Novel PVC (polyvinyl chloride) composite board anti-shrinkage stress dispersion assembly

By introducing dispersion and buffering mechanisms into PVC composite boards, the problems of creep and fracture under long-term load or stress are solved, achieving effective stress dispersion and buffering, and improving the shrinkage resistance and service life of the boards.

CN224260647UActive Publication Date: 2026-05-19HAINING JIALEBAO NEW MATERIALS CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HAINING JIALEBAO NEW MATERIALS CO LTD
Filing Date
2025-07-17
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

Existing PVC composite panels are prone to creep or breakage under long-term load-bearing or stress conditions, resulting in a reduced service life.

Method used

By employing multiple composite plates, combined with a stress-dispersing mechanism, a stress-relieving mechanism, and a splicing mechanism, stress is effectively dispersed and buffered by dispersing and buffering stress, and by using elastic elements and sliding structures to decompose elastic force.

Benefits of technology

It effectively disperses and buffers stress, improves the shrinkage resistance of PVC composite boards, prevents creep and cracking, and extends service life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of PVC composite boards, and discloses a novel PVC composite board anti-shrinkage stress dispersion assembly which comprises a plurality of composite boards, the tops of the composite boards are fixedly connected with dispersion mechanisms, the dispersion mechanisms are used for dispersing stress borne by the boards, a plurality of force release mechanisms are installed at the tops of the outer walls of the composite boards at equal intervals, and the stress release mechanisms are used for releasing stress borne by the boards. The force release mechanism is used for decomposing elastic force, the left side and the right side of the outer wall of the composite plate are fixedly connected with splicing mechanisms, and the splicing mechanisms are used for quickly splicing the plates for use; the dispersing mechanism comprises a hollow cylinder; and the hollow cylinder is fixedly connected to the top of the composite plate. According to the utility model, the hollow cylinder and the air leakage groove of the first piston cylinder exhaust air for buffering, further decomposes force, after external force disappears, the first spring rebounds, the resilience force is transmitted through the elastic rope, the second piston push rod in the second piston cylinder slides to generate resistance, the resilience force is decomposed, and finally, the stress dispersion and shrinkage resistance effects are realized.
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Description

Technical Field

[0001] This utility model relates to the field of PVC composite board technology, and in particular to a novel PVC composite board anti-shrinkage stress dispersion component. Background Technology

[0002] PVC composite panels are a new type of panel made of polyvinyl chloride (PVC) resin as the main base material, combined with other materials (such as plastics, metals, wood, and fibers) and processed through specific processes (extrusion, lamination, co-extrusion). The new PVC composite panel anti-shrinkage stress dispersion component refers to the relevant structure that reduces or eliminates the stress caused by shrinkage during the production and use of PVC composite panels by adding specific substances, designing special structures, or adopting related technologies, thereby improving the dimensional stability and mechanical properties of the panels.

[0003] A search revealed Chinese patent publication number CN202039528U, which discloses a PVC composite board, comprising a PVC sheet layer and an interlayer, wherein the interlayer is composite with the PVC sheet layer. The PVC sheet layer consists of two layers, upper and lower, with the interlayer disposed between the PVC sheet layers. Alternatively, the PVC sheet layer can be a single layer, with the interlayer located below or above it. The interlayer is made of polystyrene. This invention offers advantages such as heat insulation, sound insulation, radiation protection, and environmental friendliness. However, in scenarios involving long-term load-bearing or stress, such as shelf partitions, continuous stress can exacerbate shrinkage stress, leading to creep or breakage of the PVC composite board, thus reducing its service life. Utility Model Content

[0004] To overcome the above deficiencies, this utility model provides a novel anti-shrinkage stress dispersion component for PVC composite panels, which aims to improve the problem that PVC composite panels in the prior art will creep or break under long-term load or stress, thereby reducing the service life of PVC composite panels.

