Compression-resistant PVC decorative plate with buffering function

Abstract

The application provides a compression-resistant PVC decorative plate with a buffering function, and relates to the technical field of decorative plate materials. The PVC base plate is provided with an L-shaped raised plate at the left end, and the L-shaped raised plate at the right end of the PVC base plate is partially clamped and pressed with the right end of the left PVC base plate. A plurality of groups of strip-shaped clamping grooves are arranged in pairs on the PVC base plate. The raised part of the decorative plate is composed of a top horizontal decorative plate and two support frames arranged symmetrically on the bottom of the horizontal decorative plate. The raised part of the decorative plate is detachably installed through movable insertion, and is limited and fixed through two sliding fixing members. After the two sliding fixing members are moved and loosened, the raised part of the decorative plate can be removed and replaced separately after damage, so that the trouble of disassembling and replacing the large-area PVC decorative plate as a whole together with the PVC base plate when the raised part of the decorative plate is damaged and replaced can be avoided.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of decoration board, in particular to a compression-resistant PVC decorative board with buffering function. BACKGROUND

[0002] After installation, how to prolong the service life and durability of the PVC decorative board, and to avoid replacement in its life cycle to the greatest extent, is a valuable improvement direction, so that the PVC decorative board has buffering function and good compression resistance, which can reduce the probability of being hit, impacted and broken, and effectively prolong the service life and durability of the PVC decorative board after installation.

[0003] The existing PVC decorative board is provided with a convex part in the shape of a U-shaped groove. These convex parts are relatively easy to be hit and broken because they protrude from the base plate of the PVC decorative board. However, the convex part is directly fixed together with the base plate, which causes the PVC decorative board to be disassembled and replaced as a whole when the convex part is damaged and replaced. The whole PVC decorative board is disassembled and assembled, which is inconvenient to operate. The cost of replacing the large-area PVC decorative board is high, and the consumption and waste of PVC decorative board materials are serious, which does not meet the current social needs of energy saving and emission reduction. SUMMARY

[0004] Therefore, the present application provides a compression-resistant PVC decorative board with buffering function to solve the problem that the convex part is directly fixed together with the base plate, which causes the PVC decorative board to be disassembled and replaced as a whole when the convex part is damaged and replaced. The whole PVC decorative board is disassembled and assembled, which is inconvenient to operate. The cost of replacing the large-area PVC decorative board is high, and the consumption and waste of PVC decorative board materials are serious, which does not meet the current social needs of energy saving and emission reduction.

[0005] The application provides a kind of anti-pressure PVC decorative plate with buffering function, comprising: PVC substrate, the left end of the PVC substrate is provided with an L-shaped upturned plate, when the adjacent two PVC substrates are installed side by side, the L-shaped upturned plate at the left end of the right PVC substrate is partially clamped and pressed with the right end of the left PVC substrate;A plurality of groups of strip-shaped clamping grooves are arranged in pairs at equal intervals on the PVC substrate, a row of decorative plate protrusions are clamped and inserted into the plurality of groups of strip-shaped clamping grooves, and the decorative plate protrusions are in the shape of a n-shaped structure as a whole;The decorative plate protrusions are composed of a top horizontal decorative plate and two support frames symmetrically arranged at the bottom of the horizontal decorative plate, wherein the support frames are in the shape of a long rectangular structure, and a row of vertical blocks are arranged at equal intervals inside the support frames, and a row of insertion grooves are formed between the vertical blocks;Two sliding fixing members are symmetrically installed on the horizontal decorative plate;The sliding fixing member is composed of a n-shaped sliding frame and two L-shaped clamping plates symmetrically arranged at the bottom of the n-shaped sliding frame;Two limiting long strips are symmetrically arranged on the left and right sides of each strip-shaped clamping groove on the PVC substrate, a row of rectangular insertion openings are formed on the two limiting long strips, and two insertion positioning members are symmetrically inserted and installed on the four limiting long strips on the left and right sides of the plurality of groups of strip-shaped clamping grooves;The insertion positioning member is composed of a main rod, a row of insertion positioning blocks and two protruding limiting blocks arranged on the left and right sides of the main rod, wherein the row of insertion positioning blocks pass through the two rows of rectangular insertion openings on the two limiting long strips and the bottom side plate of the support frame in sequence and are in sliding fit;The two sliding fixing members are fixed on the top decorative plate of the decorative plate protrusions, and the four L-shaped clamping plates on the left and right sides of the two sliding fixing members are in sliding fit with the four insertion positioning blocks on the two insertion positioning members on the left and right sides of the decorative plate protrusions, the two insertion positioning members can insert and fix the decorative plate protrusions and the two support frames on the left and right sides of the bottom of the decorative plate protrusions on the four limiting long strips, so that the decorative plate protrusions and the PVC substrate are fixed and kept together, and the two sliding fixing members can hook and pull to block and limit the two insertion positioning members and the four protruding limiting blocks thereon, so that the two rows of insertion positioning blocks are kept in the state of being inserted and fixed with the four limiting long strips, and when the two sliding fixing members are separated from the four protruding limiting blocks, the two insertion positioning members and the two rows of insertion positioning blocks thereon can move away from each other and slide out to release the two support frames and the decorative plate protrusions.

