Double-sided sponge abrasive paper with reinforcing structure

Abstract

The utility model discloses double-sided sponge abrasive paper with a reinforcing structure, which comprises a sponge block, and a lower connecting piece is fixedly adhered to the bottom end of the sponge block. When the double-sided sponge abrasive paper with the reinforcing structure is used through the double-sided sponge abrasive paper, an upper sponge rubber pad and a lower sponge rubber pad which are arranged at the top end and the bottom end of a sponge block are correspondingly adhered to fourth connecting rough surfaces at the top end of an upper connecting piece and the bottom end of a lower connecting piece through third connecting thorn surfaces respectively; the upper sponge rubber pad and the lower sponge rubber pad can be fixedly installed at the top end and the bottom end of the sponge block respectively, the overall structure of the sponge abrasive paper can be strengthened through the upper sponge rubber pad and the lower sponge rubber pad, the thickness of the sponge abrasive paper is increased, and when the sponge abrasive paper is used for polishing a workpiece, the polishing safety can be improved; the problem that the structure of the double-sided sponge abrasive paper is not convenient to reinforce is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sponge sandpaper, in particular to a double-sided sponge sandpaper with a reinforced structure. Background Art

[0002] Sponge sandpaper is an industrial product made of sponge and abrasive. It is widely used in the grinding and polishing of rough surfaces of some workpiece materials such as solid wood furniture, metal stainless steel, automobile maintenance, machinery manufacturing and decorative crafts. Double-sided sponge sandpaper is equipped with sandpaper for grinding on both sides. The sponge can absorb water and maintain long-term water grinding.

[0003] However, when double-sided sponge sandpaper is used for grinding operations, due to its overall soft structure and low strength, when encountering sharp points during hand-held grinding, the sponge sandpaper may be torn and damaged at best, and may even cause injury to the user's hands. This is insufficient and it is not convenient to strengthen the structure of the double-sided sponge sandpaper.

[0004] Now, a novel double-sided sponge sandpaper with a reinforced structure is proposed to solve the above-mentioned disadvantages. Utility Model Content

[0005] The utility model aims to provide a double-sided sponge sandpaper with a reinforced structure to solve the problem that it is inconvenient to reinforce the double-sided sponge sandpaper structure proposed in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solution: a double-sided sponge sandpaper with a reinforced structure, comprising a sponge block, a lower connecting piece is bonded and fixed to the bottom end of the sponge block, an upper connecting piece is bonded and fixed to the top end of the sponge block, an upper sponge rubber pad is arranged at the top end of the upper connecting piece, and a lower sponge rubber pad is arranged at the bottom end of the lower connecting piece.

[0007] Preferably, the top end of the upper connecting piece and the bottom end of the lower connecting piece are respectively transversely glued and fixed with a fourth connecting fur surface, and the bottom end of the upper sponge rubber pad and the top end of the lower sponge rubber pad are respectively transversely glued and fixed with a third connecting thorn surface.

[0008] Preferably, the third connecting thorny surfaces and the fourth connecting rough surfaces are respectively arranged in three groups at equal intervals.

[0009] Preferably, an upper sandpaper layer is provided at the top end of the upper sponge rubber pad, and a lower sandpaper layer is provided at the bottom end of the lower sponge rubber pad.

[0010] Preferably, the top of the upper sponge rubber pad and the bottom of the lower sponge rubber pad are laterally adhered and fixed with second connecting fur surfaces, and three groups of second connecting fur surfaces are arranged at equal intervals on the top of the upper sponge rubber pad and the bottom of the lower sponge rubber pad.

[0011] Preferably, the bottom end of the upper sandpaper layer and the top end of the lower sandpaper layer are respectively transversely attached with second connecting thorn surfaces, and three groups of second connecting thorn surfaces are respectively arranged at equal intervals at the bottom end of the upper sandpaper layer and the top end of the lower sandpaper layer.

[0012] Preferably, the front ends of the upper sponge rubber pad and the lower sponge rubber pad are respectively transversely adhered and fixed with first connecting thorn surfaces.

