Clamping plate assembly and dust collection bag

Abstract

The utility model aims to disclose a clamping plate assembly and a dust collection bag, and relates to the technical field of dust collection bags for dust collectors and sweeping robots, and a first plastic clamping piece and a second plastic clamping piece are connected through a crease; an air inlet hole is formed in the middle of the first plastic clamping piece, and a positioning column is arranged on the first middle limiting part; the second plastic clamping piece comprises a second middle limiting part and a shielding piece, the shielding piece shields the air inlet hole, an insertion hole is formed in the end of the second middle limiting part, and the second middle limiting part is matched with the first middle limiting part in a clamped mode; the first end of the metal elastic piece is a Z-shaped bent piece, the Z-shaped bent piece is inserted into the inserting hole and is provided with a round hole matched with the positioning column, the second end of the metal elastic piece is a V-shaped bent piece, and the second end of the metal elastic piece abuts against the shielding piece. Low-cost manufacturing can be realized, and the metal elastic sheet is convenient to install.

Description

Technical Field

[0001] The utility model relates to the technical field of dust collecting bags for vacuum cleaners and sweeping robots, in particular to a cardboard assembly and a dust collecting bag. Background Art

[0002] The card plate assembly is a snap-fit ​​structure between the dust bag and the vacuum cleaner, with one end facing the dust bag and the other end facing the air intake of the vacuum cleaner, ultimately collecting impurities such as paper scraps and dust into the dust bag.

[0003] There are currently two types of pallet assemblies: plastic pallets and paper pallets. When making plastic pallets, the indispensable parts of the plastic pallets are the air inlet and the shielding sheet. The purpose of the shielding sheet is to open when vacuuming and close when vacuuming stops, so one end of the shielding sheet needs to be fixed by an elastic material and a plastic clip. At present, the shielding sheet and the plastic pallet are made of different materials. During molding, it is necessary to mold both the plastic pallet and the shielding sheet. The sources of the materials are different, and the fixing structure and fixing process of the two will increase the manufacturing cost of the plastic pallet. For example, in the disclosed patent CN219835552U, the shielding sheet is installed on the plastic pallet through a positioning column. There is a defect that the plastic pallet cannot be made of the same material and molded in one piece, that is, the manufacturing cost is high.

[0004] In view of this, it is necessary to develop a cardboard assembly and a dust collecting bag to overcome the above-mentioned defects. Summary of the invention

[0005] In order to solve the above technical problems, the purpose of the utility model is to disclose a cardboard assembly and a dust collecting bag.

[0006] The first invention objective of the utility model is to develop a card board assembly.

[0007] The second invention object of the utility model is to develop a dust collecting bag.

[0008] To achieve the above first invention objective, the utility model provides a cardboard assembly, including a first plastic card component, a second plastic card component and a metal spring, wherein the first plastic card component and the second plastic card component are connected by a fold;

[0009] The first plastic card has an air inlet hole in the middle, and the first plastic card includes a dust bag adhesive surface, an air inlet surface, a handle portion, and a first middle limiting portion, and a positioning column is provided in the first middle limiting portion;

[0010] The second plastic card comprises a second middle limiting portion and a shielding sheet, wherein the shielding sheet shields the air inlet hole, an insertion hole is arranged at the end of the second middle limiting portion, and the second middle limiting portion and the first middle limiting portion are in a snap-fitting manner;

[0011] The first end of the metal spring sheet is a Z-shaped bending sheet, which is inserted into the insertion hole and has a round hole that cooperates with the positioning column. The second end of the metal spring sheet is a V-shaped bending sheet, and the second end of the metal spring sheet abuts against the shielding sheet.

[0012] Preferably, a first limiting portion and a second limiting portion are respectively provided on both sides of the first middle limiting portion.

[0013] Preferably, the positioning column and the first plastic card are integrally formed.

[0014] Preferably, the first plastic card component and the second plastic card component are integrally formed.

