Dust collector conductive tube assembly convenient to adjust

Abstract

The utility model relates to the technical field of conductive tubes, in particular to a dust collector conductive tube assembly convenient to adjust, which comprises a hollow outer tube and an inner tube movably sleeved in the outer tube, a limit groove is arranged in the outer tube, and a limit flange corresponding to the limit groove is integrally connected onto the inner tube. The inner pipe is provided with an opening and closing device used for limiting the inner pipe to stretch out and draw back, and the inner pipe is provided with a sealing device which corresponds to the outer pipe and is used for retracting and sealing. The two hollow conductive tubes with different calibers are arranged, so that the conductive tubes are stretched out and drawn back, the sliding block is driven by the reset spring, the opening and closing of the opening and closing plate piece is achieved, stretching-out and drawing-back limiting of the outer tube and the inner tube is achieved through opening and closing of the opening and closing plate piece, and the stretching-out and drawing-back effect is good. The buckle mechanism is arranged on the outer pipe, so that the inner pipe and the outer pipe are reset and fixed after stretching out and drawing back, and the limiting cylinder driven by the limiting spring is arranged on the outer pipe, so that the fixing and limiting effects are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to conductive pipe technical field especially, relates to a dust collector conductive pipe subassembly convenient to adjust. BACKGROUND

[0002] The handheld dust collector comprises a dust collector main body, a dust suction head and a dust suction pipe connected with the dust suction head and the dust collector main body, wherein a conductive assembly is arranged in the dust suction pipe, and the conductive assembly is controlled by the dust collector main body to guide power to the dust suction head, so that the dust suction head starts to work.

[0003] Most of the conductive pipes of the dust suction pipe on the market adopt the whole section structure, and the size length is greater than the length or width of the dust collector main body and the dust suction head, which is very inconvenient in daily use and idle storage, cannot be adjusted in extension, greatly occupies the space of the family, meanwhile, the whole section structure brings great inconvenience in packaging during the process of sales and transportation, not only occupies the excess transportation space, but also increases the possibility of damage during the transportation process. UTILITY MODEL CONTENT

[0004] The utility model provides a dust collector conductive pipe subassembly convenient to adjust to solve the problem of too much trouble and time and labor in the extension process of the dust collector conductive pipe subassembly in the prior art.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A dust collector conductive pipe subassembly convenient to adjust, comprising an outer pipe with an internal cavity and an inner pipe movably sleeved in the outer pipe, characterized in that a limiting groove is formed in the outer pipe, and a limiting flange corresponding to the limiting groove is integrally connected to the inner pipe, an opening and closing device for limiting the extension and contraction of the inner pipe is arranged on the inner pipe, and a sealing device corresponding to the outer pipe and used for retraction sealing is arranged on the inner pipe.

[0007] Preferably, the opening and closing device comprises a vertical groove formed in the inner pipe, a sliding groove is formed in the vertical groove, a return spring is fixedly installed in the sliding groove, a sliding block fixedly connected with the return spring is arranged in the sliding groove, a clamping plate is rotatably installed in the vertical groove, a protrusion is fixedly installed at the end of the clamping plate, a connecting rod is arranged between the clamping plate and the sliding block, and the opening and closing device comprises a buckle mechanism fixedly installed on the outer pipe.

[0008] Preferably, one end of the connecting rod is rotatably connected with the clamping plate, and the other end of the connecting rod is rotatably connected with the sliding block.

[0009] Preferably, the buckle mechanism comprises a bearing fixedly installed on the outer tube, a limiting spring fixedly installed on the bearing, and a buckle with one end fixedly installed on the limiting spring and the other end fixedly installed with a limiting cylinder.

[0010] Preferably, the inner tube is sleeved on the outer tube, and the inner tube is provided with a limiting circular hole corresponding to the limiting cylinder.

[0011] Preferably, the sealing device comprises a screw thread formed on the inner tube, and a screw cap rotatably installed on the inner tube and provided with a sealing flange corresponding to the clamping plate.

[0012] Compared with the prior art, the utility model has the following advantages:

[0013] 1. The utility model discloses a hollow conductive pipe with two different diameters, which realizes the expansion and contraction of the conductive pipe, utilizes the recess formed on the inner tube, and simultaneously sets the sliding block and the reset spring in the recess, utilizes the reset spring to drive the sliding block, thereby realizing the opening and closing of the clamping plate, and realizes the expansion and contraction limiting of the outer tube and the inner tube through the opening and closing of the clamping plate.

