CN108652520B

CN108652520B - Dust cup locking structure of dust collector and dust collector

Info

Publication number: CN108652520B
Application number: CN201810390516.XA
Authority: CN
Inventors: 单宁
Original assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Current assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Priority date: 2018-04-27
Filing date: 2018-04-27
Publication date: 2020-08-18
Anticipated expiration: 2038-04-27
Also published as: CN108652520A

Abstract

The embodiment of the invention provides a dust cup locking structure of a dust collector and the dust collector, wherein the dust cup locking structure comprises a sliding button (31), a sliding part (32), a locking part (33) and an elastic driving part (34), the sliding button (31) is fixedly connected with the sliding part (32), the sliding part (32) moves linearly in the front-back direction, the outer end part of the locking part (33) is provided with a locking tongue (332) matched with a dust cup (20), and the sliding part (32) and the elastic driving part (34) are both connected with the locking part (33) so that the locking tongue (332) can be switched between a dust cup releasing position and a dust cup locking position. The dust cup locking structure of the embodiment of the invention has a simple structure, only needs to occupy a smaller installation space, does not have parts with complex structures, and is convenient for production, manufacture, assembly and disassembly and convenient for user operation; the experience of the user is improved by using the sliding operation.

Description

Dust cup locking structure of dust collector and dust collector

Technical Field

The invention relates to the technical field of cleaning electric appliances, in particular to a dust cup locking structure of a dust collector and the dust collector.

Background

Most of the existing dust cup locking structures of dust collectors are pressing type structures, and the locking structures of the pressing type structures are complex in structure, occupy large space and are not beneficial to the compactness of the dust collectors; on the other hand, spare part is numerous, and the precision requirement of mutually supporting is higher, and the dress, unload the degree of difficulty greatly, take a lot of trouble hard, and not conform to human mechanics, user's experience is relatively poor.

Disclosure of Invention

In view of the above, it is desirable to provide a dust cup locking structure of a vacuum cleaner and a vacuum cleaner, which have simple structures, are easy to assemble and disassemble, and meet human mechanics.

In order to achieve the above object, a first aspect of embodiments of the present invention provides a dust cup locking structure of a vacuum cleaner, the vacuum cleaner including a housing and a dust cup detachably connected to the housing, the dust cup locking structure including:

the sliding button is connected with the shell in a sliding mode and at least partially exposed out of the outer surface of the shell;

the sliding piece is fixedly connected with the sliding button, the sliding piece is arranged in the shell, and the sliding piece moves linearly along the extending direction of the shell;

the locking piece is matched with the sliding piece and moves linearly along the radial direction of the shell, a lock tongue matched with the dust cup is arranged at the outer end of the locking piece, a lock groove is formed in the locking piece, the free end of the sliding piece penetrates through the lock groove, a first guide surface is arranged at the free end of the sliding piece, a second guide surface is arranged on the inner wall of the lock groove, and the sliding piece drives the lock tongue to be switched from a dust cup locking position to a dust cup releasing position through the matching of the first guide surface and the second guide surface;

the elastic driving piece is connected with the locking piece so as to apply an outward acting force to the locking piece along the movement direction of the locking piece and drive the bolt to be switched from the dust cup releasing position to the dust cup locking position.

Further, the dust cup locking structure comprises a resetting piece, and the resetting piece is connected with the sliding piece to drive the sliding piece to return to the initial position; when the sliding part is at the initial position, the lock tongue is at the position of the dust locking cup.

Further, the slider includes a plate-shaped slider body, the reset member is located on the inner side of the slider body, and the slider body is provided with a mounting hole corresponding to the position of the reset member.

Further, the piece that resets is first spring, the dust catcher including set up in the first mounting structure of the inside of casing, the slider including set up in the inboard mount pad of slip body, the one end butt of first spring in first mounting structure, the other end butt in the mount pad.

Furthermore, the sliding part comprises a plate-shaped sliding body and a first guide rib protruding inwards from the inner surface of the sliding body, the first guide rib extends along the sliding direction of the sliding part, the dust collector comprises a first guide groove arranged in the shell, and the first guide rib is embedded in the first guide groove in a sliding manner.

