A cast aluminum anti-theft door with high safety

Abstract

The utility model belongs to the technical field of anti-theft doors, and particularly relates to a cast aluminum anti-theft door with high safety, comprising: an anti-theft door body, a plurality of limit grooves are provided on one side of the anti-theft door body, a sliding block is slidably installed in the limit groove, a sliding groove 1 is provided on one side of the sliding block, a sliding plate 1 is slidably installed in the sliding groove 1, one end of the sliding plate 1 penetrates the sliding groove 1 and the limit groove and extends to the outside, a plurality of sliding plates 1 are respectively slidably connected with the plurality of limit grooves, a same connecting rod is fixedly installed at one end of two adjacent sliding plates 1, and a plurality of tension springs fixed to the inner wall of the corresponding sliding groove 1 are fixedly installed at the other end of the sliding plate 1; when the overall device of the utility model is in use, couplets of different lengths can be fixed on one side of the anti-theft door body without using tools, and it is convenient for people to hang clothes keys on it, and the sliding bar will not protrude outside the door when not in use, and will not affect the beauty of the door.

Description

Technical Field

[0001] The utility model belongs to the technical field of anti-theft doors, and in particular relates to a cast aluminum anti-theft door with high safety. Background Art

[0002] Cast aluminum security door is a high-end customized entrance door. It adopts modern high-tech processing technology, solid cast aluminum, and is cast as a whole. The manufactured door has a sense of integrity. The surface of the door leaf is processed with advanced technology, which has strong anti-corrosion, anti-pry, explosion-proof and noise-proof functions. Cast aluminum security door is deeply loved by consumers for its durability, novel style, and luxurious style.

[0003] For example, the Chinese patent with the publication number CN218092789U discloses a steel anti-theft door, including a door frame, a door panel installed inside the door frame, a safety component arranged between the door frame and the door panel, the safety component including two mounting frames, two sets of positioning rods and two sets of positioning grooves, and a linkage component arranged between the door panel and the two mounting frames. The steel anti-theft door, through the design of the safety component and the linkage component, when the door panel body is closed, the user rotates the rotating wheel to drive the rotating shaft to rotate, the rotation of the rotating shaft drives the driving bevel gear to rotate and the two transmission bevel gears to rotate synchronously, the rotation of the two transmission bevel gears drives the two threaded rods to rotate, the rotation of the two threaded rods drives the two connecting sleeve rods and the two mounting frames to move synchronously, the movement of the two mounting frames drives the two sets of positioning rods to move until the two sets of positioning rods are respectively inserted into the two sets of positioning grooves. Compared with the traditional method, the anti-theft performance and use safety of the device when in use are effectively improved, and the loss of items in the room is avoided.

[0004] The above patent has the following problems:

[0005] This patent has some disadvantages when used, such as: when the above device is used to paste the couplet, the couplet is fixed to the door by tape, and the tape will leave marks after being torn off after long-term use, which is inconvenient to clean and affects the appearance of the door. At the same time, when the above device is used, clothes or keys need to be hung on the door by adhesive hooks, and the adhesive hooks may leave marks after long-term use and affect the appearance when not in use. In view of this, we propose a cast aluminum anti-theft door with high security. Utility Model Content

[0006] The utility model aims to provide a cast aluminum anti-theft door with high safety to solve the problems raised in the above-mentioned background technology.

[0007] In view of this, the utility model provides a cast aluminum anti-theft door with high safety, comprising:

[0008] The anti-theft door body, one side of the anti-theft door body is provided with a plurality of limit grooves, a sliding block is slidably installed in the limit groove, one side of the sliding block is provided with a sliding groove 1, a sliding plate 1 is slidably installed in the sliding groove 1, one end of the sliding plate 1 penetrates the sliding groove 1 and the limit groove and extends to the outside, a plurality of the sliding plates 1 are respectively slidably connected with the plurality of limit grooves, one end of two adjacent sliding plates 1 is fixedly installed with the same connecting rod, and the other end of the sliding plate 1 is fixedly installed with a plurality of tension springs fixed to the inner wall of the corresponding sliding groove 1;

[0009] A plurality of position-limiting components, each of which is located in a plurality of sliding blocks and is used to limit the sliding of the plurality of sliding blocks;

[0010] A plurality of second sliding grooves, wherein the second sliding grooves are all provided on the other side of the anti-theft door body, wherein a sliding bar is slidably installed in the second sliding groove, and one end of the sliding bar passes through the corresponding second sliding groove and extends to the outside;

[0011] A plurality of fixing components are respectively located in the plurality of sliding bars and are respectively used to fix the positions of the plurality of sliding bars.

