Dust scraping assembly, dust collecting cup and dust collector

Abstract

The utility model provides a dust scraping assembly, a dust collecting cup and a dust collector, and relates to the technical field of cleaning equipment. The dust scraping assembly comprises a dust scraping part, the outer side of a filter screen cover is sleeved with the dust scraping part, and at least one part of the dust scraping part is attached to the outer wall face of the filter screen cover; the middle part is respectively connected with the dust scraping part and the dust cup; the operation part is connected with the middle part and drives one part of the middle part and the dust scraping part to move on the outer side of the filter screen cover in the direction of the filter axis. The dust scraping part attached to the outer wall face of the filter screen cover is additionally arranged on the outer side of the filter screen cover, the dust scraping part moves on the outer side of the filter screen cover through the operation part and the middle part, dirt such as dust and hair adsorbed on the outer wall face of the filter screen cover can be cleaned, and therefore the filtering effect of the filter screen cover is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of cleaning equipment, in particular to a dust scraping component, a dust collecting cup and a dust cleaner. Background Art

[0002] With the development of society and the continuous improvement of people's living standards, vacuum cleaners have been used in more and more households as a cleaning appliance.

[0003] During the use of the vacuum cleaner, since the filter cover is usually made of metal material, under the action of static electricity, dirt such as dust and hair separated from the fluid will adhere to the outer wall surface of the filter cover. When the amount of attached dust, hair and other dirt is large, it will inevitably affect the filtering effect of the filter cover. At this time, you need to first remove the dust cup from the vacuum cleaner, then take out the filter assembly including the filter cover from the dust cup, and finally, manually clean the filter cover. However, since the cleaning process of the filter cover is relatively complicated, it will affect the user experience. Utility Model Content

[0004] In view of the shortcomings existing in the above problems, the utility model provides a dust scraping assembly, a dust collecting cup and a vacuum cleaner which can clean dirt such as dust and hair adsorbed on the outer wall surface of the filter screen.

[0005] To achieve the above objectives, in a first aspect, the utility model provides a dust scraping assembly, comprising:

[0006] A dust scraping part is sleeved on the outside of the filter screen cover, wherein at least a part of the dust scraping part is in contact with the outer wall surface of the filter screen cover;

[0007] The middle part is connected to the dust scraping part and the dust cup respectively;

[0008] The operating part is connected to the middle part, and drives a part of the middle part and the dust scraping part to move outside the filter screen cover along the direction of the filter axis.

[0009] In one embodiment, the scraping part includes a scraping ring and a matching ring, wherein the scraping ring is connected to the bottom end of the matching ring, and at least a portion of the inner wall surface of the scraping ring is in contact with the outer wall surface of the filter screen cover;

[0010] The matching ring is provided with at least one matching piece connected with the middle part.

[0011] In one embodiment, the mating piece includes a bent piece connected to the mating ring in a curved shape and extending to the outside of the mating ring, and a supporting piece connected to the bent piece and the mating ring respectively, wherein a groove is formed on the end of the bent piece away from the mating ring.

[0012] In one embodiment, the middle portion includes a first portion, a second portion and at least one linkage portion, wherein a portion of the first portion is disposed inside the second portion, and the linkage portion is respectively connected to the first portion and the matching piece.

[0013] In one embodiment, the first portion further includes an extension portion disposed on an outer wall surface thereof, wherein a distal end of the extension portion is connected to the operating portion.

[0014] In one embodiment, an elastic component is disposed inside the second portion, wherein a top portion of the elastic component abuts against a portion of a bottom end surface of the first portion.

[0015] In one embodiment, the linkage part includes a connecting plate, a ring and a longitudinal rod, wherein the connecting plate is connected to the outer wall surface of the first part and the outer wall surface of the ring respectively, the end of the longitudinal rod is placed in the groove and abuts against the groove, and the ring is sleeved on the outer side of the longitudinal rod and abuts against the outer wall surface of the longitudinal rod.

[0016] In a second aspect, the utility model further provides a dust cup, comprising a dust cup, a filter screen, and the above-mentioned dust scraping assembly.

[0017] In one of the embodiments, a matching structure connected to the scraping part and the middle part is provided on the outer wall surface of the dust cup.

[0018] In the third aspect, the utility model also provides a vacuum cleaner, comprising a suction pipe, a shell, an airflow generating assembly, a handle, a power supply assembly and the above-mentioned dust cup, wherein an opening area for moving the operating part is opened on the wall surface of the shell corresponding to the handle, and the operating part is adjacent to the handle and is located on the left and right sides of the filter axis respectively corresponding to the suction pipe.

