Dust scraping mechanism of dust collector and handheld dust collector

Abstract

The utility model belongs to the technical field of dust collectors, and particularly relates to a dust scraping mechanism of a dust collector, which is positioned in a dust cup of the dust collector, a filter component is arranged in the dust cup, an air outlet end of the filter component is connected with a motor, and a filter screen is arranged on the periphery of the filter component. The ash scraping mechanism is provided with an ash scraping ring axially moving along the surface of the filter screen, and the ash scraping mechanism further comprises a driving mechanism for driving the ash scraping ring to axially move; the arc-shaped push plate is arranged corresponding to the outer arc surface of the motor and can move in a reciprocating mode, the pull ring is arranged above the motor, the matching compactness of the motor, the push plate and the pull ring is improved, mutual interference is avoided, and the overall size of the dust collector is reduced. The reset spring is arranged in the driving mechanism composed of the push rod, the pull rod and the gear set, the driving mechanism drives the dust scraping ring to conduct dust scraping action on the filter screen after manual action, automatic reset is achieved through the reset spring after hand loosening, and the stability of the dust scraping mechanism in the dust collector is improved through the reset spring.

Description

TECHNICAL FIELD

[0001] The utility model belongs to dust collector technical field, concretely relates to a dust collector scraping mechanism and handheld dust collector. BACKGROUND

[0002] Dust collector can be divided into vertical, horizontal and portable according to structure. The working principle of dust collector is that dust is sucked by using motor to drive blade high-speed rotation to produce air negative pressure in sealed shell. Dust collector is mainly divided into three kinds of household dust collector, commercial dust collector and industrial dust collector, and the dust sucked needs to be cleaned quickly when using dust collector;

[0003] According to the check publication (announcement) number: CN220608233U, a dust scraping and removing device for dust collector is disclosed, which discloses the technical scheme of "including device main body, the device main body front end is equipped with connecting rod, and the connecting rod one end is equipped with push rod, the push rod one end is connected with transmission shaft", through the connecting rod, transmission shaft, metal net, scraping ring, the scraping ring installed in the device can move up and down on the surface of the metal net in the device when the device is used, the dust adsorbed on the surface of the metal net can be cleaned quickly, the cleaning efficiency of the device is improved, the first movable rod and the second movable rod are clamped by the inner ring gear and the outer ring gear installed in the device, the use continuity of the device is improved when the device is used, and the stability of the overall use of the device is improved";

[0004] Firstly, the "connecting rod" and the "scraping ring" in the device are coaxial, and the "push rod" is perpendicular to the "device main body". During the scraping process, the "connecting rod" and the "push rod" need to have enough reciprocating space. However, in general dust collector, the filter screen rear end is usually connected with a motor, which makes it difficult for the "connecting rod" and the "push rod" to be compactly matched with the motor. Due to the need to provide space for the two components, the overall structure of the device occupies more space, resulting in the increase of the volume of the dust collector;

[0005] Secondly, the dust scraping and removing device cannot be automatically and stably reset when not in use. Since the overall structure is not limited, the dust scraping and removing device will move inside the dust collector following the action of the dust collector when in use, the support between the structures is poor, and the use experience is affected;

[0006] Finally, the separate "scraping ring" is tightly attached to the "filter screen", and when the "scraping ring" slides axially outside the "filter screen", it will generate a large friction and wear, affecting the service life, and will also generate a large noise, affecting the user experience;

[0007] To solve the above problems, a dust collector scraping mechanism and a handheld dust collector are provided in the present application. UTILITY MODEL CONTENT

[0008] In order to solve the above problems in the prior art, the utility model provides a dust scraper mechanism of dust collector, has the characteristics of improving compactness, reducing the volume of dust collector.

