Cleaner head for vacuum cleaner

Abstract

The cleaner head comprises a cleaner head body, the cleaner head body is fixed to the left side of a negative pressure end, the negative pressure end is installed at the end of a dust collector shell, and meanwhile a handle is fixedly arranged on the dust collector shell. The cleaner head comprises a cleaning opening, the cleaning opening is formed in the side wall of the bottom of the cleaner head, an air suction cylinder is fixedly installed in the cleaner head, the end of the air suction cylinder is fixed to an air inlet cylinder, and the end, away from the air suction cylinder, of the air inlet cylinder is fixed to a grid cylinder in a threaded connection mode. According to the cleaner head for the vacuum dust collector, when dust collection work is completed, the end of the cleaner head needs to be arranged above a garbage can at the moment, impurities in an air suction cylinder and an air inlet cylinder are guided out, large-size impurities are prevented from entering a dust box, the cleaning frequency of the dust box is reduced, and the cleaning efficiency is improved. And meanwhile, large-size sundries in the dust collector can be conveniently and quickly taken out.

Description

Technical Field

[0001] The utility model relates to the field of vacuum cleaners, in particular to a cleaner head for a vacuum cleaner. Background Art

[0002] A vacuum cleaner generally comprises a main body housing a dust separation device, a cleaner head connected to the main body and having an opening, and a motor-driven fan unit for drawing dust-laden air into the main body through the opening and the cleaner head; the opening is directed downwardly toward the floor surface to be cleaned; the dust-laden air is conveyed to the separation device so that dust can be separated from the air before the air is discharged into the atmosphere; the separation device may comprise one or more of a filter, a filter bag, and a cyclone device; handheld vacuum cleaners are purchased and used by a large number of households because they are simple and convenient to use;

[0003] Regarding the patent of the handheld vacuum cleaner, the Chinese patent with the authorization publication number CN110337255A discloses a handheld vacuum cleaner; the article includes that when the cyclone separator assembly 26 is coupled to the main body 22, the inlet nozzle 42 is positioned at the front 50 of the handheld vacuum cleaner 10; in the illustrated embodiment, the dirty air inlet 14 includes an inlet hole 226 formed in the inlet nozzle 42;

[0004] Under the action of vacuum, although dirty air can enter from the inlet hole 226 at the cleaning head of the vacuum cleaner, large-sized waste impurities in the dust box also enter the dust box of the vacuum cleaner, causing the dust box to be filled up quickly, directly increasing the number of times the dust box needs to be disassembled and cleaned, and increasing the workload of the user. Utility Model Content

[0005] The purpose of the utility model is to provide a cleaner head for a vacuum cleaner to solve the defects mentioned in the above background technology.

[0006] To achieve the above object, a cleaner head for a vacuum cleaner is provided, comprising a cleaner head, wherein the cleaner head is fixed to the left side of a negative pressure end, and the negative pressure end is mounted on the end of a cleaner housing, and a handle is fixedly arranged on the cleaner housing;

[0007] The cleaner head includes a cleaning port, and the cleaning port is opened on the side wall of the bottom of the cleaner head. At the same time, an air suction cylinder is fixedly installed inside the cleaner head, and the end of the air suction cylinder is fixed to the air inlet cylinder, and the end of the air inlet cylinder away from the air suction cylinder is screwed and fixed to the grid cylinder; four groups of limit blocks are evenly arranged at circumferential positions on the outer side of the bottom of the grid cylinder, and the distance between two adjacent groups of limit blocks is consistent; four groups of installation areas are evenly opened on the outer side of the cleaning port, and light-emitting diodes are bonded and fixed inside the four groups of installation areas, and the height of the light-emitting diode is less than the depth of the installation area, and the light-emitting diode is powered by the power supply inside the vacuum cleaner.

[0008] Preferably, the air inlet cylinder and the air suction cylinder are connected to each other, and the volume of the air inlet cylinder is greater than the volume of the air suction cylinder.

[0009] Preferably, one end of the air suction cylinder away from the air inlet cylinder covers the outside of the cleaning port, and the air suction cylinder away from the air inlet cylinder is in a conical shape.

[0010] Preferably, a positioning groove is provided at the connection between the end of the cleaner head and the negative pressure end, and the positioning groove is adapted to the size of the end of the negative pressure end. At the same time, the end of the negative pressure end is inserted into the inside of the positioning groove. The positioning groove is opened on the outer surface of the positioning seat, and the end of the positioning seat is fixedly connected to the cleaner head.

