A combined ground and overhead door shaft

By combining the male and female latches and the tension latch design of the top hinge, 360-degree rotation and stable support of the top and bottom hinges are achieved, solving the problems of complex structure, large size and poor concealment of traditional top and bottom hinges, and improving the rotation angle and stability of the door.

CN224300648UActive Publication Date: 2026-05-29GUANGDONG WANGU DECORATION TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG WANGU DECORATION TECH CO LTD
Filing Date
2025-06-07
Publication Date
2026-05-29

AI Technical Summary

Technical Problem

Traditional hinged doors have complex structures, large size, poor concealment, deep mounting holes, limited opening and closing angles, and high limitations in use.

Method used

It adopts a combined hinge structure, including male and female latches and pull latches. Utilizing a design that allows for detachable housing, latches, springs, and hooks, it enables 360-degree rotation and stable support of the door. The rotation angle and stability of the door are improved through the rotation within the latch body and the support of the hooks.

Benefits of technology

It improves the door's rotation and opening angle and its usability, enhances the door's stability, prevents loosening, and improves the furniture's usability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of furniture accessories discloses a combination of the heaven and earth door shaft's combination of the heaven and earth shaft, including the child -mother buckle and the tension buckle, the child -mother buckle includes separable casing, the casing one end is provided with the telescopic connecting rod, be provided with the clamp on the connecting rod, the tension buckle includes the card seat body, the clamp slides and connects in the card seat body, the card seat body one end is provided with the hook portion, this combination of the heaven and earth door shaft's combination of the heaven and earth shaft can telescopic clamp and connect in the card seat body, make the child -mother buckle can rotate on the tension buckle through the connecting rod, in order to facilitate the opening or closing of door body, since the connecting rod can rotate in the card seat body, greatly improve the rotation opening angle of door body, improve the applicability of the door body of furniture, and the hook portion can stably hook and connect the card seat body, after the door body opens, the gravity of door body can better support through the hook portion, prevent the phenomenon that the door body appears loose along with the lapse of time.
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Description

Technical Field

[0001] This utility model relates to the technical field of furniture accessories, specifically, a combined hinge for a top and bottom door hinge. Background Technology

[0002] A hinge is a hardware component used to hinge a door to a frame or cabinet. Traditional hinges are relatively complex in structure and large in size. For example, the durable gear-driven adjustable hinge disclosed in Chinese patent CN221524560U has a hinge arm that is visible after installation, which is relatively poor in terms of concealment. In addition, it requires deep and large openings in the door leaf and cabinet, and the opening and closing angle is limited, which limits its use for opening and closing wardrobes and other cabinets. Utility Model Content

[0003] In order to overcome the defects of the existing technology, this utility model provides a combined top and bottom pivot for the top and bottom pivots to solve the problems in the existing technology.

[0004] The technical solution adopted by this utility model to solve its technical problem is: a combined top and bottom door hinge, including a male and female buckle and a tension buckle. The male and female buckle includes a separable housing. One end of the housing is provided with a telescopic connecting rod. The connecting rod is provided with a locking head. The tension buckle includes a locking body. The locking head is slidably locked into the locking body. One end of the locking body is provided with a hook.

[0005] In the aforementioned combined pivot of the Heaven and Earth Gate, the housing includes two combinable half-shells, with locking posts and insertion holes respectively provided on the side faces of the two half-shells facing each other, and barbs provided on the two half-shells.

[0006] In the aforementioned combined pivot of the top and bottom door pivot, a spring cavity is provided inside the housing, a spring is provided inside the spring cavity, a telescopic rod is provided at one end of the connecting rod near the spring cavity, a retaining ring is provided at the other end of the telescopic rod away from the connecting rod, the retaining ring is located inside the spring cavity, the diameter of the retaining ring is larger than the diameter of the telescopic rod, one end of the spring abuts against the retaining ring, and the other end abuts against the lower end of the spring cavity.

