CN218150426U

CN218150426U - External damping hinge

Info

Publication number: CN218150426U
Application number: CN202220804745.3U
Authority: CN
Inventors: 杨朝伟; 莫陆坪
Original assignee: Dongguan Dingtai Electric Appliance Co ltd
Current assignee: Dongguan Dingtai Electric Appliance Co ltd
Priority date: 2022-04-08
Filing date: 2022-04-08
Publication date: 2022-12-27
Anticipated expiration: 2032-04-08

Abstract

The utility model discloses an external damping hinge, include: hinge main part and swing head, the outside detachable assembly of hinge main part an external damper, external damper includes: a damper bracket and a damper; the swing head has an unfolding state and a closing state relative to the hinge main body; in the process of switching the swing head from the unfolding state to the closing state, the swing head is abutted against the damper and compresses the damper, so that the swing head is slowly closed. The utility model mainly arranges an external damper outside the common hinge selectively, and can switch between the common hinge and the damping hinge, thereby meeting the use requirements of different users, having low manufacturing and production cost and reliable performance; the external damper and the hinge main body are relatively simple to assemble, the hook is pre-installed, the trouble of correcting the screw hole is avoided, the screw hole is automatically aligned after pre-installation, and the hinge main body is locked through the screw.

Description

External damping hinge

Technical Field

The utility model relates to a hinge technical field, more specifically the utility model relates to an external damping hinge that says so.

Background

Hinges, also known as hinges, are mechanical devices used to connect two solids and allow rotation between them, and may be constructed of movable components or of foldable materials.

Hinges are often used in some kitchen appliances, for example: microwave ovens, etc.; and the hinge generally comprises the following structure: the shell, install sliding support and head in the shell, the head has the first connecting portion of connecting in the shell and the second connecting portion of being connected with sliding support, and second connecting portion all are stamping forming's orbit groove usually to be provided with the pin joint pole in the orbit inslot, install the extension spring between sliding support's top and the top of shell, its theory of use is: when the head swings, the head rotates around the first connecting part connected with the shell, the rotating process drives the sliding support to move downwards together with the pivoting rod, the tension spring is stretched, and when the head resets, the head resets through the acting force of the tension spring.

The applicant has applied for patent No. CN202121478616.1, a high load bearing double compression spring horizontal hinge, comprising: hinge shell, rotatable coupling in the swing arm of hinge shell front end, assemble in inside main pressure spring subassembly and the inner support subassembly of hinge shell, main pressure spring subassembly includes: a main compression spring and a main compression spring guide rod; the swing arm is connected with the main pressure spring through an inner support assembly;

and once applied for patent No. CN202022663932.8, a compression spring type bidirectional damping buffer hinge comprises: the swinging head is rotatably connected to one end of the shell, a guide rod, a damper and a connecting bracket are arranged in the shell, and a main pressure spring is sleeved at one end, extending out of the top of the shell, of the guide rod; the connecting bracket is connected between the guide rod and the swinging head.

In the above two patents, CN202121478616.1 is not provided with a damper, and CN202022663932.8 is provided with a damper, the damper is used for buffering and making the swinging head swing slowly, but at the same time, the damper of CN202022663932.8 is installed inside the housing, and neither patent can selectively install or remove the damper and cannot be used selectively.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides an external damping hinge.

In order to realize the purpose, the utility model adopts the following technical scheme: external damping hinge includes: hinge main part and swing head, the hinge main part outside can dismantle an external attenuator of assembly, external attenuator includes: a damper bracket and a damper; the swing head has an unfolding state and a closing state relative to the hinge main body; in the process of switching the swing head from the unfolding state to the closing state, the swing head is abutted against the damper and compresses the damper, so that the swing head is slowly closed.

In a further embodiment, the damper comprises: the main body and the piston rod are in an extending state relative to the main body and extend out linearly towards the unfolding direction of the swing head.