[0011] Preferably, the end of the air inlet cylinder is fixed to the connecting seat, and four groups of limiting grooves are evenly opened on the inner wall of the connecting seat, and the sizes of the limiting grooves and the limiting blocks are adapted to each other.

[0012] Preferably, the limit block is inserted into the limit groove, and the limit groove and the limit block are both isosceles trapezoidal in cross section, and the air inlet cylinder and the grid cylinder are positioned and installed by the limit groove and the limit block.

[0013] Preferably, a screw hole is provided at the bottom of the limiting groove, and a through hole is installed on the limiting block, and a long screw is inserted into the limiting block, and the long screw passes through the through hole and is screwed and fixed inside the screw hole.

[0014] Preferably, the air suction cylinder and the air inlet cylinder are both arranged at an angle, and the narrower ends of the air suction cylinder and the air inlet cylinder are connected together.

[0015] Preferably, the surfaces of the negative pressure end and the cleaner head are arranged horizontally, and the outer surfaces of the negative pressure end and the cleaner head are arranged in a streamlined shape.

[0016] Preferably, the cross section of the grid cylinder is "U"-shaped, and the grid cylinder is a detachable structure inside the cleaner head.

[0017] Compared with the prior art, the beneficial effect of the utility model is that large-sized debris, such as cigarette butts, will enter the interior of the suction cylinder and the air inlet cylinder through the cleaning port, and finally stay inside the air inlet cylinder under the isolation effect of the mesh cylinder. When the vacuuming work is completed, the head end of the cleaner needs to be set above the trash can to guide the debris inside the suction cylinder and the air inlet cylinder out. The dust will enter the dust box inside the vacuum cleaner, avoiding large-sized debris from entering the dust box, reducing the number of cleaning times of the dust box, and also facilitating the quick removal of large-sized debris inside the vacuum cleaner, reducing the workload of users. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1This is a schematic diagram of the front view of the structure of the utility model;

[0019] Figure 2 The utility model structure Figure 1 A schematic top view of

[0020] Figure 3 This is a schematic diagram of the structure of the cleaner head of the utility model;

[0021] Figure 4 This is a schematic diagram of the cross-sectional structure of the cleaning head of the utility model;

[0022] Figure 5 The utility model structure Figure 3 Exploded diagram of

[0023] Figure 6 The utility model structure Figure 3 AA section structure schematic diagram in;

[0024] Figure 7 This is a schematic diagram of the installation structure of the light emitting diode structure of the utility model.

[0025] Numbers in the figure: 1. Vacuum cleaner housing; 2. Handle; 3. Negative pressure end; 4. Cleaner head; 41. Cleaning port; 411. Light-emitting diode; 412. Installation area; 42. Air suction cylinder; 43. Air inlet cylinder; 44. Connecting seat; 45. Positioning seat; 46. Positioning groove; 47. Limit block; 48. Limit groove; 49. Grid tube; 50. Long screw. DETAILED DESCRIPTION

[0026] See also Figure 1-7 The utility model provides a cleaner head for a vacuum cleaner, including a cleaner head 4, the cleaner head 4 is fixed to the left side of a negative pressure end 3, and the negative pressure end 3 is installed at the end of a vacuum cleaner housing 1, and a handle 2 is fixedly arranged on the vacuum cleaner housing 1;

[0027] The cleaner head 4 includes a cleaning port 41, and the cleaning port 41 is opened on the side wall of the bottom of the cleaner head 4. At the same time, an air suction cylinder 42 is fixedly installed inside the cleaner head 4, and the end of the air suction cylinder 42 is fixed to the air inlet cylinder 43, and the end of the air inlet cylinder 43 away from the air suction cylinder 42 is screwed and fixed to the grid cylinder 49; four groups of limit blocks 47 are evenly arranged at the circumferential position of the outer side of the bottom of the grid cylinder 49, and the distance between two adjacent groups of limit blocks 47 is consistent; four groups of installation areas 412 are evenly opened on the outside of the cleaning port 41, and the inside of the four groups of installation areas 412 are all bonded and fixed with light-emitting diodes 411, and the height of the light-emitting diode 411 is less than the depth of the installation area 412, and the light-emitting diode 411 is powered by the power supply inside the vacuum cleaner.

