Rotary lock structure
By using a rotary lock structure, combined with a locking structure, drive components, and docking components, the problem of insufficient security and strength in folding door lock structures is solved, achieving convenient locking and a high-strength locking effect, suitable for various folding door types.
Patent Information
- Application Number
- CN202520427896.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-12
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-03-12
AI Technical Summary
The existing lock structures for folding doors are inadequate in terms of security and overall strength; mechanical locks have poor security, while automatic locks have low strength.
It adopts a rotary lock structure, which combines vertical beams and door panels, and utilizes locking structure, drive components and docking components to achieve convenient locking and unlocking, and improves overall strength through drive shaft and adjustment components.
It achieves convenient operation and high overall strength while ensuring safety, and is suitable for different numbers of folding doors, making it flexible and widely applicable.
Smart Images

Figure CN223880938U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to lock technical field, concretely is a rotary lock structure. BACKGROUND
[0002] In the existing folding door, door leaves and vertical beams are connected to each other in sequence by hinges and other connecting members to form a whole, and are unfolded into a linear type for shielding use or are folded in half for opening, since each side folding door has a plurality of door leaves, the structure of the lock is particularly important when closing the door.
[0003] The lock structure of the folding door is an important guarantee for the safety and stability of the folding door, and the currently used lock structure has a mechanical lock: the mechanical lock is arranged on one side of two folding doors close to each other, which is the most common type of lock, has the advantages of simple structure, low price, easy maintenance, etc., but is relatively poor in safety;
[0004] There is also an automatic lock: the automatic lock is usually combined with the automatic system of the folding door, and the automatic locking and unlocking of the door are realized through a sensor or a controller, which improves the safety, but the overall strength is poor.
[0005] Therefore, in order to solve the above problems, a rotary lock structure is provided. CONTENT OF THE UTILITY MODEL
[0006] The utility model aims at providing a rotary lock structure, which is more convenient to control and has higher overall strength under the premise of ensuring safety, thereby solving the problems raised in the background technology.
[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a rotary lock structure, comprising a folding door, the folding door is composed of vertical beams and door leaves which are assembled in turn and alternately rotated, the folding doors are connected and locked through butt joint assemblies, the vertical beams are each provided with a second through groove, the door leaves adjacent to the two sides of the vertical beam are each provided with a first through groove, the aligned first through grooves and second through grooves are each provided with a locking structure, the adjacent locking structures in the same folding door are oppositely arranged by turning, one of the door leaves is provided with a driving assembly, and the door leaf is rotatably provided with a transmission shaft for connecting the locking structure, the driving assembly and the butt joint assembly.
[0008] Specifically, the locking structure comprises a first baffle in the first through groove and a second baffle in the second through groove, the first baffles are symmetrically arranged on the left and right sides of the second baffles, the first baffles are each provided with a connecting lug on the side close to each other at the bottom, the front ends of the second baffles are rotatably assembled with the connecting lugs respectively, the first baffles are each provided with a limiting groove on the side close to each other at the top, the rear ends of the second baffles are located in the limiting grooves respectively, and the first baffles are each fixedly assembled with the transmission shaft on the side away from each other.
[0009] Optionally, the driving assembly comprises a disc roller and a spring sheet, the disc roller is fixedly installed on the transmission shaft, the door leaf is provided with a third through slot for the disc roller to project out, one end of the disc roller is provided with two symmetrically arranged half-sphere holes, one end of the spring sheet is fixedly installed in the door leaf, the other end of the spring sheet is fixedly installed with a ball head block, and the ball head block is connected and assembled with one of the half-sphere holes.
[0010] Further, the disc roller is provided with two through holes, and the through holes are arranged in alignment with the half-sphere holes.
[0011] Optionally, the driving assembly comprises a remote control motor, the remote control motor is fixedly installed in the door leaf, and the output end of the remote control motor is connected with one end of the transmission shaft.
[0012] Specifically, the docking assembly comprises an L-shaped sheet body and a docking box, fourth through slots for accommodating the L-shaped sheet body and the docking box are respectively formed in the door leaves of the two sides of the folding door which are close to each other, the L-shaped sheet body is connected and assembled with the locking structure on one side through the transmission shaft, the docking box is connected and assembled with the locking structure on the other side through the transmission shaft, the docking box is provided with an L-shaped clamping groove, and the L-shaped sheet body is connected and assembled with the L-shaped clamping groove.
[0013] Specifically, the adjusting assembly is arranged between the first baffles.
[0014] Specifically, the adjusting assembly comprises a nut and a screw, one or both of the first baffles is provided with a threaded hole, the screw is screwed and installed in the threaded hole, and the nut for abutting against the first baffle is screwed and installed on the screw.
