Folding anti-theft door
Through the folding block and folding rod design of the upper and lower door panels, combined with the locking structure, the folding anti-theft door can maintain anti-theft performance while reducing the volume, solving the problems of reduced volume and bloated fixed structure in the existing technology, improving transportation efficiency and reducing costs.
Patent Information
- Application Number
- CN202422930721.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-29
- Publication Date
- 2025-10-14
- Estimated Expiration
- 2034-11-29
AI Technical Summary
The existing folding anti-theft doors have reduced anti-theft performance when the volume is reduced, and the fixed structure is bloated, which affects transportation efficiency and cost.
The upper and lower door panels are switched between the folding state and the unfolding state by rotating the folding block and the folding rod. Combined with the locking structure and sliding groove design, it ensures that the door panels fit tightly when folded, avoiding taking up too much space, and maintains stability through the locking structure.
It effectively reduces the space occupied in the folded state, maintains the overall strength and anti-theft performance of the anti-theft door, improves transportation efficiency and reduces costs.
Smart Images

Figure CN223434268U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The application relates to the technical field of security doors, in particular to a folding security door. BACKGROUND
[0002] The security door is provided with a security lock and can resist abnormal opening under certain conditions within a certain time, has a certain security protection performance and meets the corresponding security level of the door. Due to the volume of the security door, the transportation efficiency is low or the cost is increased when the security door needs to be transported.
[0003] Therefore, a folding security door is provided in the application number CN221053549U, which realizes the folding of the security door through the cooperation between the first door plate, the rotating shaft and the second door plate, so that the volume of the security door is reduced during transportation, and the user can conveniently carry the security door. However, although such a structure has good effect on reducing the volume, the fixing structure is bulky, the internal groove is too large due to the need to provide the rotating space of the clamping block, and the security performance is also reduced.
[0004] The above content is only used to assist in understanding the technical solutions of the application and does not mean that the above content is the closest prior art to the application. SUMMARY
[0005] Therefore, the application provides a folding security door to solve one of the above technical problems.
[0006] The technical scheme adopted by the application to solve the technical problem is that the folding security door comprises: an upper door plate, a bottom of the upper door plate is provided with a connecting groove, an inner wall of the connecting groove is provided with a locking structure, a bottom of one side of the upper door plate is provided with a first rotating groove and a folding block, and a folding rod is rotatably arranged on the folding block; a lower door plate, a top of the lower door plate is provided with a connecting block matched with the connecting groove and provided with a second rotating groove, one end of the folding rod connected with the folding block is accommodated in the second rotating groove, one side of the connecting block is provided with a locking groove matched with the locking structure, and a sliding groove is formed in the lower door plate, and one end of the folding rod is slidably arranged in the sliding groove; and the folding state and the unfolded state are switched through the rotation between the folding block and the folding rod between the upper door plate and the lower door plate.
[0007] In some embodiments, the locking structure comprises a locking block and a spring, the inner wall of the connecting groove is provided with an accommodating groove, one end of the spring is abutted against the bottom of the accommodating groove, and the other end of the spring is abutted against the bottom of the locking block, and the spring is used to apply the force of the locking block to the inside of the connecting groove.
[0008] In some embodiments, the locking block is substantially arc-shaped when inserted into a part of the locking groove in the unfolded state.
[0009] In some embodiments, a rotating portion is formed at one end of the folding rod, and a convex portion is formed at the other end.
[0010] In some embodiments, the width of the folding rod is smaller than the diameter of the rotating portion.
[0011] In some embodiments, handles are provided on both sides of the upper door panel, and a mechanical lock is provided on one side of the upper door panel.
[0012] In some embodiments, an unlocking slot is provided on the upper door panel, an unlocking block is slidably provided on the unlocking slot, and the unlocking block is connected to the locking block.
[0013] The beneficial effect of the present application is that the design of the folding rod slidingly arranged in the sliding groove allows the lower door panel to rotate relative to each other without the locking block interfering with the upper door panel, thereby completing the switching between the folded state and the unfolded state. At the same time, because the upper and lower door panels are connected by plug-in, the occupied space inside the upper and lower door panels is greatly reduced, effectively avoiding the reduction of the overall strength of the anti-theft door by the folding structure. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.