[0006] Further, two track strips are symmetrically arranged on the left and right sides of the horizontal decorative plate of the decorative plate protrusions, and the left and right vertical support portions of the sliding fixing member are in sliding fit with the two track strips.

[0007] Further, the vertical support portion of the L-shaped clamping plate is in sliding fit with the outer portion of the protruding limiting block.

[0008] Further, a plurality of positioning short support columns are equidistantly arranged in each of the strip-shaped clamping grooves, and a plurality of positioning holes are equidistantly arranged on the bottom plate of the support frame, and one of the plurality of positioning holes corresponds to one of the plurality of positioning short support columns.

[0009] Further, the plurality of plug-in positioning blocks on the plug-in positioning member are plug-in matched with the bottom side portions of the plurality of plug-in grooves on the support frame.

[0010] Further, a plurality of plug-in stop plates are arranged on the top end horizontal portion of the L-shaped raised plate, and when the two adjacent PVC substrates are installed in parallel, the plurality of plug-in stop plates on the right side PVC substrate are plug-in matched with the top end portions of the plurality of plug-in grooves on the right side support frame of the rightmost decorative plate protruding portion on the left side PVC substrate, which can clamp and press the L-shaped raised plate to limit the disengagement and displacement of the L-shaped raised plate, so that the two spliced and combined PVC decorative plates are positioned and kept together, and thus the rightmost decorative plate protruding portion can indirectly clamp and insert the middle PVC decorative plate for separate disassembly and replacement, compared with the traditional PVC decorative plate which is clamped and combined by the clamping grooves and clamping plates arranged on the left and right sides of the PVC substrate, when the middle PVC decorative plate is disassembled and replaced, the PVC decorative plates arranged in a row from the two ends need to be disassembled in sequence to expose and replace the middle PVC decorative plate, which is avoided.

[0011] Further, the bottom of the horizontal decorative plate of the decorative plate protruding portion is symmetrically fixed with two circular buffer sleeves, the bottom side portions of the two circular buffer sleeves are in abutting contact with the PVC substrate, and the two circular buffer sleeves can be elastically deformed after being pressed.

[0012] Further, two rectangular empty grooves are arranged between the plurality of plug-in stop plates in front-to-back symmetry, and when the two PVC substrates are spliced and used, the two rectangular empty grooves are plug-in matched with the two L-shaped clamping plate sleeves on the two sliding fixing members close to the two rectangular empty grooves, and the two rectangular empty grooves can provide operation space for the sliding space of the two sliding fixing members.

[0013] Further, a locking bolt is rotatably installed at the top end middle position of the sliding fixing member, and the sliding fixing member is fixedly connected with the horizontal decorative plate of the decorative plate protruding portion through the locking bolt.

