Auxiliary ramp convenient for transporting articles through doorsill of anti-theft door
By designing an auxiliary ramp that is convenient to pass through the anti-theft door sill, using movable inclined plates and fixed right angle surfaces, the problem of inconvenient transportation of the anti-theft door sill is solved, and the smooth transportation of items and the protection of the threshold is achieved.
Patent Information
- Application Number
- CN202422431585.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-09
- Publication Date
- 2025-08-12
- Estimated Expiration
- 2034-10-09
AI Technical Summary
The existing anti-theft door sill design causes inconvenience in transportation of large items, which can easily cause damage to items and damage to the threshold, and lack convenience.
An auxiliary ramp including the first ramp, the second ramp and the third ramp is designed. By fixing the right angle surface of the ramp with the threshold and the ground, the smooth transportation of items is achieved by using movable inclined plates to avoid bumps and bumps.
It realizes convenient transportation of items through the anti-theft door threshold, preventing items from being damaged and the threshold damage, with a simple structure and low cost, and is suitable for large-scale promotion.
Smart Images
Figure CN223215010U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of civil engineering, in particular to the technical field of smoothly transporting objects through the threshold of a security door, and specifically refers to an auxiliary ramp for conveniently transporting objects through the threshold of a security door. Background Art
[0002] Civil engineering is a general term for the science and technology involved in constructing various types of land-based engineering facilities. It refers to the materials and equipment used, as well as the technical activities involved in surveying, designing, constructing, maintaining, and repairing them. It also refers to the objects of construction. These are the various engineering facilities constructed above, below, or on land that directly or indirectly serve human life, production, military operations, and scientific research.
[0003] Nowadays, security doors are widely used in various buildings. To ensure the closure and the deformation of the door frame, the threshold of the security door is raised from the ground and the threshold is high inside and low outside, showing a stepped shape. Figure 1 As shown, the security door threshold 1 includes an outer threshold 2 and an inner threshold 3. Both the outer threshold 2 and the inner threshold 3 are in the shape of a rectangular parallelepiped. The outer threshold 2 is vertically arranged and arranged along the front-to-back direction, and the inner threshold 3 is horizontally arranged and arranged along the front-to-back direction. The inner threshold 3 is located on the right side of the lower part of the outer threshold 2 and is connected to the lower part of the outer threshold 2. The upper part of the outer threshold 2 protrudes upward (higher than) the inner threshold 3, and the entire security door threshold 1 is stepped.
[0004] When transporting heavy items and some special items with "no bumping requirements" indoors on a daily basis, the passability is extremely poor and extremely inconvenient, which can easily cause the items to bump and hit the security door threshold 1, causing damage to the items or the security door threshold 1. Therefore, it is necessary to improve the security door threshold 1 to facilitate the transportation of heavy items or items with special requirements.
[0005] Therefore, it is hoped to provide an auxiliary ramp that is convenient for transporting articles through the security door threshold, which can facilitate the transportation of articles through the security door threshold, prevent bumps and collisions, and avoid damage to the articles or the security door threshold. Utility Model Content
[0006] In order to overcome the shortcomings of the above-mentioned prior art, one purpose of the present utility model is to provide an auxiliary ramp that is convenient for transporting items through the threshold of security doors. The ramp can facilitate the transportation of items through the threshold of security doors, prevent bumps and collisions, avoid damage to items or damage to the threshold of security doors, and is suitable for large-scale promotion and application.
[0007] Another object of the present invention is to provide an auxiliary ramp for transporting articles through the threshold of a security door, which has an ingenious design, a simple structure, is easy to manufacture, has a low manufacturing cost, and is suitable for large-scale promotion and application.
