Filter element assembly of vehicle-mounted dust collector
By using a sponge ring and sponge wiping tooth structure in the car vacuum cleaner filter assembly, the problem of inconvenient cleaning of the inner filter membrane is solved, achieving efficient dust removal and improved filtration effect.
Patent Information
- Application Number
- CN202521001892.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-21
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-05-21
AI Technical Summary
Existing car vacuum cleaner internal filter membranes are inconvenient to clean by wiping away dust, and the pleated internal filter membranes result in poor filtration performance.
Design a car vacuum cleaner filter assembly that uses a sponge ring to drive sponge wiping teeth to move along the length of a V-shaped pleated membrane strip, combined with a support ring and an elastic ring, to achieve effective wiping and sealing of the inner filter membrane.
It improves the dust removal efficiency and filtration effect of the internal filter membrane, ensuring that the filter membrane structure stability and airflow sealing are not affected during the wiping process.
Smart Images

Figure CN223944351U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to dust collector filter element technical field, specifically is a kind of vehicle-mounted dust collector filter element assembly. BACKGROUND
[0002] The dust collecting cavity of vehicle-mounted dust collector is installed filter element assembly, and good dust filtering effect can be realized.The filter element assembly is generally composed of outer filter screen for filtering large particle substances and inner filter membrane for filtering small particle substances.The existing inner filter membrane is usually creased inner filter membrane to improve the contact area and increase the filtering effect.
[0003] The inner filter membrane needs to be cleaned after being used for a period of time, and the existing cleaning method is usually water flushing, which can clean the inner filter membrane thoroughly.However, since the inner filter membrane is adsorbed with a large number of small dust particles, which are relatively dense, the inner filter membrane can be wiped before being flushed to improve the flushing efficiency and effect.The creased inner filter membrane is inconvenient to wipe, and the utility model provides a vehicle-mounted dust collector filter element assembly to solve the above problems. UTILITY MODEL CONTENTS
[0004] In view of the above technical deficiencies, the utility model aims to provide a vehicle-mounted dust collector filter element assembly, when wiping dust, pull the sponge ring to drive a plurality of sponge wiping teeth to move along the length direction of V-shaped creased membrane strip to effectively wipe dust, and solve the technical problems in the background art.
[0005] To solve the above technical problems, the utility model adopts the following technical scheme: the utility model provides a vehicle-mounted dust collector filter element assembly, which comprises: an outer filter screen and an inner filter membrane installed on a bottom cover, the inner filter membrane is a circular truncated cone tube membrane formed by connecting the heads and tails of a plurality of V-shaped creased membrane strips, the narrow end of the inner filter membrane is installed on the inner bottom surface of a top cover, the wide end of the inner filter membrane is installed on the inner bottom surface of the bottom cover, and a dust cleaning assembly is installed on the outer side of the wide part of the inner filter membrane.
[0006] The dust cleaning assembly comprises a sponge ring, a plurality of sponge wiping teeth are evenly arranged on the inner side of the sponge ring, the sponge ring is sleeved on the outer side of the inner filter membrane, V-shaped grooves are formed between adjacent two V-shaped creased membrane strips, and the sponge wiping teeth are interference-fitted in the V-shaped grooves.
[0007] Preferably, a support ring is fixedly installed on the inner bottom surface of the bottom cover, the support ring is a circular truncated cone ring formed by connecting the heads and tails of a plurality of V-shaped pieces, and the wide end of the inner filter membrane is matched and installed on the outer side of the support ring.
[0008] Preferably, an elastic ring is installed on the outer side of the sponge ring, the outer side of the sponge ring is connected to the inner side of the elastic ring at positions corresponding to the sponge wiping teeth through adhesion, and the sponge ring is tightly bound to the outer side of the wide part of the inner filter membrane under the elastic force of the elastic ring, and the elastic ring corresponds to the support ring.
[0009] Preferably, the narrow end of the inner filter membrane is integrally connected with the bottom membrane, so that the inner filter membrane forms a cylinder, and the inner filter membrane is installed on the inner bottom surface of the top cover.
[0010] Preferably, the outer filter mesh is arranged outside the inner filter membrane, and the open end of the outer filter mesh is installed on the inner bottom surface of the bottom cover.
[0011] The utility model discloses the beneficial effect lies in:
[0012] 1. The utility model discloses when the dust cleaning assembly does not carry out the erasing, keeps installing the wide mouth part outside the inner filter membrane, realizes the sealing of the wide end and bottom cover contact position of inner filter membrane, improves the filtering effect, when carrying out the dust cleaning, pulls the sponge ring and drives several sponge teeth, removes along the V type corrugated membrane strip length direction, realizes effective dust removal, because the dust cleaning assembly is composed of the sponge material, can adapt to the change of V type groove width, under the premise of not influencing the shape structure of V type corrugated membrane strip, the interference sponge tooth produces certain pressure to both sides V type corrugated membrane strip, is favorable to the dust removal, and convenient and practical.
