A multifunctional ventilation entrance door for protecting privacy

Abstract

The present invention provides a multifunctional ventilated entrance door for protecting privacy, comprising a door frame, an inner side of the door frame being hingedly connected to a main door body, a ventilation mechanism being provided on the upper part of the main door body, an express receiving mechanism being provided on the middle side of the main door body, and a plurality of shoe cabinet mechanisms being provided on the other side of the lower part of the main door body. The invention ensures indoor privacy while ensuring ventilation through the bending arrangement of the ventilation duct and the ventilation mechanism, realizes active ventilation and air exchange through the fan mechanism, thereby improving ventilation efficiency, realizes the function of allowing couriers to store express when no one is there to receive the express through the express receiving mechanism, and provides a storage function through the shoe cabinet mechanism, which makes it convenient to change shoes when entering and leaving the door, and to store shoes. The overall structure is simple and easy to operate.

Description

Technical Field

[0001] The present invention relates to the technical field of anti-theft doors, and in particular to a multifunctional ventilation entrance door for protecting privacy. Background Art

[0002] The entrance door is the first gate into the house, so of course its anti-theft performance should be higher. Therefore, the entrance door is also called the anti-theft door. Most houses are installed with the entrance door when they are completed.

[0003] With the development of the real estate industry, there will be many intermediate units in high-rise buildings, which are characterized by being blocked from north to south. In units with blocked north to south ventilation, the ventilation effect is poor, and it is often necessary to open the entrance door to ventilate the room. However, when the door is opened for ventilation, not only can the indoor privacy not be guaranteed, but the anti-theft security is also lost.

[0004] Existing entrance doors with ventilation effects mainly have a window in the middle of the door body, supplemented by a mesh protection method, which results in poor concealment and cannot guarantee indoor privacy. In addition, the protective net makes it difficult to balance ventilation and protection effects. Summary of the Invention

[0005] In view of the above problems, the present invention provides a multifunctional ventilation entrance door that protects privacy, the purpose of which is to solve the technical problem proposed in the above background technology that the entrance door cannot ensure indoor privacy while ventilating.

[0006] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a multifunctional ventilated entrance door that protects privacy, comprising a door frame, an inner side of the door frame being hingedly connected to a main door body, a ventilation mechanism being provided on the upper part of the main door body, an express receiving mechanism being provided on one side of the middle part of the main door body, and a plurality of shoe cabinet mechanisms being provided on the other side of the lower part of the main door body.

[0007] Furthermore, a ventilation duct is opened on the upper part of the main door body, the ventilation duct is bent, and a ventilation mechanism is provided inside the ventilation duct. An express box is opened on one side of the middle part of the main door body, and an express receiving mechanism is provided on one side of the express box. A shoe cabinet body is opened on the other side of the lower part of the main door body, the shoe cabinet body is multi-layered, and multiple shoe cabinet mechanisms are provided on one side of the shoe cabinet body.

[0008] Furthermore, the ventilation mechanism includes a movable louver group, both sides of the movable louver group are respectively rotatably connected to the inner sides of the ventilation duct, one end of the movable louver group is slidably connected to one end of the fan mechanism, and the other end of the fan mechanism is fixedly connected to the movable ventilation plate mechanism, and the two ends of the movable ventilation plate mechanism are respectively fixedly connected to the other side of the upper part of the main door body.

[0009] Furthermore, the movable louver group includes a plurality of louvers, and the cross-sections of the plurality of louvers are L-shaped. The two ends of the plurality of louvers are respectively rotatably connected to the inner sides of the ventilation duct. One end of the plurality of louvers is respectively provided with a blade angle control block, and one end of the plurality of blade angle control blocks is rotatably connected to one side of the blade angle control connecting rod. The other side of the blade angle control connecting rod is provided with a toggle rod, and the toggle rod is slidably connected to one end of the fan mechanism.