[0007] In the aforementioned combined axial pivot of the axial pivot, the hook portion includes an inclined block, one end of which is connected to the card holder body. The inclined block is inclinedly disposed on the card holder body, and a card block is disposed at the end of the inclined block away from the card holder body. The middle part of the card block is connected to the inclined block.

[0008] In the aforementioned combination of heaven and earth gate axes, the locking block is arc-shaped.

[0009] In the aforementioned combination of the top and bottom door hinges, both sides of the card holder body are provided with card head grooves that can accommodate connecting rods. One end of the card head groove is provided with a connecting rod groove, and one end of the card head groove is provided with an inclined surface. The lower end of the inclined surface is provided with a card head cavity located below the card head groove.

[0010] In the aforementioned combined top and bottom door hinge, the inner walls of the connecting rod groove are provided with flared openings at one end near the locking head groove, and the inner walls of the connecting rod groove are also provided with protruding locking ribs.

[0011] In the aforementioned combined top and bottom door hinge, the outer diameter of the clamp head is larger than the width of the clamp head groove.

[0012] In the aforementioned combination of the top and bottom door hinges, the side of the card holder body is provided with a card lug.

[0013] In the aforementioned combined axial shaft of the celestial gate, the card seat body, the inclined block, and the card block are an integral structure.

[0014] The beneficial effects of this utility model are as follows: the pull buckle is installed at the upper and lower ends of the cabinet body, and the snap fastener is fixed at the upper and lower ends of the door body. By engaging the retractable latch head in the seat body, the snap fastener can rotate on the pull buckle through the connecting rod, so as to facilitate the opening or closing of the door. Since the connecting rod can rotate in the seat body, the rotation opening angle of the door is greatly improved, and the applicability of the furniture door is improved. Moreover, the hook can stably hook the seat body. After the door is opened, the weight of the door can be better supported by the hook, preventing the door from loosening over time. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the snap fastener and pull buckle in this embodiment.

[0016] Figure 2 This is a three-dimensional structural diagram of the snap fastener in this embodiment.

[0017] Figure 3 This is a schematic diagram of the internal structure of the semi-shell.

[0018] Figure 4 This is a three-dimensional structural diagram of the tension buckle in this embodiment.

[0019] Figure 5 for Figure 4 A magnified structural diagram of point A in the middle.

[0020] In the diagram: 1. Snap fastener; 2. Pull buckle; 3. Shell; 4. Barb; 5. Connecting rod; 6. Clip head; 7. Telescopic rod; 8. Half shell; 9. Spring cavity; 10. Spring; 11. Clip post; 12. Insertion hole; 13. Clip seat body; 14. Inclined block; 15. Clip block; 16. Clip head slide groove; 17. Connecting rod groove; 18. Inclined surface; 19. Clip head cavity; 20. Clip ear; 21. Flared mouth; 22. Clip rib. Detailed Implementation

[0021] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings. It should be noted that these descriptions are for the purpose of aiding understanding of this utility model, but do not constitute a limitation thereof. Furthermore, the technical features involved in the various embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0022] Combination Figures 1 to 5 The illustrated combination hinge for a top and bottom door includes a snap fastener 1 and a pull fastener 2. The snap fastener 1 includes a separable housing 3, with a retractable connecting rod 5 at one end of the housing 3 and a locking head 6 on the connecting rod 5. The pull fastener 2 includes a mounting body 13, with the locking head 6 slidably engaged within the mounting body 13. A hook is provided at one end of the mounting body 13. In this embodiment, the pull fastener 2 is installed at the top and bottom of the cabinet body, and the snap fastener 1 is fixed at the top and bottom of the door body. By engaging the retractable locking head 6 within the mounting body 13, the snap fastener 1 can rotate on the pull fastener 2 via the connecting rod 5, facilitating the opening and closing of the door. Since the connecting rod 5 can rotate 360 ​​degrees within the mounting body 13, the rotation opening angle of the door is greatly increased, improving the applicability of the furniture door. Furthermore, the hook can stably engage the mounting body 13, providing better support for the weight of the door after it is opened, preventing the door from loosening over time.