In a further embodiment, the main body is limited in the damper support, and the piston rod is provided with a contact end; in the closing process, the swinging head is abutted against the contact end of the piston rod to push the piston rod to enter the main body.

In a further embodiment, the contact end is provided with a sheath, and the surface of the sheath is in a circular arc shape.

In a further embodiment, the hinge body includes a hinge housing, and the damper mount is detachably mounted to an outer wall of the hinge housing.

In a further embodiment, the damper support is provided with an installation cavity for accommodating the main body, a hook is formed on the bottom surface of the damper support, which is attached to the outer wall of the hinge shell, and a hook groove is formed on the hinge shell corresponding to the hook.

In a further embodiment, a sliding groove is formed at the opening end of the damper support, and the sheath is limited to move in the sliding groove in the process that the piston rod extends out of the main body or retracts into the main body, so that the piston rod is ensured to move linearly.

In a further embodiment, the hinge housing and the damper support are correspondingly provided with screw holes and are locked by screws.

In a further embodiment, the oscillating head has a contact portion that abuts against a damper; or the swing head is provided with a lock catch; the swing head is abutted against the damper through the lock catch in the closing process.

In a further embodiment, the hinge body comprises: the hinge comprises a hinge shell, an inner support assembly and a main tension spring assembly; the swing head is rotatably connected to one end of the hinge shell and is connected with the inner support assembly, and the inner support assembly is connected with the main tension spring assembly.

Known through foretell technical scheme, compare with prior art, the utility model discloses following beneficial technological effect has:

1. the utility model mainly arranges an external damper outside the common hinge selectively, can switch between the common hinge and the damping hinge, meets the use requirements of different users, and has low manufacture and production cost and reliable use performance; 2. the external damper and the hinge main body of the utility model are relatively simple to assemble, the trouble of aligning the screw holes is eliminated by pre-installing the hook, and the screw holes are automatically aligned after pre-installing and are locked by screws;

the utility model discloses a all the other beneficial effects embody in the embodiment.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded view of the hinge body and the external damper according to the present invention;

FIG. 3 is a schematic view of the swing head in a closed state;

FIG. 4 is a schematic illustration of a swing head closing process;

FIG. 5 is an exploded view of an external damper;

FIG. 6 is a sectional view of an external damper;

FIG. 7 is a cross-sectional view of the external damper and hinge housing assembled;

fig. 8 is a schematic view of the positioning at an angle between the swing head and the hinge body.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams each illustrating the basic structure of the present invention only in a schematic manner, and thus show only the constitution related to the present invention.

In the description of the present application, it is to be understood that the terms "longitudinal," "radial," "length," "width," "thickness," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present application and for simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the present application. In the description of the present application, "a plurality" means two or more unless otherwise specified.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.

An external damping hinge comprising: the hinge body 100 and the swing head 200, the swing head 200 is connected to one end of the hinge body 100, can swing relative to the hinge body 100, and has a closed state and an open state, the hinge body 100 and the swing head 200 are respectively installed at two different parts of a product, so that the two parts can be opened or closed relatively, for example: when the hinge body 100 is applied to a microwave oven, the hinge body is installed on a body of the microwave oven, and the swing head 200 is installed on a door body, so that the door opening and closing between the door body and the body can be controlled.

The hinge body 100 is detachably assembled with an external damper 300 outside, and the external damper 300 includes: damper mount 310 and damper 320; when the swing head 200 is switched from the expanded state to the closed state, the damper 320 is compressed by abutting against the damper 320, and the swing head 200 is slowly closed.

As shown in fig. 3, the swinging head 200 is in a closed state, in which the swinging head 200 and the external damper 300 are in contact with each other, as shown in the orientation of fig. 3, and the damper 300 provides a downward force to the swinging head 200;

as shown in fig. 4, the swing head 200 is in a process of being converted from the expanded state to the closed state, and it should be noted that the state of fig. 4 is not a state in which the swing head 200 is completely expanded. During the closing process, when the swing head 200 swings to a certain angle, the damper 320 is abutted, and the damper 320 applies a reverse acting force to the swing head 200, thereby assisting the swing head 200 to slowly close.

