Hinge for heaven and earth

Abstract

The utility model relates to a heaven and earth hinge which comprises a hinge cup, a first crank, a second crank, a buffer roller assembly, a first buffer, an elastic structure, a rolling shaft, two half shells, two half crank fixing plates and a fixing plate. The two half shells form a shell, and the two half crank fixing plates form a mounting piece; the buffer roller assembly, the first buffer, the elastic structure and the rolling shaft are arranged between the two half crank fixing plates, the buffer roller assembly is pushed by the first buffer, and the rolling shaft is pushed by the elastic structure; the crank mechanism is characterized in that a convex curved surface is arranged at the left end of the second crank, a concave curved surface is arranged on the left portion of the second crank, the rolling shaft can be matched with the convex curved surface, and the buffer roller assembly can be matched with the concave curved surface. In the whole door opening and closing process, the second crank is in an unstressed state, so that the door can be in a free state, namely the door opening and closing force does not exist, and the product is more convenient and stable to use.

Description

Technical Field

[0001] The utility model relates to a ceiling hinge. Background Art

[0002] The existing top and bottom hinge includes a hinge cup, a first crank, a second crank, a buffer assembly, a first buffer, an elastic structure, two half shells, two half crank fixing plates and a fixing plate; the two half shells form a shell, the fixing plate is installed between the two half crank fixing plates to form a mounting member, and the mounting member is installed in the shell; the right end of the first crank is rotatably connected to the hinge cup through a second pin, the left end of the first crank is rotatably connected to the mounting member through a first flat head rivet, the right end of the second crank is rotatably connected to the hinge cup through a third pin, and the left end of the second crank is rotatably connected to the mounting member through a second flat head rivet; the first buffer and the elastic structure are arranged on the two half crank fixing plates, and when the door is opened or closed, the second crank is subjected to force under the action of the buffer and the elastic structure, so there is buffering force during the entire door opening and closing process, and installation and adjustment are inconvenient. Summary of the invention

[0003] The purpose of the utility model is to overcome the deficiencies of the prior art and provide a top and bottom hinge. During the entire process of opening and closing the door, the second crank is in a state of being free of force, so that the door can be in a free state, i.e., there is no closing and opening force, making the product more convenient and stable to use.

[0004] In order to achieve the above-mentioned purpose, the utility model is implemented as follows: it is a heaven and earth hinge, including a hinge cup, a first crank, a second crank, a buffer roller assembly, a first buffer, an elastic structure, a roller, two half shells, two half crank fixing plates and a fixing plate; the two half shells constitute a shell, the two half crank fixing plates constitute a mounting piece, the two half crank fixing plates and the fixing plate are both installed in the shell, and the fixing plate is installed between the two half crank fixing plates; the right end of the first crank is rotatably connected to the hinge cup by a second pin, the left end of the first crank is rotatably connected to the crank fixing plate by a first flat head rivet, and the left part of the first crank is provided with a concave recessed position; the right end of the second crank is rotatably connected to the hinge cup by a third pin, the left part of the second crank is rotatably connected to the two half crank fixing plates by a second flat head rivet, and the left part of the second crank is provided with a convex The raised position of the door is raised; the right end of the second crank is rotatably connected to the hinge cup by a third pin, and the left part of the second crank is rotatably connected to the crank fixing plate by a second flat head rivet; the buffer roller assembly, the first buffer, the elastic structure and the roller are arranged on the crank fixing plate, the buffer roller assembly is pushed by the first buffer, and the roller is pushed by the elastic structure; it is characterized in that a convex curved surface is provided at the left end part of the second crank, and a concave curved surface is provided at the left part of the second crank, the roller and the convex curved surface can cooperate, and the buffer roller assembly and the concave curved surface can cooperate to play a buffering role in opening or closing the door; when opening or closing the door, when the convex curved surface at the left end part of the second crank is tangent to the roller and the buffer roller assembly is tangent to or detached from the concave curved surface, the door is in a free state, and when the concave position of the first crank contacts the convex position of the second crank, the door is fully open and positioned.

[0005] In the technical solution, the two half shells include a first half shell and a second half shell; the first half shell and the second half shell are fixed by rivets of the second half shell.

[0006] In the technical solution, the two half crank fixing plates include a first half crank fixing plate and a second half crank fixing plate, the first half crank fixing plate is provided with a first mounting hole and a second mounting hole respectively, the second half crank fixing plate is provided with a third mounting hole and a fourth mounting hole respectively, the first mounting hole and the third mounting hole are of the same shape and size, and the second mounting hole and the fourth mounting hole are of the same shape and size; the buffer roller assembly includes a guide block and a roller mounted on the guide block, the guide block, the roller and the first buffer are located in the first mounting hole and the third mounting hole, and the guide block and the roller can move axially in the first mounting hole and the third mounting hole; the elastic structure includes a spring guide sleeve and a spring, the spring guide sleeve is sleeved on the spring, the spring guide sleeve, the spring and the roller are located in the second mounting hole and the fourth mounting hole, and the spring guide sleeve and the roller can move axially in the second mounting hole and the fourth mounting hole. .

