CN218991269U - Self-return angle-limitable buffer hinge - Google Patents

Abstract

The utility model discloses a self-return angle-limitable buffer hinge which comprises a bottom plate, wherein a rotating assembly is arranged on the bottom plate, the buffer assembly is arranged in the rotating assembly, a mounting mechanism is arranged on the rotating assembly, the rotating assembly comprises a valve body, a shaft hole a, a shaft hole b and a rotating shaft, and the shaft hole a is arranged on two sides of the surface of the bottom plate. The self-closing buffer door closing function is realized by buffering self-closing, 0-degree positioning and 90-degree positioning, the self-closing clamp provides door closing power through the compression spring when the door is opened, the buffer provides buffering force when the door is closed, so that the door is slowly closed, the self-closing buffer door closing function is realized, the 0-degree positioning function and the 90-degree positioning function are realized through the effects generated by the spring and the crankshaft structure buffered on the rotating shaft, the door and the window are prevented from rotating and colliding with the wall surface, the damage to the door and the window is avoided, the service life of the door and the window is prolonged, and the angle overtravel of the hinge is protected through the crankshaft plane structure of the rotating shaft and the limit screw.

Description

Self-return angle-limitable buffer hinge

Technical Field

The utility model relates to the technical field of hinges, in particular to a self-return angle-limited hinge with a buffer.

Background

At present, the existing hinge is usually used for fixing a door and a window when the door and the window are opened and closed, the door and the window are easy to damage when the door and the window are too large in door opening force, and the hinge does not have the functions of 0-degree positioning and 90-degree positioning, so that the door and the window are easy to rotate and collide with a wall surface, the door and the window are damaged, the service life of the door and the window is influenced, great inconvenience is brought to a user, and therefore, the hinge with the buffer is capable of limiting the angle by self-returning.

Disclosure of Invention

The utility model aims to provide a self-return angle-limited buffering hinge so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the self-return angle-limited buffering hinge comprises a bottom plate, wherein a rotating assembly is arranged on the bottom plate, a buffering assembly is arranged in the rotating assembly, and a mounting mechanism is arranged on the rotating assembly;

the rotary assembly comprises a valve body, a shaft hole a, a shaft hole b and a rotary shaft, wherein the shaft hole a is formed in two sides of the surface of a bottom plate, the shaft hole b is formed in the valve body, the valve body is arranged at the top of the bottom plate, the rotary shaft is arranged in the shaft hole b, the tail end of the rotary shaft sequentially penetrates through the shaft hole b and the shaft hole a and extends to the outside of the shaft hole a, the rotary shaft is fixedly connected with the bottom plate through a set screw, a shaft sleeve is arranged at the tail end of the rotary shaft, and a cap is arranged at one end, far away from the rotary shaft, of the shaft sleeve;

the buffer assembly comprises a buffer slide block, a self-closing slide block, adjusting nuts, springs and a buffer, wherein a first channel and a second channel are arranged at the top of the valve body, the buffer slide block is arranged in the first channel, the buffer is arranged at the top of the buffer slide block, the two adjusting nuts are respectively arranged at the tops of the springs and the buffer, the self-closing slide block is arranged in the second channel, the springs are arranged at the top of the self-closing slide block, and a screw cover plate for sealing the first channel and the second channel is arranged at the top of the valve body;

the mounting mechanism comprises a gasket, a pressing plate and a cover plate, wherein the two gaskets are respectively mounted on the valve body and the pressing plate, the gasket and the valve body are fixedly connected through fixing screws, and the cover plate is mounted on the outer side of the pressing plate.

Further, the bottom plate is fixed on the wall body through screws, and the pressing plate is used for fixing the door leaf and the valve body.

Further, when the valve body is perpendicular to the mounting surface of the bottom plate by taking the rotating shaft as the center, the head of the self-closing sliding block on the spring is matched with the tangent plane platform on the rotating shaft under the pressure of the spring.