[0019] Compared with the prior art, the utility model has one of the following advantages:

[0020] By adding a dust scraper part that fits with the outer wall surface of the filter cover, and by using the operating part and the middle part to enable the dust scraper part to move on the outer side of the filter cover, dirt such as dust and hair adsorbed on the outer wall surface of the filter cover can be cleaned, thereby ensuring the filtering effect of the filter cover; since the filter cover can be cleaned without taking the filter cover out of the dust cup, it will not affect the user experience effect;

[0021] Since the dust scraping assembly is located above the dust collecting area in the dust cup, the cleaned dust, hair and other dirt can be directly guided into the dust collecting area. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a three-dimensional diagram of the dust scraping assembly in this embodiment;

[0023] Figure 2 A three-dimensional diagram of the dust scraping assembly in another perspective of this embodiment;

[0024] Figure 3 is a cross-sectional view of the dust scraping assembly in this embodiment;

[0025] Figure 4 It is a partial structural diagram of the dust cup in this embodiment;

[0026] Figure 5 for Figure 4 Partial structure diagram of the middle dust cup;

[0027] Figure 6 is a three-dimensional diagram of the vacuum cleaner in this embodiment;

[0028] Figure 7 is a cross-sectional view of the vacuum cleaner in this embodiment;

[0029] Figure 8 for Figure 7 An enlarged view of part A;

[0030] Fig. 9 It is a partial cross-sectional view of the vacuum cleaner in this embodiment.

[0031] The main reference numerals are as follows:

[0032] 1-scraping part; 100-scraping ring; 1001-longitudinal strip; 101-matching ring; 1010-bending part; 10101-groove; 1011-supporting part;

[0033] 2-middle part; 200-first part; 2001-extension part; 201-second part; 2010-lower through hole; 2011-columnar cavity; 202-connecting plate; 203-ring; 204-longitudinal rod; 205-upper tightening ring; 206-lower tightening ring;

[0034] 3- Operation part;

[0035] 4-dust cup; 401-assembly groove; 4010-convex column; 402-upper assembly ring; 403-lower assembly part;

[0036] 5-shell; 501-opening area;

[0037] 6-Suction pipe;

[0038] 7-Filter cover;

[0039] 8-Handle;

[0040] 9- Power supply component;

[0041] 10-Airflow generating assembly. DETAILED DESCRIPTION

[0042] In order to make the purpose, technical solution and advantages of the utility model clearer, the technical solution of the utility model will be clearly and completely described below in conjunction with specific embodiments and corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0043] The utility model provides a dust scraping component, comprising:

[0044] The dust scraping part is sleeved on the outer side of the filter screen cover, wherein at least a part of the dust scraping part is in contact with the outer wall surface of the filter screen cover;

[0045] The middle part is connected to the dust scraping part and the dust cup respectively;

[0046] The operating part is connected with the middle part, and drives a part of the middle part and the dust scraping part to move outside the filter screen cover along the axial direction.

[0047] By adding a dust scraper part that fits with the outer wall surface of the filter screen cover, and allowing the dust scraper part to move on the outside of the filter screen cover through the operating part and the middle part, dust, hair and other dirt adsorbed on the outer wall surface of the filter screen cover can be cleaned, thereby ensuring the filtering effect of the filter screen cover.

[0048] Embodiment 1

[0049] like Figures 1 to 3 As shown, in this embodiment, the scraping part 1 includes a scraping ring 100 and a matching ring 101, wherein the scraping ring 100 is connected to the bottom end of the matching ring 101, and at least a part of the inner wall surface of the scraping ring 100 is in contact with the outer wall surface of the filter screen cover;

[0050] The matching ring 101 is provided with at least one matching piece connected to the middle part 2 .

[0051] In this embodiment, the scraper ring 100 includes a first part and a second part, wherein the first part is connected to the matching ring 101, and the second part is located at the lower end of the first part. When the scraper ring 100 is sleeved on the outer side of the filter screen cover, the inner wall surface of the second part fits with the outer wall surface of the filter screen cover.

[0052] Furthermore, along the circumferential direction of the second part, a plurality of longitudinal strips 1001 are arranged at equal intervals on the inner wall surface of the second part. Such a design can increase the strength of the second part in the longitudinal direction.

[0053] Furthermore, the distance between the outer wall surface of the longitudinal strip 1001 and the inner wall surface of the second part is no more than 2 mm. This design can prevent the longitudinal strip 1001 from affecting the fitting effect between the second part and the filter screen.

[0054] Optionally, the scraper ring 100 can be made of flexible plastic, rubber or other materials with a certain degree of flexibility. This design can avoid leaving scratches when the scraper ring 100 moves on the outer wall surface of the filter screen cover.

