Three-layer composite structure pillow

Abstract

The utility model relates to the field of layered structures. The three-layer composite structure pillow comprises an upper supporting layer, and the upper supporting layer is provided with a first groove and a first protrusion; a lower supporting layer is further included, a second protrusion is arranged on the lower supporting layer, the second protrusion extends into the first groove, and the space between the second protrusion and the first groove is filled with a first supporting block; a second groove is formed in the lower supporting layer, the first protrusion extends into the second groove, and the space between the first protrusion and the second groove is filled with a second supporting block. The pillow adopts a three-layer composite structure, and each layer is allowed to be made of different materials, so that different softness and hardness experience feelings are obtained.

Description

Technical Field

[0001] The utility model relates to the field of layered structures, in particular to a three-layer composite structure. Background Art

[0002] With the fast-paced work and life of modern society, people are under increasing pressure, working with their heads down for longer periods of time, and cervical problems are becoming more and more common. The cervical pillow is a new generation of functional product developed based on ergonomics, bionics, physics, traditional Chinese medicine and many years of clinical practice to relieve shoulder and neck discomfort. The existing cervical pillows on the market are either too hard or too soft, and cannot provide precise support in terms of composite ergonomics. The head pit area is softly wrapped and supported, and the cervical part fits. Utility Model Content

[0003] The utility model aims to provide a pillow with a three-layer composite structure to solve the above technical problems.

[0004] The technical problem solved by the present invention can be achieved by adopting the following technical solutions:

[0005] A three-layer composite structure pillow comprises an upper support layer located at the top, a first groove opening downward is formed on the lower surface of the upper support layer, a first protrusion protruding downward is formed on the lower surface of the upper support layer, the first groove is close to the front end of the upper support layer, and the first protrusion is close to the rear end of the upper support layer;

[0006] It also includes a lower supporting layer located below, wherein the upper surface of the lower supporting layer is provided with a second protrusion protruding upward at a position corresponding to the first groove, the second protrusion extends into the first groove but there is a first gap between the second protrusion and the first groove, and the first gap is filled with a first supporting block; the upper surface of the lower supporting layer is provided with a second groove with an opening facing upward at a position corresponding to the first protrusion, the first protrusion extends into the second groove but there is a second gap between the first protrusion and the second groove, and the second gap is filled with a second supporting block.

[0007] Beneficial effects: 1. The pillow of the utility model adopts a three-layer composite structure, allowing each layer to adopt different materials, so as to obtain different softness and hardness experiences. 2. The utility model can effectively limit the position of the upper support layer and the lower support layer through the structure of grooves and protrusions, and reduce the displacement of the upper support layer and the lower support layer during use. 3. The utility model uses protrusions and grooves to construct an arc-shaped gap structure, thereby limiting the support block to adopt an arc-shaped structure. The arc-shaped structure can effectively improve the support of the support block. 4. The utility model is provided with a support block at the front and rear ends, which allows the front end of the pillow to be used close to the neck, and allows the rear end of the pillow to be used close to the neck, so there is no need to distinguish the front or rear end of the pillow. 5. The upper support layer and the lower support layer of the utility model can provide soft wrapping support to the head socket area, and the first support block and the second support block can provide fitting support to the cervical spine area.

[0008] Preferably, the upper support layer uses 40D40N memory foam, the lower support layer uses 40D50N memory foam, and the first support block and the second support block use 190N sponge. Advantages: The utility model selects the material of each part and allows it to be obtained by cutting, so that the cooperation of each part is more seamless.

[0009] Preferably, the first groove is rotationally symmetrical with the second groove, and the first protrusion is rotationally symmetrical with the second protrusion, so that the pillow can be used on both sides.

[0010] Preferably, the cross-sections of the first support block and the second support block are both fan-shaped, so as to utilize the arc shape to disperse the stress of the first support block and the second support block, thereby improving the support strength of the support block.

[0011] Preferably, the surface of the first support block in contact with the first groove is wavy, and the surface of the second support block in contact with the second groove is wavy, so as to further improve the support of the support block by utilizing the wavy structure, and at the same time, the wavy structure also has an anti-slip effect.

[0012] Preferably, the lower surface of the upper support layer first extends horizontally from the front end to the rear end, then concave upward to form the first concave groove, then convex downward, then concave upward, then convex downward to form the first convexity, and finally extends horizontally; the upper surface of the lower support layer first extends horizontally from the front end to the rear end, then convex upward to form the second convexity, then concave downward, then convex upward, then concave downward to form the second concave groove, and finally extends horizontally. Thus, the convex and concave structure in the middle is used to limit the relative position of the upper support layer and the lower support layer, preventing the upper support layer and the lower support layer from moving out of position.

[0013] Further preferably, the width of the horizontal extension part of the upper support layer at the front end is smaller than the width of the horizontal extension part of the lower support layer at the front end; the width of the horizontal extension part of the upper support layer at the rear end is larger than the width of the horizontal extension part of the lower support layer at the rear end, so that the rear end of the second support block has a larger area to abut against the upper support layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the utility model;

[0015] Figure 2 It is an exploded view of the utility model. DETAILED DESCRIPTION

[0016] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below with reference to specific illustrations.

[0017] Reference Figure 1 and Figure 2 The three-layer composite structure pillow includes an upper supporting layer 1, a lower supporting layer 2, and a supporting block.

