CN220769179U - Concealed hinge - Google Patents
Concealed hinge Download PDFInfo
- Publication number
- CN220769179U CN220769179U CN202321807857.5U CN202321807857U CN220769179U CN 220769179 U CN220769179 U CN 220769179U CN 202321807857 U CN202321807857 U CN 202321807857U CN 220769179 U CN220769179 U CN 220769179U
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- CN
- China
- Prior art keywords
- hinge
- door leaf
- door frame
- door
- rotating arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 235000000621 Bidens tripartita Nutrition 0.000 claims abstract description 26
- 240000004082 Bidens tripartita Species 0.000 claims abstract description 26
- 208000006637 fused teeth Diseases 0.000 claims abstract description 26
- 230000004888 barrier function Effects 0.000 claims description 5
- 238000009434 installation Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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- Hinges (AREA)
Abstract
The utility model discloses a hidden hinge, which comprises a door frame hinge and a door leaf hinge, wherein the door frame hinge comprises a door frame hinge seat, a door frame connecting block and a double-tooth rotating arm, the door frame connecting block is oppositely arranged at two sides in the door frame hinge seat, one end of the double-tooth rotating arm is hinged in the door frame connecting block, the door leaf hinge comprises a door leaf hinge seat, a door leaf connecting block and a single-tooth rotating arm, the door leaf connecting block is oppositely arranged at two sides in the door leaf hinge seat, one end of the single-tooth rotating arm is hinged in the door leaf connecting block, the door frame connecting block and the door leaf connecting block are both provided with moving grooves, the other end of the double-tooth rotating arm is arranged in the moving grooves of the door leaf hinge, and the other end of the single-tooth rotating arm is arranged in the moving grooves of the door frame hinge. The single-tooth rotating arm reciprocates in the door frame hinge, the double-tooth rotating arm reciprocates in the door leaf hinge, the hinge between the door leaf and the door frame realizes hidden installation, and the hidden hinge has the advantages of attractive appearance, safety, durability, space saving and the like when in use.
Description
Technical Field
The utility model relates to the field of hinges, in particular to a hidden hinge.
Background
Door leaf hinges are parts of the door leaf that connect to the door frame, and they are generally composed of two parts: one is installed on the door leaf, and another is installed on the door frame, and the effect of door leaf hinge is that the messenger's door leaf can rotate on the door frame to open and close the door, current hinge needs to install respectively on door leaf and door frame, can leave obvious hinge trace on door leaf and door frame, influences the aesthetic measure of door, because the mounting means of open dress door leaf hinge, the door leaf is easy because of using for a long time and not hard up, leads to the door leaf unstable, appears rocking or noise even to and when using, open dress door leaf hinge is pried open through the instrument by the lawless persons easily, thereby influences the security of door.
Disclosure of Invention
The utility model solves the problems of unattractive appearance, unstable structure and poor safety of the existing hinges.
The hidden hinge comprises a door frame hinge and a door leaf hinge, wherein the door frame hinge comprises a door frame hinge seat, door frame connecting blocks and double-tooth rotating arms, the door frame connecting blocks are oppositely arranged on two sides of the door frame hinge seat, one end of each double-tooth rotating arm is hinged in each of the two door frame connecting blocks, the door leaf hinge comprises a door leaf hinge seat, a door leaf connecting block and a single-tooth rotating arm, the door leaf connecting blocks are oppositely arranged on two sides of the door leaf hinge seat, one end of each single-tooth rotating arm is hinged in each of the two door leaf connecting blocks, moving grooves are formed in the door frame connecting blocks and the door leaf connecting blocks, the other end of each double-tooth rotating wall is arranged in each moving groove of the door leaf hinge, and the other end of each single-tooth rotating arm is arranged in each moving groove of the door frame hinge.