[0055] Preferably, the scraper ring 100 is made of rubber material. Compared with flexible plastic, the flexibility of rubber is better than that of flexible plastic, and it is easier to fit with the outer wall surface of the filter screen.

[0056] In this embodiment, the matching ring 101 is made of a material with a rigid effect. Such a design can provide a certain support effect for the scraper ring 100 .

[0057] Preferably, the matching ring 101 is made of plastic with a certain hardness.

[0058] Furthermore, the matching piece includes a first matching piece and a second matching piece, the first matching piece and the second matching piece are arranged at an interval, and both are connected to the matching ring 101 .

[0059] Both the first mating piece and the second mating piece include a bent piece 1010 connected to the mating ring 101 in a curved shape and extending to the outside of the mating ring 101, and a supporting piece 1011 connected to the bent piece 1010 and the mating ring 101 respectively, wherein a groove 10101 is formed on the end of the bent piece 1010 away from the mating ring 101.

[0060] Furthermore, the bending piece 1010 is composed of a longitudinal portion and a transverse portion connected to each other, wherein the first end of the longitudinal portion is connected to the top end surface of the matching ring 101, the second end of the longitudinal portion extends to the upper area thereof, the first end of the transverse portion is connected to the second end of the longitudinal portion, and the second end of the transverse portion extends to the outer area of ​​the matching ring 101.

[0061] In the transverse portion, the groove 10101 is located on the transverse portion and close to the second end of the transverse portion.

[0062] The support member 1011 is a triangular plate, the longitudinal wall of which is connected to the outer wall of the matching ring 101 and the outer wall of the longitudinal part, and the transverse wall of which is connected to the bottom end face of the transverse part. The support member 1011 can provide good support performance for the bending member 1010 to prevent the bending member 1010 from shaking. At the same time, the support member 1011 can also improve the connection performance between the bending member 1010 and the matching ring 101.

[0063] In the above embodiment, the scraper ring 100 and the matching ring 101 are combined by two-shot injection molding, which can improve the connection performance between the two.

[0064] In this embodiment, the middle part 2 includes a first part 200, a second part 201, a first linkage part and a second linkage part, wherein a portion of the first part 200 is placed inside the second part 201, the first linkage part is connected to the left side wall of the first part 200, and the second linkage part is connected to the right side wall of the first part 200.

[0065] Specifically, a concave area in the longitudinal direction is provided on the second portion 201, and a portion of the inner wall surface, a portion of the left wall surface, a portion of the right wall surface and a portion of the bottom end surface of the first portion 200 are all placed in the concave area.

[0066] Among them, the inner wall surface of the first part 200 is placed inside the concave area to form an inner part of the inner wall surface and an outer part of the inner wall surface, the left side wall surface of the first part 200 is placed inside the concave area to form an inner part of the left side wall surface and an outer part of the left side wall surface, the right side wall surface of the first part 200 is placed inside the concave area to form an inner part of the right side wall surface and an outer part of the right side wall surface, and the bottom end surface of the first part 200 is placed inside the concave area to form an inner part of the bottom end surface and an outer part of the bottom end surface.

[0067] Furthermore, a lower through hole 2010 is disposed transversely on the bottom end surface of the second part 201. The first end surface of the lower through hole 2010 faces the convex column on the outer wall surface of the dust cup. When the second part 201 is assembled with the dust cup, a part of the convex column is embedded in the lower through hole 2010. This design can improve the connection performance between the second part 201 and the dust cup.

[0068] Furthermore, a cylindrical cavity 2011 is provided inside the second part 201 toward the upper area of ​​the second part 201. Since the built-in portion of the bottom end surface of the first part 200 is placed in the concave area, the built-in portion of the bottom end surface of the first part 200 corresponds to the open end of the cylindrical cavity 2011.

[0069] An elastic component is provided inside the columnar cavity 2011. The top end surface of the elastic component abuts against the built-in portion of the bottom end surface of the first part 200, and the bottom end surface of the elastic component abuts against the bottom end surface of the columnar cavity 2011. By providing the elastic component, after the first part 200 moves along the filtration axis from the first position to the second position below it, it can be driven by the elastic component to return to the first position upward.

[0070] Preferably, the elastic component is a spring.

[0071] Furthermore, the outer wall surface of the first portion 200 further includes an extension portion 2001 arranged on the outer wall surface thereof, wherein a distal end of the extension portion 2001 is connected to the operating portion 3 .