[0008] To achieve the above objectives, the present invention provides an auxiliary ramp for facilitating the transportation of articles through the threshold of a security door. The auxiliary ramp comprises a first ramp, a second ramp and a third ramp, wherein:
[0009] The first ramp and the third ramp are both right-angled triangle ramps. The first ramp and the third ramp are both horizontally arranged and arranged along the front-to-back direction and spaced apart from each other on the left and right sides. The first ramp and the third ramp are arranged back to back. One of the right-angled surfaces of the first ramp is vertically arranged and arranged along the front-to-back direction. One of the right-angled surfaces of the first ramp is used to be located to the right of the right side of the inner threshold of the security door threshold and abut against the right side of the inner threshold. The top of one of the right-angled surfaces of the first ramp is used to be flush with the top surface of the inner threshold. The other right-angled surface of the first ramp is horizontally arranged and arranged along the front-to-back direction and is used to be supported on the indoor floor. One of the right-angled surfaces of the first ramp is used to connect to the right side of the inner threshold or the other right-angled surface of the first ramp is used to be fixed on the indoor floor. On the ground, the inclined surface of the first ramp is arranged along the front-to-back direction and is inclined toward the upper left from the right to the left, one of the right-angled surfaces of the third ramp is arranged vertically and along the front-to-back direction, one of the right-angled surfaces of the third ramp is used to be located to the left of the left side of the outer threshold of the security door threshold and abut against the left side of the outer threshold, the top of one of the right-angled surfaces of the third ramp is used to be flush with the top surface of the outer threshold, the other right-angled surface of the third ramp is arranged horizontally and along the front-to-back direction and is used to be supported on the outdoor ground, one of the right-angled surfaces of the third ramp is used to connect to the left side of the outer threshold or the other right-angled surface of the third ramp is used to be fixed to the outdoor ground, the inclined surface of the third ramp is arranged along the front-to-back direction and is inclined toward the upper right from the left to the right;
[0010] The second ramp includes an inclined plate, which is arranged along the front-to-back direction and inclined toward the upper left from right to left. The second ramp has a first use position and a second use position. In the first use position, the inclined plate is located on the inclined surface of the first ramp and is parallel to the inclined surface of the first ramp and is movably arranged relative to the inclined surface of the first ramp along the inclined direction of the inclined surface of the first ramp. The inclined plate moves toward the upper left relative to the inclined surface of the first ramp along the inclined direction of the inclined surface of the first ramp to the second use position. In the second use position, the left side of the inclined plate is used to be located to the right of the top of the right side surface of the outer door sill and abut against the top of the right side surface of the outer door sill and be flush with the top surface of the outer door sill.
[0011] Preferably, the inclined surface of the first ramp is provided with a slide groove along the inclination direction of the inclined surface of the first ramp, and the bottom of the inclined plate is provided with a slide bar along the inclination direction of the inclined surface of the first ramp, and the slide bar is movably provided in the slide groove along the inclination direction of the inclined surface of the first ramp.
[0012] More preferably, there are multiple chutes, which are spaced apart from each other in front and back, and the number of the slide bars is the same as the number of the chutes, and the slide bars and the chutes are arranged in a one-to-one correspondence.
[0013] Furthermore, the number of the chutes is 2.
[0014] More preferably, the slide groove is a semicircular slide groove, and the slide bar is a semicircular arc slide bar.
[0015] More preferably, the chute is formed by bending the inclined surface of the first ramp downward.
[0016] More preferably, the slide bar is formed by bending the inclined plate downward.
[0017] Preferably, the second ramp also includes a horizontal plate, which is arranged along the front-to-back direction, and the right side of the horizontal plate is connected to the left side of the inclined plate. In the first use position, the horizontal plate is used to abut against the top surface of the inner threshold, and in the second use position, the horizontal plate is used to abut against the top surface of the outer threshold.
[0018] The beneficial effects of the present invention are mainly:
[0019] 1. When the auxiliary ramp for transporting articles through the threshold of a security door of the present invention is used, one of the right-angled surfaces of the first ramp is placed to the right of the right side of the inner threshold of the security door threshold and abuts against the right side of the inner threshold, with its top flush with the top surface of the inner threshold; the other right-angled surface of the first ramp is supported on the indoor floor and fixed thereto; the inclined plate of the second ramp is located on the inclined surface of the first ramp and is parallel to the inclined surface of the first ramp and is movable relative to the inclined surface of the first ramp in the inclination direction of the inclined surface of the first ramp; one of the right-angled surfaces of the third ramp is placed on the left side of the outer threshold of the security door threshold The left side of the inclined plate is located to the right of the top of the right side of the outer door sill and is against the top of the right side of the outer door sill and is flush with the top surface of the outer door sill. The other right-angled surface of the third ramp is supported on the outdoor ground and fixed thereto. When transporting items, the inclined plate is moved toward the upper left relative to the inclined surface of the first ramp along the inclined direction of the inclined surface of the first ramp to the second use position. The left side of the inclined plate is located to the right of the top of the right side of the outer door sill and is against the top of the right side of the outer door sill and is flush with the top surface of the outer door sill. Therefore, it is convenient to transport items through the security door sill, prevent bumps and collisions, avoid damage to items or damage to the security door sill, and is suitable for large-scale promotion and application.
