Bay window handrail capable of being hidden and bay window protection system

Abstract

The utility model relates to a bay window handrail capable of being hidden and a bay window protection system. The bay window handrail comprises a mounting unit, a first connecting unit, a second connecting unit, a first supporting unit, a second supporting unit, at least one third supporting unit and a locking unit. The mounting unit is arranged on the side part of the bay window; the first connecting unit is rotationally connected with the mounting unit; the second connecting unit is rotationally connected with the mounting unit; the first supporting unit is rotationally arranged at the first end of the first connecting unit; the second supporting unit is rotationally arranged at the second end of the first connecting unit; the third supporting unit is rotationally arranged in the middle of the first connecting unit; the locking unit is detachably connected with the second connecting unit. The bay window fixing handrail has the advantages that the first connecting unit and the second connecting unit which can rotate in the vertical direction are arranged, and the first supporting unit, the second supporting unit and the third supporting unit which can be overlapped are arranged between the first connecting unit and the second connecting unit, so that the problems that an existing bay window fixing handrail is inconvenient to use and the like are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to indoor decoration technical field especially, relate to a kind of hidden bay window rail and bay window protection system. BACKGROUND

[0002] In order to increase indoor area, most of the residential windows now adopt the form of bay window. Since the window sill of bay window is generally 0.5 meters to 0.6 meters from the ground, a protective rail needs to be set on the inner side of the bay window. However, the protective rail will affect the indoor appearance on the one hand, and occupy the use area of the bay window on the other hand, so the homeowner will often remove the integrated protective rail during decoration. The removal of the rail requires additional labor costs.

[0003] However, in the case of having pets or children at home, the bay window without protective rail has certain safety hazards, and it is time-consuming and laborious to reinstall the protective rail.

[0004] At present, there is no effective solution to the existing problems of inconvenient use of the bay window fixed rail in the related art. INVENTION CONTENTS

[0005] The utility model aims at the deficiencies in the prior art, and provides a kind of hidden bay window rail and bay window protection system to solve the inconvenient use of the existing bay window fixed rail in the related art.

[0006] To achieve the above object, the technical scheme adopted by the utility model is:

[0007] Firstly, a kind of hidden bay window rail is provided, comprising:

[0008] The installation unit is arranged on the side of the bay window.

[0009] The first connecting unit is movably arranged at the bottom of the bay window, and the end of the first connecting unit is rotatably connected with the installation unit.

[0010] The second connecting unit is movably arranged at the middle of the bay window, and the end of the second connecting unit is rotatably connected with the installation unit.

[0011] The first supporting unit is arranged on the first side of the first end of the first connecting unit, and is rotatably connected with the first end of the first connecting unit and the first end of the second connecting unit, respectively.

[0012] The second supporting unit is arranged on the second side of the second end of the first connecting unit, and is rotatably connected with the second end of the first connecting unit and the second end of the second connecting unit, respectively.

[0013] at least one third support unit, disposed between the first support unit and the second support unit, and rotatably connected with the middle part of the first connecting unit and the middle part of the second connecting unit, respectively;

[0014] a locking unit, disposed at the side of the bay window, and detachably connected with the bottom end of the second connecting unit, for locking the position of the second connecting unit;

[0015] in the state that the first connecting unit and the second connecting unit are both vertically disposed, the top end of the third support unit is located between the top end and the bottom end of the first support unit, and is disposed in close contact with the first support unit, and the top end of the second support unit is located between the top end and the bottom end of the third support unit, and is disposed in close contact with the third support unit.

[0016] In some embodiments, the mounting unit comprises:

[0017] a first mounting element, disposed at the side of the bay window, and rotatably connected with the end part of the first connecting unit;

[0018] a second mounting element, disposed at the side of the bay window, and located above the first mounting element, and rotatably connected with the end part of the second connecting unit.