Further, the valve body rotates around the rotating shaft, and the buffer sliding block on the buffer is extruded by the rotating shaft to compress the buffer.

Further, the clamping groove is formed in the surface of the rotating shaft, the bottom of the valve body is provided with a bottom cover plate, the bottom of the bottom cover plate is provided with a set screw, the head of the set screw is embedded into the clamping groove, and the valve body is limited to surround the rotating shaft by a rotating angle.

Further, the spring and the buffer adjust the force through an adjusting nut.

Compared with the prior art, the utility model has the following beneficial effects:

1. the self-closing buffer door closing mechanism has the functions of buffering self-closing, 0-degree positioning and 90-degree positioning, the self-closing clamp provides door closing power through the compression spring when the door is opened, the buffer provides buffering force when the door is closed, so that the door is slowly closed, the self-closing buffer door closing function is realized, the 0-degree positioning function and the 90-degree positioning function are realized through the effects generated by the spring and the crankshaft structure buffered on the rotating shaft, the door and the window are prevented from rotating and colliding with the wall surface, the damage to the door and the window is avoided, the service life of the door and the window is prolonged, and the angle overtravel of the hinge is protected through the crankshaft plane structure of the rotating shaft and the limit screw.

2. According to the utility model, the clamping groove is formed, and the head part of the positioning screw fixed on the valve body is embedded into the clamping groove to limit the rotation angle of the valve body around the rotation shaft, so that the door opening angle of the door leaf is limited by limiting the relative rotation angle of the valve body and the bottom plate of the rotation part.

Drawings

FIG. 1 is a schematic diagram of an exploded construction of the present utility model;

FIG. 2 is a schematic view of the mounting structure of the present utility model;

FIG. 3 is a cross-sectional view of the structure of the present utility model;

fig. 4 is a schematic structural view of the rotating shaft of the present utility model.

In the figure: 1 bottom plate, 2 valve body, 3 set screw, 4 buffering slider, 5 self-closing slider, 6 adjusting nut, 7 spring, 8 gasket, 9 screw cover plate, 10 clamp plate, 11 cover plate, 12 block, 13 axle sleeve, 14 axis of rotation, 15 end cover plate, 16 fixed screw, 17 set screw, 18 buffer, 19 marble pin, 20 shaft hole a, 21 shaft hole b, 22 passageway one, 23 passageway two, 24 draw-in groove.

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.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present patent and simplify the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present patent. In the description herein, it should be noted that the terms "mounted," "connected," "coupled," and "disposed" are to be construed broadly, as they may be fixedly connected, disposed, detachably connected, disposed, or integrally connected, disposed, for example, unless otherwise specifically indicated and defined. The specific meaning of the terms in this patent will be understood by those of ordinary skill in the art as the case may be.

Referring to fig. 1-3, a self-return angle-limiting buffering hinge comprises a bottom plate 1, wherein a rotating assembly is installed on the bottom plate 1, a buffering assembly is installed in the rotating assembly, and an installation mechanism is installed on the rotating assembly.

The rotating assembly comprises a valve body 2, a shaft hole a 20, a shaft hole b 21 and a rotating shaft 14, wherein the shaft hole a 20 is formed in two sides of the surface of a bottom plate 1, the shaft hole b 21 is formed in the valve body 2, the valve body 2 is arranged at the top of the bottom plate 1, the rotating shaft 14 is arranged in the shaft hole b 21, the tail end of the rotating shaft 14 sequentially penetrates through the shaft hole b 21 and the shaft hole a 20 and extends to the outside of the shaft hole a 20, the rotating shaft 14 is fixedly connected with the bottom plate 1 through a set screw 17, a shaft sleeve 13 is arranged at the tail end of the rotating shaft 14, and a cap 12 is arranged at one end, far away from the rotating shaft 14, of the shaft sleeve 13.