[0013] Preferably, the rear ends of the upper sponge rubber pad and the lower sponge rubber pad are respectively transversely adhered and fixed with a first connecting rough surface.

[0014] Compared with the prior art, the utility model has the beneficial effects that: the double-sided sponge sandpaper with a reinforced structure not only facilitates the reinforcement of the double-sided sponge sandpaper structure and the replacement of the easily damaged sandpaper components, but also facilitates the combination and splicing of the sponge sandpapers;

[0015] (1) By providing a sponge block, a lower connecting piece, an upper connecting piece, an upper sponge rubber pad, a lower sponge rubber pad, a third connecting thorn surface and a fourth connecting rough surface, when the double-sided sponge sandpaper is used, the upper sponge rubber pad and the lower sponge rubber pad can be respectively attached to the top and bottom of the sponge block by using the third connecting thorn surface, and then the upper sponge rubber pad and the lower sponge rubber pad can be respectively installed and fixed on the top and bottom of the sponge block. The upper sponge rubber pad and the lower sponge rubber pad can be used to strengthen the overall structure of the sponge sandpaper and increase the thickness of the sponge sandpaper. When the sponge sandpaper is used to grind a workpiece, the safety of the grinding operation can be improved. At the same time, the upper sponge rubber pad and the lower sponge rubber pad can be used to increase a certain hardness, making it easier to perform hand-held grinding operations, thereby facilitating the strengthening of the double-sided sponge sandpaper structure.

[0016] (2) An upper sponge rubber pad, a sponge block, an upper sandpaper layer, a lower sponge rubber pad, a lower sandpaper layer, a second connecting thorn surface and a second connecting rough surface are provided. When the sponge sandpaper is used, the upper sandpaper layer or the lower sandpaper layer is held by the sponge block and rubbed back and forth against the surface of the workpiece to perform grinding. After the upper sandpaper layer and the lower sandpaper layer are worn out, the upper sandpaper layer and the lower sandpaper layer can be respectively torn off and disassembled from the top end of the upper sponge rubber pad and the bottom end of the lower sponge rubber pad using the second connecting thorn surface. After that, two sets of new upper sandpaper layers and lower sandpaper layers can be replaced and reinstalled. The worn parts can be replaced.

[0017] (3) By providing a sponge block, an upper sponge rubber pad, a lower sponge rubber pad, a first connecting thorn surface and a first connecting rough surface, when the double-sided sponge sandpaper is used, the first connecting thorn surface fixed at the front end of the upper sponge rubber pad and the lower sponge rubber pad of one set of double-sided sponge sandpaper can be pasted and fixed to the first connecting rough surface fixed at the rear end of the upper sponge rubber pad and the lower sponge rubber pad of another set of double-sided sponge sandpaper, and then the two sets of double-sided sponge sandpaper can be connected and widened by auxiliary combination, so that the grinding area of ​​the workpiece can be increased during grinding, and the grinding operation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0019] Figure 2 For this utility model Figure 1 A is an enlarged structural diagram;

[0020] Figure 3 This is a schematic diagram of the three-dimensional structure of the sponge block of the utility model;

[0021] Figure 4 It is a schematic diagram of the top view structure of the first connecting rough surface of the utility model.

[0022] In the figure: 1, lower connecting piece; 2, sponge block; 3, upper connecting piece; 4, upper sponge rubber pad; 5, upper sandpaper layer; 6, first connecting thorny surface; 7, lower sandpaper layer; 8, lower sponge rubber pad; 9, second connecting thorny surface; 10, second connecting rough surface; 11, third connecting thorny surface; 12, fourth connecting rough surface; 13, first connecting rough surface. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] Example 1: Please refer to Figure 1-4 A double-sided sponge sandpaper with a reinforced structure comprises a sponge block 2, a lower connecting piece 1 is bonded and fixed to the bottom end of the sponge block 2, an upper connecting piece 3 is bonded and fixed to the top end of the sponge block 2, an upper sponge rubber pad 4 is arranged at the top end of the upper connecting piece 3, and a lower sponge rubber pad 8 is arranged at the bottom end of the lower connecting piece 1;