[0019] In some embodiments, the first connecting unit comprises:

[0020] a first connecting element, movably disposed at the bottom of the bay window, and the end part of the first connecting element is rotatably connected with the mounting unit;

[0021] a first base element, disposed at the first side of the first end of the first connecting element, and rotatably connected with the bottom end of the first support unit;

[0022] a second base element, disposed at the second side of the second end of the first connecting element, and rotatably connected with the bottom end of the second support unit;

[0023] at least one third base element, disposed at the middle part of the first connecting element, and rotatably connected with the bottom end of the third support unit.

[0024] In some embodiments, the second connecting unit comprises:

[0025] a second connecting element, movably disposed at the middle part of the bay window, and the end part of the second connecting element is rotatably connected with the mounting unit;

[0026] a fourth base element disposed on a first side of a first end of the second connecting element and rotatably connected to a top end of the first support unit;

[0027] a fifth base element disposed on a second side of a second end of the second connecting element and rotatably connected to a top end of the second support unit;

[0028] at least a sixth base element disposed on a middle portion of the second connecting element and rotatably connected to a top end of the third support unit.

[0029] In some embodiments, the first support unit comprises:

[0030] a first support element disposed on a first side of a first end of the first connecting element;

[0031] a first rotating element disposed on a bottom end of the first support element and rotatably connected to the first connecting element;

[0032] a second rotating element disposed on a top end of the first support element and rotatably connected to the second connecting element.

[0033] In some embodiments, the second support unit comprises:

[0034] a second support element disposed on a second side of a second end of the first connecting element;

[0035] a third rotating element disposed on a bottom end of the second support element and rotatably connected to the first connecting element;

[0036] a fourth rotating element disposed on a top end of the second support element and rotatably connected to the second connecting element.

[0037] In some embodiments, the third support unit comprises:

[0038] a third support element disposed on a middle portion of the first connecting element;

[0039] a fifth rotating element disposed on a bottom end of the third support element and rotatably connected to the first connecting element;

[0040] a sixth rotating element disposed on a top end of the third support element and rotatably connected to the second connecting element.

[0041] In some embodiments, the locking unit comprises:

[0042] A first locking element is arranged on the side of the bay window;

[0043] A second locking element is detachably connected with the first locking element and the bottom end of the second connecting unit respectively, for locking the position of the second connecting unit.

[0044] In a second aspect, a hidden bay window guard system is provided, comprising:

[0045] At least one bay window railing according to the first aspect;

[0046] A decorative structure is arranged on the side of the bay window, for shielding the bay window railing.

[0047] The above technical scheme is adopted, compared with the prior art, and the following technical effects are achieved:

[0048] The bay window railing and the bay window guard system can be hidden by arranging the first connecting unit and the second connecting unit which can rotate in the vertical direction, and arranging the first supporting unit, the second supporting unit and the third supporting unit which can be overlapped, and can be stored in the side wall of the bay window without being removed when not in use, thereby solving the problem of inconvenient use of the existing bay window fixed railing. BRIEF DESCRIPTION OF DRAWINGS

[0049] Figure 1 is a schematic view of the bay window railing according to the embodiment of the utility model;

[0050] Figure 2 is a schematic view of the mounting unit according to the embodiment of the utility model;

[0051] Figure 3 is a schematic view of the first connecting unit according to the embodiment of the utility model;

[0052] Figure 4 is a schematic view of the second connecting unit according to the embodiment of the utility model;

[0053] Figure 5 is a schematic view of the first supporting unit according to the embodiment of the utility model;

[0054] Figure 6 is a schematic view of the second supporting unit according to the embodiment of the utility model;

[0055] Figure 7 is a schematic view of the third supporting unit according to the embodiment of the utility model;

[0056] Figure 8 is a schematic view of a locking unit according to an embodiment of the present application;

[0057] Figure 9 is a schematic view of a bay window protection system according to an embodiment of the present application.

