A concealed hinge structure for a door and a door body

Abstract

This utility model discloses a concealed hinge structure for a door, including a door leaf, a door frame, a first hinge seat on the door leaf, and a second hinge seat on the door frame. The first hinge seat has a first storage groove and a first hinge block located within the first storage groove, the first hinge block being hinged to the first storage groove. The second hinge seat has a second storage groove and a second hinge block located within the second storage groove, the second hinge block being hinged to the second storage groove. The second hinge block has a clearance hole, through which the first hinge block is hinged to the second hinge block. Furthermore, this utility model also discloses a door body including the aforementioned concealed hinge structure. Using this utility model has the advantages of improving product aesthetics and reducing the gap between the door leaf and the door frame.

Description

Technical Field

[0001] This utility model relates to the field of hinge technology, and in particular to a door-concealed hinge structure and door body. Background Technology

[0002] Generally, door panels and door frames are connected using hinges or hinge structures, allowing the door panel to rotate relative to the frame. However, hinge structures are usually exposed externally, making them easily visible to users and affecting the product's aesthetics. Furthermore, the hinge structure also increases the gap between the door panel and the frame, which is detrimental to improving the door's sealing and soundproofing effects.

[0003] Furthermore, when there are errors in the installation position of the current hinge structure, it is difficult for operators to make adjustments, resulting in insufficient fit between the door and the door frame, which can easily increase the gap between the door and the door frame, or even cause the door to fail to close within the door frame. Summary of the Invention

[0004] The technical problem to be solved by this utility model embodiment is to provide a door body concealed hinge structure and door body, which can improve the aesthetics of the product and reduce the gap between the door leaf and the door frame.

[0005] To solve the above-mentioned technical problems, this utility model provides a door concealed hinge structure, including a door leaf, a door frame, a first hinge seat on the door leaf and a second hinge seat on the door frame;

[0006] The first hinge base is provided with a first storage groove and a first hinge block located in the first storage groove, and one end of the first hinge block is hinged to the first storage groove; the second hinge base is provided with a second storage groove and a second hinge block located in the second storage groove, and one end of the second hinge block is hinged to the second storage groove.

[0007] The second hinge block is provided with a clearance hole, and the other end of the first hinge block passes through the clearance hole. The first hinge block is hinged to the second hinge block through the clearance hole, so that the first hinge seat can rotate toward the second hinge seat. The first storage groove can cooperate with the second storage groove to cover the first hinge block and the second hinge block.

[0008] Preferably, the first storage groove is recessed towards the inside of the door leaf, and the second storage groove is recessed towards the inside of the door frame.

[0009] Preferably, the first hinge seat has a first plane, and the inlet end of the first storage slot is located on the first plane; the second hinge seat has a second plane, and the inlet end of the second storage slot is located on the second plane; the first plane can rotate relative to the second plane as the first hinge seat rotates.

[0010] Preferably, the first hinge block includes a first hinge portion, a first transition portion, and a first limiting portion that are sequentially interconnected. The first hinge portion is hinged to the first storage groove. The first transition portion is bent so that the first limiting portion can extend into the second storage groove. The first transition portion is hinged to the second hinge block through the clearance hole.

[0011] Preferably, the second hinge block includes a second hinge portion, a second transition portion, and a second limiting portion that are sequentially interconnected. The second hinge portion is hinged to the second storage groove, and the second transition portion is bent so that the second limiting portion can extend into the first storage groove.

[0012] The clearance hole is provided on the second transition portion, and the first transition portion is hinged to the second transition portion through the clearance hole.

[0013] Preferably, the end of the door leaf is provided with a first groove, and the first hinge seat is fixed in the first groove; the end of the door frame is provided with a second groove, and the second hinge seat is fixed in the second groove; the first plane is flush with the end face of the end of the door leaf, and the second plane is flush with the end face of the end of the door frame.

[0014] Preferably, the door concealed hinge structure further includes an adjusting rod, on which an adjusting element is provided. The adjusting element is capable of reciprocating along the length direction of the adjusting rod. A first adjusting hole is provided on the second plane. The adjusting rod passes through the first adjusting hole into the second groove, and the adjusting element is capable of abutting against or moving away from the second plane along the adjusting rod.

