A hinge with buffered positioning closure

Abstract

A hinge with buffered positioning and closing includes a housing that is rotatably connected to a bracket through a rotating shaft, and an elastic member is provided on the housing corresponding to the rotating shaft; a damper is provided inside the housing, and a positioning assembly is provided between the elastic member and the rotating shaft in the direction in which the bracket rotates toward the driving member, so that the bracket can be positioned and rotated through the positioning assembly. The housing of the present invention is also provided with a driving member that triggers the movement of the damper, and the bracket contacts the driving member by rotation, so that the driving member drives the damper to move, and when closing, it plays a buffering role to prevent the bracket from colliding when rotating and closing, and in the direction in which the damper moves along the accommodating chamber, a first guide portion is provided between the damper and the accommodating chamber, so that the damper moves along a set trajectory, thereby improving the stability of the hinge.

Description

Technical Field

[0001] The invention relates to a hinge, in particular to a hinge with buffer positioning closing function. Background Art

[0002] Chinese patent document No. CN106677638A disclosed on May 17, 2017, a hinge device for connecting a frame and a door of a container, comprising: a hinge plate, one side of the hinge plate having a pin barrel; a hinge pin, having a large-diameter shaft end and a small-diameter shaft rod that can move freely inside the pin barrel; and an upper fixing part and a lower fixing part, which are fixed to the frame; wherein the lower fixing part is formed with a lower hole; the upper fixing part is formed with an upper hole and an opening connected to the upper hole, the opening comprising a large-size opening and a small-size opening connected to the large-size opening, the lateral size of the large-size opening enables the large-diameter shaft end to enter the upper hole, and the lateral size of the small-size opening is smaller than the outer diameter of the large-diameter shaft end; in the assembled state of the hinge device, the lower end of the small-diameter shaft rod falls into the lower hole by the dead weight of the hinge pin, and the large-diameter shaft end enters the upper hole through the large-size opening and at least a portion of the large-diameter shaft end is positioned at a position corresponding to the small-size opening in the upper hole while the lower end of the small-diameter shaft rod falls into the lower hole. When the hinge plate and the hinge pin are removed from between the upper fixing part and the lower fixing part through the opening formed in the upper fixing part, the hinge plate and the hinge pin can rotate relative to the rotatable unit around the rotating shaft as a whole, so that the hinge plate and the hinge pin can be separated from the upper fixing part and the lower fixing part fixed to the frame when the door remains in a closed state. However, the structure lacks a positioning structure when the hinge is opened and closed. Therefore, further improvement is needed. Summary of the invention

[0003] The purpose of the present invention is to provide a hinge with buffering positioning closing which has a reasonable and stable structure and plays a buffering positioning role when closing, so as to overcome the shortcomings of the prior art.

[0004] A hinge with buffered positioning and closing designed for this purpose includes a shell that is rotatably connected to a bracket through a rotating shaft, and the shell is provided with an elastic member corresponding to the rotating shaft; a damper is provided inside the shell, and the shell is also provided with a driving member that triggers the movement of the damper, and the bracket contacts the driving member by rotating so that the driving member drives the damper to move; in the rotation direction of the bracket toward the driving member, a positioning assembly is provided between the elastic member and the rotating shaft, so that the bracket can be positioned and rotated through the positioning assembly.

[0005] The outer shell is provided with a mounting frame for mounting the damper and the driving member, the mounting frame is provided with a accommodating cavity, the mounting frame is provided with an opening connected to the accommodating cavity, the driving member is partially inserted into the opening, the damper is located in the accommodating cavity, and an inclined matching portion is provided at the contact between the driving member inserted into the opening and the damper, the bracket rotates and contacts the driving member, the driving member moves along the opening and drives the damper to move in the accommodating cavity through the inclined matching portion.

[0006] The inclined matching portion includes a first inclined surface arranged on the bottom of the driving member, and a second inclined surface arranged on the top of the damper, and the first inclined surface and the second inclined surface are in contact during the movement of the damper.

[0007] In the movement direction of the damper along the accommodating chamber, a first guide portion is provided between the damper and the accommodating chamber.

[0008] The first guide portion includes a guide groove arranged on the inner wall of the accommodating cavity and a guide convex strip arranged on the outer side of the damper, and the guide convex strip is limited on the guide groove.

[0009] The first guide portion further includes a positioning protrusion arranged on the inner wall of the accommodating cavity and a positioning groove arranged on the outer side of the damper, and the positioning protrusion is limited on the positioning groove.

[0010] In the movement direction of the driving member along the opening, a second guide portion is provided between the driving member and the opening.