[0007] In the technical scheme, it also includes an adjusting piece, an adjusting piece push block, an outer fixing block upper cover and an adjusting screw, the adjusting piece push block is arranged on the adjusting screw and threadedly matched; an adjusting hole and a connecting slot are provided on the adjusting piece, the adjusting piece is installed in the hinge cup, the adjusting piece push block is arranged in the adjusting hole and is movable, the outer fixing block upper cover is arranged on the hinge cup and covers the adjusting hole, an adjusting inner bevel is provided on the inner wall of the adjusting hole, an adjusting outer bevel is provided on the surface of the adjusting piece push block, the adjusting screw and the hinge cup are riveted axially for positioning, the adjusting end of the adjusting screw is located on the outer fixing block upper cover, the right end of the first crank and the right end of the second crank are both located in the connecting slot, the first pin passes through the hinge cup, the connecting slot and the right end of the first crank in sequence, and the right end of the first crank is rotatably connected to the adjusting piece, the third pin passes through the hinge cup, the connecting slot and the right end of the second crank in sequence, and the right end of the second crank is rotatably connected to the adjusting piece, and the second pin connects the hinge cup to the adjusting piece.

[0008] The advantages of the utility model compared with the prior art are:

[0009] The buffer assembly and elastic structure adopt a roller structure, which makes the product smoother in use, with less friction and longer service life.

[0010] The adjustment adopts the adjusting screw and the inclined adjustment piece push block structure, making the product adjustment more convenient and stable.

[0011] During the entire process of opening and closing the door, the second crank is in a state of being free of stress, so that the door can be in a free state, that is, without elastic force, and is more convenient to adjust and use. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is an exploded view of the utility model;

[0013] Figure 2 It is a three-dimensional diagram of the utility model;

[0014] Figure 3 It is a top view of the utility model;

[0015] Figure 4 yes Figure 3 AA section view;

[0016] Figure 5 yes Figure 3 BB cross-section enlarged view;

[0017] Figure 6 It is a schematic diagram of the structure of the push block of the adjusting member in another orientation;

[0018] Figure 7 This is the assembly diagram of the adjusting screw and the adjusting piece push block;

[0019] Figure 8It is a structural schematic diagram of the utility model in a closed state;

[0020] Fig. 9 This is a schematic diagram of the structure of the utility model in a 25° open state;

[0021] Fig.10 This is a schematic diagram of the structure of the utility model in a 35° open state;

[0022] Fig.11 This is a schematic diagram of the structure of the utility model in a state of opening 68.47°;

[0023] Fig.12 This is a schematic diagram of the structure of the utility model in a fully opened state;

[0024] Fig.13 yes Fig.12 The schematic diagram of the structure of the hinge cup, the first crank, the second crank, the buffer roller assembly, the first buffer, the elastic structure and the roller coordination is retained. DETAILED DESCRIPTION

[0025] The specific implementation methods of the present invention are further described below in conjunction with the accompanying drawings. It should be noted that the description of these implementation methods is used to help understand the present invention, but does not constitute a limitation of the present invention. In addition, the technical features involved in the various implementation methods of the present invention described below can be combined with each other as long as they do not conflict with each other.

[0026] In the description of the present invention, the terms "left", "right", etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and do not require that the present invention must be constructed and operated in a specific direction. Therefore, they should not be understood as limitations on the present invention.

[0027] In the description of the present invention, the terms “first” and “second” are used for descriptive purposes only and should not be understood as indicating or implying relative importance.

