Hinge with adjustable buffer

Abstract

The utility model discloses a hinge with adjustable buffering. The hinge comprises a hinge cup, a hinge body, a hinge arm, a buffer, a hinge shaft, a mounting seat, a buffering cylinder, a pushing piece, a first limiting piece and a second limiting piece, when the second limiting piece is shifted to a first working position, the limiting hook part is blocked in front of the convex hook block, so that the distance that the pushing part pushes the first limiting piece to move is shortened, and when the hinge is folded, the stroke that the buffering cylinder is compressed by the first limiting piece is reduced, so that the buffering force of the hinge is reduced; when the second limiting piece is poked to the second working position, the limiting hook part moves to the position behind the avoiding position, and when the hinge is folded, the pushing part 301 pushes the first limiting piece to move by a distance to restore to the original state, so that the stroke of the buffering cylinder compressed by the first limiting piece 400 is increased, and the buffering force of the hinge is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of furniture hardware, in particular to a hinge with adjustable buffer. Background Art

[0002] Hinges are components used to connect cabinets and doors in traditional furniture hardware. The buffering force of existing buffer hinges is fixed and cannot be adjusted according to actual usage. However, customers' home environments are complex, and hinges with various fixed buffering forces may not be suitable for users. If the hinge buffering force is small, heavy doors will make a knocking sound when closing. If the buffering force is too large, it will take a long time to close the door. Therefore, it is urgent to further improve the existing hinge structure to suit various places. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model embodiment proposes a hinge with adjustable buffer, including a hinge cup, a hinge body, a hinge arm, and a hinge shaft, one end of the hinge arm is connected to the hinge body through the hinge shaft, and one end of the hinge arm is rotatably connected to the hinge cup, and also includes a buffer cylinder, a pusher, a first limiter, and a second limiter; the buffer cylinder is mounted on the hinge body; the rear end of the pusher is rotatably connected to the hinge cup; the first limiter is used to compress the buffer cylinder, and the top of the first limiter is sequentially provided with a convex hook block and an avoidance position; the second limiter includes a limiter hook part, and the second limiter has a working position one and a working position two. When the hinge is folded, the first limiter is pushed backward by the pusher, and when the second limiter is moved to the working position one, the limiter hook part hooks the convex hook block; when the second limiter is moved to the working position two, during the movement of the first limiter, the avoidance position passes under the limiter hook part.

[0004] The utility model has at least the following beneficial effects:

[0005] When it is necessary to reduce the buffering force of the hinge, the second limit member can be moved to the working position one, and the second limit member is connected to the first limit member. When the hinge is folded, the distance that the pushing part pushes the first limit member to move is shortened, so that the stroke of the buffer cylinder being compressed by the first limit member is reduced, and the buffering force of the hinge is reduced; when it is necessary to increase the buffering force of the hinge, the second limit member can be moved to the working position two, so that the second limit member is disconnected from the first limit member. When the hinge is folded, the distance that the pushing part pushes the first limit member to move is restored to the original state, so that the stroke of the buffer cylinder being compressed by the first limit member is increased, and the buffering force of the hinge is increased.

[0006] According to some embodiments of the utility model, it also includes a mounting seat, which is installed in the hinge body, and a port is opened at the front of the mounting seat. The buffer cylinder is installed in the mounting seat, the buffer cylinder faces the port, and the first limiting member is installed at the port; the front part of the pushing member is rotatably mounted on the mounting seat.

[0007] According to some embodiments of the utility model, a slider is provided on the left and right plates of the mounting seat, the first limiting member includes two side plates, both of the side plates are provided with a slide groove opening, the slide groove opening is arranged horizontally, and when the first limiting member moves relative to the mounting seat, the slider slides in the slide groove opening.

[0008] According to some embodiments of the utility model, the first limiting member includes an end plate and two side plates, the end plate is located in front of the port, the piston rod is pressed against the end plate, the two side plates are respectively located on the left and right sides of the mounting seat, and the pushing member is provided with a pushing part, and the side plates are pushed by the pushing part.

[0009] According to some embodiments of the utility model, the two side plates are bent to form a toggle plate, and the toggle plate is pushed by the pushing part.

[0010] According to some embodiments of the present invention, the first limiting member is made of plastic, and the second limiting member is made of metal.

