Hinge

Abstract

The utility model relates to the technical field of furniture hardware fittings, and provides a hinge which comprises a hinge cup and a hinge arm body, the hinge cup and the hinge arm body are hinged through a connecting arm assembly, a buffer and a buffer transmission part are arranged in the hinge arm body, one end of the buffer transmission part is connected with the connecting arm assembly, and the other end of the buffer transmission part is connected with the hinge arm body in a sliding mode. The buffer transmission part slides in the hinge arm body and acts on the buffer in the hinge opening and closing process, and one end of the buffer acts in the hinge arm body. A buffer arranged on a buffer seat is omitted, a buffer transmission part connected with the connecting arm assembly is arranged on the hinge arm body, the end of the buffer transmission part slides on the inner side of the hinge arm body, and in the hinge closing process, the buffer transmission part moves along with the connecting arm assembly. The other end of the buffer transmission part slides on the inner side of the hinge arm body and always abuts against the buffer to trigger the buffer, so that on one hand, the overall thickness of the hinge can be reduced, and the hinge arm body of the hinge can be designed to be thinner.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of furniture hardware fittings, and particularly relates to a hinge. BACKGROUND

[0002] The buffer of the existing hinge is arranged on the seat body, the seat body is provided with a groove for mounting the buffer, and the mounting of the buffer in the groove in the seat body leads to an increase in the thickness of the entire buffer structure, and further leads to an increase in the thickness of the entire hinge, such as a small-angle thick door buffer hinge disclosed in Chinese patent No. ZL202321804329.4, which comprises a hinge body mounted on the side plate of a cabinet body and a hinge cup mounted on a cabinet door, the hinge body comprises a connecting arm, an outer rocker arm and an inner rocker arm, the rear end of the inner rocker arm is matched with a buffer assembly, the buffer assembly and a three-dimensional adjusting seat of the hinge are arranged on the connecting arm, the buffer assembly comprises a buffer seat, a buffer damper and two elastic members are arranged on the buffer seat, the buffer damper is arranged between the two elastic members, and the buffer shaft of the buffer damper is connected with the buffer seat. SUMMARY

[0003] The utility model provides a hinge, which cancels the arrangement of the buffer on the buffer seat and is provided with a buffer transmission member connected with the connecting arm assembly on the hinge arm body, the end of the buffer transmission member is slid on the inner side of the hinge arm body, during the closing process of the hinge, the buffer transmission member moves with the connecting arm assembly, the other end of the buffer transmission member is slid on the inner side of the hinge arm body and always abuts against the buffer to trigger the buffer, by such arrangement, on the one hand, the overall thickness of the hinge can be reduced, and the hinge arm body of the hinge can be designed to be thinner, on the other hand, during the opening process of the hinge, the technical problem of the small opening angle of the cabinet door leading to the undamped phenomenon of the hinge is solved, so that even if the cabinet door has a small opening angle, the other end of the buffer transmission member can still effectively trigger the buffer, and the hinge with a small opening angle still has the closing effect.

[0004] A hinge designed for the purpose, comprising a hinge cup and a hinge arm body, a connecting arm assembly is arranged between the hinge cup and the hinge arm body, the hinge cup and the hinge arm body are hingedly connected through the connecting arm assembly, a buffer and a buffer transmission member are arranged in the hinge arm body, one end of the buffer transmission member is connected with the connecting arm assembly, and the other end of the buffer transmission member is slidably connected with the hinge arm body; the buffer transmission member slides in the hinge arm body and acts on the buffer during the opening and closing process of the hinge, and one end of the buffer acts in the hinge arm body.

[0005] A step position for the sliding of the buffer transmission member is arranged in the hinge arm body, a rolling member matched with the step position is arranged on the buffer transmission member, the buffer transmission member slides in the hinge arm body, and the rolling member and the step position form rolling contact.

[0006] The buffer transmission member is provided with a connecting hole part, and the rolling member is in clearance fit with the connecting hole part.

[0007] The hinge further comprises a bottom plate arranged on the bottom of the hinge arm body, and the buffer transmission member and the rolling member thereof and the buffer are arranged in linear arrangement between the bottom plate and the hinge arm body.

[0008] The first adjusting member is arranged between the bottom plate and the hinge arm body, and the bottom plate and the hinge arm body are connected with the first adjusting member respectively.

[0009] The first limiting groove is arranged on the bottom plate, and the buffer is limited on the outside of the first limiting groove.