[0011] The second guide portion includes a slide groove on the inner wall of the opening and a guide slider arranged on the outer side of the driving member, and the guide slider is limited on the slide groove.

[0012] The positioning assembly includes a first concave position arranged on the rotating shaft, and a rolling member elastically abutting against the first concave position through an elastic member during rotation, an intermediate member is arranged between the rolling member and the elastic member, and the intermediate member is provided with a second concave position corresponding to the rolling member. The rolling member rolls in contact with the rotating shaft under the elastic action of the elastic member by rotating on the bracket.

[0013] The hinge with buffered positioning closure also includes a connector connected to the shell, the shell is provided with a connecting block, the connector is provided with an adjustment block, the adjustment block is connected to the connecting block, the connecting block is provided with an up and down position adjustment member and a front and back position adjustment member for adjusting the hinge installation position, and the adjustment block is provided with a left and right position adjustment member for adjusting the hinge installation position.

[0014] The beneficial effects of the present invention are as follows:

[0015] a. The housing is provided with a driving member that triggers the movement of the damper. The bracket contacts the driving member by rotating, and then the driving member drives the damper to move. When closing, it plays a buffering role to prevent the bracket from colliding when rotating to close.

[0016] b. In the direction of rotation of the bracket toward the driving member, a positioning component is provided between the elastic member and the rotating shaft, so that the bracket can be positioned and rotated through the positioning component, and the bracket can be automatically closed when closed.

[0017] c. In the direction of movement of the damper along the accommodating cavity, a first guide portion is provided between the damper and the accommodating cavity, so that the damper moves along a set trajectory, thereby improving the stability of the hinge.

[0018] d. In the direction in which the driving member moves along the opening, a second guide portion is provided between the driving member and the opening, so that the driving member moves along a set trajectory, thereby improving the stability of the hinge.

[0019] e. The rotating shaft and the rolling element are roller-driven, which can minimize the friction and maximize the strength of the spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 The figure is a schematic structural diagram of the connection between the hinge and the bracket according to an embodiment of the present invention.

[0021] Figure 2 The figure is a schematic cross-sectional structure diagram of the connection between the hinge and the bracket according to an embodiment of the present invention.

[0022] Figure 3 It is a schematic diagram of the cross-sectional structure of the hinge hidden part according to an embodiment of the present invention.

[0023] Figure 4 for Figure 3 A partial enlarged view.

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of a hinge according to an embodiment of the present invention.

[0025] Figure 6 It is a schematic diagram of the exploded structure of the hinge assembly according to one embodiment of the present invention.

[0026] Figure 7 Schematic diagram of the cross-sectional structure of a hinge according to an embodiment of the present invention.

[0027] Figure 8 It is a schematic cross-sectional structure diagram of a mounting frame, a damper, and a driving member according to an embodiment of the present invention.

[0028] Fig. 9 It is a schematic diagram of the three-dimensional structure of the mounting frame, damper and driving member assembled in one embodiment of the present invention.

[0029] Fig.10 It is a schematic diagram of the three-dimensional structure of a mounting frame according to an embodiment of the present invention.

[0030] Fig.11 It is a schematic diagram of the three-dimensional structure of the mounting frame in another orientation according to an embodiment of the present invention.

[0031] Fig.12 The figure is a schematic diagram of the structure of a damper according to an embodiment of the present invention.

[0032] Fig.13 It is a schematic diagram of the three-dimensional structure of the elastic member, the rolling member and the intermediate member according to an embodiment of the present invention.

[0033] Fig.14It is a schematic diagram of the three-dimensional structure of a rotating shaft according to an embodiment of the present invention.

[0034] In the figure, 1 is a rotating shaft, 1.1 is a first recess, 2 is a bracket, 3 is a housing, 3.1 is a mounting groove, 3.2 is a mounting cavity, 4 is a damper, 4.1 is a second inclined surface, 4.2 is a guide convex strip, 4.3 is a positioning groove, 5 is a driving member, 5.1 is a first inclined surface, 5.2 is a guide slider, 6 is an elastic member, 7 is a mounting frame, 7.1 is an accommodating cavity, 7.2 is an opening, 7.3 is a guide groove, 7.4 is a positioning protrusion, 7.5 is a slide groove, 8 is a rolling member, 9 is an intermediate member, 9.1 is a second recess, 10 is a connector, 11 is a connecting block, 11.1 is an up and down position adjusting member, 11.2 is a front and rear position adjusting member, 12 is an adjusting block, 12.1 is a left and right position adjusting member, and 13 is a locking screw. DETAILED DESCRIPTION

[0035] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0036] See also Figure 1-Figure 3 A hinge with buffered positioning and closing includes a shell 3 rotatably connected to a bracket 2 through a rotating shaft 1, and the shell 3 is provided with an elastic member 6 corresponding to the rotating shaft 1; a damper 4 is provided inside the shell 3, and the shell 3 is also provided with a driving member 5 for triggering the movement of the damper 4, and the bracket 2 contacts the driving member 5 by rotating so that the driving member 5 drives the damper 4 to move; in the rotation direction of the bracket 2 toward the driving member 5, a positioning component is provided between the elastic member 6 and the rotating shaft 1, so that the bracket 2 can be positioned and rotated through the positioning component.