[0015] Figure 1 It is a three-dimensional schematic diagram of the unfolded state of this application.
[0016] Figure 2 It is a three-dimensional schematic diagram of the sliding folding rod of the present application.
[0017] Figure 3 It is a schematic partial cross-sectional view of the main view of this application.
[0018] Figure 4 It is a side partial cross-sectional schematic diagram of the present application.
[0019] Figure 5 It is a three-dimensional schematic diagram of the folded state of this application.
[0020] Explanation of the accompanying drawings: 1. Upper door panel; 11. Connecting groove; 12. Locking structure; 121. Locking block; 122. Spring; 123. Accommodating groove; 13. First rotating groove; 14. Unlocking groove; 15. Unlocking block; 2. Lower door panel; 21. Connecting block; 211. Locking groove; 22. Sliding groove; 23. Second rotating groove; 3. Folding block; 4. Folding rod; 41. Rotating portion; 42. Protrusion; 5. Handle; 6. Mechanical lock. DETAILED DESCRIPTION
[0021] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by a person of ordinary skill in the art without creative effort are within the protection scope of the present application. In addition, the technical solutions in each embodiment can be combined with each other, but the combination of the technical solutions should be based on the fact that a person of ordinary skill in the art can realize the combination, and when the combination of the technical solutions is contradictory or unachievable, it should be considered that the combination of the technical solutions does not exist and is not within the protection scope of the present application.
[0022] In the embodiments of the present application, as shown in Figures 1-5 The present application provides a folding security door, which mainly comprises an upper door plate 11, a connecting groove 11 is formed in the bottom of the upper door plate 11, a locking structure 12 is arranged on the inner wall of the connecting groove 11, a first rotating groove 13 is formed in the bottom of one side of the upper door plate 11 and a folding block 3 is arranged on the first rotating groove 13, and a folding rod 4 is rotatably arranged on the folding block 3; a lower door plate 2, a connecting block 21 matched with the connecting groove 11 is arranged on the top of the lower door plate 2 and a second rotating groove 23 is formed in the connecting block 21, one end of the folding rod 4 connected with the folding block 3 is accommodated in the second rotating groove 23, a locking groove 211 matched with the locking structure 12 is formed in one side of the connecting block 21, a sliding groove 22 is formed in the inside of the lower door plate 2, and one end of the folding rod 4 is slidingly arranged in the sliding groove 22; the folding state and the unfolded state of the upper door plate 11 and the lower door plate 2 are switched by the rotation between the folding block 3 and the folding rod 4.
[0023] Specifically, in the folding state, the upper door plate 11 and the lower door plate 2 are connected by the folding block 3 and the folding rod 4, and the upper door plate 11 and the lower door plate 2 are completely attached, so that the occupied space in the folding state is greatly reduced; when it is needed to switch from the folding state to the unfolded state, the upper door plate 11 is only needed to be lifted, the folding rod 4 slides in the sliding groove 22, is rotated by 180 degrees at the highest point, so that the folding rod 4 is not interfered by the connecting block 21 when the folding rod 4 rotates, and then is linearly lowered, the locking mechanism completely fixes the connecting block 21 in the falling of the connecting block 21, and the switching of the unfolded state is completed.
[0024] Some preferred / improved embodiments based on the above embodiments will be further described below. The following embodiments can be selected or combined.
[0025] Referring to Figure 3As shown, the locking structure 12 comprises a locking block 121 and a spring 122, the inner wall of the connecting groove 11 is provided with a containing groove 123, one end of the spring 122 abuts against the bottom of the containing groove 123, and the other end abuts against the bottom of the locking block 121, the spring 122 is used to apply a force to the locking block 121 to the inside of the connecting groove 11, so that the locking block 121 applies a force to the inside of the locking groove 211, so that the upper door plate 11 and the lower door plate 2 cannot shake up and down.