[0028] Working principle: When in use, hold the handle 2 and start the switch, the inside of the vacuum cleaner is covered, and the cleaning port 41 is covered at the position where vacuuming is required to be performed, and vacuuming is performed;

[0029] During the vacuuming process, large debris, such as cigarette butts, will enter the interior of the suction cylinder 42 and the air intake cylinder 43 through the cleaning port 41, and finally stay in the interior of the air intake cylinder 43 under the isolation effect of the mesh cylinder 49. When the vacuuming work is completed, it is necessary to set the end of the cleaner head 4 above the trash can to guide the debris inside the suction cylinder 42 and the air intake cylinder 43 out. The dust will enter the dust box inside the vacuum cleaner, preventing large debris from entering the dust box, reducing the number of cleaning times of the dust box, and also facilitating the rapid removal of large debris inside the vacuum cleaner.

[0030] As a preferred embodiment, the air inlet cylinder 43 and the air suction cylinder 42 are connected to each other, and the volume of the air inlet cylinder 43 is greater than the volume of the air suction cylinder 42.

[0031] like Figure 3-4 As shown: the air inlet cylinder 43 and the air suction cylinder 42 are connected, and the connection position between the air inlet cylinder 43 and the air suction cylinder 42 is narrow. When negative pressure is formed inside the air inlet cylinder 43 and the air suction cylinder 42, and there are large-sized debris inside the air inlet cylinder 43, the debris is not easy to separate from the inside of the self-cleaning port 41.

[0032] As a preferred embodiment, one end of the air suction cylinder 42 away from the air inlet cylinder 43 covers the outside of the cleaning port 41, and the air suction cylinder 42 away from the air inlet cylinder 43 is conical.

[0033] A positioning groove 46 is provided at the connection between the end of the cleaner head 4 and the negative pressure end 3, and the positioning groove 46 is adapted to the size of the end of the negative pressure end 3, and the end of the negative pressure end 3 is inserted into the inside of the positioning groove 46. The positioning groove 46 is opened on the outer surface of the positioning seat 45, and the end of the positioning seat 45 is fixedly connected to the cleaner head 4.

[0034] like Figure 3-6 As shown: the air suction cylinder 42 is set in a conical shape away from the air inlet cylinder 43. The air suction cylinder 42 is far away from the air inlet cylinder 43 and is combined together to form a Venturi tube, which increases the flow rate of the gas inside the pipeline and can achieve the purpose of increasing the air volume of the vacuum cleaner.

[0035] As a preferred embodiment, the end of the air inlet cylinder 43 is fixed to the connecting seat 44, and four groups of limiting grooves 48 are evenly opened on the inner wall of the connecting seat 44, and the sizes of the limiting grooves 48 and the limiting blocks 47 are adapted to each other.

[0036] The limiting block 47 is inserted into the limiting groove 48 , and the sections of the limiting groove 48 and the limiting block 47 are both isosceles trapezoidal. At the same time, the air intake cylinder 43 and the grid cylinder 49 are positioned and installed by the limiting groove 48 and the limiting block 47 .

[0037] A screw hole is provided at the bottom of the limiting groove 48 , and a through hole is installed on the limiting block 47 . Meanwhile, a long screw 50 is inserted into the limiting block 47 , and the long screw 50 passes through the through hole and is screwed and fixed inside the screw hole.

[0038] The air inlet cylinder 43 and the grid cylinder 49 are positioned and installed by the limiting groove 48 and the limiting block 47. After the grid cylinder 49 is disassembled, the dust on it can be cleaned;

[0039] The long screw 50 passes through the through hole and is screwed and fixed inside the screw hole, so that the grid tube 49 will not loosen during operation.

[0040] As a preferred embodiment, the air suction cylinder 42 and the air inlet cylinder 43 are both arranged at an angle, and the narrower ends of the air suction cylinder 42 and the air inlet cylinder 43 are connected together.

[0041] As a preferred embodiment, the surfaces of the negative pressure end 3 and the cleaner head 4 are arranged horizontally, and the outer surfaces of the negative pressure end 3 and the cleaner head 4 are arranged in a streamlined shape.

[0042] The outer surfaces of the negative pressure end 3 and the cleaner head 4 are streamlined, and the connection between the negative pressure end 3 and the cleaner head 4 is flat, so that the whole vacuum cleaner is beautiful and practical;

[0043] The working mode of the vacuum cleaner is as follows: the motor generates suction, sucking in air, dust, debris, etc. through the cleaner head 4; the air is discharged after being filtered, and the dust and impurities are trapped inside the dust box;

[0044] As a preferred embodiment, the cross section of the grid tube 49 is “U”-shaped, and the grid tube 49 is a detachable structure inside the cleaner head 4 .

