Kink-proof structure of pneumoelectric combined pipe of dust collector

Abstract

The utility model discloses an anti-kink structure of a pneumatic-electric combined pipe of a dust collector. The anti-kink structure comprises a first flange plate and a second flange plate, the outer end of the connecting pipe extends outwards to form a positioning ring, and the pneumoelectric combined pipe is arranged on the connecting pipe in a sleeving mode; the positioning pipe is circumferentially arranged on the outer side of the connecting pipe and the first flange plate, a first positioning block extends from the outer side of the positioning ring and abuts against the inner side of the pneumoelectric combined pipe, a second positioning block extends from the side face of the positioning pipe towards the connecting pipe, and the second positioning block abuts against the outer side of the pneumoelectric combined pipe; the second flange plate is spliced on the connecting pipe in a sealing manner, a plurality of positioning columns extend on the second flange plate and are inserted into positioning pipes, and the positioning pipes and the positioning columns are clamped and fixed through screws or pins. The utility model can solve the problem of kink when the dust collection combined pipe of a common dust collector is assembled and used, and ensures stable power supply, air supply and sealing performance at the interface.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum cleaners, in particular to an anti-kink structure of a gas-electric combination pipe of a vacuum cleaner. Background Art

[0002] The common vacuum cleaner interface structure and the dust collection tube have large assembly resistance, so during actual assembly, workers will press the dust collection tube into the interface structure and then screw it. This will cause the combined tube to become kinked, resulting in unstable power and air supply and insufficient sealing at the interface. Utility Model Content

[0003] The purpose of the utility model is to provide an anti-kink structure for the gas-electric combination pipe of a vacuum cleaner in order to solve the problem that the assembly resistance between the interface structure and the dust collecting pipe of a common vacuum cleaner is large, so that during actual assembly, workers will press the dust collecting pipe into the interface structure and then screw it, which will cause the combination pipe to become kinked, resulting in unstable power and air supply and insufficient sealing at the interface.

[0004] In order to achieve the above-mentioned purpose, the present invention adopts the following technical solution: an anti-kink structure for a gas-electric combination pipe of a vacuum cleaner, comprising:

[0005] First flange;

[0006] A connecting pipe is provided through the first flange, with a positioning ring extending outward from the outer end, and the gas-electricity combination pipe is sleeved on the connecting pipe;

[0007] A plurality of positioning tubes are circumferentially arranged on the outside of the connecting tube and on the first flange, the positioning tubes abutting the outside of the gas-electricity combination tube, a first positioning block extending from the outside of the positioning ring, the first positioning block abutting the inside of the gas-electricity combination tube, and a second positioning block extending from the side of the positioning tube toward the connecting tube, the second positioning block abutting the outside of the gas-electricity combination tube;

[0008] The second flange has a central connecting ring that is sealed and assembled on the connecting pipe. A plurality of positioning posts are extended on the end face of the second flange toward the first flange. The positioning posts are inserted into the positioning pipe. The positioning pipe and the positioning posts are fixed by screws or pins.

[0009] As a further description of the above technical solution:

[0010] The distance between the connecting pipe and the second positioning block is equal to the thickness of the gas-electricity combination pipe.

[0011] As a further description of the above technical solution:

[0012] The first positioning block and the second positioning block are staggered along the circumferential direction and the axial direction of the connecting pipe, and the conductive pipe in the gas-electricity combination pipe is located between the first positioning block and the second positioning block.

[0013] As a further description of the above technical solution:

[0014] The gas-electricity combination pipe is provided with an elastic closing ring between the first positioning block and the second positioning block.

[0015] As a further description of the above technical solution:

[0016] The side surface of the positioning tube is provided with arc-shaped reinforcing ribs extending along the circumference of the connecting tube.

[0017] In summary, due to the adoption of the above technical solution, the present invention has the following advantages compared with the prior art:

[0018] Beneficial effects:

[0019] The combined pipe connection structure uses two internal and external staggered positioning blocks to perform multi-point abutment positioning of the combined pipe, thereby reducing the resistance to the combined pipe sleeve press-in, and cooperates with an elastic closing ring to seal the interface, so that the combined pipe does not need to be assembled circumferentially, and can be directly pressed in axially, which reduces the difficulty of assembly and ensures stable positioning, avoiding the problem of unstable power supply caused by wear and kinking of the conductive wires in the combined pipe during assembly and use; the first flange is replaceable and can be selected through the above structure to adapt to the assembly requirements of combined pipes of different sizes. The interface adopts a flange structure to improve the clamping of the positioning pipe and the connecting pipe on the end of the combined pipe, the stability of positioning, and the sealing of the interface. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments. It should be understood that the following drawings only illustrate certain embodiments of the present invention and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying any creative work.

[0021] Figure 1 A schematic diagram of the anti-kink structure of the gas-electric combination tube of a vacuum cleaner Figure 1 .

[0022] Figure 2 A schematic diagram of the anti-kink structure of the gas-electric combination tube of a vacuum cleaner Figure 2 .

[0023] Legend:

[0024] 1. First flange; 2. Connecting pipe; 3. Positioning pipe; 4. Second flange; 5. Positioning column; 6. Positioning ring; 7. First positioning block; 8. Second positioning block; 9. Arc-shaped reinforcement rib. DETAILED DESCRIPTION

[0025] The following will be combined with the accompanying drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0026] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.