[0014] 2. The utility model discloses a buckle mechanism on the outer tube, which realizes the reset fixing of the inner and outer tubes after expansion and contraction, utilizes the limiting cylinder driven by the limiting spring on the outer tube, simultaneously sets the corresponding hole in the inner tube, realizes the fixed connection of the inner tube and the outer tube, and reaches the fixed limiting effect. DRAWINGS

[0015] Figure 1 A structure schematic view of the dust collector conductive pipe assembly convenient to adjust is provided for the utility model;

[0016] Figure 2 A sectional structure schematic view of the dust collector conductive pipe assembly convenient to adjust is provided for the utility model;

[0017] Figure 3 A sectional structure schematic view of the dust collector conductive pipe assembly convenient to adjust is provided for the utility model;

[0018] Figure 4 An A part structure enlarged schematic view of the dust collector conductive pipe assembly convenient to adjust is provided for the utility model;

[0019] Figure 5 A B part structure enlarged schematic view of the dust collector conductive pipe assembly convenient to adjust is provided for the utility model;

[0020] Figure 6 A sectional structure schematic view of the dust collector conductive pipe assembly convenient to adjust is provided for the utility model;

[0021] Figure 7 Part C structure of the dust collector conductive pipe assembly convenient to adjust is enlarged and shows a schematic diagram.

[0022] In the figure: 1, outer tube; 2, inner tube; 3, limiting groove; 4, limiting flange; 5, vertical groove; 6, sliding groove; 7, sliding block; 8, reset spring; 9, opening and closing plate; 10, protruding block; 11, connecting rod; 12, screw; 13, screw cap; 14, sealing flange; 15, bearing platform; 16, limiting spring; 17, buckle; 18, limiting cylinder; 19, limiting circular hole. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0024] Referring to Figures 1-7 A dust collector conductive pipe assembly convenient to adjust comprises an outer tube 1 which is internally hollow, and an inner tube 2 which is movably sleeved in the outer tube 1, the outer tube 1 is symmetrically provided with limiting grooves 3 on both sides of the outer tube, and the inner tube 2 is integrally connected with limiting flanges 4 corresponding to the limiting grooves 3, and the limiting flanges 4 are slidably sleeved in the limiting grooves 3.

[0025] The inner tube 2 is provided with an opening and closing device for limiting the extension and retraction of the inner tube 2 and the outer tube 1, the opening and closing device comprises vertical grooves 5 which are symmetrically designed on both sides of the inner tube 2, and a strip-shaped sliding groove 6 is formed in the vertical grooves 5, a reset spring 8 is fixedly installed in the sliding groove 6, a sliding block 7 which is fixedly connected with the reset spring 8 is arranged in the sliding groove 6, one end of the reset spring 8 is fixedly connected with the side wall of the sliding groove 6, and the other end is fixedly connected with the sliding block 7, an opening and closing plate 9 is rotatably installed in the vertical groove 5, and a protruding block 10 is fixedly installed at the end of the opening and closing plate 9.

[0026] When the opening and closing plate 9 rotates, the protruding block 10 also rotates, a connecting rod 11 is arranged between the opening and closing plate 9 and the sliding block 7, one end of the connecting rod 11 is rotatably connected with the opening and closing plate 9, and the other end is rotatably connected with the sliding block 7, when the reset spring 8 pushes the sliding block 7 to slide in the sliding groove 6, the connecting rod 11 will be driven to move, the movement of the connecting rod 11 will in turn drive the opening and closing plate 9 to rotate, and the opening and closing device comprises a buckle mechanism which is fixedly installed on the outer tube 1.

[0027] The buckle mechanism comprises a bearing platform 15 in strip shape fixedly installed on the outer tube 1, a groove is formed in the bearing platform 15, a limiting spring 16 is fixedly installed in the groove of the bearing platform 15, a buckle 17 fixedly connected with the limiting spring 16 is rotatably installed on the bearing platform 15, when one end of the buckle 17 fixedly connected with the limiting spring 16 is pressed, the other end will be lifted under the action of the lever, a limiting cylinder 18 is fixedly installed on the end of the buckle 17, when the one end of the buckle 17 is lifted, the limiting cylinder 18 will be lifted, the inner tube 2 is slidingly sleeved in the outer tube 1, and the inner tube 2 is provided with a limiting circular hole 19 corresponding to the limiting cylinder 18, when the sliding sleeving is completed, the limiting cylinder 18 enters the limiting circular hole 19, thereby limiting.

