CN216447596U - Anti-internal pressure double-sealing anti-drop connector - Google Patents

Abstract

The utility model discloses an internal pressure resistant double-seal anti-falling connector, which belongs to the technical field of pipe body connectors and comprises a plug connector and a sleeve connector, wherein a seal ring is sleeved on an inner ring of the sleeve connector and is in seal assembly with the plug connector through the seal ring, and an expansion ring is sleeved between the plug connector and the sleeve connector; the expansion ring and the sealing ring are sequentially arranged along the direction in which the plug connector is sleeved into the sleeve connector, so that the purposes of good anti-falling, sealing and internal pressure resistance of the connecting connector of the winding pipe can be achieved.

Description

Anti-internal pressure double-sealing anti-drop connector

Technical Field

The utility model belongs to the technical field of pipe body joints, and particularly relates to an internal pressure resistant double-seal anti-falling connector.

Background

The existing winding pipe is widely applied to municipal drainage, pollution discharge, flood discharge and agricultural irrigation drainage, is a straight-wall pipe, and the connection method generally comprises electric hot-melt strip connection, pipe clamp connection, heat-shrinkable pipe connection and flange connection.

The existing device for connecting two winding pipes comprises two connectors, wherein the two winding pipes are connected into a whole through the two connectors, but the looseness of the connecting structure is easy to happen within a long time, so that the leakage or the falling of a pipeline is caused. In particular, the joints of the coiled tubing are more susceptible to separation when placed in tension.

SUMMERY OF THE UTILITY MODEL

In view of the above, in order to solve the above problems in the prior art, an object of the present invention is to provide an anti-internal pressure double-sealing anti-drop connector, so as to achieve the purpose of good anti-drop, sealing and internal pressure resistance for the connection joint of the winding pipe.

The technical scheme adopted by the utility model is as follows: an anti-internal pressure double-seal anti-falling connector comprises a plug connector and a sleeve connector, wherein a seal ring is sleeved on an inner ring of the sleeve connector and is in seal assembly with the plug connector through the seal ring, the seal effect between the sleeve connector and the plug connector is realized through the seal ring, an expansion ring is sleeved between the plug connector and the sleeve connector, and the anti-falling effect between the sleeve connector and the plug connector is realized after the expansion ring is tightly clamped;

the expansion rings and the sealing rings are sequentially arranged along the direction in which the plug connector is sleeved into the sleeve connector.

Furthermore, a first annular indent is arranged on the side wall of the inner ring of the sleeve joint, and the sealing ring is arranged in the first annular indent so as to play a good sealing effect through the sealing ring.

Furthermore, a second annular indent is arranged on the outer side wall of the plug connector, a third annular indent is arranged on the inner side wall of the socket connector, and the expansion ring is sleeved between the second annular indent and the third annular indent so as to realize a good anti-falling effect of the expansion ring between the plug connector and the socket connector.

Furthermore, the expansion ring is made of a water expansion material, so that after expansion, the annular concave part is matched to form a good anti-falling effect between the plug connector and the socket connector.

Furthermore, V-shaped openings are formed in the expansion ring and one side, facing the plug connector, of the sealing ring.

Furthermore, the port of the plug connector and the port of the socket connector are both in a wedge shape, so that the plug connector can be smoothly inserted into the socket connector, and meanwhile, the sealing ring is ensured to have good sealing performance on the plug connector.

Furthermore, a first annular bulge and a second annular bulge are arranged on the outer side wall of the plug connector in parallel, a third annular concave is formed between the first annular bulge and the second annular bulge, and the design of the mode cannot influence the inner diameter of the plug connector.

Furthermore, one side of the first annular bulge, which faces the port of the plug connector, is in a wedge shape, so that when the expansion ring is installed, the expansion ring can be smoothly sleeved on a preset position;

the outer diameter of the second annular bulge is slightly smaller than the inner diameter of the socket joint so as to support the socket joint through the second annular bulge and prevent the socket joint from deforming.