[0023] Specifically, the housing 3 in this embodiment includes two combinable half-shells 8. The two half-shells 8 are respectively provided with a locking post 11 and a socket 12 on their opposite sides, and the two half-shells 8 are provided with barbs 4. For example, the first half-shell 8 is provided with a locking post 11 and a socket 12 on its side, and the second half-shell 8 is provided with a corresponding socket 12 and locking post 11 on its side, so that the two half-shells 8 can be combined to form the housing 3, which is easy to assemble and disassemble. The housing 3 can be inserted into the door body by opening a strip groove on the door body. The barbs 4 can prevent the housing 3 from being easily pulled out, so that the connecting rod 5 and the locking head 6 protrude relative to the door body surface, so that the connecting rod 5 and the locking head 6 can slide and lock into the card seat body 13.

[0024] The housing 3 contains a spring cavity 9, and a spring 10 is installed inside the spring cavity 9. A telescopic rod 7 is installed at the end of the connecting rod 5 near the spring cavity 9, and a retaining ring is installed at the end of the telescopic rod 7 away from the connecting rod 5. The retaining ring is located inside the spring cavity 9, and the diameter of the retaining ring is larger than the diameter of the telescopic rod 7. One end of the spring abuts against the retaining ring, and the other end abuts against the lower end of the spring cavity 9, so that the connecting rod 5 and the retaining head 6 can extend and retract within the housing 3.

[0025] Preferably, in this embodiment, the hook portion includes a wedge 14, one end of which is connected to the card holder body 13. The wedge 14 is inclinedly disposed on the card holder body 13. A locking block 15 is disposed at the end of the wedge 14 away from the card holder body 13. The middle part of the locking block 15 is connected to the wedge 14, so that the intersection point of the wedge 14 and the locking block 15 forms a T-point. The locking block 15 extends to both ends of the T-point to obtain a wider range of tensile support. For example, the wedge 14 is elongated. In the top view projection of the wedge 14 and the card holder body 13, the wedge 14 is not on the central axis of the card holder body 13, so that the wedge 14 is inclinedly disposed on the card holder body 13. The ends of the locking block 15 and the inclined block 14 intersect, forming a hook shape. The card holder body 13, the inclined block 14, and the locking block 15 are embedded and installed in the cabinet. The card holder body 13 can be stably placed in the cabinet through the inclined block 14 and the locking block 15. When the cabinet door is rotated, the connecting rod 5 and the locking head 6 rotate inside the card holder body 13. So even when the cabinet door is opened and the card holder body 13 is pulled under the weight of the cabinet door, the card holder body 13 can be supported and pulled by the inclined block 14 and the locking block 15 to prevent the card holder body 13 from loosening under the weight of the cabinet door for a long time, thus increasing stability.

[0026] It is worth noting that the locking block 15 in this embodiment is arc-shaped, which can better hook onto the mounting slot inside the cabinet.

[0027] Both sides of the card holder body 13 are provided with card head grooves 16 to accommodate the connecting rod 5. One end of the card head groove 16 is provided with a connecting rod groove 17. One end of the card head groove 16 is provided with an inclined surface 18. The lower end of the inclined surface 18 is provided with a card head cavity 19 located below the card head groove 16. During assembly, the card head 15 is inserted into the card head groove 16, which compresses the card head 15. Under the action of the inclined surface 18, the card head 15 slides down. During the sliding process, the connecting rod 5 gradually extends under the action of the spring 10 and is inserted into the connecting rod groove 17. At the same time, the card head 15 enters the card head cavity 19, thereby completing the combination connection between the male and female buckle 1 and the pull buckle 2. It is easy to assemble and disassemble. Moreover, after the connecting rod 5 is inserted into the card head groove 16, a pull point is formed at the card head groove 16 when the door is opened. The pull buckle 2 can obtain a wider range of pull support through the hook, thereby improving stability.

