A pre-filter fixing structure and a pet air purifier

Abstract

This utility model discloses a pre-filter fixing structure and a pet air purifier, including a pre-filter, a filter element assembly, and two fixing rods. The two fixing rods are respectively located on opposite sides of the pre-filter, and each fixing rod has a slot at both ends. The filter element assembly has a snap-fit ​​part corresponding to each slot, so that the pre-filter can be detachably fitted onto the filter element assembly. This pre-filter fixing structure provided by this utility model can reduce the amount of loose hair shaken off the pre-filter, making the pre-filter easy to install and remove.

Description

Technical Field

[0001] This utility model relates to the field of air purifier technology, and in particular to a pre-filter fixing structure and a pet air purifier. Background Technology

[0002] With the increasing number of pet-owning families, air quality issues caused by pet hair shedding have garnered widespread attention, leading to the widespread use of pet air purifiers. These purifiers can remove pet hair from the air. The loose hair entering the purifier will adhere to the pre-filter, so the pre-filter needs to be removed regularly for cleaning or replacement to prevent the loose hair from reducing the air permeability of the pre-filter and affecting the purification effect of the pet air purifier.

[0003] Existing pre-filters are usually fixed to the main filter element by Velcro. Velcro requires a certain amount of force to attach. If the force is too small, the pre-filter may not be securely fixed. If the force is too large, the hair on the pre-filter may fall off when it is removed. Utility Model Content

[0004] The technical problem to be solved by this utility model is to provide a pre-filter fixing structure and a pet air purifier to solve the problem that the pre-filter is prone to shaking when it is removed, causing loose hair to fall off.

[0005] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows: a pre-filter fixing structure, including a pre-filter, a filter element assembly and two fixing rods, the two fixing rods are respectively provided on opposite sides of the pre-filter, and both ends of the fixing rods are provided with slots. The filter element assembly is provided with a snap-fit ​​part corresponding to the slots, so that the pre-filter can be detachably fitted onto the filter element assembly.

[0006] Furthermore, the outer wall of the filter element assembly is provided with the snap-fit ​​part, the snap-fit ​​part is provided with a snap-fit ​​opening, and the snap-fit ​​groove engages with the snap-fit ​​opening.

[0007] Furthermore, the filter element assembly includes a main filter element and two end caps, the two end caps being respectively disposed at the top and bottom of the main filter element, and the snap-fit ​​portion being provided on the outer wall of the end cap.

[0008] Furthermore, the locking part has a locking slot on each of its opposite sides, and the locking slots of the two fixing rods respectively engage with the locking slots on the opposite sides of the locking part.

[0009] Furthermore, the snap-fit ​​portion includes a first part and a second part connected in sequence, with one end of the first part away from the second part connected to the outer wall of the filter element assembly, and a snap-fit ​​is formed between the first part, the second part and the outer wall of the end cap.

[0010] Furthermore, the first part engages with the slot.

[0011] Furthermore, the fixing rod includes a rod body, a third part, and a fourth part connected in sequence. The width of the fourth part and the width of the rod body are both greater than the width of the third part, so that a groove is formed between the rod body, the third part, and the fourth part.

[0012] Furthermore, the snap-fit ​​portion is provided with a snap-fit ​​opening, and the third portion engages with the snap-fit ​​opening.

[0013] Furthermore, the fixing rods are provided on both sides of the pre-filter along its length, and the length of the fixing rods is greater than the width of the pre-filter, so that the two ends of the fixing rods protrude relative to the pre-filter.

[0014] Another objective of this invention is to provide a pet air purifier, including the aforementioned pre-filter fixing structure.

[0015] The beneficial effects of this utility model are as follows: The pre-filter fixing structure provided by this utility model fixes the pre-filter to the filter element assembly through the snap-fit ​​structure of the fixing rod and the filter assembly. When the pre-filter is removed from the filter element assembly, it is not easy for the pre-filter to shake, thereby reducing the floating hair shaken off the pre-filter. In addition, the pre-filter fixing structure makes it easy to install and remove the pre-filter. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the pre-filter fixing structure described in this utility model;

[0017] Figure 2 for Figure 1 Enlarged structural diagram of section A;

[0018] Figure 3 for Figure 1 The diagram shown is a structural schematic of the pre-filter in its unfolded state.

[0019] Figure 4 for Figure 1 The exploded view of the pre-filter fixing structure shown is shown.