[0005] To achieve the above objectives, this utility model adopts the following technical solution: a novel PVC composite board anti-shrinkage stress dispersion component, comprising multiple composite boards, a dispersion mechanism fixedly connected to the top of each composite board, the dispersion mechanism being used to disperse the stress on the board, multiple stress relief mechanisms equidistantly installed on the top of the outer wall of each composite board, the stress relief mechanisms being used to decompose elastic force, and splicing mechanisms fixedly connected to the left and right sides of the outer wall of each composite board, the splicing mechanisms being used to quickly assemble the boards for use; the dispersion mechanism includes a hollow cylinder, the hollow cylinder being fixedly connected to the top of the composite board, multiple venting grooves equidistantly formed around the inner wall of the hollow cylinder, a cross slide plate slidably connected inside the hollow cylinder, a sliding column fixedly connected to the top of the cross slide plate, a first piston cylinder fixedly connected to each of the four corners of the top of the upper composite board, a spring fixedly connected to the outer wall of the first piston cylinder, a first piston push rod installed inside the first piston cylinder, a circular plate fixedly connected to the outer wall of the first piston push rod, elastic ropes fixedly connected to the outer walls of the circular plates, and a venting groove formed at the bottom of the outer wall of the first piston cylinder.

[0006] As a further description of the above technical solution:

[0007] The pressure relief mechanism includes a second piston cylinder, which is equidistantly installed on the top of the composite plate, and a second piston push rod is slidably connected inside the second piston cylinder.

[0008] As a further description of the above technical solution:

[0009] The splicing mechanism includes an elongated plate, which is fixedly connected to the left and right sides of the outer wall of the composite plate. Each adjacent side of the outer wall of the elongated plate is fixedly connected to a locking block at the bottom. Adjusting plates are fixedly connected to the left and right sides of the outer wall of the lower composite plate. Multiple adjusting slots are equidistantly provided on the outer wall of the adjusting plate. Limiting components are installed on the left and right sides of the outer wall of the upper composite plate.

[0010] As a further description of the above technical solution:

[0011] The limiting component includes a hollow plate. Multiple springs are fixedly connected at equal intervals on the outer wall of the hollow plate away from each other. Multiple support plates are fixedly connected at equal intervals on the outer wall of the hollow plate away from each other. A fixing short rod is fixedly connected to an adjacent side of the outer wall of the support plate. Springs are fixedly connected to the outer wall of the hollow plate away from each other.

[0012] As a further description of the above technical solution:

[0013] The interior of the elongated plate is rotatably connected to the outer wall of the fixed short rod, and the outer wall of the locking block engages with the interior of the adjusting long groove.

[0014] As a further description of the above technical solution:

[0015] The interior of the elongated plate is rotatably connected to the outer wall of the fixed short rod, and the outer wall of the locking block engages with the interior of the adjusting long groove.

[0016] As a further description of the above technical solution:

[0017] The top end of the spring is fixedly connected to the bottom end of the circular plate, and the ends of the elastic rope are fixedly connected to the outer walls of the cross-shaped sliding plate.

[0018] As a further description of the above technical solution:

[0019] The top end of the first piston rod is fixedly connected to a top plate, and the vent groove is circular in shape.

[0020] This utility model has the following beneficial effects:

[0021] 1. In this utility model, when the top plate moves downward under force, it drives the first piston push rod to compress the first spring. The circular plate pulls the cross slide plate through the elastic rope, dispersing the concentrated force to the four elastic ropes. When the cross slide plate slides down, the venting grooves of the hollow cylinder and the first piston cylinder release air and buffer, further decomposing the force. After the external force disappears, the first spring rebounds. The rebound force is transmitted through the elastic rope, and the sliding of the second piston push rod in the second piston cylinder generates resistance, decomposing the rebound force, and finally achieving stress dispersion and anti-shrinkage effect.

[0022] 2. In this utility model, during splicing, the locking block of the upper composite plate is aligned with the adjustment slot of the lower composite plate adjustment plate and pressed into place. The adjustment slot can adjust the splicing position. After splicing, the second spring keeps the hollow plate tightly against the adjustment plate to prevent the locking block from coming out, thus achieving a stable splicing. Attached Figure Description

[0023] Figure 1 This is a front view of the novel PVC composite board anti-shrinkage stress dispersion component proposed in this utility model;

[0024] Figure 2 This is a perspective view of the novel PVC composite board anti-shrinkage stress dispersion component proposed in this utility model;

[0025] Figure 3 This is a partial structural schematic diagram of the novel PVC composite board anti-shrinkage stress dispersion component proposed in this utility model;

[0026] Figure 4 for Figure 3 Enlarged view of point A in the middle;

[0027] Figure 5This is a partial structural schematic diagram of the novel PVC composite board anti-shrinkage stress dispersion component proposed in this utility model;

[0028] Figure 6 This is a schematic diagram of the splicing mechanism of the novel PVC composite board anti-shrinkage stress dispersion component proposed in this utility model.