Furthermore, the dust collector comprises a folded edge part which is positioned at one end of the shell close to the dust cup, and the dust cup cover is arranged on the outer side of the folded edge part; the sliding part comprises a plate-shaped sliding body and an embedding part connected with one end of the sliding body close to the locking fastener, and the first guide surface (a) is arranged on the embedding part; the sliding body and the junction of the embedding part are of a bending structure, the bending structure is matched with the shape of the folded part, and the embedding part is located on the inner side of the folded part.

Further, the slider includes the slip body and set up in the protruding muscle of the surface of slip body, the protruding muscle is followed the slip direction of slider extends, the protruding muscle is used for sliding the butt with the internal surface of casing.

Furthermore, the elastic driving part is a second spring, the dust collector comprises a second mounting structure arranged inside the shell, one end of the second spring is abutted to the inner end face of the locking piece, and the other end of the second spring is abutted to the second mounting structure.

Furthermore, the lock groove is formed in the end part of the outer end of the lock catch piece, the number of the lock tongues is two, and the two lock tongues are respectively positioned on two opposite sides of the lock groove.

Furthermore, the slide button comprises a slide button body and a second guide rib protruding inwards from the inner surface of the slide button body, the dust collector comprises a second guide groove arranged in the shell, and the second guide rib is embedded in the second guide groove in a sliding manner.

Furthermore, the slide button and the sliding piece are of an integrally formed structure.

Further, the first guide surface and the second guide surface are both wedge-shaped guide surfaces.

Further, the first guide surface faces rearward, and the slider moves rearward to drive the latch tongue to switch from the latch dust cup position to the release dust cup position.

A second aspect of an embodiment of the present invention provides a vacuum cleaner, where the vacuum cleaner includes any one of the dust cup locking structures described above, and the dust cup includes a locking hole, and the dust cup is connected to the lock tongue through the locking hole in a fitting manner.

The dust cup locking structure provided by the embodiment of the invention has a simple structure, only needs a smaller installation space, does not have parts with complex structures, is convenient to produce and manufacture, is also convenient to assemble and disassemble, and is also convenient for a user to operate; meanwhile, the sliding operation is used, so that the experience of the user can be improved.

Drawings

FIG. 1 is a schematic structural view of a vacuum cleaner according to an embodiment of the present invention, wherein a part of the structure is shown in an exploded view;

FIG. 2 is a schematic view of a portion of the vacuum cleaner of FIG. 1, wherein the dirt cup, a portion of the housing, the slide button, and the slide are omitted;

FIG. 3 is an enlarged view of a portion of the structure of FIG. 2 at A;

fig. 4 is a first structural schematic view of a slide button and a slide member according to an embodiment of the present invention, wherein an outer surface of the slide member faces upward;

fig. 5 is a second structural schematic view of the slide button and the slide member according to an embodiment of the present invention, wherein an outer surface of the slide member faces downward;

FIG. 6 is a cross-sectional view taken along a plane of symmetry of the vacuum cleaner shown in FIG. 1, wherein a portion of the main structure inside the housing is omitted; and

fig. 7 is a partially enlarged view of the structure at B in fig. 6.

Description of the reference numerals

10. Casing 12, hem 20, dirt cup 31, slide button

310. The slide button body 312, the second guide rib 32, the sliding member 32a, and the first guide surface

322. Sliding body 322a, mounting hole 323, first guide rib 324 and mounting seat

325. Convex rib 33, lock fastener 331, lock groove 332 and lock tongue

33a, a second guide surface 34, an elastic driving element 35, a resetting element 40 and a main body structure

41. First mounting structure 42, second mounting structure 43, first guide groove 44, second guide groove

50. Handle 326 and fitting part

Detailed Description

Unless otherwise specified, the terms "inside" and "outside" used in the embodiments of the present invention are relative to the structure of the vacuum cleaner itself, and "rear" in the present invention refers to a direction toward a user during normal suction and sweeping of the vacuum cleaner, and "front" refers to a direction away from the user. The extending direction of the shell refers to the extending direction of the shell along the length direction, and the extending direction of the shell and the length direction of the shell can be the same or a smaller acute angle; "radial direction of the housing" is generally perpendicular to the length direction of the housing; the "free end of the slider" is the end of the slider facing away from the slide button.

Taking fig. 6 as an example, the outside of the case in fig. 6 is "outside", the inside of the case is "inside", the left is "rear", and the right is "front"; the left-right direction is the length direction of the shell, and the up-down direction is the radial direction of the shell. The 'locking dust cup position' refers to the position of the locking tongue when the locking tongue can extend into the locking hole of the dust cup so that the dust cup cannot move relative to the shell; the "dust cup release position" refers to the position of the latch bolt when the latch bolt is withdrawn from the latch hole of the dust cup so that the dust cup can be removed from the housing.