[0072] The extension portion 2001 is a transverse bar, which includes a front end connected to the outer wall surface of the first portion 200 and an inner end embedded in the operating portion 3 .

[0073] In addition, in order to improve the connection performance between the transverse bar and the operating part 3, an undercut is provided near the end of the transverse bar. When the end of the transverse bar is embedded in the inside of the operating part 3, the undercut is also placed in the inside of the operating part 3, and the operating part 3 can be clamped on the outside of the transverse bar.

[0074] In this embodiment, the first linkage portion and the second linkage portion have the same structure, and the positions of the first linkage portion and the second linkage portion are symmetrical.

[0075] Furthermore, the first linkage part and the second linkage part both include a connecting plate 202, a collar 203 and a longitudinal rod 204. In the first linkage part, the connecting plate 202 is respectively connected to the left side wall of the first part 200 and the outer wall of the collar 203, the collar 203 is sleeved on the outer side of the longitudinal rod 204 and abuts against the outer wall of the longitudinal rod 204, and the end of the longitudinal rod 204 is placed in the groove 10101 and abuts against the inner wall of the groove 10101. In the second linkage part, the connecting plate 202 is respectively connected to the left side wall of the first part 200 and the outer wall of the collar 203, the collar 203 is sleeved on the outer side of the longitudinal rod 204 and abuts against the outer wall of the longitudinal rod 204, and the end of the longitudinal rod 204 is placed in the groove 10101 and abuts against the inner wall of the groove 10101.

[0076] In addition, the longitudinal rod 204 in the first linkage part and the longitudinal rod 204 in the second linkage part are both sleeved with an upper tightening ring 205 and a lower tightening ring 206. By setting the upper tightening ring 205 and the lower tightening ring 206, the moving area of ​​the first part 200 can be limited. Among them, in the first linkage part, the position of the upper tightening ring 205 is located in the upper area of ​​the collar 203, and the position of the lower tightening ring 206 is located in the upper area of ​​the first matching piece. In the second linkage part, the position of the upper tightening ring 205 is located in the upper area of ​​the collar 203, and the position of the lower tightening ring 206 is located in the upper area of ​​the second matching piece.

[0077] In this embodiment, the operating part 3 is arranged outside the extension part 2001. By operating the operating part 3, the first part 200 and the scraping part 1 can be controlled to move between the first position and the second position outside the filter screen along the direction of the filter axis.

[0078] Specifically, when the control operating part 3 moves downward, the operating part 3 drives the first part 200, the first linkage part, the second linkage part and the dust scraping part 1 to move between the first position on the outside of the filter screen cover and the second position, so that the dust, hair and other dirt adsorbed on the outer wall of the filter screen cover can fall off from the filter screen cover and directly enter the dust collecting area of ​​the dust cup, so as to clean the filter screen cover. When the dust scraping part 1 reaches the second position, under the action of the elastic component, the first part 200, the first linkage part, the second linkage part, the dust scraping part 1 and the operating part 3 move upward, thereby moving to the first position to complete the dust scraping operation of the filter screen cover.

[0079] Embodiment 2

[0080] like Figure 4 and Figure 5 As shown, this embodiment provides a dust cup 4, including a dust cup 4, a filter screen, and Figures 1 to 3 The dust scraping assembly described in.

[0081] In this embodiment, a matching structure connected to the scraping part 1 and the middle part 2 is provided on the outer wall surface of the dust cup 4.

[0082] Specifically, the matching structure includes a first matching portion and a second matching portion that are spaced apart from each other, wherein the space between the first matching portion and the second matching portion forms an assembly groove 410 for accommodating the first portion and the second portion.

[0083] Furthermore, the first matching portion and the second matching portion have the same structure, both of which include an upper assembly ring 402 and a lower assembly portion 403 located below the upper assembly ring 402. The upper assembly ring 402 and the lower assembly portion 403 are spaced apart to form a spacing area, and the height of the spacing area is the same as the spacing between the scraper ring 100 moving from the first position to the second position.

[0084] Furthermore, the upper tightening ring 205 is embedded in the upper assembly ring 402, and the upper assembly ring 402 also surrounds a portion of the outer side of the longitudinal rod 204. The lower tightening ring 206 is embedded in the lower assembly portion 403, and the lower assembly portion 403 also surrounds a portion of the outer side of the longitudinal rod 204.

[0085] A moving channel is provided inside the lower assembly portion 403, which includes a first end located at the top end surface of the moving channel and a second end located at the bottom end surface of the moving channel. When the longitudinal rod 204 does not need to move to the lower area, the end of the longitudinal rod 204 is located at the first end of the moving channel, and when the longitudinal rod 204 needs to move to the lower area, the end of the longitudinal rod 204 will move along the direction of the moving channel toward the second end of the moving channel.