[0020] Figure 5 for Figure 4 Enlarged structural diagram of section B;

[0021] Figure 6 schematically shown Figure 1 The diagram shows the state of the pre-filter fixing structure during the process of removing the pre-filter.

[0022] Label Explanation:

[0023] 1. Pre-filter;

[0024] 2. Filter element assembly; 21. Snap-fit ​​part; 211. Bayonet; 212. First part; 213. Second part; 22. Main filter element; 23. End cap; 231. Positioning groove.

[0025] 3. Fixing rod; 31. Slot; 32. Rod body; 33. Third part; 34. Fourth part. Detailed Implementation

[0026] To explain in detail the technical content, objectives, and effects of this utility model, the following description is provided in conjunction with the embodiments and accompanying drawings.

[0027] Please refer to Figures 1 to 6 A pre-filter fixing structure includes a pre-filter 1, a filter element assembly 2, and two fixing rods 3. The two fixing rods 3 are respectively located on opposite sides of the pre-filter 1. Each fixing rod 3 has a slot 31 at both ends. The filter element assembly 2 has a snap-fit ​​part 21 that corresponds to the slot 31, so that the pre-filter 1 can be detachably fitted onto the filter element assembly 2.

[0028] As can be seen from the above description, the beneficial effects of this utility model are as follows: The pre-filter fixing structure provided by this utility model fixes the pre-filter 1 to the filter element assembly 2 through the snap-fit ​​structure between the fixing rod 3 and the filter assembly 2. When the pre-filter 1 is removed from the filter element assembly 2, it is not easy for the pre-filter 1 to shake, thereby reducing the floating hair shaken off the pre-filter 1. In addition, the pre-filter fixing structure makes it easy to install and remove the pre-filter 1.

[0029] Furthermore, the outer wall of the filter element assembly 2 is provided with the snap-fit ​​part 21, the snap-fit ​​part 21 is provided with a snap-fit ​​opening 211, and the snap-fit ​​groove 31 is snapped into the snap-fit ​​opening 211.

[0030] As can be seen from the above description, the snap-fit ​​structure of the pre-filter fixing structure has good fixation.

[0031] Furthermore, the filter element assembly 2 includes a main filter element 22 and two end caps 23, the two end caps 23 being respectively disposed at the top and bottom of the main filter element 22, and the snap-fit ​​portion 21 being provided on the outer wall of the end cap 23.

[0032] As described above, the slots 31 at both ends of the fixing rod 3 are respectively engaged with the locking parts 21 of the two end caps 23 to ensure the fixing effect of the pre-filter 1.

[0033] Furthermore, the latching part 21 is provided with latches 211 on both sides opposite to each other, and the latches 31 of the two fixing rods 3 are respectively latched with the latches 211 on both sides opposite to each other of the latching part 21.

[0034] As can be seen from the above description, in some embodiments the main filter element 22 is a cylindrical filter element, and the snap-fit ​​part 21 has snap-fit ​​openings 211 on both sides opposite to each other, so that the pre-filter screen 1 can be cylindrically sleeved on the main filter element 22 under the fixing action of the protrusion and the slot 31.

[0035] Furthermore, the snap-fit ​​portion 21 includes a first portion 212 and a second portion 213 connected in sequence. The end of the first portion 212 away from the second portion 213 is connected to the outer wall of the filter element assembly 2, and a snap-fit ​​211 is formed between the outer walls of the first portion 212, the second portion 213 and the end cap 23.

[0036] As can be seen from the above description, the snap-fit ​​part 21 has a simple structure and is easy to manufacture and promote.

[0037] Furthermore, the first portion 212 is engaged with the slot 31.

[0038] As can be seen from the above description, the pre-filter fixing structure has a good fixing effect.

[0039] Furthermore, the fixing rod 3 includes a rod body 32, a third part 33, and a fourth part 34 connected in sequence. The width of the fourth part 34 and the width of the rod body 32 are both greater than the width of the third part 33, so that a groove 31 is formed between the rod body 32, the third part 33, and the fourth part 34.

[0040] As can be seen from the above description, the fixed rod 3 has a simple structure and is easy to manufacture and promote.

[0041] Furthermore, the latching part 21 is provided with a latch 211, and the third part 33 is fitted with the latch 211.

[0042] As can be seen from the above description, the pre-filter fixing structure has a good fixing effect.