The utility model has the beneficial effects that:

1. by adopting the internal pressure resistant double-seal anti-falling connector provided by the utility model, the sealing ring is arranged between the plug connector and the socket connector, a good sealing effect can be achieved under the action of the sealing ring, meanwhile, the expansion ring is also arranged between the plug connector and the socket connector, and the expansion ring can expand gradually after being installed, so that the plug connector and the socket connector can be locked mutually, and the falling phenomenon between the plug connector and the socket connector can be prevented.

2. By adopting the internal pressure resistant double-sealing anti-falling connector provided by the utility model, the expansion ring is arranged, the corresponding annular indent is also arranged between the plug connector and the socket connector, the ring rigidity at the connector can be obviously improved under the clamping action of the annular indent, and the connecting connector has good internal pressure resistance when being applied.

Drawings

Fig. 1 is a schematic view of the overall structure of an anti-internal pressure double-sealing anti-drop connector provided by the utility model;

FIG. 2 is a schematic view of the overall structure of an expansion ring in the anti-internal pressure double-sealing anti-drop connector provided by the utility model;

FIG. 3 is an enlarged partial schematic view of FIG. 1;

the drawings are labeled as follows:

1-plug connector, 2-socket connector, 3-expansion ring, 4-sealing ring, 5-first annular indent, 6-second annular indent, 7-third annular indent, 8-annular lock head, 9-first annular bulge, and 10-second annular bulge.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present invention, it should be further noted that the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases by those skilled in the art; the drawings in the embodiments are used for clearly and completely describing the technical scheme in the embodiments of the utility model, and obviously, the described embodiments are a part of the embodiments of the utility model, but not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Example 1

As shown in fig. 1, the present embodiment specifically provides an anti-internal pressure double-sealing anti-drop connector, which aims to improve the phenomenon that the existing connector has poor sealing performance and is easy to drop off when in use. The connecting joint mainly comprises a plug-in connector 1 and a socket-joint connector 2, wherein the plug-in connector 1 is a small end part, and the socket-joint connector 2 is a large end part. The inner ring of the sleeve joint 2 is sleeved with a sealing ring 4 and is hermetically assembled with the plug joint 1 through the sealing ring 4, so that the effect of sealing the plug joint 1 and the sleeve joint 2 is mainly achieved, and an expansion ring 3 is sleeved between the plug joint 1 and the sleeve joint 2, wherein the expansion ring 3 and the sealing ring 4 are sequentially arranged along the direction in which the plug joint 1 is sleeved into the sleeve joint 2, so that the expansion ring 3 and the sealing ring 4 are sequentially arranged, and on one hand, the sealing effect of the sealing ring 4 is prevented from being influenced by the expansion of the expansion ring 3; on the other hand, the pipe body processing mold can be directly improved on the existing pipe body processing mold, and the manufacturing cost is reduced.

The inner ring side wall of the socket joint 2 is provided with a first annular indent 5, the sealing ring 4 is arranged in the first annular indent 5, the sealing ring 4 is embedded in the first annular indent 5, pre-installation of the sealing ring 4 is achieved, after the socket joint 1 is inserted, the socket joint 1 and the socket joint 2 can be well sealed, and a good sealing effect is achieved through the sealing ring 4. In practical application, in order to further improve the installation firmness of the sealing ring 4 in the first annular indent 5, an annular locking notch is formed in the outer ring of the sealing ring 4, an annular locking head 8 corresponding to the annular locking notch is arranged in the first annular indent 5, and when the sealing ring 4 needs to be installed, the annular locking head 8 and the annular locking notch are assembled correspondingly to realize pre-fixing, as shown in fig. 3.

Be equipped with second annular indent 6 on the lateral wall of bayonet joint 1, be equipped with third annular indent 7 on the inside wall of socket joint 2, and form an assembly space between second annular indent 6 and the third annular indent 7, it is right to realize through this assembly space expansion ring 3's installation. When practical application, expansion ring 3 adopts water inflation material to make, and expansion ring 3 can progressively expand after meeting water, and until the assembly space that forms between second annular indent 6 and the third annular indent 7 of bloating, and then form good anticreep effect through expansion ring 3 butt joint 1 and cup joint between 2.

