CN205338842U - Tertiary spout travel fatigue cup filtration system and contain dust catcher of this system - Google Patents

Abstract

The utility model discloses a three-stage tornado dust cup filter system and a vacuum cleaner containing the system. The filter system includes a detachable spiral-type secondary dust-gas separation device and a primary filter device. The filter system includes a large body dust The two dust cups, the dust cup and the dust cup of the handheld vacuum cleaner, not only increase the dust storage capacity of the whole machine, but also improve the separation efficiency of the dust cup and reduce the loss of air volume. There are more than 95%, which is obviously improved compared with the same kind of first-stage cyclone system. After three cyclones of dust and gas separation, Hypa is not easy to be blocked, which reduces the need for users to clean up Hypa. At the same time, the dust of large and small particles is divided into two dust cups, which is convenient for users to clean up. The structure of the large dust cup is simple and convenient for pouring dust.

Description

A three-stage tornado dust cup filter system and a vacuum cleaner including the system

technical field

The utility model belongs to the design technical field of a vacuum cleaner filter system, in particular to a three-stage tornado dust cup filter system and a vacuum cleaner including the system.

Background technique

The vacuum cleaner is a cleaning appliance that uses the motor to drive the blades to rotate at high speed, and generates air negative pressure in the sealed housing, thereby sucking the dust into the dust collection device, and discharging the filtered air out of the fan at a very high speed. The vacuum cleaner is based on its function The classification includes dry vacuum cleaners and wet and dry vacuum cleaners. Dry vacuum cleaners generally include dust bag type and dust cup type.

Existing dust cup vacuum cleaners generally include a two-stage dust-air separation structure. The first-stage structure is used to filter large-scale dirt in the air, and the second-stage structure is used to separate and collect small dust particles and other sundries. The traditional two-stage structure The dust and gas separation structure generally forms a secondary cyclone through the cooperation of the dust cup filter cover plate and the cyclone body provided with several cyclone ports. This structure requires more parts, and the molds and assembly processes involved are relatively more. Complicated, the sealing of each link is difficult to control, and it is prone to air leakage and dust leakage, which affects the overall performance of the whole machine.

And in the dust cup filter system of the vacuum cleaner, the dust bag type or a single dust cup tornado filter system is basically used. Dust and hair directly enter the dust cup through the air duct for separation and filtration, so that fine dust and large particles such as hair enter the dust cup together. The first-level tornado structure is not conducive to the separation of fine dust, while the second-level tornado structure is easy for hair to get entangled On the cone, it is not conducive to the separation of dust, and it is also easy to cause the blockage of the Hypa, the loss of air volume increases, and the dust storage capacity of the whole machine is small.

In view of the above problems, it is necessary to propose a new filter system, which can effectively increase the dust storage capacity of the whole machine, improve the separation efficiency of the dust cup, reduce the loss of air volume, facilitate the user's cleaning, simplify the structure, and facilitate ash dumping.

Utility model content

In view of this, the utility model provides a three-stage tornado wind dust cup filter system and a vacuum cleaner containing the system. The filter system includes a detachable screw-type secondary dust-gas separation device and a primary filter device to realize dust removal. The three-time separation improves the separation efficiency of the dust cup, reduces the loss of air volume, facilitates the user's cleaning, simplifies the structure, facilitates ash dumping, and can effectively increase the dust storage capacity of the whole machine.

According to the purpose of this utility model, a three-stage tornado wind dust cup filter system is proposed, including a primary filter device, and a spiral secondary dust-gas separation device with a two-stage filter structure connected to the air outlet of the primary filter device device, the spiral-type secondary dust-gas separation device is detachably fixed on the primary filter device;

The primary filter device includes a large body dust cup and a filter screen cover arranged in the large body dust cup, and a gap is provided between the filter screen cover and the inner wall of the large body dust cup, and the gap is used to form a primary filter. The cyclone air duct of the device, the first dust collection space is formed between the filter screen cover and the dust cup of the body;

The spiral-type secondary dust-gas separation device is a hand-held vacuum cleaner. The air with dust enters from the air inlet duct of the primary filter device. The air inlet duct is guided to the cyclone of the spiral type secondary dust and gas separation device for second-stage dust and gas separation, and is collected in the second dust collection space, and at least part of it is guided to the air inlet through the air duct. The spiral air impeller of the spiral type secondary dust-air separation device performs the third-stage dust-air separation, and is collected in the third dust-collecting space, and the air in the rotating airflow is drawn out by negative pressure to realize the third-stage dust-air separation .