[0086] In addition, a convex column 4010 extending toward the outer area of ​​the outer wall surface of the dust cup 4 is provided in the assembly groove 401. When the second part 201 is placed inside the assembly groove 401, a part of the convex column 4010 is embedded in the lower through hole 2010 located on the bottom end surface of the second part.

[0087] When the end of the longitudinal rod 204 moves to the second end of the moving channel, it also drives the scraper ring 100 to move to the second position on the outside of the filter screen cover, thereby completing the cleaning operation of the filter screen cover. At the same time, the cleaned dust, hair and other dirt can be directly guided to the dust collecting area located in the lower area of ​​the filter screen cover.

[0088] Embodiment 3

[0089] like Figures 6 to 9 As shown, this embodiment provides a vacuum cleaner, including a suction pipe 6, a shell 5, an airflow generating component 10, a handle 8, a power supply component 9 and Figure 4 and Figure 5 The dust cup described in . An opening area 501 for moving the operating part 3 is provided on the wall surface of the housing 5 corresponding to the handle 8, the operating part 3 is adjacent to the handle 8, and the corresponding suction pipe 6 is located on the left and right sides of the filter axis AA.

[0090] When the filter cover 7 needs to be cleaned, the operating part 3 is pressed downward to control the scraper part to move downward from the current first position to the second position. When the scraper part moves downward, the cleaning operation of the filter cover is completed. At the same time, the cleaned dust, hair and other dirt can be directly guided to the dust collecting area located in the lower area of ​​the filter cover.

[0091] The above is only a preferred embodiment of the utility model, which is only illustrative and not restrictive. Those skilled in the art understand that many changes, modifications, and even equivalences can be made within the spirit and scope defined by the claims of the utility model, but they will all fall within the scope of protection of the utility model.

Claims

1. A dust scraping assembly, characterized in that: include: A dust scraping part is sleeved on the outside of the filter screen cover, wherein at least a part of the dust scraping part is in contact with the outer wall surface of the filter screen cover; The middle part is connected to the dust scraping part and the dust cup respectively; The operating part is connected to the middle part, and drives a part of the middle part and the dust scraping part to move outside the filter screen cover along the direction of the filter axis.

2. The dust scraping assembly according to claim 1, characterized in that: The scraping part comprises a scraping ring and a matching ring, wherein the scraping ring is connected to the bottom end of the matching ring, and at least a part of the inner wall surface of the scraping ring is in contact with the outer wall surface of the filter screen cover; The matching ring is provided with at least one matching piece connected with the middle part.

3. The dust scraping assembly according to claim 2, characterized in that: The mating piece includes a bent piece connected to the mating ring in a bent shape and extending to the outside of the mating ring, and a supporting piece connected to the bent piece and the mating ring respectively, wherein a groove is formed on the end of the bent piece away from the mating ring.

4. The dust scraping assembly according to claim 3, characterized in that: The middle part includes a first part, a second part and at least one linkage part, wherein a part of the first part is placed inside the second part, and the linkage part is respectively connected to the first part and the matching piece.

5. The dust scraping assembly according to claim 4, characterized in that: The first portion further includes an extending portion disposed on an outer wall surface thereof, wherein a distal end of the extending portion is connected to the operating portion.

6. The dust scraping assembly according to claim 5, characterized in that: An elastic member is disposed inside the second portion, wherein a top portion of the elastic member abuts against a portion of a bottom end surface of the first portion.

7. The dust scraping assembly according to claim 4, characterized in that: The linkage part includes a connecting plate, a ring and a longitudinal rod, wherein the connecting plate is respectively connected to the outer wall surface of the first part and the outer wall surface of the ring, the end of the longitudinal rod is placed in the groove and abuts against the groove, and the ring is sleeved on the outer side of the longitudinal rod and abuts against the outer wall surface of the longitudinal rod.

8. A dust cup, characterized in that: It comprises a dust cup, a filter screen, and a dust scraping assembly as claimed in any one of claims 1 to 7.

9. The dust cup according to claim 8, characterized in that: A matching structure connected to the scraping part and the middle part is provided on the outer wall surface of the dust cup.

10. A vacuum cleaner, characterized in that: It includes a suction pipe, a shell, an airflow generating assembly, a handle, a power supply assembly and the dust cup as described in claim 8 or 9, wherein an opening area for moving the operating part is opened on the wall surface of the shell corresponding to the handle, the operating part is adjacent to the handle, and is located on the left and right sides of the filter axis respectively corresponding to the suction pipe.

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