[0027] See also Figure 1-2 The utility model provides a technical solution: an anti-kink structure for a gas-electric combination pipe of a vacuum cleaner, comprising:

[0028] First flange 1;

[0029] A connecting pipe 2 is provided through the first flange 1, with a positioning ring 6 extending outward from the outer end, and the gas-electricity combination pipe is sleeved on the connecting pipe 2;

[0030] A plurality of positioning tubes 3 are circumferentially arranged on the outside of the connecting tube 2 and on the first flange 1. The positioning tubes 3 abut against the outside of the gas-electricity combination tube. A first positioning block 7 extends from the outside of the positioning ring 6. The first positioning block 7 abuts against the inside of the gas-electricity combination tube. A second positioning block 8 extends from the side of the positioning tube 3 toward the connecting tube 2. The second positioning block 8 abuts against the outside of the gas-electricity combination tube.

[0031] The second flange 4 has a central connecting ring sealingly assembled on the connecting pipe 2, and a plurality of positioning posts 5 extend from the end face thereof toward the first flange 1. The positioning posts 5 are inserted into the positioning pipe 3, and the positioning pipe 3 and the positioning posts 5 are fixed by screws or pins.

[0032] The distance between the connecting pipe 2 and the second positioning block 8 is equal to the thickness of the gas-electricity combination pipe.

[0033] The first positioning block 7 and the second positioning block 8 are staggered along the circumferential and axial directions of the connecting pipe 2 , and the conductive pipe in the gas-electricity combination pipe is located between the first positioning block 7 and the second positioning block 8 .

[0034] The gas-electricity combination pipe is provided with an elastic closing ring between the first positioning block 7 and the second positioning block 8 .

[0035] The side surface of the positioning tube 3 is provided with an arc-shaped reinforcement rib 9 extending along the circumference of the connecting tube 2 .

[0036] The assembly process of the anti-kink structure of the gas-electric combination pipe of a vacuum cleaner in this embodiment includes: selecting the model size of the first flange 1 based on the size parameters of the gas-electric combination pipe through the size of the positioning ring 6 and the second positioning block 8 to ensure that the first flange 1 is compatible with the combination pipe; the two flanges are assembled, the positioning column 5 is inserted into the positioning pipe 3 and clamped with screws or pins to fix the structure. The end of the combination pipe is sleeved on the positioning ring 6 and the first positioning block 7, and is further pressed along the connecting pipe 2 so that the combination pipe is inserted between the second positioning block 8 and the connecting pipe 2, and the first positioning block 7 is abutted and positioned against the inner wall of the combination pipe. Finally, the elastic closing ring is used to close the combination pipe.

[0037] The combined pipe connection structure uses two internal and external staggered positioning blocks to perform multi-point abutment positioning of the combined pipe, thereby reducing the resistance to the combined pipe sleeve press-in, and cooperates with an elastic closing ring to seal the interface, so that the combined pipe does not need to be assembled circumferentially, and can be directly pressed in axially, which reduces the difficulty of assembly and ensures stable positioning, avoiding the problem of unstable power supply caused by wear and kinking of the conductive wires in the combined pipe during assembly and use; the first flange is replaceable and can be selected through the above structure to adapt to the assembly requirements of combined pipes of different sizes. The interface adopts a flange structure to improve the clamping of the positioning pipe and the connecting pipe on the end of the combined pipe, the stability of positioning, and the sealing of the interface.

[0038] The above is only a preferred specific implementation method of the present invention, but the protection scope of the present invention is not limited to this. Any technician familiar with the technical field within the technical scope disclosed by the present invention can make equivalent replacements or changes based on the technical solution and utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An anti-kink structure for a vacuum cleaner gas-electric combination pipe, characterized in that: include: First flange; A connecting pipe is provided through the first flange, with a positioning ring extending outward from the outer end, and the gas-electricity combination pipe is sleeved on the connecting pipe; A plurality of positioning tubes are circumferentially arranged on the outside of the connecting tube and on the first flange, the positioning tubes abutting the outside of the gas-electricity combination tube, a first positioning block extending from the outside of the positioning ring, the first positioning block abutting the inside of the gas-electricity combination tube, and a second positioning block extending from the side of the positioning tube toward the connecting tube, the second positioning block abutting the outside of the gas-electricity combination tube; The second flange has a central connecting ring that is sealed and assembled on the connecting pipe. A plurality of positioning posts are extended on the end face of the second flange toward the first flange. The positioning posts are inserted into the positioning pipe. The positioning pipe and the positioning posts are fixed by screws or pins.

2. The anti-kink structure of the gas-electric combination tube of a vacuum cleaner according to claim 1, characterized in that: The distance between the connecting pipe and the second positioning block is equal to the thickness of the gas-electricity combination pipe.

3. The anti-kink structure of the gas-electric combination hose for a vacuum cleaner according to claim 1, characterized in that: The first positioning block and the second positioning block are staggered along the circumferential direction and the axial direction of the connecting pipe, and the conductive pipe in the gas-electricity combination pipe is located between the first positioning block and the second positioning block.

4. The anti-kink structure of the gas-electric combination hose for a vacuum cleaner according to claim 1, characterized in that: The gas-electricity combination pipe is provided with an elastic closing ring between the first positioning block and the second positioning block.

5. The anti-kink structure of the gas-electric combination hose for a vacuum cleaner according to claim 1, characterized in that: The side surface of the positioning tube is provided with arc-shaped reinforcing ribs extending along the circumference of the connecting tube.

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