Carton compression cushioning inner pad structure
By symmetrically distributing key components such as damping sleeves, damping supports, buffer springs, and buffer sleeves in the inner padding structure of the carton, the problem of poor cushioning effect of the carton is solved, achieving more efficient cushioning performance and compression resistance, and improving the reliability and stability of the system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TAIAN SUNSHINE TIANCHENG PRINTING CO LTD
- Filing Date
- 2025-09-10
- Publication Date
- 2026-07-21
AI Technical Summary
The existing cardboard box compression cushioning structure has poor cushioning effect when placed on equipment, resulting in product damage.
The damping sleeves and damping struts are symmetrically distributed in groups to consume kinetic energy through sliding friction and slow down the pressure transmission speed; the buffer spring stores and releases energy; the buffer struts and buffer sleeves form a sliding pair to absorb residual vibration; key components are symmetrically distributed with the base plate as the center to avoid off-center load torsional deformation.
It improves buffering efficiency, reduces the impact of secondary impacts, maintains stable buffering efficiency, enhances the compressive strength limit, avoids malfunctions, and strengthens system reliability.
Smart Images

Figure CN224529502U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of cardboard box compression cushioning technology, and in particular to a cardboard box compression cushioning inner pad structure. Background Technology
[0002] The cardboard box's compression-resistant cushioning structure primarily uses corrugated cardboard as its core material, employing a wavy corrugated pattern to achieve cushioning and support. Here are its specific structural features: The core corrugated cardboard structure is composed of double-sided corrugated paper and flat paper, with the double-sided corrugations forming a wavy pattern, resembling the structure of Chinese roof tiles. This design enhances compression resistance through folds while maintaining lightweight and reusability. The cushioning principle utilizes the corrugated pattern to achieve cushioning in the following ways: Impact Dispersion: The wavy pattern absorbs and disperses external force under pressure, preventing localized damage. Elastic Support: The combination of corrugated and flat paper forms an arched structure, providing vertical elastic support. Multi-layer Stacking: By stacking multiple layers of corrugated cardboard, the overall compression resistance is further enhanced.
[0003] An existing carton compression cushioning structure is not ideal for actual operation and use. When the entire equipment is placed at the bottom of the carton, the cushioning effect is poor, which can lead to damage to the carton after the product is placed inside. Utility Model Content
[0004] To solve the above-mentioned technical problems, this utility model provides a carton compression-resistant buffer pad structure.
[0005] This utility model is achieved using the following technical solution: a cardboard box compression-resistant buffer pad structure, including a placement base plate, a buffer groove formed at the bottom of the placement base plate, a buffer rubber column fixedly connected to the bottom of the placement base plate, a damping sleeve fixedly connected to the top of the placement base plate, a damping support column slidably connected to the top of the damping sleeve, a bearing top plate fixedly connected to the top of the damping support column, a limit support ring fixedly connected to the bottom of the bearing top plate, a buffer spring fixedly connected to the bottom of the bearing top plate, a buffer support column fixedly connected to the bottom of the bearing top plate, and a buffer sleeve slidably connected to the bottom of the buffer support column.
[0006] Through the above technical solution, the limiting support ring is fixed to the bottom of the bearing top plate, limiting its maximum displacement range and preventing excessive compression from causing structural failure. The bearing top plate, as a secondary load-bearing surface, distributes the pressure evenly to the buffer components below, maintaining the overall structural stability.
[0007] As a further improvement to the above solution, the number of buffer rubber columns is set to several, and the several buffer rubber columns are evenly distributed around the base plate as the center, and the buffer rubber columns are fixedly connected to the bottom of the buffer groove.
[0008] Through the above technical solution, several buffer rubber columns are equidistantly distributed around the base plate and embedded in the bottom of the buffer groove. They are the first to come into contact with external pressure and deform, converting the instantaneous impact force into elastic potential energy, thus achieving the first level of buffering. The equidistant arrangement of the rubber columns ensures uniform force distribution and avoids local stress concentration.
[0009] As a further improvement to the above solution, the placement base plate is located at the bottom of the supporting top plate, the placement base plate is located at the bottom of the damping strut, and a buffer spring is fixedly connected to the top of the placement base plate.
[0010] With the above technical solution, the buffer support and buffer sleeve are located inside the buffer spring, and the sliding structure is arranged in the spring cavity to minimize the size of the device and adapt to the internal space requirements of different sized cartons.
[0011] As a further improvement to the above scheme, the number of damping sleeves and damping supports is set to several, with each pair forming a group, and the several damping sleeves and damping supports are symmetrically distributed around the base plate.
