CN217272549U

CN217272549U - Explosion-proof connector

Info

Publication number: CN217272549U
Application number: CN202220038505.7U
Authority: CN
Inventors: 杨利忠
Original assignee: Fengguo China Co ltd
Current assignee: Fengguo China Co ltd
Priority date: 2022-01-07
Filing date: 2022-01-07
Publication date: 2022-08-23
Anticipated expiration: 2032-01-07

Abstract

The utility model relates to a water pipe head field especially relates to an explosion-proof connector, including male joint, rather than threaded connection's female joint, the female joint is metal material, be equipped with the neck bush in the female joint, the neck bush is made for plastics, the neck bush includes into pipy main part, along the outer evagination ring that extends of main part excircle circumference, form a recess that holds the evagination ring between male joint and the female joint, evagination ring internal extension is equipped with interior bulge loop, the main part internal diameter is D, interior bulge loop internal diameter is D, satisfies D0.7 ~ 0.9D, the evagination ring is embedded to have first support ring, the main part is embedded to have the second support ring of spring form. It has solved the technical problem that prior art connector bursts easily.

Description

Explosion-proof connector

Technical Field

The utility model relates to a water pipe head field especially relates to an explosion-proof connector.

Background

At present, the Chinese patent application number: CN201920253411.X discloses a connecting piece structure for a pipeline, which comprises an upper connecting part and a lower connecting part, wherein a fixed end is arranged above the upper connecting part, the upper connecting part comprises an upper shell, and a plurality of upper buckle plates and horizontally arranged upper bosses are arranged outside the upper shell; the lower connecting part comprises a lower shell, and a plurality of lower buckle plates and a lower boss which is horizontally arranged are arranged outside the lower shell; the lower part of the upper shell can be in butt joint with the upper part of the lower shell, when the upper shell is in butt joint with the lower shell, the lower edge of the upper buckle plate and the lower edge of the lower boss are positioned on the same plane, and the upper edge of the lower buckle plate and the upper edge of the upper boss are positioned on the same plane; the internal thread is arranged on the inner side of the lower shell, the lower portion of the lower shell is connected with a rotating shaft, the rotating shaft is connected with the inner portion of the lower shell through the thread, and a water outlet port is formed in the lower portion of the rotating shaft.

Although it has provided simple structure, easy dismounting's joint, joint department is the position that the water pipe takes place easily to burst in the in-service use process, high-pressure pipeline reducing goes out the switching of common connector, when pipeline internal pressure increases, the pressure of connector increases equally, current connector is usually solved the medicine to explosion-proof not high enough, become the frequent position that high-pressure water pipe took place to burst easily, not only cause the extravagant loss of rivers easily, there is the problem of potential safety hazard when the connector is violent.

SUMMERY OF THE UTILITY MODEL

Therefore, to foretell problem, the utility model provides an explosion-proof connector, it has solved the technical problem that the prior art connector bursts easily.

In order to achieve the above purpose, the utility model adopts the following technical proposal: the utility model provides an explosion-proof connector, includes male joint, rather than threaded connection's female joint, the female joint is metal material, be equipped with the neck bush in the female joint, the neck bush is made for plastics, the neck bush includes tubulose main part, the evagination ring that extends outward along main part excircle circumference, form a recess that holds the evagination ring between male joint and the female joint, the evagination ring is to extending inwards to be equipped with interior bulge loop, the main part internal diameter is D, interior bulge loop internal diameter is D, satisfies D and is 0.7 ~ 0.9D, the evagination ring is inlayed and is had first support ring, the main part is inlayed and is had the second support ring of spring form.

Furthermore, a notch is formed in the first supporting ring, and the two end faces of the first supporting ring, which are located in the notch, are arranged in a staggered mode from top to bottom.

Furthermore, a first chamfer is arranged at the inner edge of the inner convex ring, and a second chamfer is arranged at the joint of the inner convex ring and the main body part.

Further, the male joint comprises a metal outer layer, a ceramic plastic middle layer pipe and a PPR inner pipe which are sequentially arranged from outside to inside.

