One-way buffering hinge

Abstract

The utility model discloses a one-way buffer hinge which comprises a first hinge seat, a second hinge seat and a pivot joint piece, the pivot joint piece is fixedly arranged on the first hinge seat, a buffer mechanism is arranged on the second hinge seat, the buffer mechanism comprises an installation seat, an elastic piece and a damper, the elastic piece and the damper are arranged in the installation seat, and a containing groove is formed in the inner side face of the second hinge seat. The mounting seat is fixedly arranged in the accommodating groove, a rotating part is arranged at the end part of the pivoting piece, the rotating part is pivoted with the mounting seat, and the rotating part is propped against the elastic piece and the damper, so that the elastic piece and the damper act on the rotating part, on one hand, rotation between the first hinge seat and the second hinge seat is realized through the rotating part of the pivoting piece, and on the other hand, rotation between the first hinge seat and the second hinge seat is realized; when the door is opened, the rotating part abuts against the elastic part and enables the elastic part to be in an energy storage state, when the door is closed, the spring releases potential energy, damping buffering is provided through the damper, and the hinge is slowly closed; the structure is relatively simple, and installation is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of glass door hinges, in particular to a one-way buffer hinge. Background Art

[0002] A glass door hinge is a connecting piece used for installing a glass door. Generally, a glass door hinge consists of a fixed leaf, a movable leaf and a rotating shaft. The leaves are respectively connected to the frame and the glass door, and then connected through the rotating shaft to movably connect the frame and the glass door. In order to counteract the elastic force of the spring when the hinge is closed, a damper needs to be added inside the hinge to form a buffering effect when closing the door, overcoming the noise interference caused by quickly closing the door.

[0003] The applicant publicly disclosed a single-opening hydraulic buffer glass door hinge with the application number 202222130841.7 on December 27, 2022. Its moving seat is rotatably hinged to the limit shaft mounting seat through a limit shaft. A limit cam is provided in the middle section of the limit shaft. A damper is provided in the moving seat corresponding to the limit cam. The extending end of the damper contacts the first hinge seat. A rib is provided at the end of the cylinder body of the damper corresponding to the limit cam. First springs and second springs for providing a return acting force for the limit shaft are respectively provided on both sides of the damper. Although it solves the buffering problem of the glass hinge closing too fast, there is currently a problem that the limit shaft is arranged in the limit shaft mounting seat. This kind of structure not only requires a high production process precision, but also the installation process is relatively complex, resulting in too low production efficiency of the enterprise and affecting the manufacturing cost. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a one-way buffer hinge to solve the problems put forward in the above background art.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A one-way buffer hinge, comprising:

[0006] A first hinge seat, on which a pivot member is fixedly provided;

[0007] A second hinge seat, on which a buffer mechanism is provided. The buffer mechanism includes a mounting seat and an elastic member and a damper provided in the mounting seat. A receiving groove is provided on the inner side surface of the second hinge seat, and the mounting seat is fixedly provided in the receiving groove;

[0008] A pivot member, a rotating portion is provided at the end of the pivot member. The rotating portion is pivotally connected to the mounting seat, and the rotating portion abuts against the elastic member and the damper, so that the elastic member and the damper act on the rotating portion.

[0009] Preferably, at least two positioning posts are provided on the accommodating groove, positioning holes corresponding to the positioning posts are provided on the mounting base, fixing screws are provided in the positioning holes, and the fixing screws pass through the positioning holes and are screwed to the positioning posts.

[0010] Preferably, the positioning posts are frustum-shaped, and the rear end portions of the positioning holes are frustum-shaped corresponding to the positioning posts.

[0011] Preferably, a rotating cavity for the rotating part to rotate is provided at the end of the mounting base. A first accommodating cavity for placing an elastic member and a second accommodating cavity for placing a damper are provided in the mounting base. The first accommodating cavity and the second accommodating cavity penetrate to the rotating cavity so that the elastic member and the damper are in contact with the rotating part.

[0012] Preferably, a first adjusting screw is screwed at one end of the first accommodating cavity away from the rotating cavity, the first adjusting screw abuts against the elastic member, a second adjusting screw is screwed at one end of the second accommodating cavity away from the rotating cavity, and the second adjusting screw abuts against the damper.

[0013] Preferably, a first cam portion and a second cam portion are provided on the rotating part. The first cam portion includes a closing spring platform and an opening spring platform. The elastic member abuts against the closing spring platform and the opening spring platform in the closing and opening states respectively. The second cam portion is a bevel structure. A convex block is provided at the end of the cylinder body of the damper, and the convex block abuts against the second cam portion.