[0025] The top of the upper connecting piece 3 and the bottom of the lower connecting piece 1 are respectively transversely attached with a fourth connecting fur surface 12, the bottom of the upper sponge rubber pad 4 and the top of the lower sponge rubber pad 8 are respectively transversely attached with a third connecting thorn surface 11, and the third connecting thorn surface 11 and the fourth connecting fur surface 12 are respectively arranged in three groups at equal intervals;

[0026] Specifically, Figure 1-Figure 3 As shown, when the double-sided sponge sandpaper is used, the upper sponge rubber pad 4 and the lower sponge rubber pad 8 can be respectively pasted on the fourth connecting rough surface 12 at the top end of the upper connecting piece 3 and the bottom end of the lower connecting piece 1 at the top and bottom ends of the sponge block 2 using the third connecting thorn surface 11, and then the upper sponge rubber pad 4 and the lower sponge rubber pad 8 can be respectively installed and fixed on the top and bottom ends of the sponge block 2. The upper sponge rubber pad 4 and the lower sponge rubber pad 8 can be used to strengthen the overall structure of the sponge sandpaper and increase the thickness of the sponge sandpaper. When the sponge sandpaper is used to grind a workpiece, the safety of the grinding operation can be improved. At the same time, the upper sponge rubber pad 4 and the lower sponge rubber pad 8 can be used to increase a certain hardness, making it easier to hold the grinding operation, thereby facilitating the strengthening of the double-sided sponge sandpaper structure.

[0027] Embodiment 2: An upper sandpaper layer 5 is provided at the top of the upper sponge rubber pad 4, a lower sandpaper layer 7 is provided at the bottom of the lower sponge rubber pad 8, a second connecting rough surface 10 is transversely pasted and fixed to the top of the upper sponge rubber pad 4 and the bottom of the lower sponge rubber pad 8, and three groups of the second connecting rough surfaces 10 are equally spaced at the top of the upper sponge rubber pad 4 and the bottom of the lower sponge rubber pad 8, and second connecting thorn surfaces 9 are transversely pasted and fixed to the bottom of the upper sandpaper layer 5 and the top of the lower sandpaper layer 7, and three groups of the second connecting thorn surfaces 9 are equally spaced at the bottom of the upper sandpaper layer 5 and the top of the lower sandpaper layer 7;

[0028] Specifically, Figure 1 and Figure 3 As shown, when the sponge sandpaper is used, the sponge block 2 is held and the upper sandpaper layer 5 or the lower sandpaper layer 7 is rubbed back and forth against the surface of the workpiece for grinding. After the upper sandpaper layer 5 and the lower sandpaper layer 7 are worn out, the upper sandpaper layer 5 and the lower sandpaper layer 7 can be torn off and disassembled from the top of the upper sponge rubber pad 4 and the bottom of the lower sponge rubber pad 8 using the second connecting thorn surface 9, and then the two sets of new upper sandpaper layers 5 and lower sandpaper layers 7 can be replaced and reinstalled. The worn parts can be replaced.

[0029] Embodiment 3: The front ends of the upper sponge rubber pad 4 and the lower sponge rubber pad 8 are respectively laterally attached with the first connecting thorn surface 6, and the rear ends of the upper sponge rubber pad 4 and the lower sponge rubber pad 8 are respectively laterally attached with the first connecting fur surface 13;

[0030] Specifically, Figure 1 and Figure 4As shown, when the double-sided sponge sandpaper is used, the first connecting thorn surface 6 fixed at the front end of the upper sponge rubber pad 4 and the lower sponge rubber pad 8 on one set of double-sided sponge sandpaper can be pasted and fixed to the first connecting rough surface 13 fixed at the rear end of the upper sponge rubber pad 4 and the lower sponge rubber pad 8 on another set of double-sided sponge sandpaper, so that the two sets of double-sided sponge sandpaper can be auxiliary combined and connected to be widened, and the grinding area of ​​the workpiece can be increased during grinding, and the grinding operation is more convenient.

