and is located first joint 1 outside.

The second joint 2 is hollow and is provided with two openings communicated with the internal cavity, wherein one opening is provided with a second rubber plug ring 15, and the other opening is provided with a second connecting nozzle 18; the second rubber plug ring 15 and the inner wall of the first rubber plug ring 3 have the same size and can be in sealing sliding connection with the guide cylinder 5. The second connector 2 is internally provided with a second spring 16, a marble 17 and a second sleeve 19 communicated with a second connecting nozzle 18, the second spring 16 is sleeved on the second sleeve 19, the second spring 16 is connected with the marble 17, and the marble 17 is arranged opposite to the second rubber plug ring 15.

The side wall of the guide cylinder 5 is provided with a first guide opening 7 and a second guide opening 8 in a penetrating way; the side wall of the first sleeve 10 is provided with a third diversion port 11 in a penetrating way, and the side wall of the second sleeve 19 is provided with a fourth diversion port 20 in a penetrating way. In general, the first connecting nozzle 9 and the second connecting nozzle 18 are connected with a pipeline, after the first connector 1 and the second connector 2 are connected, one end of the guide cylinder 5 passes through the second rubber plug ring 15 and is positioned in the second connector 2, the end of the guide cylinder 5 is propped against the marble 17, at this time, the first spring 4 and the second spring 16 are compressed, the first guide opening 7 is positioned in the first connector 1, the second guide opening 8 is positioned in the second connector 2, the liquid enters the second connector 2 from the second connecting nozzle 18 along the pipeline, passes through the fourth guide opening 20, sequentially passes through the second guide opening 8 and the first guide opening 7 of the guide cylinder 5, and then flows out from the first connecting nozzle 9 through the third guide opening 11 and enters another pipeline.

When the first connector 1 and the second connector 2 are pulled out, the first spring 4 in the first connector 1 is reset to compress the first guide opening 7 on the guide cylinder 5 into the first rubber plug ring 3, so that liquid is prevented from flowing out of the first connector 1. The second spring 16 in the second connector 2 resets to spring the marble 17 to the second rubber plug ring 15, the marble 17 is in pressure contact with the second rubber plug ring 15 and seals the second rubber plug ring 15, and liquid is prevented from flowing out of the second connector 2, so that the problem of liquid leakage caused by the fact that the first connector 1 and the second connector 2 are pulled out is effectively avoided.

The guide cylinder 5 is convexly provided with a circle of limiting ring 6, the limiting ring 6 is positioned in the first joint 1, and the limiting ring 6 is positioned between the first spring 4 and the first rubber plug ring 3. When the first connector 1 and the second connector 2 are pulled out, the limiting ring 6 can be in contact with the first rubber plug ring 3 to prevent the guide cylinder 5 from being directly flicked off, and meanwhile, the limiting ring 6 is in pressure contact with the first rubber plug ring 3 to seal the first rubber plug ring 3, so that liquid is further prevented from entering the first rubber plug ring 3.

In this embodiment, the first connector 1 and the second connector 2 are connected by snap-fit. Specifically, the first connector 1 is provided with a buckling barrel 12, the inner wall of the buckling barrel 12 is provided with a buckling block 13, and the outer wall of the second connector 2 is provided with an L-shaped groove 21. The buckling block 13 is provided with a limiting groove 14, and a limiting strip 22 is arranged in the L-shaped groove 21.

After aligning the first connector 1 and the second connector 2, as shown in fig. 4, the first connector 1 or the second connector 2 is slightly rotated so that the buckling block 13 is aligned with the opening of the L-shaped groove 21, then the end part of the second connector 2 is pushed into the buckling cylinder 12, after pushing to the bottom, the second connector 2 is rotated so that the buckling block 13 enters the other section of the L-shaped groove 21 until the limiting strip 22 is clamped into the limiting groove 14, and locking of the first connector 1 and the second connector 2 is achieved. When the first connector 1 and the second connector 2 need to be pulled out, the reverse operation is only needed.

The utility model is not limited to the above-described alternative embodiments, and any person who may derive other various forms of products in the light of the present utility model, however, any changes in shape or structure thereof, all falling within the technical solutions defined in the scope of the claims of the present utility model, fall within the scope of protection of the present utility model.

Claims

1. Self-locking joint, including first joint (1) and second joint (2), its characterized in that:

a first rubber plug ring (3) is arranged at one opening of the first connector (1), a first spring (4) is arranged in the first connector (1), the first spring (4) is connected with a guide cylinder (5), and the guide cylinder (5) is arranged in the first rubber plug ring (3) in a sealing sliding manner;

a second rubber plug ring (15) which can be in sealing sliding connection with the guide cylinder (5) is arranged at one opening of the second connector (2), a second spring (16) is arranged in the second connector (2), the second spring (16) is connected with a marble (17), the marble (17) is arranged opposite to the second rubber plug ring (15), and the marble (17) can seal the second rubber plug ring (15) when in pressure contact with the second rubber plug ring (15);

the side wall of the guide cylinder (5) is provided with a first guide opening (7) and a second guide opening (8) in a penetrating way; after the first connector (1) is connected with the second connector (2), the first guide opening (7) is positioned in the first connector (1), and the second guide opening (8) is positioned in the second connector (2).

2. The self-locking joint of claim 1, wherein: be equipped with spacing ring (6) on draft tube (5), spacing ring (6) are located first joint (1), and spacing ring (6) are located between first spring (4) and first rubber stopper ring (3).

3. The self-locking joint of claim 2, wherein: the limiting ring (6) can seal the first rubber plug ring (3) when in pressure contact with the first rubber plug ring (3).

4. The self-locking joint of claim 1, wherein: the novel connecting device is characterized in that a first connecting nozzle (9) is arranged at the other opening of the first connector (1), a first sleeve (10) communicated with the first connecting nozzle (9) is arranged inside the first connector (1), a first spring (4) is sleeved on the first sleeve (10), and a third guide opening (11) is formed in the side wall of the first sleeve (10).

5. The self-locking joint of claim 1, wherein: the other opening of the second connector (2) is provided with a second connecting nozzle (18), a second sleeve (19) communicated with the second connecting nozzle (18) is arranged in the second connector (2), a second spring (16) is sleeved on the second sleeve (19), and a fourth guide opening (20) is formed in the side wall of the second sleeve (19).

6. The self-locking joint of claim 1, wherein: the first connector (1) and the second connector (2) are connected in a buckling mode.

7. The self-locking joint according to claim 1 or 6, wherein: the first connector (1) is provided with a buckling barrel (12), the inner wall of the buckling barrel (12) is provided with a buckling block (13), and the outer wall of the second connector (2) is provided with an L-shaped groove (21).

8. The self-locking joint of claim 7, wherein: the buckling block (13) is provided with a limiting groove (14), and a limiting strip (22) is arranged in the L-shaped groove (21).