[0029] Legend:

[0030] 1. Composite plate; 2. Dispersion mechanism; 201. Hollow cylinder; 202. Cross slide plate; 203. Sliding column; 204. Elastic rope; 205. Spring 1; 206. First piston cylinder; 207. First piston push rod; 208. Circular plate; 209. Venting groove; 3. Force relief mechanism; 301. Second piston cylinder; 302. Second piston push rod; 4. Splicing mechanism; 401. Long plate; 402. Locking block; 403. Adjusting long groove; 404. Adjusting plate; 405. Limiting component; 4051. Hollow plate; 4052. Spring 2; 4053. Fixed short rod; 4054. Support plate; 5. Top plate. Detailed Implementation

[0031] 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.

[0032] Reference Figure 3 , Figure 4 and Figure 5This utility model provides an embodiment of a novel PVC composite board anti-shrinkage stress dispersion component, comprising multiple composite panels 1. A dispersion mechanism 2 is fixedly connected to the top of each composite panel 1, used to disperse the stress on the board. Multiple stress-relieving mechanisms 3 are equidistantly installed on the top of the outer wall of each composite panel 1, used to decompose elastic force. Splicing mechanisms 4 are fixedly connected to the left and right sides of the outer wall of each composite panel 1, used for quickly assembling the boards for use. The dispersion mechanism 2 includes a hollow cylinder 201, fixedly connected to the top of the composite panel 1. Multiple air-venting grooves 209 are equidistantly formed around the inner wall of the hollow cylinder 201. A cross-shaped sliding plate 202 is slidably connected inside the hollow cylinder 201, and a sliding column 203 is fixedly connected to the top of the cross-shaped sliding plate 202. A first piston cylinder 206 is fixedly connected to each of the four corners of the top of the upper composite plate 1. A spring 205 is fixedly connected to the outer wall of the first piston cylinder 206. A first piston push rod 207 is installed inside the first piston cylinder 206. A circular plate 208 is fixedly connected to the outer wall of the first piston push rod 207. An elastic rope 204 is fixedly connected to the outer wall of the circular plate 208. A venting groove 209 is opened at the bottom of the outer wall of the first piston cylinder 206. The venting mechanism 3 includes a second piston cylinder 301. The second piston cylinder 301 is equidistantly installed on the top of the composite plate 1. A second piston push rod 302 is slidably connected inside the second piston cylinder 301. The outer wall of the cross slide plate 202 is slidably connected to the inside of the venting groove 209. The bottom end of the slide column 203 is fixedly connected to the top of the cross slide plate 202.

[0033] Specifically, when the top plate 5 is subjected to external pressure or stress due to the shrinkage of the plate, the top plate 5 will move downward, thereby causing the first piston push rod 207 to slide downward. The downward movement of the first piston push rod 207 will push the circular plate 208 to compress the spring 205. At the same time, the circular plate 208 pulls the cross slide plate 202 downward inside the hollow cylinder 201 through the elastic rope 204 fixedly connected to the outer wall. During the sliding of the cross slide plate 202, since the elastic ropes 204 are respectively connected to the four sides of the outer wall of the cross slide plate 202, the force originally concentrated on the top plate 5 is distributed to the four elastic ropes 204, realizing the initial dispersion of force. As the cross slide plate 202 continues to slide downward, the venting grooves 209 around the inner wall of the hollow cylinder 201 will expel the internal air, reducing the sliding resistance. At the same time, the first piston push rod 207 in the first piston cylinder 201... As the first piston cylinder 206 slides inward, the air vent 209 at the bottom of the outer wall of the first piston cylinder 206 will also release air, further decomposing and buffering the force, thus dispersing it again. When the external pressure disappears or the contraction stress weakens, the spring 205 will push the circular plate 208 and the first piston push rod 207 to rebound. The rebound force generated at this time will act on the cross slide plate 202 through the elastic rope 204. During the rebound process, the second piston push rod 302 inside the second piston cylinder 301 will slide accordingly, using the resistance during its sliding process to decompose the rebound force and avoid the rebound force from concentrating and affecting the plate, thereby achieving effective dispersion of contraction stress and rebound force, and achieving the effect of resisting contraction stress.