Further, the male joint is provided with a sealing groove towards the end face of the female joint, a sealing ring is arranged in the sealing groove, and when the male joint and the female joint are locked, the male joint compresses the sealing ring on the lining sleeve.

Furthermore, a plurality of fastening lantern rings are arranged on the peripheral edge of the inner bushing, each fastening lantern ring is provided with an inclined plane convenient for inserting the female connector, and each inclined plane is inclined outwards and inwards from the outer convex ring to the main body part.

By adopting the technical scheme, the beneficial effects of the utility model are that:

1. the female joint is provided with the inner bushing, the inner bushing is made of plastic and is combined with the female joint made of metal, the pressure resistance and the explosion-proof performance of the female joint are improved, meanwhile, the plastic inner bushing effectively ensures the connection strength of the connector and the water pipe, improves the sealing performance of the water pipe and the connector, and effectively prevents the leakage of the connector; the inner diameter of the inner convex ring is 0.7-0.9 times of the inner diameter of the inner bushing, so that the flow of the connector can be ensured while the water pressure can be effectively reduced, and the impact of the water pressure on the connector can be reduced; the first support ring is embedded in the outer convex ring of the inner bushing, so that the strength of the outer convex ring can be effectively improved, the elasticity of the main body part is ensured while the strength of the main body part is improved by the spring-shaped second support ring embedded in the main body part, and the overall strength of the inner bushing is enhanced, so that the explosion-proof performance of the connector is effectively improved.

2. The first supporting ring is provided with a notch, so that the rigidity of the outer convex ring can be increased, meanwhile, certain plasticity is kept, and the service life of the inner bushing is prolonged.

3. The first chamfer on the inner convex ring and the second chamfer at the joint of the main body part can avoid direct impact of water flow caused by the diameter reduction of the inner convex ring, and the connector is effectively protected.

4. The male joint is made of three layers of composite materials and has a series of advantages of impact resistance, aging resistance, corrosion resistance and the like.

5. The sealing ring between the inner lining sleeve and the male joint can ensure that liquid cannot leak from a gap between the inner lining sleeve and the female joint, and the sealing property of the connector is effectively improved.

6. The inside lining cover is equipped with a plurality of fastening lantern rings, can be convenient for the inside lining cover fastening effectively anti-drop in female joint to the fastening lantern ring is in sealed cooperation with female joint inner wall, and with the dual assurance liquid of sealing washer can not follow the clearance leakage between inside lining cover and female joint.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

fig. 4 is a schematic structural view of the first support ring.

Detailed Description

The present invention will now be further described with reference to the accompanying drawings and detailed description.

Referring to fig. 1 to 4, the embodiment provides an explosion-proof connector, which includes a male connector 1 and a female connector 2 in threaded connection with the male connector, where the female connector 2 is made of a metal material, an inner bushing is disposed in the female connector 2, the inner bushing is made of a plastic material, the inner bushing includes a tubular main body 31 and an outer convex ring 32 extending outward along an outer circumference of the main body 31, a groove 32a for accommodating the outer convex ring 32 is formed between the male connector 1 and the female connector 2, the outer convex ring 32 is provided with an inner convex ring 33 extending inward, an inner diameter of the main body 31 is D, an inner diameter of the inner convex ring 33 is D, where D is 0.7-0.9D, a first support ring 34 is embedded in the outer convex ring 32, and a spring-shaped second support ring 35 is disposed in front of the main body 31.

The female joint 2 is provided with the inner bushing which is made of plastic and is combined with the female joint 2 made of metal, so that the pressure resistance and the explosion-proof performance of the female joint 2 are improved, meanwhile, the inner bushing is made of plastic, the connection strength of the connector and the water pipe is effectively guaranteed, the sealing performance of the water pipe and the connector is improved, and the leakage of the connector is effectively prevented; the inner diameter of the inner convex ring 33 is 0.7-0.9 times of the inner diameter of the inner bushing, so that the flow of the connector can be ensured while the water pressure can be effectively reduced, and the impact of the water pressure on the connector can be reduced; the first support ring 34 is embedded in the outer convex ring 32 of the inner bushing, so that the strength of the outer convex ring 32 can be effectively improved, the second support ring 35 in a spring shape is embedded in the main body part 31, the elasticity of the main body part 31 is ensured while the strength of the main body part 31 is improved, the overall strength of the inner bushing is enhanced, and the explosion-proof performance of the connector is effectively improved.

