Roller shutter lower rod convenient for wrapping cloth
By designing a roller shutter lower rod with a first and second housing with movable connections, the problem of complex cloth wrapping steps and poor tightness in the prior art is solved, and the cloth wrapping effect with simple operation, low cost and high tightness is achieved, and the user experience is improved.
Patent Information
- Application Number
- CN202422016151.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-06-13
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The existing rolling shutter under the rolling shutter is troublesome, difficult, and high production cost. It cannot guarantee good tightness when wrapping the cloth, which is easy to loosen and affects the user experience.
A roller shutter lower rod including a first housing and a second housing that is movably connected is designed. The outer side of the body is covered with a cloth body, and one end and the other end of the cloth body are fixedly connected to the first and second boards respectively. A clamping groove is provided on the housing to clamp the board, and the cloth body is in a tight state by rotating the housing.
It realizes simplification of cloth wrapping operation, reduces cloth wrapping difficulty and production cost, ensures good packing tightness, avoids loose cloth wrapping, and improves user experience.
Smart Images

Figure CN222976738U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of curtains, and more specifically, to a lower rod of a rolling curtain facilitating cloth wrapping. Background Art
[0002] A rolling curtain is a type of window decoration product. The curtain cloth is processed by resin and rolled into a drum shape, and it is raised and lowered by means of a drawstring or a chain, which is simple and convenient to operate. A rolling curtain includes a curtain cloth and a lower rod (or called a lower cross beam) fixed to the lower end of the curtain cloth. For some rolling curtain products on the market, in order to meet market demands, the lower rod is wrapped with cloth. However, for some existing lower rods of rolling curtains, the cloth wrapping steps are troublesome, the cloth wrapping is difficult, the production cost is high, a good wrapping tightness cannot be guaranteed during cloth wrapping, the wrapped cloth is prone to looseness, affecting the use experience. Summary of the Utility Model
[0003] To solve at least one of the above problems, the utility model provides a lower rod of a rolling curtain facilitating cloth wrapping, including: a lower rod body adapted to be fixed to the lower end of the curtain cloth, with a cloth body wrapped around the outer side of the lower rod body. The lower rod body includes a first shell and a second shell which are movably connected. One end of the cloth body is fixedly connected with a first clamping plate, and the other end of the cloth body is fixedly connected with a second clamping plate. A first clamping groove for clamping the first clamping plate is arranged on the first shell, and a second clamping groove for clamping the second clamping plate is arranged on the second shell. The lower rod of the rolling curtain facilitating cloth wrapping in the utility model has simple cloth wrapping operation, low cloth wrapping difficulty, low production cost, can ensure good wrapping tightness during cloth wrapping, the wrapped cloth is not prone to looseness, and has a good use experience.
[0004] Optionally, the first shell and the second shell are hinged and hinged at a hinge part.
[0005] Optionally, the hinge part includes a hinge shaft and a hinge groove corresponding to the hinge shaft. The hinge shaft is arranged on the first shell, and the hinge groove is arranged on the second shell.
[0006] Optionally, the first shell includes a first plate body and a first connecting plate distributed at a first included angle, and the second shell includes a second plate body and a second connecting plate distributed at a second included angle. One end of the first connecting plate far from the first plate body is hinged to one end of the second connecting plate far from the second plate body.
[0007] Optionally, the first connecting plate is integrally connected to one end of the first plate body, and the first clamping groove is arranged at one end of the first plate body far from the first connecting plate; the second connecting plate is integrally connected to one end of the second plate body, and the second clamping groove is arranged at one end of the second plate body far from the second connecting plate. Both the first included angle and the second included angle are right angles.
[0008] Optionally, a limiting mechanism for limiting during rotation is provided between the first housing and the second housing. The limiting mechanism includes a first abutting portion and a second abutting portion for abutting and limiting against the first abutting portion. The first abutting portion is provided on the first housing, and the second abutting portion is provided on the second housing.
[0009] Optionally, a first buckle is provided on one side of the first housing close to the second housing, and a second buckle is provided on one side of the second housing close to the first housing. The first buckle corresponds to the second buckle.