[0020] 2. When the auxiliary ramp for transporting articles through the threshold of a security door of the present invention is used, one of the right-angled surfaces of the first ramp is placed to the right of the right side of the inner threshold of the security door threshold and abuts against the right side of the inner threshold, with its top flush with the top surface of the inner threshold. The other right-angled surface of the first ramp is supported on the indoor floor and fixed thereto. The inclined plate of the second ramp is located on the inclined surface of the first ramp and is parallel to the inclined surface of the first ramp and is movable relative to the inclined surface of the first ramp in the inclined direction of the inclined surface of the first ramp. One of the right-angled surfaces of the third ramp is placed on the right side of the security door threshold. The left side of the left side of the outer threshold of the sill and abuts against the left side of the outer threshold, and its top is flush with the top surface of the outer threshold. The other right-angled surface of the third ramp is supported on the outdoor ground and fixed thereto. When transporting items, the inclined plate is moved toward the upper left relative to the inclined surface of the first ramp along the inclined direction of the inclined surface of the first ramp to the second use position. The left side of the inclined plate is located to the right of the top of the right side of the outer threshold and abuts against the top of the right side of the outer threshold and is flush with the top surface of the outer threshold. Therefore, its design is ingenious, the structure is simple, the manufacturing is simple, the manufacturing cost is low, and it is suitable for large-scale promotion and application.
[0021] These and other objects, features and advantages of the present invention are fully reflected in the following detailed description and drawings, and can be achieved by the means, devices and their combinations specifically pointed out in the content of the utility model. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] Figure 1 The utility model is a main sectional schematic diagram of an existing anti-theft door threshold.
[0023] Figure 2 It is a front view schematic diagram of a specific embodiment of the auxiliary ramp of the utility model for facilitating the transportation of articles through the threshold of a security door, wherein the second ramp is in the first use position.
[0024] Figure 3 yes Figure 2 A schematic front view of the first ramp of the embodiment shown.
[0025] Figure 4 yes Figure 2 A schematic right side cross-sectional view of the inclined surface of the first ramp of the specific embodiment shown.
[0026] Figure 5 yes Figure 2 A schematic front view of the second ramp of the embodiment shown.
[0027] Figure 6 yes Figure 2 A schematic right side cross-sectional view of the inclined plate of the second ramp of the embodiment shown.
[0028] Figure 7 It will Figure 2 The specific embodiment shown is a front view schematic diagram of being installed on the left and right sides of the threshold of a security door, wherein the second ramp is in the first use position.
[0029] Figure 8 It will Figure 2 The specific embodiment shown is a front view schematic diagram of being installed on the left and right sides of the threshold of the anti-theft door, wherein the second ramp is in the second use position.
[0030] Figure 9 It will Figure 2 The specific embodiment shown is a partial right view schematic diagram of the embodiment installed on the left and right sides of the threshold of the anti-theft door, wherein the second ramp is in the second use position.
[0031] (Explanation of Symbols)
[0032] 1 Security door threshold; 2 External threshold; 3 Internal threshold; 4 Indoor floor; 5 Outdoor floor; 6 First ramp; 7 Second ramp; 8 Third ramp; 9 Inclined plate; 10 Slide; 11 Slide bar; 12 Horizontal plate; 13 Security door frame. DETAILED DESCRIPTION
[0033] In order to more clearly understand the technical content of the present invention, the following embodiments are given to explain in detail.
[0034] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the present invention.
