CN221322101U - Anti-sagging top-bottom hinge - Google Patents
Anti-sagging top-bottom hinge Download PDFInfo
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- CN221322101U CN221322101U CN202323187619.1U CN202323187619U CN221322101U CN 221322101 U CN221322101 U CN 221322101U CN 202323187619 U CN202323187619 U CN 202323187619U CN 221322101 U CN221322101 U CN 221322101U
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Abstract
The utility model discloses an anti-sagging top-bottom hinge, which comprises a hinge head structure, a hinge body structure and a door plate opening and closing connecting piece, wherein the hinge head structure comprises a hinge head shell, a hinge head connecting seat, an anti-sagging adjusting slide block, a hinge head adjusting screw, an installation positioning screw and two directional shafts; the hinge head shell is provided with an installation cavity, and the side surface of the hinge head shell is provided with an adjusting cavity; the anti-sagging adjusting slide seat is arranged in the adjusting cavity and is internally provided with an inclined guide groove; the hinge head adjusting screw penetrates through the sagging-preventing adjusting sliding block and is connected to the hinge head shell through the limiting ring. The anti-sagging adjusting slide block is reasonable in structural arrangement, is movably arranged in the anti-sagging adjusting slide seat, can be lifted in the anti-sagging adjusting slide seat under the action of the hinge head adjusting screw during use, can realize anti-sagging adjustment of the door plate, and is beneficial to improving the use stability and reliability.
Description
Technical Field
The utility model belongs to the technical field of a top-bottom hinge, and particularly relates to an anti-sagging top-bottom hinge.
Background
The top-bottom hinge is one of hinges, the shell and the movable part of the existing market products are made of zinc alloy, oxidation is easy to generate when the existing market products are contacted with air in the practical application process, the existing market products become fragile and easy to break for a long time, the problem that a door plate falls off under the condition of breakage, and swing is easy to occur, so that the technical problem that the door plate cannot be closed due to loosening is easy to occur;
The Chinese patent publication number is: CN217380166U, patent name: a top-bottom hinge with an adjustable opening and closing force function aims to solve the problems that an existing top-bottom hinge is too fast in closing process and lacks buffering; the key points of the technical scheme are as follows: the hinge box comprises an upper shell and a lower shell, wherein the upper shell and the lower shell enclose a mounting cavity, and an opening is formed in the mounting cavity; the hinge cup is internally provided with a mounting piece; one end of the driving mechanism is rotatably arranged in the hinge cup, the other end of the driving mechanism passes through the opening and is fixed in the mounting cavity, and the driving mechanism can rotate around the fixing part; the opening and closing mechanism is arranged in the mounting cavity and is abutted with the driving mechanism; and the buffer mechanism is arranged in the mounting cavity and connected with the driving mechanism and used for providing buffer in the opening and closing process of the hinge cup.
Although the hinge can meet the use requirements of general conditions, in the practical application process, as the hinge is rotationally closed when being closed, when the hinge is closed to about 30-45 degrees, the hinge can generate side resistance, and the connecting position of the door plate can be subjected to side resistance and self gravity in the opening process, the condition of door plate sagging is easily caused when the hinge is used for a long time, the use stability and reliability are affected, and therefore the applicability and the practicability are limited.
Disclosure of Invention
The utility model aims to provide a sagging-preventing top-bottom hinge which is reasonable in structural arrangement and beneficial to preventing a door plate from sagging.
The technical scheme for achieving the purpose of the utility model is that the anti-sagging top-bottom hinge comprises a hinge head structure and a hinge body structure, wherein a rotatable door plate opening-closing connecting piece is arranged between the hinge head structure and the hinge body structure, and the hinge head structure comprises a hinge head shell, a hinge head connecting seat, an anti-sagging adjusting sliding block, a hinge head adjusting screw, an installation positioning screw and two directional shafts;
The hinge head shell is provided with an installation cavity, and the side surface of the hinge head shell is provided with an adjusting cavity communicated with the installation cavity;
The hinge head connecting seat is fixed in the mounting cavity through two directional shafts, the anti-sagging adjusting sliding seat is arranged in the adjusting cavity, and the anti-sagging adjusting sliding seat is fixed on the side part of the hinge head connecting seat through a mounting and positioning screw;
The end part of the door plate opening and closing connecting piece is rotatably connected in the hinge head connecting seat through a movable shaft;
An inclined guide groove is formed in the anti-sagging adjusting sliding seat, and the shape of the anti-sagging adjusting sliding block is matched with the shape of the inclined guide groove;
The hinge head adjusting screw penetrates through the sagging-preventing adjusting sliding block and is connected to the hinge head shell through the limiting ring;
When the hinge head adjusting screw rotates, the anti-sagging adjusting slide block moves in the inclined guide groove to realize anti-sagging adjustment.