[0043] Furthermore, the pre-filter 1 is provided with fixing rods 3 on both sides along its length. The length of the fixing rods 3 is greater than the width of the pre-filter 1, so that the two ends of the fixing rods 3 protrude relative to the pre-filter 1.

[0044] As described above, the part of the fixing rod 3 that protrudes from the pre-filter 1 can form a handle, so that the user can remove the pre-filter 1 from the filter element assembly 2 through the handle, thus avoiding direct contact between the user and the animal hair.

[0045] Another objective of this invention is to provide a pet air purifier, including the aforementioned pre-filter fixing structure.

[0046] As can be seen from the above description, pet air purifiers have at least all the beneficial effects of the aforementioned pre-filter fixing structure.

[0047] Example 1

[0048] Please refer to Figures 1 to 6 The first embodiment of this utility model is: a pre-filter fixing structure, including a pre-filter 1, a filter element assembly 2 and two fixing rods 3. The two fixing rods 3 are respectively provided on opposite sides of the pre-filter 1. Both ends of the fixing rods 3 are provided with slots 31. The filter element assembly 2 is provided with a snap-fit ​​part 21 corresponding to the slots 31, so that the pre-filter 1 can be detachably fitted onto the filter element assembly 2.

[0049] Pet air purifiers purify pet hair in the air. Pet hair typically adheres to the pre-filter 1, requiring frequent replacement, disassembly, and cleaning. Currently, the pre-filter 1 is secured to the main filter 22 with a large area of ​​Velcro. While this ensures the pre-filter 1's stability, the large Velcro area makes it prone to shaking during disassembly, causing the pet hair to fall off.

[0050] The pre-filter fixing structure provided in this embodiment has a snap-fit ​​part 21 on the filter assembly, and fixing rods 3 on both sides of the pre-filter 1. The fixing rods 3 have slots 31 at both ends, so that the pre-filter 1 and the filter element assembly 2 are snapped and fixed through the slots 31 and the snap-fit ​​part 21. When removing the pre-filter 1, only the slots 31 and the snap-fit ​​part 21 need to be separated, which does not easily cause the pre-filter 1 to shake. In addition, during the removal of the pre-filter 1, the user only needs to operate the fixing rods 3. The fixing rods 3 are fixed to the side edge of the pre-filter 1, which can fix the pre-filter 1 to a certain extent and further prevent the pre-filter 1 from shaking during the removal process, thereby reducing the loose hair shaken off the pre-filter 1.

[0051] Please refer to Figure 2 The outer wall of the filter element assembly 2 is provided with a snap-fit ​​part 21, and the snap-fit ​​part 21 is provided with a snap-fit ​​opening 211, and the slot 31 snaps into the snap-fit ​​opening 211.

[0052] In this embodiment, the snap-fit ​​portion 21 includes a first part 212 and a second part 213 connected in sequence. The end of the first part 212 away from the second part 213 is connected to the outer wall of the filter element assembly 2. A snap-fit ​​opening 211 is formed between the outer walls of the first part 212, the second part 213, and the end cap 23. In some embodiments, the snap-fit ​​portion 21 is T-shaped when projected vertically. In this embodiment, the main filter element 22 is a cylindrical filter element, and snap-fit ​​openings 211 are provided on both opposite sides of the snap-fit ​​portion 21 so that the pre-filter screen 1 can be cylindrically fitted onto the main filter element 22 under the fixing action of the protrusion and the slot 31.

[0053] In detail, the filter element assembly 2 includes a main filter element 22 and two end caps 23. The two end caps 23 are respectively located at the top and bottom of the main filter element 22, and the outer wall of the end cap 23 is provided with a snap-fit ​​part 21.

[0054] In this embodiment, the end cap 23 is an annular end cap 23, and a protrusion is provided on the outer peripheral wall of the annular end cap 23. Preferably, the end cap 23 is provided with a positioning groove 231, and the main filter element 22 is disposed in the positioning groove 231, so that the pre-filter 1 and the main filter element 22 can be positioned and installed to ensure the filtration effect of the pre-filter 1.

[0055] In this embodiment, fixing rods 3 are provided on both sides of the pre-filter 1 along its length. The length of the fixing rods 3 is greater than the width of the pre-filter 1, so that the two ends of the fixing rods 3 protrude relative to the pre-filter 1, and the protruding parts of the fixing rods 3 and the pre-filter 1 respectively form a handle, so that the user can install or remove the pre-filter 1 through the handle.