[0058] The reference signs therein are: 100, bay window railing;

[0059] 110, mounting unit; 111, first mounting element; 112, second mounting element;

[0060] 120, first connecting unit; 121, first connecting element; 122, first base element; 123, second base element; 124, third base element;

[0061] 130, second connecting unit; 131, second connecting element; 132, fourth base element; 133, fifth base element; 134, sixth base element;

[0062] 140, first supporting unit; 141, first supporting element; 142, first rotating element; 143, second rotating element;

[0063] 150, second supporting unit; 151, second supporting element; 152, third rotating element; 153, fourth rotating element;

[0064] 160, third supporting unit; 161, third supporting element; 162, fifth rotating element; 163, sixth rotating element;

[0065] 170, locking unit; 171, first locking element; 172, second locking element;

[0066] 200, decorative structure. DETAILED DESCRIPTION

[0067] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0068] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.

[0069] The present application will be further described below with reference to the drawings and specific embodiments, but is not limited by the present application.

[0070] Embodiment 1

[0071] The present embodiment relates to the bay window railing of the utility model.

[0072] As shown in Figure 1 a schematic embodiment of the utility model, a hidden bay window railing 100 includes a mounting unit 110, a first connecting unit 120, a second connecting unit 130, a first supporting unit 140, a second supporting unit 150, at least one third supporting unit 160 and a locking unit 170. Among them, the mounting unit 110 is arranged on the side of the bay window; the first connecting unit 120 is movably arranged on the bottom of the bay window, and the end of the first connecting unit 120 is rotatably connected with the mounting unit 110; the second connecting unit 130 is movably arranged on the middle of the bay window, and the end of the second connecting unit 130 is rotatably connected with the mounting unit 110; the first supporting unit 140 is arranged on the first side of the first end of the first connecting unit 120, and is rotatably connected with the first end of the first connecting unit 120 and the first end of the second connecting unit 130 respectively; the second supporting unit 150 is arranged on the second side of the second end of the first connecting unit 120, and is rotatably connected with the second end of the first connecting unit 120 and the second end of the second connecting unit 130 respectively; the third supporting unit 160 is arranged between the first supporting unit 140 and the second supporting unit 150, and is rotatably connected with the middle of the first connecting unit 120 and the middle of the second connecting unit 130 respectively; the locking unit 170 is arranged on the side of the bay window, and is detachably connected with the bottom end of the second connecting unit 130, for locking the position of the second connecting unit 130; in the state that the first connecting unit 120 and the second connecting unit 130 are both arranged vertically, the top end of the third supporting unit 160 is located between the top end and the bottom end of the first supporting unit 140, and is arranged in close contact with the first supporting unit 140, and the top end of the second supporting unit 150 is located between the top end and the bottom end of the third supporting unit 160, and is arranged in close contact with the third supporting unit 160.

[0073] In some embodiments, the number of third supporting units 160 is several. The several third supporting units 160 are arranged at intervals along the axial direction of the first connecting unit 120.

[0074] As shown in Figure 2 the mounting unit 110 includes a first mounting element 111 and a second mounting element 112. Among them, the first mounting element 111 is arranged on the side of the bay window, and is rotatably connected with the end of the first connecting unit 120; the second mounting element 112 is arranged on the side of the bay window, and is located above the first mounting element 111, and is rotatably connected with the end of the second connecting unit 130.

[0075] In some embodiments, the first mounting element 111 is fixed to the side of the bay window by a screw.

[0076] In some embodiments, the first mounting element 111 is a rotating base.

[0077] In some embodiments, the second mounting element 112 is fixed to the side of the bay window by a screw.

[0078] The second mounting element 112 is disposed in the same vertical plane as the first mounting element 111.

[0079] In some embodiments, the second mounting element 112 is a rotating base.