Further preferred are: the hinge body structure comprises a first hinge shell, a second hinge shell, a first bracket piece, a second bracket piece, a bracket seat, a thrust spring structure and a hydraulic buffer structure;
the first hinge shell and the second hinge shell are fixed through screws, the bracket seat is arranged between the first hinge shell and the second hinge shell, and the end parts of the first bracket sheet and the second bracket sheet are arranged on the bracket seat;
The end part of the door plate opening and closing connecting piece is rotatably connected between the first bracket piece and the second bracket piece;
the thrust spring structure and the hydraulic buffer structure are arranged between the bracket seat and the door plate opening and closing connecting piece.
Further preferred are: the hydraulic buffer structure comprises a hydraulic buffer and a buffer movable protection seat;
The buffer movable protection seat is fixed between the first bracket piece and the second bracket piece;
the piston shaft of the hydraulic buffer is abutted on the bracket seat, and the tail end of the cylinder body of the hydraulic buffer is abutted on the end part of the door plate opening and closing connecting piece;
The buffer movable protection seat is provided with a guide groove; the cylinder body of the hydraulic buffer is slidably arranged in the guide groove.
Further preferred are: limiting bosses are arranged on the top surface and the bottom surface of the support seat;
The first bracket piece and the second bracket piece are respectively provided with a strip-shaped limiting groove;
The first bracket piece and the second bracket piece are respectively attached to the top surface and the bottom surface of the bracket seat, and the limit boss is movably arranged in the strip-shaped limit groove;
When the door plate opening and closing connecting piece is opened, the first support piece and the second support piece are driven to integrally translate, the thrust spring structure and the hydraulic buffer are driven to act, and the translation limiting is carried out through the limiting boss.
Further preferred are: the thrust spring structure comprises a spring, a thrust rod and a spring swinging support;
The spring is sleeved on the thrust rod, and the spring swinging support is sleeved on the end part of the thrust rod, which is close to the support seat;
The thrust rod is abutted on the door plate opening and closing connecting piece, and the spring swing support is abutted on the support seat.
Further preferred are: the door plate opening and closing connecting piece comprises a first connecting piece and a second connecting piece;
One end of the first connecting piece is rotatably connected to the tops of the first bracket piece and the second bracket piece through a movable shaft;
The bottom of the second connecting piece is provided with an abutting boss and an abutting convex strip;
The lower part of the second connecting piece is rotatably connected to the middle parts of the first bracket piece and the second bracket piece through a pin shaft, the abutting boss abuts against the end part of the thrust rod, and the abutting convex strip abuts against the cylinder bottom of the hydraulic buffer.
Further preferred are: the top of the first hinge housing is provided with a door back clearance adjusting screw connected with the bracket seat.
Further preferred are: the tops of the first bracket piece and the second bracket piece are provided with kidney-shaped groove adjusting pieces, and two ends of the kidney-shaped groove of each kidney-shaped groove adjusting piece extend to the first bracket piece and the second bracket piece respectively;
the top of the first hinge shell is provided with a left-right adjusting eccentric screw connected with the kidney-shaped groove adjusting piece;
The left and right adjusting eccentric screw rotates to enable the first bracket piece and the second bracket piece to integrally move left and right.
The utility model has the positive effects that: the anti-sagging adjusting slide seat is provided with the anti-sagging adjusting slide seat, the anti-sagging adjusting slide block, the hinge head adjusting screw and the installation positioning screw, and is matched with the adjusting cavity in the hinge head connecting seat, so that the anti-sagging adjusting slide seat can be arranged in the adjusting cavity quickly, the anti-sagging adjusting slide block can be arranged in the anti-sagging adjusting slide seat in a movable mode, and the anti-sagging adjusting slide block can be lifted in the anti-sagging adjusting slide seat under the action of the hinge head adjusting screw during use, so that the anti-sagging adjustment of the door panel can be realized, and the stability and the reliability of use are improved.
