Anti-deformation hollow sound insulation door core

Abstract

The utility model discloses an anti-deformation hollow sound insulation door core which comprises a protective frame, a sound insulation door core and a sound insulation door core. A door core plate is arranged in the protective frame, door core panels are arranged on the two sides of the door core plate in an attached mode, a plurality of vertical grooves of equal-width and equal-depth structures are formed in the inner sides, facing the door core plate, of the door core panels on the two sides in a routing mode, and the grooves are located in the middles of the door core panels. According to the utility model, the door core panel and the door core plate are matched with each other, and the door core plate is hollowed out, so that compared with a solid wood material, a large amount of material is removed from the hollowed-out position, the overall weight of the door core plate is reduced, and the hollowed-out door core plate structure can damage the stress of the wood, so that the overall weight of the door core plate is reduced, and the service life of the door core plate is prolonged. The instability factors of wood are reduced, the problems of wooden door warping deformation and poor surface flatness caused by wood expansion and deformation are reduced, and meanwhile the sound insulation of the door leaf is better.

Description

Technical Field

[0001] The utility model relates to the field of door cores, in particular to an anti-deformation hollow sound-insulating door core. Background Art

[0002] The core of a door panel usually refers to the filler or core material inside the door panel. These core materials are used to enhance the structural strength, sound insulation and thermal insulation performance of the door.

[0003] Among the door cores in the prior art, many are solid wood cores. The core material made of solid wood has good sound insulation and heat preservation properties. However, during use, the solid wood core is heavier than other core materials, which may cause inconvenience in transportation, installation and operation of the door. On the other hand, the solid wood core is sensitive to humidity and moisture, and is easy to absorb moisture and cause expansion or deformation. Utility Model Content

[0004] The purpose of the utility model is to provide a deformation-resistant hollow sound-insulating door core to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a deformation-resistant hollow soundproof door core, comprising:

[0006] A protective frame, wherein the protective frame is a U-shaped frame structure;

[0007] A door core board is provided inside the protective frame, and door core panels are fitted on both sides of the door core board. Several vertical grooves of equal width and depth are milled on the inner sides of the door core panels facing the door core boards. The grooves are located in the middle of the door core panels, and the protective frame is adhered with facing skins on both sides.

[0008] Preferably, a plurality of strip grooves are staggered on the surface of the door core plate.

[0009] Preferably, the protective frame includes:

[0010] A first connecting frame and a second connecting frame, wherein the first connecting frames are arranged in parallel with each other, the second connecting frames are arranged in parallel with each other, and the ends of the first connecting frame and the second connecting frame are connected to form a frame structure;

[0011] A connecting structure is provided for positioning and assembling the ends of the first connecting frame and the second connecting frame.

[0012] Preferably, the connection structure includes:

[0013] A plug-in convex plate, the plug-in convex plate is connected to the end of the second connecting frame and is integrally arranged with the second connecting frame. The first connecting frame is provided with a through-slot, and the plug-in convex plate is slidably inserted into the inner cavity of the through-slot;

[0014] The insertion limiting assembly is installed at the end of the first connecting frame, and the insertion limiting assembly is used to simultaneously insert and position the first connecting frame and the plug-in convex plate.

[0015] Preferably, the insertion limiting component includes:

[0016] A connecting plate, the connecting plate being arranged inside the first connecting frame;

[0017] A limiting post, one end of which is connected to the connecting plate, the limiting post is slidably and interpenetratingly connected to the first connecting frame, a positioning groove is provided on the plug-in convex plate, and the limiting post is slidably and interpenetratingly connected to the inner cavity of the positioning groove;

[0018] A piercing nail, the piercing nail being connected to the other end of the limiting column, the end of the piercing nail being connected to a thorn head;

[0019] The limiting inverted teeth are installed on the outer wall of the insertion nail.

[0020] Preferably, a groove is formed at the end of the first connecting frame, and the connecting plate is movably embedded in the groove.

[0021] Preferably, the strip grooves on the door core plate are opened horizontally.

[0022] Preferably, the strip grooves on the door core plate are opened vertically.