The buffer assembly comprises a buffer slide block 4, a self-closing slide block 5, an adjusting nut 6, a spring 7 and a buffer 18, wherein a first channel 22 and a second channel 23 are arranged at the top of the valve body 2, the buffer slide block 4 is arranged in the first channel 22, the buffer 18 is arranged at the top of the buffer slide block 4, the two adjusting nuts 6 are respectively arranged at the top of the buffer 18 of the spring 7, the self-closing slide block 5 is arranged in the second channel 23, the spring 7 is arranged at the top of the self-closing slide block 5, a screw cover plate 9 for sealing the first channel 22 and the second channel 23 is arranged at the top of the valve body 2, the valve body 2 takes a rotating shaft 14 as a center, when the valve body 2 is perpendicular to a bottom plate mounting surface, the head of the self-closing slide block 5 on the spring 7 is matched with a tangent plane platform on the rotating shaft 14 under the pressure of the spring 7, the door leaf drives the valve body 2 to rotate around the rotating shaft 14 under the action of external force, the buffer slide block 4 on the rotating shaft 14 is extruded by the rotating shaft 14, a clamping groove 24 is formed in the surface of the rotating shaft 14, a bottom cover plate 15 is arranged at the bottom of the valve body 2, a set screw 3 is arranged at the bottom of the self-closing slide block 15, the set screw 2 is embedded in the top of the clamping groove 24, and the set screw 2 is embedded in the clamping groove 24, and the angle of the valve body 2 is limited by the adjusting the angle of the spring 7 and the valve body 6.

The installation mechanism comprises a gasket 8, a pressing plate 10 and a cover plate 11, wherein the two gaskets 8 are respectively installed on the valve body 2 and the pressing plate 10, the gasket 8 and the valve body 2 are fixedly connected through fixing screws 16, the cover plate 11 is installed on the outer side of the pressing plate 10, the bottom plate 1 is fixed on a wall body through screws, and the pressing plate 10 fixes a door leaf and the valve body 2.

In order to facilitate understanding of the above technical solutions of the present utility model, the following describes in detail the working principle or operation manner of the present utility model in the actual process.

When the valve body 2 is used, the rotation shaft 14 is taken as the center, when the valve body is perpendicular to the installation surface of the bottom plate 1, the head of the self-closing slide block 5 of the spring 7 is matched with a tangent plane platform on the rotation shaft 14 under the pressure action of the spring 7, the plane is contacted with the plane, the relative position is stable, the position hinge is at a zero-degree position, and the door leaf is in a closed state; the bottom plate 1 and the axis of rotation 14 are fixed on the wall, when external force promotes the door leaf, be fixed when the door leaf drives the valve body 2 and rotates around axis of rotation 14 at this moment, the self-closing slide block 5 head of spring 7 gradually leaves the tangent plane platform that corresponds on the axis of rotation 14 from one side, simultaneously gradually compress spring 7, self-closing slide block 5 head and tangent plane platform are the line contact this moment, the axis of rotation of the off-closing slide block 5 is deviated to the contact line, bullet, the reaction force conduction of 7 gives self-closing slide block 5, through leverage, after the door leaf receives external force disappearance, will promote the valve body 2 and rotate backward around axis of rotation 14, until get back to self-closing slide block 5 head plane and the tangent plane on the axis of rotation 14 coincide, reach steady state, the hinge returns to zero degree position, the door leaf is closed.

When the door leaf drives the valve body 2 to rotate around the rotating shaft 14 under the action of external force, the buffer sliding block 4 at the head part of the buffer 18 in the valve body 2 is extruded by a corresponding platform on the rotating shaft, so that the buffer 18 is compressed. At the moment, the buffer 18 has damping action on the buffer slide block 4 to counteract and buffer partial door opening force, so that the door and window are prevented from being damaged due to overlarge door opening force; the clamping groove 24 is formed in the middle of the rotating shaft, the head of the set screw 3 fixed on the valve body 2 is embedded into the clamping groove 24, the rotating angle of the valve body 2 around the rotating shaft 14 is limited, so that the door opening angle of a door leaf is limited by limiting the relative rotating angle of the valve body 2 and the bottom plate 1 of the rotating part, the spring 7 and the buffer 18 adjust the force through the adjusting nut 6, all the moving mechanisms of the product are hidden inside the rotating part, and the appearance is concise and attractive.