[0015] Specifically, the door leaf is rotationally assembled with the transmission shaft through a bearing.
[0016] Compared with the prior art, the folding door has the advantages that:
[0017] The driving assembly and the transmission shaft can be used to simultaneously turn all the locking structures and the docking assemblies in the folding door, so that the operation is convenient.
[0018] The locking structures and the docking assemblies can change the locking state by turning, and the structure is solid, durable and high in strength, so that the strength of the folding door when used for shielding can be ensured.
[0019] The folding door can be used in folding doors with different numbers of door leaves, and can also be used in combination with folding doors with different numbers of door leaves, so that the application is flexible and wide. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a structure schematic sectional view in the application from the top view;
[0021] Figure 2 is a structural schematic top view of the utility model after one side folding door is folded;
[0022] Figure 3 is a structural schematic top view of the utility model after one side folding door is folded;
[0023] Figure 4 is a structural schematic top view of the utility model adjusting assembly form two;
[0024] Figure 5 is a structural schematic sectional view of the utility model driving assembly form one.
[0025] In the drawing: 1. driving assembly, 11. remote control motor, 12. through hole, 13. elastic sheet, 14. disc roller, 15. hemisphere hole, 2. locking structure, 21. first baffle, 22. second baffle, 23. connecting lug, 24. limiting groove, 3. butt joint assembly, 31. L-shaped sheet body, 32. L-shaped clamping groove, 33. butt joint box, 4. adjusting assembly, 41. nut, 42. screw, 5. vertical beam, 6. door leaf, 7. bearing, 8. transmission shaft. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0027] Please refer to Figure 1 , Figure 2 The utility model provides a rotary lock structure, including folding door, folding door is combined by vertical beam 5 and door leaf 6 who assembles alternately in turn rotation, vertical beam 5 and door leaf 6 are connected and assembled through the rotation node of upper and lower ends, the door leaf 6 of vertical beam 5 both sides can be unfolded into a character type and is used to shield, or is folded and is stored, the material of door leaf generally adopts high-quality aluminum alloy or metal sandwich board (core material is polyurethane or polystyrene foam board), has light, firm, corrosion -resistant etc. Characteristics, can adopt manual or electric folding folding door, all can be adapted to use this lock, above folding door's form is prior art, here does not too much repeat.
[0028] Folding door is connected and locked through butt joint assembly 3, butt joint assembly 3 is used to connect adjacent folding door, makes multiple folding door form complete whole, vertical beam 5 all is set up with second through slot, the door leaf 6 on vertical beam 5 both sides adjacent all is set up with first through slot, and the first through slot and the second through slot in alignment all are provided with locking structure 2, locking structure 2 is used to limit the attitude of door leaf 6, to realize the locking of folding door.
[0029] The folding swing directions of the adjacent door leaves 6 are different, so the adjacent locking structures 2 in the same folding door are oppositely arranged (180°) to adapt to the folding directions of the door leaves 6; one of the door leaves 6 is provided with a driving assembly 1, and the door leaf 6 is rotatably provided with a transmission shaft 8 for connecting the locking structure 2, the driving assembly 1 and the docking assembly 3, and the driving assembly 1 is used for rotating the transmission shaft 8, so as to rotate the locking structure 2 and the docking assembly 3 by 180°.
[0030] Specifically, the locking structure 2 comprises a first baffle 21 located in the first through groove and a second baffle 22 located in the second through groove, the first baffles 21 are symmetrically arranged on the left and right sides of the second baffle 22, and the bottom sides of the first baffles 21 close to each other are provided with connecting ears 23, and the front sides of the second baffle 22 are rotatably connected with the connecting ears 23; the second baffle 22 and the connecting ears 23 are rotatably offset, which is more suitable for the action of the door leaf 6 when folding, and can avoid jamming.
[0031] In addition, if the vertical beam 5 has a small cross section, a avoiding groove can also be formed on the side wall, and the strength is ensured by an externally arranged reinforcing rib, so as to avoid that the movement of the second baffle 22 is limited.
[0032] The top sides of the first baffles 21 close to each other are provided with limiting grooves 24, and the rear sides of the second baffle 22 are located in the limiting grooves 24, the limiting grooves 24 not only have the function of accommodating the second baffle 22, but also have the limiting protection function of the limit position, when the two door leaves 6 are reversely and excessively folded, the rear sides of the second baffle 22 will abut against the limiting grooves 24, so as to avoid that the structure is damaged; the sides of the first baffles 21 away from each other are fixedly connected with the transmission shaft 8, and the first baffles 21, the second baffle 22 and the transmission shaft 8 on the other side connected together can be driven to rotate by the rotation of the transmission shaft 8 on any side.
