CN218891814U

CN218891814U - Round nut class pipe assembly and disassembly tools

Info

Publication number: CN218891814U
Application number: CN202222414111.XU
Authority: CN
Inventors: 于晶春; 张俊峰; 贾广峰; 范永生; 张日刚
Original assignee: Dalian Changfeng Industrial Corp
Current assignee: Dalian Changfeng Industrial Corp
Priority date: 2022-09-13
Filing date: 2022-09-13
Publication date: 2023-04-21
Anticipated expiration: 2032-09-13

Abstract

The utility model provides a round nut type catheter dismounting tool which comprises a spanner head assembly and an adjustable handle, wherein the spanner head assembly comprises spanner heads with more than two specifications, at least 5 clamping teeth are arranged in the spanner heads, and the end heads of the adjustable handle are inserted into the spanner heads; therefore, the wrench head can uniformly bear force through the plurality of clamping teeth and the plurality of teeth of the round coat nut, so that the wrench head can obtain enough dismounting torque, can effectively protect the teeth of the round coat nut, and meanwhile, the adjustable handle can extend into a narrow space to realize dismounting of the round coat nut.

Description

Round nut class pipe assembly and disassembly tools

Technical Field

The utility model belongs to the technical field of aviation equipment, and particularly relates to a circular nut type guide pipe dismounting tool.

Background

The standard round coat nut Q/6A4-19 belongs to a coat nut for connecting a conduit with a joint and an accessory, and is a recommended special tool single-claw hook head spanner which is used for disassembling and assembling round coat nuts with different specifications.

In the aspect of aviation, the round coat nut Q/6A4-19 is generally used for a fuel system and an air conditioning system duct, in the process of disassembly and assembly of a certain aircraft, the duct nut and a joint thread are deformed and fastened due to long-time high temperature of the fuel system and the air conditioning system duct, when the single-claw hook spanner is used for disassembly and assembly, the damage and fracture of teeth are easily caused due to overlarge single-tooth stress on the nut, even the damage of a pipe body can be caused after the spanner is separated, most of the duct is a large-diameter duct, and the duct cannot be repaired after damage, so that a large amount of repair cost is increased intangibly, and the production period is seriously influenced.

The single-claw hook head wrench of the traditional recommended special tool is provided with 1-2 claws, single-tooth stress on the coat nut is easy to cause in the disassembly and assembly process, so that the teeth on the coat nut are damaged and broken when the force is excessively applied, the hook head wrench is easy to break off when the force is applied, and great potential safety hazards exist. In addition, some fuel oil or air conditioning system pipes on the aircraft are arranged in a narrow bulkhead, and the disassembly and assembly work cannot be completed due to the length and angle limitation of the handle of the hook spanner.

Disclosure of Invention

In order to solve the problems, the utility model provides a circular nut type guide pipe dismounting tool which can realize dismounting of a circular nut type guide pipe and has the advantages of simple and small structure, convenient operation, stable performance and reliable use.

The utility model provides a round nut class pipe assembly and disassembly tools, includes spanner head subassembly and adjustable handle 2, and wherein, spanner head subassembly includes spanner head 1 of more than two kinds of specifications, and is equipped with at least 5 latches in spanner head 1 inside; the end of the adjustable handle 2 is inserted into the spanner head 1, meanwhile, the adjustable handle 2 is composed of more than two sections of combined connecting rods, and the sections of combined connecting rods are connected through clamping grooves.

Further, 5-7 clamping teeth are arranged in the spanner head 1, the width of each clamping tooth is 5.7mm, and the thickness of each clamping tooth is 6.5mm.

Further, the wrench head 1 adopts a detachable handle clamping groove design, the end face of the handle clamping groove is square, the unilateral length is 12.5mm, and the depth is 15mm.

Further, the spanner head 1 adopts a guiding design, and the width of a guiding groove is 20mm; meanwhile, the spanner head 1 adopts an anti-falling design, and the guide groove protrudes out of the round nut to be disassembled and assembled to have a diameter of 10mm.

Further, the combined link includes a straight link and an angular diagonal link.

The beneficial effects are that:

1. the utility model provides a round nut type catheter dismounting tool which comprises a spanner head assembly and an adjustable handle, wherein the spanner head assembly comprises spanner heads with more than two specifications, at least 5 clamping teeth are arranged in the spanner heads, and the end heads of the adjustable handle are inserted into the spanner heads; therefore, the wrench head can uniformly bear force through the plurality of clamping teeth and the plurality of teeth of the round coat nut, so that the wrench head can obtain enough dismounting torque, can effectively protect the teeth of the round coat nut, and meanwhile, the adjustable handle can extend into a narrow space to realize dismounting of the round coat nut.

2. The utility model provides a circular nut type guide pipe dismounting tool, wherein a guide groove protrudes out of the diameter of a circular nut to be dismounted, so that the possibility of dismounting the nut to be dismounted is greatly reduced.

3. The utility model provides a circular nut type catheter dismounting tool, wherein a combined connecting rod is a combination of a straight connecting rod and an angle inclined connecting rod, and the circular nut type catheter dismounting tool can be suitable for different nut dismounting spaces.