[0010] Optionally, the lower rod body further includes a side end cover. The side end cover is provided with a side convex block. A slot for inserting the side convex block is formed between the first housing and the second housing. The side convex block is provided with a positioning rib for positioning against the inner wall of the slot.
[0011] Optionally, when the first buckle and the second buckle are buckled, the first buckle is placed below the second buckle. The length of the first buckle is greater than the length of the second buckle. The lower side of the first buckle abuts against the upper side of the side convex block.
[0012] Optionally, a third clamping plate is fixedly connected to the lower end of the curtain cloth. The third clamping plate is inclined. An arc portion for abutting against the curtain cloth is provided on the second housing. A third clamping groove for clamping the third clamping plate is formed between the first housing and the second housing.
[0013] Compared with the prior art, the utility model is a rolling curtain lower rod facilitating cloth wrapping, with simple cloth wrapping operation, low cloth wrapping difficulty, low production cost, good wrapping tightness during cloth wrapping, not easy to loosen, and good use experience; after the first clamping plate and the second clamping plate are loaded, the first housing and the second housing are rotated and closed, making the cloth body in a tightly wrapped state, with convenient operation; when the first housing and the second housing are closed, the first abutting portion abuts against the second abutting portion for limiting, avoiding structural damage due to excessive rotation, and reliable use; when the first housing and the second housing are rotated and closed, the first buckle and the second buckle are buckled together, making the first housing and the second housing not easily opened by mistake, with a stable structure. At this time, the step of tightly wrapping the cloth body is completed, with simple operation; the side convex block is provided with a positioning rib for positioning against the inner wall of the slot, making the side end cover firmly assembled; a third clamping groove for clamping the third clamping plate is formed between the first housing and the second housing. After clamping, the curtain cloth is not easily separated from the lower rod body in the vertical direction. Then, the side end covers at both ends are loaded, making the curtain cloth not easily separated from the lower rod body in the horizontal direction, with a reliable structure. Description of the Drawings
[0014] Figure 1Stereogram of the lower rod of the rolling curtain facilitating cloth wrapping according to the present utility model;
[0015] Figure 2 Structural schematic diagram of the slot part of the lower rod of the rolling curtain facilitating cloth wrapping according to the present utility model;
[0016] Figure 3 For Figure 2 Enlarged view of part C in
[0017] Figure 4 Structural schematic diagram of the lower rod of the rolling curtain facilitating cloth wrapping according to the present utility model when the first housing and the second housing are opened;
[0018] Figure 5 For Figure 4 Enlarged view of part D in
[0019] Figure 6 Side view of the lower rod of the rolling curtain facilitating cloth wrapping according to the present utility model when the first housing and the second housing are opened;
[0020] Figure 7 Structural schematic diagram of the first clamping plate part of the lower rod of the rolling curtain facilitating cloth wrapping according to the present utility model;
[0021] The corresponding component names of each reference numeral in the figure are: 1 is the curtain cloth, 2 is the lower rod body, 3 is the first housing, 31 is the first clamping groove, 32 is the first plate body, 33 is the first connecting plate, 34 is the first buckle, 35 is the first limiting protrusion, 36 is the second limiting protrusion, 331 is the first end, 4 is the second housing, 41 is the second clamping groove, 42 is the second plate body, 43 is the second connecting plate, 44 is the second buckle, 431 is the second end, 45 is the arc part, 5 is the cloth body, 51 is the first clamping plate, 52 is the second clamping plate, 6 is the hinge part, 61 is the hinge shaft, 62 is the hinge groove, 71 is the first abutting part, 72 is the second abutting part, 8 is the side end cover, 81 is the side convex block, 811 is the positioning rib, 812 is the first guiding inclined surface, 813 is the second guiding inclined surface, 82 is the slot, 9 is the third clamping plate, 901 is the third clamping groove, A is the first included angle, B is the second included angle. Detailed implementation manners
[0022] To make the above objects, features and advantages of the present utility model more obvious and understandable, the following detailed description of the specific embodiments of the present utility model is given with reference to the accompanying drawings.
[0023] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", etc. is based on the orientation or positional relationship during the normal use of the product.
[0024] The terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature.