[0014] Beneficial effects are:

[0015] 1. The convex part of the decorative plate is detachably mounted by movable insertion, and is limited and fixed by two sliding fixing parts. After the two sliding fixing parts are moved and loosened, the convex part of the decorative plate can be removed and replaced separately after damage. Compared with the prior art that the convex part of the decorative plate is directly fixedly connected with the PVC substrate, the present application can avoid the trouble of disassembling and replacing the whole large-area PVC decorative plate together with the PVC substrate when the convex part of the decorative plate is damaged and replaced, can effectively reduce the consumption and waste of PVC material, reduce the cost of replacing and maintaining the PVC decorative plate, and meet the social needs of energy saving and emission reduction.

[0016] 2. The PVC decorative plate assembled and combined can also be indirectly clamped and positioned by relying on the convex part of the rightmost decorative plate. After the convex part of the rightmost decorative plate is disassembled and removed, the whole PVC decorative plate at a certain position in the middle can be individually disassembled and replaced. Compared with the PVC decorative plate assembled and combined by relying on the clamping and combination of the clamping grooves and clamping plates arranged on the left and right sides of the PVC substrate, when the PVC decorative plate at the middle position is disassembled and replaced, the PVC decorative plate at the middle position can be exposed and replaced without the need to disassemble the whole row of assembled and combined PVC decorative plates from the beginning.

[0017] 3. The strip-shaped clamping grooves are equidistantly spaced apart, and a row of positioning short support columns are arranged in each strip-shaped clamping groove. A row of positioning holes are equidistantly arranged on the bottom plate of the support frame, and a row of positioning holes correspond to a row of positioning short support columns for insertion and cooperation. This can left and right movably limit the support frame, reduce the probability of dislocation of the support frame from the strip-shaped clamping groove, and cooperate with the insertion and positioning member to effectively improve the connection strength and stability of the support frame, the convex part of the decorative plate and the PVC substrate, so that the installation stability of the convex part of the decorative plate and the PVC substrate is better guaranteed under the premise that the convex part of the decorative plate can be movably disassembled, and the practicability is better.

[0018] 4. When the horizontal decorative plate of the convex part of the decorative plate is impacted or impacted, the two circular buffer sleeves can be elastically deformed after being pressed to buffer the impact and impact force, reduce the probability of damage of the convex part of the decorative plate and the whole PVC decorative plate, and prolong the service life of the PVC decorative plate.

[0019] 5. The two rectangular empty grooves can provide sliding space for the operation of the two sliding fixing parts, so that the two sliding fixing parts of the rightmost assembled part can normally loosen the convex part of the decorative plate. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings of the embodiments will be briefly introduced below.

[0021] The accompanying drawings that are described below in the description of the application relate only to some embodiments of the application and do not limit the application.

[0022] In the drawings:

[0023] Figure 1 is a left side structure schematic diagram of the splicing use state of the anti-pressure PVC decorative plate with the buffering function of the application.

[0024] Figure 2 is a right side structure schematic diagram of the splicing use state of the anti-pressure PVC decorative plate with the buffering function of the application.

[0025] Figure 3 is a whole structure schematic diagram of the anti-pressure PVC decorative plate with the buffering function of the application.

[0026] Figure 4 is a decorative plate protruding part disassembled state schematic diagram of the anti-pressure PVC decorative plate with the buffering function of the application.

[0027] Figure 5 is a plug-in positioning piece disassembled state schematic diagram of the anti-pressure PVC decorative plate with the buffering function of the application.

[0028] Figure 6 is a Figure 5 enlarged structure schematic diagram of part A.

[0029] Figure 7 is a decorative plate protruding part bottom side structure schematic diagram of the anti-pressure PVC decorative plate with the buffering function of the application.

[0030] Figure 8 is a sliding fixing piece structure schematic diagram of the anti-pressure PVC decorative plate with the buffering function of the application.

[0031] Figure 9 is a Figure 3 enlarged structure schematic diagram of part B.