[0035] See Figures 2 to 6 As shown, in a specific embodiment of the present invention, the auxiliary ramp of the present invention for facilitating the transportation of articles through the threshold of the anti-theft door includes a first ramp 6, a second ramp 7 and a third ramp 8, wherein:
[0036] The first ramp 6 and the third ramp 8 are both right-angled triangle ramps (that is, the cross-section of the first ramp 6 and the cross-section of the third ramp 8 are both right-angled triangles), the first ramp 6 and the third ramp 8 are both horizontally arranged and arranged in the front-to-back direction and spaced apart from each other on the left and right, the first ramp 6 and the third ramp 8 are arranged back to back, one of the right-angled surfaces of the first ramp 6 is vertically arranged and arranged in the front-to-back direction, one of the right-angled surfaces of the first ramp 6 is used to be located to the right of the right side surface of the inner threshold 3 of the security door threshold 1 and abut against the right side surface of the inner threshold 3, the top of one of the right-angled surfaces of the first ramp 6 is used to be flush with the top surface of the inner threshold 3, the other right-angled surface of the first ramp 6 is horizontally arranged and arranged in the front-to-back direction and used to be supported on the indoor floor 4, and the other right-angled surface of the first ramp 6 is used to be fixed on the indoor floor 4 (or, one of the right-angled surfaces of the first ramp 6 a right-angled surface for connecting the right side of the inner threshold 3), the inclined surface of the first ramp 6 is arranged along the front-to-back direction and is inclined toward the upper left from the right to the left, one of the right-angled surfaces of the third ramp 8 is arranged vertically and along the front-to-back direction, one of the right-angled surfaces of the third ramp 8 is used to be located to the left of the left side of the outer threshold 2 of the security door threshold 1 and abut against the left side of the outer threshold 2, the top of one of the right-angled surfaces of the third ramp 8 is used to be flush with the top surface of the outer threshold 2, the other right-angled surface of the third ramp 8 is arranged horizontally and along the front-to-back direction and is used to be supported on the outdoor ground 5, the other right-angled surface of the third ramp 8 is used to be fixed on the outdoor ground 5 (or, one of the right-angled surfaces of the third ramp 8 is used to connect the left side of the outer threshold 2), the inclined surface of the third ramp 8 is arranged along the front-to-back direction and is inclined toward the upper right from the left to the right;
[0037] The second ramp 7 includes an inclined plate 9, which is arranged along the front-to-back direction and inclined toward the upper left from right to left. The second ramp 7 has a first use position and a second use position. In the first use position, the inclined plate 9 is located on the inclined surface of the first ramp 6 and is parallel to the inclined surface of the first ramp 6 and is movably arranged relative to the inclined surface of the first ramp 6 along the inclined direction of the inclined surface of the first ramp 6. The inclined plate 9 moves toward the upper left relative to the inclined surface of the first ramp 6 along the inclined direction of the inclined surface of the first ramp 6 to the second use position. In the second use position, the left side of the inclined plate 9 is used to be located to the right of the top of the right side surface of the outer door sill 2 and abuts against the top of the right side surface of the outer door sill 2 and is flush with the top surface of the outer door sill 2.
[0038] The inclined plate 9 is located on the inclined surface of the first ramp 6 and is movable relative to the inclined surface of the first ramp 6 along the inclined direction of the inclined surface of the first ramp 6. Any suitable structure can be used. Figure 4 and Figure 6 As shown, in a specific embodiment of the present utility model, the inclined surface of the first ramp 6 is provided with a slide groove 10 along the inclination direction of the inclined surface of the first ramp 6, and the bottom of the inclined plate 9 is provided with a slide bar 11 along the inclination direction of the inclined surface of the first ramp 6, and the slide bar 11 is movably provided in the slide groove 10 along the inclination direction of the inclined surface of the first ramp 6.
[0039] The number of the chutes 10 can be determined as needed. More preferably, the number of the chutes 10 is multiple, and the multiple chutes 10 are spaced apart from each other. The number of the slide bars 11 is the same as the number of the chutes 10, and the slide bars 11 and the chutes 10 are arranged in a one-to-one correspondence. The above "multiple" refers to more than 2, see Figure 4 As shown, in a specific embodiment of the present invention, the number of the chutes 10 is two.
[0040] The chute 10 and the slide bar 11 may have any suitable shape. Figure 4 and Figure 6 As shown, in a specific embodiment of the present invention, the chute 10 is a semicircular chute, and the slide bar 11 is a semicircular arc slide bar. That is, the cross section of the chute 10 is semicircular, and the cross section of the slide bar 11 is semicircular.