Drawings
In order that the utility model may be more readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments that are illustrated in the appended drawings, in which:
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of the internal structure of the second hinge housing of the present utility model with the second hinge housing removed;
FIG. 3 is a schematic diagram of an explosive structure according to the present utility model;
Fig. 4 is a schematic structural view of an anti-sagging adjusting slide and an anti-sagging adjusting slide according to the present utility model.
Reference numerals: the hinge head structure 1, a hinge head shell 11, a hinge head connecting seat 12, an anti-sagging adjusting slide seat 13, an anti-sagging adjusting slide block 14, a hinge head adjusting screw 15, an installing and positioning screw 16, an orientation shaft 17, an installing cavity 18, an adjusting cavity 19, a movable shaft 110, an inclined guide groove 111 and a limiting ring 112;
The hinge body structure 2, the first hinge housing 21, the second hinge housing 22, the first bracket piece 23, the second bracket piece 24, the bracket seat 25, the thrust spring structure 26, the spring 261, the thrust rod 262, the spring swing support 263, the hydraulic buffer structure 27, the hydraulic buffer 271, the buffer movable protection seat 272 and the guide groove 273;
The door panel opening and closing connector 3, the first connector 31, the second connector 32, the abutting boss 33 and the abutting convex strip 34;
The device comprises a limiting boss 4, a bar-shaped limiting groove 5, a door back gap adjusting screw 6, a kidney-shaped groove adjusting piece 7 and a left-right adjusting eccentric screw 8.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1 to 4, an anti-sagging top-bottom hinge includes a hinge head structure 1 and a hinge body structure 2, wherein a rotatable door panel opening and closing connector 3 is disposed between the hinge head structure 1 and the hinge body structure 2, and in this embodiment, the installation manner is a conventional installation manner in the prior art, and is not described in detail.
In this embodiment, the hinge head structure 1 includes a hinge head shell 11, a hinge head connecting seat 12, a sag preventing adjusting slide 13, a sag preventing adjusting slide block 14, a hinge head adjusting screw 15, an installation positioning screw 16 and two orientation shafts 17; the hinge head case 11 is a metal structure, and the sag prevention adjusting slider 13 and the sag prevention adjusting slider 14 are metal structures.
In this embodiment, the hinge head housing 11 is provided with a mounting cavity 18, and a side surface of the hinge head housing 11 is provided with an adjusting cavity 19 communicated with the mounting cavity 18; in this embodiment, the size of the adjusting cavity 19 is matched with the size of the anti-sagging adjusting slide 13.
During installation, the hinge head connecting seat 12 is fixed in the installation cavity 18 through two directional shafts 17, the anti-sagging adjusting slide seat 13 is arranged in the adjusting cavity 19, and the anti-sagging adjusting slide seat 13 is fixed on the side part of the hinge head connecting seat 12 through an installation positioning screw 16;
Meanwhile, the end part of the door plate opening and closing connecting piece 3 is rotatably connected in the hinge head connecting seat 12 through a movable shaft 110; an inclined guide groove 111 is formed in the anti-sagging adjusting slide 13, and the shape of the anti-sagging adjusting slide 14 is matched with the shape of the inclined guide groove 111; when in use, the anti-sagging adjusting slide 13 is fixed in the adjusting cavity 19, so when the anti-sagging adjusting slide 14 is used, the anti-sagging adjusting slide 14 can lift in the inclined guiding groove 111, thereby realizing anti-sagging adjustment.
The hinge head adjusting screw 15 passes through the sagging-preventing adjusting slide block 14 and is connected to the hinge head shell 11 through the limiting ring 112; when the hinge head adjusting screw 15 is rotated, the sagging preventing adjusting slider 14 moves in the inclined guide groove 111 to realize sagging preventing adjustment.