[0023] The technical effects and advantages of this utility model are:

[0024] The present invention utilizes a setting method in which a door core panel and a door core board are matched. Through the hollowing setting of the door core board, compared with solid wood materials, a large amount of material is removed from the hollow position, reducing the overall weight of the door core board and alleviating the burden on the door cover and hardware. On the other hand, the hollowing of the door core board structure can destroy the stress of the wood itself, reduce the instability factors of the wood, and reduce the warping and deformation of the wooden door caused by the expansion and contraction of the wood and the poor surface flatness. Secondly, the multi-layer cavity interlayer between the door core panel and the door core board structure makes the wooden door leaf more soundproof. The structure of the present invention is not limited to different combinations of horizontal and vertical panels, front and back, and different combinations of horizontal or vertical panels can achieve the same effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 This is one of the front structural diagrams of the present utility model.

[0026] Figure 2 This is a side view of the internal structure of the utility model.

[0027] Figure 3 It is a side structural diagram of the core plate of the door of the present invention.

[0028] Figure 4 This is a schematic diagram of the internal structure of the plug-in convex plate of the utility model.

[0029] Figure 5 This is a structural diagram of the interlaced limiting component of the utility model.

[0030] Figure 6 This is the second schematic diagram of the front structure of the utility model.

[0031] In the figure: 1. Protective frame; 11. First connecting frame; 12. Second connecting frame; 121. Inserting convex plate; 13. Inserting limiting assembly; 131. Connecting plate; 132. Limiting column; 133. Inserting nail; 134. Limiting inverted tooth; 2. Door core board; 3. Door core panel; 4. Surface skin. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0033] Example 1

[0034] The utility model provides Figure 1-5The anti-deformation hollow soundproof door core shown in the figure comprises: a protective frame 1, which is a U-shaped frame structure; a door core board 2 is arranged inside the protective frame 1, and the door core board 2 is not limited to different combinations of panels in the horizontal, vertical, front and back directions. Different combinations in the horizontal or vertical directions can achieve the same effect. Door core panels 3 are fitted on both sides of the door core board 2. The door core panels 3 on both sides are milled with a number of vertical grooves of equal width and depth facing the inner side of the door core board 2. The grooves are located in the middle of the door core panel 3, and the surface of the door core board 2 The surface is staggered with multiple strip grooves. Through the opening of the strip grooves, the two sides of the door core board 2 are hollowed out at intervals. Through the hollow setting of the door core board 2, on the one hand, compared with solid wood materials, a large amount of material is removed from the hollow position, which reduces the overall weight of the door core board 2, making transportation, installation and operation more convenient. On the other hand, the hollow part of the door core board 2 can accommodate the expansion or deformation of the solid part of the door core board 2, thereby preventing the door core board 2 from causing excessive extrusion of the door core panel 3. The protective frame 1 is adhered with a skin 4 on both sides.

[0035] Furthermore, the protective frame 1 includes: a first connecting frame 11 and a second connecting frame 12, the first connecting frames 11 are arranged in parallel, the second connecting frames 12 are arranged in parallel, and the ends of the first connecting frame 11 and the second connecting frame 12 are connected to form a frame structure; a connecting structure, the connecting structure is used for positioning and assembling the ends of the first connecting frame 11 and the second connecting frame 12. The connecting structure includes: a plug-in protrusion 121, the plug-in protrusion 121 is connected to the end of the second connecting frame 12, and is integrated with the second connecting frame 12, and a through slot is opened on the first connecting frame 11, and the plug-in protrusion 121 is slidably inserted and connected with the inner cavity of the through slot; an insertion limit assembly 13, the insertion limit assembly 13 is installed at the end of the first connecting frame 11, and the insertion limit assembly 13 is used to simultaneously insert and position the first connecting frame 11 and the plug-in protrusion 121, and the insertion between the plug-in protrusion 121 and the first connecting frame 11 facilitates the docking of the relative positions between the first connecting frame 11 and the second connecting frame 12, and the insertion of the insertion limit assembly 13 facilitates the locking of the position of the plug-in protrusion 121 to prevent the plug-in protrusion 121 from detaching from the inside of the first connecting frame 11, and a groove is opened at the end of the first connecting frame 11, and the connecting plate 131 is movably embedded in the inside of the groove, and the groove facilitates the hidden protection of the connecting plate 131.