[0034] Reference Figure 1 , Figure 2 and Figure 6 The splicing mechanism 4 includes an elongated plate 401, which is fixedly connected to the left and right sides of the outer wall of the composite panel 1. A locking block 402 is fixedly connected to the bottom of each adjacent side of the outer wall of the elongated plate 401. Adjusting plates 404 are fixedly connected to the left and right sides of the outer wall of the lower composite panel 1. Multiple adjusting slots 403 are equidistantly provided on the outer wall of the adjusting plates 404. Limiting components 405 are installed on the left and right sides of the outer wall of the upper composite panel 1. The limiting components 405 include hollow plates 4051. Multiple springs 4052 are fixedly connected at equal intervals on the outer wall of the hollow plate 4051 on the side away from the outer wall. Multiple support plates 4054 are fixedly connected at equal intervals on the outer wall of the hollow plate 4051 on the side away from the outer wall. A fixed short rod 4053 is fixedly connected to the adjacent side of the outer wall of the support plate 4054. Springs 4052 are fixedly connected to the outer wall of the hollow plate 4051 on the side away from the outer wall. The interior of the elongated plate 401 is rotatably connected to the outer wall of the fixed short rod 4053. The outer wall of the locking block 402 is engaged with the interior of the adjusting long groove 403.

[0035] Specifically, when two panels need to be spliced, the locking block 402 of the upper composite panel 1 is aligned with the adjusting groove 403 on the adjusting plate 404 of the lower composite panel 1, and pressed down to make the locking block 402 fully inserted into the groove. The equidistant distribution of the adjusting grooves 403 can adjust the splicing position according to actual needs to adapt to different sizes or installation requirements. After the splicing is completed, the elasticity of the second spring 4052 makes the hollow plate 4051 stick tightly to the surface of the adjusting plate 404, ensuring that the locking block 402 will not come out of the adjusting groove 403, thus achieving a stable splicing.

[0036] Reference Figure 3 , Figure 4 and Figure 5 The top end of spring 205 is fixedly connected to the bottom end of circular plate 208. The ends of elastic rope 204 are fixedly connected to the outer walls of cross slide plate 202. By sliding cross slide plate 202, elastic rope 204 can be pulled to contract and decompose force. The top end of first piston push rod 207 is fixedly connected to top plate 5. The shape of vent groove 209 is circular. The circular groove structure can make the air flow more uniform, avoid local air pressure resistance caused by poor exhaust, ensure that cross slide plate 202 slides smoothly, and help elastic rope 204 to distribute stress more smoothly.

[0037] Specifically, the top of spring 205 is fixedly connected to the bottom of circular plate 208, and the ends of elastic rope 204 are fixedly connected to the outer walls of cross slide plate 202. By sliding cross slide plate 202, elastic rope 204 can be pulled to contract and decompose force. The top of first piston push rod 207 is fixedly connected to top plate 5. The shape of vent groove 209 is circular. The circular groove structure can make the air flow more uniform, avoid local air pressure resistance caused by poor exhaust, ensure that cross slide plate 202 slides smoothly, and help elastic rope 204 to distribute stress more smoothly.

[0038] Working principle: When the top plate 5 is subjected to external pressure or stress due to the shrinkage of the plate, the top plate 5 will move downward, thereby driving the first piston push rod 207 to slide downward. The downward movement of the first piston push rod 207 will push the circular plate 208 to compress the spring 205. At the same time, the circular plate 208 pulls the cross slide plate 202 downward inside the hollow cylinder 201 through the elastic rope 204 fixedly connected to the outer wall. During the sliding of the cross slide plate 202, since the elastic ropes 204 are respectively connected to the four sides of the outer wall of the cross slide plate 202, the force originally concentrated on the top plate 5 is distributed to the four elastic ropes 204, realizing the initial dispersion of force. As the cross slide plate 202 continues to slide downward, the venting grooves 209 around the inner wall of the hollow cylinder 201 will expel the internal air, reducing the sliding resistance. At the same time, the first piston push rod 207 in the first piston cylinder 201... As the first piston cylinder 206 slides inward, the air vent 209 at the bottom of the outer wall of the first piston cylinder 206 will also discharge air, further decomposing and buffering the force, thus dispersing the force again. When the external pressure disappears or the contraction stress weakens, the spring 205 will push the circular plate 208 and the first piston push rod 207 to rebound. The rebound force generated at this time will act on the cross slide plate 202 through the elastic rope 204. During the rebound process, the second piston push rod 302 inside the second piston cylinder 301 will slide accordingly, using the resistance during its sliding process to decompose the rebound force, avoiding the rebound force concentration from affecting the plate, thereby achieving effective dispersion of contraction stress and rebound force, and achieving the effect of resisting contraction stress.