[0012] In the technical solution, firstly, one of the connecting rods is pulled to slide, and one of the connecting rods drives two sliding plates to slide, and the two sliding plates respectively pull the corresponding tension springs to extend, and then one side of the couplet is placed between one of the connecting rods and the anti-theft door body, and then one of the connecting rods is loosened, and under the action of the corresponding tension springs, one of the connecting rods slides toward the anti-theft door body, and then the couplet is fixed to the anti-theft door body by one of the connecting rods, and then the above operation is used to fix all the couplets on one side of the anti-theft door body;

[0013] When it is necessary to fix couplets of different lengths, first pull the connecting rod, which drives the two sliding blocks to slide. The sliding blocks can be limited by the set limit assembly, and the positions of couplets of different lengths can be further fixed;

[0014] When one of the sliding bars needs to be used, the position of the sliding bar can be fixed by the set fixing component. The set sliding bar is convenient for people to hang clothing keys on it. At the same time, the sliding bar will not protrude outside the door when not in use, and will not affect the appearance of the door.

[0015] In the above technical solution, further, the limit assembly includes:

[0016] A plurality of cylindrical grooves are provided in the sliding block, a protrusion is slidably installed in the cylindrical groove, one end of the protrusion is fixedly installed with a spring 2 fixed to the inner wall of the corresponding cylindrical groove, a plurality of grooves are provided in the limiting groove, the other end of the protrusion passes through the corresponding cylindrical groove and extends into the corresponding groove, and the other end of the protrusion is plugged into the corresponding groove.

[0017] In the present technical solution, when it is necessary to fix couplets of different lengths, first pull the connecting rod, which drives the two sliding blocks to slide, and the two sliding blocks drive the corresponding protrusions to disengage from the corresponding grooves respectively. At the same time, the protrusions will squeeze the corresponding springs to contract. When the connecting rod slides to a suitable position, under the action of the rebound force of the springs, the protrusions will enter the grooves respectively, so that the position of the sliding blocks is limited, and the positions of couplets of different lengths can be further fixed.

[0018] In the above technical solution, further, the fixing assembly includes:

[0019] Two sliding grooves three, both of which are arranged in the sliding bar, a sliding plate two is slidably installed in the sliding groove three, a plurality of springs one fixed to the inner wall of the sliding groove three are fixedly installed on one side of the sliding plate two, a limiting block is fixedly installed on the other side of the sliding plate two, two rectangular grooves are symmetrically arranged in the sliding groove two, one end of the limiting block passes through the sliding groove three and extends into the corresponding rectangular groove, one end of the limiting block is plugged into the corresponding rectangular groove, and one end of the sliding plate two passes through the sliding groove three and extends to the outside.

[0020] In the present technical solution, when one of the sliding bars needs to be used, the personnel first pinches the corresponding two sliding plates 2 and slides them close to each other. At the same time, the springs 1 are squeezed and contracted, and the two sliding plates 2 respectively drive the two limit blocks to slide out of the corresponding two rectangular grooves. Then the personnel pulls the sliding bar outward. When the sliding bar slides to the appropriate position, the personnel releases the two sliding plates 2. Under the action of the rebound force of the springs 1, the two sliding plates 2 slide, and the two sliding plates 2 respectively drive the two limit blocks to slide. Then the two limit blocks respectively enter the corresponding two rectangular grooves, so that the position of the sliding bar can be fixed. The set sliding bar is convenient for personnel to hang clothing keys on it. At the same time, the sliding bar will not protrude outside the door when not in use, and will not affect the appearance of the door.

[0021] In the above technical solution, further, the cross section of the sliding block is T-shaped.

[0022] In this technical solution, the stability of the sliding block is ensured when sliding.