[0011] According to some embodiments of the utility model, the pushing member includes a first side plate, a second side plate, and a tail plate, the first side plate and the second side plate are respectively located on the left and right sides of the mounting seat, the ends of the first side plate and the second side plate are the pushing part; the tail plate is rotatably connected to the hinge cup.

[0012] According to some embodiments of the utility model, the pushing member includes a first side plate and a second side plate, the ends of the first side plate and the second side plate are the pushing parts, the first side plate and the second side plate are respectively located on the left and right sides of the mounting seat, a rotating shaft is connected between the first side plate and the second side plate, and the rotating shaft is rotatably mounted on the mounting seat; a rotating wheel nail is rotatably mounted on the second side plate, and the rotating wheel nail is fixed to the mounting seat.

[0013] According to some embodiments of the utility model, a U-shaped shaft rod member is inserted on the hinge cup, and the U-shaped shaft rod member includes a first shaft rod and a second shaft rod. The first shaft rod is used to rotatably connect the hinge arm and the hinge cup, and the second shaft rod is used to rotatably connect the tail plate and the hinge cup.

[0014] According to some embodiments of the utility model, a first top plate is extended to the left from the top of the mounting seat, a first slide is opened on the first top plate, and a first groove is opened on the first slide; a second top plate is extended to the right from the top of the mounting seat, a second slide is opened on the second top plate, and a second groove is opened on the second slide; the second limiting member includes a slide plate, the slide plate extends the limiting hook portion forward, the slide plate slides in the first slide plate and the second slide plate, a first protrusion is provided on the left side of the bottom of the slide plate, a second protrusion is provided on the right side of the bottom of the slide plate, and a shifting block is provided on the top surface of the slide plate; when the second limiting member is shifted to working position one, the first protrusion enters the first groove, so that the second limiting member stops at working position one, and when the second limiting member is shifted to working position two, the second protrusion enters the second groove, so that the two limiting members stop at working position two.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0017] Figure 1 This is an overall schematic diagram of an embodiment of the utility model in use;

[0018] Figure 2 This is a schematic diagram of an explosion in the use state of an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the hinge unfolding state in the working position of the embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the unfolded state of the lower hinge in the working position 2 of the embodiment of the utility model;

[0021] Figure 5 This is a schematic diagram of a hinge folded state in a working position of an embodiment of the utility model;

[0022] Figure 6 This is a schematic diagram of the folded state of the lower hinge in the working position II of the embodiment of the utility model;

[0023] Figure 7 It is an exploded schematic diagram of the mounting seat, the buffer cylinder, the pushing member, the first limiting member, and the second limiting member of the embodiment of the utility model;

[0024] Figure 8Schematic diagram of the assembly state of the mounting seat, buffer cylinder, pusher, first limiter and second limiter of the embodiment of the utility model Figure 1 ;

[0025] Fig. 9 Schematic diagram of the assembly state of the mounting seat, buffer cylinder, pusher, first limiter and second limiter of the embodiment of the utility model Figure 2 ;

[0026] Fig.10 It is a schematic diagram of the second position-limiting member of the embodiment of the utility model in combination with the mounting seat and the first position-limiting member when in the working position one;

[0027] Fig.11 It is a cross-sectional schematic diagram of the second position-limiting member of the embodiment of the utility model in combination with the mounting seat and the first position-limiting member when the second position-limiting member is in the working position one;

[0028] Fig.12 This is a schematic diagram of the second position-limiting member of the embodiment of the utility model in combination with the mounting seat and the first position-limiting member when the second position-limiting member is in the working position;

[0029] Fig.13 It is a cross-sectional schematic diagram of the second position-limiting member of the embodiment of the utility model in combination with the mounting seat and the first position-limiting member when the second position-limiting member is in the second working position;

[0030] Fig.14 This is a schematic diagram of the second position-limiting member of the embodiment of the utility model in the working position 1 before the buffer cylinder is compressed;

[0031] Fig.15 This is a schematic diagram of the second position-limiting member of the embodiment of the utility model being in the first working position after the buffer cylinder is compressed;

[0032] Fig.16 This is a schematic diagram of the second position-limiting member of the embodiment of the utility model before the buffer cylinder is compressed when the second position-limiting member is in the second working position;

[0033] Fig.17 This is a schematic diagram of the buffer cylinder being compressed when the second limiting member of the embodiment of the utility model is in the second working position;

