A kind of anti-expansion crack door panel fixing structure
By setting up a movable connection mechanism and expansion joint in the door panel, the problem of easy cracking in the traditional door panel during thermal expansion and contraction is solved, the stable connection and adaptability of the door core panel is achieved, and the service life and aesthetics of the door panel are improved.
Patent Information
- Application Number
- CN202421441327.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-24
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-24
AI Technical Summary
Traditional door panels are prone to swelling or contracting when they are damp or cold, causing the door core panel to crack in the middle, affecting their use and aesthetics.
A fixed structure for anti-swell crack door panels is designed. By setting a movable connection mechanism and expansion joint between the door core plate and the frame, the matching plug of the buffer block and the connecting insert block is used to increase the connection stability, and the thermal expansion and contraction are adapted to the expansion joints.
It effectively slows down the thermal expansion and contraction pressure of the door core plate, avoids expansion and cracking, and improves the service life and aesthetics of the door plate.
Smart Images
Figure CN222745958U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of door panel processing, in particular to a door panel fixing structure that prevents expansion and cracking. Background Art
[0002] The door panel is mainly composed of a door core panel and a frame which are plugged into each other. The assembly of the door panel can be completed after the door core panel and the frame are plugged into and connected by mortise and tenon joints. The connection between the frame and the door core panel is bonded with glue to improve the firmness of the connection.
[0003] However, the part of traditional door panels that is most prone to expansion and cracking is the door core panel. The door core panel will swell when exposed to moisture. Since the door core panel will resist the frame when it swells, there is no space for the door core panel to swell and stretch. As a result, the middle of the door core panel is most prone to cracking. Similarly, when the door core panel is exposed to cold, the door core panel will pull the frame, causing uneven force on the door core panel and causing cracking. The expansion and cracking will affect the use of the door core panel and affect the appearance of the door panel. Utility Model Content
[0004] In view of the deficiencies in the prior art, the utility model provides an anti-expansion and cracking door panel fixing structure, which solves the problems raised by the above-mentioned background technology.
[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: an anti-expansion and cracking door panel fixing structure, including a door core panel, a first frame is provided at the upper and lower ends of the door core panel, a second frame is provided at the left and right ends of the door core panel, a first clearance groove is provided at the peripheral side of the door core panel, a second clearance groove is provided at the connecting ends of the first frame and the second frame, a movable connecting mechanism is provided in the first clearance groove and the second clearance groove, and an expansion joint is provided at the connection between the door core panel and the first frame and the second frame.
[0006] Furthermore, the movable connection mechanism includes: a first connecting block, the first connecting block is arranged in a first make way groove, a second connecting block is arranged in the second make way groove, a bonding groove is opened at the lower end of the second connecting block, the bonding groove is matched with the first connecting block, the first connecting block and the second connecting block are matched with each other, and a plug-in groove is opened on the peripheral side of the door core panel, and the plug-in groove is matched with the second connecting block.
[0007] Furthermore, the movable connection mechanism also includes: a buffer block, which is fixedly arranged in the first make way groove and the second make way groove respectively, the middle of the buffer block is hollow, and the other end of the buffer block is fixedly connected to the first connecting block and the second connecting block.
[0008] Furthermore, connecting blocks are fixedly connected to both ends of the first frame, and connecting grooves are provided at the inner connecting ends of the upper and lower ends of the second frame, and the connecting blocks are matched and plugged into the connecting grooves.
[0009] Furthermore, the outer surface of the expansion joint is coated with a sealing strip.
[0010] Furthermore, the spacing between the expansion joints is set at one centimeter.
[0011] Compared with the above-mentioned background technology, the anti-expansion and cracking door panel fixing structure provided by the present application includes a door panel with very mature technology today, and a core component with a movable connection mechanism and an expansion joint. Its principle relies on connecting the door core panel and the first frame and the second frame through a movable connection mechanism, and the door core panel is provided with an expansion joint between the first frame and the second frame. The movable connection mechanism can increase the connection stability, and the expansion joint can enable the door core panel to adapt to the thermal expansion and contraction of the weather to avoid the door core panel from cracking.
[0012] The utility model provides a door panel fixing structure that prevents expansion and cracking. Compared with the prior art, it has the following beneficial effects:
[0013] The anti-expansion and cracking door panel fixing structure is provided with a movable connection mechanism and an expansion joint. After the first connecting block and the second connecting block are connected to each other, they are squeezed with the buffer blocks in the first and second makeshift grooves, so that the door core panel can reduce the pressure of expansion and contraction, thereby preventing the door core panel from expanding and cracking. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a structural schematic diagram of the utility model;
[0015] Figure 2 This is a schematic diagram of the structure of the second frame of the utility model when it is unfolded;
[0016] Figure 3 This is a schematic diagram of the structure of the first frame and the second frame of the utility model;
[0017] Figure 4 for Figure 2 The enlarged structural diagram at A in the middle;
[0018] Figure 5 for Figure 3 Enlarged structural diagram at B in the middle.