[0028] The inner tube 2 is provided with a sealing device corresponding to the outer tube 1 and used for retraction sealing, the sealing device comprises a screw thread 12 formed on the inner tube 2, and a threaded cover 13 rotatably installed on the inner tube 2, the threaded cover 13 is rotatably installed on the screw thread 12 on the surface of the inner tube 2, and the threaded cover 13 is provided with a sealing flange 14 corresponding to the clamping plate 9, when the clamping plate 9 is unfolded, the threaded cover 13 can be screwed to be slidingly sleeved on the clamping plate 9 to realize sealing, and when the conductive pipe is retracted, the threaded cover 13 can also be rotated to make the sealing flange 14 enter the gap between the outer tube 1 and the inner tube 2 to realize closing.

[0029] It should be noted that the specific model and specification of the outer tube 1 and the inner tube 2 are determined according to the actual specification of the device, and the specific selection calculation method adopts the existing technology in the art, so it is not described here.

[0030] The function principle of the dust collector conductive pipe can be described by the following operation mode:

[0031] When the dust collector conductive pipe needs to be extended, the threaded cover 13 is screwed, so that the sealing flange 14 on the threaded cover 13 is loose with the outer tube 1, the inner tube 2 is pulled upwards, so that the inner tube 2 and the outer tube 1 slide, after sliding to a certain position, the reset spring 8 pushes the sliding block 7 to slide, the sliding block 7 drives the clamping plate 9 to open through the connecting rod 11, so that the protrusion 10 and the outer tube 1 form a buckle, and the extension of the inner tube 2 is limited;

[0032] At the same time, the outer tube 1 is provided with the limiting cylinder 18 limiting the retraction of the inner tube 2, when the extension is completed, the limiting cylinder 18 is stretched into the limiting circular hole 19 on the inner tube 2 under the action of the limiting spring 16, so as to prevent the inner tube 2 from retracting in the process of use, thereby realizing the extension of the dust collector conductive pipe.

[0033] When the dust collector electrically conductive pipe needs to be retracted, the buckle 17 arranged on the outer pipe 1 is pressed, the limiting cylinder 18 is pulled out from the limiting circular hole 19 on the inner pipe 2 through the buckle 17, the inner pipe 2 is pushed, and thus the inner pipe 2 is retracted.

[0034] The above merely describes a preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any skilled person in the art, according to the technical scheme and the inventive concept of the present application, can make equivalent replacement or change within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A vacuum cleaner conductive tube assembly that is easy to adjust, comprising an outer tube (1) with a hollow interior, and an inner tube (2) that is movably sleeved within the outer tube (1), characterized in that: A limiting groove (3) is provided in the outer tube (1), and a limiting flange (4) corresponding to the limiting groove (3) is integrally connected to the inner tube (2); an opening and closing device for limiting the extension and contraction of the inner tube (2) is provided on the inner tube (2); and a sealing device corresponding to the outer tube (1) and used for retraction and sealing is provided on the inner tube (2).

2. The easily adjustable conductive tube assembly for a vacuum cleaner according to claim 1, characterized in that: The opening and closing device comprises a vertical groove (5) formed on the inner tube (2), a sliding groove (6) formed in the vertical groove (5), a return spring (8) fixedly installed in the sliding groove (6), a sliding block (7) fixedly connected to the return spring (8) provided in the sliding groove (6), a tensioning plate (9) rotatably installed in the vertical groove (5), a protrusion (10) fixedly installed at the end of the tensioning plate (9), a connecting rod (11) provided between the tensioning plate (9) and the sliding block (7), and the opening and closing device comprises a snap mechanism fixedly installed on the outer tube (1).

3. The easily adjustable conductive tube assembly for a vacuum cleaner according to claim 2, characterized in that: One end of the connecting rod (11) is rotatably connected to the opening and closing plate (9), and the other end of the connecting rod (11) is rotatably connected to the sliding block (7).

4. The easily adjustable conductive tube assembly for a vacuum cleaner according to claim 2, characterized in that: The snap mechanism comprises a support (15) fixedly mounted on the outer tube (1), a limit spring (16) fixedly mounted on the support (15), a fastener (17) fixedly connected to the limit spring (16) rotatably mounted on the support (15), and a limit cylinder (18) fixedly mounted on the end of the fastener (17).

5. The easily adjustable conductive tube assembly for a vacuum cleaner according to claim 4, characterized in that: The inner tube (2) is slidably mounted inside the outer tube (1), and a limiting circular hole (19) corresponding to the limiting cylinder (18) is provided on the inner tube (2).

6. The easily adjustable conductive tube assembly for a vacuum cleaner according to claim 1, characterized in that: The sealing device comprises a thread (12) provided on the inner tube (2), a threaded cover (13) is rotatably mounted on the inner tube (2), and a sealing flange (14) corresponding to the opening and closing plate (9) is provided on the threaded cover (13).

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