Folding security screen door for balcony
By designing a rotating structure and lubrication system in the folding security screen door, the problem of inability to fix the screen door angle and abnormal hinge noise is solved, and flexible adjustment of the screen door and low noise use are achieved.
Patent Information
- Application Number
- CN202420338167.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-22
- Publication Date
- 2025-02-25
- Estimated Expiration
- 2034-02-22
AI Technical Summary
Existing folding security screen doors cannot be fixed when adjusting the angle of the screen door, and the hinge will produce abnormal noise after long-term use.
A folding security screen door for balcony is designed. By installing a rotating structure between the screen doors, including a fixed sleeve, a rotating sleeve, a fixed shaft and a threaded plate, the angle of the screen door can be fixed and lubricated into the fixed shaft. Oil to reduce frictional noise.
The screen door is adjusted and fixed at any angle, avoiding the problem of the screen door being unable to be positioned during use, and at the same time, the problem of abnormal noise on the hinge is eliminated through lubrication.
Smart Images

Figure CN222526167U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a screen door, in particular to a folding security screen door for a balcony, belonging to the technical field of folding security screen doors. Background Art
[0002] The folding security screen door has a unique structure and can be folded from three to multiple times at will. It is compatible with various types of glass doors and windows, and is anti-theft and anti-mosquito. It has two-in-one functions and meets the dual needs of security and fire protection. The folding security screen door is composed of a door frame, a screen door and a hinge.
[0003] When the hinges are used to rotate and adjust the screen doors, the angle between the two screen doors cannot be fixed, so the screen doors can only be fully unfolded or folded together, which makes it inconvenient to position and open the screen doors. Moreover, when the hinges are used to rotate and adjust the screen doors, the hinges will produce abnormal noises due to friction after long-term use. Utility Model Content
[0004] The purpose of the utility model is to provide a folding security screen door for a balcony in order to solve the above-mentioned problem. The screen door can be adjusted and fixed at any folding angle, and the rotating and adjusting parts can be lubricated to prevent abnormal noise when rotating.
[0005] The utility model achieves the above-mentioned purpose through the following technical scheme: a folding security screen door for a balcony, comprising a door frame, a plurality of screen doors are slidably connected in the door frame, the plurality of screen doors are rotatably connected to each other, a rotating structure is installed between two adjacent screen doors, the rotating structure comprises a fixed sleeve, one of the screen doors is fixedly connected to a fixed sleeve, the other screen door is fixedly connected to a rotating sleeve, the fixed sleeve is fixedly connected to a fixed shaft, the fixed shaft and the rotating sleeve are plugged together, a through hole is provided on the fixed shaft, a threaded plate is slidably connected in the fixed sleeve, a positioning rod is fixedly connected to the top of the threaded plate, and the positioning rod and the rotating sleeve are plugged together.
[0006] Preferably, a plurality of the through holes are provided in a ring array relationship and a linear distribution relationship, and the plurality of the through holes are distributed in a staggered manner.
[0007] Preferably, the cross-section of the top end of the positioning rod is an arc-shaped structure, and a plurality of the positioning rods are arranged in a ring array.
[0008] Preferably, a rotating shaft is rotatably connected inside the fixed sleeve, a screw rod is fixedly connected to the rotating shaft, the screw rod and the threaded plate are threadedly connected, and a rotating ring is fixedly connected to the side end of the rotating shaft.
[0009] Preferably, the rotating ring is provided with grooves, and a plurality of the grooves are provided in a ring array.
[0010] Preferably, a sealing structure is installed on the fixed shaft, and the sealing structure includes a threaded sleeve. The fixed shaft is threadedly connected with the threaded sleeve, and the threaded sleeve is fixedly connected with a positioning block. The positioning block is plugged into the fixed shaft.
[0011] Preferably, a rubber plug is detachably connected to the positioning block, and the rubber plug is plugged into the fixed shaft.
[0012] Preferably, a mounting block is fixedly connected to the rubber plug, and the mounting block is plugged into the positioning block.
[0013] Preferably, a limiting groove is provided on the mounting block, a limiting block is provided in the threaded sleeve, and the limiting groove and the limiting block are engaged with each other.
[0014] Preferably, the cross section of the limiting groove is an arc-shaped structure, and the cross section of the limiting block is an arc-shaped structure.
[0015] The beneficial effect of the utility model is that when the screen door is used, the door frame is first fixed at the position of use, and then a plurality of screen doors are slidably installed on the door frame, and two screen doors are rotatably connected through a fixed shaft and a rotating sleeve fixed on the fixed sleeve, so when the screen door is rotated to the fixed position, the position of the threaded plate is adjusted upward, and when the positioning rod and the rotating sleeve are plugged in, the positions of the fixed sleeve and the rotating sleeve can be fixed, so that the angle between the two screen doors can be fixed, and lubricating oil is injected into the fixed shaft, so that the lubricating oil can be injected into the fixed shaft through the through hole to prevent abnormal noise caused by friction between the fixed shaft and the rotating sleeve, so that when the rotation angle of the screen door is fixed, the fixed shaft and the rotating sleeve can also be lubricated. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0017] Figure 2 for Figure 1 The enlarged structure diagram of part A shown;
[0018] Figure 3 This is a schematic diagram of the connection structure of the fixed sleeve and the fixed shaft of the utility model;
[0019] Figure 4 It is a schematic diagram of the connection structure of the rotating sleeve and the fixed shaft of the utility model;
[0020] Figure 5 for Figure 4 The enlarged structural diagram of part B is shown;
[0021] Figure 6 It is a schematic diagram of the connection structure of the threaded sleeve and the positioning block of the utility model.