[0014] Preferably, the elastic member is a compression spring, and a first spring top member and a second spring top member are respectively provided at both ends of the elastic member. The first spring top member abuts against the first cam portion, and the second spring top member abuts against the first adjusting screw.

[0015] Preferably, a limit pin is provided on the rotating part, a limit groove is provided on the mounting base, and the limit pin moves in the limit groove.

[0016] Compared with the prior art, the beneficial effects of the present utility model include: by providing a buffer mechanism on the accommodating groove of the second hinge seat, the buffer mechanism is composed of a mounting base and the elastic member and the damper inside it. On the one hand, the rotating part of the pivot member is used to realize the rotation between the first hinge seat and the second hinge seat. On the other hand, it is used to trigger the elastic member and the damper. In the opening state, the rotating part abuts against the elastic member and makes it in an energy storage state. When closing the door, the spring releases potential energy and provides damping buffering through the damper, so that the hinge closes slowly; the structure is relatively simple and the installation is more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional perspective structural schematic diagram of the first embodiment of the present utility model.

[0018] Figure 2 This is a schematic top - view structure diagram of the first embodiment of the present utility model.

[0019] Figure 3 This is a schematic exploded - view structure diagram of the first embodiment of the present utility model.

[0020] Figure 4 This is a schematic structure diagram of the mounting base of the present utility model.

[0021] Figure 5 This is a three - dimensional schematic diagram of the open - door state of the pivotal connection part of the present utility model.

[0022] Figure 6 This is a schematic top - view structure diagram of the second embodiment of the present utility model.

[0023] In the figure: the first hinge seat 10, the second hinge seat 20, the accommodation groove 201, the positioning post 202, the pivotal connection member 30, the rotating part 31, the first cam part 311, the closing - door spring platform 311a, the opening - door spring platform 311b, the second cam part 312, the limit pin 313, the mounting base 40, the positioning hole 401, the fixing screw 402, the rotating cavity 403, the first accommodation cavity 404, the second accommodation cavity 405, the first adjusting screw 406, the second adjusting screw 407, the limit groove 408, the elastic member 50, the first spring top member 501, the second spring top member 502, the damper 60, the convex block 601, the mounting clamp 70. Detailed implementation manners

[0024] The embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. Although some embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model can be implemented in various forms and should not be construed as limited to the embodiments set forth herein. On the contrary, these embodiments are provided to more thoroughly and completely understand the present utility model. It should be understood that the drawings and embodiments of the present utility model are only for exemplary purposes and are not used to limit the protection scope of the present utility model.

[0025] It should be understood that the various steps recorded in the method implementation manners of the present utility model can be executed in a different order and / or in parallel. In addition, the method implementation manners may include additional steps and / or omit the steps shown. The scope of the present utility model is not limited in this regard.

[0026] As used herein, the term "including" and its variants are open-ended, i.e., "including but not limited to". The term "connected" can be directly connected or indirectly connected through an intermediate component (element). The term "one embodiment" means "at least one embodiment"; the term "another embodiment" means "at least one additional embodiment"; the term "some embodiments" means "at least some embodiments". The relevant definitions of other terms will be given in the following description.

[0027] It should be noted that the concepts such as "first", "second", etc. mentioned in the present utility model are only used to distinguish devices, modules or units, and are not used to limit that these devices, modules or units must be different devices, modules or units, nor are they used to limit the order or interdependence relationship of the functions performed by these devices, modules or units.

[0028] Embodiment 1

[0029] As Figures 1 to 5 shown, a one-way buffer hinge includes a first hinge seat 10, a second hinge seat 20 and a pivot member 30. The pivot member 30 is fixedly provided on the first hinge seat 10; the pivot member 30 is a curved arm structure, and the included angle between its length direction and the first hinge seat 10 is 180 degrees, which is used for the horizontal installation scenario of the glass door.