[0012] Through the above technical solution, the damping strut is slidably connected to the damping sleeve, and the buffer strut is slidably connected to the buffer sleeve. The two form a linkage adjustment mechanism, which can automatically adjust the effective buffer stroke according to the weight of the cargo.
[0013] As a further improvement to the above solution, the buffer sleeve is fixedly connected to the top of the placement base plate, and the buffer support is located at the top of the placement base plate.
[0014] As a further improvement to the above solution, the limiting support ring is fixedly connected to the top of the base plate, and the buffer support and buffer sleeve are located inside the buffer spring.
[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:
[0016] This invention utilizes a symmetrically distributed group of damping sleeves and damping supports to dissipate kinetic energy through sliding friction, thereby slowing down the transmission speed of pressure to the supporting top plate and reducing the impact of secondary impacts on internal items. The damping structure can adapt to different loads and maintain stable buffering efficiency. By setting a buffer spring to connect the supporting top plate and the placement bottom plate, the spring stores energy after being compressed and provides a reverse elastic force during the pressure release phase. The buffer support and buffer sleeve form a sliding pair to further absorb residual vibrations, thereby improving the overall buffering efficiency of the equipment.
[0017] This invention features key components such as damping sleeves, damping struts, and buffer struts symmetrically distributed around the base plate, ensuring that the force direction always points towards the geometric center. This prevents torsional deformation caused by off-center loading and improves the compressive strength. Furthermore, by calibrating the sliding friction coefficient between the damping sleeves and damping struts, the buffer stroke is only activated when a set threshold is exceeded, preventing malfunctions caused by minor daily vibrations and enhancing system reliability. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0019] Figure 2 This is a schematic diagram of the structure of this utility model from below;
[0020] Figure 3 This is a schematic diagram of the side anatomical structure of the present invention;
[0021] Figure 4 This is a frontal anatomical diagram of the present invention.
[0022] Explanation of key symbols:
[0023] 1. Base plate; 2. Buffer groove; 3. Buffer rubber column; 4. Damping sleeve; 5. Damping support column; 6. Bearing top plate; 7. Limiting support ring; 8. Buffer spring; 9. Buffer support column; 10. Buffer sleeve. Detailed Implementation
[0024] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.
[0025] Example:
[0026] Please combine Figure 1-4This embodiment of a cardboard box compression cushioning structure includes a base plate 1, a cushioning groove 2 at the bottom of the base plate 1, a cushioning rubber column 3 fixedly connected to the bottom of the base plate 1, a damping sleeve 4 fixedly connected to the top of the base plate 1, a damping support column 5 slidably connected to the top of the damping sleeve 4, a bearing top plate 6 fixedly connected to the top of the damping support column 5, a limit support ring 7 fixedly connected to the bottom of the bearing top plate 6, a cushioning spring 8 fixedly connected to the bottom of the bearing top plate 6, and a cushioning support column 9 fixedly connected to the bottom of the bearing top plate 6. The device is equipped with a sliding connection and a buffer sleeve 10. By setting the damping sleeve 4 and the damping support 5 in a symmetrical group, the kinetic energy is consumed through sliding friction, which slows down the transmission speed of pressure to the bearing top plate 6 and reduces the impact of secondary impact on the internal items. The damping structure can adapt to different loads and maintain stable buffering efficiency. A buffer spring 8 is set to connect the bearing top plate 6 and the placement bottom plate 1. After being compressed, it stores energy and provides reverse elastic force during the pressure release stage. The buffer support 9 and the buffer sleeve 10 form a sliding pair to further absorb residual vibration and improve the overall buffering efficiency of the equipment.
[0027] The limiting support ring 7 is fixed to the bottom of the bearing top plate 6 to limit its maximum displacement range and prevent excessive compression from causing structural failure. The bearing top plate 6, as a secondary load-bearing surface, distributes the pressure evenly to the buffer components below to maintain the overall structural stability.
[0028] The number of buffer rubber columns 3 is set to several, and the several buffer rubber columns 3 are evenly distributed around the base plate 1 as the center. The buffer rubber columns 3 are fixedly connected to the bottom of the buffer groove 2.
[0029] Several buffer rubber columns 3 are equidistantly distributed around the base plate 1 and embedded in the bottom of the buffer groove 2. They are the first to come into contact with the external pressure and deform, converting the instantaneous impact force into elastic potential energy, thus achieving the first level of buffering. The equidistant arrangement of the rubber columns ensures uniform force distribution and avoids local stress concentration.
[0030] The base plate 1 is located at the bottom of the supporting top plate 6 and at the bottom of the damping support column 5. A buffer spring 8 is fixedly connected to the top of the base plate 1.