[0009] In order to achieve the above object, the utility model provides the following technical scheme: a dust scraper mechanism of dust collector is located in the dust cup of the body, the dust cup is internally provided with a filter assembly, the air outlet end of the filter assembly is connected with a motor, the filter assembly is provided with a filter screen around the periphery, the dust scraper mechanism is formed with a dust scraping ring moving axially along the surface of the filter screen, the dust scraper mechanism further includes a driving mechanism for driving the axial movement of the dust scraping ring, the driving mechanism includes a push rod, a pull rod and a gear set, the push rod is provided with a push plate vertically distributed with the filter screen, the push plate is fixedly connected with the dust scraping ring through a metal rod, the push rod is further formed with a driven gear plate vertically distributed with the push plate, the pull rod is formed with a driving gear plate parallel with the driven gear plate, the pull rod is further formed with a pull ring located outside the dust cup for driving, the gear set includes a driving gear and a driven gear coaxially arranged, the driving gear is engaged with the driving gear plate, the driven gear is engaged with the driven gear plate, the driving gear plate and the driven gear plate are located at upper and lower positions respectively and the movement directions thereof are opposite, the push plate is semicircular arc-shaped, and the push plate does not interfere with the motor when moving axially.

[0010] As a preferred technical scheme of the utility model, the dust cup is formed with an air inlet pipe intercommunicating with the dust cup above, the air inlet pipe is externally sleeved with a connecting pipe, and a return spring is connected between the air inlet pipe and the pull ring.

[0011] As a preferred technical scheme of the utility model, the metal rod includes two rods and is symmetrically arranged, the inner wall of the dust cup is correspondingly provided with a guide groove, and the metal rod penetrates and slides in the guide groove under the driving of the push plate.

[0012] As a preferred technical scheme of the utility model, the dust scraping ring is further provided with a dust scraping ring, and the material of the dust scraping ring is rubber.

[0013] As a preferred technical scheme of the utility model, the pull ring is located above the motor.

[0014] The utility model further provides a hand -held dust collector, including body and dust cup, the dust cup is located at the front side of the body, the front end of the body is built -in motor, the motor is at least partial in dust cup, the rear end of the body forms a base, the base is built -in battery package, the dust cup and base are connected with handle, further include preceding and following dust scraper mechanism of dust collector.

[0015] Compared with the prior art, the utility model has the beneficial effects that:

[0016] The arc-shaped push plate is arranged on the outer arc surface of the motor and can reciprocate, and the pull ring is arranged above the motor, so that the compactness of the motor, the push plate and the pull ring is improved, and interference between them is avoided, thereby reducing the overall size of the dust collector;

[0017] The reset spring is arranged in the driving mechanism composed of the push rod, the pull rod and the gear set, the driving mechanism drives the dust scraping ring to scrape dust on the filter screen after manual operation, and the dust scraping ring is automatically reset after the hand is released, so that the dust scraping mechanism is improved in stability in the dust collector.

[0018] The dust scraping ring is arranged at the front end of the dust scraping ring, and the dust scraping ring is made of rubber, so that the length of the dust scraping ring can be reduced during use, and the dust scraping ring can reduce friction and wear and reduce noise while ensuring the dust scraping effect, thereby improving the user experience. BRIEF DESCRIPTION OF DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used together with embodiments of the present application to explain the present application, and do not constitute a limitation on the present application. In the drawings:

[0020] Figure 1 It is a structural schematic view of the present application;

[0021] Figure 2 It is a structural schematic view of the dust scraping part in the present application;

[0022] Figure 3 It is Figure 2 a structural schematic view of the dust scraping part in the present application;

[0023] Figure 4 It is Figure 2 a structural schematic view of the dust scraping part in the present application;

[0024] Figure 5 It is a structural schematic view of the dust scraping part in the present application;

[0025] Figure 6 It is Figure 5 a structural schematic view of the dust scraping part in the present application;

[0026] In the drawings: 1, body; 11, dust cup; 111, guide groove; 12, motor; 13, handle; 14, connecting pipe; 15, air inlet pipe; 16, base; 17, battery pack; 2, push rod; 21, driven tooth plate; 22, push plate; 3, dust scraping ring; 4, dust scraping ring; 5, metal rod; 6, gear set; 61, driving gear; 62, driven gear; 7, filter assembly; 71, filter screen; 8, pull rod; 81, driving tooth plate; 82, pull ring; 9, reset spring. DETAILED DESCRIPTION

[0027] 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. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model. Embodiment