[0037] The housing 3 is provided with a mounting frame 7 for mounting the damper 4 and the driving member 5. The mounting frame 7 is provided with a accommodating cavity 7.1. The mounting frame 7 is provided with an opening 7.2 connected to the accommodating cavity 7.1. The driving member 5 is partially inserted into the opening 7.2. The damper 4 is located in the accommodating cavity 7.1. An inclined fitting portion is provided at the contact point between the driving member 5 inserted into the opening 7.2 and the damper 4. The bracket 2 rotates and contacts the driving member 5. The driving member 5 moves along the opening 7.2 and drives the damper 4 to move in the accommodating cavity 7.1 through the inclined fitting portion.

[0038] See also Figure 8 The inclined matching portion includes a first inclined surface 5.1 arranged on the bottom of the driving member 5 and a second inclined surface 4.1 arranged on the top of the damper 4. The first inclined surface 5.1 and the second inclined surface 4.1 are in contact with each other during the movement of the damper 4.

[0039] See also Figure 9-12 In the movement direction of the damper 4 along the accommodating chamber 7.1, a first guide portion is provided between the damper 4 and the accommodating chamber 7.1.

[0040] The first guide portion comprises a guide groove 7.3 arranged on the inner wall of the accommodating cavity 7.1, and a guide ridge 4.2 arranged on the outer side of the damper 4, and the guide ridge 4.2 is limited on the guide groove 7.3.

[0041] The first guide portion further comprises a positioning protrusion 7.4 arranged on the inner wall of the accommodating cavity 7.1, and a positioning groove 4.3 arranged on the outer side of the damper 4, and the positioning protrusion 7.4 is limited on the positioning groove 4.3.

[0042] In the movement direction of the driving member 5 along the opening 7.2, a second guide portion is provided between the driving member 5 and the opening 7.2.

[0043] The second guide portion comprises a slide groove 7.5 on the inner wall of the opening 7.2 and a guide slider 5.2 arranged on the outer side of the driving member 5, and the guide slider 5.2 is limited on the slide groove 7.5.

[0044] See also Fig.13 , Fig.14 The positioning assembly includes a first recess 1.1 arranged on the rotating shaft 1, and a rolling member 8 elastically resting against the first recess 1.1 through an elastic member 6 during rotation, an intermediate member 9 is arranged between the rolling member 8 and the elastic member 6, and the intermediate member 9 is provided with a second recess 9.1 corresponding to the rolling member 8.

[0045] When the bracket 2 is rotated outward to open, the first recess 1.1 of the rotating shaft 1 is disengaged from the rolling element 8, and the outer cylindrical surface of the rotating shaft 1 and the rolling element 8 are in rolling contact, which reduces wear and has less friction and no noise. Since the rotating shaft 1 and the rolling element 8 are roller-driven, the friction can be minimized and the strength of the spring can be maximized.

[0046] See also Figure 6 , Figure 7 In this embodiment, the rolling element 8 is a rolling pin, the first concave position 1.1 and the second concave position 9.1 are arc-shaped, and the elastic element 6 is a compression spring. The housing 3 is provided with two upper and lower installation grooves 3.1 arranged at intervals, and the rolling element 8, the middle element 9, and the elastic element 6 are sequentially installed in the installation grooves 3.1. The locking screw 13 is inserted into the installation groove 3.1. The locking screw 13 fixes the rolling element 8, the middle element 9, and the elastic element 6 on the installation groove 3.1. By adjusting the length of the locking screw 13 inserted into the installation groove 3.1, the elastic force of the elastic element 6 is adjusted. One end of the elastic element 6 abuts on the locking screw 13, and the other end of the elastic element 6 abuts on the middle element 9. The middle element 9 is provided with a column into which the elastic element 6 is inserted. The housing 3 is provided with a plug-in cavity into which the rotating shaft 1 is inserted, and the plug-in cavity is connected to the installation groove 3.1.

[0047] In this embodiment, the housing 3 is provided with a mounting cavity 3 . 2 for assembling the mounting frame 7 .