[0013] 2. The utility model discloses the narrow end of the inner filter membrane is integrally connected with the bottom membrane, and the sealing of the wide mouth part contact position of sponge ring and sponge tooth simultaneously, realizes the effective filtering of all through the air flow, and the filtering effect is better.
[0014] 3. The utility model discloses the wide mouth part of the inner filter membrane is completely matched with the outside of the supporting ring, and the shape stability of the inner filter membrane is kept by paper support, and the sponge ring is tightly bound on the wide part outside the inner filter membrane under the elastic force of the elastic ring, and the elastic ring corresponds to the supporting ring, so that the stability of the dust cleaning assembly during the erasing is ensured. ACCURATE DRAWINGS
[0015] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without paying creative labor.
[0016] Figure 1 The utility model provides a kind of structure schematic diagram of filter core assembly of vehicle-mounted dust collector for the embodiment of the utility model.
[0017] Figure 2 For Figure 1 Vertical sectional view.
[0018] Figure 3 For Figure 2 Enlarged view of A in Fig.
[0019] Figure 4This is a schematic diagram of the structure in this embodiment where the internal filter membrane and the dust removal assembly are installed on the bottom cover.
[0020] Figure 5 for Figure 4 The left view.
[0021] Figure 6 for Figure 5 Sectional view of AA.
[0022] Figure 7 This is a schematic diagram of the internal filter membrane and the dust removal assembly installed together in this embodiment.
[0023] Figure 8 This is a schematic diagram of the structure of the dust removal component in this embodiment.
[0024] Figure 9 This is a schematic diagram of the support ring installed on the bottom cover in this embodiment.
[0025] Explanation of reference numerals in the attached drawings: 1-bottom cover, 2-outer filter screen, 3-inner filter membrane, 31-V-shaped pleated membrane strip, 311-V-shaped groove, 32-bottom membrane, 4-top cover, 51-sponge ring, 52-sponge wiping teeth, 53-elastic ring, 6-support ring, 61-V-shaped sheet. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Example 1:
[0028] like Figures 1 to 9 As shown, this embodiment provides a vehicle vacuum cleaner filter assembly, including: an outer filter 2 and an inner filter membrane 3 installed on a bottom cover 1. Specifically, the outer filter 2 is sleeved on the outside of the inner filter membrane 3, and the open end of the outer filter 2 is installed on the inner bottom surface of the bottom cover 1. The outer filter 2 can be installed on the bottom cover 1 by means of threaded connection or snap-fit, etc. The outer filter 2 is generally a diamond mesh, used to filter out large particulate matter. The inner filter membrane 3 is a frustum-shaped tube membrane formed by connecting several V-shaped pleated membrane strips 31 end to end; the narrow end of the inner filter membrane 3 is installed on the inner bottom surface of the top cover 4, and the wide end of the inner filter membrane 3 is installed on the inner bottom surface of the bottom cover 1; the airflow direction is from the narrow end of the inner filter membrane 3 to the wide end of the inner filter membrane 3, and the air passing through the inner filter membrane 3 achieves effective filtration of small molecular particles.
[0029] Please see Figures 3 to 8As shown, the inner filter membrane 3 is installed with a dust cleaning assembly outside the wide part, the dust cleaning assembly includes a sponge ring 51, the sponge ring 51 is uniformly provided with sponge teeth 52 connected integrally inside, the sponge ring 51 is sleeved outside the inner filter membrane 3, the V-shaped groove 311 is formed between the two adjacent V-shaped pleated membrane strips 31, the sponge teeth 52 are installed in the V-shaped groove 311 in interference, the cross-sectional size of the sponge teeth 52 is slightly larger than the cross-sectional size of the V-shaped groove 311, interference installation is realized, and dust outside the V-shaped pleated membrane strip 31 can be effectively wiped. In actual use, when the dust cleaning assembly does not wipe, it is kept installed outside the wide part of the inner filter membrane 3, the sealing of the wide end of the inner filter membrane 3 and the contact position of the bottom cover 1 is realized, and the filtering effect is improved; when wiping dust, the sponge ring 51 drives the plurality of sponge teeth 52 to move along the length direction of the V-shaped pleated membrane strip 31, and effective dust wiping is realized. Since the dust cleaning assembly is made of sponge material, it can adapt to the change of the width of the V-shaped groove 311, and under the premise of not affecting the shape structure of the V-shaped pleated membrane strip 31, the interference sponge teeth 52 generate a certain pressure on the V-shaped pleated membrane strips 31 on both sides, which is beneficial to wiping dust and convenient and practical.