[0015] Preferably, the metal spring is a stainless steel spring, and the thickness of the metal spring is 0.05 mm-0.2 mm;

[0016] The Z-shaped bending sheet is provided with a first bending angle and a second bending angle, wherein the first bending angle is 70°-120°, and the second bending angle is 45°-95°;

[0017] The V-shaped bending piece is provided with a third bending angle, and the third bending angle is 80°-120°.

[0018] Preferably, a sealing ring is provided at the air inlet end of the air inlet hole, and the sealing ring is arranged concentrically with the air inlet hole.

[0019] Preferably, arc-shaped protrusions are symmetrically arranged on the sealing ring.

[0020] Preferably, a plurality of hollow portions are respectively provided on the handle portion, the first limiting portion and the second limiting portion.

[0021] Preferably, there is a clearance fit between the positioning column and the circular hole.

[0022] Based on the same inventive principle, in order to achieve the above-mentioned second inventive purpose, the utility model provides a dust collecting bag, in which the adhesive surface of the dust collecting bag of the cardboard assembly as described in the first invention is adhered to the dust collecting bag, and the dust collecting bag is provided with a dust inlet, and the dust inlet is aligned with the air inlet hole of the cardboard assembly as described in the first invention.

[0023] Compared with the prior art, the technical effects of the utility model are as follows:

[0024] The first plastic card and the second plastic card of the card board assembly are made of the same material and are integrally formed. The first plastic card and the second plastic card are connected by a crease. After folding with the crease as the folding line, the first plastic card and the second plastic card are snapped together, and the shielding plate just covers the air inlet. The advantage of integral forming is that it can achieve low-cost manufacturing, and the same material also makes the recycling and reuse of the card board assembly more environmentally friendly. In addition, when folding the first plastic card and the second plastic card, the first end of the metal spring is simultaneously snapped between the first plastic card and the second plastic card. The installation of the metal spring is also very convenient. The second end of the metal spring is against the shielding plate. During the vacuuming process of the dust bag, the shielding plate overcomes the resistance of the metal spring and opens. When the dust bag is not working, the shielding plate closes and blocks the air inlet under the elastic force of the metal spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the folding front card board assembly of the utility model.

[0027] Figure 2 It is a schematic diagram of the three-dimensional structure of the card board assembly after folding of the utility model.

[0028] Figure 3 It is a schematic diagram of the three-dimensional structure of the card board assembly after folding of the utility model.

[0029] Figure 4 It is a three-dimensional structural schematic diagram of the folding front card board assembly of the utility model.

[0030] Figure 5 It is a schematic diagram of the three-dimensional structure of the card board assembly after folding of the utility model.

[0031] Figure 6 This utility model Figure 3 Schematic cross-sectional view at dotted line A.

[0032] Figure 7 It is a schematic diagram of the matching structure of the card board assembly and the dust collecting bag of the utility model.

[0033] Among them, 1. first plastic card; 11. dust bag bonding surface; 12. air inlet surface; 13. handle; 14. first middle limit part; 15. first limit part; 16. second limit part; 2. second plastic card; 21. second middle limit part; 211. plug-in hole; 22. shielding plate; 3. metal spring; 31. Z-shaped bending plate; 311. round hole; 32. V-shaped bending plate; 4. crease; 5. air inlet; 6. hollow part; 7. sealing ring; 71. arc-shaped protrusion; 8. dust bag; 81. dust inlet; a. first bending angle; b. second bending angle; c. third bending angle. DETAILED DESCRIPTION

[0034] The present invention is described in detail below in conjunction with the various embodiments shown in the accompanying drawings, but it should be noted that these embodiments are not limitations of the present invention, and any equivalent transformations or substitutions in functions, methods, or structures made by ordinary technicians in the field based on these embodiments are all within the scope of protection of the present invention.

[0035] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0036] Example 1

[0037] Ginseng Figures 1 to 6 As shown, this embodiment discloses a specific implementation of a card board assembly.