[0030] Specifically, a buffer mechanism is provided on the second hinge seat 20. The buffer mechanism includes a mounting seat 40, an elastic member 50 and a damper 60 arranged in the mounting seat 40. A receiving groove 201 is provided on the inner side surface of the second hinge seat 20, and the mounting seat 40 is fixedly arranged in the receiving groove 201; precisely, at least two positioning posts 202 are provided on the receiving groove 201, positioning holes 401 corresponding to the positioning posts 202 are provided on the mounting seat 40, and fixing screws 402 are arranged in the positioning holes 401. The fixing screws 402 pass through the positioning holes 401 and are screwed with the positioning posts 202; during the installation process, the two positioning holes 401 of the mounting seat 40 are corresponding to the two positioning posts 202 on the receiving groove 201, and then the mounting seat 40 is fixed in the receiving groove 201 through the fixing screws 402 in the positioning holes 401. This structure is not only convenient for installation, but also the fixing screws 402 cannot be seen on the outer surface of the second hinge seat 20, making the overall hinge more beautiful.

[0031] In addition, the positioning posts 202 are frustum-shaped, and the rear end part of the positioning holes 401 corresponds to the positioning posts 202 and is frustum-shaped; this structure provides a guiding function during the installation of the mounting seat 40, making the installation of the buffer mechanism more accurate and improving the working stability of the hinge.

[0032] Specifically, a rotating part 31 is provided at the end of the pivot joint 30. The rotating part 31 is pivotally connected to the mounting seat 40, and the rotating part 31 abuts against the elastic member 50 and the damper 60, so that the elastic member 50 and the damper 60 act on the rotating part 31. On the one hand, the rotation between the first hinge seat 10 and the second hinge seat 20 is realized through the rotating part 31 of the pivot joint 30. On the other hand, it is used to trigger the elastic member 50 and the damper 60. When the door is in the open state, the rotating part 31 abuts against the elastic member 50 and makes it in the energy storage state. When the door is closed, the spring releases potential energy and provides damping buffering through the damper 60, so that the hinge closes slowly. This structure is relatively simple and more convenient to install.

[0033] Specifically, a rotating cavity 403 for the rotating part 31 to rotate is provided at the end of the mounting seat 40. A first accommodating cavity 404 for placing the elastic member 50 and a second accommodating cavity 405 for placing the damper 60 are provided in the mounting seat 40. The first accommodating cavity 404 and the second accommodating cavity 405 penetrate through to the rotating cavity 403, so that the elastic member 50 and the damper 60 abut against the rotating part 31. This solution can not only ensure the compactness of the hinge structure, but also has better closing energy storage and buffering effects.

[0034] Specifically, a first adjusting screw 406 is screwed at one end of the first accommodating cavity 404 away from the rotating cavity 403. The first adjusting screw 406 abuts against the elastic member 50. Twist the first adjusting screw 406 to make it move relative to the elastic member 50, and adjust the closing speed by adjusting the energy storage released during closing. A second adjusting screw 407 is screwed at one end of the second accommodating cavity 405 away from the rotating cavity 403. The second adjusting screw 407 abuts against the damper 60. When the energy storage released by the elastic member 50 during closing changes, twist the second adjusting screw 407 to make it move relative to the damper 60, and adjust the damping force of the damper 60. The damper 60 is used to offset the energy storage released by the elastic member 50 to realize the slow closing of the door body.

[0035] Specifically, a first cam portion 311 and a second cam portion 312 are provided on the rotating part 31. The first cam portion 311 includes a closing spring platform 311a and an opening spring platform 311b. The elastic member 50 abuts against the closing spring platform 311a and the opening spring platform 311b respectively when the door is closed and opened. The second cam portion 312 is a bevel structure. A convex block 601 is provided at the end of the cylinder body of the damper 60. The convex block 601 abuts against the second cam portion 312. When the door body is opened, the elastic member 50 is converted from abutting against the closing spring platform 311a to the opening spring platform 311b, and the elastic member 50 is pressed by the opening spring platform 311b to realize elastic energy storage. During this process, the convex block 601 at the end of the damper 60 moves along the bevel surface of the second cam portion 312. It should be understood that there are limiting convex points on the bevel surface. In the open state of the door, without external interference, the convex block 601 is restricted by the limiting convex points, so that the door body cannot close automatically.

[0036] Specifically, the elastic member 50 is a compression spring. First spring top members 501 and second spring top members 502 are respectively arranged at two ends of the elastic member 50. The first spring top member 501 abuts against the first cam portion 311, and the second spring top member 502 abuts against the first adjusting screw 406. This structure avoids direct wear of the elastic member 50, so as to prevent reduction of the service life of the elastic member 50.