Compared with the prior art, the utility model has the beneficial effects that: the single-tooth rotating arm reciprocates in the door frame hinge, the double-tooth rotating arm reciprocates in the door leaf hinge, the hinge between the door leaf and the door frame realizes hidden installation, and the hidden hinge has the advantages of attractive appearance, safety, durability, space saving and the like when in use.
Drawings
FIG. 1 is a front view of the present utility model;
FIG. 2 is an exploded view of the present utility model;
FIG. 3 is an exploded view of the present utility model between a double-toothed swivel arm and a single-toothed swivel arm;
FIG. 4 is a schematic illustration of the connection between the double-tooth swivel arm and single-tooth swivel arm and door frame connection block and door leaf connection block of the present utility model;
FIG. 5 is a view showing the door frame hinge of the present utility model in use with the door frame and door leaf hinge and door leaf;
FIG. 6 is a cross-sectional view showing the door frame and the door leaf of the present utility model in a closed state by a hinge;
fig. 7 is a sectional view showing an expanded state of a door frame and a door leaf by a hinge according to the present utility model;
FIG. 8 is an exploded view of the present utility model;
fig. 9 is a schematic view of a hinge fixing base structure of the present utility model.
Reference numerals: door frame hinges 10; door leaf hinge 20; a door frame hinge seat 11; a door frame connection block 12; a double-tooth rotary arm 13; a first mounting groove 111; round pins 101; a door leaf hinge seat 21; a door leaf connecting block 22; single tooth swivel arm 23; a moving groove 14; a door frame connecting shaft 15; a door leaf connecting shaft 25; a self-lubricating square bearing 102; a door frame connecting piece 121; a door leaf connecting piece 221; a T-shaped slot 222; a first screw hole 214; a first set screw 28; a third groove 212; a rib 213; a nut 26; a first set screw 27; a hinge fixing base 16; groove bevel 112; long hole 161; a guide boss 163; a second set screw 18; a second set screw 17; a third screw hole 162; a third set screw 19; a second screw hole 223; a door frame 100; a door leaf 200; door leaf barrier 231.
Detailed Description
As shown in fig. 1 to 9, a hidden hinge comprises a door frame hinge 10 and a door leaf hinge 20, wherein the door frame hinge 10 comprises a door frame hinge seat 11, a door frame connecting block 12 and a double-tooth rotating arm 13, a first mounting groove 111 is formed in the door frame hinge seat 11, the door frame connecting block 12 is oppositely formed at two sides of the first mounting groove 111, one end round pin 101 of the double-tooth rotating arm 13 is hinged in two door frame connecting blocks 12, the door leaf hinge 20 comprises a door leaf hinge seat 21, a door leaf connecting block 22 and a single-tooth rotating arm 23, a second mounting groove 211 is formed in the door leaf hinge seat 21, the door leaf connecting block 22 is oppositely formed at two sides of the second mounting groove 211, one end of the single-tooth rotating arm 23 is hinged in the two door leaf connecting blocks 22 through the round pin 101, moving grooves 14 are formed in the door frame connecting blocks 12 and the door leaf connecting block 22, the other end of the double-tooth rotating arm 13 is arranged in the moving grooves 14 of the door leaf hinge 20 through the round pin 101, and the other end of the single-tooth rotating arm 23 is arranged in the moving grooves 14 of the door frame hinge 10 through the round pin 101.
The double-tooth rotating arm 13 is formed by an upper rotating arm and a lower rotating arm, and the middle section of the single-tooth rotating arm 23 is arranged between the upper rotating arm and the lower rotating arm and hinged together through a round pin 101.