[0033] The driving assembly 1 can adopt the following forms:
[0034] Form one, manual driving, please refer to Figure 5 The driving assembly 1 comprises a disc roller 14 and a spring 13, the transmission shaft 8 is fixedly provided with the disc roller 14, the door leaf 6 is provided with a third through groove for protruding the disc roller 14, one end of the disc roller 14 is provided with two symmetrically arranged hemispherical holes 15, one end of the spring 13 is fixedly arranged in the door leaf 6, the other end of the spring 13 is fixedly arranged with a ball head block, and the ball head block is detachably connected with one of the hemispherical holes 15; the disc roller 14 protruding from the door leaf 6 is manually rotated to rotate the transmission shaft 8 by 180°, at the same time, the ball head block on the spring 13 is separated from the hemispherical hole 15 being connected, and is reconnected with the other hemispherical hole 15, so that the operator can know whether the transmission shaft 8 has been rotated to the position.
[0035] In addition, the disc roller 14 is provided with two through holes 12, and the through holes 12 are respectively arranged in alignment with the semispherical holes 15; the through holes 12 are used for passing and mounting additional padlocks to prevent the disc roller 14 from being rolled at will.
[0036] Form two, electric drive, please refer to Figure 2 The driving assembly 1 comprises a remote control motor 11, the remote control motor 11 is fixedly installed in the door leaf 6, and an output end of the remote control motor 11 is connected with one end of the transmission shaft 8; the remote control motor 11 is remotely controlled through a matched remote controller, so as to drive the transmission shaft 8.
[0037] Specifically, the docking assembly 3 comprises an L-shaped sheet body 31 and a docking box 33, fourth through grooves for accommodating the L-shaped sheet body 31 and the docking box 33 are respectively arranged on the door leaves 6 close to each other in the two folding doors, the L-shaped sheet body 31 is connected and assembled with the locking structure 2 on one side through the transmission shaft 8, the docking box 33 is connected and assembled with the locking structure 2 on the other side through the transmission shaft 8, the docking box 33 is provided with an L-shaped clamping groove 32, and the L-shaped sheet body 31 is clamped and assembled with the L-shaped clamping groove 32; the L-shaped sheet body 31 swings along with the door leaf 6 in the folding door on one side, and the docking box 33 swings along with the door leaf 6 in the folding door on the other side; when the two door leaves 6 are unfolded into a linear type, the L-shaped sheet body 31 is inserted into the L-shaped clamping groove 32, at this time, the L-shaped sheet body 31 has a horizontal stretching limiting function, and after the docking assembly 3 is turned over, the two door leaves 6 cannot swing according to the original folding mode, and also have a locking function.
[0038] The adjusting assembly 4 is arranged between the first baffles 21, the distance between the two first baffles 21 can be adjusted through the adjusting assembly 4, the angle of the two door leaves 6 after unfolding is adjusted, and the best position is ensured.
[0039] Specifically, the adjusting assembly 4 comprises a nut 41 and a screw 42, one or two first baffles 21 are provided with screw holes, the screw 42 is screw-connected and installed in the screw hole, and the nut 41 for abutting against the first baffle 21 is screw-connected and installed on the screw 42.
[0040] Here, two forms of the adjusting assembly 4 are formed:
[0041] Form one, please refer to Figure 2 One first baffle 21 is provided with a screw hole, at this time, the screw 42 adopted is a long rod screw, the screwing depth of the adjusting screw 42 in the screw hole can adjust the protruding length of the screw 42, after the two first baffles 21 swing close to each other, the screw nut of the screw 42 can abut against the first baffle 21 on the other side, so as to accurately control the distance between the two first baffles 21.
[0042] Form two, please refer to Figure 4Two first baffle plates 21 are provided with screw holes, and short rod screws are used, the screwing depth of the screws 42 in the screw holes is adjusted to adjust the length of the screws 42, and the two screws 42 abut against each other after the two first baffle plates 21 are swung towards each other, so that the distance between the two first baffle plates 21 is accurately controlled.
[0043] In addition, the door leaf 6 is rotatably connected with the transmission shaft 8 through the bearing 7, the bearing 7 is used for supporting the transmission shaft 8, and the rotation resistance of the transmission shaft 8 can be reduced.
