CN220059253U - Hidden hinge for door - Google Patents
Hidden hinge for door Download PDFInfo
- Publication number
- CN220059253U CN220059253U CN202321391431.6U CN202321391431U CN220059253U CN 220059253 U CN220059253 U CN 220059253U CN 202321391431 U CN202321391431 U CN 202321391431U CN 220059253 U CN220059253 U CN 220059253U
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- groove
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- 238000000034 method Methods 0.000 abstract description 5
- 230000000295 complement effect Effects 0.000 description 9
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model belongs to the technical field of hinges, and particularly relates to a hidden hinge of a door, which comprises a fixed hinge assembly, a movable hinge assembly, a bearing arm, an angle arm and a clearance arm; the bearing arm is fixed on the back side of the movable hinge assembly; the middle part of the bearing arm is rotationally connected with the front end of the angle arm, and the rear end of the bearing arm is rotationally connected with the front end of the clearance arm; the fixed hinge assembly is provided with a containing cavity for containing the bearing arm, the angle arm and the clearance arm; the rear ends of the angle arms and the rear ends of the clearance arms are respectively connected between the upper cavity wall and the lower cavity wall of the accommodating cavity in a rotating mode. The blind hinge in the scheme can reduce the space occupation of the rotating shaft system on the width of the hinge, and when the rotating shaft system rotates out of the accommodating cavity, the extending length of the shaft arm can be larger, so that the change of the shaft system on the horizontal length is realized; the door leaf can guarantee the safety clearance with the door frame at the in-process of opening.
Description
Technical Field
The utility model belongs to the technical field of hinges, and particularly relates to a hidden hinge of a door.
Background
The invisible hinge of the existing door adopts a structure of single-shaft rotation operation, and the structure is often required to reserve a larger door gap to ensure the safety gap during opening, and meanwhile, because the bearing part of the shaft body is required to be stressed, the width of the invisible hinge is larger, so that the distance between the hinge and the edge of the door frame or the door leaf is smaller when the invisible hinge is embedded on the door frame or the door leaf, and the large-area damage to the side surfaces of the aluminum alloy framework and the wooden panel is easily caused when the door leaf or the door frame is grooved, thereby influencing the structural stability of the door leaf.
Therefore, it is necessary to design a door blind hinge structure with a shaft which can be hidden and has a lower width.
Disclosure of Invention
In order to solve the problems in the prior art, the scheme provides a hidden hinge of a door.
The technical scheme adopted by the utility model is as follows:
a hidden hinge of a door comprises a fixed hinge assembly, a movable hinge assembly, a bearing arm, an angle arm and a clearance arm; the bearing arm is fixed on the back side of the movable hinge assembly; the middle part of the bearing arm is rotationally connected with the front end of the angle arm, and the rear end of the bearing arm is rotationally connected with the front end of the clearance arm; the fixed hinge assembly is provided with a containing cavity for containing the bearing arm, the angle arm and the clearance arm; the rear ends of the angle arms and the rear ends of the clearance arms are respectively connected between the upper cavity wall and the lower cavity wall of the accommodating cavity in a rotating mode.
As an alternative structure or complementary design of the door blind hinge: the rear end of the angle arm is positioned at the front side of the rear end of the clearance arm; the clearance arm is L-shaped and is provided with an avoidance notch for avoiding the rear end of the angle arm.
As an alternative structure or complementary design of the door blind hinge: the length of the angle arm and the length of the clearance arm both accommodate the width of the cavity.
As an alternative structure or complementary design of the door blind hinge: the middle part of the bearing arm is bent.
As an alternative structure or complementary design of the door blind hinge: the movable hinge assembly comprises a movable hinge seat and a movable hinge body; the movable hinged support is in a strip shape, and an adjusting groove is formed in the back side of the movable hinged support; the movable hinge body is detachably arranged in the adjusting groove and can adjust the upper and lower positions; the front end of the bearing arm is fixedly connected with the movable hinged support.
As an alternative structure or complementary design of the door blind hinge: waist-shaped holes are formed in the upper end and the lower end of the movable hinge body.
As an alternative structure or complementary design of the door blind hinge: the fixed hinge assembly comprises a fixed hinge outer shell and a fixed hinge inner seat; the fixed hinge shell is provided with a mounting groove, and fixed hinge inner seats are respectively arranged at the upper groove wall and the lower groove wall of the mounting groove; the angle arm and the clearance arm are rotatably connected between the two fixed hinge inner seats, and the accommodating cavity is also formed between the two fixed hinge inner seats.
As an alternative structure or complementary design of the door blind hinge: and rotating shafts are respectively arranged at the corresponding rotating joints of the bearing arm, the angle arm, the clearance arm and the fixed hinge inner seat.
