Sequential closing device for double doors
The sequential closing device for double doors addresses the manual sequencing and feedback issues by using a transmission mechanism with driving rods and torsion springs to automate and simplify the synchronized closing process.
Patent Information
- Application Number
- CN202323456490.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2024-12-27
- Estimated Expiration
- 2033-12-19
AI Technical Summary
Existing double door closing devices require manual sequencing based on door protrusions and lack feedback mechanisms, leading to complex structures and inconsistent closing sequences.
A sequential closing device with a transmission mechanism, including a mounting groove, driving rods, and a torsion spring system that ensures synchronized closing of double doors by using a limit block and resistance blocks to adjust door closure order.
Ensures automatic and synchronized closing of double doors based on the sequence of opening, reducing manual intervention and structural complexity.
Smart Images
Figure CN222253627U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of sequential closing, and in particular relates to a sequential closing device for a double door. Background Art
[0002] As a way of closing, double doors or double cabinet doors have a certain barrier effect. In a closed scene, one side of the double door is mostly a relatively raised structure, and the closing order of the double door is mostly manually identified during use. In existing devices, most of them are closed in order according to the raised structure on the side of the door, and different feedback cannot be obtained through different situations of the two doors when closing, or the structure for realizing sequential closing is relatively complicated, which is not conducive to use.
[0003] Therefore, the above-mentioned technical problems need to be solved. Utility Model Content
[0004] The utility model aims to provide a sequential closing device for double doors, so as to solve the problem that the doors are mostly closed manually in sequence according to protrusions on the door edges, and different feedback cannot be obtained through different conditions of the two doors when closing.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sequential closing device for a double door, comprising a mounting groove, a transmission mechanism movably mounted inside the mounting groove, a driving rod 1 rotatably mounted on one side of the mounting groove, one end of the transmission mechanism movably connected to the driving rod 1, a driving rod 2 rotatably mounted on the other side of the mounting groove, and the transmission mechanism is rotationally connected to the driving rod 1.
[0006] Preferably, the transmission mechanism includes a limit block, a compression spring, a connecting rod and a hinge rod, the limit block is slidably installed in the installation groove, a mounting rod is provided on the outer wall of one side of the limit block, one side of the compression spring is fixedly installed on one end of the mounting rod, a mounting block is provided at one end of the connecting rod, the other end of the compression spring is fixedly connected to the mounting block, a hinge interface is provided at one end of the connecting rod, and the hinge rod is rotatably connected to the hinge interface.
[0007] Preferably, a torsion spring is provided between the driving rod 1 and the driving rod 2 and the mounting groove, one end of the hinged rod is rotatably connected to the driving rod 2, and the driving rod 1 is rotatably mounted on one end of the connecting rod opposite to the mounting block.
[0008] Preferably, one end of the second driving rod is fixedly connected with a resistance rod, a resistance block is provided on the limit block, and the resistance rod is movably connected to the outer wall of the resistance block.
[0009] Preferably, outer walls on opposite sides of the limiting block are provided with grooves, a rotating block is rotatably installed in the groove, and the rotating block is rotatably connected to the installation groove.
[0010] Preferably, one end of the driving rod 1 and the driving rod 2 is provided with a bearing wheel, and the outer wall of the bearing wheel is fixedly connected with a buffer plastic ring.
[0011] Preferably, a fixing block is provided on the outer wall of one side of the mounting groove, and a fixing hole is provided on the mounting block.
[0012] The technical effects and advantages of the utility model are as follows: when in use, it is installed on the inner wall of the upper side of the opening of a box or cabinet through the fixing hole arranged on the fixing block, and the mounting groove is fixed on the inner wall of the cabinet or the box. The cabinet door on the left is connected to the bearing wheel arranged on one side of the driving rod, and the cabinet door on the right is connected to the bearing wheel arranged on one side of the driving rod. When the left cabinet door is closed, the limit block can be pulled to the left through the transmission mechanism and the resistance block moves accordingly. At this time, the right cabinet door can be closed, and when the driving rod rotates, the resistance rod and the resistance block are staggered, and the right cabinet door is closed; conversely, if the right cabinet door is closed first, the resistance rod will resist the resistance block to prevent the right cabinet door from closing, thereby ensuring that the double-open cabinet doors have the effect of closing the cabinet doors in sequence. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0014] Figure 2 It is a schematic diagram of the transmission mechanism structure of the utility model;
[0015] Figure 3 This is a schematic diagram of the rotating block structure of the utility model.