[0044] The working principle of the embodiment is as follows:
[0045] When the folding doors are folded and stored, the driving assembly 1, the locking structure 2, the adjusting assembly 4 and the docking assembly 3 distributed inside are in the posture as shown in the figure. Figure 3
[0046] When the folding doors are unfolded and used, the structures of the lock are gradually unfolded along with the door leaf 6 and the vertical beam 5, each pair of first baffle plates 21 in the locking structure 2 is swung towards the second baffle plate 22, the screw 42 inside the adjusting assembly 4 is abutted in place, the L-shaped sheet body 31 is connected with the L-shaped clamping groove 32, the structures inside the folding doors on both sides are connected, then the driving assembly 1 is rotated by 180 degrees to the transmission shaft 8, all the locking structures 2 and the docking assemblies 3 inside the folding doors on both sides are turned over, so that each pair of adjacent door leaves 6 cannot be folded in the original folding direction, the locking function is realized, the connection is reliable, and the overall strength is large.
[0047] When the locking is released, the transmission shaft 8 is rotated again to the locking structure 2, the adjusting assembly 4 and the docking assembly 3, and the original posture is restored, so that the folding door can be opened.
[0048] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims rather than the above description, and all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the claims.
[0049] In addition, it should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the specification is described in this way only for the sake of clarity, those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A rotary lock structure comprising a folding door, which is assembled from a combination of uprights (5) and door leaves (6) that are successively alternately turned, characterised in that: The folding doors are connected and locked by the butt joint assembly (3), the vertical beams (5) are each provided with a second through slot, the door leaves (6) adjacent to the two sides of the vertical beam (5) are each provided with a first through slot, the aligned first through slots and second through slots are each provided with a locking structure (2), the adjacent locking structures (2) in the same folding door are oppositely arranged, one of the door leaves (6) is provided with a driving assembly (1), and the door leaf (6) is rotatably provided with a transmission shaft (8) for connecting the locking structure (2), the driving assembly (1) and the butt joint assembly (3).
2. A rotary lock structure according to claim 1, wherein: The locking structure (2) comprises a first baffle (21) located in the first through slot and a second baffle (22) located in the second through slot, the first baffles (21) are symmetrically arranged on the left and right sides of the second baffle (22), the bottom sides of the first baffles (21) are each provided with a connecting lug (23), the front sides of the two ends of the second baffle (22) are rotatably connected with the connecting lugs (23), the top sides of the first baffles (21) are each provided with a limiting groove (24), the rear sides of the two ends of the second baffle (22) are located in the limiting grooves (24), and the sides of the first baffles (21) away from each other are fixedly connected with the transmission shaft (8).
3. A rotary lock structure according to claim 1, wherein: The driving assembly (1) comprises a disc roller (14) and an elastic sheet (13), the transmission shaft (8) is fixedly provided with the disc roller (14), the door leaf (6) is provided with a third through slot for protruding the disc roller (14), one end of the disc roller (14) is provided with two symmetrically arranged hemispherical holes (15), one end of the elastic sheet (13) is fixedly arranged in the door leaf (6), the other end of the elastic sheet (13) is fixedly provided with a ball head block, and the ball head block is connected with one of the hemispherical holes (15).
4. A rotary lock structure according to claim 3, wherein: The disc roller (14) is provided with two through holes (12), and the through holes (12) are aligned with the hemispherical holes (15).
5. A rotary lock structure according to claim 1, wherein: The driving assembly (1) comprises a remote control motor (11), the remote control motor (11) is fixedly arranged in the door leaf (6), and the output end of the remote control motor (11) is connected with one end of the transmission shaft (8).
6. A rotary lock structure according to claim 1, wherein: The butt joint assembly (3) comprises an L-shaped sheet body (31) and a butt joint box (33), the door leaves (6) adjacent to each other in the two folding doors are each provided with a fourth through slot for accommodating the L-shaped sheet body (31) and the butt joint box (33), the L-shaped sheet body (31) is connected with one side of the locking structure (2) through the transmission shaft (8), the butt joint box (33) is connected with the other side of the locking structure (2) through the transmission shaft (8), the butt joint box (33) is provided with an L-shaped clamping groove (32), and the L-shaped sheet body (31) is connected with the L-shaped clamping groove (32).
7. A rotary lock structure according to claim 2, wherein: Adjusting assemblies (4) are arranged between the first baffles (21).
8. A rotary lock structure according to claim 7, wherein: The adjusting assembly (4) comprises a nut (41) and a screw (42), one or both of the first baffles (21) is provided with a screw hole, the screw (42) is screw-connected and installed in the screw hole, and the screw (42) is screw-connected and installed with the nut (41) for abutting against the first baffle (21).
9. A rotary lock structure according to claim 1, wherein: The door leaf (6) is rotationally assembled with the transmission shaft (8) through the bearing (7).