[0032] Figure 10 is a plug-in positioning piece structure schematic diagram of the anti-pressure PVC decorative plate with the buffering function of the application.

[0033] List of reference signs

[0034] 1, PVC base plate; 101, L-shaped raised plate; 102, plug-in baffle; 103, rectangular empty slot; 104, strip-shaped clamping groove; 105, limiting long strip plate; 106, positioning short support column; 2, decorative plate protruding part; 201, circular buffer sleeve; 202, track long strip; 203, support frame; 3, sliding fixing piece; 301, L-shaped clamping plate; 4, plug-in positioning piece; 401, protruding limiting block; 402, plug-in positioning block. DETAILED DESCRIPTION

[0035] In order to make the purpose, scheme and advantages of the technical scheme of the present application more clear, the technical scheme of the present application embodiment will be described clearly and completely in the following with reference to the drawings of the specific embodiments of the present application.

[0036] Please refer to Figures 1 to 10 as shown:

[0037] Example one:

[0038] The present application provides a kind of anti-pressure PVC decorative plate with buffering function, including PVC substrate 1, the left end of the PVC substrate 1 is provided with an L-shaped upturned plate 101, when two adjacent PVC substrates 1 are installed side by side, the L-shaped upturned plate 101 at the left end of the right PVC substrate 1 is partially clamped and pressed with the right end of the left PVC substrate 1;A plurality of groups of strip-shaped clamping grooves 104 are arranged equidistantly in pairs on the PVC substrate 1, a row of decorative plate protruding portions 2 are clamped and inserted into the plurality of groups of strip-shaped clamping grooves 104, the decorative plate protruding portions 2 are detachably installed by movable insertion, and are limited and fixed by two sliding fixing members 3, the decorative plate protruding portions 2 can be removed and replaced individually after the two sliding fixing members 3 are moved and released, compared with the prior art in which the decorative plate protruding portions 2 are directly fixedly connected with the PVC substrate 1, the need for disassembling and replacing the large-area PVC decorative plate as a whole when the decorative plate protruding portions 2 are damaged can be avoided, the consumption and waste of PVC material can be effectively reduced, the cost of replacing and repairing the PVC decorative plate is reduced, the social needs of energy saving and emission reduction are met, the decorative plate protruding portions 2 are in the shape of a n-shaped structure;The decorative plate protruding portions 2 are composed of a top horizontal decorative plate and two support frames 203 symmetrically arranged at the bottom of the horizontal decorative plate, the support frames 203 are in the shape of a long rectangular structure, and a row of vertical blocks are equidistantly arranged in the support frames 203, a row of insertion grooves are formed between the vertical blocks;Two sliding fixing members 3 are symmetrically and slidably installed on the horizontal decorative plate;The sliding fixing members 3 are composed of a n-shaped sliding frame and two L-shaped clamping plates 301 symmetrically arranged at the bottom of the left and right ends of the n-shaped sliding frame;Two limiting long plates 105 are symmetrically arranged at the left and right sides of each strip-shaped clamping groove 104 on the PVC substrate 1, a row of rectangular insertion openings are formed in the two limiting long plates 105, and two insertion positioning members 4 are symmetrically and slidably installed on the four limiting long plates 105 at the left and right sides of the plurality of groups of strip-shaped clamping grooves 104.The plug-in positioning piece 4 is composed of a main body strip, a row of plug-in positioning blocks 402 arranged on the left and right sides of the main body strip, and two protruding limiting blocks 401. The row of plug-in positioning blocks 402 are sequentially inserted through the two rows of rectangular sockets on the two limiting long strip plates 105 and the bottom side plate of the support frame 203. The two plug-in positioning pieces 4 can fix the decorative plate protruding part 2 and the left and right support frames 203 at the bottom thereof on the four limiting long strip plates 105 through the two rows of plug-in positioning blocks 402 thereon, so that the decorative plate protruding part 2 and the PVC substrate 1 are fixed together. The two sliding fixing pieces 3 can hook and pull the two plug-in positioning pieces 4 and the four protruding limiting blocks 401 thereon through the four L-shaped clamping plates 301 thereon, so that the two rows of plug-in positioning blocks 402 remain in the use state of being inserted and positioned in the four limiting long strip plates 105. When the two sliding fixing pieces 3 are separated from the four protruding limiting blocks 401, the two plug-in positioning pieces 4 and the two rows of plug-in positioning blocks 402 thereon can move away from each other and slide out to release the decorative plate protruding part 2 and the two support frames 203 at the bottom thereof. The two sliding fixing pieces 3 are fixed to the top decorative plate of the decorative plate protruding part 2, and the four L-shaped clamping plates 301 on the left and right sides of the two sliding fixing pieces 3 are slidably connected with the four plug-in positioning blocks 402 on the left and right sides of the two plug-in positioning pieces 4 of the decorative plate protruding part 2.

