A type of anti-jamming Roman ring

Abstract

This utility model relates to the technical field of curtain installation equipment, and in particular to an anti-jamming Roman ring. Installed at an opening on the upper side of the curtain body, it includes a first cover and a second cover, located on opposite sides of the curtain opening. Both the first and second covers have opposing through holes. A first mounting cylinder is fixed to the side of the first cover closest to the second cover, located at the through hole of the first cover. The first mounting cylinder is connected and fixed to the second cover. A rotatable pin is provided inside the first mounting cylinder, coinciding with a diameter line of the first mounting cylinder. A sleeve is fixed to the end of the pin furthest from the first mounting cylinder. The sleeve is fitted onto a Roman rod. The first and second covers can rotate on the sleeve via the first mounting cylinder, thereby reducing the frequency of jamming when pulling the curtain and improving the user experience.

Description

Technical Field

[0001] This utility model relates to the field of curtain installation equipment technology, and in particular to an anti-jamming Roman ring. Background Technology

[0002] A Roman rod is a horizontal rod used to hang curtains. Roman rings are curtain loops specifically designed to be used with Roman rods. Multiple Roman rings are evenly distributed at multiple openings on the upper side of the curtain, allowing the curtain to hang on the Roman rod and form even and beautiful pleats.

[0003] Existing Roman rings consist of two opposing rings that snap together to cover the upper opening of the curtain. The Roman ring is circular with a circular cross-section on the inside, and it is fitted onto the outside of the Roman rod. The inner diameter of the Roman ring is larger than the outer diameter of the Roman rod. When pulling, this type of Roman ring is prone to jamming due to the small angle between the Roman ring and the Roman rod, making it impossible to pull the curtain. Summary of the Invention

[0004] To address the problem of existing Roman rings easily getting stuck when pulled due to the small angle between the Roman ring and the Roman rod, this invention proposes an anti-jamming Roman ring. A sleeve is fitted onto the Roman rod, and the first and second covers can rotate on the sleeve via a first mounting sleeve, thereby reducing the frequency of jamming when pulling the curtains and improving the user experience.

[0005] To achieve the above objectives, the technical solution of this utility model is as follows: An anti-jamming Roman ring is installed at an opening on the upper side of a curtain body. It includes a first cover and a second cover, located on opposite sides of the curtain opening. Both covers have corresponding through holes. A first mounting cylinder is fixed to the side of the first cover closest to the second cover, positioned at the through hole of the first cover. The first mounting cylinder is connected and fixed to the second cover. A rotatable pin is located inside the first mounting cylinder, coinciding with a diameter line of the first mounting cylinder. A sleeve is fixed to the end of the pin furthest from the first mounting cylinder. When the sleeve rotates, its outer surfaces at both ends contact the inner surfaces of the first mounting cylinder. The sleeve is rotatably positioned within the first mounting cylinder via the pin. When the sleeve rotates at a certain angle, its end contacts the inner surface of the first mounting cylinder, thus limiting the rotation angle of the sleeve and preventing jamming when the curtain is pulled if the rotation angle is too large.

[0006] Preferably, the first cover is annular.

[0007] Preferably, the second cover is annular.

[0008] Preferably, an annular retaining edge is fixed to the side of the first cover near the second cover, and the retaining edge is located on the outer side of the first cover. The retaining edge and the side of the second cover clamp the curtain tightly, improving the installation stability of the Roman ring on the curtain.

[0009] Preferably, a fixing hole is provided on the inner side of the first mounting cylinder along its radial direction, and the pin is rotatably disposed in the fixing hole.

[0010] Preferably, a second mounting cylinder is fixed at the through hole of the second cover, and the first mounting cylinder extends into the second mounting cylinder and is threadedly connected to the second mounting cylinder.

[0011] Preferably, a through groove is formed radially on the inner side of the first mounting cylinder, with one end extending to the end of the first mounting cylinder away from the first cover. The pin is placed in the through groove, and a washer is provided at the end of the first mounting cylinder away from the first cover. An insert block is fixed on the washer and inserted into the through groove. This allows the sleeve to be installed on the first mounting cylinder more conveniently.