[0030] Please refer to Figure 6 and Figure 9 As shown, the bottom cover 1 is fixedly installed with a support ring 6 on the inner bottom surface, the support ring 6 is a circular truncated cone ring formed by connecting the plurality of V-shaped sheets 61 at the head and tail, and the wide end of the inner filter membrane 3 is matched and installed outside the support ring 6. In fact, the inner side of the wide end of the inner filter membrane 3 is completely matched with the outer side of the support ring 6, and the shape stability of the inner filter membrane 3 is maintained by supporting with paper.
[0031] Please refer to Figures 7 to 8 As shown, the sponge ring 51 is installed with an elastic ring 53 outside, and the sponge ring 51 is connected with the inner side of the elastic ring 53 at the position corresponding to the sponge teeth 52 outside by adhesion; only the sponge ring 51 is adhesively connected with the elastic ring 53 at the position of the sponge teeth 52, and the remaining positions are not adhesively connected, so that when the sponge ring 51 moves to different width positions of the inner filter membrane 3, the sponge teeth 52 can be relatively stably located in the V-shaped groove 311; under the elastic force of the elastic ring 53, the sponge ring 51 is tightly bound outside the wide part of the inner filter membrane 3, and the elastic ring 53 corresponds to the support ring 6, so as to ensure the stability of the dust cleaning assembly during wiping.
[0032] Example two:
[0033] Please refer to Figure 7As shown, on the basis of reserving all the technical features in the first embodiment, the narrow mouth end of the inner filter membrane 3 is integrally connected with the bottom membrane 32, so that the inner filter membrane 3 forms a cylindrical shape, and the inner filter membrane 3 is installed on the inner bottom surface of the top cover 4; the existing product has both ends of the inner filter membrane 3 being open, and then the two ends are installed on the inner bottom surface of the bottom cover 1 and the inner bottom surface of the top cover 4 through gluing; in this way, the inner filter membrane 3 is prone to air leakage at both ends due to the wrinkle shape, which leads to ineffective filtering; and in the embodiment, the narrow mouth end of the inner filter membrane 3 is integrally connected with the bottom membrane 32, and the sponge ring 51 and the sponge teeth 52 seal the contact position of the wide mouth end, so that the air flow is effectively filtered, and the filtering effect is better.
[0034] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. A car vacuum cleaner filter assembly, characterized in that, include: An outer filter screen (2) and an inner filter membrane (3) are installed on the bottom cover (1). The inner filter membrane (3) is a frustum-shaped tube membrane formed by connecting several V-shaped pleated membrane strips (31) end to end. The narrow end of the inner filter membrane (3) is installed on the inner bottom surface of the top cover (4), and the wide end of the inner filter membrane (3) is installed on the inner bottom surface of the bottom cover (1). A dust removal component is installed on the outer side of the wide part of the inner filter membrane (3). The dust removal assembly includes a sponge ring (51), and sponge wiping teeth (52) are evenly distributed on the inner side of the sponge ring (51). The sponge ring (51) is sleeved on the outer side of the inner filter membrane (3). A V-shaped groove (311) is formed between two adjacent V-shaped pleated membrane strips (31), and the sponge wiping teeth (52) are interference-fitted into the V-shaped groove (311).
2. The vehicle vacuum cleaner filter assembly as described in claim 1, characterized in that, The bottom cover (1) has a support ring (6) fixedly installed on its inner bottom surface. The support ring (6) is a frustum ring formed by connecting several V-shaped pieces (61) end to end. The wide end of the inner filter membrane (3) is matched and installed on the outside of the support ring (6).
3. The vehicle vacuum cleaner filter assembly as described in claim 2, characterized in that, An elastic ring (53) is installed on the outside of the sponge ring (51). The outer side of the sponge ring (51) is connected to the inner side of the elastic ring (53) by adhesive at the position corresponding to the sponge rubbing teeth (52). Under the action of the elastic force of the elastic ring (53), the sponge ring (51) is tightly bound to the outer side of the inner filter membrane (3), and the elastic ring (53) corresponds to the support ring (6).
4. A vehicle vacuum cleaner filter assembly as described in claim 3, characterized in that, The narrow end of the inner filter membrane (3) is integrally connected to the bottom membrane (32), so that the inner filter membrane (3) forms a cylindrical shape, and the inner filter membrane (3) is installed on the inner bottom surface of the top cover (4).
5. A vehicle vacuum cleaner filter assembly as described in claim 4, characterized in that, The outer filter (2) is sleeved on the outside of the inner filter membrane (3), and the open end of the outer filter (2) is installed on the inner bottom surface of the bottom cover (1).