[0038] Pallet assembly, reference Figures 1 to 6 As shown, it includes a first plastic card 1, a second plastic card 2 and a metal spring 3. The first plastic card 1 and the second plastic card 2 are integrally formed. The metal spring 3 is a stainless steel spring. The thickness of the metal spring 3 is 0.05mm-0.2mm. The first plastic card 1 and the second plastic card 2 are connected by a crease 4. The crease connection means that the connection between the two is very thin and easy to fold. The crease 4 refers to Figure 1The dotted line is shown; the middle part of the first plastic card 1 has an air inlet hole 5, and the first plastic card 1 includes a dust bag adhesive surface 11, an air inlet surface 12, a handle portion 13 and a first middle limiting portion 14, and a positioning column 141 is arranged on the first middle limiting portion 14, and the positioning column 141 and the first plastic card 1 are integrally formed; the second plastic card 2 includes a second middle limiting portion 21 and a shielding piece 22, and the shielding piece 22 shields the air inlet hole 5, and an insertion hole 211 is arranged at the end of the second middle limiting portion 21, and the second middle limiting portion 21 and the first middle limiting portion 14 are snap-fitted; the first end of the metal spring 3 is a Z-shaped bending piece 31, and the Z-shaped bending piece 31 is inserted into the insertion hole 211 and has a circular hole 311 that cooperates with the positioning column 141, and the second end of the metal spring 3 is a V-shaped bending piece 32, and the second end of the metal spring is against the shielding piece 22.

[0039] Specifically, Figure 1 is a schematic diagram of the first plastic card 1 and the second plastic card 2 being unfolded, Figure 2 1 is a schematic diagram of a first plastic card 1 and a second plastic card 2 after being folded; the first plastic card 1 and the second plastic card 2 are made of the same material and are integrally formed, that is, they are prepared by one mold and one-time injection molding. The first plastic card 1 and the second plastic card 2 are connected by a crease 4. After folding with the crease 4 as a folding line, the first plastic card 1 and the second plastic card 2 are clamped together, and the concave and convex parts are matched together, and the shielding sheet 22 just shields the air inlet 5. The advantage of integral molding is that it can achieve low-cost manufacturing, and the same material also makes the recycling and reuse of the card assembly more environmentally friendly (different materials need to be disassembled and recycled separately) In addition, when folding the first plastic card 1 and the second plastic card 2, the first end of the metal spring 3, namely the Z-shaped bending piece 31, is inserted into the insertion hole 211 synchronously, and the Z-shaped bending piece 31 is clamped between the first plastic card 1 and the second plastic card 2 through the round hole 311 and cooperates with the positioning column 141. At the same time, the second end of the metal spring 3 is the V-shaped bending piece 32 extending and abutting against the shielding piece 22, so that the metal spring 3 can be quickly installed. During the vacuuming process of the dust bag, the shielding piece overcomes the resistance of the metal spring piece and opens. When the dust bag is not working, the shielding piece closes and shields the air inlet hole under the elastic force of the metal spring piece. See Figure 6, through several bending angles of the metal spring sheet 3, the installation and positioning of the metal spring sheet 3 is achieved, and its elasticity is exerted. Specifically, the Z-shaped bending sheet 31 is provided with a first bending angle a and a second bending angle b, the first bending angle a is 70°-120°, and the second bending angle b is 45°-95°; the V-shaped bending sheet 32 ​​is provided with a third bending angle c, and the third bending angle c is 80°-120°; there is a clearance fit between the positioning column 141 and the circular hole 311 to facilitate quick fit between the two; in order to prevent the first plastic card 1 and the second plastic card 2 from being separated due to loose concave-convex fit during use, the first plastic card 1 and the second plastic card 2 are further fixed by ultrasonic welding.

[0040] See also Figures 1 to 6 To facilitate the use of the cardboard assembly, a first limiting portion 15 and a second limiting portion 16 are respectively provided on both sides of the first middle limiting portion 14, so as to facilitate the installation of the cardboard assembly on the vacuum cleaner, and a plurality of hollow portions 6 are respectively provided on the handle portion 13, the first limiting portion 15 and the second limiting portion 16, so as to save material and improve the aesthetics of the cardboard assembly.