[0045] like Figure 7As shown: four groups of installation areas 412 are evenly opened on the outside of the cleaning port 41, and the height of the light-emitting diode 411 is less than the depth of the installation area 412; when the cleaning port 41 is in contact with the bottom surface, the light-emitting diode 411 will not generate friction with the ground, thereby protecting the light-emitting diode 411; when the device is in use, the four groups of light-emitting diodes 411 at the cleaning port 41 emit blue light and shine on the ground; dirt on the surface area to be cleaned can be seen clearly, allowing the user to see the dirt more clearly when cleaning the surface to be cleaned, the user's visual experience is softer, it can protect the user's eyesight, and compared with light-emitting diodes, it can also reduce lighting power consumption; the light-emitting diode 411 is a square 234 borderless transparent short-legged diode that can emit blue light and is produced by Shaoxing Suozhi Optoelectronics Technology Co., Ltd., and can be purchased directly on the market.

Claims

1. A cleaner head for a vacuum cleaner, comprising a cleaner head (4), characterized in that: The cleaner head (4) is fixed to the left side of the negative pressure end (3), and the negative pressure end (3) is installed at the end of the vacuum cleaner housing (1), and a handle (2) is fixedly arranged on the vacuum cleaner housing (1); The cleaner head (4) comprises a cleaning port (41), and the cleaning port (41) is provided on the side wall of the bottom of the cleaner head (4); an air suction cylinder (42) is fixedly installed inside the cleaner head (4); the end of the air suction cylinder (42) is fixed to an air inlet cylinder (43), and the end of the air inlet cylinder (43) away from the air suction cylinder (42) is screwed and fixed to a grid cylinder (49); four groups of limit blocks (47) are evenly arranged at circumferential positions on the outer side of the bottom of the grid cylinder (49), and the distance between two adjacent groups of limit blocks (47) is consistent; four groups of installation areas (412) are evenly provided on the outer side of the cleaning port (41), and light-emitting diodes (411) are bonded and fixed inside the four groups of installation areas (412); the height of the light-emitting diodes (411) is less than the depth of the installation areas (412), and the light-emitting diodes (411) are powered by a power supply inside the vacuum cleaner.

2. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: The air inlet cylinder (43) and the air suction cylinder (42) are connected to each other, and the volume of the air inlet cylinder (43) is greater than the volume of the air suction cylinder (42).

3. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: One end of the air suction cylinder (42) away from the air inlet cylinder (43) covers the outside of the cleaning port (41), and the air suction cylinder (42) away from the air inlet cylinder (43) is arranged in a conical shape.

4. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: A positioning groove (46) is provided at the connection between the end of the cleaner head (4) and the negative pressure end (3), and the positioning groove (46) is adapted to the size of the end of the negative pressure end (3), and the end of the negative pressure end (3) is inserted into the inside of the positioning groove (46), the positioning groove (46) is provided on the outer surface of the positioning seat (45), and the end of the positioning seat (45) is fixedly connected to the cleaner head (4).

5. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: The end of the air inlet cylinder (43) is fixed to the connecting seat (44), and four groups of limiting grooves (48) are evenly arranged on the inner wall of the connecting seat (44), and the sizes of the limiting grooves (48) and the limiting blocks (47) are matched.

6. A cleaner head for a vacuum cleaner according to claim 5, characterized in that: The limiting block (47) is inserted into the limiting groove (48), and the limiting groove (48) and the limiting block (47) are both isosceles trapezoidal in cross-section. At the same time, the air intake cylinder (43) and the grid cylinder (49) are positioned and installed through the limiting groove (48) and the limiting block (47).

7. A cleaner head for a vacuum cleaner according to claim 6, characterized in that: A screw connection hole is provided at the bottom of the limiting groove (48), and a through hole is installed on the limiting block (47). Meanwhile, a long screw (50) is inserted into the inside of the limiting block (47), and the long screw (50) passes through the through hole and is screwed and fixed inside the screw connection hole.

8. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: The air suction cylinder (42) and the air inlet cylinder (43) are both arranged obliquely, and the narrower ends of the air suction cylinder (42) and the air inlet cylinder (43) are connected together.

9. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: The surfaces of the negative pressure end (3) and the cleaner head (4) are arranged horizontally, and the outer surfaces of the negative pressure end (3) and the cleaner head (4) are arranged in a streamlined shape.

10. A cleaner head for a vacuum cleaner according to claim 1, characterized in that: The cross section of the grid cylinder (49) is arranged in a "U" shape, and the grid cylinder (49) is a detachable structure inside the cleaner head (4).

Images