The hinge body structure 2 comprises a first hinge housing 21, a second hinge housing 22, a first bracket piece 23, a second bracket piece 24, a bracket seat 25, a thrust spring structure 26 and a hydraulic buffer structure 27; in this embodiment, the first hinge housing 21 and the second hinge housing 22 are metal structures, and the first hinge housing 21 and the second hinge housing 22 are fixed by screws, and the support seat may be a metal structure or a plastic structure, and the first support sheet and the second support sheet are metal structures, and have a thinner thickness, and mainly act when the door panel opening and closing connector acts, and are buffered by the abutting thrust spring structure and the hydraulic buffer structure, so as to ensure the stability of use.
In the practical application process, the bracket seat 25 is arranged between the first hinge housing 21 and the second hinge housing 22, and the ends of the first bracket piece 23 and the second bracket piece 24 are arranged on the bracket seat 25; the end part of the door plate opening and closing connecting piece 3 is rotatably connected between the first bracket piece 23 and the second bracket piece 24; the thrust spring structure 26 and the hydraulic buffer structure 27 are arranged between the bracket seat 25 and the door panel opening and closing connector 3.
In a practical application process, the hydraulic buffer structure 27 includes a hydraulic buffer 271 and a buffer movable protection seat 272; the buffer movable protection seat 272 is fixed between the first bracket piece 23 and the second bracket piece 24; the piston shaft of the hydraulic buffer 271 is abutted against the bracket seat 25, and the tail end of the cylinder body of the hydraulic buffer 271 is abutted against the end part of the door plate opening and closing connector 3; the buffer movable protection seat 272 is provided with a guide groove 273; the cylinder of the hydraulic damper 271 is slidably disposed in the guide groove 273. In this embodiment, the bottom of the hydraulic buffer abuts against the door plate opening and closing connector, and in the practical application process, the wall thickness of the tail end of the cylinder body of the hydraulic buffer 271 is greater than the wall thickness of the side wall of the cylinder body. The wall thickness of the tail part is increased, so that the situation of damage caused by pushing can be avoided, and the guide groove is formed in the buffer activity guarantee seat, so that the cylinder body of the hydraulic buffer can be prevented from inclining or shifting when moving, the situation of oil leakage caused by damage or deformation of the piston shaft of the hydraulic buffer can be avoided, and the use stability and reliability of the hydraulic buffer can be improved.
In order to improve the installation convenience of the first bracket piece and the second bracket piece, the top surface and the bottom surface of the bracket seat 25 are provided with limiting bosses 4; the first bracket piece 23 and the second bracket piece 24 are provided with strip-shaped limiting grooves 5; the first bracket piece 23 and the second bracket piece 24 are respectively attached to the top surface and the bottom surface of the bracket seat 25, and the limit boss 4 is movably arranged in the strip-shaped limit groove 5;
When the door plate opening and closing connecting piece 3 is opened, the first bracket piece 23 and the second bracket piece 24 are driven to integrally translate, the thrust spring structure 26 and the hydraulic buffer 271 are driven to act, and the translation limiting is carried out through the limiting boss 4. When the device is used, the device is limited through the strip-shaped limiting grooves and the limiting bosses, so that damage is avoided.
In the practical application process, the thrust spring structure 26 comprises a spring 261, a thrust rod 262 and a spring swinging bracket 263; the spring 261 is sleeved on the thrust rod 262, and the spring swinging support 263 is sleeved on the end part of the thrust rod 262, which is close to the bracket seat 25; the thrust rod 262 is abutted against the door plate opening and closing connector 3, and the spring swing support 263 is abutted against the bracket seat 25. The spring swing support is mainly used for supporting the spring so as to ensure that the spring is stable in position during compression and is not easy to deform or damage.
In the practical application process, the door plate opening and closing connecting piece 3 comprises a first connecting piece 31 and a second connecting piece 32; one end of the first connecting member 31 is rotatably connected to the top of the first bracket piece 23 and the second bracket piece 24 through a movable shaft 110; the bottom of the second connecting piece 32 is provided with an abutting boss 33 and an abutting convex strip 34; the lower part of the second connecting piece 32 is rotatably connected to the middle parts of the first bracket piece 23 and the second bracket piece 24 through a pin shaft, the abutting boss 33 abuts against the end part of the thrust rod 262, and the abutting raised strip 34 abuts against the cylinder bottom of the hydraulic buffer 271. The structure is a conventional structure in the prior art, and the first connecting piece and the second connecting piece are metal structures, so that the integral strength can be ensured, and the structure is not easy to deform.