Referring to fig. 1, 2 and 3, a vacuum cleaner according to an embodiment of the present invention includes a housing 10, a handle 50, a main structure 40 disposed inside the housing 10, a dust cup 20 and a locking structure of the dust cup. The handle 50 is provided at a corresponding position of the rear end of the housing 10 for a user to hold.

Referring to fig. 2 and 3, the main structure 40 is a main mounting structure and a connecting structure inside the housing 10, and includes a first guide groove 43, a second guide groove 44, a first mounting portion 41, a second mounting portion 42 (see fig. 7), and a folded portion 12 located at a front end of the housing 10 and bent inward, the folded portion 12 is substantially circular, the dirt cup 20 is in a semi-open structure, an open end of the dirt cup 20 is covered on an outer side of the circular front end of the folded portion 12, further, the dirt cup 20 has a locking hole (not shown), and the dirt cup 20 is detachably connected to the dirt cup locking structure through the locking hole, and is further detachably connected to the housing 10.

The dust cup locking structure in the embodiment of the invention adopts a sliding structure. Specifically, referring to fig. 1, fig. 3 and fig. 7, the dust cup locking structure includes a sliding button 31, a sliding member 32, a locking member 33, an elastic driving member 34 and a resetting member 35, wherein the sliding button 31 is slidably connected to the housing 10 and at least partially exposed on an outer surface of the housing 10 for a user to slide; the sliding part 32 is arranged in the shell 10 and is fixedly connected with the sliding button 31, and the sliding part 32 moves linearly along the extending direction of the shell 10; the locking piece 33 is matched with the sliding piece 32 and can move linearly along the radial direction of the shell 10, the outer end part of the locking piece 33 is provided with a locking tongue 332 matched with a locking hole of the dust cup 20, namely the locking tongue 332 protrudes out of the outer surface of the folded part of the shell 10, the locking piece 33 is provided with a locking groove 331, the free end of the sliding piece 32 is arranged in the locking groove 331 in a penetrating way, the free end of the sliding piece 32 is provided with a first guide surface 32a, the inner wall of the locking groove 331 is provided with a second guide surface 33a, and the locking piece 33 drives the locking tongue 332 to be switched from a dust cup locking position to a dust cup releasing position through the matching of the first guide surface 32a and the second guide surface 33 a; the resilient driving member 34 is connected to the locking member 33 to always apply an outward force to the locking member 33 in the moving direction of the locking member 33 to drive the latch tongue 332 from the dust cup releasing position to the dust cup locking position.

The embodiment of the invention can realize the locking and releasing of the dust cup 20 through the sliding button 31, the sliding part 32 and the locking part 33, has simple structure, only needs smaller installation space, has no parts with complex structures, is convenient for production, manufacture, assembly and disassembly, and is convenient for users to operate; meanwhile, the experience of the user can be improved by using sliding operation.

The slide button 31 may be configured to slide in a direction close to the user, i.e., to slide backward, during normal suction operation of the cleaner; it may also be arranged to slide away from the user, i.e. to push forwards. In this embodiment, the slide button 31 is configured to slide backwards, that is, in a direction from right to left in fig. 6, when a user uses the vacuum cleaner, four fingers of a first hand grip the handle 50 of the vacuum cleaner housing 10, meanwhile, a big finger slides the slide button 31 backwards, a second hand grips the dust cup 20, when the dust cup 20 is released, the second hand and the dust cup 20 move forwards, the moving directions of the two hands are opposite, the force-bearing feeling is opposite, the force-bearing feeling of a human body is better met, that is, the human body mechanics is better met, and the experience feeling of the user is better improved.

Referring to fig. 5, the slide button 31 includes a slide button body 310 and a second guiding rib 312 protruding inward from an inner surface of the slide button body 310, and referring to fig. 2, the second guiding rib 312 is used for cooperating with the second guiding groove 44 to guide the sliding of the slide button 31 and support the slide button 31. The outer surface of the slide button body 310 may be provided with some structure for facilitating the user's operation of the slide button 31, for example, with a protrusion or rib, etc. It can be understood that, since at least a part of the structure of the slide button body 310 is exposed on the outer surface of the housing 10, the part of the structure exposed on the outer surface of the housing 10 can play a role in limiting when sliding to abut against the housing 10, so as to prevent the slide button from sliding excessively.