[0080] As shown in FIG. 1, the first mounting element 111 is fixed to the side of the bay window by a screw. Figure 3 The first connecting unit 120 includes a first connecting element 121, a first base element 122, a second base element 123, and at least one third base element 124. The first connecting element 121 is movably disposed at the bottom of the bay window, and the end of the first connecting element 121 is rotatably connected to the mounting unit 110. The first base element 122 is disposed on the first side of the first end of the first connecting element 121 and is rotatably connected to the bottom end of the first support unit 140. The second base element 123 is disposed on the second side of the second end of the first connecting element 121 and is rotatably connected to the bottom end of the second support unit 150. The third base element 124 is disposed on the middle of the first connecting element 121 and is rotatably connected to the bottom end of the third support unit 160.

[0081] Specifically, the end of the first connecting element 121 is rotatably connected to the first mounting element 111.

[0082] The size of the first connecting element 121 matches the size of the first mounting element 111. Generally, the length of the first connecting element 121 is less than the distance from the first mounting element 111 to the second mounting element 112.

[0083] In some embodiments, the first connecting element 121 includes a first connecting rod and a first connecting hole. The first connecting rod is movably disposed at the bottom of the bay window, and the first connecting rod is sequentially provided with the first base element 122, the third base element 124, and the second base element 123 from the first end to the second end. The first connecting hole is disposed at the end of the first connecting rod and is rotatably connected to the first mounting element 111.

[0084] In some embodiments, the first connecting element 121 is a first horizontal railing.

[0085] In some embodiments, the connection between the first base element 122 and the first connecting element 121 includes, but is not limited to, welding and screw connection.

[0086] The dimensions of the first base element 122 are matched with the dimensions of the first connecting element 121. Generally, the thickness of the first base element 122 is less than the thickness of the first connecting rod.

[0087] In some of these embodiments, the first base element 122 is a rotating base.

[0088] In some embodiments, the connection between the second base element 123 and the first connecting element 121 includes, but is not limited to, welding and screw connection.

[0089] The dimensions of the second base element 123 are matched with the dimensions of the first connecting element 121. Generally, the thickness of the second base element 123 is less than the thickness of the first connecting rod.

[0090] In some of these embodiments, the second base element 123 is a rotating base.

[0091] In some embodiments, the connection between the third base element 124 and the first connecting element 121 includes, but is not limited to, welding and screw connection.

[0092] The number of third base elements 124 matches the number of third support units 160. Generally, the number of third base elements 124 is equal to the number of third support units 160, that is, there is a one-to-one correspondence between the third base elements 124 and the third support units 160.

[0093] The dimensions of the third base element 124 are matched with the dimensions of the first connecting element 121. Generally, the thickness of the third base element 124 is less than the thickness of the first connecting rod.

[0094] In some of these embodiments, the third base element 124 is a rotating base.

[0095] like Figure 4 As shown, the second connecting unit 130 includes a second connecting element 131, a fourth base element 132, a fifth base element 133, and at least one sixth base element 134. The second connecting element 131 is movably disposed in the middle of the bay window, and its end is rotatably connected to the mounting unit 110. The fourth base element 132 is disposed on the first side of the first end of the second connecting element 131 and rotatably connected to the top of the first support unit 140. The fifth base element 133 is disposed on the second side of the second end of the second connecting element 131 and rotatably connected to the top of the second support unit 150. The sixth base element 134 is disposed in the middle of the second connecting element 131 and rotatably connected to the top of the third support unit 160.

[0096] Specifically, the end of the second connecting element 131 is rotatably connected to the second mounting element 112.

[0097] The dimensions of the second connecting element 131 are matched with the dimensions of the first connecting element 121. Generally, the length of the second connecting element 131 is equal to the length of the first connecting element 121.

[0098] In some embodiments, the second connecting element 131 includes a second connecting rod and a second connecting hole. The second connecting rod is movably disposed in the middle of the bay window, and a fourth base element 132, a fifth base element 133, and a sixth base element 134 are sequentially disposed on the second connecting rod from the first end to the second end; the second connecting hole is disposed at the end of the second connecting rod and is rotatably connected to the second mounting element 112.

