CN220522320U - Built-in buffer hinge - Google Patents

Abstract

The utility model relates to the technical field of hinges, in particular to a built-in buffer hinge which comprises a first mounting seat, a second mounting seat and a buffer mechanism, wherein the first mounting seat is arranged on a cabinet door, the second mounting seat is arranged on a cabinet body, and the buffer mechanism comprises a fork wire, a connecting piece, a rolling through, a first torsion spring and an oil cylinder; the fork line comprises a first shaft body and a second shaft body which are respectively arranged on the first mounting seat; the connecting piece is hinged with the first shaft body and the second mounting seat respectively; the rolling through is respectively hinged with the second shaft body and the driving end of the oil cylinder; the hinge is characterized in that a first torsion spring is sleeved on a hinge shaft between the connecting piece and the second mounting seat, a first support leg on the first torsion spring is abutted between the connecting piece and the fork wire, and a second support leg on the first torsion spring is abutted between the rolling through and the second mounting seat.

Description

Built-in buffer hinge

Technical Field

The utility model relates to the technical field of hinges, in particular to a built-in buffer hinge.

Background

In daily life, the hinge is used for installing the junction at furniture cabinet door such as locker more, however, prevents the structural design of current hinge, and the later stage resistance of buffer is great in the current hinge, when the cabinet door is closed, with cabinet body low angle striking, easily press from both sides the finger and produce great noise to striking repeatedly easily aggravate hinge fatigue, reduction in service life.

Disclosure of Invention

The utility model provides the built-in buffer hinge for solving the problem that the hinge in the prior art is easy to cause excessive collision between the cabinet door and the cabinet body, so that the opening and closing states of the cabinet door are soft and smooth, and the service life of the hinge is prolonged.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a built-in buffering hinge, includes first mount pad, second mount pad and buffer gear, first mount pad sets up on the cabinet door, the second mount pad sets up on the cabinet body, buffer gear sets up first mount pad with between the second mount pad, its characterized in that:

the buffer mechanism comprises a fork wire, a connecting piece, a rolling through, a first torsion spring and an oil cylinder;

the fork line comprises a first shaft body and a second shaft body, and the first shaft body and the second shaft body are respectively arranged on the first mounting seat;

the connecting piece is hinged with the first shaft body and the second mounting seat respectively;

the rolling through is respectively hinged with the second shaft body and the driving end of the oil cylinder;

the first torsion spring is sleeved on a hinge shaft between the connecting piece and the second mounting seat, the first support leg on the first torsion spring is abutted between the connecting piece and the fork wire, and the second support leg on the first torsion spring is abutted between the rolling through and the second mounting seat.

Further, the connecting piece is provided with a notch, and the notch is used for limiting the rotation angle of the first support leg on the first torsion spring.

Further, a concave portion is formed in the connecting piece, and the second shaft body is arranged at the concave portion.

Further, a linkage mechanism is arranged between the rolling through and the oil cylinder.

Further, the linkage mechanism comprises a first transmission part and a second transmission part, the first transmission part is connected between the rolling through part and the second transmission part, and the second transmission part is hinged with the driving end of the oil cylinder and the second installation seat respectively.

Further, the second mount pad includes base, positioning piece and arm, the base is used for installing on the cabinet body, positioning piece sets up the base with between the arm, the arm with the connecting piece articulates.

Further, an adjusting bolt is arranged between the positioning piece and the hinge arm and used for adjusting the height between the hinge arm and the positioning piece.

Further, the position adjusting piece is provided with a sliding groove and a positioning hole, the hinge arm is provided with a sliding block and a locking nail, the sliding block is in sliding connection with the sliding groove, and the locking nail is arranged in the positioning hole.

Further, the position adjusting piece is provided with a hook part and an inserting part, the base is provided with a notch and a socket, the hook part is buckled with the notch, and the inserting part is buckled with the socket.

Further, a spring frame is arranged between the hinge arm and the base, a second torsion spring is arranged on the spring frame, and two support legs of the second torsion spring are respectively abutted to the hinge arm and the base.

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

the utility model provides a built-in buffer hinge, when in use, a first mounting seat is mounted on a cabinet door, a second mounting seat is mounted on a cabinet body, a buffer mechanism is arranged between the first mounting seat and the second mounting seat, when the cabinet door is opened, the first mounting seat rotates, a connecting piece of the buffer mechanism and a fork wire squeeze a first torsion spring, the first torsion spring is utilized to absorb buffer door opening force first, then the first torsion spring is utilized to generate acting force to drive rolling, the rolling transmits the force to an oil cylinder, and the oil cylinder is utilized to absorb buffer force continuously, so that multistage buffer is realized, the cabinet door is soft and slow when being opened and closed, the hinge can always keep a soft opening and closing constant speed state by utilizing the extrusion force of the first torsion spring and the oil cylinder, noise can be reduced, fingers can be prevented from being damaged by clamping, and the service life of the hinge is prolonged.