Drawings

FIG. 1 is a schematic view of the whole structure of a tool for assembling and disassembling a round nut type conduit;

FIG. 2 is a schematic view of a wrench head of a round nut type pipe dismounting tool according to the present utility model;

FIG. 3 is a simplified diagram of an adjustable straight connecting rod of a round nut type catheter dismounting tool provided by the utility model;

FIG. 4 is a schematic view of an adjustable diagonal connecting rod of a round nut type catheter removal tool provided by the present utility model; 1-spanner head, 2-adjustable handle.

Detailed Description

In order to enable those skilled in the art to better understand the present application, the following description will make clear and complete descriptions of the technical solutions in the embodiments of the present application with reference to the accompanying drawings in the embodiments of the present application.

As shown in fig. 1, a round nut type catheter dismounting tool comprises a spanner head assembly and an adjustable handle 2, wherein the spanner head assembly comprises spanner heads 1 with more than two specifications, and at least 5 clamping teeth are arranged inside the spanner head 1; the end of the adjustable handle 2 is inserted into the spanner head 1, meanwhile, the adjustable handle 2 is composed of more than two sections of combined connecting rods, and the sections of combined connecting rods are connected through clamping grooves.

That is, the dismounting tool provided by the utility model comprises two parts of the spanner head 1 and the adjustable handle 2, and the positions and the connection relations among the parts are as follows: the end heads of the spanner head 1 and the adjustable handle 2 are inserted, wherein the spanner head 1 is a plurality of spanner heads of round coat nuts which meet different specifications; the adjustable handle 2 is formed by a multi-section combined connecting rod, and the connecting rod is a cylinder and is in a clamping groove type design.

Preferably, as shown in FIG. 2, the wrench head is provided with 5-7 teeth, the width of the teeth is 5.7mm, and the thickness is 6.5mm. Meanwhile, the spanner head adopts a guide design and a detachable handle clamping groove design, wherein the width of the guide groove is 20mm, the end face of the handle clamping groove is square, the unilateral length is 12.5mm, and the depth is 15mm. In addition, the spanner head also adopts an anti-falling design, and the diameter of the guide groove protruding from the round nut is 10mm.

Further, the adjustable handle is formed by adopting a multi-section combined connecting rod, and comprises a straight connecting rod and an angle inclined connecting rod, wherein the combined connecting rod is a cylinder, and two ends of the combined connecting rod are in a clamping groove type design. As shown in fig. 3 and fig. 4, the structure diagrams of the straight connecting rod and the angular inclined connecting rod are respectively shown, wherein the straight connecting rod can be a straight connecting rod with the length of 110mm or 160mm, the angular inclined connecting rod can be an angular inclined connecting rod with the inclination angle of 75 degrees, the short side length of 50mm and the long side length of 100 mm. Meanwhile, one end of each combined connecting rod is of a clamping groove type structure, the end face of each clamping groove is square, the unilateral length is 12.5mm, and the depth is 15mm; the other end of each combined connecting rod is of a cube structure, one side of the cube is provided with an anti-falling ball, a spring is arranged in the ball, the unilateral length of the end face of the cube is 12mm, and the length of the cube is 13mm.

The utility model provides a working principle of a circular nut type catheter dismounting tool, which is as follows:

through spanner headgear to the circular overcoat nut of pipe, make the tooth on the spanner headgear all get into the tooth between circular overcoat nut tail end completely, select the connecting rod that is fit for length and angle according to pipe installation space position, insert the draw-in groove of spanner head with the connecting rod, rotate the connecting rod at last and accomplish circular overcoat nut dismouting process.

Therefore, in the overhaul process of a certain type of aircraft, the tool provided by the utility model can effectively solve the problem under the condition that the round jacketing nut on the system pipeline is deformed and fastened with the joint screw thread and the disassembly difficulty is large. The spanner head and the round coat nut of the dismounting tool provided by the utility model are uniformly stressed, so that enough dismounting torque is obtained, the teeth of the round coat nut can be effectively protected, and the adjustable handle can extend into a narrow space, so that the dismounting of the round coat nut can be realized.

Of course, the present utility model is capable of other various embodiments and its several details are capable of modification and variation in light of the present utility model by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.

Claims

1. The round nut type catheter dismounting tool is characterized by comprising a spanner head assembly and an adjustable handle (2), wherein the spanner head assembly comprises spanner heads (1) with more than two specifications, and at least 5 clamping teeth are arranged inside the spanner heads (1); the end of the adjustable handle (2) is inserted into the spanner head (1), meanwhile, the adjustable handle (2) is composed of more than two sections of combined connecting rods, and the sections of combined connecting rods are connected through clamping grooves.

2. The tool for dismounting the round nut type conduit according to claim 1, wherein 5-7 clamping teeth are arranged in the wrench head (1), the width of each clamping tooth is 5.7mm, and the thickness of each clamping tooth is 6.5mm.

3. The tool for dismounting the round nut type catheter according to claim 1, wherein the wrench head (1) is designed with a detachable handle clamping groove, the end face of the handle clamping groove is square, the unilateral length is 12.5mm, and the depth is 15mm.

4. A tool for dismounting a circular nut type guide pipe as claimed in claim 1, wherein the wrench head (1) adopts a guide design, and the guide groove width is 20mm; meanwhile, the spanner head (1) adopts an anti-falling design, and the guide groove protrudes out of the round nut to be disassembled and assembled by 10mm in diameter.

5. A round nut-type catheter removal tool as claimed in any one of claims 1 to 4, wherein said combination link comprises a straight link and an angled link.