[0099] In some of these embodiments, the second connecting element 131 is a second horizontal railing.

[0100] In some embodiments, the connection between the fourth base element 132 and the second connecting element 131 includes, but is not limited to, welding and screw connection.

[0101] In some of these embodiments, the fourth base element 132 is a rotating base.

[0102] In some embodiments, the connection between the fifth base element 133 and the second connecting element 131 includes, but is not limited to, welding and screw connection.

[0103] In some of these embodiments, the fifth base element 133 is a rotating base.

[0104] In some embodiments, the connection between the sixth base element 134 and the second connecting element 131 includes, but is not limited to, welding and screw connection.

[0105] The number of the sixth base element 134 matches the number of the third base element 124. Generally, the number of the sixth base element 134 is equal to the number of the third base element 124, that is, the sixth base element 134 corresponds one-to-one with the third base element 124.

[0106] In some of these embodiments, the sixth base element 134 is a rotating base.

[0107] like Figure 5 As shown, the first support unit 140 includes a first support element 141, a first rotating element 142, and a second rotating element 143. The first support element 141 is disposed on a first side of a first end of the first connecting unit 120; the first rotating element 142 is disposed at the bottom end of the first support element 141 and is rotatably connected to the first connecting unit 120; the second rotating element 143 is disposed at the top end of the first support element 141 and is rotatably connected to the second connecting unit 130.

[0108] Specifically, the first support element 141 is disposed on the first side of the first end of the first connecting element 121; the first rotating element 142 is rotatably connected to the first base element 122; and the second rotating element 143 is rotatably connected to the fourth base element 132.

[0109] The dimensions of the first support element 141 are matched with the dimensions of the first mounting element 111. Generally, the height of the first support element 141 is equal to the distance from the first mounting element 111 to the second mounting element 112.

[0110] The dimensions of the first support element 141 are matched with the dimensions of the first connecting element 121. Generally, the thickness of the first support element 141 is less than the thickness of the first connecting element 121.

[0111] In some of these embodiments, the first support element 141 is a longitudinal guardrail.

[0112] In some of these embodiments, the first rotating element 142 is disposed through the first supporting element 141.

[0113] In some of these embodiments, the first rotating element 142 is a rotating hole.

[0114] In some of these embodiments, the second rotating element 143 is disposed through the first supporting element 141.

[0115] In some of these embodiments, the second rotating element 143 is a rotating hole.

[0116] like Figure 6 As shown, the second support unit 150 includes a second support element 151, a third rotating element 152, and a fourth rotating element 153. The second support element 151 is disposed on the second side of the second end of the first connecting unit 120; the third rotating element 152 is disposed at the bottom end of the second support element 151 and is rotatably connected to the first connecting unit 120; the fourth rotating element 153 is disposed at the top end of the second support element 151 and is rotatably connected to the second connecting unit 130.

[0117] Specifically, the second support element 151 is disposed on the second side of the second end of the first connecting element 121; the third rotating element 152 is rotatably connected to the second base element 123; and the fourth rotating element 153 is rotatably connected to the fifth base element 133.

[0118] The dimensions of the second support element 151 are matched with the dimensions of the first support element 141. Generally, the height of the second support element 151 is equal to the height of the first support element 141.

[0119] The dimensions of the second support element 151 are matched with the dimensions of the first connecting element 121. Generally, the thickness of the second support element 151 is less than the thickness of the first connecting element 121.

[0120] In some of these embodiments, the second support element 151 is a longitudinal guardrail.

[0121] In some of these embodiments, the third rotating element 152 is disposed through the second support element 151.

[0122] In some of these embodiments, the third rotating element 152 is a rotating hole.

[0123] In some of these embodiments, the fourth rotating element 153 is disposed through the second support element 151.

[0124] In some of these embodiments, the fourth rotating element 153 is a rotating hole.