[0026] As a preferred, in order to make the locking block 121 receive pressure and compress to the spring 122 direction when the connecting block 21 falls, the locking block 121 is inserted into a part of the locking groove 211 in the unfolded state, which is roughly arc-shaped.
[0027] Referring to Figure 4 As shown, one end of the folding rod 4 is formed with a rotating part 41, and the other end is formed with a convex part 42. The rotating part 41 can effectively rotate with the folding block 3, and the convex part 42 can prevent the folding rod 4 from separating from the sliding groove 22.
[0028] As a preferred, the width of the folding rod 4 is smaller than the diameter of the rotating part 41, so that the folding rod 4 can slide in the sliding groove 22 without extending to the outside to cause damage to the internal parts.
[0029] As a preferred, the upper door plate 11 is provided with a handle 5 on both sides, and a mechanical lock 6 on one side of the upper door plate 11. The handle 5 is connected with the mechanical lock 6, so that the handle 5 can be installed on the upper door plate 11 through the mechanical lock 6.
[0030] As a preferred, the upper door plate 11 is provided with an unlocking groove 14, and the unlocking block 15 is slidably arranged in the unlocking groove 14. The unlocking block 15 is connected with the locking block 121. In this way, when it is needed to switch from the unfolded state to the folded state, only the unlocking block 15 needs to be slid, and the upper door plate 11 loses the fixation and can be folded normally.
[0031] So far, various embodiments of the present application have been described in detail. In order to avoid obscuring the concept of the present application, some details known in the art are not described. Those skilled in the art can fully understand how to implement the technical solutions disclosed herein according to the above description.
[0032] Finally, it should be noted that the above is only the preferred embodiment of the application, the foregoing embodiments are only to illustrate the technical solutions of the application, not to limit them; although the application is described in detail with reference to the foregoing embodiments, those skilled in the art will understand that the technical solutions described in the foregoing embodiments can still be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not drive the essence of the corresponding technical solutions out of the spirit and scope of the technical solutions of the embodiments of the application.
Claims
1. A folding anti-theft door, characterized in that: include: The upper door panel has a connecting groove at its bottom, a locking structure is provided on the inner wall of the connecting groove, a first rotation groove is provided at the bottom of one side of the upper door panel and a folding block is provided, and a folding rod is rotatably provided on the folding block; The lower door panel has a connecting block on its top that cooperates with the connecting groove and has a second rotating groove, one end of the folding rod connected to the folding block is accommodated in the second rotating groove, one side of the connecting block is provided with a locking groove that cooperates with the locking structure, and a sliding groove is provided inside the lower door panel, and one end of the folding rod is slidably arranged in the sliding groove; The upper door panel and the lower door panel are switched between a folding state and an unfolding state by rotating the folding block and the folding rod.
2. A folding anti-theft door according to claim 1, characterized in that: The locking structure includes a locking block and a spring. A receiving groove is provided on the inner wall of the connecting groove. One end of the spring abuts against the bottom of the receiving groove, and the other end abuts against the bottom of the locking block. The spring is used to apply a force to the locking block that always acts toward the inside of the connecting groove.
3. A folding anti-theft door according to claim 2, characterized in that: A portion of the locking block inserted into the locking slot in the expanded state is substantially arc-shaped.
4. The foldable anti-theft door according to claim 1, characterized in that: A rotating portion is formed at one end of the folding rod, and a convex portion is formed at the other end.
5. The foldable anti-theft door according to claim 4, characterized in that: The width of the folding rod is smaller than the diameter of the rotating part.
6. The foldable anti-theft door according to claim 1, characterized in that: Handles are provided on both sides of the upper door panel, and a mechanical lock is provided on one side of the upper door panel.
7. The foldable anti-theft door according to claim 2, characterized in that: An unlocking slot is provided on the upper door panel, an unlocking block is slidably provided on the unlocking slot, and the unlocking block is connected to the locking block.
Citation Information
Patent Citations
A folding anti-theft door
CN221053549U