[0037] Specifically, a limit pin 313 is arranged on the rotating part 31, and a limit groove 408 is arranged on the mounting seat 40. The limit pin 313 moves within the limit groove 408. Exactly speaking, the limit groove 408 is an arc-shaped structure. When the rotating part 31 rotates, the limit pin 313 moves in an arc within the limit groove 408, which is used to limit the rotation angle of the hinge.

[0038] In addition, mounting clamping plates 70 are arranged on the sides of the first hinge seat 10 and the second hinge seat 20. The hinge installation is completed by placing the first hinge seat 10 and the mounting clamping plate 70 on both sides of the fixed glass respectively and then fixing them with screws, and then placing the second hinge seat 20 and the mounting clamping plate 70 on both sides of the fixed glass respectively and then fixing them with screws.

[0039] Embodiment 2

[0040] As Figure 6 shown, a one-way buffer hinge includes a first hinge seat 10, a second hinge seat 20 and a pivoting member 30. The pivoting member 30 is fixedly arranged on the first hinge seat 10; the pivoting member 30 is a crank arm structure, and the included angle between its length direction and the first hinge seat 10 is 90 degrees, which is used for the vertical installation scenario of the glass door.

[0041] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A one-way buffer hinge, characterized in that: include: A first hinge seat (10), wherein a pivot member (30) is fixedly disposed on the first hinge seat (10); A second hinge seat (20), wherein a buffer mechanism is disposed in the second hinge seat (20), the buffer mechanism comprising a mounting seat (40) and an elastic member (50) and a damper (60) disposed in the mounting seat (40), an inner side surface of the second hinge seat (20) being provided with a receiving groove (201), and the mounting seat (40) being fixedly disposed in the receiving groove (201); A pivot member (30), wherein a rotating portion (31) is disposed at an end of the pivot member (30), the rotating portion (31) is pivotally connected to the mounting seat (40), and the rotating portion (31) abuts against the elastic member (50) and the damper (60), so that the elastic member (50) and the damper (60) exert force on the rotating portion (31).

2. A one-way buffer hinge according to claim 1, characterized in that: At least two positioning columns (202) are arranged on the receiving groove (201), and positioning holes (401) are arranged on the mounting seat (40) corresponding to the positioning columns (202). A fixing screw (402) is arranged in the positioning hole (401), and the fixing screw (402) passes through the positioning hole (401) and is screwed to the positioning column (202).

3. The one-way buffer hinge according to claim 2, characterized in that: The positioning column (202) is in the shape of a truncated cone, and the rear end portion of the positioning hole (401) is in the shape of a truncated cone corresponding to the positioning column (202).

4. The one-way buffer hinge according to claim 1, characterized in that: The end of the mounting seat (40) is provided with a rotating chamber (403) for the rotating part (31) to rotate, and the mounting seat (40) is provided with a first accommodating chamber (404) for accommodating the elastic member (50) and a second accommodating chamber (405) for accommodating the damper (60), and the first accommodating chamber (404) and the second accommodating chamber (405) penetrate into the rotating chamber (403) so that the elastic member (50) and the damper (60) are in contact with the rotating part (31).

5. The one-way buffer hinge according to claim 4, characterized in that: A first adjusting screw (406) is threadedly connected to one end of the first accommodating chamber (404) away from the rotating chamber (403), and the first adjusting screw (406) abuts against the elastic member (50); a second adjusting screw (407) is threadedly connected to one end of the second accommodating chamber (405) away from the rotating chamber (403), and the second adjusting screw (407) abuts against the damper (60).

6. The one-way buffer hinge according to claim 1, characterized in that: The rotating part (31) is provided with a first cam part (311) and a second cam part (312); the first cam part (311) includes a door-closing spring platform (311a) and a door-opening spring platform (311b); the elastic member (50) abuts against the door-closing spring platform (311a) and the door-opening spring platform (311b) in the door-closing state and the door-opening state, respectively; the second cam part (312) is a slope structure; a protrusion (601) is provided on the end of the cylinder body of the damper (60); the protrusion (601) abuts against the second cam part (312).

7. The one-way buffer hinge according to claim 6, characterized in that: The elastic member (50) is a compression spring, and a first spring top member (501) and a second spring top member (502) are respectively provided at two ends of the elastic member (50), the first spring top member (501) abuts against the first cam portion (311), and the second spring top member (502) abuts against the first adjusting screw (406).

8. The one-way buffer hinge according to claim 1, characterized in that: The rotating part (31) is provided with a limit pin (313), the mounting seat (40) is provided with a limit slot (408), and the limit pin (313) moves in the limit slot (408).

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