CN211040048U

CN211040048U - Flexible hose connector

Info

Publication number: CN211040048U
Application number: CN201921877326.7U
Authority: CN
Inventors: 钱镭
Original assignee: Qian's Functional Plastic Co ltd
Current assignee: Qian's Functional Plastic Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-07-17
Anticipated expiration: 2029-11-04

Abstract

The utility model discloses a flexible hose connector relates to the relevant field of hose connection, and it is impaired to probably lead to the hose to insert the part for solving the connection of current connector and hose, to the sealed unfavorable problem of connector department of hose. The utility model discloses a taper connecting pipe, including middle connecting pipe, internal connection pipe, outer conical connection pipe, fixed chamber of hose that forms between internal connection pipe and the outer conical connection pipe, be provided with the toper cambered surface on the outer conical connection pipe, the externally mounted of outer conical connection pipe has fixation nut, and fixation nut passes through the thread tightening with outer conical connection pipe, fixation nut's inside is provided with the fixed chamber of toper, and the fixed chamber of toper sets up to the round platform structure with the toper cambered surface, and the fixed chamber of toper coincide with the toper cambered surface, be provided with on the outer conical connection pipe and predetermine the breach, and predetermine the breach and be provided with two, predetermine breach symmetry setting, predetermine the breach and set up to triangle-shaped.

Description

Flexible hose connector

Technical Field

The utility model relates to a hose connection correlation field specifically is a flexible hose connector.

Background

The gas pipe is a special pipeline for conveying combustible gas, is a rubber hose with a metal gas pipe hose instead of a traditional buckle mode, and can overcome the defects that the rubber hose is easy to fall off, age and bite insects and has short service life. The gas pipe has the characteristics of convenience in installation, reliability in connection, corrosion resistance, no gas blockage, good flexibility, long service life, capability of being bent at will without deformation, no gas blockage and the like, and the surface soft protective layer material has the characteristics of safety, easiness in cleaning and attractiveness. The PE gas pipe is in the municipal pipe market in China, the plastic pipeline is developing steadily, and the PE gas pipe, the PP-R gas pipe and the UPVC gas pipe all occupy a place.

Because combustible gas flows in the gas pipeline, good tightness is needed, but the fixing mode of a plurality of gas pipes and the connectors is that the hose is screwed into the connectors for fixing, but the mode can cause damage to the connection part of the hose and is unfavorable for sealing the hose and the connectors; therefore, the market urgently needs to develop a flexible hose connector to help people solve the existing problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible hose connector to the current connector that proposes in solving above-mentioned background art probably leads to the hose to insert the part impaired with being connected of hose, to the sealed unfavorable problem of connector department of hose.

In order to achieve the above object, the utility model provides a following technical scheme: a flexible hose connector comprises a middle connecting pipe, an inner connecting pipe is arranged in the middle of the upper end of the middle connecting pipe, an outer conical connecting pipe is arranged outside the inner connecting pipe, a hose fixing cavity is formed between the inner connecting pipe and the outer conical connecting pipe, the outer conical connecting pipe is provided with a conical cambered surface, the outer part of the outer conical connecting pipe is provided with a fixing nut, the fixing nut is fixed with the outer conical connecting pipe through threads, a conical fixing cavity is arranged inside the fixing nut, the conical fixing cavity and the conical cambered surface are arranged into a round platform structure, the conical fixing cavity is matched with the conical cambered surface, a preset gap is arranged on the outer conical connecting pipe, two preset gaps are arranged, the preset gaps are symmetrically arranged, the preset gaps are triangular, the outer conical connecting pipe is provided with a sealing layer at a preset gap position, and the sealing layer is connected with the outer conical connecting pipe in a sticking mode.

Preferably, the lower end of the inner part of the hose fixing cavity is provided with an inner sealing ring, and the inner sealing ring is fixedly connected with the inner connecting pipe and the middle connecting pipe.

Preferably, the lower end of the outer surface of the fixing nut is provided with assisting grains which are arranged in an annular array.

Preferably, the middle connecting pipe, the inner connecting pipe and the outer conical connecting pipe are integrally formed, and the upper end face of the inner connecting pipe is flush with the upper end face of the outer conical connecting pipe.

