Protective liner for end part of indoor unit of air conditioner
By designing protective pads for the ends of air conditioning indoor units, adopting a rectangular base plate and side plate structure, and incorporating vibration damping grooves on the inner surface and blind holes on the side plates, the problems of excessive material usage and poor vibration damping effect of existing pads are solved, achieving efficient buffer protection and cost savings.
Patent Information
- Application Number
- CN202520692405.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-04-14
AI Technical Summary
Existing air conditioner indoor unit gaskets suffer from problems such as large material usage, high cost, and poor vibration damping effect in terms of cushioning and protection.
An end protective pad for an air conditioner indoor unit was designed, which adopts a rectangular base plate and four vertical rectangular side plates. The inner surface of the base plate is provided with vibration damping grooves, and the side plates are provided with blind vibration damping holes. The material is EPS. The structural design is designed to improve the cushioning performance and reduce the amount of material used.
This approach achieves the goal of reducing material usage and saving packaging costs while ensuring cushioning and protection, and simultaneously improving the structural strength and vibration damping performance of the padding.
Smart Images

Figure CN223920087U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a packing piece, concretely is a packing in the end part of air conditioner indoor unit, plays the cushioning and protecting effect of gasket. BACKGROUND
[0002] Air conditioner products from factory to installation to user's home, will go through packing, carrying, transportation and so on. In these processes, air conditioner products are prone to falling, collision, vibration and so on, which may cause damage to the air conditioner products, and even affect the product function. In order to protect the air conditioner product, generally through the gasket for buffering protection.
[0003] The air conditioner indoor unit is roughly in the shape of a cuboid, according to the orientation of the panel facing the air conditioner indoor unit, the existing gasket is two, which are installed at the left and right ends of the air conditioner indoor unit. For example, the patent with the authorization announcement number CN221189867U discloses a packaging structure of air conditioner indoor unit, which comprises a packaging cylinder and two oppositely arranged supporting pieces. The two supporting pieces are both provided with accommodating grooves, the shape of the accommodating grooves is adapted to the shape of the end part of the air conditioner indoor unit, the accommodating grooves wrap the air conditioner indoor unit from the side, and the left and right end faces of the whole air conditioner indoor unit are wrapped by the two supporting pieces, and the whole wrapping is realized by cooperating with the packaging cylinder. The supporting piece is also provided with a buckle groove, which facilitates the operator to grab or lift the air conditioner indoor unit assembly from the outside.
[0004] The gasket of the air conditioner indoor unit is a light material, generally EPS, i.e. polystyrene. In order to make the gasket have sufficient buffering protection effect, the gasket should have sufficient thickness to ensure that the gasket can well absorb energy; the gasket should also be provided with a reasonable damping structure to improve the damping effect. The gasket should have sufficient strength to ensure the stability of its own structure and impact resistance, so as to avoid damage such as collapse and cracking of the gasket after impact, and further damage to the air conditioner indoor unit. The existing air conditioner indoor unit gasket mostly adopts solid structure and does not set a reasonable damping structure, resulting in large thickness of the gasket, large amount of gasket material, and high cost of the gasket. The gasket is generally discarded after use, and the material waste is obvious. UTILITY MODEL CONTENTS
[0005] The utility model provides a kind of air conditioner indoor unit end protection gasket, the purpose is to improve the damping performance of gasket, reduce the material of gasket.
[0006] The technical solution adopted by this utility model is: an end protective pad for an air conditioner indoor unit, including a rectangular base plate and four side plates located around the base plate. The four side plates are all rectangular and perpendicular to the base plate. The side plates and the base plate are integral. The overall shape of the base plate and the side plates is cuboid. The base plate and the four side plates form an open inner cavity. The inner surface of the base plate is provided with a vibration damping groove, which does not penetrate the outer surface of the base plate. Vibration damping holes are provided at intervals on the end faces of the four side plates away from the base plate. The vibration damping holes are blind holes, and the connection part between two adjacent side plates is a solid structure.
[0007] Both the base plate and side plates are made of lightweight materials; specifically, both the base plate and side plates are made of EPS (expanded polystyrene).