[0012] Preferably, a first annular portion is fixed to the inner side of the second mounting cylinder, and the first annular portion is located at the end of the second mounting cylinder away from the first cover body and is used to limit the gasket.

[0013] Preferably, a square mounting groove is provided on the outer side of the sleeve, and a pin block is fixed at the end of the pin shaft away from the first mounting cylinder. The pin block extends into the mounting groove and matches the shape of the mounting groove.

[0014] Preferably, an annular rubber ring is fixed to the inner side of the sleeve. This reduces noise generated when the curtains are pulled.

[0015] The beneficial effects of this utility model through the above technical solution are as follows: 1. In this utility model, after the first mounting cylinder on the first cover is connected and fixed to the second cover, the first cover and the second cover are fixed at the opening on the upper side of the curtain body, thus completing the installation of the Roman ring on the curtain body. The sleeve set on the first mounting cylinder by the pin is sleeved on the Roman rod. When the outer side of the sleeve slides on the Roman rod, its outer side will contact the inner side of the first mounting cylinder, avoiding contact between the first mounting cylinder and the outer side of the Roman rod, thereby reducing the frequency of jamming when pulling the curtain.

[0016] 2. In this utility model, a through groove is provided on the first mounting cylinder along its radial direction. The pin is placed directly in the through groove. The up and down movement of the pin is limited by the insertion of the washer block on the first mounting cylinder into the through groove, thereby improving the installation accuracy of the pin. At the same time, a square mounting groove is provided on the outer side of the sleeve. A pin block matching the mounting groove is fixed at the end of the pin away from the first mounting cylinder, thereby realizing the detachable connection between the pin and the sleeve, reducing the difficulty of installing the end of the pin and improving the user experience of the Roman ring. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of an anti-jamming Roman ring fitted onto a Roman rod according to the present invention; Figure 2 This is a schematic diagram of the structure of an anti-jamming Roman ring according to the present invention; Figure 3 This utility model relates to a structural explosion prevention method for anti-jamming Roman rings. Figure 1 ; Figure 4 This utility model relates to a structural explosion prevention method for anti-jamming Roman rings. Figure 2 ; Figure 5 This is a front view of an anti-jamming Roman ring according to the present invention, wherein a through groove is formed on the first mounting cylinder; Figure 6 This utility model relates to an anti-jamming Roman ring. Figure 5 The structural cross-sectional view at point AA.

[0018] In the attached diagram, the following numbers are used: 1 is the first cover, 2 is the second cover, 3 is the through hole, 4 is the first mounting cylinder, 5 is the pin, 6 is the sleeve, 7 is the pressure edge, 8 is the fixing hole, 9 is the second mounting cylinder, 10 is the through groove, 11 is the washer, 12 is the insert block, 13 is the first annular part, 14 is the mounting groove, 15 is the pin block, 16 is the rubber ring, and 20 is the Roman rod. Detailed Implementation

[0019] The present invention will be further described below with reference to the accompanying drawings and specific embodiments: like Figures 1-6 As shown, this embodiment provides an anti-jamming Roman ring, which is installed at an opening on the upper side of the curtain body. In this embodiment, multiple openings are made on the same horizontal line on the upper side of the curtain body, and Roman rings need to be installed at each of these openings. Then, the curtain with the Roman rings installed is hung on a Roman rod 20 fixed to the upper wall of the windowsill. During this process, the Roman ring is simply slipped onto the Roman rod 20 (see reference). Figure 1 ).