[0018] The upper support layer 1 is located at the top, and a first groove with an opening facing downward is formed on the lower surface of the upper support layer 1. A first protrusion protruding downward is formed on the lower surface of the upper support layer 1, and the first groove is close to the front end of the upper support layer 1, and the first protrusion is close to the rear end of the upper support layer 1. The lower support layer 2 is located at the bottom, and a second protrusion protruding upward is formed on the upper surface of the lower support layer 2 at a position corresponding to the first groove, and the second protrusion extends into the first groove but there is a first gap between the second protrusion and the first groove, and the first gap is filled with a first support block; a second groove with an opening facing upward is formed on the upper surface of the lower support layer 2 at a position corresponding to the first protrusion, and the first protrusion extends into the second groove but there is a second gap between the first protrusion and the second groove, and the second gap is filled with a second support block 3.

[0019] Preferably, the upper support layer 1 uses 40D40N memory foam, the lower support layer 2 uses 40D50N memory foam, and the support block is preferably a 190N sponge module. The utility model selects the material of each part, allowing it to be obtained by cutting, so that the cooperation of each part is more seamless.

[0020] Preferably, the first groove is rotationally symmetrical to the second groove, and the first protrusion is rotationally symmetrical to the second protrusion, thereby allowing the pillow to be used on both sides.

[0021] Preferably, the cross-sections of the first support block and the second support block 3 are both fan-shaped, so that the arc shape is used to disperse the stress of the first support block and the second support block 3, thereby improving the support strength of the support block. The surface of the first support block in contact with the first groove is wavy, and the surface of the second support block 3 in contact with the second groove is wavy. Thus, the wavy structure is used to further improve the support of the support block, and at the same time, the wavy structure also has an anti-slip effect.

[0022] Preferably, the lower surface of the upper support layer 1 first extends horizontally from the front end to the rear end, then concave upward to form a first concave groove, then convex downward, then concave upward, then convex downward to form a first convexity, and finally extends horizontally. The upper surface of the lower support layer first extends horizontally from the front end to the rear end, then convex upward to form a second convexity, then concave downward, then convex upward, then concave downward to form a second concave groove, and finally extends horizontally. Thus, the convex and concave structure in the middle is used to limit the relative position of the upper support layer 1 and the lower support layer 2, preventing the upper support layer 1 and the lower support layer 2 from moving out of position.

[0023] The width of the horizontal extension part of the upper support layer 1 at the front end is smaller than the width of the horizontal extension part of the lower support layer 2 at the front end. Thus, the front end of the first support block has a larger area to abut against the lower support layer 2. The width of the horizontal extension part of the upper support layer 1 at the rear end is larger than the width of the horizontal extension part of the lower support layer 2 at the rear end. Thus, the rear end of the second support block has a larger area to abut against the upper support layer 1.

[0024] Note: The front end of the utility model is Figure 1 The left end is in the middle, and the rear end of the utility model is Figure 1 The middle is the right end.

[0025] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. Three-layer composite structure pillow, characterized in that: It includes an upper support layer located at the top, a first groove opening downward is formed on the lower surface of the upper support layer, a first protrusion protruding downward is formed on the lower surface of the upper support layer, the first groove is close to the front end of the upper support layer, and the first protrusion is close to the rear end of the upper support layer; It also includes a lower supporting layer located below, wherein the upper surface of the lower supporting layer is provided with a second protrusion protruding upward at a position corresponding to the first groove, the second protrusion extends into the first groove but there is a first gap between the second protrusion and the first groove, and the first gap is filled with a first supporting block; the upper surface of the lower supporting layer is provided with a second groove with an opening facing upward at a position corresponding to the first protrusion, the first protrusion extends into the second groove but there is a second gap between the first protrusion and the second groove, and the second gap is filled with a second supporting block.

2. The three-layer composite structure pillow according to claim 1, characterized in that: The upper support layer adopts 40D40N memory foam, the lower support layer adopts 40D50N memory foam, and the first support block and the second support block adopt 190N sponge.

3. The three-layer composite structure pillow according to claim 1, characterized in that: The first groove is rotationally symmetrical to the second groove, and the first protrusion is rotationally symmetrical to the second protrusion.

4. The three-layer composite structure pillow according to claim 1, characterized in that: The cross sections of the first supporting block and the second supporting block are both fan-shaped.

5. The three-layer composite structure pillow according to claim 1, characterized in that: The surface of the first supporting block in contact with the first groove is wavy, and the surface of the second supporting block in contact with the second groove is wavy.

6. The three-layer composite structure pillow according to any one of claims 1 to 5, characterized in that: The lower surface of the upper support layer first extends horizontally from the front end to the rear end, then concave upward to form the first concave groove, then convex downward, then concave upward, then convex downward to form the first convexity, and finally extends horizontally; The upper surface of the lower support layer first extends horizontally from the front end to the rear end, then bulges upward to form the second bulge, then concave downward, then bulges upward, then concave downward to form the second groove, and finally extends horizontally.

7. The three-layer composite structure pillow according to claim 6, characterized in that: The width of the horizontal extension part of the upper supporting layer at the front end is smaller than the width of the horizontal extension part of the lower supporting layer at the front end; the width of the horizontal extension part of the upper supporting layer at the rear end is larger than the width of the horizontal extension part of the lower supporting layer at the rear end.

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