Preferably, the upper part of the body dust cup is provided with a body cover, and the middle part of the body cover is concave to form a storage space for the handheld vacuum cleaner to be placed in, and the lower end of the handheld vacuum cleaner is installed on within the storage space.

Preferably, a clip is formed in the placement space, and the lower end of the handheld vacuum cleaner is clipped and fixed in the placement space.

Preferably, the placement space gradually decreases from top to bottom, and has a cone-column structure.

Preferably, the filter screen cover is fixedly arranged on the connection part at the lower end of the placement space.

Preferably, the body dust cup is detachably arranged under the body cover.

Preferably, the body cover includes two parts arranged up and down, and the two parts are spliced to form a body air duct, which communicates with the first dust collecting space.

Preferably, the interior of the main body air duct is a helicoid structure.

Preferably, the air inlet of the spiral secondary dust and gas separation device is located at the bottom, and the air inlet duct extends from the air inlet to the upper end of the spiral secondary dust and gas separation device through one side.

A vacuum cleaner, comprising a ground brush, a push rod, a main engine, and a three-stage tornado dust cup filter system, the body cover is fixedly connected to the push rod, the push rod is a hollow structure, and the body cover The upper body air duct is connected with the hollow cavity of the push rod; the dust air enters the hollow cavity of the push rod from the ground brush and enters the three-stage tornado wind dust cup filter system through the main body air duct on the main body cover for filtration and separation , the separated gas enters the host part of the handheld vacuum cleaner and is discharged.

Compared with the prior art, the advantages of the three-stage tornado wind dust cup filter system and the vacuum cleaner including the system disclosed in the utility model are:

The filter system includes a detachable screw-type secondary dust and gas separation device and a primary filter device. The air with dust enters from the air inlet duct of the primary filter device, and is filtered by the filter screen to remove the first-stage dust gas. After the separation, at least a part of it is guided into the cyclone of the spiral secondary dust and gas separation device through the air inlet duct for the second stage of dust and gas separation, and is collected in the second dust collection space, and at least a part of it is passed through the inlet The air duct is guided to the spiral wind impeller of the spiral-type secondary dust-air separation device for third-stage dust-air separation, and is collected in the third dust-collecting space, and the air in the rotating airflow is drawn out by negative pressure to realize The third level of dust and gas separation. The filtration system includes a large body dust cup and a hand-held vacuum cleaner dust cup, which not only increases the dust storage capacity of the whole machine, but also improves the separation efficiency of the dust cup and reduces the loss of air volume. The separation efficiency of the large body dust cup is just There are more than 95%, which is obviously improved compared with the same kind of first-stage cyclone system. After three cyclones of dust and gas separation, Hypa is not easy to be blocked, which reduces the need for users to clean up Hypa. At the same time, the dust of large and small particles is divided into two dust cups, the large dust cup and the handheld vacuum cleaner dust cup, which is convenient for users to clean. The large dust cup has a simple structure and is convenient for pouring dust.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description These are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is a structural diagram of the three-stage tornado wind dust cup filter system disclosed by the utility model.

Fig. 2 is a sectional view of the three-stage tornado wind dust cup filter system disclosed by the utility model.