[0034] Fig.18 This is a schematic diagram of the installation state of the U-shaped shaft rod member according to an embodiment of the utility model. DETAILED DESCRIPTION

[0035] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0036] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0037] In the description of the present utility model, the meaning of "a plurality" is more than two, and "greater than", "less than", "exceed" etc. are understood to exclude the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0038] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0039] Reference Figures 1 to 7 As shown, a hinge with adjustable buffer includes a hinge cup 101, a hinge body 102, a hinge arm 103, and a hinge shaft 104. One end of the hinge arm 103 is connected to the hinge body 102 through the hinge shaft 104, and one end of the hinge arm 103 is rotatably connected to the hinge cup 101. It also includes a buffer cylinder 200, a pusher 300, a first limiter 400, and a second limiter 500; the buffer cylinder 200 is mounted on the hinge body 102; the rear end of the pusher 300 is rotatably connected to the hinge cup 101; the first limiter 400 is used to compress the buffer cylinder 200, and the first limiter The top of 400 is sequentially provided with a convex hook block 401 and an avoidance position 402; the second limit member 500 includes a limit hook portion 520, and the second limit member 500 has a working position one and a working position two. When the hinge is folded, the first limit member 400 is pushed backward by the pushing member 300, and when the second limit member 500 is moved to the working position one, the limit hook portion 520 hooks the convex hook block 401; when the second limit member 500 is moved to the working position two, during the movement of the first limit member 400, the avoidance position 402 passes under the limit hook portion 520.

[0040] Reference Figures 3 to 6 , Figures 14 to 17 As shown, the second limiting member 500 has a first working position and a second working position:

[0041] When the second limit member 500 is moved to the first working position, the limit hook portion 520 hooks the convex hook block 401, shortening the distance that the push member 300 pushes the first limit member 400 to move. When the hinge is folded, the stroke of the buffer cylinder 200 compressed by the first limit member 400 is reduced, thereby reducing the buffer force of the hinge.

[0042] When the second limit member 500 is moved to the second working position, the limit hook 520 moves to the rear of the avoidance position 402. When the hinge is folded, the push member 300 pushes the first limit member 400 to move, and the avoidance position 402 passes under the limit hook 520, so that the distance of the first limit member 400 is restored to the original state, and the stroke of the buffer cylinder 200 compressed by the first limit member 400 is increased, so that the buffering force of the hinge is increased.

[0043] Reference Figures 1 to 7 As shown, it also includes a mounting seat 100, which is installed in the hinge body 102. The front part of the mounting seat 100 is provided with a port 110. The buffer cylinder 200 is installed in the mounting seat 100, and the buffer cylinder 200 faces the port 110. The first limit member 400 is installed at the port 110; the front part of the push member 300 is rotatably mounted on the mounting seat 100.

[0044] Reference Figure 7 , 9 As shown, sliders 120 are provided on the left and right plates of the mounting seat 100, and the first limiting member 400 includes two side plates 420, which clamp the mounting seat 100, and have sliding grooves 421 on the two side plates 420, which are arranged horizontally, and the sliding distance of the slider 120 in the sliding groove 421 corresponds to the stroke of the first limiting member 400, and at the same time, by inserting the slider 120 into the sliding groove 421, the connection between the mounting seat 100 and the first limiting member 400 is made tight.

[0045] Reference Figure 7 , Figures 14 to 17 As shown, a pushing part 301 is provided on the pushing member 300; the first limiting member 400 includes an end plate 410 and two side plates 420, the end plate 410 is located in front of the port 110, the buffer cylinder 200 includes a piston rod 210, the piston rod 210 is pressed against the end plate 410, and the two side plates 420 are respectively located on the left and right sides of the mounting seat 100.

[0046] The piston rod 210 pushes the end plate 410 to move the first stopper 400 forward, or when the side plate 420 is pushed by the pushing portion 301 , the end plate 410 compresses the piston rod 210 .

[0047] Reference Figures 5 to 7 As shown, in order to facilitate the pushing portion 301 to push the side plates 420 , the two side plates 420 are bent to form a shifting plate 422 , and the shifting plate 422 is pushed by the pushing portion 301 .