[0039] The left and right sides of the horizontal decorative plate of the decorative plate protruding part 2 are symmetrically provided with two track strips 202, and the left and right vertical support portions of the sliding fixing piece 3 correspond to the two track strips 202.

[0040] The vertical support portion of the L-shaped clamping plate 301 and the outer side portion of the protruding limiting block 401 are slidably connected together.

[0041] Each of the strip-shaped clamping grooves 104 is equally spaced apart from a row of positioning short support columns 106, and the bottom plate of the support frame 203 is equally spaced apart from a row of positioning holes. One row of positioning holes corresponds to one row of positioning short support columns 106 for plug-in cooperation, which can left and right movably limit the support frame 203, reduce the probability of dislodging the support frame 203 from the strip-shaped clamping groove 104, and effectively improve the connection strength and stability of the support frame 203, the decorative plate protruding part 2, and the PVC substrate 1 when used with the plug-in positioning piece 4, so as to better balance the installation stability of the decorative plate protruding part 2 and the PVC substrate 1 while ensuring that the decorative plate protruding part 2 can be movably disassembled, and the practicability is better.

[0042] The row of plug-in positioning blocks 402 on the plug-in positioning piece 4 is plug-in cooperated with the bottom side portion of the row of plug-in grooves on the support frame 203.

[0043] The top end horizontal part of the L-shaped upturned plate 101 is provided with a row of plug-in baffle plates 102, when two adjacent PVC base plates 1 are installed side by side, a row of plug-in baffle plates 102 on the right side PVC base plate 1 correspond to the top end part of a row of plug-in slots on the right side supporting frame 203 of the rightmost decorative plate protruding part 2 of the left side PVC base plate 1, which can clamp and press the L-shaped upturned plate 101 to limit the displacement of the L-shaped upturned plate 101, so as to position and keep the two spliced and combined PVC decorative plates together, and then the spliced and combined PVC decorative plates can also be indirectly clamped and inserted and positioned by the rightmost decorative plate protruding part 2, and the middle PVC decorative plate can be individually disassembled and replaced by removing the rightmost decorative plate protruding part 2, compared with the PVC decorative plates which are clamped and combined by the clamping slots and clamping plates arranged on the left and right sides of the PVC base plate 1, when the middle PVC decorative plate is disassembled and replaced, the PVC decorative plates need not be disassembled in sequence and in a large area from the beginning, so as to expose and replace the middle PVC decorative plate.

[0044] The two rectangular empty slots 103 are symmetrically arranged between the two rows of plug-in baffle plates 102, and when two PVC base plates 1 are spliced, the two rectangular empty slots 103 are inserted into the two L-shaped clamping plates 301 on the two sliding fixing members 3 close to the two rectangular empty slots 103, so that the two rectangular empty slots 103 provide sliding space for the two sliding fixing members 3, and ensure that the two sliding fixing members 3 on the rightmost spliced part can normally clamp the decorative plate protruding part 2.

[0045] The top end middle part of the sliding fixing member 3 is rotatably provided with a locking bolt, and the sliding fixing member 3 is fixedly connected with the horizontal decorative plate of the decorative plate protruding part 2 through the locking bolt.