[0015] Preferably, the first adjustment hole is symmetrically arranged on both sides of the second storage slot, and the second plane is also provided with a second adjustment hole along the length direction of the door frame; the first plane is provided with a third adjustment hole symmetrical to both sides of the first storage slot.

[0016] On the other hand, this utility model embodiment provides a door body including the above-mentioned hidden hinge structure.

[0017] Implementing the embodiments of this utility model has the following beneficial effects:

[0018] This utility model embodiment features a first hinge seat on the door leaf and a second hinge seat on the door frame. The first hinge seat has a first storage groove and a first hinge block located within the first storage groove, with the first hinge block hinged to the first storage groove. The second hinge seat has a second storage groove and a second hinge block located within the second storage groove, with the second hinge block hinged to the second storage groove. The first storage groove is located inside the door leaf, and the second storage groove is located inside the door frame. When the door leaf is closed, the first storage groove can cooperate with the second storage groove to cover the first and second hinge blocks, achieving a concealed structure and minimizing the gap between the door leaf and the door frame to improve the product's airtightness and soundproofing.

[0019] Specifically, the second hinge block is provided with a clearance hole. The first hinge block is hinged to the second hinge block through the clearance hole, allowing the first hinge seat to rotate towards the second hinge seat, so that the door leaf can be closed within the door frame. Simultaneously, the first storage groove can move towards the second storage groove as the first hinge seat rotates, and together with the second storage groove, form a box-shaped sealing structure to mutually cover the first and second hinge blocks, thereby achieving a concealed structure and improving the product's aesthetics. Furthermore, the first hinge block passes through the clearance hole and extends into the second storage groove to provide a limiting function, enabling the door leaf to open and close in one direction. Attached Figure Description

[0020] Figure 1 This is a structural diagram of a door concealed hinge structure according to an embodiment of the present invention;

[0021] Figure 2 This is a structural diagram of another state of the concealed hinge structure of the door body according to an embodiment of this utility model;

[0022] Figure 3 This is a diagram showing the working state of the concealed hinge structure of the door in an embodiment of this utility model. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the following will describe this utility model in further detail with reference to the accompanying drawings. It is hereby declared that the terms "up," "down," "left," "right," "front," "back," "inner," and "outer," etc., appearing or about to appear in this document, are based solely on the accompanying drawings and are not intended to specifically limit this utility model.

[0024] Combination Figures 1 to 3 An embodiment of this utility model provides a door-concealed hinge structure, including a door leaf 1, a door frame 2, a first hinge seat 3 provided on the door leaf 1, and a second hinge seat 4 provided on the door frame 2.

[0025] The first hinge base 3 is provided with a first storage groove 31 and a first hinge block 32 located in the first storage groove 31, and the first hinge block 32 is hinged to the first storage groove 31; the second hinge base 4 is provided with a second storage groove 41 and a second hinge block 42 located in the second storage groove 41, and the second hinge block 42 is hinged to the second storage groove 41.

[0026] The second hinge block 42 is provided with a clearance hole 424. The first hinge block 32 is hinged to the second hinge block 42 through the clearance hole 424, allowing the first hinge seat 3 to rotate toward the second hinge seat 4. The first storage groove 31 can cooperate with the second storage groove 41 to cover the first hinge block 32 and the second hinge block 42. Furthermore, the first hinge block 32 passes through the clearance hole 424 and extends into the second storage groove 41 to provide a limiting function, realizing the one-way opening and closing function of the door leaf 1.

[0027] Furthermore, to achieve a concealed installation effect, the first storage groove 31 is recessed towards the inside of the door leaf 1, and the second storage groove 41 is recessed towards the inside of the door frame 2, so that when the door leaf 1 is closed, both the first hinge seat 3 and the second hinge seat 4 are hidden inside the door leaf 1 and the door frame 2, thereby improving the aesthetics of the product and also making it easier to reduce the gap between the door leaf 1 and the door frame 2.

[0028] Furthermore, the first hinge seat 3 is provided with a first plane 33, and the entrance end of the first storage groove 31 is located on the first plane 33; correspondingly, the second hinge seat 4 is provided with a second plane 43, and the entrance end of the second storage groove 41 is located on the second plane 43. When the first hinge seat 3 rotates toward the second hinge seat 4, the first plane 33 can rotate relative to the second plane 43 with the rotation of the first hinge seat 3, so as to improve the fit between the door leaf 1 and the door frame 2 when the door leaf 1 is closed, and improve the overall aesthetics of the product.