In a specific implementation, the door frame hinge 10 is installed in the door frame 100, the door leaf hinge 20 is fixedly connected with the door leaf 200, when the door leaf 200 needs to be unfolded, one end of the double-tooth rotating arm 13 moves in the moving groove 14 in the door leaf connecting block 22, one end of the single-tooth rotating arm 23 moves in the door frame connecting block 12, so that the door frame 100 and the door leaf 200 can be unfolded, when the door leaf 200 and the door frame 100 are closed, one end of the double-tooth rotating arm 13 moves to the moving groove 14 end of the door leaf connecting block 22, one end of the single-tooth rotating arm 23 moves to the moving groove 14 end of the door frame connecting block 12, the single-tooth rotating arm 23 and the double-tooth rotating arm 13 reciprocate in the door frame connecting block 12 and the door leaf connecting block 22, the single-tooth rotating arm 23 and the double-tooth rotating arm 13 can retract into the first mounting groove 111 and the second mounting groove 211, so that the hinge between the door frame 100 and the door leaf 200 can be installed in a hidden manner, and the hidden hinge has the advantages of attractive appearance, safety, durability, space saving and the like when in use.
A door frame connecting shaft 15 is disposed between the two opposite door frame connecting blocks 12, so that the structure between the door frame connecting blocks 12 at both sides of the first mounting groove 111 is more stable.
A door connecting shaft 25 is disposed between the two opposite door connecting blocks 22, so that the structure between the door connecting blocks 22 on both sides of the second mounting groove 211 is more stable.
The round pin 101 of the single-tooth rotating arm 23 and the round pin 101 of the double-tooth rotating arm 13 are sleeved with a self-lubricating square bearing 102, and the self-lubricating square bearing 102 is arranged in the moving groove 14, so that the single-tooth rotating arm 23 moves in the moving groove 14 of the door frame hinge 10 and the double-tooth rotating arm 13 moves in the moving groove 14 of the door leaf hinge 20 more smoothly.
The side end of the door frame connecting block 12 is provided with a door frame connecting piece 121, and the door frame connecting piece 121 is arranged in the door frame hinge seat 11 and is fixedly connected through a connecting component, so that the door frame connecting block 12 and the door frame hinge seat 11 are connected.
The door connecting piece 221 is provided at a side end of the door connecting piece 22, and the door connecting piece 221 is provided in the door hinge seat 21 and is fixedly connected to the door connecting piece 22 through a connecting member, so that the door hinge seat 11 is connected to the door connecting piece 22.
In summary, according to the hidden hinge of the present utility model, the single-tooth rotating arm 23 reciprocates in the door frame hinge 10, the double-tooth rotating arm 13 reciprocates in the door leaf hinge 20, and the hinge connecting the door leaf and the door frame realizes the hidden installation, so that the hidden hinge has the advantages of beautiful appearance, safety, durability, space saving and the like when in use.
The door leaf connecting piece 221 is provided with a T-shaped groove 222, a first screw hole 214 is formed in the door leaf hinge seat, a first fixing screw 28 is arranged in the T-shaped groove 222 and is connected with the first screw hole 214, the door leaf connecting piece 221 falls into a third groove 212 of the door leaf hinge seat 21, protruding ribs 213 are arranged in two side walls of the third groove 212, the contact area between the door leaf connecting piece 221 and the third groove 212 is reduced, the door leaf connecting piece can easily move under negative clearance fit, the first fixing screw 28 is loosened in a rotating mode, the door leaf connecting piece 22 moves left and right, and the size of a door leaf left and right door gap can be adjusted. The nut 26 is disposed in the T-shaped groove 222, the first fastening screw 27 is connected to the nut 26 through the second screw hole 223, and after the door left and right slits are adjusted by rotating the first fastening screw 28, the first fastening screw 27 is rotated to further fix the door connecting block 22 to the door hinge seat 21, thereby eliminating the installation gap.
The hinge fixing seats 16 are arranged on two sides of the door frame hinge seat 11, the door frame hinge seat 11 is connected with the hinge fixing seats 16 through second fixing screws 18, groove inclined planes 112 are formed in two ends of the door frame hinge seat 11, long holes 161, third screw holes 162 and guide bosses 163 are formed in the hinge fixing seats 16, the second fixing screws 18 are loosened, a door leaf is moved up and down, gaps between the door leaf and the upper end of the door frame are adjusted to be suitable in size, the second fixing screws 18 are locked, the second fixing screws 17 are rotated to be arranged in the third screw holes 162, and the tips of the second fixing screws 17 fall onto the groove inclined planes 112 to prevent the door leaf from sagging and shifting.