Drawings

FIG. 1 is a schematic diagram of an assembled structure of a built-in buffer hinge of the present utility model;

FIG. 2 is an exploded view of the built-in buffer hinge of the present utility model;

fig. 3 is a schematic view of an internal structure of the built-in buffering hinge of the present utility model.

Reference numerals: 1-a first mounting base; 2-fork wires; 210-a first shaft; 220-a second shaft body; 3-connectors; 4-rolling; 5-a first torsion spring; 6-an oil cylinder; 7-a first transmission member; 8-a second transmission member; 9-hinging arms; 10-positioning parts; 11-a base; 12-adjusting bolts; 13-locking nails; 14-a hook portion; 15-a plug-in part; 16-spring rack.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only a distinguishing embodiment of the present utility model, not a full-area embodiment. The utility model is described in one of its examples in connection with the following detailed description. Wherein the drawings are for illustrative purposes only and are shown in schematic, non-physical, and not intended to be limiting of the present patent; for the purpose of better illustrating embodiments of the utility model, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the size of the actual product; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.

As shown in fig. 1-3, the present embodiment provides a built-in buffering hinge, including a first mounting seat 1, a second mounting seat and a buffering mechanism, the first mounting seat 1 is disposed on a cabinet door, the second mounting seat is disposed on a cabinet body, the buffering mechanism is disposed between the first mounting seat 1 and the second mounting seat, wherein the buffering mechanism includes a fork wire 2, a connecting piece 3, a rolling through 4, a first torsion spring 5 and an oil cylinder 6, the fork wire 2 includes a first shaft body 210 and a second shaft body 220, the first shaft body 210 and the second shaft body 220 are respectively mounted on the first mounting seat 1, the connecting piece 3 is respectively hinged with the first shaft body 210 and the second mounting seat, the rolling through 4 is respectively hinged with a driving end of the second shaft body 220 and the oil cylinder 6, the first torsion spring 5 is sleeved on a hinge shaft between the connecting piece 3 and the second mounting seat, the first torsion spring 5 is in a first butt joint between the connecting piece 3 and the fork wire 2, and the second torsion spring 5 is in a butt joint between the rolling through 4 and the second mounting seat.

It should be noted that, in the use process of the hinge in this embodiment, the first mounting seat 1 is mounted on the cabinet door, the second mounting seat is mounted on the cabinet body, and the buffer mechanism is disposed between the first mounting seat 1 and the second mounting seat and is used for buffering the acting force of opening and closing the cabinet door relative to the cabinet body;

for the buffering structure, in this embodiment, the buffering structure includes a fork wire 2, a connecting piece 3, a winding through 4, a first torsion spring 5 and an oil cylinder 6, wherein the fork wire 2 is preferably designed to be a U-shaped structure, two sides of an opening of the fork wire 2 are respectively provided with a first shaft body 210 and a second shaft body 220, the fork wire 2 is used for realizing the hinging between the connecting piece 3 and the winding through 4 and the first mounting seat 1, the connecting piece 3 is used for enabling the first mounting seat 1 to swing relative to the second mounting seat, namely, the cabinet door rotates relative to the cabinet body, and the winding through 4 is used for connecting the oil cylinder 6 to buffer the impact force of the first mounting seat 1 relative to the second mounting seat, namely, buffer the impact force of the cabinet door between the cabinet bodies; meanwhile, in the embodiment, the first torsion spring 5 is further arranged between the connecting piece 3 and the winding-up 4, the first torsion spring 5 is sleeved on the hinge shaft between the connecting piece 3 and the second mounting seat, the first support leg on the first torsion spring 5 is abutted between the connecting piece 3 and the fork wire 2, and the second support leg on the first torsion spring 5 is abutted between the winding-up 4 and the second mounting seat, which is equivalent to that when the cabinet door is opened, the first mounting seat 1 rotates, so that the connecting piece 3 and the fork wire 2 extrude the first torsion spring 5, the first torsion spring 5 is utilized to absorb and buffer the door opening force first, then the first torsion spring 5 is utilized to generate acting force to drive the winding-up 4, the force is transmitted to the oil cylinder 6, and the oil cylinder 6 is utilized to absorb the buffering force continuously, so that multistage buffering is realized, the cabinet door is soft and slow when the cabinet door is opened and closed, and the flexible pressing force of the first torsion spring 5 is utilized to be matched with the oil cylinder 6, so that the hinge can always keep a flexible opening and closing state at a uniform speed, noise can be reduced, fingers can be prevented from being clamped, and the service life of the hinge can be prolonged.