[0010] Furthermore, the fan mechanism includes a fan fixing base, which is fixedly connected to the middle part of the ventilation duct, and a plurality of fan bodies are embedded in the middle part of the fan fixing base. One end of the fan fixing base is rotatably connected to the middle part of the louver control block, and one end of the louver control block is slidably connected to the middle part of the toggle rod. The other end of the louver control block is rotatably connected to one end of the louver control link, and the other end of the louver control link is rotatably connected to one end of the link fixing block, and the other end of the link fixing block is fixedly connected to one side of the movable ventilation plate mechanism.

[0011] Furthermore, the movable ventilation plate mechanism includes a movable cover plate, which is arranged at one end of the ventilation duct, one side of the movable cover plate is fixedly connected to the other end of the connecting rod fixing block, and the other side of the movable cover plate is fixedly connected to multiple cover plate movable units, and the two ends of the multiple cover plate movable units are respectively fixedly connected to the other side of the upper part of the main door body.

[0012] Furthermore, the cover movable unit includes a cover handle, and both ends of one side of the cover handle are fixedly connected to the other side of the movable cover, and the two ends of the cover handle are respectively provided with outer spring grooves, and the bottoms of multiple outer spring grooves are respectively provided with spring bodies, and the middle parts of multiple outer spring grooves are respectively slidably connected to one end of the telescopic rod, and one ends of multiple telescopic rods are respectively provided with inner spring grooves, and one ends of multiple spring bodies are respectively arranged inside the inner spring grooves, and the other ends of multiple telescopic rods are respectively rotatably connected to one end of multiple movable rockers, and the other ends of multiple movable rockers are respectively rotatably connected to the middle part of the cover fixing block, and one end of multiple cover fixing blocks is fixedly connected to the other side of the upper part of the main door body.

[0013] Furthermore, the express receiving mechanism includes a box door panel, one side of the box door panel is hingedly connected to one side of the express box, and the other side of the box door panel is embedded with an electronic password lock, and lock holes are opened inside one side of the electronic password lock and the other side of the express box.

[0014] Furthermore, the shoe cabinet mechanism includes a lower door leaf, the lower side hinge of the lower door leaf is connected to the lower side of the shoe cabinet body, the upper side hinge of the lower door leaf is connected to the lower side of the upper door leaf, the two sides of the upper door leaf are symmetrically fixedly connected to one end of the folding mechanism, and the other ends of multiple folding mechanisms are respectively fixedly connected to the inner sides of the shoe cabinet body.

[0015] Furthermore, the folding mechanism includes a folding fixed block, one side of the folding fixed block is fixedly connected to the inner side of the shoe cabinet body, the upper end of the folding fixed block is rotatably connected to one end of the folding upper rocker arm, the lower end of the folding fixed block is rotatably connected to one end of the folding lower rocker arm, the other end of the folding upper rocker arm is rotatably connected to the upper end of the folding movable block, the other end of the folding lower rocker arm is rotatably connected to the lower end of the folding movable block, the folding movable block is fixedly connected to one side of the upper door leaf, one end of the folding upper rocker arm is rotatably connected to one end of the folding hydraulic support rod, and the other end of the folding lower rocker arm is rotatably connected to the other end of the folding hydraulic support rod.

[0016] Compared with the prior art, the present invention has the following beneficial effects:

[0017] Through the bending setting of the ventilation duct and the ventilation mechanism, ventilation is ensured while ensuring indoor privacy. Active ventilation is achieved through the fan mechanism, thereby improving ventilation efficiency. The express receiving mechanism allows the courier to store the express when no one is there to receive it. The shoe cabinet mechanism provides storage function, which is convenient for changing shoes when entering and leaving the door, and for storing shoes. The overall structure is simple and easy to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the appearance structure of the present invention A;

[0019] Figure 2 This is a schematic diagram B of the appearance structure of the present invention;

[0020] Figure 3 This is a schematic diagram of the internal structure of the present invention;

[0021] Figure 4 This is a schematic cross-sectional view of the main door structure of the present invention;

[0022] Figure 5 It is a schematic structural diagram of the ventilation mechanism of the present invention;

[0023] Figure 6 This is a schematic diagram of the structure of the movable louver group of the present invention;

[0024] Figure 7 This is a schematic diagram of the fan mechanism structure of the present invention;

[0025] Figure 8This is a schematic diagram of the structure of the movable ventilation plate mechanism of the present invention;

[0026] Figure 9 It is a schematic diagram of the shoe cabinet structure of the present invention.