[0125] like Figure 7 As shown, the third support unit 160 includes a third support element 161, a fifth rotating element 162, and a sixth rotating element 163. The third support element 161 is located in the middle of the first connecting unit 120; the fifth rotating element 162 is located at the bottom end of the third support element 161 and is rotatably connected to the first connecting unit 120; the sixth rotating element 163 is located at the top end of the third support element 161 and is rotatably connected to the second connecting unit 130.

[0126] The dimensions of the third support element 161 are matched with those of the first support element 141. Generally, the height of the third support element 161 is equal to the height of the first support element 141, and the thickness of the third support element 161 is less than the distance between the first support element 141 and the second support element 151.

[0127] In some of these embodiments, the third support element 161 is a longitudinal guardrail.

[0128] In some of these embodiments, the fifth rotating element 162 is disposed through the third supporting element 161.

[0129] In some of these embodiments, the fifth rotating element 162 is a rotating hole.

[0130] In some of these embodiments, the sixth rotating element 163 is disposed through the third support element 161.

[0131] In some of these embodiments, the sixth rotating element 163 is a rotating hole.

[0132] like Figure 8As shown, the locking unit 170 comprises a first locking element 171 and a second locking element 172.

[0133] In some embodiments, the first locking element 171 is fixed to the side wall of the bay window by a screw.

[0134] In some embodiments, the first locking element 171 is a metal elastic buckle.

[0135] In some embodiments, the second locking element 172 is rotatably connected to the bay window.

[0136] In some embodiments, the second locking element 172 has a U-shaped cross section.

[0137] In some embodiments, the second locking element 172 is a metal buckle lock.

[0138] The use method of the utility model is as follows:

[0139] (I) Hidden state

[0140] At this time, the first connecting element 121 and the second connecting element 131 are kept in a vertical arrangement state and are in close contact with the side wall of the bay window.

[0141] The first supporting element 141, the second supporting element 151, and the third supporting element 161 are arranged in a superimposed manner.

[0142] The second locking element 172 is clamped with the second connecting element 131.

[0143] (II) Protection state

[0144] The second locking element 172 is rotated to separate it from the second connecting element 131, and the second connecting element 131 is rotated downward along the vertical direction under the action of gravity.

[0145] At this time, the first connecting element 121 and the second connecting element 131 are kept in a horizontal arrangement state, and the first supporting element 141, the second supporting element 151, and the third supporting element 161 are arranged at intervals.

[0146] The utility model has the advantages that by arranging the first connecting unit and the second connecting unit which can rotate along the vertical direction, and arranging the first supporting unit, the second supporting unit, and the third supporting unit which can be superimposed between the first connecting unit and the second connecting unit, the fixed rail of the bay window can be stored in the side wall of the bay window without the need for removal and without the need for using a protective rail, thereby solving the problem of inconvenient use of the existing bay window fixed rail.

[0147] Embodiment 2

[0148] This embodiment relates to the bay window protection system of the utility model.

[0149] As Figure 9 shown, a hidden bay window protection system, comprising at least one bay window railing 100 and decorative structure 200 as described in embodiment 1. Wherein, decorative structure 200 is arranged on the side of the bay window, for shielding bay window railing 100.

[0150] The size of decorative structure 200 matches the size of the first connecting element 121. Generally, the thickness of decorative structure 200 is not less than the thickness of the first connecting element 121.

[0151] In some embodiments, decorative structure 200 includes but is not limited to lightweight gypsum board, wooden decorative plate, etc.

[0152] The advantages of the utility model are basically the same as those of embodiment 1, which will not be repeated here.

[0153] The above is only the preferred embodiment of the utility model, not the implementation and protection range of the utility model, for those skilled in the art, it should be realized that the equivalent replacement and obvious changes obtained by the application of the utility model specification and drawing contents should be included in the protection range of the utility model.