The sliding member 32 is fixedly connected to the sliding button 31, specifically, the sliding button body 310, so as to drive the sliding member 32 to move synchronously through the sliding button 31, for example, an integrally formed structure, which can reduce the number of parts during assembling, further reducing the complexity of assembling. In order to make the structure compact and the position relationship of the components reasonable, the sliding member 32 is disposed close to the inner surface of the housing 10, that is, the sliding member 32 slides along the inner surface of the housing 10. Generally, the housing 10 of the vacuum cleaner is substantially circular arc-shaped, and therefore, the slider 32 may be correspondingly provided in a circular arc shape matching the shape of the corresponding inner surface of the housing 10. In this embodiment, the rear end of the sliding member 32 is connected to the sliding button body 310, and the front end of the sliding member 32 is connected to the locking member 33.

Referring to fig. 4 and 5, the sliding member 32 includes a sliding body 322, a first guiding rib 323, a mounting seat 324, a protruding rib 325, and an engaging portion 326. The slide body 322 has a substantially arc-shaped plate-like structure, and the first guide rib 323 protrudes inward from the inner surface of the slide body 322 and extends in the sliding direction of the slider 32, i.e., the front-rear direction; the main body structure 40 inside the housing 10 is provided with a first guide groove 43 at a corresponding position, and the first guide rib 323 is slidably embedded in the first guide groove 43 to provide a good guide function for the sliding of the sliding member 32. The fitting portion 326 extends from an end of the sliding body 322 close to the locking piece 33 in the longitudinal direction of the housing, i.e., extends forward, and the first guide surface 32a is provided on the fitting portion 326. The junction of the fitting part 326 and the sliding body 322 forms a bending structure, the bending structure is adapted to the shape of the hem part 12, and the fitting part 326 is located inside the hem part 12.

The first guide surface 32a is a wedge-shaped guide surface, and when the user slides the slide button 31 forward for unlocking, the first guide surface 32a faces forward; when the user slides the slide button 31 rearward in the unlocking direction, the first guide surface 32a faces rearward. Referring to fig. 4, in the present embodiment, the first guiding surface 32a faces backward, i.e. the sliding member 32 moves backward to drive the latch 332 to switch from the dirt cup locking position to the dirt cup releasing position.

The rib 325 is disposed on the outer surface of the sliding body 322 and extends along the sliding direction of the sliding member 32, and the rib 325 is used for sliding and abutting against the inner surface of the housing 10 to reduce the friction area between the sliding body 322 and the inner surface of the housing 10, reduce the sliding resistance, and reduce the noise.

Referring to fig. 5, the mounting seat 324 is disposed inside the sliding body 322 for mounting and positioning the reset element 35. Specifically, it is fixedly connected to the inner surface of the sliding body 322, for example, as a one-piece structure. The restoring member 35 is connected to the slider 32 to apply a restoring force to the slider 32 to restore the slider to the original position, so that the slider 32 is automatically restored after being slid by a user. The initial position refers to a position before the slider 32 is not operated by the user, i.e., a position when the slider 32 is normally operated, and when the slider 32 is in the initial position, the latch 332 is in the dust cup locking position. The return element 35 may be an elastic material such as a spring or a rubber band. Referring to fig. 3, in the present embodiment, the restoring element 35 is a first spring, one end of the first spring abuts against the mounting seat 324, and the other end abuts against the corresponding main body structure 40 in the housing 10. Specifically, the other end of the first spring abuts on the first mounting structure 41. The first spring may be a compression spring or an extension spring. Specifically, when the first spring is a compression spring, if the user slides the slide button 31 forward in the unlocking direction, the first mounting structure 41 is located in front of the mounting seat 324; if the user slides the slide button 31 rearward in the unlocking direction, the first mounting structure 41 is located rearward of the mounting seat 324. When the first spring is an extension spring, two ends of the first spring need to be fixedly connected with the first mounting structure 41 and the mounting seat 324 respectively; if the user slides the slide button 31 forward in the unlocking direction, the first mounting structure 41 is located behind the mounting seat 324; if the user slides the slide button 31 in a rearward direction to unlock, the first mounting structure 41 is located in front of the mounting seat 324. The rear of the sliding member 32 is relatively vacant, and the front of the sliding member 32 is provided with components such as the sliding member 32, etc., and the installation space is limited, so, referring to fig. 7, in this embodiment, the first spring is a compression spring, and the sliding button 31 is unlocked backwards by the user, so that the installation space can be effectively utilized, and the dust cup locking structure is compact in structure and reasonable in spatial layout. Further, referring to fig. 4 and 7, the mounting hole 322a is disposed at a position of the sliding body 322 corresponding to the reset piece 35, when the dust cup locking structure is assembled with the main body structure 40, the sliding button 31, the sliding piece 32 and the locking piece 33 can be firstly assembled together to be connected with the main body structure 40, and then the reset piece 35 is installed in the mounting hole 322a, so that accurate blind operation can be achieved, and finally the housing 10 above the sliding piece 32 is buckled.