[0028] like Figures 1 to 6As shown, it is a heaven and earth hinge, including a hinge cup 9, a first crank 10, a second crank 11, a buffer roller assembly, a first buffer 14, an elastic structure, a roller 25, two half shells, two half crank fixing plates and a fixing plate 22, and the two half crank fixing plates constitute a mounting member; the two half crank fixing plates and the fixing plate 22 are both installed in the shell, and the fixing plate 22 is installed between the two half crank fixing plates, the buffer roller assembly includes a roller 12 and a guide block 13, and the end of the first buffer 14 is installed on the two half cranks through a rivet 16 The guide block 13 is mounted on the fixed plate at the end of the piston rod of the first buffer 14, and the roller 12 is mounted on the guide block 13, and the guide block 13 abuts against the left part of the second crank 11; the elastic structure includes a spring guide sleeve 15 and a spring 17, and the spring guide sleeve 15 is sleeved on the spring 17, and the spring guide sleeve 15 is mounted on the two-half crank fixed plate, and the left end of the spring 17 abuts against the two-half crank fixed plate, and the right end of the spring abuts against the spring guide sleeve 15, and the roller 25 is mounted on the spring guide sleeve 15, and the roller 25 abuts against the second crank The left end of the handle 11; the right end of the first crank 10 is rotatably connected to the hinge cup 9 through the second pin 2, the left end of the first crank 10 is rotatably connected to the two half crank fixing plates through the first flat head rivet 28, and the left part of the first crank 10 is provided with a concave concave position 101; the right end of the second crank 11 is rotatably connected to the hinge cup 9 through the third pin 3, the left part of the second crank 11 is rotatably connected to the two half crank fixing plates through the second flat head rivet 26, and the left part of the second crank 11 is provided with a convex convex position 113; the right end of the second crank 11 The second crank 11 is rotatably connected to the hinge cup 9 through the third pin 3; the buffer roller assembly, the first buffer 14, the elastic structure and the roller 25 are all arranged on the two half crank fixing plates, the roller 12 is pushed by the first buffer 14, and the roller 25 is pushed by the elastic structure; the left end of the second crank 11 is provided with a convex curved surface 111, and the left part of the second crank 11 is provided with a concave concave curved surface 112, the roller 25 can cooperate with the convex curved surface 111 and the roller 12 can cooperate with the concave concave curved surface 112 to play a buffering role in opening or closing the door;

[0029] like Figure 6 As shown, when the door is opened or closed, when the convex curved surface 111 of the left end of the second crank 11 hits the roller 25 and the roller 12 hits the concave curved surface 112, the door is in a buffering state, and the door has a buffering force.

[0030] like Figure 7 , Figure 8 and Fig. 9 As shown, when the door is opened or closed, when the convex curved surface 111 at the left end of the second crank 11 is tangent to the roller 25 and the roller 12 is tangent to or disengaged from the concave curved surface 112, the roller 12 and the roller 25 have no effect on the second crank 11, the door is in a free state, and the door has no power and buffering force.

[0031] like Fig.10 and Fig.11 As shown, when the recessed position 101 of the first crank 10 contacts the raised position 113 of the right portion of the second crank 11, the door is in a fully open state and positioned.

[0032] In this embodiment, the two half shells include a first half shell 21 and a second half shell 29 ; the first half shell 21 and the second half shell 29 are fixed by a pin on the second half shell 29 .

[0033] like Figure 1 , Figure 4 , Figures 8 to 10 As shown, in this embodiment, the two half crank fixing plates include a first half crank fixing plate 20 and a second half crank fixing plate 27. The first half crank fixing plate 20 is provided with a first mounting hole 201 for mounting the first buffer 14 and a second mounting hole 202 for mounting the elastic structure. The second half crank fixing plate 27 is provided with a third mounting hole 271 for mounting the first buffer 14 and a fourth mounting hole 272 for mounting the elastic structure. The first mounting hole 201 and the third mounting hole 271 have the same shape and size, and the second mounting hole 202 and the fourth mounting hole 272 have the same shape and size. The guide block 13, the roller 12 and the first buffer 14 are located in the first mounting hole 201 and the third mounting hole 271, and the guide block 13 and the roller 12 can move axially in the first mounting hole 201 and the third mounting hole 271. The elastic structure and the roller 25 are located in the second mounting hole 202 and the fourth mounting hole 272, and the roller 25 can move axially in the second mounting hole 202 and the fourth mounting hole 272. Figures 8 to 10 As shown, when the door is opened or closed, when the convex curved surface 111 at the left end of the second crank 11 touches the roller 25 and the roller 12 touches the concave curved surface, the door is in a buffering state, and the door has a buffering force.

[0034] like Fig.11 As shown, when the door is opened or closed, when the convex curved surface 111 at the left end of the second crank 11 is tangent to the roller 25 and the roller 12 is tangent to or separated from the concave curved surface 112, the roller 12 and the roller 25 do not act on the second crank 11, the door is in a free state, and the door has no buffering force;

[0035] like Fig.12 As shown, when the recessed portion 101 of the first crank 10 contacts the raised portion 113 of the second crank 11, the door is in a fully open state and positioned.