[0022] In the figure: 1. door frame; 2. screen door; 3. rotating structure; 301. fixed sleeve; 302. rotating sleeve; 303. fixed shaft; 304. through hole; 305. threaded plate; 306. positioning rod; 307. screw rod; 308. rotating shaft; 309. rotating ring; 310. groove; 4. sealing structure; 401. threaded sleeve; 402. positioning block; 403. rubber plug; 404. mounting block; 405. limiting groove; 406. limiting block. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] See also Figure 1-6 As shown, a folding security screen door for a balcony comprises a door frame 1, wherein a plurality of screen doors 2 are slidably connected in the door frame 1, wherein the plurality of screen doors 2 are rotatably connected to each other, a rotating structure 3 is installed between two adjacent screen doors 2, wherein the rotating structure 3 comprises a fixed sleeve 301, wherein a fixed sleeve 301 is fixedly connected to one of the screen doors 2, and a rotating sleeve 302 is fixedly connected to the other screen door 2, a fixed shaft 303 is fixedly connected to the fixed sleeve 301, wherein the fixed shaft 303 and the rotating sleeve 302 are plugged together, a through hole 304 is provided in the fixed shaft 303, a threaded plate 305 is slidably connected in the fixed sleeve 301, a positioning rod 306 is fixedly connected to the top of the threaded plate 305, and the positioning rod 306 and the rotating sleeve 302 are plugged together.
[0025] As a technical optimization solution of the utility model, the through holes 304 are provided in a plurality in a circular array relationship and a linear distribution relationship, and the plurality of through holes 304 are distributed in a staggered manner, so as to better lubricate the fixed shaft 303 and the rotating sleeve 302 .
[0026] As a technical optimization solution of the present invention, the cross-section of the top end of the positioning rod 306 is an arc-shaped structure, and a plurality of the positioning rods 306 are arranged in a ring array, so as to better limit and fix the fixed sleeve 301 and the rotating sleeve 302.
[0027] As a technical optimization solution of the utility model, a rotating shaft 308 is rotatably connected inside the fixed sleeve 301, a screw rod 307 is fixedly connected to the rotating shaft 308, the screw rod 307 and the threaded plate 305 are threadedly connected, and a rotating ring 309 is fixedly connected to the side end of the rotating shaft 308. By rotating the rotating ring 309, the rotating shaft 308 can be driven to rotate, thereby driving the screw rod 307 to rotate. The threaded connection between the screw rod 307 and the threaded plate 305 can drive the threaded plate 305 to be adjusted up and down, thereby driving the positioning rod 306 to be adjusted upward.
[0028] As a technical optimization solution of the utility model, the rotating ring 309 is provided with grooves 310, and a plurality of the grooves 310 are provided in a ring array relationship. The plurality of grooves 310 provided on the rotating ring 309 facilitates the rotation of the rotating ring 309.
[0029] As a technical optimization scheme of the utility model, a sealing structure 4 is installed on the fixed shaft 303, and the sealing structure 4 includes a threaded sleeve 401. The fixed shaft 303 is threadedly connected with the threaded sleeve 401, and a positioning block 402 is fixedly connected to the threaded sleeve 401. The positioning block 402 and the fixed shaft 303 are plugged in, and the threaded sleeve 401 is threadedly installed on the top of the fixed shaft 303. Therefore, by plugging the positioning block 402 and the fixed shaft 303, the top of the fixed shaft 303 can be fixed.
[0030] As a technical optimization solution of the utility model, the positioning block 402 is detachably connected with a rubber plug 403, and the rubber plug 403 is plugged into the fixed shaft 303. The fixed shaft 303 can be sealed by the rubber plug 403 detachably connected to the positioning block 402.
[0031] As a technical optimization solution of the utility model, a mounting block 404 is fixedly connected to the rubber plug 403, and the mounting block 404 is plugged into the positioning block 402. By plugging the mounting block 404 into the positioning block 402, the rubber plug 403 can be positioned.
[0032] As a technical optimization solution of the utility model, a limiting groove 405 is provided on the mounting block 404, and a limiting block 406 is provided in the threaded sleeve 401. The limiting groove 405 and the limiting block 406 are engaged with each other. The cross-section of the limiting groove 405 is an arc-shaped structure, and the cross-section of the limiting block 406 is an arc-shaped structure. The rubber plug 403 can be fixed by engaging the limiting groove 405 and the limiting block 406.