[0023] In the above technical solution, further, the other end of the protrusion is arranged in an arc shape.

[0024] In this technical solution, it is ensured that the protrusion can be disengaged from the corresponding groove.

[0025] In the above technical solution, further, the cross-section of the sliding bar is T-shaped.

[0026] In this technical solution, it is ensured that objects hung on the sliding bar will not fall off.

[0027] The beneficial effects of the utility model are:

[0028] 1. For the cast aluminum anti-theft door with high security, one of the connecting rods is pulled to slide, and one of the connecting rods drives two sliding plates to slide, and the two sliding plates respectively pull the corresponding tension springs to extend, and then one side of the couplet is placed between one of the connecting rods and the anti-theft door body, and then one of the connecting rods is loosened, and under the action of the corresponding tension springs, one of the connecting rods slides toward the anti-theft door body, and then the couplet is fixed on the anti-theft door body by one of the connecting rods, and then all the couplets are fixed on one side of the anti-theft door body through the above operations;

[0029] When couplets of different lengths need to be fixed, first pull the connecting rod, which drives the two sliding blocks to slide. The sliding blocks can be limited by the set limit assembly, and the positions of couplets of different lengths can be further fixed.

[0030] 2. This highly secure cast aluminum anti-theft door can fix the position of the sliding bar by means of a fixed component when one of the sliding bars is needed. The sliding bar is convenient for people to hang their clothes and keys on it, and the sliding bar will not protrude outside the door when not in use, thereby not affecting the appearance of the door. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is one of the overall structural schematic diagrams of the utility model;

[0032] Figure 2 This is the second schematic diagram of the overall structure of the utility model;

[0033] Figure 3 This is one of the schematic cross-sectional structures of the anti-theft door body of the utility model;

[0034] Figure 4 The utility model Figure 3 The enlarged structural diagram at A in the middle;

[0035] Figure 5 It is a schematic diagram of the cross-sectional structure of the sliding bar of the utility model;

[0036] Figure 6 This is the second schematic diagram of the cross-sectional structure of the anti-theft door body of the utility model;

[0037] Figure 7 The utility model Figure 6 The enlarged structural diagram at A in the middle;

[0038] Figure 8 It is a schematic diagram of the cross-sectional structure of the sliding block of the utility model.

[0039] The symbols in the figure are:

[0040] 1. Anti-theft door body; 2. Limiting groove; 3. Sliding block; 4. Sliding groove 1; 5. Sliding plate 1; 6. Tension spring; 7. Connecting rod; 8. Sliding groove 2; 9. Sliding bar; 10. Cylindrical groove; 11. Bump; 12. Spring 2; 13. Groove; 14. Sliding groove 3; 15. Sliding plate 2; 16. Limiting block; 17. Spring 1; 18. Rectangular groove. DETAILED DESCRIPTION

[0041] The following will be combined with the drawings in the embodiments of the present application to clearly describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments in the present application belong to the scope of protection of this application.

[0042] In the description of the present application, it should be noted that the terms used here are only for describing specific embodiments, and are not intended to limit the exemplary embodiments according to the present application. For ease of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship. The techniques, methods and equipment known to ordinary technicians in the relevant fields may not be discussed in detail, but in appropriate cases, the techniques, methods and equipment should be regarded as part of the authorization specification. In all examples shown and discussed here, any specific value should be interpreted as merely exemplary, rather than as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that similar numbers and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further discussed in subsequent drawings.

[0043] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by "first", "second", etc. are generally of one type, and the number of objects is not limited. For example, the first object can be one or more. In addition, "and / or" in the specification and claims represents at least one of the connected objects, and the character " / " generally indicates that the objects associated with each other are in an "or" relationship.

[0044] It should be noted that, in the description of the present application, the orientation or positional relationship indicated by terms such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise stated, these orientation words do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the scope of protection of the present application; the orientation words "inside and outside" refer to the inside and outside relative to the contour of each component itself.