As an alternative structure or complementary design of the door blind hinge: ear grooves are respectively arranged on the upper groove wall and the lower groove wall of the mounting groove; an adjusting lug is arranged on the fixed hinge inner seat and is embedded in the lug groove; a gasket is arranged at the bottom of the ear groove, and an adjusting screw is connected with the adjusting ear in a threaded manner; the tip of the adjusting screw is columnar and is in running fit with the gasket; an arc-shaped step groove is formed in the side edge of the adjusting lug; the nut of the screw connected to the fixed hinge shell can be propped against the arc-shaped step groove to lock the adjusting lug.
As an alternative structure or complementary design of the door blind hinge: the front side of the fixed hinge assembly and the rear side of the movable hinge assembly are respectively embedded with permanent magnets, and decorative covers are magnetically attracted on the permanent magnets.
The beneficial effects of the utility model are as follows:
1. in the scheme, the rotating shaft system of the hinge consists of three parts, namely a bearing arm, an angle arm and a clearance arm, and is formed into a multi-shaft structure, so that the space occupation of the rotating shaft system on the width of the hinge can be reduced when the rotating shaft system rotates into the accommodating cavity, and the extending length of the shaft arm can be larger when the rotating shaft system rotates out of the accommodating cavity, thereby realizing the change of the shaft system on the horizontal length;
2. the technology in the scheme can lead the edge value of the hinge to be larger, and the aluminum alloy framework and the panel of the door leaf are not damaged when the door leaf is grooved, so that the structure is more stable;
3. when this scheme is used on the door, can make the door leaf at the in-process of opening, can guarantee the safety clearance with the door frame, simultaneously after opening, the track of rotational axis system is spacing to appointed within range to make the door leaf can not pass through the outer turning and extrusion door frame.
Drawings
In order to more clearly illustrate the embodiments of the present solution or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a perspective view of a blind hinge of a door in the present embodiment;
FIG. 2 is a cross-sectional view of the blind hinge of the door in the present embodiment;
fig. 3 is an exploded view of the hinge assembly of the present embodiment.
In the figure: 1-a movable hinged support; 2-a movable hinge body; 21-a load-bearing arm; 22-waist-shaped holes; 3-permanent magnets; 4-a fixed hinge shell; 41-mounting slots; 42-ear groove; 5-fixing the inner seat of the hinge; 51-adjusting ear; 52-arc step groove; 6-adjusting screws; 61-washers; 7-a safety screw; 8-angle arm; 9-gap arm.
Detailed Description
The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and the described embodiments are only some embodiments, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any creative effort based on the embodiments of the present embodiment are all within the protection scope of the present solution.
Example 1
As shown in fig. 1 to 3, the present embodiment designs a blind hinge for a door, which includes a fixed hinge assembly, a movable hinge assembly, a bearing arm 21, an angle arm 8, a gap arm 9, and the like.
The movable hinge assembly comprises two main parts of a movable hinge seat 1 and a movable hinge body 2; the movable hinged support 1 is in a strip shape, screw holes are formed in two ends of the movable hinged support 1, when the movable hinged support 1 is installed in a hidden hinge mode, the two ends of the movable hinged support 1 are fixed to the side edges of a door leaf through screws penetrating through the screw holes, an adjusting groove is formed in the back side of the movable hinged support 1, and inner threaded holes are formed in the two ends of the adjusting groove; the movable hinge body 2 is detachably arranged in the adjusting groove, meanwhile, the length of the movable hinge body 2 is smaller than that of the adjusting groove, the movable hinge body 2 can be adjusted in the adjusting groove in the vertical position, waist-shaped holes 22 are formed in the upper end and the lower end of the movable hinge body 2, fastening screws penetrating through the waist-shaped holes 22 and in threaded fit with the internal threaded holes can fix the relative positions of the movable hinge seat 1 and the movable hinge body 2.
The fixed hinge assembly comprises a fixed hinge outer shell 4 and a fixed hinge inner seat 5; the front side of the fixed hinge housing 4 is provided with a mounting groove 41, an upper groove wall and a lower groove wall of the mounting groove 41 are respectively provided with a fixed hinge inner seat 5, and the fixed hinge inner seat 5 is detachably and fixedly connected with the fixed hinge housing 4, and in addition, the following needs to be described: an upper part and a lower part of an integrally formed inner shell can be arranged between the two fixed hinge inner seats 5; the angle arm 8 and the clearance arm 9 are rotatably connected between the two fixed hinge inner seats 5, and a containing cavity is formed between the two fixed hinge inner seats 5, so that a rotating shaft system formed by the bearing arm 21, the angle arm 8, the clearance arm 9 and the like is conveniently contained. Both the front and left sides of the receiving groove should have openings to facilitate the receiving and unfolding of the rotating shaft system. When the hinge fixing device is used, the groove is formed in the door frame, and the rear part of the hinge fixing shell 4 is inserted into the groove, so that the hinge fixing assembly is fixed on the door frame.