The first support ring 34 is provided with a notch 341, and the two end faces of the first support ring 34 located in the notch 341 are arranged in a vertically staggered manner. The first support ring and the second support ring are made of metal materials.

The first support ring 34 has a notch 341, which increases the rigidity of the outer convex ring 32 and maintains a certain plasticity, thereby prolonging the service life of the inner bushing.

The inner edge of the inner collar 33 is provided with a first chamfer 331, and the joint of the inner collar 33 and the main body 31 is provided with a second chamfer 332.

The first chamfer 331 on the inner collar 33 and the second chamfer 332 at the joint of the main body part 31 can avoid direct impact caused by the diameter reduction of water flow passing through the inner collar 33, and effectively protect the connector.

The male connector 1 comprises a metal outer layer 11, a ceramic plastic middle layer pipe 12 and a PPR inner pipe 13 which are sequentially arranged from outside to inside. The male connector 1 is made of three layers of composite materials and has a series of advantages of impact resistance, aging resistance, corrosion resistance and the like.

Male joint 1 is equipped with seal groove 14 towards female joint 2 terminal surface, be equipped with sealing washer 14a in the seal groove 14, when male joint 1 and female joint 2 locked, male joint 1 compressed tightly sealing washer 14a on the inner liner cover.

The sealing ring 14a between the inner bushing and the male joint 1 can ensure that liquid cannot leak from a gap between the inner bushing and the female joint 2, and the sealing performance of the connector is effectively improved.

The inner bushing is provided with a plurality of fastening rings 36 at the periphery, and the fastening rings 36 are provided with inclined planes which are convenient for inserting the female connector 2, and the inclined planes are inclined outwards and inwards from the outer convex ring 32 to the main body part 31.

The inner bushing is provided with a plurality of fastening lantern rings 36, so that the inner bushing can be fastened in the female joint 2 to effectively prevent falling off, and the fastening lantern rings 36 are in sealing fit with the inner wall of the female joint 2 and are in double guarantee with the sealing ring 14a that liquid cannot leak from a gap between the inner bushing and the female joint 2.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

While the invention has been particularly shown and described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides an explosion-proof connector, includes the pin joint, rather than threaded connection's box, the box is metal material, its characterized in that: the inner bushing is arranged in the female connector and made of plastic, the inner bushing comprises a tubular main body part and an outer convex ring extending outwards along the outer circumference of the main body part, a groove for accommodating the outer convex ring is formed between the male connector and the female connector, an inner convex ring extends inwards in the outer convex ring, the inner diameter of the main body part is D, the inner diameter of the inner convex ring is D, and the requirement that D is 0.7-0.9D is met, a first support ring is embedded in the outer convex ring, and a spring-shaped second support ring is embedded in the main body part.

2. An explosion-proof connector as defined in claim 1, wherein: the first supporting ring is provided with a notch, and the two end faces of the first supporting ring, which are positioned in the notch, are arranged in a vertically staggered manner.

3. An explosion-proof connector as defined in claim 1, wherein: the inner flange is provided with a first chamfer at the inner edge and a second chamfer at the joint of the inner flange and the main body part.

4. An explosion-proof connector as defined in claim 1, wherein: the male joint comprises a metal outer layer, a ceramic plastic middle layer pipe and a PPR inner pipe which are sequentially arranged from outside to inside.

5. An explosion-proof connector as defined in claim 1, wherein: the male joint is provided with a sealing groove towards the end face of the female joint, a sealing ring is arranged in the sealing groove, and when the male joint and the female joint are locked, the male joint compresses the sealing ring on the lining sleeve.

6. An explosion-proof connector as set forth in any one of claims 1 to 5, characterized in that: the inner bushing is characterized in that a plurality of fastening lantern rings are arranged on the peripheral edge of the inner bushing, each fastening lantern ring is provided with an inclined plane which is convenient for inserting the female connector, and each inclined plane is inclined outwards and inwards from the outer convex ring to the main body part.