After the plug connector 1 is inserted into the socket connector 2, on one hand, the plug connector 1 and the socket connector 2 are well sealed through the sealing ring 4; on the other hand, after the expansion ring 3 expands, the expansion ring 3 is matched with the annular indent to form a good anti-falling effect between the plug connector 1 and the socket connector 2, and at the moment, the plug connector 1 and the socket connector 2 cannot fall off under the action of external force.

When practical application, for further reducing the installation degree of difficulty, and be favorable to the user to correspond bayonet joint 1 and insert to the inside of cup jointing 2, with bayonet joint 1's port side orientation one side of sealing washer 4 is established to the wedge form, and the side of wedge form is convenient for bayonet joint 1 and can inserts smoothly to the inside of cup jointing 2, simultaneously, ensures that sealing washer 4 has good leakproofness to bayonet joint 1. Meanwhile, the port of the socket joint 2 is also designed to be wedge-shaped, and the socket joint 2 designed by the mode is convenient to be in socket assembly connection with the plug joint 1.

Further for realizing the purpose of matching with the expansion head 3 for limiting and preventing falling, annular bulges are arranged on the outer side wall of the plug connector 1 in parallel, and a third annular concave is formed between every two adjacent annular bulges and is specifically divided into a first annular bulge and a second annular bulge. The side, facing the port of the plug connector, of the first annular bulge is in a wedge shape, so that when the expansion ring is installed, the expansion ring can be smoothly sleeved on a preset position; the outer diameter of the second annular bulge is slightly smaller than the inner diameter of the socket joint so as to support the socket joint through the second annular bulge and prevent the socket joint from deforming.

Based on foretell anti interior pressure double containment anti-drop connector, when actual installation, inserting bayonet joint 1 to the inside of cup jointing 2, when the tip of bayonet joint 1 supported and is gathered together on the inside terminal surface of cup jointing 2, this moment, and sealing washer 4 and expansion ring 3 can assemble predetermined position department, and then ensure sealing washer 4 and expansion ring 3 respective function.

The utility model is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims (8)

1. An internal pressure resistant double-seal anti-drop connector comprises a plug connector (1) and a sleeve connector (2), and is characterized in that a sealing ring (4) is sleeved on an inner ring of the sleeve connector (2) and is hermetically assembled with the plug connector (1) through the sealing ring (4), and an expansion ring (3) is sleeved between the plug connector (1) and the sleeve connector (2);

the expansion ring (3) and the sealing ring (4) are sequentially arranged along the direction in which the plug connector (1) is sleeved into the sleeve connector (2).

2. The anti-internal pressure double-sealing anti-drop connector according to claim 1, wherein the inner ring side wall of the socket (2) is provided with a first annular indent (5), the first annular indent (5) is internally provided with the sealing ring (4).

3. The anti-internal pressure double-sealing anti-drop connector according to claim 1, wherein a second annular indent (6) is provided on the outer side wall of the plug connector (1), a third annular indent (7) is provided on the inner side wall of the socket connector (2), and the expansion ring (3) is sleeved between the second annular indent (6) and the third annular indent (7).

4. The anti-internal pressure double-sealing anti-drop connector as claimed in claim 1, wherein the expansion ring (3) is made of water expansion material.

5. The anti-internal pressure double-sealing anti-drop connector according to claim 1, wherein the expansion ring (3) and the sealing ring (4) are provided with a V-shaped opening at the side facing the plug connector (1).

6. The anti-internal pressure double-sealing anti-drop connector according to claim 1, wherein the ports of the male connector (1) and the female connector (2) are both wedge-shaped.

7. The anti-internal pressure double-sealed anti-drop connector as claimed in claim 3, wherein the outer side wall of the plug connector (1) is provided with a first annular bulge (9) and a second annular bulge (10) in parallel, and the third annular recess (7) is formed between the first annular bulge and the second annular bulge.

8. The anti-internal pressure double-sealing anti-drop connector as claimed in claim 7, wherein the first annular protrusion (9) is wedge-shaped toward the port of the male connector, and the outer diameter of the second annular protrusion (10) is slightly smaller than the inner diameter of the female connector.

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