[0019] In the figure: 1. door core board; 2. first frame; 3. second frame; 4. first clearance groove; 5. first connecting block; 6. buffer block; 7. second clearance groove; 8. second connecting block; 9. connecting block; 10. connecting groove; 11. plug-in groove; 12. bonding groove; 13. expansion joint. DETAILED DESCRIPTION
[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0021] See also Figure 1-5 The utility model provides a technical solution: an anti-expansion and cracking door panel fixing structure, including a movable connection mechanism arranged between a door core plate 1 and a first frame 2 and a second frame 3, a first clearance groove 4 opened on the peripheral side of the door core plate 1, a second clearance groove 7 opened at the connecting end of the first frame 2 and the second frame 3, the movable connection mechanism includes a first connection plug 5 movably connected in the first clearance groove 4, a second connection plug 8 movably connected in the second clearance groove 7, a buffer block 6 is fixedly connected in the first clearance groove 4 and the second clearance groove 7, when the door core plate 1 absorbs water and expands, the door The core board 1 expands toward the circumferential side, thereby pushing the first connecting block 5 to drive the second connecting block 8 to move, and the second connecting block 8 squeezes the buffer block 6. The buffer block 6 is hollow in the middle and has elasticity, thereby being able to adapt to the expansion of the door core board 1 and avoiding cracking of the door core board 1. When the door core board 1 shrinks due to cold, since the first connecting block 5 and the second connecting block 8 are bonded with glue, the contraction of the door core board 1 will drive the first connecting block 5 to drive the second connecting block 8 to move, thereby squeezing the buffer block 6 in the first yielding groove 4, so as to adapt to the thermal expansion and contraction of the door core board 1 and avoid expansion and cracking of the door core board 1.
[0022] In addition, the expansion joint 13 between the door core panel 1 and the first frame 2 and the second frame 3 can match the thermal expansion and contraction of the door core panel 1, and a sealing strip is coated on the outer end surface of the expansion joint 13, and the sealing strip is elastic, thereby assisting the thermal expansion and contraction between the door core panel 1 and the first frame 2 and the second frame 3 through the expansion joint 13.
[0023] It should be noted that the door core panel 1 will swell when exposed to a humid environment, and the door core panel 1 will swell outward. During the swelling, the swelling of the door core panel 1 will be alleviated by the buffer block 6, and when the door core panel 1 shrinks, it will pull the first connecting block 5 and the second connecting block 8 to squeeze the buffer block 6 in the first yielding groove 4, thereby alleviating the shrinkage of the door core panel 1; at the same time, the first connecting block 5 and the second connecting block 8 can increase the contact area through the plug groove 11 and the adhesive groove 12, thereby increasing the connection firmness of the first connecting block 5 and the second connecting block 8.
[0024] When in use, the first connecting block 5 in the first making way groove 4 on the peripheral side of the door core panel 1 is matched and plugged with the second connecting block 8 in the second making way groove 7 at the connecting end of the first frame 2 and the second frame 3, and is bonded with glue. A buffer block 6 is fixed at the end between the first connecting block 5 and the second connecting block 8 to reduce the thermal expansion and contraction of the door core panel 1, thereby preventing the door core panel 1 from swelling and cracking.
[0025] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still fall within the scope of the technical solution of the present invention.
Claims
1. An anti-expansion crack door panel fixing structure, comprising a door core panel (1), wherein the upper and lower ends of the door core panel (1) are provided with first frames (2), and the left and right ends of the door core panel (1) are provided with second frames (3), characterized in that: The door core plate (1) is provided with a first clearance groove (4) on its circumferential side, the connecting ends of the first frame (2) and the second frame (3) are both provided with a second clearance groove (7), a movable connection mechanism is provided in the first clearance groove (4) and the second clearance groove (7), and an expansion joint (13) is provided at the connection between the door core plate (1) and the first frame (2) and the second frame (3).
2. The anti-expansion crack door panel fixing structure according to claim 1, characterized in that: The movable connection mechanism comprises: A first connecting block (5), the first connecting block (5) is arranged in the first clearance groove (4), a second connecting block (8) is arranged in the second clearance groove (7), a bonding groove (12) is provided at the lower end of the second connecting block (8), the bonding groove (12) is matched with the first connecting block (5), the first connecting block (5) and the second connecting block (8) are matched with each other and plugged in, and a plugging groove (11) is provided on the peripheral side of the door core plate (1), the plugging groove (11) is matched with the second connecting block (8).
3. The anti-expansion crack door panel fixing structure according to claim 2, characterized in that: The movable connection mechanism also includes: A buffer block (6), the buffer block (6) being respectively located and fixedly arranged in the first clearance groove (4) and the second clearance groove (7), the middle of the buffer block (6) being hollow, and the other end of the buffer block (6) being fixedly connected to the first connecting plug block (5) and the second connecting plug block (8).
4. The anti-expansion crack door panel fixing structure according to claim 3, characterized in that: Connecting blocks (9) are fixedly connected to both ends of the first frame (2); connecting grooves (10) are provided at the inner connecting ends of the upper and lower ends of the second frame (3); and the connecting blocks (9) and the connecting grooves (10) are matched and plugged into each other.
5. The anti-expansion crack door panel fixing structure according to claim 1, characterized in that: The outer surface of the expansion joint (13) is coated with a sealing strip.
6. The anti-expansion crack door panel fixing structure according to claim 1, characterized in that: The spacing between the expansion joints (13) is one centimeter.