[0025] Refer to Figures 1-7 , an embodiment of the present utility model provides a rolling curtain lower rod facilitating cloth wrapping, comprising: a lower rod body 2 adapted to be fixed to the lower end of a curtain cloth 1, with a cloth body 5 wrapped around the outer side of the lower rod body 2. The lower rod body 2 includes a first shell 3 and a second shell 4 which are movably connected. One end of the cloth body 5 is fixedly connected with a first clamping plate 51 by means of glue, ultrasonic welding, etc., and the other end of the cloth body 5 is fixedly connected with a second clamping plate 52 by means of glue, ultrasonic welding, etc. The first clamping plate 51, the second clamping plate 52 and the cloth body 5 are of the same length in the Y-axis direction. A first clamping groove 31 for clamping the first clamping plate 51 is provided on the first shell 3, and a second clamping groove 41 for clamping the second clamping plate 52 is provided on the second shell 4. Both the first clamping plate 51 and the second clamping plate 52 are made of rigid PVC material or other rigid materials. One end of the first clamping plate 51 and the cloth body 5 is laterally inserted into the first clamping groove 31, and the other end of the second clamping plate 52 and the cloth body 5 is laterally inserted into the second clamping groove 41. The rolling curtain lower rod of the present utility model facilitating cloth wrapping has simple cloth wrapping operation, low cloth wrapping difficulty, low production cost, can ensure good tightness during cloth wrapping, the wrapped cloth is not easy to become loose, and has a good user experience.
[0026] Refer to Figures 2-6, the first housing 3 and the second housing 4 are hingedly connected and hinged at the hinge portion 6. The first housing 3 and the second housing 4 have an open state and a closed state when rotating. In the open state, the cloth body 5 is loosely wrapped, and this state is also convenient for laterally loading the first clamping plate 51 and the second clamping plate 52. After the first clamping plate 51 and the second clamping plate 52 are loaded, the first housing 3 and the second housing 4 are rotated to close, so that the cloth body 5 is in a tightly wrapped state, and the operation is convenient. The hinge portion 6 includes a hinge shaft 61 and a hinge groove 62 corresponding to the hinge shaft 61. The hinge shaft 61 is provided on the first housing 3, and the hinge groove 62 is provided on the second housing 4. No additional accessories are required for hinging, the structure is simple, and the production cost is low. The positions of the hinge shaft 61 and the hinge groove 62 can be interchanged. The first housing 3 includes a first plate body 32 and a first connecting plate 33 distributed at a first angle A. The second housing 4 includes a second plate body 42 and a second connecting plate 43 distributed at a second angle B. One end of the first connecting plate 33 away from the first plate body 32 is hinged to one end of the second connecting plate 43 away from the second plate body 42. One end of the first connecting plate 33 close to the first plate body 32 is the first end 331, and one end of the second connecting plate 43 close to the second plate body 42 is the second end 431. When the first housing 3 and the second housing 4 rotate, the distance between the first end 331 and the second end 431 changes. During the closing process of the first housing 3 and the second housing 4, the distance between the first end 331 and the second end 431 becomes larger and larger, so that the cloth body 5 is wrapped more and more tightly. Until it is completely closed, the cloth body 5 is in a tightly wrapped state and is not easy to loosen.
[0027] Refer to Figures 4-6 , the first connecting plate 33 is integrally connected to one end of the first plate body 32, and the first clamping groove 31 is provided at the end of the first plate body 32 away from the first connecting plate 33. The number of parts is small and the structure is simpler. The second connecting plate 43 is integrally connected to one end of the second plate body 42, and the second clamping groove 41 is provided at the end of the second plate body 42 away from the second connecting plate 43. Both the first angle A and the second angle B are right angles, and the bottom of the first housing and the second housing after closing is a flat bottom surface, and the structure is more concise. A limiting mechanism for limiting during rotation is provided between the first housing 3 and the second housing 4. The limiting mechanism includes a first abutting portion 71 and a second abutting portion 72 for abutting and limiting with the first abutting portion 71. The first abutting portion 71 is provided on the first housing 3, and the second abutting portion 72 is provided on the second housing 4. When the first housing and the second housing are closed, the first abutting portion 71 abuts against the second abutting portion 72 for limiting, so as to avoid structural damage caused by excessive rotation, and the use is reliable.