All parts in the utility model are universal standard parts or parts known by a person skilled in the art, the structure and principle of the parts are known by the person skilled in the art through technical manuals or known by conventional experimental methods, standard parts used in the application document can be purchased from the market, all parts in the application document can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, and the machines, parts and equipment adopt conventional models in the prior art.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a but self return restriction angle area buffering hinge, includes bottom plate (1), its characterized in that: a rotating assembly is arranged on the bottom plate (1), a buffer assembly is arranged in the rotating assembly, and an installation mechanism is arranged on the rotating assembly;

the rotary assembly comprises a valve body (2), a shaft hole a (20), a shaft hole b (21) and a rotary shaft (14), wherein the shaft hole a (20) is formed in two sides of the surface of a bottom plate (1), the shaft hole b (21) is formed in the valve body (2), the valve body (2) is arranged at the top of the bottom plate (1), the rotary shaft (14) is arranged in the shaft hole b (21), the tail end of the rotary shaft (14) sequentially penetrates through the shaft hole b (21) and the shaft hole a (20) and extends to the outer part of the shaft hole a (20), the rotary shaft (14) is fixedly connected with the bottom plate (1) through a set screw (17), a shaft sleeve (13) is arranged at the tail end of the rotary shaft (14), and a cap (12) is arranged at one end, far away from the rotary shaft (14), of the shaft sleeve (13);

the buffer assembly comprises a buffer sliding block (4), a self-closing sliding block (5), adjusting nuts (6), springs (7) and a buffer (18), wherein a first channel (22) and a second channel (23) are arranged at the top of the valve body (2), the buffer sliding block (4) is arranged in the first channel (22), the buffer (18) is arranged at the top of the buffer sliding block (4), the two adjusting nuts (6) are respectively arranged at the tops of the springs (7) and the buffer (18), the self-closing sliding block (5) is arranged in the second channel (23), the springs (7) are arranged at the top of the self-closing sliding block (5), and a screw cover plate (9) for sealing the first channel (22) and the second channel (23) is arranged at the top of the valve body (2);

the mounting mechanism comprises a gasket (8), a pressing plate (10) and a cover plate (11), wherein the two gaskets (8) are respectively mounted on the valve body (2) and the pressing plate (10), the gasket (8) and the valve body (2) are fixedly connected through fixing screws (16), and the cover plate (11) is mounted on the outer side of the pressing plate (10).

2. The self-returning angle-limitable belt cushioning hinge of claim 1, further comprising: the bottom plate (1) is fixed on the wall body through screws, and the pressing plate (10) is used for fixing the door leaf and the valve body (2).

3. The self-return angle-limitable cushioned hinge of claim 2, wherein: when the valve body (2) is perpendicular to the installation surface of the bottom plate (1) by taking the rotation shaft (14) as the center, the head of the self-closing sliding block (5) on the spring (7) is matched with a tangent plane platform on the rotation shaft (14) under the pressure of the spring (7).

4. The self-returning angle-limitable belt cushioning hinge of claim 1, further comprising: the valve body (2) rotates around the rotating shaft (14), and the buffer sliding block (4) on the buffer (18) is extruded by the rotating shaft (14) to compress the buffer (18).

5. The self-returning angle-limitable belt cushioning hinge of claim 4, further comprising: clamping grooves (24) are formed in the surface of the rotating shaft (14), a bottom cover plate (15) is arranged at the bottom of the valve body (2), a set screw (3) is arranged at the bottom of the bottom cover plate (15), and the head of the set screw (3) is embedded into the clamping grooves (24) to limit the rotating angle of the valve body (2) around the rotating shaft (14).

6. The self-returning angle-limitable belt cushioning hinge of claim 5, further comprising: the spring (7) and the buffer (18) adjust the force through the adjusting nut (6).

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