Claims

1. A retractable bay window railing, characterized in that, include: The installation unit is located on the side of the bay window; A first connecting unit is movably disposed at the bottom of the bay window, and the end of the first connecting unit is rotatably connected to the mounting unit; The second connecting unit is movably disposed in the middle of the bay window, and the end of the second connecting unit is rotatably connected to the mounting unit; A first support unit is disposed on a first side of a first end of a first connecting unit and is rotatably connected to the first end of the first connecting unit and the first end of the second connecting unit, respectively. The second support unit is disposed on the second side of the second end of the first connecting unit and is rotatably connected to the second end of the first connecting unit and the second end of the second connecting unit, respectively. At least one third support unit is provided, which is disposed between the first support unit and the second support unit and is rotatably connected to the middle part of the first connecting unit and the middle part of the second connecting unit, respectively. A locking unit is provided on the side of the bay window and is detachably connected to the bottom end of the second connecting unit to lock the position of the second connecting unit. With both the first connecting unit and the second connecting unit vertically arranged, the top end of the third supporting unit is located between the top and bottom ends of the first supporting unit and is attached to the first supporting unit. The top end of the second supporting unit is located between the top and bottom ends of the third supporting unit and is attached to the third supporting unit.

2. The bay window railing according to claim 1, characterized in that, The installation unit includes: The first mounting element is disposed on the side of the bay window and is rotatably connected to the end of the first connecting unit; The second mounting element is disposed on the side of the bay window and above the first mounting element, and is rotatably connected to the end of the second connecting unit.

3. The bay window railing according to claim 1, characterized in that, The first connection unit includes: A first connecting element is movably disposed at the bottom of the bay window, and the end of the first connecting element is rotatably connected to the mounting unit; The first base element is disposed on the first side of the first end of the first connecting element and is rotatably connected to the bottom end of the first support unit. The second base element is disposed on the second side of the second end of the first connecting element and is rotatably connected to the bottom end of the second support unit; At least one third base element is disposed in the middle of the first connecting element and is rotatably connected to the bottom end of the third support unit.

4. The bay window railing according to claim 1, characterized in that, The second connection unit includes: The second connecting element is movably disposed in the middle of the bay window, and the end of the second connecting element is rotatably connected to the mounting unit; A fourth base element is disposed on the first side of the first end of the second connecting element and is rotatably connected to the top end of the first support unit; The fifth base element is disposed on the second side of the second end of the second connecting element and is rotatably connected to the top end of the second support unit; At least one sixth base element is disposed in the middle of the second connecting element and is rotatably connected to the top of the third support unit.

5. The bay window railing according to claim 1, characterized in that, The first support unit includes: A first support element is disposed on a first side of a first end of the first connecting unit; The first rotating element is disposed at the bottom end of the first supporting element and is rotatably connected to the first connecting unit; The second rotating element is disposed at the top of the first supporting element and is rotatably connected to the second connecting unit.

6. The bay window railing according to claim 1, characterized in that, The second support unit includes: The second support element is disposed on the second side of the second end of the first connecting unit; The third rotating element is disposed at the bottom end of the second supporting element and is rotatably connected to the first connecting unit; A fourth rotating element is disposed at the top of the second support element and is rotatably connected to the second connecting unit.

7. The bay window railing according to claim 1, characterized in that, The third support unit includes: A third support element is disposed in the middle of the first connecting unit; The fifth rotating element is disposed at the bottom end of the third supporting element and is rotatably connected to the first connecting unit; A sixth rotating element is disposed at the top of the third supporting element and is rotatably connected to the second connecting unit.

8. The bay window railing according to claim 1, characterized in that, The locking unit includes: A first locking element is disposed on the side of the bay window; The second locking element is detachably connected to the bottom end of the first locking element and the second connecting unit, respectively, and is used to lock the position of the second connecting unit.

9. A concealable bay window protection system, characterized in that, include: At least one bay window railing as described in any one of claims 1 to 8; A decorative structure is provided on the side of the bay window to conceal the bay window railing.

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