As shown in fig. 1-3, in order to further buffer the acting force of the cabinet door relative to the cabinet body, in this embodiment, it is preferable to provide a notch on the connecting piece 3, where the notch is used to limit the rotation angle of the first leg on the first torsion spring 5, and meanwhile, a recess is provided on the connecting piece 3, and the second shaft 220 is disposed at the recess, specifically, in this embodiment, it is preferable to use the notch to limit the cabinet door to stop at the designed angle from the switch, for example, when the cabinet door is opened to 80 °, the first leg of the first torsion spring 5 can be blocked at the notch, so that the cabinet door is in a stop state, and when the cabinet door is completely opened, due to the limitation of the recess and the second shaft 220, the first torsion spring 5 can be limited at the position of the fork line 2, and preferably, the complete opening angle of the cabinet door is set to 105 °, so that in this embodiment, when the cabinet door is opened to 80 °, the stop at the moment, the cabinet door can be completely opened to 105 ° after the cabinet door is continuously pushed open, which is equivalent to the cabinet door is expanded at an obtuse angle, so that the cabinet door can avoid damaging the paint surface of the cabinet body.

As shown in fig. 1-3, in order to further buffer the acting force between the cabinet door and the cabinet body, in this embodiment, a linkage mechanism is disposed between the winding-up device 4 and the oil cylinder 6, and the linkage mechanism includes a first transmission member 7 and a second transmission member 8, where the first transmission member 7 is connected between the winding-up device 4 and the second transmission member 8, and the second transmission member 8 is hinged to the driving end of the oil cylinder 6 and the second mounting seat respectively.

Equivalently, after the rolling 4 acts, the rolling 4 transmits force to the first transmission member 7, the first transmission member 7 transmits force to the second transmission member 8, and the second transmission member 8 transmits force to the oil cylinder 6 again, so as to buffer the acting force step by step, preferably, in this embodiment, a quadrilateral lever is formed among the connecting member 3, the rolling 4, the first transmission member 7, the second transmission member 8 and the oil cylinder 6, so that the acting force can be further buffered by utilizing the quadrilateral lever principle, the opening and closing of the cabinet door is soft, and the oil cylinder 6 can be prevented from being powerfully popped out by itself after the fatigue running state, so that the buffering function is lost.

Further, in order to enable the cabinet door and the cabinet body to be opened and closed smoothly, blocking is avoided, in this embodiment, the second installation seat comprises a base 11, a positioning piece 10 and an articulated arm 9, the base 11 is used for being installed on the cabinet body, the positioning piece 10 is arranged between the base 11 and the articulated arm 9, the articulated arm 9 is hinged with the connecting piece 3, namely, the height and the front-back position of the articulated arm 9 relative to the base 11 can be adjusted by utilizing the positioning piece 10.

Specifically, an adjusting bolt 12 is arranged between the positioning member 10 and the hinge arm 9, the adjusting bolt 12 is used for adjusting the height between the hinge arm 9 and the positioning member 10, namely, the relative height between the positioning member 10 and the base 11 is adjusted through the screwing depth of the adjusting bolt 12, namely, the up-and-down adjustment of the position of the hinge arm 9 is realized, the first mounting seat 1 can slide smoothly, and further, the smooth opening and closing of the cabinet door are realized.

Further, in order to be suitable for more installation positions, in this embodiment, it is preferable that a sliding groove and a positioning hole are formed in the positioning member 10, a sliding block and a locking nail 13 are provided on the hinge arm 9, the sliding block is slidably connected with the sliding groove, the locking nail 13 is provided in the positioning hole, that is, the front and rear positions of the hinge arm 9 and the base 11 are adjusted by matching the sliding groove with the sliding block, and the hinge and the positioning member 10 are positioned by matching the positioning hole with the locking nail 13, so that smooth sliding is realized.

Further, in order to realize connection between the positioning element 10 and the base 11 and facilitate adjustment of the positional relationship between the components, in this embodiment, preferably, the positioning element 10 is provided with a hook portion 14 and an inserting portion 15, the base 11 is provided with a notch and a socket, the hook portion 14 is buckled with the notch, the inserting portion 15 is buckled with the socket, and the influence on use caused by falling of the components in the opening and closing process of the cabinet door is avoided.

Further, in order to improve the connection stability between the hinge arm 9 and the base 11, the acting force between the cabinet door and the cabinet body is buffered, in this embodiment, a spring frame 16 is further arranged between the hinge arm 9 and the base 11, a second torsion spring is arranged on the spring frame 16, two support legs of the second torsion spring are respectively abutted to the hinge arm 9 and the base 11, namely, the acting force between the hinge arm 9 and the base 11 is buffered by the spring frame 16 and the second torsion spring, the acting force between the cabinet door and the cabinet body is buffered, and the soft closing effect between the cabinet door and the cabinet body is improved.