[0045] It should be noted that, in the present application, the terms "comprise", "include" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, an element defined by the sentence "comprises one..." does not exclude the presence of other identical elements in the process, method, article or device including the element. In addition, it should be noted that the scope of the method and device in the embodiment of the present application is not limited to performing functions in the order shown or discussed, and may also include performing functions in a substantially simultaneous manner or in reverse order according to the functions involved, for example, the described method may be performed in an order different from that described, and various steps may also be added, omitted, or combined. In addition, the features described with reference to certain examples may be combined in other examples.

[0046] Embodiment 1:

[0047] See also Figure 1 - Figure 8 As shown, this embodiment provides a cast aluminum anti-theft door with high security, including:

[0048] An anti-theft door body 1, a plurality of limiting grooves 2 are provided on one side of the anti-theft door body 1, a sliding block 3 is slidably installed in the limiting groove 2, a sliding groove 4 is provided on one side of the sliding block 3, a sliding plate 5 is slidably installed in the sliding groove 4, one end of the sliding plate 5 penetrates the sliding groove 4 and the limiting groove 2 and extends to the outside, a plurality of sliding plates 5 are respectively slidably connected with a plurality of limiting grooves 2, a same connecting rod 7 is fixedly installed at one end of two adjacent sliding plates 5, and a plurality of tension springs 6 fixed to the inner wall of the corresponding sliding groove 4 are fixedly installed at the other end of the sliding plate 5;

[0049] A plurality of limit assemblies, each of which is located in each of the plurality of sliding blocks 3 and is used to limit the sliding of each of the plurality of sliding blocks 3;

[0050] A plurality of sliding grooves 8 are provided on the other side of the anti-theft door body 1. A sliding bar 9 is slidably installed in the sliding groove 8. One end of the sliding bar 9 passes through the corresponding sliding groove 8 and extends to the outside.

[0051] A plurality of fixing components are respectively located in the plurality of sliding bars 9 and are respectively used to fix the positions of the plurality of sliding bars 9 .

[0052] Among them, first pull one of the connecting rods 7 to slide, one of the connecting rods 7 drives the two sliding plates 1 5 to slide, and the two sliding plates 1 5 respectively pull the corresponding tension springs 6 to extend, then place one side of the couplet between one of the connecting rods 7 and the anti-theft door body 1, then loosen one of the connecting rods 7, under the action of the corresponding tension springs 6, one of the connecting rods 7 slides toward the anti-theft door body 1, and then the couplet will be fixed on the anti-theft door body 1 by one of the connecting rods 7, and then all the couplets will be fixed on one side of the anti-theft door body 1 through the above operations;

[0053] When it is necessary to fix couplets of different lengths, first pull the connecting rod 7, the connecting rod 7 drives the two sliding blocks 3 to slide, and the sliding blocks 3 can be limited by the set limit assembly, and further the positions of couplets of different lengths can be fixed;

[0054] When one of the sliding bars 9 needs to be used, the position of the sliding bar 9 can be fixed by the set fixing component. The set sliding bar 9 is convenient for people to hang clothing keys on it. At the same time, the sliding bar 9 will not protrude outside the door when not in use, and will not affect the appearance of the door.

[0055] In this embodiment, the limit assembly includes:

[0056] A plurality of cylindrical grooves 10 are provided in the sliding block 3, a convex block 11 is slidably installed in the cylindrical groove 10, a spring 12 fixed to the inner wall of the corresponding cylindrical groove 10 is fixedly installed at one end of the convex block 11, a plurality of grooves 13 are provided in the limiting groove 2, the other end of the convex block 11 penetrates the corresponding cylindrical groove 10 and extends into the corresponding groove 13, and the other end of the convex block 11 is plugged and matched with the corresponding groove 13;

[0057] Among them, when it is necessary to fix couplets of different lengths, first pull the connecting rod 7, the connecting rod 7 drives the two sliding blocks 3 to slide, and the two sliding blocks 3 drive the corresponding protrusions 11 to disengage from the corresponding grooves 13 respectively, and at the same time the protrusions 11 will squeeze the corresponding springs 12 to contract. When the connecting rod 7 slides to a suitable position, under the action of the rebound force of the springs 12, the protrusions 11 will enter the grooves 13 respectively, so that the position of the sliding block 3 is limited, and the position of the couplets of different lengths can be further fixed.