The names of the corresponding parts represented by numbers or letters in the figure:

10. Primary filter device 20, spiral type secondary dust and gas separation device 30, push rod

11. Body dust cup 12, filter cover 13, cyclone air duct 14, first dust collection space 15, body cover 16, placement space 17, clamping parts 18, body air duct

21. Cyclone cylinder 22, second dust collection space 23, spiral wind impeller 24, third dust collection space 25, cyclone cone 26, soft rubber sponge

detailed description

And in the dust cup filter system of the vacuum cleaner, the dust bag type or a single dust cup tornado filter system is basically used. Dust and hair directly enter the dust cup through the air duct for separation and filtration, so that fine dust and large particles such as hair enter the dust cup together. The first-level tornado structure is not conducive to the separation of fine dust, while the second-level tornado structure is easy for hair to get entangled On the cone, it is not conducive to the separation of dust, and it is also easy to cause the blockage of the Hypa, the loss of air volume increases, and the dust storage capacity of the whole machine is small.

A secondary dust and gas separation structure and a dust cup containing the structure are disclosed in the prior art (application number: 201510044589.X). This application discloses a secondary dust and gas separation system, but the structure is still in use. There is the above-mentioned technical problem.

Aiming at the deficiencies in the prior art, the utility model provides a three-stage tornado dust cup filter system and a vacuum cleaner containing the system. The filter system includes a detachable spiral-type secondary dust-gas separation device and a primary filter device. On the one hand, it achieves three separations of dust, improves the separation efficiency of the dust cup, reduces the loss of air volume, facilitates the cleaning of the user, simplifies the structure, facilitates the ash dumping, and can effectively increase the dust storage capacity of the whole machine.

The technical solutions of the present utility model will be clearly and completely described through specific embodiments below. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to Fig. 1 and Fig. 2 together. As shown in the figure, a three-stage tornado wind dust cup filter system includes a primary filter device 10, which is connected to the air outlet of the primary filter device 10 and has a two-stage filter structure. The spiral type secondary dust and gas separation device 20, the spiral type secondary dust and gas separation device 20 is detachably fixed on the primary filter device.

Among them, the spiral-type secondary dust and gas separation device is a hand-held vacuum cleaner, and the hand-held vacuum cleaner and the first-level filter device are detachable and fixed. When in use, the hand-held vacuum cleaner can be installed on the first-level filter device for use, and the hand-held vacuum cleaner can also be removed. Use, use a wide range. By using the two together, the three-stage dust-air separation of the vacuum cleaner is realized on the basis of the original handheld vacuum cleaner with the second-stage dust-air separation function, which improves the separation efficiency of the dust cup, reduces the loss of air volume, and is convenient for users. clean up.

The primary filter device 10 includes a large body dust cup 11 and a filter screen cover 12 arranged in the large body dust cup 11, a gap is provided between the filter screen cover 12 and the inner wall of the large body dust cup 11, and the gap is used to form a primary filter. The first dust collection space 14 is formed between the cyclone air duct 13 of the device, the filter screen cover 12 and the large body dust cup 11; the large particles of dust after being separated by the filter screen cover fall into the first dust collection space.

During work, the air with dust enters from the air inlet duct of the primary filter device 10, and after being separated by the filter screen cover 12 for the first stage dust and gas, at least a part of it is guided to the spiral secondary dust gas through the air inlet duct. The second-level dust and gas separation is carried out in the cyclone 21 of the separation device 20, and is collected in the second dust collection space 22, and at least a part of it is guided to the spiral wind impeller of the spiral secondary dust and gas separation device through the air inlet duct. The third stage of dust and gas separation is carried out at 23, and is collected in the third dust collection space 24, and the air in the swirling airflow is drawn out by negative pressure to realize the third stage of dust and gas separation.

The top of the big body dust cup 11 is provided with a big body cover plate 15, and the middle part of the big body cover plate 15 is sunken to form a placement space 16 for the hand-held vacuum cleaner to put into, and the lower end of the hand-held vacuum cleaner is installed in the placement space. In order to ensure the stability of the handheld vacuum cleaner, a clip 17 is formed in the storage space, and the lower end of the handheld vacuum cleaner is clamped and fixed in the storage space.

The placement space 16 gradually decreases from top to bottom, and has a cone-cylindrical structure, which is convenient for putting in the handheld vacuum cleaner.

The filter screen cover 12 is fixedly arranged on the connection part at the lower end of the storage space, and is detachably connected, so that it is convenient to take off for cleaning and the like.