Working principle:

install first mount pad 1 on the cabinet door, install the second mount pad on the cabinet body, buffer gear sets up between first mount pad 1 and second mount pad, when the cabinet door is opened, first mount pad 1 rotates, make connecting piece 3 and fork wire 2 extrude first torsional spring 5, utilize first torsional spring 5 to adsorb buffering open door force earlier, reuse first torsional spring 5 produces effort drive roll-up 4, roll-up 4 will force transfer cylinder 6, continue to utilize cylinder 6 to adsorb buffering power, thereby realize multistage buffering, soft slow when making cabinet door open and close, and utilize the extrusion force of first torsional spring 5 to cooperate with cylinder 6, can make the hinge remain soft switching at uniform velocity state throughout, can enough reduce noise, can avoid the finger of clamp injury, extension hinge life simultaneously.

In the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances. In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout is meant to include three side-by-side schemes, for example, "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B meet at the same time.

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. Any modification, equivalent replacement, improvement, etc., or direct/indirect use in other related technical fields, which are within the spirit and principle of the present utility model, should be included in the scope of the claims of the present utility model.

Claims (10)

1. The utility model provides a built-in buffering hinge, includes first mount pad (1), second mount pad and buffer gear, first mount pad (1) set up on the cabinet door, the second mount pad sets up on the cabinet body, buffer gear sets up first mount pad (1) with between the second mount pad, its characterized in that:

the buffer mechanism comprises a fork wire (2), a connecting piece (3), a rolling through (4), a first torsion spring (5) and an oil cylinder (6);

the fork wire (2) comprises a first shaft body (210) and a second shaft body (220), and the first shaft body (210) and the second shaft body (220) are respectively installed on the first installation seat (1);

the connecting piece (3) is hinged with the first shaft body (210) and the second mounting seat respectively;

the rolling through (4) is hinged with the driving end of the second shaft body (220) and the driving end of the oil cylinder (6) respectively;

the first torsion spring (5) is sleeved on a hinge shaft between the connecting piece (3) and the second mounting seat, a first supporting leg on the first torsion spring (5) is abutted between the connecting piece (3) and the fork wire (2), and a second supporting leg on the first torsion spring (5) is abutted between the rolling through (4) and the second mounting seat.

2. A built-in buffering hinge according to claim 1, characterized in that the connecting piece (3) is provided with a cut-out for limiting the rotation angle of the first leg on the first torsion spring (5).

3. A built-in buffering hinge according to claim 2, characterized in that the connecting piece (3) is provided with a recess, at which recess the second shaft body (220) is arranged.

4. A built-in buffer hinge according to claim 3, characterized in that a linkage is provided between the roll-up (4) and the cylinder (6).

5. The built-in buffer hinge according to claim 4, wherein the linkage mechanism comprises a first transmission member (7) and a second transmission member (8), the first transmission member (7) is connected between the winding-up member (4) and the second transmission member (8), and the second transmission member (8) is hinged with the driving end of the oil cylinder (6) and the second mounting seat respectively.

6. A built-in buffering hinge according to any of claims 1-5, characterized in that the second mounting base comprises a base (11), a positioning element (10) and an articulated arm (9), the base (11) is arranged on the cabinet, the positioning element (10) is arranged between the base (11) and the articulated arm (9), and the articulated arm (9) is articulated with the connecting element (3).

7. The built-in buffer hinge according to claim 6, characterized in that an adjusting bolt (12) is arranged between the positioning member (10) and the hinge arm (9), and the adjusting bolt (12) is used for adjusting the height between the hinge arm (9) and the positioning member (10).

8. The built-in buffer hinge according to claim 7, wherein the positioning piece (10) is provided with a sliding groove and a positioning hole, the hinge arm (9) is provided with a sliding block and a locking nail (13), the sliding block is slidably connected with the sliding groove, and the locking nail (13) is arranged in the positioning hole.

9. The built-in buffer hinge according to claim 8, wherein the positioning member (10) is provided with a hook portion (14) and a plug portion (15), the base (11) is provided with a notch and a socket, the hook portion (14) is buckled with the notch, and the plug portion (15) is buckled with the socket.

10. The built-in buffer hinge according to claim 6, characterized in that a spring frame (16) is arranged between the hinge arm (9) and the base (11), a second torsion spring is arranged on the spring frame (16), and two support legs of the second torsion spring are respectively abutted with the hinge arm (9) and the base (11).