[0058] In this embodiment, the fixing component includes:

[0059] Two sliding grooves 3 14, both sliding grooves 3 14 are provided in the sliding bar 9, a sliding plate 2 15 is slidably installed in the sliding groove 3 14, a plurality of springs 17 fixed to the inner wall of the sliding groove 3 14 are fixedly installed on one side of the sliding plate 2 15, a limiting block 16 is fixedly installed on the other side of the sliding plate 2 15, two rectangular grooves 18 are symmetrically provided in the sliding groove 2 8, one end of the limiting block 16 penetrates the sliding groove 3 14 and extends into the corresponding rectangular groove 18, one end of the limiting block 16 is plugged into the corresponding rectangular groove 18, and one end of the sliding plate 2 15 penetrates the sliding groove 3 14 and extends to the outside;

[0060] Among them, when it is necessary to use one of the sliding bars 9, the personnel first pinches the corresponding two sliding plates 15 to slide and move them closer to each other, and at the same time, the springs 17 are squeezed and contracted, and the two sliding plates 15 respectively drive the two limit blocks 16 to disengage from the corresponding two rectangular grooves 18, and then the personnel pulls the sliding bar 9 outward. When the sliding bar 9 slides to a suitable position, the personnel releases the two sliding plates 15, and under the action of the rebound force of the springs 17, the two sliding plates 15 slide, and the two sliding plates 15 respectively drive the two limit blocks 16 to slide, and then the two limit blocks 16 respectively enter the corresponding two rectangular grooves 18, so that the position of the sliding bar 9 can be fixed. The set sliding bar 9 is convenient for personnel to hang clothing keys on it, and at the same time, the sliding bar 9 will not protrude outside the door when not in use, and will not affect the appearance of the door.

[0061] Embodiment 2:

[0062] This embodiment provides a cast aluminum anti-theft door with high security, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0063] In this embodiment, the cross section of the sliding block 3 is T-shaped.

[0064] In this way, the stability of the sliding block 3 during sliding is ensured.

[0065] Embodiment 3:

[0066] This embodiment provides a cast aluminum anti-theft door with high security, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0067] In this embodiment, the other end of the protrusion 11 is arranged in an arc shape.

[0068] In this case, it is ensured that the protrusion 11 can be disengaged from the corresponding groove 13 .

[0069] Embodiment 4:

[0070] This embodiment provides a cast aluminum anti-theft door with high security, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0071] In this embodiment, the cross section of the sliding bar 9 is T-shaped.

[0072] Among them, it is ensured that the objects hung on the sliding bar 9 will not fall off.

[0073] Working principle: First, pull one of the connecting rods 7 to slide, and one of the connecting rods 7 drives two sliding plates 5 to slide, and the two sliding plates 5 respectively pull the corresponding tension springs 6 to extend, then place one side of the couplet between one of the connecting rods 7 and the anti-theft door body 1, then loosen one of the connecting rods 7, and under the action of the corresponding tension springs 6, one of the connecting rods 7 slides toward the anti-theft door body 1, and then the couplet will be fixed on the anti-theft door body 1 by one of the connecting rods 7, and then all the couplets will be fixed on one side of the anti-theft door body 1 through the above operations;

[0074] When it is necessary to fix couplets of different lengths, first pull the connecting rod 7, the connecting rod 7 drives the two sliding blocks 3 to slide, the two sliding blocks 3 drive the corresponding protrusions 11 to disengage from the corresponding grooves 13 respectively, and at the same time the protrusions 11 squeeze the corresponding springs 12 to contract, when the connecting rod 7 slides to a suitable position, under the action of the rebound force of the springs 12, the protrusions 11 will enter the grooves 13 respectively, so that the position of the sliding block 3 is limited, and the position of couplets of different lengths can be further fixed;

[0075] When one of the sliding bars 9 is needed, the personnel first pinches the corresponding two sliding plates 15 to slide and move them closer to each other. At the same time, the springs 17 are squeezed and contracted, and the two sliding plates 15 respectively drive the two limit blocks 16 to disengage from the corresponding two rectangular grooves 18. Then the personnel pulls the sliding bar 9 outward. When the sliding bar 9 slides to a suitable position, the personnel releases the two sliding plates 15. Under the action of the rebound force of the springs 17, the two sliding plates 15 slide, and the two sliding plates 15 respectively drive the two limit blocks 16 to slide. Then the two limit blocks 16 respectively enter the corresponding two rectangular grooves 18, so that the position of the sliding bar 9 can be fixed. The set sliding bar 9 is convenient for personnel to hang clothing keys on it. At the same time, the sliding bar 9 will not protrude outside the door when not in use, and will not affect the appearance of the door.