In order to facilitate the adjustment of the relative positions of the fixed hinge inner seat 5 and the fixed hinge outer shell 4, the upper side of the upper groove wall and the lower side of the lower groove wall of the mounting groove 41 are respectively provided with an ear groove 42, and the side surface of the ear groove 42 is communicated with the mounting groove 41; the opposite side surfaces of the two fixed hinge inner seats 5 are respectively provided with an adjusting lug 51, and when the fixed hinge inner seats 5 are matched with the fixed hinge shell 4, the adjusting lugs 51 are embedded into the lug grooves 42; a washer 61 is provided at the bottom of the ear groove 42, the washer 61 may be a copper pad and fixed to the inner bottom or outer bottom of the ear groove 42, an adjusting screw 6 is screwed to the adjusting ear 51, the tip of the adjusting screw 6 is cylindrical, and the cylindrical portion is rotatably fitted with the washer 61, so that the adjusting screw 6 can rotate relative to the hinge housing 4 without axial movement, and when the adjusting screw 6 rotates, the hinge inner seat 5 can be driven to move relative to the hinge housing 4, thereby adjusting the depth position of the hinge inner seat 5 in the mounting groove 41.
In addition, an arc-shaped step groove 52 is arranged at the side edge of the adjusting lug 51; the nut of the screw attached to the hinge housing 4 can be abutted against the arc-shaped stepped groove 52 to lock the adjusting lug 51.
In order to realize the relative rotation of the fixed hinge assembly and the movable hinge assembly, the bearing arm 21 is fixed on the back side of the movable hinge assembly, specifically, the front end of the bearing arm 21 is fixedly connected with the back side of the movable hinge support 1, and the bearing arm 21 and the movable hinge support 1 can also be of an integrally formed structure; the middle part of the bearing arm 21 is bent and is rotationally connected with the front end of the angle arm 8, and the rear end of the bearing arm 21 is rotationally connected with the front end of the gap arm 9; the fixed hinge assembly is provided with a containing cavity for containing the bearing arm 21, the angle arm 8 and the clearance arm 9; the rear ends of the angle arms 8 and the rear ends of the clearance arms 9 are respectively connected between the upper cavity wall and the lower cavity wall of the accommodating cavity in a rotating mode. The rear end of the angle arm 8 is positioned on the front side of the rear end of the clearance arm 9; the clearance arm 9 is L-shaped and is provided with an avoidance notch for avoiding the rear end of the angle arm 8. The length of the angle arm 8 and the length of the gap arm 9 each accommodate the width of the cavity.
The corresponding rotation joints of the bearing arm 21, the angle arm 8, the clearance arm 9 and the fixed hinge inner seat 5 are respectively provided with a rotation shaft, specifically, the middle part of the bearing arm 21 is in rotation connection with the front end of the angle arm 8 through a first rotation shaft, the rear end of the angle arm 8 is in rotation connection with the fixed hinge inner seat 5 through a second rotation shaft, the front end of the clearance arm 9 is in rotation connection with the rear end of the bearing arm 21 through a third rotation shaft, and the rear end of the clearance arm 9 is in rotation connection with the fixed hinge inner seat 5 through a fourth rotation shaft. The rotating shaft system composed of the bearing arm 21, the angle arm 8 and the clearance arm 9 can be formed into a multi-shaft structure, the space occupation of the rotating shaft system on the width of the hinge can be reduced when the rotating shaft system rotates into the accommodating cavity, and the extending length of the shaft arm can be enabled to be larger when the rotating shaft system rotates out of the accommodating cavity, so that the change of the shaft system on the horizontal length is realized.
When the rotary shaft system rotates to the accommodating groove, the movable hinge assembly not only rotates, but also is close to the fixed hinge assembly, and when the rotary shaft system rotates to the outside of the accommodating groove, the movable hinge assembly not only rotates, but also is far away from the fixed hinge assembly, so that the moving track of the movable hinge assembly can be similar to an involute, and the fixed hinge assembly and the movable hinge assembly are in the embedded state on the door leaf and the door frame, the door leaf is ensured to not collide with the edges of the door leaf and the door frame on two sides of the width direction of the hidden hinge in the opening and closing process, and the safety in the opening and closing process is ensured. Meanwhile, the overall length of the rotary shaft system can be subjected to telescopic change in a switching state, so that the movable hinge assembly can be ensured to extend out for a sufficient distance under the condition that the width of the fixed hinge assembly is narrower.
In addition, the front side of the fixed hinge assembly and the rear side of the movable hinge assembly can be respectively embedded with a permanent magnet 3, and the permanent magnet is magnetically attracted with a corresponding decorative cover, so that the screw is shielded, and the attractiveness of the leakage part of the hidden hinge is improved.