[0027] In the figure: 1. Door frame; 2. Main door body; 21. Ventilation duct; 22. Express box; 23. Shoe cabinet body; 3. Ventilation mechanism; 31. Movable shutter assembly; 311. Shutter blades; 312. Blade angle control block; 313. Blade angle control connecting rod; 314. Toggle lever; 32. Fan mechanism; 321. Fan fixing base; 322. Fan body; 323. Shutter control block; 324. Shutter control connecting rod; 325. Connecting rod fixing block; 33. Movable ventilation plate mechanism; 331. Movable cover plate; 332. Movable cover plate Unit; 3321, cover handle; 33211, outer spring slot; 3322, spring body; 3323, telescopic rod; 33231, inner spring slot; 3324, movable rocker; 3325, cover fixing block; 4, express receiving mechanism; 41, cabinet door panel; 42, electronic password lock; 5, shoe cabinet mechanism; 51, lower door leaf; 52, upper door leaf; 53, folding mechanism; 531, folding fixing block; 532, folding upper rocker arm; 533, folding lower rocker arm; 534, folding movable block; 535, folding hydraulic support rod. DETAILED DESCRIPTION

[0028] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0029] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0030] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly associated with those skilled in the art to which the present invention pertains. The terminology used herein in the specification of the present invention is for the purpose of describing specific embodiments and is not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0031] For details, please refer to the examples Figure 1-3A multifunctional ventilated entrance door for protecting privacy includes a door frame 1, an inner side of the door frame 1 is hingedly connected to a main door body 2, a ventilation mechanism 3 is provided on the upper part of the main door body 2, an express receiving mechanism 4 is provided on one side of the middle part of the main door body 2, and a plurality of shoe cabinet mechanisms 5 are provided on the other side of the lower part of the main door body 2.

[0032] For details, please refer to the examples Figure 3-4 A ventilation duct 21 is provided on the upper part of the main door body 2, and the ventilation duct 21 is bent. A ventilation mechanism 3 is provided inside the ventilation duct 21. An express box 22 is provided on one side of the middle part of the main door body 2, and an express receiving mechanism 4 is provided on one side of the express box 22. A shoe cabinet body 23 is provided on the other side of the lower part of the main door body 2, and the shoe cabinet body 23 is multi-layered, and multiple shoe cabinet mechanisms 5 are provided on one side of the shoe cabinet body 23.

[0033] For details, please refer to the examples Figure 5 The ventilation mechanism 3 includes a movable louver group 31, and the two sides of the movable louver group 31 are respectively rotatably connected to the inner two sides of the ventilation duct 21, and one end of the movable louver group 31 is slidably connected to one end of the fan mechanism 32, and the other end of the fan mechanism 32 is fixedly connected to the movable ventilation plate mechanism 33, and the two ends of the movable ventilation plate mechanism 33 are respectively fixedly connected to the other side of the upper part of the main door body 2. This design opens and closes one end of the ventilation duct 21 through the movable louver group 31, realizes active ventilation through the fan mechanism 32, and opens and closes the other end of the ventilation duct 21 through the movable ventilation plate mechanism 33.

[0034] For details, please refer to the examples Figure 6 The movable louver group 31 includes a plurality of louvers 311, and the cross-section of the plurality of louvers 311 is L-shaped. The two ends of the plurality of louvers 311 are respectively rotatably connected to the inner sides of the ventilation duct 21. One end of the plurality of louvers 311 is respectively provided with a blade angle control block 312, and one end of the plurality of blade angle control blocks 312 is rotatably connected to one side of the blade angle control link 313. The other side of the blade angle control link 313 is provided with a toggle rod 314, and the toggle rod 314 is slidably connected to one end of the fan mechanism 32. This design drives the plurality of louvers 311 to rotate at the same time through the blade angle control link 313.

