Locking structure of dust cup

Abstract

The utility model relates to a dust cup's locking structure, including dust cup, dust cup includes dust cup shell and cyclone air duct subassembly that can cooperate and install together, be provided with the cavity in dust cup shell, be provided with the U type clamping groove of symmetrical opening in the inside surface of dust cup shell in the cavity, one end of U type clamping groove and outer communication, and the ring structure that cyclone air duct subassembly periphery is provided with and the size of cavity corresponds, the clamping block of ring structure outside is provided with and matches and can pass through U type clamping groove and remove to the other end of U type clamping groove. The utility model is convenient to operate, and the limiting effect is good, and cyclone air duct subassembly is not easy to come off.

Description

Technical Field

[0001] This utility model belongs to the field of vacuum cleaners, specifically relating to a locking structure for a dust cup. Background Technology

[0002] Most vacuum cleaners on the market use HEPA filters for filtration. HEPA filters work by trapping airborne dust particles on the filter surface through fiber interception, inertial impaction, diffusion, and gravitational settling. Currently, most HEPA filters are inserted vertically into the dust cup, using a silicone pad to create a seal. This method of securing the filter can lead to it coming loose when emptying the dust cup, resulting in poor stability. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the prior art and provide a locking structure for a dust cup.

[0004] The technical solution adopted by this utility model to solve its technical problem is:

[0005] A dust cup locking structure includes a dust cup, characterized in that: the dust cup includes a dust cup shell and a cyclone duct assembly that can be fitted together; the dust cup shell has a cavity, and the cavity has symmetrically arranged U-shaped slots on the inner side of the dust cup shell, one end of the U-shaped slots communicating with the outside; the cyclone duct assembly includes a cyclone duct structure and a HEPA filter assembly; the HEPA filter assembly has an annular structure corresponding to the size of the cavity around its periphery, and a locking block matching the U-shaped slot and capable of moving through the U-shaped slot to the other end of the U-shaped slot is provided on the outer side of the annular structure.

[0006] Furthermore, the cavity is also equipped with symmetrical guide grooves arranged inside the dust cup shell. Within each guide groove is a pin that moves along the groove and can retract under pressure, with one end of the pin facing outwards from the cavity. A retaining ring, parallel to the annular structure, is also fitted around the periphery of the cyclone duct assembly. When the cyclone duct assembly is installed into the cavity, the lower side of the retaining ring abuts against the pin, pressing the pin back into the guide groove.

[0007] Furthermore, a dust emptying cover is hinged to one end of the dust cup housing, and one side of the dust emptying cover is connected to the dust cup housing via a push-button switch.

[0008] Compared with the prior art, this utility model has the following advantages and effects: it is easy to install and operate, has a good limiting effect, and the cyclone duct and HEPA filter are not easy to come out. Attached Figure Description

[0009] Figure 1 This is a structural schematic diagram of an embodiment of the utility model.

[0010] Figure 2 This is a schematic diagram of the structure on the other side of the embodiment.

[0011] Figure 3 This is a schematic diagram of the dust cup outer shell in the embodiment.

[0012] Figure 4 This is a schematic diagram of the cyclone duct assembly in the embodiment.

[0013] The accompanying drawings, which are provided to further illustrate this application and form part of this application, illustrate exemplary embodiments of this application and are used to explain this application, but do not constitute an undue limitation of this application. Detailed Implementation

[0014] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the specific embodiments of this utility model will be described in detail below with reference to the accompanying drawings.

[0015] Example

[0016] like Figures 1-4 As shown, this embodiment is a dust cup used in a vacuum cleaner that combines suction and blowing functions. The dust cup includes a dust cup housing 1 and a cyclone duct assembly 2 that can be installed together. The dust cup housing 1 has a cavity 11 for installing the cyclone duct assembly 2. The cavity 11 has U-shaped slots 22 that are symmetrically arranged on the inner side of the dust cup housing 1. One end of the U-shaped slots 22 communicates with the outside, and the other end of the U-shaped slots 22 is sealed.