When the hidden hinge structure in this embodiment is used on the door, can make the door leaf at the in-process of opening, can guarantee the safety clearance with the door frame, simultaneously after opening, the track of rotational axis system is spacing to appointed within range to make the door leaf can not pass through the outer turn and extrude the door frame.
The above examples are presented for the purpose of illustration only and are not intended to be limiting of the embodiments; it is not necessary here nor is it exhaustive of all embodiments. And obvious variations or modifications thereof are contemplated as falling within the scope of the present technology.
Claims (10)
1. A door blind hinge is characterized in that: comprises a fixed hinge component, a movable hinge component, a bearing arm (21), an angle arm (8) and a clearance arm (9); the bearing arm (21) is fixed on the back side of the movable hinge assembly; the middle part of the bearing arm (21) is rotationally connected with the front end of the angle arm (8), and the rear end of the bearing arm (21) is rotationally connected with the front end of the clearance arm (9); the fixed hinge assembly is provided with a containing cavity for containing the bearing arm (21), the angle arm (8) and the gap arm (9); the rear end of the angle arm (8) and the rear end of the clearance arm (9) are respectively connected between the upper cavity wall and the lower cavity wall of the accommodating cavity in a rotating mode.
2. The door blind hinge according to claim 1, wherein: the rear end of the angle arm (8) is positioned at the front side of the rear end of the clearance arm (9); the clearance arm (9) is L-shaped and is provided with an avoidance notch for avoiding the rear end of the angle arm (8).
3. The door blind hinge according to claim 1, wherein: the length of the angle arm (8) and the length of the clearance arm (9) both accommodate the width of the cavity.
4. The door blind hinge according to claim 1, wherein: the middle part of the bearing arm (21) is bent.
5. A door blind hinge according to any of claims 1-4, wherein: the movable hinge assembly comprises a movable hinge seat (1) and a movable hinge body (2); the movable hinged support (1) is in a strip shape, and an adjusting groove is formed in the back side of the movable hinged support (1); the movable hinge body (2) is detachably arranged in the adjusting groove and can adjust the upper and lower positions; the front end of the bearing arm (21) is fixedly connected with the movable hinged support (1).
6. The door blind hinge according to claim 5, wherein: waist-shaped holes (22) are formed in the upper end and the lower end of the movable hinge body (2).
7. A door blind hinge according to any of claims 1-4, wherein: the fixed hinge assembly comprises a fixed hinge outer shell (4) and a fixed hinge inner seat (5); the fixed hinge shell (4) is provided with a mounting groove (41), and fixed hinge inner seats (5) are respectively arranged at the upper groove wall and the lower groove wall of the mounting groove (41); the angle arm (8) and the clearance arm (9) are rotatably connected between the two fixed hinge inner seats (5), and the accommodating cavity is also formed between the two fixed hinge inner seats (5).
8. The door blind hinge according to claim 7, wherein: the corresponding rotation joints of the bearing arm (21), the angle arm (8), the clearance arm (9) and the fixed hinge inner seat (5) are respectively provided with a rotation shaft.
9. The door blind hinge according to claim 7, wherein: ear grooves (42) are respectively arranged at the upper groove wall and the lower groove wall of the mounting groove (41); an adjusting lug (51) is arranged on the fixed hinge inner seat (5), and the adjusting lug (51) is embedded in the lug groove (42); a gasket (61) is arranged at the bottom of the ear groove (42), and an adjusting screw (6) is connected with the adjusting ear (51) in a threaded manner; the tip of the adjusting screw (6) is columnar and is in running fit with the gasket (61); an arc-shaped step groove (52) is formed in the side edge of the adjusting lug (51); the nut of the screw connected to the fixed hinge housing (4) can be abutted against the arc-shaped step groove (52) to lock the adjusting lug (51).
10. A door blind hinge according to any of claims 1-4, wherein: permanent magnets (3) are respectively embedded in the front side of the fixed hinge assembly and the rear side of the movable hinge assembly, and corresponding decorative covers are magnetically attracted on the permanent magnets.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321391431.6U CN220059253U (en) | 2023-06-01 | 2023-06-01 | Hidden hinge for door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321391431.6U CN220059253U (en) | 2023-06-01 | 2023-06-01 | Hidden hinge for door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220059253U true CN220059253U (en) | 2023-11-21 |
Family
ID=88762984
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321391431.6U Active CN220059253U (en) | 2023-06-01 | 2023-06-01 | Hidden hinge for door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220059253U (en) |
-
2023
- 2023-06-01 CN CN202321391431.6U patent/CN220059253U/en active Active
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| GR01 | Patent grant |