[0039] When two panels need to be spliced, align the locking block 402 of the upper composite panel 1 with the adjusting groove 403 on the adjusting plate 404 of the lower composite panel 1, and press down to make the locking block 402 fully engage in the groove. The equidistant distribution of the adjusting grooves 403 can adjust the splicing position according to actual needs to adapt to different sizes or installation requirements. After splicing, the elastic force of the second spring 4052 makes the hollow plate 4051 stick tightly to the surface of the adjusting plate 404, ensuring that the locking block 402 will not come out of the adjusting groove 403, thus achieving a stable splicing.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A novel PVC composite board anti-shrinkage stress dispersion component, comprising multiple composite panels (1), characterized in that: The top of the composite plate (1) is fixedly connected to a dispersing mechanism (2), which is used to disperse the stress on the plate. Multiple stress relief mechanisms (3) are installed at equal intervals on the top of the outer wall of the composite plate (1), which are used to decompose the elastic force. The left and right sides of the outer wall of the composite plate (1) are fixedly connected to splicing mechanisms (4), which are used to quickly splice the plates for use. The dispersing mechanism (2) includes a hollow cylinder (201), which is fixedly connected to the top of the composite plate (1). Multiple venting grooves (209) are equidistantly provided around the inner wall of the hollow cylinder (201). A cross slide plate (202) is slidably connected inside the hollow cylinder (201). A sliding column (203) is fixedly connected to the top of the cross slide plate (202). A first piston cylinder (206) is fixedly connected to the four corners of the top of the upper composite plate (1). A spring (205) is fixedly connected to the outer wall of the first piston cylinder (206). A first piston push rod (207) is installed inside the first piston cylinder (206). A circular plate (208) is fixedly connected to the outer wall of the first piston push rod (207). An elastic rope (204) is fixedly connected to the outer wall of the circular plate (208). A venting groove (209) is provided at the bottom of the outer wall of the first piston cylinder (206).

2. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 1, characterized in that: The pressure relief mechanism (3) includes a second piston cylinder (301), which is equidistantly installed on the top of the composite plate (1), and a second piston push rod (302) is slidably connected inside the second piston cylinder (301).

3. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 1, characterized in that: The splicing mechanism (4) includes an elongated plate (401), which is fixedly connected to the left and right sides of the outer wall of the composite plate (1). A locking block (402) is fixedly connected to the bottom of the adjacent side of the outer wall of the elongated plate (401). An adjusting plate (404) is fixedly connected to the left and right sides of the outer wall of the lower composite plate (1). Multiple adjusting slots (403) are equidistantly opened on the outer wall of the adjusting plate (404). Limiting components (405) are installed on the left and right sides of the outer wall of the upper composite plate (1).

4. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 3, characterized in that: The limiting component (405) includes a hollow plate (4051), with multiple springs (4052) fixedly connected at equal intervals on the outer wall of the hollow plate (4051) away from each other. Multiple support plates (4054) are fixedly connected at equal intervals on the outer wall of the hollow plate (4051) away from each other. A fixing short rod (4053) is fixedly connected to an adjacent side of the outer wall of the support plate (4054). Springs (4052) are fixedly connected to the outer wall of the hollow plate (4051) away from each other.

5. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 4, characterized in that: The interior of the elongated plate (401) is rotatably connected to the outer wall of the fixed short rod (4053), and the outer wall of the locking block (402) engages with the interior of the adjusting groove (403).

6. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 1, characterized in that: The outer wall of the cross slide plate (202) is slidably connected to the interior of the vent groove (209), and the bottom end of the slide column (203) is fixedly connected to the top of the cross slide plate (202).

7. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 1, characterized in that: The top end of the spring (205) is fixedly connected to the bottom end of the circular piece (208), and the ends of the elastic rope (204) are fixedly connected to the outer walls of the cross slide plate (202).

8. The novel PVC composite board anti-shrinkage stress dispersion component according to claim 1, characterized in that: The top end of the first piston push rod (207) is fixedly connected to a top plate (5), and the vent groove (209) is circular in shape.