[0010] The second limiting groove is arranged on the bottom plate, and the buffer transmission member is in zigzag shape and at least partially limited on the second limiting groove.

[0011] The adjusting hole part matched with the fastener is arranged on the bottom plate, and the fastener is movably arranged on the adjusting hole part to adjust the relative fixed position of the bottom plate.

[0012] The second adjusting member is arranged on the hinge cup, and the hinge cup and the door plate are connected with the second adjusting member respectively, and the second adjusting member is rotatably arranged between the hinge cup and the door plate to adjust the relative front and back positions of the hinge cup and the door plate.

[0013] The connecting member and the opening groove for accommodating the connecting member are arranged on the hinge cup, the connecting arm assembly comprises an inner rocker arm and an outer rocker arm, one end of the inner rocker arm and the outer rocker arm is connected with the connecting member respectively, and the other end of the inner rocker arm and the outer rocker arm is connected with the hinge arm body respectively.

[0014] The outer rocker arm is provided with a limiting groove part, and one end of the buffer transmission member is limited in the limiting groove part and connected with the outer rocker arm.

[0015] The spring is arranged in the hinge arm body, one end of the spring is elastically arranged on the connection between the hinge arm body and the connecting arm assembly, and the other end of the spring is elastically arranged on the inner side of the hinge arm body, so that the hinge is elastically opened through the spring.

[0016] The beneficial technical effects of the utility model are as follows:

[0017] By canceling the buffer is set on the buffer seat, and the hinge arm body is provided with a buffer transmission connected with the connecting arm assembly, the end of the buffer transmission slides on the inside of the hinge arm body, when the hinge is closed, the buffer transmission follows the connecting arm assembly, the other end of the buffer transmission slides on the inside of the hinge arm body and always abuts on the buffer, so as to trigger the buffer, by setting in this way, on the one hand, the overall thickness of the hinge can be reduced, the hinge arm body of the hinge can be designed to be thinner, the material cost of the hinge arm body is effectively reduced, and the production cost of the product is further reduced, on the other hand, during the opening of the hinge, the technical problem of small opening angle of the cabinet door causing the hinge to have no damping phenomenon is solved, so even if the opening angle of the cabinet door is small, the other end of the buffer transmission still effectively triggers the buffer, so that the hinge with small opening angle still has the effect of closing buffer. BRIEF DESCRIPTION OF DRAWINGS

[0018] The utility model will be explained further in detail in combination with the drawings and specific embodiment.

[0019] Figure 1 It is the three-dimensional structure schematic diagram of the hinge fixed on the cabinet body and the door plate of one embodiment of the utility model.

[0020] Figure 2 It is the structure schematic diagram of the hinge assembly of one embodiment of the utility model.

[0021] Figure 3 It is the three-dimensional sectional structure schematic diagram of the hinge of one embodiment of the utility model.

[0022] Figure 4 It is the three-dimensional sectional structure schematic diagram of the hinge of one embodiment of the utility model.

[0023] Figure 5 It is the internal structure schematic diagram of the hinge arm body of one embodiment of the utility model.

[0024] Figure 6 It is the three-dimensional structure schematic diagram of the hinge cup of one embodiment of the utility model.

[0025] Figure 7 It is the structure schematic diagram of the assembly of the hinge cup and the connecting piece of one embodiment of the utility model. SPECIFIC EMBODIMENT

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below in combination with the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. In order to make the above purposes, characteristics and advantages of the present application more obvious and easy to understand, many specific details are described in the following description so as to be fully understood. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0027] Referring to Figures 1-7 A hinge, comprising a hinge cup 1 and a hinge arm body 2, a connecting arm assembly 3 is arranged between the hinge cup 1 and the hinge arm body 2, the hinge cup 1 and the hinge arm body 2 are hinged through the connecting arm assembly 3, a buffer 4 and a buffer transmission member 5 are arranged in the hinge arm body 2, one end of the buffer transmission member 5 is connected with the connecting arm assembly 3, and the other end of the buffer transmission member 5 is slidably connected with the hinge arm body 2; the buffer transmission member 5 slides in the hinge arm body 2 and acts on the buffer 4 in the hinge opening and closing process, and one end of the buffer 4 acts in the hinge arm body 2.