[0017] like Figures 1-4 As shown, the cyclone duct assembly 2 includes a cyclone duct structure and a HEPA filter assembly. The HEPA filter assembly has an annular structure 23 on its periphery that corresponds to the size of the cavity 11. A locking block 24 is provided on the outer side of the annular structure 23, which matches the U-shaped slot 22 and can move through the U-shaped slot 22 to the other end of the U-shaped slot 22. When the cyclone duct assembly 2 needs to be installed in the dust cup, the locking blocks 24 on both sides are aligned with the U-shaped slot 22 and then placed into the cavity 11. After the locking blocks 24 move along the U-shaped slot 22 to the bottom of the slot, the cyclone duct assembly 2 is rotated, causing the locking blocks 24 to move along the bottom of the U-shaped slot 22 to the other side, forming a vertical limit.

[0018] like Figures 1-4As shown, a guide groove 12 symmetrically fixed to the inner side of the dust cup housing 1 is provided inside the cavity 11. A pin 13, capable of moving along the guide groove 12 and capable of contracting under force and resetting upon loss of force, is provided within the guide groove 12. The end of the pin 13 facing outwards from the cavity 11 is located outside the guide groove 12. A retaining ring 21, parallel to the annular structure 23, is also sleeved around the cyclone duct assembly 2. Specifically, when the cyclone duct assembly 2 is installed into the cavity 11, the lower side of the retaining ring 21 abuts against the pin 13. As the cyclone duct assembly 2 is further inserted into the cavity 11, the pin 13 is pressed back into the guide groove 12. When the cyclone duct assembly 2 rotates until the retaining block 24 moves to the other side, the pin 13 resets, giving the cyclone duct assembly 2 an outward force, causing the cyclone duct assembly 2 to move outwards. The retaining block 24 moves along the other end of the U-shaped groove until it abuts against the top of that end. At this time, the cyclone duct assembly 2 and the dust cup housing 1 are engaged.

[0019] like Figures 1-4 As shown, a dust cup shell 1 is hinged to one end with a dust emptying cover 9. One side of the dust emptying cover 9 is connected to the dust cup shell 1 via a button switch 10. The button switch 10 can open the dust emptying cover 9 in the closed state with one click, allowing the contents of the dust cup to be poured out from that end.

[0020] The above description in this specification is merely illustrative of the present invention. Those skilled in the art to which this invention pertains may make various modifications or additions to the described specific embodiments or use similar methods to replace them, as long as they do not depart from the content of this specification or exceed the scope defined in the claims, all of which shall fall within the protection scope of this invention.

Claims

1. A locking structure for a dust cup, comprising a dust cup, characterized in that: The dust cup includes a dust cup housing and a cyclone duct assembly that can be installed together. The dust cup housing has a cavity inside, and the cavity has symmetrical U-shaped slots on the inner side of the dust cup housing. One end of the U-shaped slots is connected to the outside. The cyclone duct assembly includes a cyclone duct structure and a HEPA assembly. The HEPA assembly has an annular structure on its periphery that corresponds to the size of the cavity. On the outer side of the annular structure, there is a locking block that matches the U-shaped slot and can move through the U-shaped slot to the other end of the U-shaped slot.

2. The locking structure of the dust cup according to claim 1, characterized in that: The cavity is also provided with guide grooves symmetrically arranged inside the dust cup shell. Inside the guide grooves are ejector pins that move along the guide grooves and can retract under force. The end of the ejector pin facing out of the cavity is located outside the guide groove.

3. The locking structure of the dust cup according to claim 1, characterized in that: The cyclone duct assembly is also fitted with retaining rings that are parallel to the annular structure on its periphery; When the cyclone duct assembly is installed into the cavity, the lower side of the retaining ring abuts against the ejector pin, pressing the ejector pin back into the guide groove.

4. The locking structure of the dust cup according to claim 1, characterized in that: A dust emptying cover is hinged to one end of the dust cup housing, and one side of the dust emptying cover is connected to the dust cup housing via a push-button switch.

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