Referring to fig. 7, the locking element 33 has a certain extension length, which is the same as the radial direction of the housing 10, and referring to fig. 3, the end of the locking element 33, on which the latch tongue 332 is disposed, faces outward and is the outer end; the other end is located in the housing 10 and is the inner end. The second guide surface 33a on the inner wall of the lock groove 331 of the locking piece 33 is a wedge-shaped guide surface matching the first guide surface 32a, and specifically, the second guide surface 33a is provided below the inner wall. Referring to fig. 3, the locking groove 331 is formed at the outer end of the locking element 33, the number of the locking tongues 332 is two, and the two locking tongues 332 are respectively located at two opposite sides of the locking groove 331, that is, the outer end of the locking element 33 is substantially in a "Y" shaped opening structure, so that the assembly of the sliding element 32 is facilitated, that is, the outer end of the sliding element 32 can be smoothly assembled into the locking groove 331, and the sliding element 32 can be restricted to prevent the sliding element 32 from being separated from the locking groove 331.

Referring to fig. 7, the resilient driving member 34 is connected to an inner end of the locking member 33, i.e., an end opposite to the latch tongue 332, to drive the locking member 33 to move in a radially outward direction of the housing 10. In this embodiment, the elastic driving member 34 is a second spring, one end of the second spring abuts against the inner end surface of the locking member 33, and the other end abuts against the second mounting structure 42.

The working principle and the working process of the embodiment of the invention are as follows.

When the vacuum cleaner is used normally, the dust cup 20 is connected to the housing 10, and at this time, the latch 332 is inserted into the latch hole of the dust cup 20 to latch the dust cup 20 to the housing 10. When the dust cup 20 needs to be removed, a user holds the position of the handle 50 of the housing 10 with one hand, holds the dust cup 20 with the other hand, and slides the sliding button 31 backwards with a big finger, the sliding button 31 drives the sliding part 32 to move backwards, the locking part 33 moves inwards under the action of the first guide surface 32a and the second guide surface 33a, that is, moves downwards in fig. 6, the locking tongue 332 retreats from the locking hole of the dust cup 20, the dust cup 20 is released, and the dust cup 20 is removed. After the slide button 31 is released, the sliding member 32 is moved rightwards by the reset member 35 to return to the original position before being slid, the latch members 33 are moved outwards by the elastic driving member 34, and the latch tongues 332 protrude outwards. When the dust cup 20 needs to be mounted on the housing 10 again, the sliding button 31 can be slid to retract the locking tongue 332 inward for a certain distance, and then the dust cup 20 is buckled, and the button is released again; or the latch 332 may be pressed inward in the process of fastening the dust cup 20, after the dust cup 20 is fastened in place, the latch 332 is aligned with the hole on the dust cup 20, and the latch 332 moves outward under the action of the elastic driving member 34 to be inserted into the locking hole of the dust cup 20, so as to lock the dust cup 20.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.

Claims

1. Dust cup locking structure of dust catcher, the dust catcher includes casing (10) and with dust cup (20) of casing (10) detachable connection, its characterized in that, dust cup locking structure includes:

the sliding button (31) is connected with the shell (10) in a sliding mode, and at least part of the sliding button (31) is exposed out of the outer surface of the shell (10);

the sliding piece (32), the sliding piece (32) is fixedly connected with the sliding button (31), the sliding piece (32) is arranged in the shell (10), and the sliding piece (32) moves linearly along the extending direction of the shell (10);

