Replaceable sponge abrasive paper

Abstract

The utility model relates to the technical field of abrasive paper, and discloses replaceable sponge abrasive paper which comprises sponge, first hard PVC frameworks are fixed to the top and the bottom of the sponge through binders, a soft PVC connecting plate is arranged on the right side of the sponge, second hard PVC frameworks are fixed to the top and the bottom of the soft PVC connecting plate through binders, and the second hard PVC frameworks are arranged on the right side of the soft PVC connecting plate. A replacement structure used for connecting and detaching the soft PVC connecting plate is arranged in the first hard PVC framework, and the two sets of T-shaped cavities are formed in the first hard PVC framework and are symmetrically arranged. According to the replaceable sponge abrasive paper, a replacement structure is arranged, two sets of pressing blocks on one side are pressed at the same time, at the moment, a pressing column moves in the direction of sponge, a spring is stressed and compressed, a fixing groove in the pressing column is horizontally matched with an inserting groove in position, a soft PVC connecting plate pasted with new abrasive paper is inserted, and at the moment, an inserting block is matched with the fixing groove; and when the pressing block is loosened, the elastic force of the spring is released, and the insertion block is fixed.

Description

Technical Field

[0001] The utility model relates to the technical field of sandpaper, in particular to replaceable sponge sandpaper. Background Art

[0002] Sponge sandpaper is composed of sponge and abrasive. It is produced and processed through various links such as gluing, flocking, compounding, and punching. It is widely used in the grinding and polishing of rough surfaces of solid wood furniture, metal stainless steel, automobile repair, machinery manufacturing, plastic glass, decorative crafts and other materials. Because of its soft texture, it is easy to grind manually and is favored.

[0003] In actual use, it is found that sandpaper and sponge are not damaged at the same time. After the sponge is damaged, it is inconvenient to hold and can only be discarded. After the abrasive is completely consumed, the grinding effect is lost, but the sponge may still be usable. Discarding them together will cause waste and is not energy-saving or environmentally friendly. In view of this, a new type of replaceable sandpaper with a firm connection is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a corrosion-resistant gas storage tank to solve the problem that the sandpaper and sponge mentioned in the above background technology will not be damaged at the same time, the sponge will be inconvenient to hold after being damaged and can only be discarded, and after the abrasive is completely consumed, the grinding effect is lost, but the sponge may still be usable, and discarding them together will cause waste and is not energy-saving and environmentally friendly.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a replaceable sponge sandpaper, comprising a sponge, wherein a first hard PVC frame is fixed to the top and bottom of the sponge by an adhesive, a soft PVC connecting plate is arranged on the right side of the sponge, and a second hard PVC frame is fixed to the top and bottom of the soft PVC connecting plate by an adhesive, and a replacement structure for connecting and disassembling the soft PVC connecting plate is arranged inside the first hard PVC frame;

[0006] The replacement structure includes a T-shaped cavity, two groups of the T-shaped cavities are opened inside the first rigid PVC frame and are symmetrically arranged, a pressing column is vertically inserted inside the T-shaped cavity, and the top of the pressing column extends to the outside of the first rigid PVC frame and is fixed with a pressing block, a spring is sleeved on the outside of the pressing column, a pressing plate is fixed on the pressing column, a fixing groove is opened at the bottom of the pressing column, a slot is opened on one side of the T-shaped cavity, and an insert block matching the fixing groove is provided on the second rigid PVC frame.

[0007] Preferably, an adhesive layer is bonded to the right side of the soft PVC connecting plate, and sandpaper is provided on the right side of the soft PVC connecting plate, and the sandpaper is bonded and fixed to the soft PVC connecting plate through the adhesive layer.

[0008] Preferably, the sandpaper consists of a base material and an abrasive.

[0009] Preferably, the insert is fixed to the second rigid PVC skeleton by hot melting.

[0010] Preferably, the pressure plate abuts against the interior of the T-shaped cavity, and the slot is arranged transversely and communicates with the interior of the T-shaped cavity.

[0011] Preferably, the end of the spring away from the pressure plate is fixed to the outer surface of the pressing column.

[0012] Preferably, the interior of the fixing groove and the exterior of the insert block are respectively provided with mutually matching grooves for assisting the fixation of the two.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] By providing a replacement structure, the two groups of pressing blocks on one side are pressed at the same time, and the pressing column is displaced toward the sponge, the spring is compressed, the fixing groove on the pressing column is horizontally matched with the position of the slot, and the soft PVC connecting plate with new sandpaper pasted is inserted. At this time, the plug is matched with the fixing groove, and the pressing block is released, and the elastic force of the spring is released to fix the plug. It is particularly noted that when replacing the new sandpaper, the adhesive layer of the soft PVC connecting plate is cut with the help of a knife or other tools, the old sandpaper is torn off, and the new sandpaper is pasted to replace it. At the same time, the soft PVC connecting plate, sandpaper and sponge are soft in texture. Although there are the first hard PVC skeleton and the second hard PVC skeleton, there is still a large area that can be bent as a whole. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view cross-sectional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the combined structure of the sponge and the soft PVC connecting plate of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the utility model;

[0018] Figure 4 For the utility model Figure 1 Schematic diagram of the structure at point A in the middle.

[0019] In the figure: 1. sponge; 2. first hard PVC frame; 3. second hard PVC frame; 4. sandpaper; 5. adhesive layer; 6. soft PVC connecting plate; 7. plug-in block; 8. pressing block; 9. T-shaped cavity; 10. spring; 11. pressing column; 12. fixing groove; 13. slot; 14. pressing plate. DETAILED DESCRIPTION

[0020] 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.