[0036] Specifically, the insertion limit assembly 13 includes: a connecting plate 131, which is arranged inside the first connecting frame 11; a limiting column 132, one end of which is connected to the connecting plate 131, and the limiting column 132 is slidably inserted and connected with the first connecting frame 11, and a positioning groove is provided on the plug-in convex plate 121, and the limiting column 132 is slidably inserted and connected with the inner cavity of the positioning groove; an insertion nail 133, which is connected to the other end of the limiting column 132, and the end of the insertion nail 133 is connected with a thorn head; a limiting inverted tooth 134, and a plurality of limiting inverted teeth 134 are installed on The outer wall of the insertion nail 133 facilitates the installation of the limiting column 132 through the connecting plate 131. The insertion between the limiting column 132 and the positioning groove on the plug-in protrusion 121 makes the position of the plug-in protrusion 121 more stable. By hammering the insertion nail 133 into the first connecting frame 11, it is convenient to nail the insertion limiting assembly 13. The inclined tooth shape of the limiting inverted tooth 134 makes it easy to make the insertion nail 133 be nailed into the first connecting frame 11 in one direction, preventing the insertion nail 133 from withdrawing, making the insertion of the insertion limiting assembly 13 more stable.

[0037] Furthermore, the strip grooves on the door core plate 2 are opened horizontally.

[0038] Example 2

[0039] The utility model provides Figure 6 The anti-deformation hollow soundproof door core shown includes: a protective frame 1, which has a U-shaped frame structure; a door core board 2 is arranged inside the protective frame 1, and door core panels 3 are fitted on both sides of the door core board 2. A plurality of strip grooves are staggered on the surface of the door core board 2, and the strip grooves on the door core board 2 are opened vertically.

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

Claims

1. A deformation-resistant hollow soundproof door core, comprising: A protective frame (1), wherein the protective frame (1) is in a U-shaped frame structure; The invention is characterized in that: a door core board (2) is arranged inside the protection frame (1), and door core panels (3) are arranged on both sides of the door core board (2), and a plurality of vertical grooves of equal width and depth are milled on the inner sides of the door core panels (3) facing the door core board (2), and the grooves are located in the middle of the door core panels (3), and face skins (4) are adhered to both sides of the protection frame (1).

2. The anti-deformation hollow soundproof door core according to claim 1, characterized in that: The surface of the door core plate (2) is provided with a plurality of strip-shaped grooves in an alternating manner.

3. The anti-deformation hollow soundproof door core according to claim 1, characterized in that: The protective frame (1) comprises: A first connecting frame (11) and a second connecting frame (12), wherein the first connecting frames (11) are arranged in parallel, the second connecting frames (12) are arranged in parallel, and the ends of the first connecting frame (11) and the second connecting frame (12) are connected to form a frame structure; A connection structure is provided, wherein the connection structure is used for positioning and assembling the ends of a first connection frame (11) and a second connection frame (12).

4. The anti-deformation hollow soundproof door core according to claim 3, characterized in that: The connection structure comprises: A plug-in convex plate (121), the plug-in convex plate (121) is connected to the end of the second connecting frame (12) and is integrated with the second connecting frame (12); a through-slot is provided on the first connecting frame (11), and the plug-in convex plate (121) is slidably inserted and connected with the inner cavity of the through-slot; An insertion limiter assembly (13) is installed at the end of the first connecting frame (11), and the insertion limiter assembly (13) is used to simultaneously insert and position the first connecting frame (11) and the plug-in convex plate (121).

5. The anti-deformation hollow soundproof door core according to claim 4, characterized in that: The insertion limiting component (13) comprises: A connecting plate (131), wherein the connecting plate (131) is arranged inside the first connecting frame (11); A limiting column (132), one end of which is connected to the connecting plate (131), the limiting column (132) is connected to the first connecting frame (11) by sliding insertion, a positioning groove is provided on the plug-in convex plate (121), and the limiting column (132) is connected to the inner cavity of the positioning groove by sliding insertion; An insertion nail (133), the insertion nail (133) is connected to the other end of the limiting column (132), and the end of the insertion nail (133) is connected to a thorn head; A plurality of position-limiting inverted teeth (134) are installed on the outer wall of the insertion pin (133).

6. The anti-deformation hollow soundproof door core according to claim 5, characterized in that: A groove is formed at the end of the first connecting frame (11), and the connecting plate (131) is movably embedded in the groove.

7. The anti-deformation hollow soundproof door core according to claim 2, characterized in that: The strip-shaped grooves on the door core plate (2) are opened transversely.

8. The anti-deformation hollow soundproof door core according to claim 2, characterized in that: The strip-shaped grooves on the door core plate (2) are vertically opened.

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