[0033] When the utility model is in use, when using the screen door 2, the door frame 1 is first fixed at the position of use, and then the multiple screen doors 2 are slidably installed on the door frame 1, and the two screen doors 2 are rotatably connected through the fixed shaft 303 fixed on the fixed sleeve 301 and the rotating sleeve 302. Therefore, when the screen door 2 is rotated to the fixed position, the position of the threaded plate 305 is adjusted upward. When the positioning rod 306 and the rotating sleeve 302 are plugged in, the positions of the fixed sleeve 301 and the rotating sleeve 302 can be fixed, so that the angle between the two screen doors 2 can be fixed, and lubricating oil can be injected into the fixed shaft 303. Therefore, the lubricating oil can be injected into the fixed shaft 303 through the through hole 304 to prevent the fixed shaft 303 and the rotating sleeve 302 from rubbing and generating abnormal noise. Therefore, when the rotation angle of the screen door 2 is fixed, the fixed shaft 303 and the rotating sleeve 302 can also be lubricated. The rotating ring 309 can drive the rotating shaft 308 to rotate, and thus can drive the screw rod 307 to rotate. The screw rod 307 and the threaded plate 305 are threadedly connected to each other, so that the threaded plate 305 can be adjusted up and down, thereby driving the positioning rod 306 to adjust upward. The plurality of grooves 310 provided on the rotating ring 309 facilitate the rotation of the rotating ring 309. After the lubricating oil is injected into the fixed shaft 303, the threaded sleeve 401 is threadedly installed on the top of the fixed shaft 303. Therefore, the top of the fixed shaft 303 can be fixed by plugging the positioning block 402 and the fixed shaft 303. The fixed shaft 303 can be sealed by the rubber plug 403 detachably connected to the positioning block 402. The rubber plug 403 can be positioned by plugging the mounting block 404 and the positioning block 402. The rubber plug 403 can be fixed by engaging the limiting groove 405 and the limiting block 406.
[0034] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.
[0035] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A folding security screen door for a balcony, comprising a door frame (1), wherein a plurality of screen doors (2) are slidably connected inside the door frame (1), and the plurality of screen doors (2) are rotatably connected to each other, characterized in that: A rotating structure (3) is installed between two adjacent screen doors (2), and the rotating structure (3) comprises a fixed sleeve (301), one of the screen doors (2) is fixedly connected with a fixed sleeve (301), and the other screen door (2) is fixedly connected with a rotating sleeve (302), the fixed sleeve (301) is fixedly connected with a fixed shaft (303), the fixed shaft (303) and the rotating sleeve (302) are plugged together, the fixed shaft (303) is provided with a through hole (304), a threaded plate (305) is slidably connected inside the fixed sleeve (301), a positioning rod (306) is fixedly connected to the top of the threaded plate (305), and the positioning rod (306) and the rotating sleeve (302) are plugged together.
2. The folding security screen door for balcony according to claim 1, characterized in that: A plurality of through holes (304) are provided in a ring array relationship and a linear distribution relationship, and the plurality of through holes (304) are distributed in a staggered manner.
3. The folding security screen door for balcony according to claim 1, characterized in that: The top cross-section of the positioning rod (306) is in an arc-shaped structure, and a plurality of the positioning rods (306) are arranged in a ring array.
4. The folding security screen door for balcony according to claim 1, characterized in that: A rotating shaft (308) is rotatably connected inside the fixed sleeve (301), a screw rod (307) is fixedly connected to the rotating shaft (308), the screw rod (307) and the threaded plate (305) are threadedly connected, and a rotating ring (309) is fixedly connected to the side end of the rotating shaft (308).
5. The folding security screen door for balcony according to claim 4, characterized in that: The rotating ring (309) is provided with a groove (310), and a plurality of the grooves (310) are provided in a ring array.
6. The folding security screen door for balcony according to claim 1, characterized in that: A sealing structure (4) is installed on the fixed shaft (303), and the sealing structure (4) comprises a threaded sleeve (401). The threaded sleeve (401) is threadedly connected to the fixed shaft (303), and a positioning block (402) is fixedly connected to the threaded sleeve (401). The positioning block (402) and the fixed shaft (303) are plugged together.
7. The folding security screen door for balcony according to claim 6, characterized in that: The positioning block (402) is detachably connected to a rubber plug (403), and the rubber plug (403) is plugged into the fixed shaft (303).
8. The folding security screen door for balcony according to claim 7, characterized in that: The rubber stopper (403) is fixedly connected with a mounting block (404), and the mounting block (404) is plugged into the positioning block (402).
9. The folding security screen door for balcony according to claim 8, characterized in that: The mounting block (404) is provided with a limiting groove (405), the threaded sleeve (401) is provided with a limiting block (406), and the limiting groove (405) and the limiting block (406) are engaged with each other.
10. The folding security screen door for balcony according to claim 9, characterized in that: The cross section of the limiting groove (405) is an arc-shaped structure, and the cross section of the limiting block (406) is an arc-shaped structure.