[0008] To facilitate workers in gripping the base plate to move the indoor air conditioner unit, a further feature is provided: the center of the base plate is equipped with a through-hole, and the vibration damping groove is either separate from or connected to the through-hole.
[0009] The vibration damping groove can have any shape on the cross-section parallel to the base plate. Specifically, the vibration damping groove is rectangular on the cross-section parallel to the base plate.
[0010] The external corner formed by the base plate and the side plate is the most vulnerable to impact. To ensure the strength of the connection between the side plate and the base plate, furthermore, the distance between the bottom of the vibration damping hole and the outer surface of the base plate should not be less than the thickness of the base plate.
[0011] To ensure the strength of the side plate, the minimum wall thickness of the vibration damping holes is greater than 5mm.
[0012] To ensure that the side panel can fully cover the outdoor unit of the air conditioner, specifically: the distance between the opening of the vibration damping hole and the outer surface of the base plate is greater than 80mm.
[0013] To facilitate the fabrication of vibration damping holes on the side plate, the centerline of the vibration damping hole is perpendicular to the plane corresponding to the base plate, and the shape of the vibration damping hole is the same on any cross section parallel to the plane of the base plate.
[0014] To reduce the number of vibration damping holes on the side plates and lower the difficulty of manufacturing them, a further step is taken: on a cross-section parallel to the plane of the base plate, the dimension of the vibration damping hole along the thickness direction of the side plate is smaller than the dimension along the length direction of the side plate, wherein the length direction and thickness direction of the side plate are perpendicular to each other and parallel to the corresponding plane of the base plate. For example, on a cross-section parallel to the plane of the base plate, the vibration damping holes are rectangular, elliptical, oblong, or waist-shaped.
[0015] The beneficial effects of this utility model are: the protective gasket at the end of the air conditioner indoor unit has good buffering and energy absorption effects as well as structural strength. While ensuring sufficient buffering protection, it saves material usage and reduces packaging costs. Vibration damping grooves are provided on the inner surface of the base plate, increasing the deformability of the base plate after impact and also reducing the material usage. The vibration damping grooves do not penetrate the base plate, keeping the outer surface of the base plate intact and preventing excessive strength loss due to the grooves. The inner cavity formed by the base plate and the four side plates is used to house one end of the air conditioner indoor unit. Vibration damping holes are located inside the side plates, preventing them from affecting the contact between the inner surface of the side plates and the air conditioner indoor unit. The corner formed by the base plate and the side plate is the most vulnerable to impact, as is the corner formed by two adjacent side plates. However, the side plates that are far from the base plate and the corner formed by two side plates are less vulnerable to impact. Vibration damping holes are set inside the side plates, and the shape and position of the vibration damping grooves are defined to prevent the vibration damping holes from reducing the strength of the impact-prone areas of the side plates. At the same time, the amount of material used in the side plates is minimized, and the deformability of the side plates is increased. Attached Figure Description
[0016] Figure 1 and Figure 2 These are two three-dimensional structural schematic diagrams from different angles of one embodiment of this utility model.
[0017] Attached reference numerals: 1. Base plate; 2. Side plate; 3. Vibration damping groove; 4. Vibration damping hole; 5. Buckle hole. Detailed Implementation
[0018] The present invention will be further described below with reference to the accompanying drawings.
[0019] This utility model is used for installation at the end of an air conditioner indoor unit, wrapping around the end of the indoor unit to cushion impacts and protect it. Figure 1 and Figure 2As shown, the protective gasket for the end of the indoor unit of this air conditioner includes a rectangular base plate 1 and four side plates 2 surrounding the base plate 1. Both the base plate 1 and the four side plates 2 are rectangular; that is, the base plate 1 is rectangular if its thickness is ignored, and each side plate 2 is rectangular if the thickness of each side plate 2 is ignored. All four side plates 2 are perpendicular to the base plate 1, and adjacent side plates 2 are perpendicular to each other. The overall shape of the base plate 1 and side plates 2 is cuboid, forming an open inner cavity for housing one end of the indoor unit. Therefore, the shape of the inner cavity matches the shape of the end of the indoor unit. The end of the indoor unit is placed into the inner cavity, and the base plate 1 and the four side plates 2 completely enclose the end of the indoor unit. The two adjacent side panels 2 and the base plate 1 and side panels 2 are all integral. The base plate 1 and side panels 2 are both made of lightweight materials, such as EPS material. The base plate 1 and the four side panels 2 are integrally formed.