[0028] It is worth noting that, in this embodiment, the inner walls of the connecting rod groove 17 are provided with flared openings 21 at the ends near the head groove 16, and the inner walls of the connecting rod groove 17 are also provided with protruding retaining ribs 22. The flared openings 21 make it easier for the connecting rod 5 to enter the connecting rod groove 17, and after the connecting rod 5 passes through the retaining ribs 22, the connecting rod 5 is locked on the side of the retaining ribs 22 away from the flared openings 21, which further improves the stability of the connecting rod 5 in the connecting rod groove 17 and prevents it from easily coming off.

[0029] In this embodiment, the outer diameter of the card head 6 is larger than the groove width of the card head slide 16, so that the card head 6 can be locked in the card head cavity 19, preventing it from being directly dislodged through the connecting rod groove 17. The side of the card holder body 13 is provided with a card ear 20, which can further improve the stability of the card holder body 13 after installation.

[0030] In this embodiment, the card holder body 13, the inclined block 14, and the card block 15 are an integral structure, making the overall structure more robust.

[0031] The embodiments of this utility model have been described in detail above with reference to the accompanying drawings, but this utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of this utility model, and these variations still fall within the protection scope of this utility model.

Claims

1. A combined hinge for a top and bottom door hinge, comprising a male and female fastener (1) and a tension fastener (2), characterized in that: The snap fastener (1) includes a separable housing (3), one end of which is provided with a retractable connecting rod (5), and a locking head (6) is provided on the connecting rod (5). The pull buckle (2) includes a card holder body (13), the card head (6) is slidably engaged in the card holder body (13), and a hook is provided at one end of the card holder body (13).

2. The combined celestial pivot of the celestial and terrestrial gates according to claim 1, characterized in that, The housing (3) includes two combinable half-shells (8), with a locking post (11) and a socket (12) respectively provided on the side of the two half-shells (8) facing each other, and barbs (4) provided on the two half-shells (8).

3. The combined celestial pivot of the celestial and terrestrial gates according to claim 1, characterized in that, The housing (3) is provided with a spring cavity (9), and a spring (10) is provided in the spring cavity (9). A telescopic rod (7) is provided at one end of the connecting rod (5) near the spring cavity (9), and a retaining ring is provided at the other end of the telescopic rod (7) away from the connecting rod (5). The retaining ring is located in the spring cavity (9), and the diameter of the retaining ring is larger than the diameter of the telescopic rod (7). One end of the spring abuts against the retaining ring, and the other end abuts against the lower end of the spring cavity (9).

4. The combined celestial pivot of the celestial and terrestrial gates according to claim 1, characterized in that, The hook includes a slanted block (14), one end of which is connected to the card holder body (13). The slanted block (14) is inclinedly disposed on the card holder body (13). A card block (15) is provided at the end of the slanted block (14) away from the card holder body (13). The middle part of the card block (15) is connected to the slanted block (14).

5. A combined celestial pivot according to claim 4, characterized in that, The card block (15) is arc-shaped.

6. The combined celestial axis of the celestial gate according to claim 1, characterized in that, Both sides of the card holder body (13) are provided with card head grooves (16) that can accommodate connecting rods (5). One end of the card head groove (16) is provided with a connecting rod groove (17). One end of the card head groove (16) is provided with an inclined surface (18). The lower end of the inclined surface (18) is provided with a card head cavity (19) located below the card head groove (16).

7. A combined celestial pivot according to claim 6, characterized in that, The inner wall of the connecting rod groove (17) is provided with a flared mouth (21) at one end near the head slide groove (16), and the inner wall of the connecting rod groove (17) is also provided with protruding ribs (22).

8. A combined celestial pivot according to claim 6, characterized in that, The outer diameter of the card head (6) is greater than the width of the card head groove (16).

9. A combined celestial pivot according to claim 4, characterized in that, The side of the card holder body (13) is provided with a card ear (20).

10. A combined celestial pivot according to claim 4, characterized in that, The card holder body (13), the inclined block (14), and the card block (15) are an integral structure.