[0031] The buffer support 9 and the buffer sleeve 10 are located inside the buffer spring 8. The sliding structure is arranged using the spring cavity to minimize the size of the device and adapt to the internal space requirements of different sized cartons.
[0032] The number of damping sleeves 4 and damping struts 5 is set to several, and each pair is a group. The several damping sleeves 4 and damping struts 5 are symmetrically distributed with the base plate 1 as the center.
[0033] The damping strut 5 is slidably connected to the damping sleeve 4, and the buffer strut 9 is slidably connected to the buffer sleeve 10. The two form a linkage adjustment mechanism, which can automatically adjust the effective buffer stroke according to the weight of the cargo.
[0034] The buffer sleeve 10 is fixedly connected to the top of the base plate 1, and the buffer support 9 is located on the top of the base plate 1. By setting key components such as the damping sleeve 4, damping support 5, and buffer support 9 to be symmetrically distributed around the base plate 1, the force direction always points to the geometric center, avoiding torsional deformation caused by off-center loading and improving the compressive strength limit. By setting the sliding friction coefficient between the damping sleeve 4 and the damping support 5 to be calibrated, the buffer stroke will only be activated when the set threshold is exceeded, avoiding malfunctions caused by minor daily vibrations and improving system reliability.
[0035] The limiting support ring 7 is fixedly connected to the top of the base plate 1, and the buffer support 9 and the buffer sleeve 10 are located inside the buffer spring 8.
[0036] The implementation principle of the cardboard box compression buffer pad structure in this application embodiment is as follows: By setting the damping sleeve 4 and damping support column 5 in a symmetrical distribution, the kinetic energy is consumed through sliding friction, which slows down the transmission speed of pressure to the bearing top plate 6 and reduces the impact of secondary impact on the internal items. The damping structure can adapt to different loads and maintain stable buffering efficiency. By setting the buffer spring 8 to connect the bearing top plate 6 and the placement bottom plate 1, the spring stores energy after being compressed and provides reverse elastic force during the pressure release stage. The buffer support column 9 and the buffer sleeve 10 form a sliding pair to further absorb residual vibration and improve the overall buffering efficiency of the equipment. By setting the key components such as the damping sleeve 4, damping support column 5, and buffer support column 9 to be symmetrically distributed with the placement bottom plate 1 as the center, the force direction always points to the geometric center, avoiding torsional deformation caused by off-center loading and improving the compression limit. By setting the sliding friction coefficient of the damping sleeve 4 and damping support column 5 to be calibrated, the buffer stroke will only be activated when the set threshold is exceeded, avoiding malfunctions caused by minor daily vibrations and improving system reliability.
[0037] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.
Claims
1. A cardboard box compression-resistant cushioning inner pad structure, characterized in that, The system includes a base plate (1), a buffer groove (2) at the bottom of the base plate (1), a buffer rubber column (3) fixedly connected to the bottom of the base plate (1), a damping sleeve (4) fixedly connected to the top of the base plate (1), a damping support column (5) slidably connected to the top of the damping sleeve (4), a bearing top plate (6) fixedly connected to the top of the damping support column (5), a limit support ring (7) fixedly connected to the bottom of the bearing top plate (6), a buffer spring (8) fixedly connected to the bottom of the bearing top plate (6), a buffer support column (9) fixedly connected to the bottom of the bearing top plate (6), and a buffer sleeve (10) slidably connected to the bottom of the buffer support column (9).
2. The cardboard box compression-resistant cushioning inner pad structure as described in claim 1, characterized in that: The number of buffer rubber columns (3) is set to several, and the several buffer rubber columns (3) are evenly distributed around the base plate (1). The buffer rubber columns (3) are fixedly connected to the bottom of the buffer groove (2).
3. The cardboard box compression-resistant cushioning inner pad structure as described in claim 1, characterized in that: The placement base plate (1) is located at the bottom of the supporting top plate (6), the placement base plate (1) is located at the bottom of the damping support column (5), and a buffer spring (8) is fixedly connected to the top of the placement base plate (1).
4. The cardboard box compression-resistant cushioning inner pad structure as described in claim 1, characterized in that: The number of damping sleeves (4) and damping struts (5) is set to several, and each pair is a group. The several damping sleeves (4) and damping struts (5) are symmetrically distributed with the base plate (1) as the center.
5. The cardboard box compression-resistant cushioning inner pad structure as described in claim 1, characterized in that: The buffer sleeve (10) is fixedly connected to the top of the base plate (1), and the buffer support (9) is located on the top of the base plate (1).
6. The cardboard box compression-resistant cushioning inner pad structure as described in claim 1, characterized in that: The limiting support ring (7) is fixedly connected to the top of the base plate (1), and the buffer support (9) and buffer sleeve (10) are located inside the buffer spring (8).