[0020] The inner surface of the base plate 1 is provided with vibration damping grooves 3. The function of the vibration damping grooves 3 is to increase the deformability of the base plate 1 after being subjected to impact, and also to reduce the amount of material used in the base plate 1. There are one or more vibration damping grooves 3. When there are multiple vibration damping grooves 3, they are arranged at intervals. The shape and size of each vibration damping groove 3 can be the same or different, and the depth of each vibration damping groove 3 can be the same or different, but it is best if they are the same. The depth direction of the vibration damping groove 3 is consistent with the thickness direction of the base plate 2. The vibration damping grooves 3 do not penetrate the outer surface of the base plate 1 to avoid excessive loss of strength of the base plate 1 due to the setting of the vibration damping grooves 3. The external corner formed by the base plate 1 and the side plate 2 is the most vulnerable to impact, that is, the four sides of the base plate 1 are the most vulnerable to impact. The vibration damping grooves 3 are arranged on the inner surface of the base plate 1, and the arrangement area of the vibration damping grooves 3 avoids the vulnerable areas of the base plate 1. To facilitate manufacturing, the vibration damping groove 3 is cylindrical, with its centerline perpendicular to the plane corresponding to the base plate 1. The vibration damping groove 3 has the same shape on any cross-section parallel to the plane of the base plate 1. The cross-section of the vibration damping groove 3 parallel to the plane of the base plate 1 is generally circular, but it can also be a polygon such as a rectangle, or other shapes such as ellipse, oblong, or waist-shaped. See, for example... Figure 1 and Figure 2 The vibration damping groove 3 is rectangular in cross-section parallel to the base plate 1. To facilitate workers gripping the base plate 1 to move the indoor air conditioning unit, a further feature is provided: a through-hole 5 is provided in the middle of the base plate 1, with the vibration damping groove 3 either separate from or connected to the through-hole 5. See, for example... Figure 1 and Figure 2 One part of the vibration damping groove 3 is separate from the buckle hole 5, that is, the projection of the vibration damping groove 3 and the buckle hole 5 on the plane where the base plate 1 is located does not coincide. The other part of the vibration damping groove 3 is connected to the buckle hole 5, that is, the projection boundary of the vibration damping groove 3 and the buckle hole 5 on the plane where the base plate 1 is located coincides.
[0021] Vibration damping holes 4 are spaced apart on the end faces of the four side plates 2 away from the base plate 1. These holes 4 are blind holes, meaning they do not penetrate the outer surface of the base plate 1. To facilitate the fabrication of the vibration damping holes 4 on the side plates 2, the centerline of each hole 4 is perpendicular to the plane corresponding to the base plate 1, and the shape of each hole 4 is identical on any cross-section parallel to the plane of the base plate 1; that is, the hole wall of each hole 4 is perpendicular to the plane of the base plate 1. On a cross-section parallel to the plane of the base plate 1, the shape of the vibration damping hole 4 can be a polygon such as a quadrilateral or pentagon, or other shapes such as a circle, ellipse, oblong, or waist-shaped. To ensure the strength of the side plates 2, the minimum distance between the inner and outer surfaces of the side plates 2 and the vibration damping holes 4 cannot be too small. Generally, the minimum wall thickness of the vibration damping hole 4 is greater than 5mm, meaning the minimum distance between the hole wall of the vibration damping hole 4 and the inner surface of the side plate 2 is greater than 5mm, and the minimum distance between the hole wall of the vibration damping hole 4 and the outer surface of the side plate 2 is also greater than 5mm. For example, the minimum wall thickness of the vibration damping hole 4 is 5.9 mm.