The external damper 300 is installed outside the hinge body 100, and when the external damper 300 is not installed, the function of a common hinge can be realized between the hinge body 100 and the swing head 200, and after the external damper 300 is installed, the swing head 200 is slowly closed relative to the hinge body 100; the device can be assembled according to the requirements of users, and different choices are provided; the external damper 300 is installed outside, and is simple and convenient to disassemble and assemble.

Specifically, the damper 320 includes: a main body 321 and a piston rod 322, wherein the piston rod 322 is in an extending state relative to the main body 321 and extends linearly in the extending direction of the swing head 200, and as shown in fig. 4, the piston rod 322 extends linearly downwards; the specific structure of the inside of the main body 321 of the damper 320 is not limited.

The main body 321 is limited in the damper support 310, and the piston rod 322 is provided with a contact end 3221; during the closing process, the swing head 200 abuts against the contact end 3221 of the piston rod 322, the piston rod 322 is pushed into the main body 321, and during the process that the swing head 200 compresses the damper 320, the damper 320 gives a reverse acting force to the swing head 200.

Further, the contact end 3221 is provided with a sheath 323, and the surface of the sheath 323 is arc-shaped, so that the swinging head 200 is more smoothly contacted with the sheath 323.

Further, the hinge body 100 includes a hinge housing 110, and the damper bracket 310 is detachably mounted to an outer wall of the hinge housing 110; the damper support 310 is provided with a mounting cavity 311 for accommodating a main body 321, and the main body 321 is limited in the mounting cavity 311; the piston rod 322 moves linearly in the process of extending out of or retracting into the main body 321, the open end of the damper support 310 forms a sliding groove 313, and the sheath 323 is limited in the sliding groove 313 to move in the process of extending out of or retracting into the main body 321 of the piston rod 322, so that the piston rod 322 is ensured to move linearly, and the piston rod 322 is prevented from shifting or bending under a large deflection force; the life of damper 320 is increased.

Further, a hook 312 is formed on the bottom surface of the damper bracket 310 attached to the outer wall of the hinge housing 110, a hook groove 111 is formed on the hinge housing 110 corresponding to the hook 312, and when the damper bracket is installed, the whole external damper 300 is hung on the hinge housing 110 through the hook 312, so as to complete pre-installation; the hinge housing 110 and the damper bracket 310 are correspondingly provided with screw holes and are locked by screws 112, so that the external damper 300 is integrally fixed on the hinge housing 110; when the hinge is disassembled, the screw 112 is disassembled, and then the external damper 300 is separated from the hinge housing 110, so that the whole disassembling and assembling process is simple and convenient.

Alternatively, the damper support 310 and the hinge housing 110 may be connected by a snap-fit, or other means.

Further, the swing head 200 has a contact portion 200 abutting against the damper 320, and the swing head 220 abuts against the damper 320 through the contact portion 220;

optionally, a latch 210 is mounted on the swing head 200, and the latch 210 abuts against the damper 320 during the closing process of the swing head 200.

Further, as shown in fig. 3 and 8, the latch 210 is rotatably disposed on the swing head 200, the latch 210 is connected to the swing head 200 through a rotating shaft 211, the rotating shaft 211 is located in a strip-shaped groove 201, and when the rotating shaft 211 is located at the end of the strip-shaped groove 201, the latch 210 is limited on the swing head 200; when the rotating shaft 211 moves to the front end of the elongated slot 201, the latch 210 can rotate and cross over the contact portion 220 to rotate to another position, as shown in fig. 8, after the latch 210 rotates to another position, the rotating shaft 211 moves to the end of the elongated slot 201, so that the latch 210 is limited again, and at this time, the latch 210 abuts against the end of the hinge housing 110, so that the swing head 200 and the hinge main body 100 are kept at a fixed angle, the fixed angle is not a closed state or an unfolded state, but is between the closed state and the unfolded state, so as to facilitate the assembly and installation of the hinge, after the hinge is installed, the latch 210 can be released and restored to the initial placement area (i.e., the position shown in fig. 1), and the hinge can enter a normal working state.