a locking element (33) which is matched with the sliding element (32) and moves linearly along the radial direction of the shell (10), wherein the outer end part of the locking element (33) is provided with a locking tongue (332) matched with the dust cup (20), the locking element (33) is provided with a locking groove (331), the free end of the sliding element (32) is arranged in the locking groove (331) in a penetrating way, the free end of the sliding element (32) is provided with a first guide surface (32a), the inner wall of the locking groove (331) is provided with a second guide surface (33a), and the sliding element (32) drives the locking tongue (332) to be switched from a dust cup locking position to a dust cup releasing position through the matching of the first guide surface (32a) and the second guide surface (33 a);

an elastic driving member (34), wherein the elastic driving member (34) is connected with the locking catch piece (33) to apply an outward acting force on the locking catch piece (33) along the moving direction of the locking catch piece (33) so as to drive the bolt (332) to switch from the dust cup releasing position to the dust cup locking position;

the dust collector comprises a flange part (12) which is positioned at one end of the shell (10) close to the dust cup (20), and the dust cup (20) is covered on the outer side of the flange part (12); the sliding piece (32) comprises a plate-shaped sliding body (322) and a fitting part (326) connected with one end of the sliding body (322) close to the locking piece (33), and the first guide surface (32a) is arranged on the fitting part (326); the junction of the sliding body (322) and the embedding part (326) is a bending structure, the bending structure is matched with the shape of the flanging part (12), and the embedding part (326) is positioned on the inner side of the flanging part (12).

2. The dust cup lock structure of claim 1, comprising a reset member (35), wherein the reset member (35) is connected to the sliding member (32) to drive the sliding member (32) to return to an initial position; when the sliding piece (32) is at the initial position, the bolt (332) is at the dust cup locking position.

3. The dirt cup locking structure of claim 2, wherein the sliding member (32) includes a plate-shaped sliding body (322), the reset member (35) is located inside the sliding body (322), and a mounting hole (322a) is provided in a position of the sliding body (322) corresponding to the reset member (35).

4. The dirt cup locking structure of claim 3, wherein the reset member (35) is a first spring, the vacuum cleaner includes a first mounting structure (41) disposed inside the housing (10), the slider (32) includes a mounting seat (324) disposed inside the sliding body (322), one end of the first spring abuts against the first mounting structure (41), and the other end abuts against the mounting seat (324).

5. The dirt cup locking structure of claim 1, wherein the slider (32) includes a plate-shaped slider body (322) and a first guide rib (323) protruding inward from an inner surface of the slider body (322), the first guide rib (323) extending in a sliding direction of the slider (32), and the cleaner includes a first guide groove (43) provided inside the housing (10), the first guide rib (323) being slidably fitted in the first guide groove (43).

6. The dirt cup closure of claim 1, wherein the slider (32) includes a slider body (322) and a rib (325) provided on an outer surface of the slider body (322), the rib (325) extending in a sliding direction of the slider (32), the rib (325) being adapted to slidably abut an inner surface of the housing (10).

7. The dust cup locking structure of claim 1, wherein the elastic driving member (34) is a second spring, and the vacuum cleaner includes a second mounting structure (42) disposed inside the housing (10), and one end of the second spring abuts against the inner end surface of the locking member (33) and the other end abuts against the second mounting structure (42).

8. The dust cup locking structure of claim 1, wherein the lock groove (331) is formed at an outer end of the locking piece (33), the number of the locking tongues (332) is two, and the two locking tongues (332) are respectively located at two opposite sides of the lock groove (331).

9. The dirt cup locking structure of claim 1, wherein the slide button (31) includes a slide button body (310) and a second guide rib (312) protruding inward from an inner surface of the slide button body (310), and the vacuum cleaner includes a second guide groove (44) provided inside the housing (10), and the second guide rib (312) is slidably fitted in the second guide groove (44).

10. The dirt cup locking structure of claim 1 wherein the slide button (31) and the slide member (32) are of an integrally formed construction.

11. The dirt cup closure of claim 1, wherein the first guide surface (32a) and the second guide surface (33a) are both wedge-shaped guide surfaces.

12. The dirt cup closure of any of claims 1-11 wherein the first guide surface (32a) faces rearward and the slide (32) moves rearward to actuate the latch (332) from the dirt cup locking position to the dirt cup releasing position.

13. Vacuum cleaner, characterized in that it further comprises a dust cup locking structure of the vacuum cleaner according to any of claims 1-12, the dust cup (20) comprises a locking hole, and the dust cup (20) is fittingly connected with the locking tongue (332) through the locking hole.