[0031] Working principle: When the utility model is in use, the upper sponge rubber pad 4 and the lower sponge rubber pad 8 can be respectively attached to the top and bottom of the sponge block 2 by using the third connecting thorn surface 11, and the fourth connecting rough surface 12 at the top of the upper connecting piece 3 and the bottom of the lower connecting piece 1 can be correspondingly attached. Then, the upper sponge rubber pad 4 and the lower sponge rubber pad 8 can be respectively installed and fixed to the top and bottom of the sponge block 2. The overall structure of the sponge sandpaper can be strengthened by the upper sponge rubber pad 4 and the lower sponge rubber pad 8, and the thickness of the sponge sandpaper can be increased. When the sponge sandpaper is used, the sponge block 2 can be held by hand and the upper sandpaper layer 5 or the lower sandpaper layer 7 can be attached to the surface of the workpiece and rubbed back and forth for grinding. After the layer 7 is worn out, the upper sandpaper layer 5 and the lower sandpaper layer 7 can be torn off and disassembled from the top of the upper sponge rubber pad 4 and the bottom of the lower sponge rubber pad 8 by using the second connecting thorn surface 9, and then the two sets of new upper sandpaper layers 5 and lower sandpaper layers 7 can be replaced and reinstalled and fixed. The worn parts are replaceable, and when the double-sided sponge sandpaper is used, the first connecting thorn surface 6 fixed on the front end of the upper sponge rubber pad 4 and the lower sponge rubber pad 8 of one set of double-sided sponge sandpaper can be pasted and fixed to the first connecting rough surface 13 fixed on the rear end of the upper sponge rubber pad 4 and the lower sponge rubber pad 8 of another set of double-sided sponge sandpaper, and then the two sets of double-sided sponge sandpaper can be auxiliary combined and connected to widen, thereby increasing the grinding area of ​​the workpiece.

[0032] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A double-sided sponge sandpaper with a reinforced structure, comprising a sponge block (2), characterized in that: A lower connecting piece (1) is bonded and fixed to the bottom end of the sponge block (2), an upper connecting piece (3) is bonded and fixed to the top end of the sponge block (2), an upper sponge rubber pad (4) is arranged at the top end of the upper connecting piece (3), and a lower sponge rubber pad (8) is arranged at the bottom end of the lower connecting piece (1); The top end of the upper connecting piece (3) and the bottom end of the lower connecting piece (1) are respectively transversely glued and fixed with a fourth connecting rough surface (12), and the bottom end of the upper sponge rubber pad (4) and the top end of the lower sponge rubber pad (8) are respectively transversely glued and fixed with a third connecting thorn surface (11); An upper sandpaper layer (5) is arranged at the top end of the upper sponge rubber pad (4), and a lower sandpaper layer (7) is arranged at the bottom end of the lower sponge rubber pad (8); The front ends of the upper sponge rubber pad (4) and the lower sponge rubber pad (8) are respectively transversely bonded and fixed with a first connecting thorn surface (6); The rear ends of the upper sponge rubber pad (4) and the lower sponge rubber pad (8) are respectively transversely bonded and fixed with a first connecting rough surface (13).

2. The double-sided sponge sandpaper with a reinforced structure according to claim 1, characterized in that: The third connecting thorn surface (11) and the fourth connecting rough surface (12) are respectively arranged in three groups at equal intervals.

3. The double-sided sponge sandpaper with a reinforced structure according to claim 1, characterized in that: The top end of the upper sponge rubber pad (4) and the bottom end of the lower sponge rubber pad (8) are respectively transversely glued and fixed with a second connecting rough surface (10), and three groups of the second connecting rough surfaces (10) are respectively arranged at equal intervals at the top end of the upper sponge rubber pad (4) and the bottom end of the lower sponge rubber pad (8).

4. The double-sided sponge sandpaper with a reinforced structure according to claim 1, characterized in that: The bottom end of the upper sandpaper layer (5) and the top end of the lower sandpaper layer (7) are respectively transversely bonded and fixed with second connecting thorn surfaces (9), and three groups of second connecting thorn surfaces (9) are respectively arranged at equal intervals at the bottom end of the upper sandpaper layer (5) and the top end of the lower sandpaper layer (7).

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