[0016] In the figure: 1. mounting groove; 2. transmission mechanism; 21. limit block; 22. compression spring; 23. connecting rod; 24. hinge rod; 3. driving rod 1; 4. driving rod 2; 5. mounting rod; 6. mounting block; 7. torsion spring; 8. resistance rod; 9. resistance block; 10. groove; 11. rotating block; 12. bearing wheel; 13. fixing block; 14. fixing hole; 15. buffer plastic ring. DETAILED DESCRIPTION
[0017] 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.
[0018] The utility model provides Figure 1-3 A sequential closing device for a double door shown in the figure comprises a mounting groove 1, a transmission mechanism 2 is movably mounted inside the mounting groove 1, a driving rod 3 is rotatably mounted on one side of the mounting groove 1, one end of the transmission mechanism 2 is movably connected to the driving rod 3, a driving rod 4 is rotatably mounted on the other side of the mounting groove 1, and the transmission mechanism 2 is rotatably connected to the driving rod 3. A fixing block 13 is arranged on the outer wall of one side of the mounting groove 1, and a fixing hole 14 is arranged on the mounting block 6. When in use, it is installed on the inner wall of the upper side of the opening of the box or cabinet through the fixing hole 14 set on the fixing block 13, and the mounting groove 1 is fixed on the inner wall of the cabinet or box. The cabinet door on the left is connected to the bearing wheel 12 set on one side of the driving rod 13, and the cabinet door on the right is connected to the bearing wheel 12 set on one side of the driving rod 24. When the left cabinet door is closed, the limit block 21 can be pulled to the left through the transmission mechanism 2, and the stop block 9 moves accordingly. At this time, the right cabinet door can be closed, the driving rod 13 rotates, the contact rod 8 and the stop block 9 are staggered, and the right cabinet door is closed; conversely, if the right cabinet door is closed first, the contact rod 8 will contact the stop block 9 to prevent the right cabinet door from closing.
[0019] Specifically, the transmission mechanism 2 includes a limit block 21, a compression spring 22, a connecting rod 23 and a hinged rod 24. The limit block 21 is slidably installed in the installation groove 1. A mounting rod 5 is provided on the outer wall of one side of the limit block 21. One side of the compression spring 22 is fixedly installed on one end of the mounting rod 5. A mounting block 6 is provided at one end of the connecting rod 23. The other end of the compression spring 22 is fixedly connected to the mounting block 6. A hinge port 25 is provided at one end of the connecting rod. The hinged rod 24 is rotatably connected to the hinge port 25. A torsion spring 7 is provided between the drive rod 1 3 and the drive rod 2 4 and the installation groove 1. One end of the hinged rod 24 is rotatably connected to the drive rod 2 4. The drive rod 1 3 is rotatably installed at one end of the connecting rod 23 relative to the mounting block 6. Please refer to the attached Figure 2As shown, the inner wall of the mounting groove 1 is provided with two mounting openings, one end of the driving rod 1 3 and the driving rod 2 4 are hinged with the mounting openings, and a torsion spring 7 is provided between the driving rod 1 3, the driving rod 2 4 and the mounting openings, one end of one torsion spring 7 is connected to the mounting groove 1, and the other end is connected to the driving rod 1 3, and one end of the other torsion spring 7 is connected to the inner wall of the mounting groove 1, and the other end is connected to the driving rod 2 4; when the cabinet door on the left side rotates to a certain extent, the outer wall on one side of the cabinet door on the left side will contact with one end of the driving rod 1 3 provided with the bearing wheel 12, and the cabinet door continues to rotate, and the driving rod 1 3 also rotates with it The hinge rod 24 is driven to rotate and the connecting rod 23 is driven to one side. The installation block 6 will compress the spring 22 and drive the limit block 21 to slide. The limit block 21 drives the limit block 21 to approach one side of the driving rod 3 through the rotation of the rotating block 11. The stop block 9 set on the limit block 21 will slide to one side of the resistance rod 8, and the resistance rod 8 set on the driving rod 3 will be staggered with the stop block 9. At this time, the right cabinet door is pushed. After the right cabinet door rotates to a certain angle, the outer wall of the right cabinet door touches the bearing wheel 12 set at one end of the driving rod 24 until the right cabinet door is aligned with the left cabinet door to complete the closing.