[0028] By canceling the buffer 4 arranged on the buffer seat and arranging the buffer transmission member 5 connected with the connecting arm assembly 3 on the hinge arm body 2, the end of the buffer transmission member 5 slides on the inner side of the hinge arm body 2, when the hinge is closed, the buffer transmission member 5 moves with the connecting arm assembly 3, the other end of the buffer transmission member 5 slides on the inner side of the hinge arm body 2 and always abuts on the buffer 4 to trigger the buffer 4, by such arrangement, on the one hand, the overall thickness of the hinge can be reduced, the hinge arm body 2 of the hinge can be designed to be thinner, the material cost of the hinge arm body 2 is effectively reduced, and the production cost of the product is further reduced, on the other hand, in the hinge opening process, the technical problem that the hinge produces no damping phenomenon due to small opening angle of the cabinet door is solved, so even if the opening angle of the cabinet door is small, the other end of the buffer transmission member 5 still effectively triggers the buffer, and the hinge with small opening angle still has the buffer closing effect.

[0029] The hinge arm body 2 is internally provided with a step position 6 for the buffer transmission member 5 to slide, the buffer transmission member 5 is provided with a rolling member 7 matched with the step position 6, the buffer transmission member 5 slides in the hinge arm body 2, and the rolling member 7 and the step position 6 form rolling contact.

[0030] In the embodiment, the rolling member 7 is a cylindrical pin, which is limited between the left and right inner sides of the hinge arm body 2. During the closing process of the hinge, the connecting arm assembly 3 moves towards the hinge arm body 2, and the buffer transmission member 5 moves along with the connecting arm assembly 3. Since the rolling member 7 is supported on the stepped position 6, the rolling member 7 rolls on the stepped position 6 during the movement of the buffer transmission member 5, so that the buffer transmission member 5 slides on the inner side of the hinge arm body 2 and acts on the buffer 4, thereby generating the buffer closing effect of the hinge. During the opening and closing process of the hinge, the sliding friction between the rolling member 7 of the buffer transmission member 5 and the inner side of the hinge arm body 2 is small, so that the noise generated during the opening and closing process of the hinge is small, and the hinge is relatively quiet.

[0031] In the embodiment, the buffer 4 includes a housing and a piston rod arranged in the housing in an extendable manner. The piston rod acts on the inner side of the hinge arm body 2, and the end of the buffer transmission member 5 acts on the housing.

[0032] The buffer transmission member 5 is provided with a connecting hole portion 9, and the rolling member 7 is in clearance fit with the connecting hole portion 9. The rolling member 7 is limited in the connecting hole portion 9 during rolling.

[0033] In the embodiment, one end of the buffer transmission member 5 is also provided with a connecting shaft hole connected with the connecting arm assembly 3.

[0034] The hinge further includes a bottom plate 8 arranged on the bottom of the hinge arm body 2. The buffer transmission member 5, the rolling member 7 thereof, and the buffer 4 are limitedly installed between the bottom plate 8 and the hinge arm body 2. The buffer transmission member 5 and the buffer 4 are arranged in a linear manner between the bottom plate 8 and the hinge arm body 2, so that the overall thickness of the hinge arm body 2 can be designed to be thinner.

[0035] In the embodiment, the hinge arm body 2 is internally provided with a receiving cavity for accommodating the buffer transmission member 5 and the buffer 4.

[0036] The first adjusting member 10 is arranged between the bottom plate 8 and the hinge arm body 2. The bottom plate 8 and the hinge arm body 2 are respectively connected with the first adjusting member 10, and the first adjusting member 10 is rotationally arranged between the bottom plate 8 and the hinge arm body 2, so as to adjust the relative front and back positions of the bottom plate 8 and the hinge arm body 2.

[0037] In the embodiment, the first adjusting member 10 is an eccentric screw, the bottom plate 8 is provided with a first threaded hole 22 connected with the eccentric screw, the hinge arm body 2 is provided with a first adjusting hole 23 matched with the head of the eccentric screw, the eccentric threaded shaft of the eccentric screw is inserted into the first threaded hole 22, when the bottom plate 8 is fixed on the inner side plate 24 of the cabinet body, the hinge arm body 2 is driven to move left and right on the bottom plate 8 when the eccentric screw is rotated, the buffer transmission member 5, the buffer 4 installed on the hinge arm body 2, and the hinge cup 1 connected with the hinge arm body 2 also move with the hinge arm body 2, thereby adjusting the relative front and back positions between the door plate 14 and the cabinet body.

[0038] The bottom plate 8 is provided with a first limiting groove 11, the buffer 4 is limited on the first limiting groove 11 on the outside, avoiding the buffer 4 from moving easily between the bottom plate 8 and the hinge arm body 2 after installation, ensuring that the buffer 4 is always positioned between the bottom plate 8 and the hinge arm body 2 during the adjustment process and the opening and closing process of the hinge.