The body dust cup 11 is detachably arranged under the body cover plate. The large dust cup is used to hold large dust particles, etc., and most of the dust is separated and falls into the large dust cup during the first-stage dust-air separation process. By setting the large dust cup detachably, the dust can be poured It is convenient and can effectively increase the dust storage capacity of the whole machine by setting a large body dust cup and a hand-held vacuum cleaner dust cup for combined use.

The body cover 15 includes two parts arranged up and down, and the two parts are spliced to form a body air duct 18 , which communicates with the first dust collecting space 14 . Wherein the inside of the body air duct 18 is a helicoid structure. After the dust air enters the air duct of the main body, under the guidance of the helical surface structure, it gradually accelerates and spins down, and at the same time forms a certain negative pressure to facilitate the entry of dust air.

The air inlet of the spiral-type secondary dust-air separation device is located at the bottom, and its air inlet duct extends from the air inlet to the upper end of the spiral-type secondary dust-air separation device through one side, which is convenient for the dust air after the first-level dust-air separation to enter Carry out secondary and tertiary dust and gas separation.

A vacuum cleaner, including a ground brush, a push rod 30, a main engine and a three-stage tornado wind dust cup filter system, the main body cover plate is fixedly connected to the push rod 30, the push rod is a hollow structure, and the main body air duct on the main body cover plate Connected with the hollow cavity of the push rod; the dust air enters the hollow cavity of the push rod from the ground brush and enters the three-stage tornado wind dust cup filter system through the body air duct on the body cover plate for filtration and separation, and the separated gas enters the hand-held The host part of the vacuum cleaner is discharged.

The vacuum cleaner can separate dust and gas for three times, separating large particles of dust and paper scraps first, improving separation efficiency, preventing filter blockage, and reducing air volume loss; the entire cyclone system can first leave large particles of dust and hair in the body dust In the cup, the fine ash enters the hand-held dust cup and is separated again, which is convenient for the user to clean the dust cup.

The working principle of the utility model is as follows:

The direction of the dust gas is shown by the arrow in the figure. The dust gas enters the big body dust cup 11 from the big body air duct 18 (as shown in Figure 2 ①), and enters the primary filter device through ② and ③. After the dust is thrown from the spiral surface of the large body air duct, the large dust spirals downward along the wind cone and falls into the large body dust cup, and part of the fine ash gas enters the spiral secondary dust gas through the filter screen cover of the large body dust cup separation device. At this time, the larger particles and hairs have been left in the dust cup of the body, and only part of the fine dust enters the spiral secondary dust and gas separation device. At this time, the dust gas enters the spiral secondary dust gas separation device through ④, ⑤, ⑥, ⑦. The fine dust gas is first separated by the cyclone cylinder of the spiral secondary dust gas separation device, and then enters the spiral wind impeller for separation again. At this time, the fine dust is basically separated and left in the dust cup of the hand-held vacuum cleaner. Part of the fine dust gas enters the soft rubber sponge through the cyclone cone 25 (as shown in Figure 2⑧), and is filtered by the soft rubber sponge 26. Clean air enters the motor from ⑨, thus realizing the complete separation of dust and gas; this system not only increases the dust storage capacity of the whole machine, but also reduces the loss of air volume. After three cyclones for dust and gas separation, Hypa It is not easy to be blocked, which reduces the need for users to clean the Hypa. At the same time, the dust of large and small particles is divided into two dust cups, the large dust cup and the handheld vacuum cleaner dust cup, which is convenient for users to clean. The large dust cup has a simple structure and is convenient for pouring dust.