[0021] Example: See Figure 1-4 A replaceable sponge sandpaper comprises a sponge 1, a first hard PVC frame 2 is fixed to the top and bottom of the sponge 1 by an adhesive, a soft PVC connecting plate 6 is arranged on the right side of the sponge 1, and a second hard PVC frame 3 is fixed to the top and bottom of the soft PVC connecting plate 6 by an adhesive, and a replacement structure for connecting and disassembling the soft PVC connecting plate 6 is arranged inside the first hard PVC frame 2;

[0022] The replacement structure includes a T-shaped cavity 9, two groups of T-shaped cavities 9 are opened inside the first rigid PVC frame 2 and are symmetrically arranged, a pressing column 11 is vertically inserted inside the T-shaped cavity 9, and the top of the pressing column 11 extends to the outside of the first rigid PVC frame 2 and is fixed with a pressing block 8, a spring 10 is sleeved on the outside of the pressing column 11, a pressing plate 14 is fixed on the pressing column 11, a fixing groove 12 is opened at the bottom of the pressing column 11, a slot 13 is opened on one side of the T-shaped cavity 9, and an insert block 7 matching the fixing groove 12 is arranged on the second rigid PVC frame 3;

[0023] The right side of the soft PVC connecting plate 6 is bonded with an adhesive layer 5, and the right side of the soft PVC connecting plate 6 is provided with sandpaper 4, and the sandpaper 4 is bonded and fixed to the soft PVC connecting plate 6 through the adhesive layer 5;

[0024] The sandpaper 4 is composed of a base material and an abrasive, the insert block 7 is fixed to the second hard PVC frame 3 by hot melting, the pressing plate 14 is against the inside of the T-shaped cavity 9, and the slot 13 is arranged horizontally and communicated with the inside of the T-shaped cavity 9;

[0025] Furthermore, the soft PVC connecting plate 6, the sandpaper 4 and the sponge 1 are soft in texture. Although there are the first hard PVC frame 2 and the second hard PVC frame 3, there is still a large area that can be bent as a whole.

[0026] Furthermore, the end of the spring 10 away from the pressure plate 14 is fixed to the outer surface of the pressing column 11, and the inside of the fixing groove 12 and the outside of the insert block 7 are respectively provided with mutually matching grooves to assist in the fixation of the two.

[0027] Working principle: When the utility model is in use, the adhesive layer 5 of the soft PVC connecting plate 6 is cut with the help of a knife or other tools, the old sandpaper 4 is torn off, and the new sandpaper 4 is pasted to replace it, and then the two groups of pressing blocks 8 on one side are pressed at the same time. At this time, the pressing column 11 is displaced toward the direction of the sponge 1, and the spring 10 is compressed. The fixed groove 12 on the pressing column 11 is horizontally matched with the position of the slot 13, and the soft PVC connecting plate 6 with the new sandpaper 4 pasted is inserted. At this time, the plug block 7 is matched with the fixed groove 12, and the pressing block 8 is released. The elastic force of the spring 10 is released to fix the plug block 7.

[0028] 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 replaceable sandpaper sponge, comprising a sponge (1), characterized in that: A first rigid PVC frame (2) is fixed to the top and bottom of the sponge (1) by means of an adhesive, a flexible PVC connecting plate (6) is provided on the right side of the sponge (1), and a second rigid PVC frame (3) is fixed to the top and bottom of the flexible PVC connecting plate (6) by means of an adhesive, and a replacement structure for connecting and disassembling the flexible PVC connecting plate (6) is provided inside the first rigid PVC frame (2); The replacement structure comprises a T-shaped cavity (9), two groups of the T-shaped cavities (9) are opened inside the first rigid PVC frame (2) and are symmetrically arranged, a pressing column (11) is vertically inserted inside the T-shaped cavity (9), and the top of the pressing column (11) extends to the outside of the first rigid PVC frame (2) and is fixed with a pressing block (8), the outside of the pressing column (11) is sleeved with a spring (10), a pressing plate (14) is fixed on the pressing column (11), a fixing groove (12) is opened at the bottom of the pressing column (11), a slot (13) is opened on one side of the T-shaped cavity (9), and an insert block (7) matching the fixing groove (12) is arranged on the second rigid PVC frame (3).

2. The replaceable sponge sandpaper according to claim 1, characterized in that: The right side of the soft PVC connecting plate (6) is bonded with an adhesive layer (5), and the right side of the soft PVC connecting plate (6) is provided with sandpaper (4), and the sandpaper (4) is bonded and fixed to the soft PVC connecting plate (6) through the adhesive layer (5).

3. The replaceable sponge sandpaper according to claim 2, characterized in that: The sandpaper (4) consists of a base material and abrasives.

4. The replaceable sponge sandpaper according to claim 1, characterized in that: The insert block (7) is fixed to the second rigid PVC frame (3) by hot melting.

5. The replaceable sponge sandpaper according to claim 1, characterized in that: The pressing plate (14) abuts against the inside of the T-shaped cavity (9), and the slot (13) is arranged transversely and communicates with the inside of the T-shaped cavity (9).

6. The replaceable sponge sandpaper according to claim 1, characterized in that: The end of the spring (10) away from the pressure plate (14) is fixed to the outer surface of the pressing column (11).

7. The replaceable sponge sandpaper according to claim 1, characterized in that: The interior of the fixing groove (12) and the exterior of the insert block (7) are respectively provided with mutually matching grooves for assisting the fixing of the two.

Images