[0039] The bottom plate 8 is provided with a second limiting groove 12, the buffer transmission member 5 is zigzag-shaped, and at least part of the buffer transmission member 5 is limited on the second limiting groove 12, avoiding the buffer transmission member 5 from moving easily between the bottom plate 8 and the hinge arm body 2 after installation, ensuring that the buffer transmission member 5 is always positioned between the bottom plate 8 and the hinge arm body 2 during the adjustment process and the opening and closing process of the hinge.

[0040] The bottom plate 8 is provided with an adjusting hole part 13 matched with the fastener, the fastener is relatively movable on the adjusting hole part 13, to adjust the relative fixed position of the bottom plate 8.

[0041] In the embodiment, the adjusting hole part 13 is in the shape of a strip hole, when the bottom plate 8 is installed on the inner side plate 24 of the cabinet body, the screw is inserted into the adjusting hole part 13 of the bottom plate 8 and the inner side plate 24, in the case that the screw is not locked, the bottom plate 8 moves up and down on the inner side plate 24, when the bottom plate 8 is adjusted to the appropriate fixed position, the screw is locked again.

[0042] The hinge cup 1 is fixed on the door plate 14, the hinge cup 1 is provided with a second adjusting member 15, the hinge cup 1 and the door plate 14 are connected with the second adjusting member 15 respectively, and the second adjusting member 15 is rotationally arranged between the hinge cup 1 and the door plate 14, to adjust the relative front and back positions between the hinge cup 1 and the door plate 14.

[0043] In the embodiment, the door plate 14 is provided with a second threaded hole, the hinge cup 1 is provided with a second adjusting hole 25, the connecting piece 16 is provided with an extension block 26 abutting against the second adjusting hole 25, the extension block 26 is provided with a through hole, the second adjusting piece 15 is an eccentric screw, the eccentric screw is inserted into the through hole of the extension block 26 and the second threaded hole of the door plate 14, the head of the eccentric screw is limited on the second adjusting hole 25, when the eccentric screw is rotated, since the hinge cup 1 is relatively fixed on the hinge arm body 2, the hinge arm body 2 and the bottom plate 8 are fixed on the inner side plate 24 of the cabinet body, thus the door plate 14 is moved forward and backward relative to the hinge cup 1 to adjust the relative position between the door plate 14 and the cabinet body, the door plate 14 is moved alone, the adjustment is stable, and the adjustment structure that the whole hinge drives the door plate 14 to move on the outside of the cabinet body is effectively replaced.

[0044] The hinge cup 1 is provided with the connecting piece 16 and an open slot 17 for accommodating the connecting piece 16, the connecting arm assembly 3 comprises an inner swing arm 18 and an outer swing arm 19, one end of the inner swing arm 18 and one end of the outer swing arm 19 are connected with the connecting piece 16 respectively, the other end of the inner swing arm 18 and the other end of the outer swing arm 19 are connected with the hinge arm body 2 respectively;

[0045] In the embodiment, the inner swing arm 18 and the outer swing arm 19 are connected with the hinge cup 1 and the connecting piece 16 through connecting shafts respectively, and the inner swing arm 18 and the outer swing arm 19 are connected with the hinge arm body 2 through connecting shafts respectively, which is the prior art, and the corresponding connecting structure is not described in detail here.

[0046] In the embodiment, the connecting piece 16 is partially limitedly embedded in the open slot 17 of the hinge cup 1, and the hinge cup 1 and the connecting piece 16 are provided with shaft holes for penetrating the connecting shafts.

[0047] The outer swing arm 19 is provided with a limiting slot portion 20, and one end of the buffer transmission member 5 is limited in the limiting slot portion 20 and connected with the outer swing arm 19.

[0048] In the embodiment, the outer swing arm 19 and the buffer transmission member 5 are connected through connecting shafts.

[0049] The hinge arm body 2 is provided with a spring 21, one end of the spring 21 is elastically applied to the connection between the hinge arm body 2 and the connecting arm assembly 3, and the other end of the spring 21 is elastically applied to the inner side of the hinge arm body 2, so that the hinge is elastically opened through the spring 21.

[0050] In the embodiment, after the spring 21 is penetrated through the connecting shaft, the connecting shafts are fixed on the inner side of the hinge arm body 2 at both ends.