Preferably, the lower end of the outer surface of the outer conical connecting pipe is provided with a first outer sealing ring, the first outer sealing ring is tightly attached to the middle connecting pipe, the inner surface of the first outer sealing ring is of a circular truncated cone structure, and the first outer sealing ring is tightly attached to the outer surface of the outer conical connecting pipe.

Preferably, the lower extreme of middle connecting pipe is provided with outer cylindrical connection pipe, and outer cylindrical connection pipe and middle connecting pipe integrated into one piece, the centre of interconnection takeover, middle connecting pipe and outer cylindrical connection pipe is provided with the circulation chamber, and the circulation chamber sets up to the impartial cylindricality structure of diameter, the upper end of outer cylindricality connecting pipe surface is provided with the second outer sealing washer, and the second outer sealing washer tightly laminates with outer cylindrical connection pipe and middle connecting pipe, the outside of outer cylindrical connection pipe is provided with hexagon nut, hexagon nut's inside is provided with the fixed chamber of cylindricality, and the diameter in the fixed chamber of cylindricality is greater than the diameter of outer cylindrical connection pipe.

Compared with the prior art, the beneficial effects of the utility model are that: the connection of the existing connector and the hose may cause the damage of the hose connection part, and the sealing between the hose and the connector is not good

1. In the utility model, the connection of the hose is realized by the pressure fixing way at the two sides of the inner connecting pipe and the outer conical connecting pipe, one end of the hose is arranged in the hose fixing cavity, the fixing nut is rotated downwards, the average width of the hose fixing cavity is slightly larger than the width of the hose wall because the outer conical connecting pipe is provided with the preset gap, the hose is easy to be arranged, and the conical fixing cavity on the fixing nut is fixed with the outer conical connecting pipe through the screw thread, when the fixing nut is screwed downwards, the width of the preset gap is gradually reduced, the pressure of the fixing nut on the outer conical connecting pipe is gradually increased, therefore, the pressure of the outer conical connecting pipe on the hose is gradually increased until the fixing nut is screwed downwards to be attached to the first outer sealing ring, therefore, the hose is firmly fixed in the connector under the action of pressure, and the hose cannot be damaged by screwing the hose and the connector;

2. in the utility model, the conical fixing cavity on the fixing nut is fixedly connected with the thread of the outer conical connecting pipe, the conical structure enables the fixing nut to be better fixed with the outer conical connecting pipe, the stress at each position of the outer conical connecting pipe is average in the gradual locking process, the outer conical connecting pipe rebounds in the unscrewing process, the pressure effect on the conical fixing cavity on the fixing nut is smaller, and the long-term use of the connector is more facilitated;

3. the utility model discloses an in, it has the inner seal circle to increase, and first outer sealing washer mating reaction increases the sealed assurance between connector and the hose, guarantees that the gas can not follow fixation nut and hose, in-connection pipe and outer cone shape connecting pipe hookup location and spill over at the circulation chamber flow in-process.

Drawings

Fig. 1 is an exploded view of a flexible hose connector according to the present invention;

fig. 2 is a cross-sectional view of the fixing nut of the present invention;

fig. 3 is a cross-sectional view of the flexible hose connector of the present invention with the retaining nut and hex nut removed.