Further, the hinge body 100 includes: the hinge comprises a hinge shell 110, an inner support component 120 and a main tension spring component 130, wherein the hinge shell 110 is formed by pressing high-hardness metal, the inner support component 120 is assembled inside the hinge shell 110, a swing head 200 is rotatably connected to one end of the hinge shell 110 and is connected with the inner support component 120, and the inner support component 120 is connected with the main tension spring component 130; the hinge body 100 can be used according to the conventional hinge, such as CN202121478616.1, during the closing or unfolding of the swing head 200, the inner support assembly 120 moves in the hinge housing 110, and the main tension spring 131 in the main tension spring assembly 130 deforms accordingly.

The utility model discloses mainly be outside ordinary hinge, can selectively install external attenuator 300 additional, can switch between ordinary hinge and damping hinge, satisfy different users' user demand, make with low in production cost and the performance use reliably.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An external damping hinge comprising: hinge main part (100) and swing head (200), its characterized in that:

the hinge body (100) is externally detachably provided with an external damper (300), and the external damper (300) comprises: a damper mount (310) and a damper (320);

the swing head (200) has an unfolding state and a closing state relative to the hinge main body (100); when the swing head (200) is switched from the unfolded state to the closed state, the swing head (200) is abutted against the damper (320) and compresses the damper (320), so that the swing head (200) is slowly closed.

2. The external damping hinge of claim 1, wherein: the damper (320) comprises: a main body (321) and a piston rod (322), wherein the piston rod (322) is in an extending state relative to the main body (321) and extends linearly in the extending direction of the swing head (200).

3. The external damping hinge of claim 2, wherein: the main body (321) is limited in the damper support (310), and the piston rod (322) is provided with a contact end (3221); in the closing process, the swinging head (200) is abutted against the contact end (3221) of the piston rod (322) to push the piston rod (322) to enter the main body (321).

4. The external damping hinge of claim 3, wherein: the contact end (3221) is provided with a sheath (323), and the surface of the sheath (323) is arc-shaped.

5. The external damping hinge of claim 2, wherein: the hinge body (100) comprises a hinge housing (110), and the damper support (310) is detachably assembled on the outer wall of the hinge housing (110).

6. The external damping hinge of claim 5, wherein: the damper support (310) is provided with an installation cavity (311) for accommodating the main body (321), a hook (312) is formed on the bottom surface of the damper support (310) which is attached to the outer wall of the hinge shell (110), and a hook groove (111) is formed on the hinge shell (110) corresponding to the hook (312).

7. The external damping hinge of claim 5, wherein: the open end of the damper support (310) forms a sliding groove (313), the sheath (323) is limited in the sliding groove (313) to move in the process that the piston rod (322) extends out of the main body (321) or retracts into the main body (321), and the piston rod (322) is guaranteed to move linearly.

8. The external damping hinge of claim 6, wherein: the hinge shell (110) and the damper support (310) are correspondingly provided with screw holes and are locked through screws (112).

9. The external damping hinge of claim 1, wherein: the swing head (200) is provided with a contact part (220) which is butted with the damper (320); or

A lock catch (210) is assembled on the swinging head (200); the swing head (200) is abutted against the damper (320) through the lock catch (210) in the closing process.

10. The external damping hinge of claim 5, wherein: the hinge body (100) comprises: the hinge comprises a hinge shell (110), an inner support assembly (120) and a main tension spring assembly (130); the swing head (200) is rotatably connected to one end of the hinge shell (110) and is connected with the inner support assembly (120), and the inner support assembly (120) is connected with the main tension spring assembly (130).