[0051] In the embodiment, the hinge arm body 2 is provided with a first decorative cover 28, the hinge cup 1 is provided with a second decorative cover 27, the second decorative cover 27 is snap-connected with the hinge cup 1, and the first decorative cover 28 is snap-connected with the bottom plate 8, so that the decorative covers shield the corresponding screw fasteners and the corresponding eccentric screw adjusting pieces.

[0052] The above merely describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A hinge comprising a hinge cup (1) and a hinge arm body (2), a connecting arm assembly (3) being arranged between the hinge cup (1) and the hinge arm body (2), the hinge cup (1) and the hinge arm body (2) being hinged by the connecting arm assembly (3), characterized in that: The hinge arm body (2) is provided with a buffer (4) and a buffer transmission member (5). One end of the buffer transmission member (5) is connected with the connecting arm assembly (3), and the other end of the buffer transmission member (5) is slidably connected with the hinge arm body (2). The buffer transmission member (5) slides in the hinge arm body (2) and acts on the buffer (4) during the opening and closing of the hinge, and one end of the buffer (4) acts in the hinge arm body (2).

2. Hinge according to claim 1, characterized in that: The hinge arm body (2) is provided with a step position (6) for the buffer transmission member (5) to slide. The buffer transmission member (5) is provided with a rolling member (7) matched with the step position (6). The buffer transmission member (5) slides in the hinge arm body (2), and the rolling member (7) and the step position (6) form a rolling contact.

3. Hinge according to claim 2, characterized in that: The buffer transmission member (5) is provided with a connecting hole portion (9). The rolling member (7) is matched with the connecting hole portion (9) in clearance. The rolling member (7) is limited in the connecting hole portion (9) during rolling.

4. The hinge of claim 2, wherein: Further comprising a bottom plate (8) arranged on the bottom of the hinge arm body (2). The buffer transmission member (5), the rolling member (7) and the buffer (4) are limitedly arranged between the bottom plate (8) and the hinge arm body (2). The buffer transmission member (5) and the buffer (4) are arranged in a linear type between the bottom plate (8) and the hinge arm body (2).

5. Hinge according to claim 4, characterized in that: The first adjusting member (10) is arranged between the bottom plate (8) and the hinge arm body (2). The bottom plate (8) and the hinge arm body (2) are respectively connected with the first adjusting member (10). The first adjusting member (10) is rotatably arranged between the bottom plate (8) and the hinge arm body (2) to adjust the relative front and back positions of the bottom plate (8) and the hinge arm body (2).

6. The hinge of claim 4, wherein: The first limiting groove (11) is arranged on the bottom plate (8). The buffer (4) is limited on the first limiting groove (11) on the outside. The second limiting groove (12) is arranged on the bottom plate (8). The buffer transmission member (5) is in a zigzag shape. At least part of the buffer transmission member (5) is limited on the second limiting groove (12).

7. The hinge of claim 4, wherein: The adjusting hole portion (13) matched with the fastener is arranged on the bottom plate (8). The fastener is movably arranged on the adjusting hole portion (13) to adjust the relative fixed position of the bottom plate (8).

8. The hinge of claim 1, wherein: The hinge cup (1) is fixed on the door plate (14). The second adjusting member (15) is arranged on the hinge cup (1). The hinge cup (1) and the door plate (14) are respectively connected with the second adjusting member (15). The second adjusting member (15) is rotatably arranged between the hinge cup (1) and the door plate (14) to adjust the relative front and back positions of the hinge cup (1) and the door plate (14).

9. The hinge of claim 1, wherein: The connecting member (16) and the open groove (17) for accommodating the connecting member (16) are arranged on the hinge cup (1). The connecting arm assembly (3) comprises an inner rocker arm (18) and an outer rocker arm (19). One end of the inner rocker arm (18) and one end of the outer rocker arm (19) are respectively connected with the connecting member (16). The other end of the inner rocker arm (18) and the other end of the outer rocker arm (19) are respectively connected with the hinge arm body (2). The outer rocker arm (19) is provided with a limiting groove portion (20). One end of the buffer transmission member (5) is limited in the limiting groove portion (20) and connected with the outer rocker arm (19).

10. The hinge of claim 1, wherein: The hinge arm body (2) is provided with a spring (21), one end of the spring (21) elastically acts on the connection between the hinge arm body (2) and the connecting arm assembly (3), and the other end of the spring (21) elastically acts on the inner side of the hinge arm body (2), so that the hinge is elastically opened through the spring (21).

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