[0020] refer to Figures 2-4 The Roman ring includes a first cover 1 and a second cover 2, both of which are circular. The first cover 1 and the second cover 2 are located on both sides of the curtain opening. The first cover 1 and the second cover 2 are provided with corresponding through holes 3, which are located at the center of the first cover 1 and the second cover 2. Furthermore, a first mounting cylinder 4 is fixed on the side of the first cover 1 near the second cover 2. The first mounting cylinder 4 is located at the through hole 3 of the first cover 1. The first mounting cylinder 4 is a hollow cylinder with its end extending out of the upper opening of the curtain body. The first mounting cylinder 4 is connected and fixed to the second cover 2. In this embodiment, the second mounting cylinder 9 is fixed at the through hole 3 of the second cover 2. The first mounting cylinder 4 extends into the second mounting cylinder 9 and is threadedly connected to the second mounting cylinder 9. Specifically, the outer side of the first mounting cylinder 4 is provided with external threads, and the inner side of the second mounting cylinder 9 is provided with internal threads. By tightening the threads, it can adapt to curtain fabrics of different thicknesses and reduce the drilling accuracy.

[0021] Meanwhile, a ring-shaped pressure edge 7 is fixed on the side of the first cover 1 near the second cover 2. The pressure edge 7 is located on the outside of the first cover 1. During the threaded connection between the first mounting cylinder 4 and the second mounting cylinder 9, the side of the pressure edge 7 near the second cover 2 is tightened to clamp the curtain body, thereby ensuring the stability of the Roman ring on the curtain body.

[0022] Furthermore, the first mounting cylinder 4 is provided with a rotatable pin 5, which coincides with one radial line of the first mounting cylinder 4. In this embodiment, there are two pins 5, which are symmetrically arranged on one radial line of the first mounting cylinder 4. Specifically, two symmetrical fixing holes 8 are opened on the inner side of the first mounting cylinder 4 along its radial direction, and the pins 5 are rotatably arranged in the fixing holes 8. In another installation method of the pin 5, a through groove 10 is provided radially on the inner side of the first mounting cylinder 4. The longitudinal section of the through groove 10 is U-shaped. One end of the through groove 10 extends to the end of the first mounting cylinder 4 away from the first cover 1. The pin 5 is placed in the through groove 10. A washer 11 is provided at the end of the first mounting cylinder 4 away from the first cover 1. An insert 12 is fixed on the washer 11. The insert 12 is inserted into the through groove 10. The insert 12 limits the up and down movement of the pin 5, thereby reducing the installation difficulty of the pin 5.

[0023] To ensure the stability of washer 11 on the first mounting sleeve 4, refer to Figure 6 A first annular portion 13 is fixed inside the second mounting cylinder 9. The first annular portion 13 is located at the end of the second mounting cylinder 9 away from the first cover 1 and limits the gasket 11.

[0024] A sleeve 6 is fixed to the end of the pin 5 furthest from the first mounting sleeve 4. The pin 5 and sleeve 6 can be integrally formed or made separately. The two pins 5 and sleeves 6 must rotate synchronously. (Refer to...) Figure 3 Two square mounting grooves 14 are symmetrically opened on the outer side of the sleeve 6. A pin block 15 is fixed at the end of the pin shaft 5 away from the first mounting cylinder 4. The pin block 15 extends into the mounting groove 14 and matches the shape of the mounting groove 14.

[0025] In this embodiment, when the sleeve 6 rotates, the outer surfaces of its upper and lower ends contact the inner surfaces of the first mounting sleeve 4, and the rotation of the sleeve 6 is restricted by the first mounting sleeve 4. Figure 6When the sleeve 6 rotates with the pin 5, its two outer sides at opposite corners will contact the inner side of the first mounting tube 4, preventing the Roman rod 20 from contacting the inner side of the first mounting tube 4 or the second mounting tube 9, thereby reducing the frequency of jamming when pulling the curtain.

[0026] Further, refer to Figure 6 The sleeve 6 has two annular rubber rings 16 fixed inside, located at the upper and lower ends of the sleeve 6, which serve to reduce noise when the curtain is pulled.