[0028] Please refer to Figures 1-6 The utility model provides the following technical scheme: a dust scraper mechanism of a dust collector is located in a dust cup 11 of a body 1, a filter assembly 7 is arranged inside the dust cup, the air outlet end of the filter assembly 7 is connected with a motor 12, a filter screen 71 is arranged around the filter assembly 7, the dust scraper mechanism is formed with a dust scraping ring 3 moving axially along the surface of the filter screen, thereby effectively removing dust and sundries on the surface of the filter screen 71, ensuring the continuous smoothness of the filter screen, avoiding blockage, thereby improving the suction force and working efficiency of the dust collector; the dust scraper mechanism further comprises a driving mechanism driving the axial movement of the dust scraping ring, the driving mechanism can make the dust scraping ring accurately and stably move axially along the surface of the filter screen, ensuring the stability and consistency of the dust scraping action and reducing manual intervention; specifically, the driving mechanism comprises a push rod 2, a pull rod 8 and a gear set 6, the push rod 2 is provided with a push plate 22 distributed perpendicularly to the filter screen 71, the push plate 22 is fixedly connected with the dust scraping ring 3 through a metal rod 5, the push rod 2 is further formed with a driven gear plate 21 distributed perpendicularly to the push plate 22, the pull rod 8 is formed with a driving gear plate 81 parallel to the driven gear plate 21, the pull rod 8 is further formed with a pull ring 82 located outside the dust cup 11 for driving, the gear set 6 comprises a driving gear 61 and a driven gear 62 arranged coaxially, the driving gear 61 is engaged with the driving gear plate 81, the driven gear 62 is engaged with the driven gear plate 21, the driving gear plate 81 and the driven gear plate 21 are respectively located at upper and lower positions and the movement directions thereof are opposite, in order to make the movement of the push plate 22 unrestricted, the push plate 22 is arranged in a semicircular arc shape corresponding to the outer arc surface of the motor 12, thereby making the push plate axially move without interfering with the motor 12, by arranging the push plate 22 and the motor 12 into a non-interference structure, the structure can be more compact while ensuring the respective functions, thereby controlling the overall volume of the dust collector.

[0029] Specifically, an air inlet pipe 15 intercommunicating with the dust cup 11 is formed above the dust cup, a connecting pipe 14 is arranged outside the air inlet pipe 15, a return spring 9 is connected between the air inlet pipe 15 and the pull ring 82, in the embodiment, after the dust scraping is completed, the return spring can automatically reset the pull ring, ensuring that the dust scraping ring returns to the initial position, preparing for the next cleaning, improving the use convenience, at the same time, the return spring 9 can ensure the stability of the dust scraping ring 3, avoiding the dust scraping ring 3 following the movement of the dust collector when the dust collector is moving, ensuring the stability of the dust scraper mechanism.

[0030] Specific, metal rod 5 includes two and is symmetrically arranged, the inner wall of dust cup is provided with guide groove 111 correspondingly, metal rod 5 is driven under the push plate 22 and is slid in guide groove 111, in the embodiment, through the symmetric arrangement of metal rod and the design of guide groove, the movement of the dust scraping ring is more stable, smooth, avoids the deflection and the stagnation phenomenon, so that the push plate can accurately slide in the pushing process, improves the overall working precision and efficiency.

[0031] Specific, dust scraping ring 3 is further provided with dust scraping ring 4, dust scraping ring 4 is connected with dust scraping ring, the material of dust scraping ring is rubber, and the dust scraping ring made of rubber can better contact with the surface of the filter screen, so that the filter screen is not damaged, and the dust on the surface of the filter screen can be effectively removed, the abrasion of the filter screen is reduced, and the service life is improved.

[0032] Specific, the pull ring 82 is located above the motor 12, in the embodiment, the pull ring is designed above the motor, so that the space layout of the driving structure is more reasonable, the interference with the motor 12 is avoided, and the compactness and rationality of the internal components of the dust collector are improved.

[0033] The utility model also provides a hand -held dust collector, including body 1 and dust cup 11, dust cup 11 is located at the front side of body 1, and the front end of body 1 is built-in motor 12 for forming suction air flow, and the motor 12 is at least partially located in the dust cup 11, and the rear end of body 1 forms a base 16, and the base 16 forms stable support to the dust collector, so that the machine is ensured not to be dumped after being laid flat, and the base is built-in battery pack 17 for power supply, and the dust cup 11 and the base 16 are connected with handle 13, further including the dust scraping mechanism of the dust collector, and in the embodiment, the pull ring 82 is located in the space formed on the inner side of handle 13, so that the pull ring 82 has sufficient manual operation space, and the hand -held dust collector integrated with the dust scraping mechanism can maintain light and easy operation while providing efficient filter system maintenance function, so that the user does not need to frequently disassemble the filter screen for cleaning, the convenience and practicality of the dust collector are improved, and the competitiveness of the product is enhanced.