The top of the first hinge housing 21 is provided with a door back clearance adjusting screw 6 connected with the bracket seat 25. The tops of the first bracket piece 23 and the second bracket piece 24 are provided with a kidney-shaped groove adjusting piece 7, and two ends of a kidney-shaped groove of the kidney-shaped groove adjusting piece 7 extend to the first bracket piece 23 and the second bracket piece 24 respectively; the top of the first hinge housing 21 is provided with a left and right adjusting eccentric screw 8 connected with the kidney-shaped groove adjusting piece 7; the left-right adjustment eccentric screw 8 rotates to move the first bracket piece 23 and the second bracket piece 24 in the left-right direction as a whole. Through the structure, the installation and adjustment can be realized, so that the application range of the device is improved.
The anti-sagging adjusting slide seat is provided with the anti-sagging adjusting slide seat, the anti-sagging adjusting slide block, the hinge head adjusting screw and the installation positioning screw, and is matched with the adjusting cavity in the hinge head connecting seat, so that the anti-sagging adjusting slide seat can be arranged in the adjusting cavity quickly, the anti-sagging adjusting slide block can be arranged in the anti-sagging adjusting slide seat in a movable mode, and the anti-sagging adjusting slide block can be lifted in the anti-sagging adjusting slide seat under the action of the hinge head adjusting screw during use, so that the anti-sagging adjustment of the door panel can be realized, and the stability and the reliability of use are improved.
The standard components used in this embodiment may be purchased directly from the market, but the nonstandard structural components described in the specification may also be obtained directly by unambiguous processing according to the common general knowledge in the prior art, and meanwhile, the connection manner of each component adopts the conventional means mature in the prior art, and the machinery, the components and the equipment all adopt the conventional types in the prior art, so that no specific description will be made here.
It is to be understood that the above examples of the present utility model are provided by way of illustration only and not by way of limitation of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While those obvious variations or modifications which come within the spirit of the utility model remain within the scope of the utility model.
Claims (8)
1. The utility model provides a prevent sagging world hinge, includes hinge head structure (1) and hinge body structure (2), be provided with rotatable door plant connecting piece (3) that opens and shuts between hinge head structure (1) and hinge body structure (2), its characterized in that: the hinge head structure (1) comprises a hinge head shell (11), a hinge head connecting seat (12), an anti-sagging adjusting sliding seat (13), an anti-sagging adjusting sliding block (14), a hinge head adjusting screw (15), an installation positioning screw (16) and two directional shafts (17);
The hinge head shell (11) is provided with a mounting cavity (18), and the side surface of the hinge head shell (11) is provided with an adjusting cavity (19) communicated with the mounting cavity (18);
The hinge head connecting seat (12) is fixed in the mounting cavity (18) through two directional shafts (17), the anti-sagging adjusting sliding seat (13) is arranged in the adjusting cavity (19), and the anti-sagging adjusting sliding seat (13) is fixed on the side part of the hinge head connecting seat (12) through a mounting positioning screw (16);
the end part of the door plate opening and closing connecting piece (3) is rotatably connected in the hinge head connecting seat (12) through a movable shaft (110);
An inclined guide groove (111) is formed in the anti-sagging adjusting sliding seat (13), and the shape of the anti-sagging adjusting sliding block (14) is matched with the shape of the inclined guide groove (111);
the hinge head adjusting screw (15) passes through the sagging-preventing adjusting slide block (14) and is connected to the hinge head shell (11) through the limiting ring (112);
when the hinge head adjusting screw (15) rotates, the anti-sagging adjusting slide block (14) moves in the inclined guide groove (111) to realize anti-sagging adjustment.
2. The sagging-prevention heaving hinge of claim 1, wherein: the hinge body structure (2) comprises a first hinge shell (21), a second hinge shell (22), a first bracket piece (23), a second bracket piece (24), a bracket seat (25), a thrust spring structure (26) and a hydraulic buffer structure (27);
The first hinge housing (21) and the second hinge housing (22) are fixed through screws, the bracket seat (25) is arranged between the first hinge housing (21) and the second hinge housing (22), and the end parts of the first bracket sheet (23) and the second bracket sheet (24) are arranged on the bracket seat (25);
The end part of the door plate opening and closing connecting piece (3) is rotatably connected between the first bracket piece (23) and the second bracket piece (24);
The thrust spring structure (26) and the hydraulic buffer structure (27) are arranged between the bracket seat (25) and the door plate opening and closing connecting piece (3).