[0048] In this embodiment, the first limit member 400 is made of plastic and the second limit member 500 is made of metal, so that when the second limit member 500 is moved to the working position 1, when the first limit member 400 moves toward the second limit member 500, when the convex hook block 401 passes through the limit hook portion 520, the limit hook portion 520 can be deformed and lifted up, so that the convex hook block 401 can pass through the limit hook portion 520, move to the rear of the limit hook portion 520 and be hooked by the limit hook portion 520.

[0049] Reference Figure 7 As shown, the pushing member 300 includes a first side plate 310, a second side plate 320, and a tail plate 330. The first side plate 310 and the second side plate 320 are respectively located on the left and right sides of the mounting seat 100. The ends of the first side plate 310 and the second side plate 320 are the pushing parts 301; the tail plate 330 is rotatably connected to the hinge cup 101.

[0050] Reference Figure 8 , 9 As shown, the pushing member 300 includes a first side plate 310 and a second side plate 320. The first side plate 310 and the second side plate 320 are respectively located on the left and right sides of the mounting base 100. A rotating shaft 340 is connected between the first side plate 310 and the second side plate 320, and the rotating shaft 340 is rotatably mounted on the mounting base 100; a rotating wheel nail 350 is rotatably mounted on the second side plate 320, and the rotating wheel nail 350 is fixed on the mounting base 100.

[0051] Reference Fig.18 As shown, a U-shaped shaft member 600 is inserted on the hinge cup 101, and the U-shaped shaft member 600 includes a first shaft 610 and a second shaft 620. The first shaft 610 is used to rotatably connect the hinge arm 103 and the hinge cup 101, and the second shaft 620 is used to rotatably connect the tail plate 330 and the hinge cup 101, so that the hinge arm 103 and the tail plate 330 rotate at the same time.

[0052] Reference Figures 10 to 13 As shown, a first top plate 130 is extended to the left from the top of the mounting seat 100, a first slide 131 is opened on the first top plate 130, and a first groove 132 is opened on the first slide 131; a second top plate 140 is extended to the right from the top of the mounting seat 100, a second slide 141 is opened on the second top plate 140, and a second groove 142 is opened on the second slide 141; the second limiting member 500 includes a slide plate 510, and the slide plate 510 extends a limiting hook portion 520 forward, and the slide plate 510 slides in the first slide track 131 and the second slide track 141, and a first protrusion 511 is provided on the left side of the bottom of the slide plate 510, and a second protrusion 512 is provided on the right side of the bottom of the slide plate 510.

[0053] When in use, when the second limit member 500 is moved to the first working position, the first protrusion 511 enters the first groove 132, so that the second limit member 500 stops at the first working position. When the second limit member 500 is moved to the second working position, the second protrusion 512 enters the second groove 142, so that the second limit member 500 stops at the second working position. At the same time, when the first protrusion 511 enters the first groove 132 and the second protrusion 512 enters the second groove 142, a corresponding feedback feel is generated, so that the consumer knows that the second limit member 500 is moved to the working position.

[0054] Reference Figure 7 As shown, a shifting block 530 is disposed on the top surface of the slide plate 510 , and the shifting block 530 is used to facilitate the slide plate 510 to be shifted.

[0055] In the description of this specification, the description with reference to the terms "some embodiments" or "it is conceivable that" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0056] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A hinge with adjustable buffer, comprising a hinge cup (101), a hinge body (102), a hinge arm (103), and a hinge shaft (104), wherein one end of the hinge arm (103) is connected to the hinge body (102) via the hinge shaft (104), and one end of the hinge arm (103) is rotatably connected to the hinge cup (101), characterized in that: Also includes: A buffer cylinder (200), the buffer cylinder (200) being mounted on the hinge body (102); A pushing member (300), the rear end of the pushing member (300) being rotatably connected to the hinge cup (101); A first limiting member (400), the first limiting member (400) being used to compress the buffer cylinder (200), and a convex hook block (401) and an avoidance position (402) being sequentially arranged on the top of the first limiting member (400); The second limiting member (500) comprises a limiting hook portion (520). The second limiting member (500) has a first working position and a second working position. When the hinge is folded, the first limiting member (400) is pushed backward by the pushing member (300). When the second limiting member (500) is moved to the first working position, the limiting hook portion (520) hooks the convex hook block (401). When the second limiting member (500) is moved to the second working position, during the movement of the first limiting member (400), the avoidance position (402) passes under the limiting hook portion (520).