[0034] The working principle and use process of the utility model are as follows: after the pull ring 82 is pulled outward, the driving gear plate 81 is engaged to drive the driving gear 61 and the driven gear 62 to rotate, the driven gear 62 drives the push plate 22 to move in the opposite direction through the engagement with the driven gear plate 21, at this time, the push plate 22 drives the dust scraping ring 3 and the dust scraping ring 4 to move outside the filter screen 71 through the metal rod 5, so that the dust attached to the surface of the filter screen 71 is scraped off and falls into the dust cup 11, and the return spring 9 is stretched and stored in the process of pulling the pull rod 8 outward;

[0035] After the pull ring 82 is released, the return spring 9 is released and drives the pull rod 8, the gear set 6, the push rod 2 and the dust scraping ring 3 and the dust scraping ring 4 to reset under the action of the reset force.

[0036] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and is not intended to limit the present application, although the foregoing embodiments of the present application have been described in detail, for the skilled in the art, it still can be modified, or for the equivalent replacement of part of the technical features of the technical solutions recorded in the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application, shall be included within the scope of the present application.

Claims

1. A dusting mechanism of a dust collector, which is located in a dust cup (11) of a body (1), and an inside of the dust cup is provided with a filter assembly (7), an air outlet end of the filter assembly is connected with a motor (12), and a periphery of the filter assembly is provided with a filter screen (71), the dusting mechanism is formed with a dusting ring (3) which moves axially along a surface of the filter screen, and the dusting mechanism further comprises a driving mechanism which drives the dusting ring to move axially, the driving mechanism comprises a push rod (2), a pull rod (8) and a gear set (6), the push rod (2) is provided with push plates (22) which are distributed perpendicularly to the filter screen (71), the push plates (22) are fixedly connected with the dusting ring (3) through metal rods (5), the push rod (2) is further formed with driven toothed plates (21) which are distributed perpendicularly to the push plates (22), the pull rod (8) is formed with driving toothed plates (81) which are parallel to the driven toothed plates (21), the pull rod (8) is further formed with a pull ring (82) which is located outside the dust cup (11) and is used for driving, the gear set (6) comprises a driving gear (61) and a driven gear (62) which are coaxially arranged, the driving gear (61) is engaged with the driving toothed plates (81), the driven gear (62) is engaged with the driven toothed plates (21), and the driving toothed plates (81) and the driven toothed plates (21) are respectively located at upper and lower positions and move in opposite directions, characterized in that: The push plate (22) is in semicircular arc shape, and does not interfere with the motor (12) when moving axially.

2. A dusting mechanism for a dust extractor according to claim 1, wherein: An air inlet pipe (15) is formed above the dust cup (11) and communicates with the dust cup (11), an external connecting pipe (14) is sleeved on the air inlet pipe (15), and a reset spring (9) is connected between the air inlet pipe (15) and the pull ring (82).

3. A dusting mechanism for a dust extractor according to claim 1, wherein: The metal rod (5) includes two symmetrically arranged metal rods, and a guide groove (111) is arranged on the inner wall of the dust cup correspondingly, and the metal rod (5) penetrates and slides in the guide groove (111) under the driving of the push plate (22).

4. A dusting mechanism for a dust extractor according to claim 1, wherein: The dust scraping ring (3) is further provided with a dust scraping ring (4), and the material of the dust scraping ring is rubber.

5. A dusting mechanism for a dust extractor according to claim 1, wherein: The pull ring (82) is located above the motor (12).

6. A hand-held vacuum cleaner comprising a body (1) and a dust cup (11) located at the front side of the body (1), a motor (12) being built into the front end of the body (1), the motor (12) being at least partially located in the dust cup (11), a base (16) being formed at the rear end of the body (1), a battery pack (17) being built into the base, a handle (13) being connected between the dust cup and the base, characterized in that: The dust cleaner dust scraping mechanism also comprises the dust cleaner dust scraping mechanism of any one of claims 1-5. The dust cleaner dust scraping mechanism also comprises the dust cleaner dust scraping mechanism of any one of claims 1-5.

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