[0022] The number of vibration damping holes 4 on the same side plate 2 can be one or more, depending on the dimensions of the side plate 2. When there are multiple vibration damping holes 4 on the same side plate 2, the size and thickness of each hole 4 should preferably be the same, and they should be arranged at equal intervals. To reduce the number of vibration damping holes 4 on the side plate 2 and reduce the difficulty of manufacturing the vibration damping holes 4, see [reference needed]. Figure 1 and Figure 2 On a cross-section parallel to the plane of the base plate 1, the dimension of the damping hole 4 along the thickness direction of the side plate 2 is smaller than the dimension of the damping hole 4 along the length direction of the side plate 2, wherein the length direction and thickness direction of the side plate 2 are perpendicular to each other and parallel to the plane corresponding to the base plate 1. For example, on a cross-section parallel to the plane of the base plate 1, the damping hole 4 is rectangular, elliptical, oblong, or waist-shaped.
[0023] The connection point between the base plate 1 and the side plate 2 is most susceptible to impact, and the vibration damping hole 4 avoids this most impact-prone area of the side plate 2. To ensure the strength of the connection between the side plate 2 and the base plate 1, the distance between the bottom of the vibration damping hole 4 and the outer surface of the base plate 1 is not less than the thickness of the base plate 1. Furthermore, to ensure that the side plate 2 can fully enclose the indoor unit of the air conditioner, and also to ensure the strength of the side plate 2, the distance between the opening of the vibration damping hole 4 and the outer surface of the base plate 1 is greater than 80mm. The external corner formed by two adjacent side plates 2 is also a vulnerable area to impact; therefore, the connection point between two adjacent side plates 2 is a solid structure, meaning that vibration damping holes 4 are not provided at the connection point between two adjacent side plates 2, thus avoiding the impact-prone areas of the side plate 2.
Claims
1. An end protective pad for an air conditioner indoor unit, comprising a rectangular base plate (1) and four side plates (2) surrounding the base plate (1), each of the four side plates (2) being rectangular and perpendicular to the base plate (1), the side plates (2) being integral with each other and with the base plate (1), the overall shape of the base plate (1) and the side plates (2) being cuboid, the base plate (1) and the four side plates (2) forming an open inner cavity, characterized in that: The inner surface of the base plate (1) is provided with a damping groove (3). The damping groove (3) does not penetrate the outer surface of the base plate (1). The end faces of the four side plates (2) away from the base plate (1) are provided with damping holes (4) at intervals. The damping holes (4) are blind holes, and the connection part of two adjacent side plates (2) is a solid structure.
2. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 1, characterized in that: The base plate (1) and the side plate (2) are both made of EPS.
3. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 1, characterized in that: The bottom plate (1) is also provided with a buckle hole (5) that penetrates the bottom plate (1) in the middle, and the vibration damping groove (3) is either separate from or connected to the buckle hole (5).
4. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 1, characterized in that: The vibration damping groove (3) is rectangular in cross section parallel to the base plate (1).
5. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 1, characterized in that: The distance between the bottom of the vibration damping hole (4) and the outer surface of the base plate (1) is not less than the thickness of the base plate (1).
6. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 1, characterized in that: The minimum wall thickness of the vibration damping hole (4) is greater than 5 mm.
7. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 1, characterized in that: The distance between the opening of the vibration damping hole (4) and the outer surface of the base plate (1) is greater than 80 mm.
8. The protective gasket for the end of the indoor unit of an air conditioner as described in any one of claims 1 to 7, characterized in that: The centerline of the vibration damping hole (4) is perpendicular to the plane corresponding to the base plate (1), and the vibration damping hole (4) has the same shape on any cross section parallel to the plane of the base plate (1).
9. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 8, characterized in that: On a cross section parallel to the plane of the base plate (1), the dimension of the damping hole (4) along the thickness direction of the side plate (2) is smaller than the dimension of the damping hole (4) along the length direction of the side plate (2), wherein the length direction of the side plate (2) is perpendicular to the thickness direction and is parallel to the plane corresponding to the base plate (1).
10. The protective gasket for the end of the indoor unit of an air conditioner as described in claim 9, characterized in that: On a cross section parallel to the plane of the base plate (1), the vibration damping hole (4) is rectangular, elliptical, oblong or waist-shaped.
Citation Information
Patent Citations
Packaging structure of air conditioner indoor unit
CN221189867U