2. A hinge with adjustable buffer according to claim 1, characterized in that: It also includes a mounting seat (100), the mounting seat (100) is installed in the hinge body (102), a port (110) is opened at the front of the mounting seat (100), the buffer cylinder (200) is installed in the mounting seat (100), the buffer cylinder (200) faces the port (110), and the first limiting member (400) is installed at the port (110); the front part of the pushing member (300) is rotatably mounted on the mounting seat (100).

3. A hinge with adjustable buffer according to claim 2, characterized in that: The left and right plates of the mounting seat (100) are both provided with sliders (120), the first position-limiting member (400) comprises two side plates (420), the two side plates (420) are both provided with sliding groove openings (421), the sliding groove openings (421) are arranged transversely, and when the first position-limiting member (400) moves relative to the mounting seat (100), the slider (120) slides in the sliding groove openings (421).

4. The hinge with adjustable buffer according to claim 2, characterized in that: The first limiting member (400) comprises an end plate (410) and two side plates (420), wherein the end plate (410) is located in front of the port (110), the buffer cylinder (200) comprises a piston rod (210), wherein the piston rod (210) pushes against the end plate (410), and the two side plates (420) are respectively located on the left and right sides of the mounting seat (100), and the pushing member (300) is provided with a pushing portion (301), and the side plates (420) are pushed by the pushing portion (301).

5. The hinge with adjustable buffer according to claim 4, characterized in that: The two side plates (420) are both bent to form a shifting plate (422), and the shifting plate (422) is pushed by the pushing portion (301).

6. The hinge with adjustable buffer according to claim 1, characterized in that: The first limiting member (400) is made of plastic, and the second limiting member (500) is made of metal.

7. The hinge with adjustable buffer according to claim 4, characterized in that: The pushing member (300) comprises a first side plate (310), a second side plate (320), and a tail plate (330); the first side plate (310) and the second side plate (320) are respectively located on the left and right sides of the mounting seat (100); ends of the first side plate (310) and the second side plate (320) are the pushing parts (301); and the tail plate (330) is rotatably connected to the hinge cup (101).

8. The hinge with adjustable buffer according to claim 4, characterized in that: The pushing member (300) comprises a first side plate (310) and a second side plate (320); the ends of the first side plate (310) and the second side plate (320) are the pushing parts (301); the first side plate (310) and the second side plate (320) are respectively located on the left side and the right side of the mounting seat (100); a rotating shaft (340) is connected between the first side plate (310) and the second side plate (320); the rotating shaft (340) is rotatably mounted on the mounting seat (100); a rotating wheel nail (350) is rotatably mounted on the second side plate (320); the rotating wheel nail (350) is fixed on the mounting seat (100).

9. The hinge with adjustable buffer according to claim 7, characterized in that: A U-shaped shaft member (600) is inserted into the hinge cup (101), and the U-shaped shaft member (600) comprises a first shaft member (610) and a second shaft member (620), wherein the first shaft member (610) is used to rotationally connect the hinge arm (103) to the hinge cup (101), and the second shaft member (620) is used to rotationally connect the tail plate (330) to the hinge cup (101).

10. The hinge with adjustable buffer according to claim 2, characterized in that: A first top plate (130) extends leftward from the top of the mounting seat (100), a first slideway (131) is formed on the first top plate (130), and a first groove (132) is formed on the first slideway (131); A second top plate (140) extends rightward from the top of the mounting seat (100); a second slideway (141) is formed on the second top plate (140); and a second groove (142) is formed on the second slideway (141); The second limiting member (500) comprises a slide plate (510), the limiting hook portion (520) extending forward from the slide plate (510), the slide plate (510) sliding in the first slideway (131) and the second slideway (141), a first protrusion (511) being arranged on the left side of the bottom of the slide plate (510), a second protrusion (512) being arranged on the right side of the bottom of the slide plate (510), and a shifting block (530) being arranged on the top surface of the slide plate (510); When the second position-limiting member (500) is moved to working position one, the first protrusion (511) enters the first groove (132), causing the second position-limiting member (500) to stop at working position one; when the second position-limiting member (500) is moved to working position two, the second protrusion (512) enters the second groove (142), causing the second position-limiting member to stop at working position two.

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