[0048] See also Figure 5 , Figure 6 , a hinge with buffered positioning and closing, also includes a connector 10 connected to the shell 3, the shell 3 is provided with a connecting block 11, the connector 10 is provided with an adjusting block 12, the adjusting block 12 is connected to the connecting block 11, the connecting block 11 is provided with an up and down position adjusting member 11.1 and a front and back position adjusting member 11.2 for adjusting the hinge installation position, and the adjusting block 12 is provided with a left and right position adjusting member 12.1 for adjusting the hinge installation position.

[0049] The above is a preferred embodiment of the present invention, which shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only for illustrating the principles of the present invention. The present invention may be subject to various changes and improvements without departing from the spirit and scope of the present invention, and these changes and improvements fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A hinge with a buffered positioning closure, comprising a housing (3) rotatably connected to a support (2) via a rotating shaft (1), characterized in that: The housing (3) is provided with an elastic member (6) corresponding to the rotating shaft (1); a damper (4) is provided inside the housing (3); the housing (3) is also provided with a driving member (5) for triggering the movement of the damper (4); the bracket (2) contacts the driving member (5) by rotating, so that the driving member (5) drives the damper (4) to move; in the direction of rotation of the bracket (2) toward the driving member (5), a positioning component is provided between the elastic member (6) and the rotating shaft (1), so that the bracket (2) is positioned and rotated by the positioning component; The housing (3) is provided with a mounting frame (7) for mounting the damper (4) and the driving member (5); the mounting frame (7) is provided with a receiving cavity (7.1); and the mounting frame (7) is provided with an opening (7.2) communicating with the receiving cavity (7.1); In the direction of movement of the damper (4) along the accommodating chamber (7.1), a first guide portion is provided between the damper (4) and the accommodating chamber (7.1); The first guide portion comprises a guide groove (7.3) provided on the inner wall of the accommodating cavity (7.1), and a guide convex strip (4.2) provided on the outer side of the damper (4), the guide convex strip (4.2) being limited on the guide groove (7.3); The positioning assembly comprises a first recess (1.1) arranged on a rotating shaft (1), and a rolling member (8) elastically abutting against the first recess (1.1) via an elastic member (6) during rotation, an intermediate member (9) being arranged between the rolling member (8) and the elastic member (6), and a second recess (9.1) being arranged on the intermediate member (9) corresponding to the rolling member (8); the rolling member (8) rollingly contacts the rotating shaft (1) under the elastic action of the elastic member (6) by rotating on the bracket (2).

2. The hinge with buffered positioning closure according to claim 1, characterized in that: The driving member (5) is partially inserted into the opening (7.2), the damper (4) is located in the accommodating chamber (7.1), an inclined fitting portion is provided at the contact point between the driving member (5) inserted into the opening (7.2) and the damper (4), the bracket (2) rotates and contacts the driving member (5), the driving member (5) moves along the opening (7.2) and drives the damper (4) to move in the accommodating chamber (7.1) through the inclined fitting portion.

3. The hinge with buffered positioning closure according to claim 2, characterized in that: The inclined matching portion comprises a first inclined surface (5.1) arranged on the bottom of the driving member (5), and a second inclined surface (4.1) arranged on the top of the damper (4); the first inclined surface (5.1) and the second inclined surface (4.1) are in contact with each other during the movement of the damper (4).

4. The hinge with buffered positioning closure according to claim 1, characterized in that: The first guide portion further comprises a positioning protrusion (7.4) arranged on the inner wall of the accommodating cavity (7.1), and a positioning groove (4.3) arranged on the outer side of the damper (4), and the positioning protrusion (7.4) is limited on the positioning groove (4.3).

5. The hinge with buffered positioning closure according to claim 1, characterized in that: In the direction of movement of the driving member (5) along the opening (7.2), a second guide portion is provided between the driving member (5) and the opening (7.2).

6. The hinge with buffered positioning closure according to claim 5, characterized in that: The second guide portion comprises a slide groove (7.5) on the inner wall of the opening (7.2), and a guide slider (5.2) arranged on the outer side of the driving member (5), the guide slider (5.2) being limited on the slide groove (7.5).

7. The hinge with buffered positioning closure according to any one of claims 1 to 6, characterized in that: The invention also comprises a connecting body (10) connected to the outer shell (3), the outer shell (3) being provided with a connecting block (11), the connecting body (10) being provided with an adjusting block (12), the adjusting block (12) being connected to the connecting block (11), the connecting block (11) being provided with an up-and-down position adjusting member (11.1) and a front-and-rear position adjusting member (11.2) for adjusting the hinge installation position, and the adjusting block (12) being provided with a left-and-right position adjusting member (12.1) for adjusting the hinge installation position.

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