[0076] The embodiments of the present application are described above in conjunction with the accompanying drawings. In the absence of conflict, the embodiments in the present application and the features in the embodiments can be combined with each other. The present application is not limited to the above-mentioned specific implementation methods. The above-mentioned specific implementation methods are merely illustrative and not restrictive. Under the guidance of the present application, ordinary technicians in this field can also make many forms without departing from the purpose of the present application and the scope of protection of the claims, all of which are within the protection of the present application.

Claims

1. A highly secure cast aluminum anti-theft door, characterized in that: include: An anti-theft door body (1), wherein one side of the anti-theft door body (1) is provided with a plurality of limit grooves (2), a sliding block (3) is slidably installed in the limit groove (2), one side of the sliding block (3) is provided with a sliding groove (4), a sliding plate (5) is slidably installed in the sliding groove (4), one end of the sliding plate (5) penetrates the sliding groove (4) and the limit groove (2) and extends to the outside, a plurality of the sliding plates (5) are respectively slidably connected to the plurality of limit grooves (2), one end of two adjacent sliding plates (5) are fixedly installed with a same connecting rod (7), and the other end of the sliding plate (5) is fixedly installed with a plurality of tension springs (6) fixed to the inner wall of the corresponding sliding groove (4); A plurality of position limiting components, each of which is located in the plurality of sliding blocks (3) and is used to limit the sliding of the plurality of sliding blocks (3); A plurality of sliding grooves (8), wherein the plurality of sliding grooves (8) are arranged on the other side of the anti-theft door body (1), wherein a sliding bar (9) is slidably installed in the sliding grooves (8), and one end of the sliding bar (9) passes through the corresponding sliding grooves (8) and extends to the outside; A plurality of fixing components, wherein the plurality of fixing components are respectively located in the plurality of sliding bars (9) and are respectively used to fix the positions of the plurality of sliding bars (9).

2. A highly secure cast aluminum anti-theft door according to claim 1, characterized in that: The limiting component comprises: A plurality of cylindrical grooves (10), wherein the plurality of cylindrical grooves (10) are all provided in the sliding block (3), wherein a protrusion (11) is slidably installed in the cylindrical groove (10), wherein one end of the protrusion (11) is fixedly installed with a spring 2 (12) fixed to the inner wall of the corresponding cylindrical groove (10), wherein a plurality of grooves (13) are provided in the limiting groove (2), wherein the other end of the protrusion (11) penetrates the corresponding cylindrical groove (10) and extends into the corresponding groove (13), and the other end of the protrusion (11) is plugged into and matched with the corresponding groove (13).

3. A highly secure cast aluminum anti-theft door according to claim 2, characterized in that: The fixing assembly comprises: Two sliding grooves (14), both of which are provided in the sliding bar (9), a sliding plate (15) is slidably installed in the sliding groove (14), a plurality of springs (17) fixed to the inner wall of the sliding groove (14) are fixedly installed on one side of the sliding plate (15), a limit block (16) is fixedly installed on the other side of the sliding plate (15), two rectangular grooves (18) are symmetrically provided in the sliding groove (8), one end of the limit block (16) passes through the sliding groove (14) and extends into the corresponding rectangular groove (18), one end of the limit block (16) is plugged into the corresponding rectangular groove (18), and one end of the sliding plate (15) passes through the sliding groove (14) and extends to the outside.

4. The high-security cast aluminum anti-theft door according to claim 1 is characterized in that: The cross section of the sliding block (3) is T-shaped.

5. The high-security cast aluminum anti-theft door according to claim 2 is characterized in that: The other end of the protrusion (11) is arranged in an arc shape.

6. The high-security cast aluminum anti-theft door according to claim 1, characterized in that: The cross section of the sliding bar (9) is T-shaped.

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