[0041] The chute 10 can be formed in any suitable manner. Figure 4 As shown, in a specific embodiment of the present invention, the chute 10 is formed by bending the inclined surface of the first ramp 6 downward.
[0042] The slide bar 11 can be formed in any suitable manner. Figure 6 As shown, in a specific embodiment of the present invention, the slide bar 11 is formed by bending the inclined plate 9 downward.
[0043] The second ramp 7 may also include any other suitable components, see Figure 2 and Figure 5 As shown, in a specific embodiment of the present invention, the second ramp 7 also includes a horizontal plate 12, which is arranged along the front-to-back direction, and the right side of the horizontal plate 12 is connected to the left side of the inclined plate 9. In the first use position, the horizontal plate 12 is used to abut against the top surface of the inner door sill 3, and in the second use position, the horizontal plate 12 is used to abut against the top surface of the outer door sill 2.
[0044] When using this utility model, its using steps are briefly described as follows:
[0045] The first step is to place one of the right-angled surfaces of the first ramp 6 to the right of the right side of the inner threshold 3 of the security door threshold 1 and abut against the right side of the inner threshold 3, with its top flush with the top surface of the inner threshold 3, support the other right-angled surface of the first ramp 6 on the indoor floor 4 and fix it thereto (for example, by fastening bolts or glue, etc.), the inclined plate 9 of the second ramp 7 is located on the inclined surface of the first ramp 6 and is parallel to the inclined surface of the first ramp 6 and is movable relative to the inclined surface of the first ramp 6 along the inclined direction of the inclined surface of the first ramp 6, the horizontal plate 12 (if any) abuts against the top surface of the inner threshold 3, place one of the right-angled surfaces of the third ramp 8 to the left of the left side of the outer threshold 2 of the security door threshold 1 and abut against the left side of the outer threshold 2, with its top flush with the top surface of the outer threshold 2, support the other right-angled surface of the third ramp 8 on the outdoor floor 5 and fix it thereto (for example, by fastening bolts or glue, etc.);
[0046] At this time, the second ramp 7 is in the first use position, and this state will not affect the closing of the anti-theft door;
[0047] In the second step, when it is necessary to transport items through the security door threshold 1, the inclined plate 9 is moved upward and leftward relative to the inclined surface of the first ramp 6 along the inclined direction of the inclined surface of the first ramp 6 until the left side of the inclined plate 9 is located to the right of the top of the right side surface of the outer threshold 2 and abuts against the top of the right side surface of the outer threshold 2 and is flush with the top surface of the outer threshold 2, and the horizontal plate 12 (if present) abuts against the top surface of the outer threshold 2;
[0048] At this time, the second ramp 7 is in the second use position, which is convenient for transporting items through the security door threshold 1. Items can be transported through the inclined surface of the third ramp 8, the top surface of the outer threshold 2, the upper surface of the horizontal plate 12 (if present), the upper surface of the inclined plate 9, and the inclined surface of the first ramp 6.
[0049] The third step is to reset the inclined plate 9 relative to the inclined surface of the first ramp 6 along the inclined direction of the inclined surface of the first ramp 6 to the lower right after the transportation is completed. The inclined plate 9 returns to the inclined surface of the first ramp 6, and the horizontal plate 12 (if any) rests against the top surface of the inner door sill 3 again.
[0050] Therefore, the utility model provides a ramp that is easy to construct, simple to operate, reusable, and suitable for freely extending and retracting between the ground and the threshold of the security door. Without affecting the closing of the security door, it improves the convenience of transporting articles through the threshold of the security door and reduces unnecessary losses and related accident risks caused by bumps or collisions when articles pass through the threshold of the security door.
[0051] In summary, the auxiliary ramp of the utility model for transporting items through the threshold of the security door can facilitate the transportation of items through the threshold of the security door, prevent bumps and collisions, and avoid damage to items or damage to the threshold of the security door. It has a clever design, a simple structure, is easy to manufacture, and has a low manufacturing cost, and is suitable for large-scale promotion and application.