[0020] Specifically, one end of the driving rod 24 is fixedly connected to a resisting rod 8, and a resisting block 9 is provided on the limit block 21. The resisting rod 8 is movably connected to the outer wall of the resisting block 9. The outer walls of the limit block 21 on opposite sides are provided with grooves 10, and a rotating block 11 is rotatably installed in the groove 10, and the rotating block 11 is rotatably connected to the installation groove 1. Please refer to the attached Figure 2 As shown, when closing the left cabinet door, the driving rod 1 3 rotates to drive the connecting rod 23 to slide, and then pulls the limit block 21 to slide through the compression spring 22. When the limit block 21 slides, the rotating block 11 rotatably connected to the limit block 21 will rotate in the groove 10 to reduce the friction force, which is convenient for the movement of the limit block 21, so that the stop block 9 is away from the driving rod 2 4, so that the right cabinet door can be rotated and closed; if the cabinet door is opened, the right cabinet door will be opened first with the left cabinet door. When the left cabinet door is opened, it can drive the limit block 21 to move to the side close to the driving rod 2 4. When the right cabinet door is closed, the stop block 9 blocks the contact rod 8, so as to achieve the purpose of closing the left and right cabinet doors in sequence.
[0021] Specifically, one end of the driving rod 1 3 and the driving rod 2 4 is provided with a bearing wheel 12, and the outer wall of the bearing wheel 12 is fixedly connected with a buffer plastic ring 15. Figure 3 As shown, in actual use, by rotating the bearing wheel 12 installed at one end of the driving rod 1 3 and the driving rod 2 4, the cabinet door is connected to the driving rod 1 3 or the driving rod 2 4 after the cabinet door is rotated and closed by a predetermined angle. The rotating bearing wheel 12 can reduce the friction force during closing, and the buffer plastic ring 15 arranged on the outer wall of the bearing wheel 12 can play an anti-slip role to reduce the slipping of the bearing wheel 12 when the cabinet door is closed.
[0022] Finally, it should be noted that the above is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.
Claims
1. A sequential closing device for double doors, characterized in that: The invention comprises a mounting groove (1), a transmission mechanism (2) is movably mounted inside the mounting groove (1), a driving rod (3) is rotatably mounted on one side of the mounting groove (1), one end of the transmission mechanism (2) is movably connected to the driving rod (3), a driving rod (4) is rotatably mounted on the other side of the mounting groove (1), and the transmission mechanism (2) is rotatably connected to the driving rod (3).
2. A sequential closing device for double doors according to claim 1, characterized in that: The transmission mechanism (2) comprises a limit block (21), a compression spring (22), a connecting rod (23) and a hinge rod (24); the limit block (21) is slidably mounted in the mounting groove (1); a mounting rod (5) is arranged on the outer wall of one side of the limit block (21); one side of the compression spring (22) is fixedly mounted on one end of the mounting rod (5); a mounting block (6) is arranged at one end of the connecting rod (23); the other end of the compression spring (22) is fixedly connected to the mounting block (6); a hinge port (25) is arranged at one end of the connecting rod; and the hinge rod (24) is rotatably connected to the hinge port (25).
3. A sequential closing device for double doors according to claim 2, characterized in that: A torsion spring (7) is provided between the driving rod 1 (3) and the driving rod 2 (4) and the mounting groove (1); one end of the hinged rod (24) is rotatably connected to the driving rod 2 (4); and the driving rod 1 (3) is rotatably mounted on one end of the connecting rod (23) opposite to the mounting block (6).
4. A sequential closing device for double doors according to claim 2, characterized in that: One end of the second driving rod (4) is fixedly connected to a resisting rod (8), a resisting block (9) is arranged on the limit block (21), and the resisting rod (8) is movably connected to the outer wall of the resisting block (9).
5. A sequential closing device for double doors according to claim 2, characterized in that: The outer walls of the limiting block (21) on opposite sides are provided with grooves (10), a rotating block (11) is rotatably installed in the groove (10), and the rotating block (11) is rotatably connected to the installation groove (1).
6. A sequential closing device for double doors according to claim 1, characterized in that: One end of the driving rod 1 (3) and the driving rod 2 (4) is provided with a bearing wheel (12), and the outer wall of the bearing wheel (12) is fixedly connected with a buffer plastic ring (15).
7. A sequential closing device for double doors according to claim 2, characterized in that: A fixing block (13) is provided on the outer wall of one side of the installation groove (1), and a fixing hole (14) is provided on the installation block (6).