The utility model discloses a three-stage tornado wind dust cup filter system and a vacuum cleaner containing the system. The filter system includes a detachable spiral-type secondary dust-gas separation device and a primary filter device. The air inlet duct of the first-stage filter device enters, and after the first-stage dust and gas separation is carried out by the filter screen cover, at least part of it is guided to the cyclone of the spiral-type second-stage dust-air separation device through the air inlet duct for the second stage. The first-stage dust and gas are separated and collected in the second dust-collecting space, and then at least a part is guided to the spiral wind impeller of the spiral-type secondary dust-gas separation device through the air inlet duct for third-stage dust-gas separation, and It is collected in the third dust collection space, and the air in the swirling airflow is drawn out by negative pressure to realize the third stage of dust and gas separation. The filtration system not only increases the dust storage capacity of the whole machine, but also improves the separation efficiency of the dust cup and reduces the loss of air volume. The cyclone system has been significantly improved. After three cyclones of dust and gas separation, Hypa is not easy to be blocked, which reduces the need for users to clean up Hypa. At the same time, the dust of large and small particles is divided into two dust cups, the large dust cup and the handheld vacuum cleaner dust cup, which is convenient for users to clean up. The structure of the large dust cup is simple and convenient for pouring dust.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. a three-stage tornado wind dust cup filter system, is characterized in that, comprises one-stage filter device, the spiral type two-stage dust-gas separation device that is connected with the air outlet of described one-stage filter device and possesses two-stage filter structure, The spiral secondary dust and gas separation device is detachably fixed on the primary filter device; The primary filter device includes a large body dust cup and a filter screen cover arranged in the large body dust cup, and a gap is provided between the filter screen cover and the inner wall of the large body dust cup, and the gap is used to form a primary filter. The cyclone air duct of the device, the first dust collection space is formed between the filter screen cover and the large body dust cup, and the upper part of the large body dust cup is provided with a large body cover plate; The spiral-type secondary dust-gas separation device is a hand-held vacuum cleaner. The air with dust enters from the air inlet duct of the primary filter device. The air inlet duct is guided to the cyclone of the spiral type secondary dust and gas separation device for second-stage dust and gas separation, and is collected in the second dust collection space, and at least part of it is guided to the air inlet through the air duct. The spiral air impeller of the spiral type secondary dust-air separation device performs the third-stage dust-air separation, and is collected in the third dust-collecting space, and the air in the rotating airflow is drawn out by negative pressure to realize the third-stage dust-air separation . 2. The three-stage tornado wind dust cup filter system as claimed in claim 1, characterized in that, the middle part of the body cover plate is concave to form a placement space for the handheld vacuum cleaner to be put into, and the handheld vacuum cleaner The lower end is installed in the placement space. 3 . The three-stage tornado dust cup filter system according to claim 2 , wherein a clamping piece is formed in the storage space, and the lower end of the handheld vacuum cleaner is clamped and fixed in the storage space. 4 . 4. The three-stage tornado wind dust cup filter system as claimed in claim 2, characterized in that, the placement space gradually decreases from top to bottom, and is in a cone-cylindrical structure. 5 . The three-stage tornado dust cup filter system according to claim 1 , wherein the filter screen cover is fixedly arranged on the connecting portion at the lower end of the placement space. 6 . 6 . The three-stage tornado dust cup filter system according to claim 2 , wherein the dust cup of the main body is detachably arranged under the cover plate of the main body. 7 . 7. The three-stage tornado wind dust cup filter system as claimed in claim 2, characterized in that, the body cover plate includes two parts arranged up and down, and the two parts are spliced to form a body air duct, and are connected with the first dust collection Space is connected. 8. The three-stage tornado wind dust cup filter system as claimed in claim 7, characterized in that, the interior of the main body air duct is a helicoid structure. 9. The three-stage tornado dust cup filter system as claimed in claim 1, wherein the air inlet of the spiral secondary dust-gas separation device is located at the bottom, and its air inlet duct extends from the air inlet through one side to the upper end of the spiral secondary dust-gas separation device. 10. A vacuum cleaner, characterized in that it comprises a ground brush, a push rod, a host and the three-stage tornado wind dust cup filter system according to any one of claims 1-9, and the body cover is fixedly connected to the push rod , the push rod is a hollow structure, and the body air channel on the body cover plate communicates with the hollow cavity of the push rod; the dust air enters the hollow cavity of the push rod from the ground and passes through the body air duct on the body cover plate. The air channel enters the three-stage tornado wind dust cup filter system for filtration and separation, and the separated gas enters the host part of the hand-held vacuum cleaner and is discharged.