In the figure: 1. fixing a nut; 2. a first outer seal ring; 3. an inner seal ring; 4. an internal connection pipe; 5. an outer conical connecting tube; 6. a middle connecting pipe; 7. an outer cylindrical connecting tube; 8. a second outer seal ring; 9. a hexagonal nut; 10. a cylindrical fixation cavity; 11. a tapered fixation cavity; 12. a power assisting line; 13. presetting a gap; 14. a flow-through chamber; 15. a hose fixation cavity; 16. a conical cambered surface.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, the present invention provides an embodiment: a flexible hose connector comprises a middle connecting pipe 6, an inner connecting pipe 4 is installed in the middle of the upper end of the middle connecting pipe 6, an outer conical connecting pipe 5 is installed outside the inner connecting pipe 4, a hose fixing cavity 15 is formed between the inner connecting pipe 4 and the outer conical connecting pipe 5, one end of a hose is embedded into the hose fixing cavity 15 during installation, a conical cambered surface 16 is arranged on the outer conical connecting pipe 5, a fixing nut 1 is installed outside the outer conical connecting pipe 5, the fixing nut 1 and the outer conical connecting pipe 5 are fixed through threads, a conical fixing cavity 11 is arranged inside the fixing nut 1, the conical fixing cavity 11 and the conical cambered surface 16 are in a circular truncated cone structure, the conical fixing cavity 11 is matched with the conical cambered surface 16, a preset notch 13 is in a completely closed state, and when the notch 13 is normally opened, the sizes of the conical cambered surface 16 are all larger than the size of the conical fixing cavity, be provided with on outer conical connection pipe 5 and predetermine breach 13, and predetermine breach 13 and be provided with two, predetermine breach 13 symmetry setting, predetermine breach 13 and set up to triangle-shaped, connecting pipe 6 direction in the middle of the closed angle orientation, outer conical connection pipe 5 is being provided with the sealing layer in predetermineeing breach 13 position, and the sealing layer is pasted with outer conical connection pipe 5 and is connected, including connecting pipe 4 and outer conical connection pipe 5 under to hose pressure state, outer conical connection pipe 5 is because predetermine breach 13 department sealing layer and seal, keep the sealed effect of each structure, the gas can not be revealed.

Further, the lower end of the inside of the hose fixing cavity 15 is provided with an inner sealing ring 3 which is directly contacted with the hose and is a first sealing protection structure, and the inner sealing ring 3 is fixedly connected with the inner connecting pipe 4 and the middle connecting pipe 6.

Furthermore, the lower end of the outer surface of the fixing nut 1 is provided with the assisting threads 12, the assisting threads 12 are arranged in an annular array mode and are convenient to screw, the assisting threads are screwed downwards by hands when the reaction force in the early period is not large, the part of the outer conical connecting pipe 5 enters the conical fixing cavity 11, tools are needed when the screwing is continued, and the assisting threads 12 are used for increasing the friction force.

Further, the intermediate connecting pipe 6 is integrally formed with the inner connecting pipe 4 and the outer tapered connecting pipe 5, and the upper end surface of the inner connecting pipe 4 is flush with the upper end surface of the outer tapered connecting pipe 5.

Further, the lower extreme of outer conical connection pipe 5 surface is provided with first outer seal ring 2, and first outer seal ring 2 tightly laminates with middle connecting pipe 6, and the internal surface of first outer seal ring 2 sets up to the round platform structure, and for the laminating effect with outer conical connection pipe 5, under the condition that outer conical connection pipe 5 surface has toper cambered surface 16, the corresponding change of first outer seal ring 2 internal surface shape, be different from traditional seal ring shape, first outer seal ring 2 tightly laminates with outer conical connection pipe 5 surface.

Further, an outer cylindrical connecting pipe 7 is arranged at the lower end of the middle connecting pipe 6, the outer cylindrical connecting pipe 7 and the middle connecting pipe 6 are integrally formed, a circulation cavity 14 is arranged among the inner connecting pipe 4, the middle connecting pipe 6 and the outer cylindrical connecting pipe 7, fuel gas circulates inside, the circulation cavity 14 is of a cylindrical structure with equal diameter, the transmission speed and the flow of the fuel gas cannot be changed due to the influence of the diameter, a second outer sealing ring 8 is arranged at the upper end of the outer surface of the outer cylindrical connecting pipe 7, the second outer sealing ring 8 is tightly attached to the outer cylindrical connecting pipe 7 and the middle connecting pipe 6, a hexagonal nut 9 is arranged outside the outer cylindrical connecting pipe 7, a cylindrical fixing cavity 10 is arranged inside the hexagonal nut 9, the diameter of the cylindrical fixing cavity 10 is larger than that of the outer cylindrical connecting pipe 7, the outer cylindrical connecting pipe 7 is fixed with the mounting structure through internal threads, and then is further locked through the fixation of the hexagonal nut 9 and the, making the other end well mounted.