[0046] Embodiment two:

[0047] The application provides a pressure-resistant PVC decorative plate with a buffering function, and two circular buffer sleeves 201 are symmetrically arranged on the bottom of the horizontal decorative plate of the decorative plate protruding part 2, and the bottom side part of the two circular buffer sleeves 201 is in abutting contact with the PVC base plate 1, so that when the horizontal decorative plate of the decorative plate protruding part 2 is impacted or shocked, the two circular buffer sleeves 201 can be elastically deformed after being pressed, so as to buffer the impact and shock force, reduce the probability of damage of the decorative plate protruding part 2 and the whole PVC decorative plate caused by impact, prolong the service life of the PVC decorative plate, and reduce the disassembly and replacement frequency of the decorative plate protruding part 2 in the service life of the PVC decorative plate.

[0048] The specific use and role of the embodiment are as follows: when the two PVC decorative plates are spliced, the L-shaped upturned plate 101 at the left end of the right PVC base plate 1 is partially clamped and pressed with the right end of the left PVC base plate 1, and a row of plug-in baffle plates 102 on the right PVC base plate 1 are plugged into the top end of a row of insertion slots on the right supporting frame 203 of the rightmost decorative plate protruding part 2 on the left PVC base plate 1;

[0049] The two plug-in positioning members 4 can insert and fix the decorative plate protruding part 2 and the left and right supporting frames 203 at the bottom of the decorative plate protruding part 2 on the four limiting long strip plates 105 through the two rows of plug-in positioning blocks 402, so that the decorative plate protruding part 2 and the PVC base plate 1 are fixed together. The two sliding fixing members 3 can hook and pull the two plug-in positioning members 4 and the four protruding limiting blocks 401 on the two plug-in positioning members 4 through the left and right four L-shaped clamping plates 301, so that the two rows of plug-in positioning blocks 402 are kept in the use state of being inserted and positioned in the four limiting long strip plates 105. When the two sliding fixing members 3 are separated from the four protruding limiting blocks 401, the two plug-in positioning members 4 and the two rows of plug-in positioning blocks 402 thereon can move away from each other and slide out to loosen the two supporting frames 203 at the bottom of the decorative plate protruding part 2. After the decorative plate protruding part 2 is moved and loosened, the decorative plate protruding part 2 can be removed and replaced separately when it is damaged;

[0050] When the horizontal decorative plate of the decorative plate protruding part 2 is hit or impacted, the two circular buffer sleeves 201 can be elastically deformed after being pressed to buffer the impact force. The two rectangular empty grooves 103 are inserted and matched with the two L-shaped clamping plates 301 on the two sliding fixing members 3 close to the two rectangular empty grooves 103, and the two rectangular empty grooves 103 can provide operation space for the sliding of the two sliding fixing members 3;

[0051] A row of positioning short support columns 106 are equidistantly arranged in each of the strip-shaped clamping grooves 104, and a row of positioning holes are equidistantly arranged on the bottom plate of the supporting frame 203. A row of positioning holes are inserted and matched with a row of positioning short support columns 106, which can left and right movably position the supporting frame 203 and reduce the probability of dislocation of the supporting frame 203 from the strip-shaped clamping groove 104;

[0052] When the two PVC decorative plates are spliced, a row of plug-in baffle plates 102 on the right PVC base plate 1 are plugged into the top end of a row of insertion slots on the right supporting frame 203 of the rightmost decorative plate protruding part 2 on the left PVC base plate 1, and the spliced PVC decorative plate can be indirectly clamped and inserted and positioned by the rightmost decorative plate protruding part 2. The rightmost decorative plate protruding part 2 can be removed to replace the entire middle PVC decorative plate.