[0029] Preferably, to ensure a stable hinge effect and provide a limiting function, the first hinge block 32 includes a first hinge portion 321, a first transition portion 322, and a first limiting portion 323 interconnected in sequence. The first hinge portion 321 is hinged to the first receiving groove 31, allowing the first hinge block 32 to rotate relative to the first receiving groove 31. The first transition portion 322 is bent, allowing the first limiting portion 323 to extend into the second receiving groove 41, providing a limiting function by abutting against the inner wall of the second receiving groove 41 or against the second hinge block 42. The first transition portion 322 is hinged to the second hinge block 42 through the clearance hole 424 to achieve the hinge effect between the first hinge block 32 and the second hinge block 42.

[0030] Correspondingly, the second hinge block 42 may also include a second hinge portion 421, a second transition portion 422, and a second limiting portion 423 connected in sequence. The second hinge portion 421 is hinged to the second receiving groove 41, allowing the second hinge block 42 to rotate relative to the second receiving groove 41. The second transition portion 422 is bent, allowing the second limiting portion 423 to extend into the first receiving groove 31, thereby further limiting its position. The clearance hole 424 is provided on the second transition portion 422, and the first transition portion 322 is hinged to the second transition portion 422 through the clearance hole 424, thus ensuring the hinge effect between the first hinge block 32 and the second hinge block 42.

[0031] In one embodiment, this utility model has two working states, a and b: state a is the closed state, that is, when the door leaf 1 is closed inside the door frame 2, the first storage groove 31 and the second storage groove 41 cooperate to cover the first hinge block 32 and the second hinge block 42 to reduce the gap, so that the user can only see the door leaf 1 and the door frame 2 from the outside, and it is not easy to see the first hinge seat 3 and the second hinge seat 4. It should be noted that at this time, the first limiting part 323 abuts against the second hinge part 421, and the second limiting part 423 abuts against the first hinge part 321 to play a limiting role, so that the door... Door 1 can only be opened in one direction; b is the open state, that is, the first hinge part 321 rotates relative to door 1, the second hinge part 421 rotates relative to door frame 2, and the first transition part 322 rotates relative to the second transition part 422 through the avoidance hole 424, so that door 1 can move away from door frame 2. It should be noted that when door 1 rotates to a certain extent, the first limiting part 323 will abut against the inner wall of the second storage groove 41, and the second limiting part 423 will abut against the inner wall of the first storage groove 31, so as to play a further limiting role and prevent door 1 from rotating too much.

[0032] More preferably, to further achieve concealed installation, the end of the door leaf 1 is provided with a first groove 11, and the first hinge seat 3 is fixedly disposed in the first groove 11. The end of the door frame 2 is provided with a second groove 21, and the second hinge seat 4 is fixedly disposed in the second groove 21. The first plane 33 is flush with the end face of the door leaf 1, and the second plane 43 is flush with the end face of the door frame 2, making the surfaces of the door leaf 1 and the door frame 2 uneven, thus ensuring smooth and fluid opening and closing of the door leaf 1, and preventing interference between the first hinge block 32 and the second hinge block 42.

[0033] In addition, combined Figure 1To facilitate adjustment of this product, the concealed hinge structure of the door body also includes an adjusting rod 5. The adjusting rod 5 is equipped with an adjusting element, which can reciprocate along the length of the adjusting rod 5. A first adjusting hole 431 is provided on the second plane 43. The adjusting rod 5 can pass through the first adjusting hole 431 into the second groove 21 to serve as a connection. The adjusting element can abut against the second plane 43 along the adjusting rod 5, so that the operator can adjust the pressing depth of the second hinge block 42 by adjusting the abutting force of the adjusting rod 5, thereby increasing or decreasing the gap between the door leaf 1 and the door frame 2.

[0034] Preferably, the first adjustment holes 431 are symmetrically arranged on both sides of the second storage groove 41, so that the second hinge block 42 can move smoothly. More preferably, the second plane 43 is also provided with a second adjustment hole 432 along the length direction of the door frame 2 to adjust the position of the second hinge block 42 along the length direction of the door frame 2.