[0028] Refer to Figure 2 and Figure 3, on one side of the first housing 3 close to the second housing 4, a first buckle 34 is provided. On one side of the second housing 4 close to the first housing 3, a second buckle 44 is provided. The first buckle 34 corresponds to the second buckle 44. When the first housing 3 and the second housing 4 are rotated and closed, the first buckle 34 is buckled with the second buckle 44, making it difficult for the first housing 3 and the second housing 4 to be accidentally opened, with a stable structure. At this time, the step of tightly wrapping the cloth body is completed, and the operation is simple.
[0029] Refer to Figures 1-3 , the lower rod body 2 further includes side end caps 8. There are two side end caps 8, which are respectively installed at both ends of the lower rod body 2. The side end cap 8 is provided with a side protrusion 81. A slot 82 for inserting the side protrusion 81 is formed between the first housing 3 and the second housing 4. The side protrusion 81 is provided with a positioning rib 811, and the positioning rib 811 is used to abut against the inner wall of the slot 82 for positioning, making the side end cap 8 firmly assembled; the side protrusion 81 is provided with a first guiding slope 812, and the positioning rib 811 is provided with a second guiding slope 813, which is convenient for the side end cap 8 to be laterally inserted into the slot 82 with a low assembly difficulty; when the first buckle 34 and the second buckle 44 are buckled, the first buckle 34 is placed below the second buckle 44. The length of the first buckle 34 in the X-axis direction is greater than the length of the second buckle 44 in the X-axis direction. The lower side of the first buckle 34 abuts against the upper side of the side protrusion 81; when the side end cap 8 is assembled, the side protrusion 81 abuts against the lower side of the first buckle 34, making it difficult for the first buckle 34 to be deformed or accidentally bounce out of the second buckle 44, with a reliable structure; the lower end of the curtain cloth 1 is fixedly connected with a third clamping plate 9 by means of glue, ultrasonic welding, etc. The third clamping plate 9 is inclined. The second housing 4 is provided with an arc portion 45 for abutting against the curtain cloth 1, so as to reduce the friction force at the contact portion between the arc portion 45 and the curtain cloth 1, facilitating the lateral insertion of the curtain cloth 1; the first housing 3 is provided with a first limiting protrusion 35 and a second limiting protrusion 36 for limiting one end of the third clamping plate 9, so as to maintain the inclined state of the third clamping plate 9; the third clamping plate 9 is made of hard PVC material or other hard materials. The third clamping plate 9 has the same length as the curtain cloth 1 in the Y-axis direction. A third clamping groove 901 for clamping the third clamping plate 9 is formed between the first housing 3 and the second housing 4. After clamping, it is difficult for the curtain cloth 1 to be disengaged from the lower rod body 2 in the vertical direction. Then, the side end caps 8 at both ends are installed, making it difficult for the curtain cloth 1 to be disengaged from the lower rod body 2 in the horizontal direction, with a reliable structure.
[0030] The lower rod of the rolling curtain of the utility model is convenient for wrapping cloth. The cloth wrapping operation is simple, the difficulty of cloth wrapping is small, the production cost is low, and good tightness can be ensured during cloth wrapping, and the wrapped cloth is not easy to become loose, providing a good use experience; when the first clamping plate and the second clamping plate are loaded, the first housing and the second housing are rotated and closed to make the cloth body in a tightened state, which is convenient to operate; when the first housing and the second housing are closed, the first abutting part abuts against the second abutting part for positioning to avoid structural damage caused by excessive rotation, and it is reliable to use; when the first housing and the second housing are rotated and closed, the first buckle and the second buckle are buckled together, making it not easy for the first housing and the second housing to be accidentally opened, and the structure is stable. At this time, the step of tightening the cloth body is completed, and the operation is simple; the side convex block is provided with a positioning rib, and the positioning rib is used to abut against the inner wall of the slot for positioning, making the side end cover assembled stably; a third clamping groove for clamping the third clamping plate is formed between the first housing and the second housing. After clamping, the curtain cloth is not easy to separate from the lower rod body in the vertical direction. Then, the side end covers at both ends are loaded, making the curtain cloth not easy to separate from the lower rod body in the horizontal direction, and the structure is reliable.