[0052] It can be seen that the purpose of this utility model has been fully and effectively achieved. The functional and structural principles of this utility model have been demonstrated and explained in the embodiments. Without departing from the principles described, the embodiments may be modified in any way. Therefore, this utility model includes all modified embodiments based on the spirit and scope of the claims.
Claims
1. An auxiliary ramp for transporting items through the threshold of a security door, characterized in that: It includes the first ramp, the second ramp and the third ramp, of which: The first ramp and the third ramp are both right-angled triangle ramps. The first ramp and the third ramp are both horizontally arranged and arranged along the front-to-back direction and spaced apart from each other on the left and right sides. The first ramp and the third ramp are arranged back to back. One of the right-angled surfaces of the first ramp is vertically arranged and arranged along the front-to-back direction. One of the right-angled surfaces of the first ramp is used to be located to the right of the right side of the inner threshold of the security door threshold and abut against the right side of the inner threshold. The top of one of the right-angled surfaces of the first ramp is used to be flush with the top surface of the inner threshold. The other right-angled surface of the first ramp is horizontally arranged and arranged along the front-to-back direction and is used to be supported on the indoor floor. One of the right-angled surfaces of the first ramp is used to connect to the right side of the inner threshold or the other right-angled surface of the first ramp is used to be fixed on the indoor floor. On the ground, the inclined surface of the first ramp is arranged along the front-to-back direction and is inclined toward the upper left from the right to the left, one of the right-angled surfaces of the third ramp is arranged vertically and along the front-to-back direction, one of the right-angled surfaces of the third ramp is used to be located to the left of the left side of the outer threshold of the security door threshold and abut against the left side of the outer threshold, the top of one of the right-angled surfaces of the third ramp is used to be flush with the top surface of the outer threshold, the other right-angled surface of the third ramp is arranged horizontally and along the front-to-back direction and is used to be supported on the outdoor ground, one of the right-angled surfaces of the third ramp is used to connect to the left side of the outer threshold or the other right-angled surface of the third ramp is used to be fixed to the outdoor ground, the inclined surface of the third ramp is arranged along the front-to-back direction and is inclined toward the upper right from the left to the right; The second ramp includes an inclined plate, which is arranged along the front-to-back direction and inclined toward the upper left from right to left. The second ramp has a first use position and a second use position. In the first use position, the inclined plate is located on the inclined surface of the first ramp and is parallel to the inclined surface of the first ramp and is movably arranged relative to the inclined surface of the first ramp along the inclined direction of the inclined surface of the first ramp. The inclined plate moves toward the upper left relative to the inclined surface of the first ramp along the inclined direction of the inclined surface of the first ramp to the second use position. In the second use position, the left side of the inclined plate is used to be located to the right of the top of the right side surface of the outer door sill and abut against the top of the right side surface of the outer door sill and be flush with the top surface of the outer door sill.
2. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door according to claim 1, characterized in that: The inclined surface of the first ramp is provided with a slide groove along the inclination direction of the inclined surface of the first ramp, and the bottom of the inclined plate is provided with a slide bar along the inclination direction of the inclined surface of the first ramp, and the slide bar is movably provided in the slide groove along the inclination direction of the inclined surface of the first ramp.
3. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door as claimed in claim 2, characterized in that: There are multiple chutes, which are spaced apart from each other in front and back. The number of the slide bars is the same as the number of the chutes, and the slide bars and the chutes are arranged in a one-to-one correspondence.
4. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door as claimed in claim 3, characterized in that: The number of the chutes is 2.
5. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door as claimed in claim 2, characterized in that: The slide groove is a semicircular slide groove, and the slide bar is a semicircular arc slide bar.
6. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door as claimed in claim 2, characterized in that: The chute is formed by the downward bending of the inclined surface of the first ramp.
7. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door as claimed in claim 2, characterized in that: The slide bar is formed by bending the inclined plate downward.
8. The auxiliary ramp for facilitating the transportation of articles through the threshold of a security door as claimed in claim 1, characterized in that: The second ramp also includes a horizontal plate, which is arranged along the front-to-back direction, and the right side of the horizontal plate is connected to the left side of the inclined plate. In the first usage position, the horizontal plate is used to abut against the top surface of the inner threshold, and in the second usage position, the horizontal plate is used to abut against the top surface of the outer threshold.