[0027] When using this device, firstly, multiple openings are made on the same horizontal line on the upper side of the curtain body. Then, Roman rings are installed at each opening. The installation process for one of them is as follows: the sleeve 6 and the two pins 5 are integrally formed. The two pins 5 are placed into the two fixing holes 8 of the first mounting cylinder 4. At this time, the sleeve 6 can rotate along one radial line of the first mounting cylinder 4. The first cover 1 and the second cover 2 are placed on both sides of the curtain opening. Then, the first mounting cylinder 4 on the first cover 1 extends into the second mounting cylinder 9 on the second cover 2 and is threadedly connected to the second mounting cylinder 9. Then, the Roman rings are installed on the curtain body in sequence according to this process. Then, the Roman rings are sequentially placed on the Roman rod. At this time, the curtain body can form uniform and beautiful pleats after being gathered. Pulling it will also be smoother and less noisy.

[0028] The embodiments described above are merely preferred embodiments of this utility model and are not intended to limit the scope of implementation of this utility model. Therefore, all equivalent changes or modifications made to the structure, features and principles described in the patent claims of this utility model should be included within the scope of the patent application of this utility model.

Claims

1. A type of anti-jamming Roman ring, installed at an opening on the upper side of the curtain body, characterized in that, The device includes a first cover (1) and a second cover (2), which are located on both sides of the curtain opening. Both the first cover (1) and the second cover (2) have corresponding through holes (3). A first mounting cylinder (4) is fixed on the side of the first cover (1) near the second cover (2). The first mounting cylinder (4) is located at the through hole (3) of the first cover (1). The first mounting cylinder (4) is connected and fixed to the second cover (2). A rotatable pin (5) is provided inside the first mounting cylinder (4). The pin (5) coincides with one of the diameters of the first mounting cylinder (4). A sleeve (6) is fixed at the end of the pin (5) away from the first mounting cylinder (4). When the sleeve (6) rotates, the outer surfaces of its upper and lower ends contact the inner surfaces of the first mounting cylinder (4).

2. The anti-jamming Roman ring according to claim 1, characterized in that, The first cover (1) is circular.

3. The anti-jamming Roman ring according to claim 1, characterized in that, The second cover (2) is circular.

4. The anti-jamming Roman ring according to claim 1, characterized in that, The first cover (1) has an annular pressing edge (7) fixed on the side near the second cover (2), and the pressing edge (7) is located on the outside of the first cover (1).

5. The anti-jamming Roman ring according to claim 1, characterized in that, The first mounting cylinder (4) has a fixing hole (8) on its inner side along its radial direction, and the pin (5) is rotatably disposed in the fixing hole (8).

6. The anti-jamming Roman ring according to claim 1, characterized in that, A second mounting cylinder (9) is fixed at the through hole (3) of the second cover (2), and the first mounting cylinder (4) extends into the second mounting cylinder (9) and is threadedly connected to the second mounting cylinder (9).

7. The anti-jamming Roman ring according to claim 6, characterized in that, The first mounting cylinder (4) has a through groove (10) radially opened on its inner side. One end of the through groove (10) is opened to the end of the first mounting cylinder (4) away from the first cover (1). The pin (5) is placed in the through groove (10). The end of the first mounting cylinder (4) away from the first cover (1) is provided with a washer (11). An insert (12) is fixed on the washer (11). The insert (12) is inserted into the through groove (10).

8. The anti-jamming Roman ring according to claim 7, characterized in that, The inner side of the second mounting cylinder (9) is fixed with a first annular part (13), which is located at the end of the second mounting cylinder (9) away from the first cover (1) and is used to limit the gasket (11).

9. The anti-jamming Roman ring according to claim 1, characterized in that, The outer side of the sleeve (6) is provided with a square mounting groove (14). The end of the pin (5) away from the first mounting cylinder (4) is fixed with a pin block (15). The pin block (15) extends into the mounting groove (14) and matches the shape of the mounting groove (14).

10. The anti-jamming Roman ring according to claim 1, characterized in that, An annular rubber ring (16) is fixed inside the sleeve (6).

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