[0031] The above are only the preferred embodiments of the utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the utility model.
Claims
1. A roller blind lower rod convenient for wrapping cloth, characterized in that: include: A lower rod body (2) is suitable for being fixed to the lower end of a curtain cloth (1), the outer side of the lower rod body (2) is covered with a cloth body (5), the lower rod body (2) comprises a first shell (3) and a second shell (4) which are movably connected, one end of the cloth body (5) is fixedly connected with a first clamping plate (51), and the other end of the cloth body (5) is fixedly connected with a second clamping plate (52), the first shell (3) is provided with a first clamping groove (31) for clamping the first clamping plate (51), and the second shell (4) is provided with a second clamping groove (41) for clamping the second clamping plate (52).
2. The roller blind lower rod for easy cloth wrapping as claimed in claim 1, characterized in that: The first shell (3) and the second shell (4) are hingedly connected and hinged at a hinge portion (6).
3. The roller blind lower rod for easy cloth wrapping as claimed in claim 2, characterized in that: The hinge portion (6) comprises a hinge shaft (61) and a hinge groove (62) corresponding to the hinge shaft (61); the hinge shaft (61) is arranged on the first shell (3); and the hinge groove (62) is arranged on the second shell (4).
4. The roller blind lower rod for easy cloth wrapping as claimed in claim 1, characterized in that: The first shell (3) comprises a first plate body (32) and a first connecting plate (33) which are arranged at a first angle (A); the second shell (4) comprises a second plate body (42) and a second connecting plate (43) which are arranged at a second angle (B); an end of the first connecting plate (33) away from the first plate body (32) is hinged to an end of the second connecting plate (43) away from the second plate body (42).
5. The roller blind lower rod for easy cloth wrapping as claimed in claim 4, characterized in that: The first connecting plate (33) is integrally connected to one end of the first plate body (32), and the first clamping groove (31) is arranged at one end of the first plate body (32) away from the first connecting plate (33); the second connecting plate (43) is integrally connected to one end of the second plate body (42), and the second clamping groove (41) is arranged at one end of the second plate body (42) away from the second connecting plate (43), and the first angle (A) and the second angle (B) are both right angles.
6. The roller blind lower rod for easy cloth wrapping as claimed in claim 2, characterized in that: A limiting mechanism for limiting position during rotation is arranged between the first shell (3) and the second shell (4), the limiting mechanism comprising a first abutting portion (71) and a second abutting portion (72) for abutting against the first abutting portion (71) for limiting position, the first abutting portion (71) being arranged on the first shell (3), and the second abutting portion (72) being arranged on the second shell (4).
7. The roller blind lower rod for easy cloth wrapping as claimed in claim 1, characterized in that: A first buckle (34) is provided on a side of the first shell (3) close to the second shell (4), and a second buckle (44) is provided on a side of the second shell (4) close to the first shell (3), and the first buckle (34) corresponds to the second buckle (44).
8. The roller blind lower rod for easy cloth wrapping as claimed in claim 7, characterized in that: The lower rod body (2) further comprises a side end cover (8), the side end cover (8) being provided with a side protrusion (81), a slot (82) for inserting the side protrusion (81) being formed between the first shell (3) and the second shell (4), a positioning rib (811) being provided on the side protrusion (81), the positioning rib (811) being used to abut against the inner wall of the slot (82) for positioning.
9. The roller blind lower rod for easy cloth wrapping as claimed in claim 8, characterized in that: When the first buckle (34) and the second buckle (44) are buckled, the first buckle (34) is placed below the second buckle (44), the length of the first buckle (34) is greater than the length of the second buckle (44), and the lower side of the first buckle (34) abuts against the upper side of the side protrusion (81).
10. The roller blind lower rod for convenient cloth wrapping according to any one of claims 1 to 9, characterized in that: A third clamping plate (9) is fixedly connected to the lower end of the curtain (1); the third clamping plate (9) is arranged in an inclined manner; an arc-shaped portion (45) for abutting against the curtain (1) is arranged on the second shell (4); and a third clamping groove (901) for clamping the third clamping plate (9) is formed between the first shell (3) and the second shell (4).