The working principle is as follows: when in use, the fixing nut 1 firstly passes through the hose to be installed, one end of the hose is embedded into the hose fixing cavity 15 in front of the outer conical connecting pipe 5 and the middle connecting pipe 6 until one end of the hose is contacted and jointed with the inner sealing ring 3, the fixing nut 1 is screwed from one end of the outer conical connecting pipe 5 to the other end, because the outer conical connecting pipe 5 is provided with the preset gap 13, in the process of tightening at fixation nut 1, predetermine the size of breach 13 and dwindle gradually, fixation nut 1 and 5 threaded fixing areas of outer taper joint pipe are bigger and bigger, fixation nut 1 is bigger and bigger to the pressure of outer taper joint pipe 5, outer taper joint pipe 5 is also bigger and bigger to the pressure of hose in the fixed chamber 15 of hose, until fixation nut 1 and the contact of first outer seal ring 2, the hose is firmly fixed by in-connection pipe 4 and outer taper joint pipe 5 this moment, realize the fixed of this connector and hose. The outer cylindrical connecting pipe 7 is fixed with other connecting positions according to the installation position, and is further locked through the hexagonal nut 9, so that the hose is connected with the installation position.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a flexible hose connector, includes intermediate junction pipe (6), its characterized in that: the middle of the upper end of the middle connecting pipe (6) is provided with an inner connecting pipe (4), the outer part of the inner connecting pipe (4) is provided with an outer conical connecting pipe (5), a hose fixing cavity (15) is formed between the inner connecting pipe (4) and the outer conical connecting pipe (5), the outer conical connecting pipe (5) is provided with a conical cambered surface (16), the outer part of the outer conical connecting pipe (5) is provided with a fixing nut (1), the fixing nut (1) and the outer conical connecting pipe (5) are fixed through threads, the inner part of the fixing nut (1) is provided with a conical fixing cavity (11), the conical fixing cavity (11) and the conical cambered surface (16) are arranged into a round platform structure, the conical fixing cavity (11) is matched with the conical cambered surface (16), the outer conical connecting pipe (5) is provided with a preset notch (13), and the preset notch (13) is provided with, predetermine breach (13) symmetry setting, predetermine breach (13) and set up to triangle-shaped, outer conical connection pipe (5) are provided with the sealing layer in predetermineeing breach (13) position, and the sealing layer pastes with outer conical connection pipe (5) and is connected.

2. A flexible hose coupling according to claim 1, wherein: the lower end of the inside of the hose fixing cavity (15) is provided with an inner sealing ring (3), and the inner sealing ring (3) is fixedly connected with the inner connecting pipe (4) and the middle connecting pipe (6).

3. A flexible hose coupling according to claim 1, wherein: the lower end of the outer surface of the fixing nut (1) is provided with assisting patterns (12), and the assisting patterns (12) are arranged in an annular array.

4. A flexible hose coupling according to claim 1, wherein: middle connecting pipe (6) and internal connection are taken over (4) and outer conical connection pipe (5) integrated into one piece, the up end of internal connection (4) flushes with the up end of outer conical connection pipe (5).

5. A flexible hose coupling according to claim 1, wherein: the lower extreme of outer conical connection pipe (5) surface is provided with first outer seal circle (2), and first outer seal circle (2) and middle connecting pipe (6) tightly laminate, and the internal surface of first outer seal circle (2) sets up to the round platform structure, and first outer seal circle (2) and outer conical connection pipe (5) surface tightly laminate.

6. A flexible hose coupling according to claim 1, wherein: the lower extreme of intermediate junction pipe (6) is provided with outer cylindricality connecting pipe (7), and outer cylindricality connecting pipe (7) and intermediate junction pipe (6) integrated into one piece, the centre of in-connection takeover (4), intermediate junction pipe (6) and outer cylindricality connecting pipe (7) is provided with circulation chamber (14), and circulation chamber (14) set up to the impartial cylindricality structure of diameter, the upper end of outer cylindricality connecting pipe (7) surface is provided with second outer seal circle (8), and second outer seal circle (8) and outer cylindricality connecting pipe (7) and intermediate junction pipe (6) tightly laminate, the outside of outer cylindricality connecting pipe (7) is provided with hexagon nut (9), the inside of hexagon nut (9) is provided with the fixed chamber of cylindricality (10), and the diameter in the fixed chamber of cylindricality (10) is greater than the diameter of outer cylindricality connecting pipe (7).