Claims

1. A pressure-resistant PVC decorative board with cushioning function, comprising: A PVC substrate (1) has an L-shaped raised plate (101) at its left end. When two adjacent PVC substrates (1) are installed side by side, the L-shaped raised plate (101) at the left end of the right PVC substrate (1) is pressed against the right end of the left PVC substrate (1). The PVC substrate (1) is characterized by having multiple sets of strip-shaped mounting slots (104) arranged in pairs at equal intervals. A row of decorative panel protrusions (2) is inserted into each of the multiple sets of strip-shaped mounting slots (104). The starting part (2) has a U-shaped structure; the decorative panel protrusion (2) is composed of a top horizontal decorative panel and two support frames (203) symmetrically arranged at the bottom of the horizontal decorative panel. The support frame (203) has a long rectangular structure, and a row of vertical blocks is equidistantly arranged inside the support frame (203). A row of slots is formed between the vertical blocks. Two sliding fasteners (3) are symmetrically slidably installed on the horizontal decorative panel. The sliding fasteners (3) are composed of a U-shaped sliding frame and two slots symmetrically arranged at the bottom of the left and right ends of the U-shaped sliding frame. The L-shaped card plate (301) is composed of two limiting strip plates (105) symmetrically arranged on the left and right sides of each strip-shaped card slot (104) on the PVC substrate (1). Each limiting strip plate (105) has a row of rectangular slots, and two insertion positioning parts (4) are symmetrically slidably installed on the four limiting strip plates (105) on the left and right sides of the multiple sets of strip-shaped card slots (104). The insertion positioning part (4) is composed of a main bar and a row of insertion positioning blocks (40) respectively arranged on the left and right sides of the main bar. 2) Together with two protruding limiting blocks (401), one row of plug-in positioning blocks (402) passes through two rows of rectangular sockets on the two limiting strips (105) and slides against the bottom side plate of the support frame (203); the two sliding fixing parts (3) are fixed on the top decorative plate of the decorative panel protrusion (2), and the four L-shaped plates (301) on the left and right sides of the two sliding fixing parts (3) slide against the four plug-in positioning blocks (402) on the two plug-in positioning parts (4) on the left and right sides of the decorative panel protrusion (2).

2. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: Two track strips (202) are symmetrically arranged on the left and right sides of the horizontal decorative panel, and the vertical support parts on the left and right sides of the sliding fixing part (3) slide in cooperation with the two track strips (202).

3. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: The vertical support portion of the L-shaped card plate (301) slides against and adheres to the outer side portion of the protruding limiting block (401).

4. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: Each of the strip-shaped mounting slots (104) is provided with a row of positioning short support columns (106) at equal intervals, and a row of positioning holes is provided at equal intervals on the bottom plate of the support frame (203), and a row of positioning holes is inserted and engaged with a row of positioning short support columns (106).

5. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: A row of plug-in positioning blocks (402) on the plug-in positioning member (4) is plugged into the bottom part of a row of slots on the support frame (203).

6. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: A row of plug-in baffles (102) is provided on the top horizontal part of the L-shaped raised plate (101). When two adjacent PVC substrates (1) are installed side by side, the row of plug-in baffles (102) on the right PVC substrate (1) is plugged into the top part of a row of slots on the right support frame (203) of the rightmost decorative panel protrusion (2) on the left PVC substrate (1).

7. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: The decorative panel protrusion (2) has two circular buffer sleeves (201) symmetrically fixed at the bottom of the horizontal decorative panel. The bottom side of the two circular buffer sleeves (201) abuts against the PVC substrate (1), and the two circular buffer sleeves (201) can be elastically deformed after being pressed.

8. The pressure-resistant PVC decorative board with buffering function as described in claim 6, characterized in that: Two rectangular empty slots (103) are symmetrically arranged between the row of plug-in baffles (102). When the two PVC substrates (1) are spliced ​​together, the two rectangular empty slots (103) are fitted with two L-shaped clips (301) on the two sliding fixing parts (3) near them.

9. The pressure-resistant PVC decorative board with buffering function as described in claim 1, characterized in that: A locking bolt is rotatably installed at the middle of the top of the sliding fastener (3), and the sliding fastener (3) is fixedly connected to the horizontal decorative panel of the decorative panel protrusion (2) through this locking bolt.

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