[0041] See also Figures 1 to 6 In order to further seal the air inlet 5 and prevent garbage from leaking out, a sealing ring 7 is provided at the air inlet end of the air inlet 5. The sealing ring 7 is concentrically arranged with the air inlet 5, and an arc-shaped protrusion 71 is symmetrically arranged on the sealing ring 7. The main purpose of the arc-shaped protrusion 71 is to increase the aesthetics. The sealing ring 7 blocks the gap between the shielding sheet 22 and the air inlet 5.

[0042] Through the folding design of the integrally formed first plastic card component 1 and the second plastic card component 2, on the one hand, the material of the card board assembly can be unified and easy to recycle; on the other hand, the installation of the metal spring 3 is also very convenient, while reducing the manufacturing cost and assembly cost.

[0043] Example 2

[0044] This embodiment provides a dust collection bag, see Figure 7 The dust bag adhesive surface 11 of the cardboard assembly described in Example 1 is adhered to the dust bag 8, and the dust bag 8 is provided with a dust inlet 81, and the dust inlet 81 is aligned with the air inlet hole of the cardboard assembly described in Example 1.

[0045] The dust bag adhesive surface 11 of the cardboard assembly is adhered to the dust bag 8, and then the cardboard assembly is inserted into the card slot of the vacuum cleaner, so that the air inlet 5 serves as a dust suction port, and impurities are collected in the dust bag through the dust inlet 81.

[0046] The dust collecting bag disclosed in this embodiment has the same technical solution as that in Embodiment 1. Please refer to the embodiment for details, which will not be described here.

Claims

1. A cardboard assembly, characterized in that: It comprises a first plastic card, a second plastic card and a metal spring, wherein the first plastic card and the second plastic card are connected by a fold; The first plastic card has an air inlet hole in the middle, and the first plastic card includes a dust bag adhesive surface, an air inlet surface, a handle portion, and a first middle limiting portion, and a positioning column is provided in the first middle limiting portion; The second plastic card comprises a second middle limiting portion and a shielding sheet, wherein the shielding sheet shields the air inlet hole, an insertion hole is arranged at the end of the second middle limiting portion, and the second middle limiting portion and the first middle limiting portion are in a snap-fitting manner; The first end of the metal spring sheet is a Z-shaped bending sheet, which is inserted into the insertion hole and has a round hole that cooperates with the positioning column. The second end of the metal spring sheet is a V-shaped bending sheet, and the second end of the metal spring sheet abuts against the shielding sheet.

2. The card assembly according to claim 1, characterized in that: A first limiting portion and a second limiting portion are respectively disposed on both sides of the first middle limiting portion.

3. The card assembly according to claim 1, characterized in that: The positioning column and the first plastic clamp are integrally formed.

4. The card assembly according to claim 1, characterized in that: The first plastic card component and the second plastic card component are integrally formed.

5. The card assembly according to any one of claims 1 to 4, characterized in that: The metal shrapnel is a stainless steel shrapnel, and the thickness of the metal shrapnel is 0.05mm-0.2mm; The Z-shaped bending sheet is provided with a first bending angle and a second bending angle, wherein the first bending angle is 70°-120°, and the second bending angle is 45°-95°; The V-shaped bending piece is provided with a third bending angle, and the third bending angle is 80°-120°.

6. The card assembly according to claim 5, characterized in that: A sealing ring is arranged at the air inlet end of the air inlet hole, and the sealing ring is arranged concentrically with the air inlet hole.

7. The card assembly according to claim 6, characterized in that: Arc-shaped protrusions are symmetrically arranged on the sealing ring.

8. The card assembly according to claim 5, characterized in that: A plurality of hollow portions are respectively arranged on the handle portion, the first limiting portion and the second limiting portion.

9. The card assembly according to claim 5, characterized in that: There is a clearance fit between the positioning column and the circular hole.

10. A dust bag, characterized in that: The adhesive surface of the dust bag of the card board assembly according to any one of claims 1-9 is adhered to the dust bag, and the dust bag is provided with a dust inlet, and the dust inlet is aligned with the air inlet hole of the card board assembly according to any one of claims 1-9.

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