[0056] Please refer to Figure 3 and Figure 4 The fixing rod 3 includes a rod body 32, a third part 33, and a fourth part 34 connected in sequence. The width of the fourth part 34 and the width of the rod body 32 are both greater than the width of the third part 33, so that a groove 31 is formed between the rod body 32, the third part 33, and the fourth part 34. The fourth part 34 can be used as a handle, allowing the user to install or remove the pre-filter 1 through the fourth part 34, thereby avoiding contact between the user's hands and the pre-filter 1.

[0057] In this embodiment, when the card slot 31 and the card engaging part 21 are engaged, the first part 212 is fitted with the card slot 31 and the third part 33 is fitted with the card opening 211.

[0058] Please refer to further details. Figure 2In this embodiment, the pre-filter 1 is installed by first engaging the slot 31 of one fixing rod 3 with the engaging part 21 on the protrusion side of the end cover 23, then making the pre-filter 1 surround the main filter element 22, and engaging the slot 31 of the other fixing rod 3 with the engaging part 21 on the other side of the protrusion of the end cover 23, so as to fix the pre-filter 1 and the filter element assembly 2.

[0059] In this embodiment, when the pre-filter 1 is fixed to the filter element assembly 2, the filter element assembly 2, one fixing rod 3, and another fixing rod 3 are sequentially arranged in the vertical projection of the pre-filter fixing structure. When removing the pre-filter 1 from the filter element assembly 2, the user can first remove the other fixing rod 3 located on the outside, and then... Figure 6 As shown, the hairy part of the pre-filter 1 is rolled inward or folded to the position of a fixing rod 3, and then the fixing rod 3 is removed, which can further prevent the loose hair of the pre-filter 1 from falling off.

[0060] In summary, the pre-filter fixing structure provided by this utility model fixes the pre-filter 1 to the filter element assembly 2 through the snap-fit ​​structure between the fixing rod 3 and the filter assembly 2. When the pre-filter 1 is removed from the filter element assembly 2, it is not easy for the pre-filter 1 to shake, thereby reducing the floating hair shaken off the pre-filter 1, making the pre-filter 1 easy to install and remove.

[0061] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent modifications made based on the content of this utility model specification and drawings, or direct or indirect applications in related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A prefilter screen fixing structure characterized by comprising: The filter includes a pre-filter, a filter element assembly, and two fixing rods. The two fixing rods are respectively located on opposite sides of the pre-filter. Each fixing rod has a slot at both ends. The filter element assembly has a snap-fit ​​part that corresponds to each slot, so that the pre-filter can be detachably fitted onto the filter element assembly.

2. The prefilter screen fixation structure according to claim 1, wherein The outer wall of the filter element assembly is provided with the snap-fit ​​part, the snap-fit ​​part is provided with a snap-fit ​​opening, and the snap-fit ​​groove engages with the snap-fit ​​opening.

3. The prefilter screen fixation structure according to claim 2, wherein The filter assembly includes a main filter element and two end caps, which are respectively located at the top and bottom of the main filter element, and the outer wall of the end caps is provided with the snap-fit ​​portion.

4. The prefilter screen fixation structure according to claim 2, wherein The locking part has a locking slot on each of its opposite sides, and the locking slots of the two fixing rods respectively engage with the locking slots on the opposite sides of the locking part.

5. The prefilter screen securing structure of claim 2, wherein The snap-fit ​​portion includes a first part and a second part connected in sequence. The end of the first part away from the second part is connected to the outer wall of the filter element assembly, and a snap-fit ​​is formed between the first part, the second part and the outer wall of the end cap.

6. The prefilter screen fixation structure according to claim 5, wherein The first part fits into the slot.

7. The prefilter screen securing structure of claim 1, wherein The fixing rod includes a rod body, a third part, and a fourth part connected in sequence. The width of the fourth part and the width of the rod body are both greater than the width of the third part, so that a groove is formed between the rod body, the third part, and the fourth part.

8. The prefilter screen fixation structure according to claim 7, wherein The snap-fit ​​portion is provided with a snap-fit ​​opening, and the third portion is fitted into the snap-fit ​​opening.

9. The pre-filter fixing structure according to claim 1, characterized in that, The pre-filter is provided with fixing rods on both sides along its length. The length of the fixing rods is greater than the width of the pre-filter, so that the two ends of the fixing rods protrude relative to the pre-filter.

10. A pet air purifier characterized by comprising: Includes the pre-filter fixing structure as described in any one of claims 1 to 9.

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