[0035] For details, please refer to the examples Figure 7The fan mechanism 32 includes a fan fixing base 321, which is fixedly connected to the middle part of the ventilation duct 21, and a plurality of fan bodies 322 are embedded in the middle part of the fan fixing base 321. One end of the fan fixing base 321 is rotatably connected to the middle part of the louver control block 323, and one end of the louver control block 323 is slidably connected to the middle part of the toggle rod 314. The other end of the louver control block 323 is rotatably connected to one end of the louver control link 324, and the other end of the louver control link 324 is rotatably connected to one end of the link fixing block 325, and the other end of the link fixing block 325 is fixedly connected to one side of the movable ventilation plate mechanism 33. This design realizes active ventilation through multiple fan bodies 322, and the movable ventilation plate mechanism 33 drives the link fixing block 325 to move, and then drives the louver control link 324 to move, and then drives the louver control block 323 to rotate, thereby toggling the toggle rod 314.

[0036] For details, please refer to the examples Figure 8 The movable ventilation plate mechanism 33 includes a movable cover plate 331, which is arranged at one end of the ventilation duct 21, and one side of the movable cover plate 331 is fixedly connected to the other end of the connecting rod fixing block 325, and the other side of the movable cover plate 331 is fixedly connected to multiple cover plate movable units 332, and the two ends of the multiple cover plate movable units 332 are respectively fixedly connected to the other side of the upper part of the main door body 2. This design fixes and controls the opening and closing of the movable cover plate 331 through multiple cover plate movable units 332.

[0037] For details, please refer to the examples Figure 8 The movable cover unit 332 includes a cover handle 3321. Both ends of one side of the cover handle 3321 are fixedly connected to the other side of the movable cover 331. The two ends of the cover handle 3321 are respectively provided with an outer spring groove 33211. The bottoms of the multiple outer spring grooves 33211 are respectively provided with a spring body 3322. The middle of the multiple outer spring grooves 33211 are respectively slidably connected to one end of the telescopic rod 3323. One end of the multiple telescopic rods 3323 is respectively provided with an inner spring groove 33231. One end of the multiple spring bodies 3322 is respectively provided Inside the inner spring groove 33231, the other ends of the multiple telescopic rods 3323 are respectively rotated to connect to one end of the multiple movable rockers 3324, and the other ends of the multiple movable rockers 3324 are respectively rotated to connect to the middle of the cover fixing block 3325, and one end of the multiple cover fixing blocks 3325 are all fixedly connected to the other side of the upper part of the main door body 2. This design uses the multiple spring bodies 3322 in the cover handle 3321 to press against the multiple telescopic rods 3323, so that the cover movable unit 332 can press the movable cover 331, or keep the movable cover 331 pressed in an open state.

[0038] For details, please refer to the examples Figure 3 The express receiving mechanism 4 includes a box door panel 41, one side of the box door panel 41 is hingedly connected to one side of the express box 22, and the other side of the box door panel 41 is embedded with an electronic password lock 42. A lock hole is opened on one side of the electronic password lock 42 and the other side of the express box 22. This design locks or opens the box door panel 41 through the electronic password lock 42.

[0039] For details, please refer to the examples Figure 9 The shoe cabinet mechanism 5 includes a lower door leaf 51, the lower side hinge of the lower door leaf 51 is connected to the lower side of the shoe cabinet body 23, the upper side hinge of the lower door leaf 51 is connected to the lower side of the upper door leaf 52, and the two sides of the upper door leaf 52 are symmetrically fixedly connected to one end of the folding mechanism 53, and the other ends of multiple folding mechanisms 53 are respectively fixedly connected to the inner sides of the shoe cabinet body 23. This design realizes the movable function of the folding shoe cabinet door through the folding mechanism 53 in conjunction with the lower door leaf 51 and the upper door leaf 52.

[0040] For details, please refer to the examples Figure 9 The folding mechanism 53 includes a folding fixed block 531, one side of the folding fixed block 531 is fixedly connected to the inner side of the shoe cabinet body 23, the upper end of the folding fixed block 531 is rotatably connected to one end of the folding upper rocker arm 532, the lower end of the folding fixed block 531 is rotatably connected to one end of the folding lower rocker arm 533, the other end of the folding upper rocker arm 532 is rotatably connected to the upper end of the folding movable block 534, and the other end of the folding lower rocker arm 533 is rotatably connected to the folding movable block 53 4, the folding movable block 534 is fixedly connected to one side of the upper door leaf 52, one end of the folding upper rocker arm 532 is rotatably connected to one end of the folding hydraulic support rod 535, and the other end of the folding lower rocker arm 533 is rotatably connected to the other end of the folding hydraulic support rod 535. This design forms a parallelogram structure through the cooperation of the folding fixed block 531, the folding upper rocker arm 532, the folding lower rocker arm 533 and the folding movable block 534, and provides activity damping and rotation limit through the folding hydraulic support rod 535.

[0041] The operation principle is as follows: first, the multiple spring bodies 3322 in the cover handle 3321 are pressed against the multiple telescopic rods 3323. When the cover handle 3321 is pulled, the cover movable unit 332 can drive the movable cover 331 and keep the movable cover 331 in the open state, and the movable ventilation plate mechanism 33 drives the connecting rod fixing block 325 to move, and then drives the shutter control connecting rod 324 to move, and then drives the shutter control block 323 to rotate, thereby toggling the toggle rod 314, and then drives the blade angle control connecting rod 313 to move, and at the same time drives the multiple louvers 311 to rotate, opening the movable shutter group 31, and at the same time realizing active ventilation through the multiple fan bodies 322, and locking or opening the box door panel 41 through the electronic code lock 42, so that it is convenient for the courier to store the express in the express box 22 at home, and the folding mechanism 53 cooperates with the lower door leaf 51 and the upper door leaf 52 to realize the activity function of the foldable shoe cabinet door, thereby opening and closing the shoe cabinet box 23, which is convenient for storing shoes.

[0042] The above description of the present invention is exemplified in conjunction with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made using the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the scope of protection of the present invention.

Claims

1. A multifunctional ventilated entrance door for protecting privacy, comprising a door frame (1), characterized in that: One side of the inner portion of the door frame (1) is hingedly connected to the main door body (2); a ventilation mechanism (3) is provided on the upper portion of the main door body (2); a courier receiving mechanism (4) is provided on one side of the middle portion of the main door body (2); and a plurality of shoe cabinet mechanisms (5) are provided on the other side of the lower portion of the main door body (2); The ventilation mechanism (3) includes a movable louver group (31), both sides of the movable louver group (31) are rotatably connected to the inner sides of the ventilation duct (21), one end of the movable louver group (31) is slidably connected to one end of a fan mechanism (32), the other end of the fan mechanism (32) is fixedly connected to a movable ventilation plate mechanism (33), and both ends of the movable ventilation plate mechanism (33) are fixedly connected to the other side of the upper part of the main door body (2); The movable ventilation plate mechanism (33) includes a movable cover plate (331), the movable cover plate (331) is provided at one end of the ventilation duct (21), one side of the movable cover plate (331) is fixedly connected to the other end of the connecting rod fixed block (325), the other side of the movable cover plate (331) is fixedly connected to a plurality of movable cover plate units (332), and both ends of the plurality of movable cover plate units (332) are respectively fixedly connected to the other side of the upper portion of the main door body (2); The cover movable unit (332) includes a cover handle (3321), both ends of one side of the cover handle (3321) are fixedly connected to the other side of the movable cover (331), and both ends of the cover handle (3321) are respectively provided with an outer spring groove (33211), and the bottoms of the plurality of outer spring grooves (33211) are respectively provided with a spring body (3322), and the middle parts of the plurality of outer spring grooves (33211) are respectively slidably connected to one end of the telescopic rod (3323), and the plurality of telescopic rods (3323) are respectively provided with a spring body (3322). 23) are respectively provided with an inner spring groove (33231), one end of the plurality of spring bodies (3322) are respectively arranged inside the inner spring groove (33231), the other ends of the plurality of telescopic rods (3323) are respectively rotatably connected to one end of the plurality of movable rockers (3324), the other ends of the plurality of movable rockers (3324) are respectively rotatably connected to the middle of the cover plate fixing block (3325), and one end of the plurality of cover plate fixing blocks (3325) are all fixedly connected to the other side of the upper part of the main door body (2).

2. The multifunctional ventilated entrance door for protecting privacy according to claim 1, characterized in that: A ventilation duct (21) is provided on the upper part of the main door body (2), the ventilation duct (21) is bent, and a ventilation mechanism (3) is provided inside the ventilation duct (21). An express box (22) is provided on one side of the middle part of the main door body (2), and an express receiving mechanism (4) is provided on one side of the express box (22). A shoe cabinet body (23) is provided on the other side of the lower part of the main door body (2), the shoe cabinet body (23) is multi-layered, and a plurality of shoe cabinet mechanisms (5) are provided on one side of the shoe cabinet body (23).

3. The privacy-protecting multifunctional ventilation entrance door according to claim 1, characterized in that: The movable louver group (31) includes a plurality of louver blades (311), and the cross-sections of the plurality of louver blades (311) are arranged in an L-shaped manner. The two ends of the plurality of louver blades (311) are respectively rotatably connected to the inner two sides of the ventilation duct (21). One end of the plurality of louver blades (311) is respectively provided with a blade angle control block (312), and one end of the plurality of blade angle control blocks (312) is rotatably connected to one side of a blade angle control connecting rod (313). The other side of the blade angle control connecting rod (313) is provided with a toggle rod (314), and the toggle rod (314) is slidably connected to one end of the fan mechanism (32).

4. The privacy-protecting multifunctional ventilation entrance door according to claim 3, characterized in that: The fan mechanism (32) includes a fan fixing base (321), the fan fixing base (321) is fixedly connected to the middle of the ventilation duct (21), a plurality of fan bodies (322) are embedded in the middle of the fan fixing base (321), one end of the fan fixing base (321) is rotatably connected to the middle of the shutter control block (323), one end of the shutter control block (323) is slidably connected to the middle of the toggle rod (314), the other end of the shutter control block (323) is rotatably connected to one end of the shutter control link (324), the other end of the shutter control link (324) is rotatably connected to one end of the link fixing block (325), and the other end of the link fixing block (325) is fixedly connected to one side of the movable ventilation plate mechanism (33).

5. The privacy-protecting multifunctional ventilation entrance door according to claim 2, characterized in that: The express receiving mechanism (4) comprises a box door panel (41), one side of the box door panel (41) is hingedly connected to one side of the express box (22), and the other side of the box door panel (41) is embedded with an electronic password lock (42), and a lock hole is provided inside one side of the electronic password lock (42) and the other side of the express box (22).

6. The privacy-protecting multifunctional ventilation entrance door according to claim 2, characterized in that: The shoe cabinet mechanism (5) comprises a lower door leaf (51), the lower side hinge of the lower door leaf (51) is connected to the lower side of the shoe cabinet body (23), the upper side hinge of the lower door leaf (51) is connected to the lower side of the upper door leaf (52), the two sides of the upper door leaf (52) are symmetrically fixedly connected to one end of the folding mechanism (53), and the other ends of multiple folding mechanisms (53) are respectively fixedly connected to the inner sides of the shoe cabinet body (23).

7. The privacy-protecting multifunctional ventilation entrance door according to claim 6, characterized in that: The folding mechanism (53) comprises a folding fixed block (531), one side of the folding fixed block (531) is fixedly connected to the inner side of the shoe cabinet body (23), the upper end of the folding fixed block (531) is rotatably connected to one end of a folding upper rocker arm (532), the lower end of the folding fixed block (531) is rotatably connected to one end of a folding lower rocker arm (533), the other end of the folding upper rocker arm (532) is rotatably connected to the upper end of a folding movable block (534), the other end of the folding lower rocker arm (533) is rotatably connected to the lower end of the folding movable block (534), the folding movable block (534) is fixedly connected to one side of the upper door leaf (52), one end of the folding upper rocker arm (532) is rotatably connected to one end of a folding hydraulic support rod (535), and the other end of the folding lower rocker arm (533) is rotatably connected to the other end of the folding hydraulic support rod (535).

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