[0035] It should be noted that the first plane 33 is provided with third adjustment holes 331 symmetrical to both sides of the first storage groove 31. The adjustment rod 5 can pass through the third adjustment hole 331 into the first groove 11 to serve as a connection. The adjustment member can abut against the first plane 33 along the adjustment rod 5, allowing the operator to increase or decrease the pressing depth of the first hinge block 32 by adjusting the abutting force of the adjustment rod 5, thereby further realizing the function of adjusting the gap between the small door leaf 1 and the door frame 2. Preferably, the first plane 33 may also be provided with a fourth adjustment hole along the length direction of the door leaf 1 for adjusting the position of the first hinge block 32 along the length direction of the door leaf 1.

[0036] Since the door body of this embodiment includes the door body concealed hinge structure as described in any of the above embodiments, the door body of this embodiment possesses the technical effects brought about by the door body concealed hinge structure as described in any of the above embodiments. Therefore, the specific technical effects of the door body of this embodiment can be referred to the technical effects of the door body concealed hinge structure as described in any of the above embodiments, and will not be repeated here.

[0037] The above description is the preferred embodiment of this utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the principle of this utility model, and these improvements and modifications are also considered to be within the protection scope of this utility model.

Claims

1. A door concealed hinge structure, characterized by, It includes a door leaf, a door frame, a first hinge seat on the door leaf, and a second hinge seat on the door frame; The first hinge seat has a first storage groove and a first hinge block located in the first storage groove, and the first hinge block is hinged to the first storage groove; the second hinge seat has a second storage groove and a second hinge block located in the second storage groove, and the second hinge block is hinged to the second storage groove. The second hinge block is provided with a clearance hole, through which the first hinge block passes and is hinged to the second hinge block via the clearance hole, so that the first hinge seat can rotate toward the second hinge seat, and the first storage groove can cooperate with the second storage groove to cover the first hinge block and the second hinge block.

2. The door-concealed hinge structure according to claim 1, wherein The first storage slot is recessed towards the inside of the door leaf, and the second storage slot is recessed towards the inside of the door frame.

3. The door-concealed hinge structure according to claim 2, wherein The first hinge seat has a first plane, and the inlet end of the first storage slot is located on the first plane; the second hinge seat has a second plane, and the inlet end of the second storage slot is located on the second plane; the first plane can rotate relative to the second plane as the first hinge seat rotates.

4. The door-concealed hinge structure according to claim 1, wherein The first hinge block includes a first hinge portion, a first transition portion, and a first limiting portion that are connected in sequence. The first hinge portion is hinged to the first storage groove. The first transition portion is bent so that the first limiting portion can extend into the second storage groove. The first transition portion is hinged to the second hinge block through the clearance hole.

5. The door-concealed hinge structure according to claim 4, wherein The second hinge block includes a second hinge portion, a second transition portion, and a second limiting portion that are connected in sequence. The second hinge portion is hinged to the second storage groove. The second transition portion is bent so that the second limiting portion can extend into the first storage groove. The clearance hole is provided on the second transition portion, and the first transition portion is hinged to the second transition portion through the clearance hole.

6. The door-concealed hinge structure according to claim 3, wherein The end of the door leaf is provided with a first groove, and the first hinge seat is fixed in the first groove. The end of the door frame is provided with a second groove, and the second hinge seat is fixed in the second groove. The first plane is flush with the end face of the end of the door leaf, and the second plane is flush with the end face of the end of the door frame.

7. The door-concealed hinge structure according to claim 6, wherein The concealed hinge structure of the door also includes an adjusting rod, on which an adjusting element is provided. The adjusting element can reciprocate along the length direction of the adjusting rod. A first adjusting hole is provided on the second plane. The adjusting rod passes through the first adjusting hole into the second groove, and the adjusting element can abut against the second plane along the adjusting rod.

8. The door-concealed hinge structure according to claim 7, wherein The first adjustment hole is symmetrically arranged on both sides of the second storage slot, and the second plane is also provided with a second adjustment hole along the length direction of the door frame; the first plane is provided with a third adjustment hole symmetrical to both sides of the first storage slot.

9. A door body characterized by, Includes the door concealed hinge structure as described in any one of claims 1-8.

Images