3. A sagging-preventive world hinge as claimed in claim 2, wherein: the hydraulic buffer structure (27) comprises a hydraulic buffer (271) and a buffer movable protection seat (272);
the buffer movable protection seat (272) is fixed between the first bracket piece (23) and the second bracket piece (24);
the piston shaft of the hydraulic buffer (271) is abutted against the bracket seat (25), and the tail end of the cylinder body of the hydraulic buffer (271) is abutted against the end part of the door plate opening and closing connecting piece (3);
A guide groove (273) is formed in the buffer movable protection seat (272); the cylinder body of the hydraulic damper (271) is slidably disposed in the guide groove (273).
4. A sagging-preventive world hinge as claimed in claim 3, wherein: limiting bosses (4) are arranged on the top surface and the bottom surface of the bracket seat (25);
The first bracket piece (23) and the second bracket piece (24) are provided with strip-shaped limiting grooves (5);
The first bracket piece (23) and the second bracket piece (24) are respectively attached to the top surface and the bottom surface of the bracket seat (25), and the limit boss (4) is movably arranged in the strip-shaped limit groove (5);
When the door plate opening and closing connecting piece (3) is opened, the first bracket piece (23) and the second bracket piece (24) are driven to integrally translate, the thrust spring structure (26) and the hydraulic buffer (271) are driven to act, and the translation is limited through the limiting boss (4).
5. The sagging-resistant heaving and earth hinge of claim 4, wherein: the thrust spring structure (26) comprises a spring (261), a thrust rod (262) and a spring swinging bracket (263);
the spring (261) is sleeved on the thrust rod (262), and the spring swinging support (263) is sleeved on the end part of the thrust rod (262) close to the support seat (25);
The thrust rod (262) is abutted on the door plate opening and closing connecting piece (3) and the spring swinging support (263) is abutted on the support seat (25).
6. The sagging-resistant heaving and earth hinge of claim 5, wherein: the door plate opening and closing connecting piece (3) comprises a first connecting piece (31) and a second connecting piece (32);
One end of the first connecting piece (31) is rotatably connected to the tops of the first bracket piece (23) and the second bracket piece (24) through a movable shaft (110);
The bottom of the second connecting piece (32) is provided with an abutting boss (33) and an abutting convex strip (34);
The lower part of the second connecting piece (32) is rotatably connected to the middle parts of the first bracket piece (23) and the second bracket piece (24) through a pin shaft, the abutting boss (33) abuts against the end part of the thrust rod (262), and the abutting convex strip (34) abuts against the cylinder bottom of the hydraulic buffer (271).
7. The sagging-resistant heaving and earth hinge of claim 6, wherein: the top of the first hinge housing (21) is provided with a back clearance adjusting screw (6) connected with the bracket seat (25).
8. The sagging-resistant heaving and earth hinge of claim 7, wherein: the tops of the first bracket piece (23) and the second bracket piece (24) are provided with kidney-shaped groove adjusting pieces (7), and two ends of the kidney-shaped groove of each kidney-shaped groove adjusting piece (7) extend to the first bracket piece (23) and the second bracket piece (24) respectively;
The top of the first hinge shell (21) is provided with a left-right adjusting eccentric screw (8) connected with the kidney-shaped groove adjusting piece (7);
The left and right adjusting eccentric screw (8) rotates to enable the first bracket piece (23) and the second bracket piece (24) to move left and right integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323187619.1U CN221322101U (en) | 2023-11-24 | 2023-11-24 | Anti-sagging top-bottom hinge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323187619.1U CN221322101U (en) | 2023-11-24 | 2023-11-24 | Anti-sagging top-bottom hinge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221322101U true CN221322101U (en) | 2024-07-12 |
Family
ID=91800606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323187619.1U Active CN221322101U (en) | 2023-11-24 | 2023-11-24 | Anti-sagging top-bottom hinge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221322101U (en) |
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2023
- 2023-11-24 CN CN202323187619.1U patent/CN221322101U/en active Active
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