The door frame hinge seat 11 is connected with the door frame through the hinge fixing seat 16 by rotating and loosening, moving the door frame connecting block 12, moving the door leaf back and forth, enabling the door leaf to be flush with the door frame and rotationally locking the third fixing screw 19.
The edge of the door leaf 200, which is close to the door frame 100, is provided with a door leaf barrier 231, the door leaf barrier 231 extends towards the door frame 100, and when the door is closed, the door leaf barrier 231 can shield the door leaf hinge 20 in the door leaf 200, so that the installation of the door leaf hinge 20 is more attractive and safer.
Claims (8)
1. The utility model provides a hidden hinge, including door frame hinge (10) and door leaf hinge (20), this door frame hinge (10) include door frame hinge seat (11), door frame connecting block (12) and double-tooth rocking arm (13), both sides are equipped with this door frame connecting block (12) relatively in this door frame hinge seat (11), this double-tooth rocking arm (13) one end articulates in this door frame connecting block (12), this door leaf hinge (20) include door leaf hinge seat (21), door leaf connecting block (22) and single-tooth rocking arm (23), both sides are equipped with this door leaf connecting block (22) relatively in this door leaf hinge seat (21), this single-tooth rocking arm (23) one end articulates in this door leaf connecting block (22), its characterized in that: the door frame connecting block (12) and the door leaf connecting block (22) are both provided with a moving groove (14), the other end of the double-tooth rotating arm (13) is arranged in the moving groove (14) of the door leaf hinge (20), and the other end of the single-tooth rotating arm (23) is arranged in the moving groove (14) of the door frame hinge (10).
2. The concealed hinge of claim 1, wherein: a self-lubricating square bearing (102) is sleeved outside the round pin (101) of the single-tooth rotating arm (23) and the round pin (101) of the double-tooth rotating arm (13), and the self-lubricating square bearing (102) is arranged in the moving groove (14).
3. The concealed hinge of claim 1, wherein: a doorframe connecting shaft (15) is arranged between the two opposite doorframe connecting blocks (12).
4. The concealed hinge of claim 1, wherein: a door leaf connecting shaft (25) is arranged between the two opposite door leaf connecting blocks (22).
5. The concealed hinge of claim 1, wherein: the double-tooth rotating arm (13) is formed by an upper rotating arm and a lower rotating arm, and the middle section of the single-tooth rotating arm (23) is arranged between the upper rotating arm and the lower rotating arm and hinged through a round pin (101).
6. The concealed hinge of claim 5, wherein: the side end of the door frame connecting block (12) is provided with a door frame connecting piece (121), and the door frame connecting piece (121) is arranged in the door frame hinge seat (11) and is fixedly connected through a connecting component.
7. The concealed hinge of claim 5, wherein: the side end of the door leaf connecting block (22) is provided with a door leaf connecting piece (221), and the door leaf connecting piece (221) is arranged in the door leaf hinge seat (21) and is fixedly connected through a connecting component.
8. The concealed hinge of claim 1, wherein: the door leaf hinge (20) is fixedly connected with the door leaf (200), and a door leaf barrier strip (231) is arranged at the edge of the door leaf (200).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321807857.5U CN220769179U (en) | 2023-07-10 | 2023-07-10 | Concealed hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321807857.5U CN220769179U (en) | 2023-07-10 | 2023-07-10 | Concealed hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220769179U true CN220769179U (en) | 2024-04-12 |
Family
ID=90603567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321807857.5U Active CN220769179U (en) | 2023-07-10 | 2023-07-10 | Concealed hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220769179U (en) |
-
2023
- 2023-07-10 CN CN202321807857.5U patent/CN220769179U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |