CN219263497U

CN219263497U - Dual-purpose simple conversion head of stainless steel corrugated hose

Info

Publication number: CN219263497U
Application number: CN202223400860.3U
Authority: CN
Inventors: 向磊; 胡熙存
Original assignee: Ningbo Suoli Pipe Co ltd
Current assignee: Ningbo Suoli Pipe Co ltd
Priority date: 2022-12-19
Filing date: 2022-12-19
Publication date: 2023-06-27
Anticipated expiration: 2032-12-19

Abstract

The utility model relates to the technical field of stainless steel corrugated hoses, in particular to a dual-purpose simple conversion head of a stainless steel corrugated hose, which comprises a flange pipe and a connecting nut, wherein the flange pipe is fixedly connected with the connecting nut, the dual-purpose simple conversion head also comprises a tubular sealing element and a screwing element, the screwing element is screwed with the connecting nut through threads, the tubular sealing element is arranged between the screwing element and the connecting nut, a first end of the tubular sealing element is spliced in the connecting nut and is matched and abutted with the flange pipe, a second end of the tubular sealing element is spliced in the screwing element and is matched and abutted with the screwing element, an inserting port is formed in the screwing element, and a through hole corresponding to the inserting port is formed in the tubular sealing element. The connector of the traditional threaded connection mode is improved, and after improvement, the connector can be very conveniently used for conversion between the plug connection mode (namely assembly with the plug connector) and the threaded connection mode (namely assembly with the threaded connector), so that the purpose of dual-purpose conversion is achieved, and the connector is simple in structure, low in cost and very convenient to use.

Description

Dual-purpose simple conversion head of stainless steel corrugated hose

Technical Field

The utility model relates to the technical field of stainless steel corrugated hoses, in particular to a dual-purpose simple conversion head of a stainless steel corrugated hose.

Background

The stainless steel corrugated hose for gas has the characteristics of strong corrosion resistance, sedimentation resistance, rat and insect bite resistance, no gas blockage and the like, so that gas companies and wide users are approved and widely used. However, after the execution standard of the stainless steel corrugated hose for connecting the gas appliance is upgraded from the industry standard to the national standard, namely, from CJ/T197-2010 stainless steel corrugated hose for connecting the gas appliance to GB/T41317-2022 stainless steel corrugated hose for connecting the gas appliance, after the implementation of the new national standard, the interface is only allowed to adopt a threaded connection type interface, and the plug-in interface is cancelled. At present, a large number of gas appliances with plug-in connectors still exist in the domestic market, so that the gas appliances cannot be connected by adopting stainless steel corrugated hoses, and only other hoses can be selected for connection, thus greatly reducing the gas safety.

Therefore, there is a need for improvements over the prior art.

Disclosure of Invention

Aiming at the problems, the utility model provides the dual-purpose simple conversion head of the stainless steel corrugated hose, which is convenient to install, safe, reliable and low in cost, and effectively overcomes the defects and the shortcomings of the prior art.

In order to achieve the above purpose, the technical scheme of the utility model is as follows:

the utility model provides a simple and easy adapter of dual-purpose type of nonrust corrugated steel hose, including flange pipe and coupling nut, flange pipe and coupling nut fixed connection, still include tubular sealing spare and screw the piece, screw the piece and connect soon with the coupling nut screw thread, tubular sealing spare is located and is screwed between piece and the coupling nut, tubular sealing spare's first end is pegged graft in coupling nut to with flange pipe cooperation butt, tubular sealing spare's second end is pegged graft in screwing in the piece, and with screw a cooperation butt, be equipped with the interface on the piece of screwing, be equipped with the through-hole that corresponds with the interface in the tubular sealing spare.

According to the scheme, the first end of the tubular sealing piece is provided with the convex edge part matched and abutted with the flange pipe, the second end of the tubular sealing piece is provided with the round pipe part matched and abutted with the screwing piece, the inner wall of one end of the penetrating hole, which is close to the flange pipe, is coated with the metal sleeve insert, and the inner wall of one end of the penetrating hole, which is close to the screwing piece, is provided with the straight section part.

According to the scheme, the inner wall of the straight section part is provided with the reinforcing ribs.

According to the scheme, the screwing piece is internally provided with the inner hollow part for accommodating the round pipe part, and a limiting step matched and abutted with the round pipe part is arranged between the inner hollow part and the plug-in port.

The utility model has the beneficial effects that:

the utility model adopts the structure arrangement, mainly improves the connector in the traditional thread connection mode, can be very conveniently used for switching between the plug connection mode (namely the assembly with the plug connector) and the thread connection mode (namely the assembly with the thread connector) after the improvement, thereby achieving the purpose of dual-purpose switching.

Drawings

FIG. 1 is a general block diagram of the present utility model;

FIG. 2 is a block diagram of a tubular seal of the present utility model;

FIG. 3 is a view showing the construction of a screw member according to the present utility model;

FIG. 4 is an assembly view of the present utility model for use in a plug connection;

fig. 5 is an assembly view of a conventional screw connection.

In the figure: 1. a flange pipe; 2. a coupling nut; 21. an internal thread portion; 3. a tubular seal; 31. a convex edge portion; 32. a circular tube part; 33. a metal sleeve insert; 34. a straight section; 35. reinforcing ribs; 36. a through hole; 4. a screwing piece; 41. an interface; 42. an external thread portion; 43. an inner hollow portion; 44. a limit step; 5. a green joint; 51. a plug-in part; 6. a threaded joint; 61. a threaded column; 7. a sealing gasket; 8. stainless steel corrugated hose; 9. a rubber layer; 10. and (5) a steel sleeve.

Detailed Description

The technical scheme of the utility model is described below with reference to the accompanying drawings and examples.

As shown in fig. 1, the dual-purpose simple conversion head of the stainless steel corrugated hose comprises a flange pipe 1 and a connecting nut 2, wherein the flange pipe 1 is fixedly connected with the connecting nut 2, the dual-purpose simple conversion head also comprises a tubular sealing element 3 and a screwing element 4, the screwing element 4 is in threaded connection with the connecting nut 2, the tubular sealing element 3 is arranged between the screwing element 4 and the connecting nut 2, a first end of the tubular sealing element 3 is inserted into the connecting nut 2 and is matched and abutted with the flange pipe 1, a second end of the tubular sealing element 3 is inserted into the screwing element 4 and is matched and abutted with the screwing element 4, an inserting port 41 is arranged on the screwing element 4, and a through hole 36 corresponding to the inserting port 41 is arranged in the tubular sealing element 3. The above constitutes the basic structure of the present utility model.

The utility model adopts the structure arrangement, mainly improves the connector in the traditional thread connection mode, can be very conveniently used for switching between the plug connection mode (namely assembling with the plug connector) and the thread connection mode (namely assembling with the thread connector) after improvement, thereby achieving the purpose of dual-purpose switching, more specifically, the tubular sealing element 3 and the screwing element 4 are added on the connector in the traditional thread connection mode, and the utility model has simple structure, low cost and very convenient use.

The traditional stainless steel corrugated hose 8 is externally coated with a rubber layer 9, the end part of the traditional stainless steel corrugated hose is fixedly connected with the flange pipe 1 through a steel sleeve 10, and the flange pipe 1 is fixedly connected with the connecting nut 2.

As shown in fig. 5, when the threaded joint 6 is assembled, the threaded post 61 of the threaded joint 6 is engaged with the female screw portion 21 of the coupling nut 2, and when the threaded post 61 is screwed, the threaded post is abutted against the seal washer 7 in the coupling nut 2 and locked, thereby preventing leakage. After implementation of the new national standard, the threaded connection type interface is generally adopted.

As shown in fig. 4, when the green joint 5 is to be converted, the sealing washer 7 is removed (of course, it is also possible to remove the washer), the first end of the tubular seal member 3 is inserted into the coupling nut 2 and is engaged with the flange pipe 1, the screw 4 is then attached, the second end of the tubular seal member 3 is inserted into the screw 4 by engaging the male screw portion 41 of the screw 4 with the female screw portion 21 of the coupling nut 2, and is engaged with the screw 4, the insertion portion 51 of the green joint 5 is inserted into the through hole 36 through the insertion port 41, and the screw 4 is then screwed.

That is, according to meeting different joints, different connection structures are converted, and the use is very convenient.

The tubular sealing member is made of rubber with a built-in metal sleeve insert 33, and the screwing member 4 is made of metal.

As shown in fig. 2, the first end of the tubular sealing member 3 is provided with a protruding edge portion 31 which is matched and abutted with the flange pipe 1, and the end surface of the protruding edge portion 31 is matched and abutted with the flange pipe 1, so that leakage can be prevented when the screwing member 4 is matched and screwed with the connecting nut 2; the second end of the tubular sealing member 3 is provided with a circular tube portion 32 matched and abutted with the screwing member 4, the inner wall of one end, close to the flange pipe 1, of the through hole 36 is coated with a metal sleeve insert 33, and the inner wall of one end, close to the screwing member 4, of the through hole 36 is provided with a straight section portion 34. The straight section 34 deforms after the screwing piece 4 is screwed and is tightly locked with the annular surface of the green joint 5, wherein the inner wall of one end of the through hole 36, which is close to the flange pipe 1, is coated with the metal sleeve insert 33, so that the deformation can not occur when the screwing piece 4 is screwed and extruded, and the plug-in part 51 of the green joint 5 can be inserted into the bottom in a penetrating way. That is, the metal sleeve insert 33 serves to support the end of the pipe seal 3 near the flange pipe 1.

In this embodiment, the inner wall of the straight section 34 is provided with a reinforcing rib 35. After the screwing piece 4 is screwed, the straight section 34 deforms and is tightly locked with the annular surface of the green joint 5, and the reinforcing ribs 35 are more tightly attached to the annular surface of the green joint 5, so that the green joint 5 is further prevented from falling out. That is, the reinforcing ribs 35 serve to enhance the tightening force.

As shown in fig. 3, the screw 4 is provided with an inner hollow portion 43 for accommodating the circular tube portion 32, and a limit step 44 that is in contact with the circular tube portion 32 in a mating manner is provided between the inner hollow portion 43 and the plug-in port 41. The straight portion 34 is pressed against the end face of the pipe seal 3 by the limit step 44 when the screw 4 is screwed.

The embodiments of the present utility model have been described above with reference to the accompanying drawings, but the present utility model is not limited to the above-described embodiments, which are merely illustrative, not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present utility model and the scope of the claims, which are all within the scope of the present utility model.

Claims

1. The utility model provides a simple and easy change-over head of dual-purpose of nonrust corrugated steel hose, includes flange pipe (1) and coupling nut (2), flange pipe (1) and coupling nut (2) fixed connection, its characterized in that: still include tubular seal spare (3) and screw piece (4), screw piece (4) and coupling nut (2) screw thread connect soon, tubular seal spare (3) are located between screw piece (4) and coupling nut (2), the first end of tubular seal spare (3) is pegged graft in coupling nut (2) to with flange pipe (1) cooperation butt, the second end of tubular seal spare (3) is pegged graft in screw piece (4) to with screw piece (4) cooperation butt, be equipped with interface (41) on screwing piece (4), be equipped with in tubular seal spare (3) through-hole (36) that correspond with interface (41).

2. The dual-purpose simple and easy adapter of a corrugated stainless steel hose according to claim 1, wherein: the first end of tubular sealing piece (3) is equipped with protruding edge portion (31) with flange pipe (1) cooperation butt, the second end of tubular sealing piece (3) is equipped with pipe portion (32) with screw piece (4) cooperation butt, the cladding has metal sleeve inserts (33) on the one end inner wall that through-hole (36) are close to flange pipe (1), be equipped with straight section portion (34) on the one end inner wall that through-hole (36) are close to screw piece (4).

3. The dual-purpose simple and easy adapter of a corrugated stainless steel hose according to claim 2, wherein: the inner wall of the straight section part (34) is provided with a reinforcing rib (35).

4. The dual-purpose simple and easy adapter of a corrugated stainless steel hose according to claim 2, wherein: an inner hollow part (43) for accommodating the round tube part (32) is arranged in the screwing piece (4), and a limit step (44) matched and abutted with the round tube part (32) is arranged between the inner hollow part (43) and the plug-in port (41).