[0036] In this embodiment, the adjusting member 4, the adjusting member push block 5, the outer fixing block upper cover 6 and the adjusting screw 7 are also included. The adjusting member push block 5 is arranged on the adjusting screw 7 and threadedly matched as shown in FIG. Fig.13As shown; the adjusting member 4 is provided with an adjusting hole 41 and a connecting slot 42, the adjusting member push block 5 is arranged in the adjusting hole 41 and is movable, the outer fixing block upper cover 6 is arranged on the hinge cup 9 and covers the adjusting hole 41, an adjusting inner bevel 411 is provided on the inner wall of the adjusting hole 41, an adjusting outer bevel 51 is provided on the surface of the adjusting member push block 5, the adjusting screw 7 is riveted with the hinge cup 9 for axial positioning, the adjusting end of the adjusting screw 7 is located on the outer fixing block upper cover 6, the adjusting member 4 is arranged Installed in the hinge cup 9, the right end of the first crank 10 and the right end of the second crank 11 are both located in the connecting slot 42, the first pin 1 passes through the hinge cup 9, the connecting slot 42 and the right end of the first crank 10 in sequence, and the right end of the first crank 10 is rotatably connected to the adjusting member 4, the third pin 3 passes through the hinge cup 9, the connecting slot 42 and the right end of the second crank 11 in sequence, and the right end of the second crank 11 is rotatably connected to the adjusting member 4, and the second pin 2 connects the hinge cup 9 with the adjusting member 4.

[0037] like Figure 1 and Figure 2 As shown, during installation, the adjusting screw 7 is rotated, and the adjusting member push block 5 moves up and down in the adjusting hole 41, so that the left and right position of the hinge cup 9 can be adjusted, making the product adjustment more convenient and stable.

[0038] The above is a detailed description of the embodiments of the present invention in conjunction with the accompanying drawings, but the present invention is not limited to the described embodiments. For ordinary technicians in this field, various changes, modifications, substitutions and deformations of these embodiments without departing from the principle and purpose of the present invention still fall within the scope of protection of the present invention.

Claims

1. A top and bottom hinge, comprising a hinge cup (9), a first crank (10), a second crank (11), a buffer roller assembly, a first buffer (14), an elastic structure, a roller (25), two half shells, two half crank fixing plates and a fixing plate (22); the two half shells constitute a shell, the two half crank fixing plates constitute a mounting member, the two half crank fixing plates and the fixing plate (22) are both mounted in the shell, and the fixing plate (22) is mounted between the two half crank fixing plates; the right end of the first crank (10) is rotatably connected to the hinge cup (9) via a second pin (2), and the left end of the first crank (10) is connected to the mounting member via a first flat head rivet The first crank (10) is rotatably connected to the hinge cup (9) by a third pin (3), and the left part of the second crank (11) is rotatably connected to the two half crank fixing plates by a second flat head rivet (26). The left part of the second crank (11) is provided with a convex convex position (113); the buffer roller assembly, the first buffer (14), the elastic structure and the roller (25) are arranged between the two half crank fixing plates, the buffer roller assembly is pushed by the first buffer (14), and the roller (25) is pushed by the elastic structure; it is characterized in that A convex curved surface (111) is provided at the left end of the second crank (11), and a concave curved surface (112) is provided at the left part of the second crank (11); the roller (25) can cooperate with the convex curved surface (111) and the buffer roller assembly can cooperate with the concave curved surface (112) to play a buffering role in opening or closing the door; when opening or closing the door, when the convex curved surface (111) at the left end of the second crank (11) is tangent to the roller (25) and the buffer roller assembly is tangent to or separated from the concave curved surface (112), the door is in a free state, and when the concave position (101) of the first crank (10) contacts the convex position (113) of the second crank (11), the door is in a fully open state and positioned.

2. The hinge according to claim 1, characterized in that The two half shells comprise a first half shell (21) and a second half shell (29); the first half shell (21) and the second half shell (29) are fixed via rivets on the second half shell (29).

3. The hinge according to claim 1, characterized in that The two half crank fixing plates comprise a first half crank fixing plate (20) and a second half crank fixing plate (27); a first mounting hole (201) and a second mounting hole (202) are respectively provided on the first half crank fixing plate (20); a third mounting hole (271) and a fourth mounting hole (272) are respectively provided on the second half crank fixing plate (27); the first mounting hole (201) and the third mounting hole (271) have the same shape and size; the second mounting hole (202) and the fourth mounting hole (272) have the same shape and size; the buffer roller assembly comprises a guide block (13) and a roller (12) mounted on the guide block (13); the guide block ( The guide block (13), the roller (12) and the first buffer (14) are located in the first mounting hole (201) and the third mounting hole (271), and the guide block (13) and the roller (12) can move axially in the first mounting hole (201) and the third mounting hole (271); the elastic structure comprises a spring guide sleeve (15) and a spring (17), the spring guide sleeve (15) is sleeved on the spring (17), the spring guide sleeve (15), the spring (17) and the roller (25) are located in the second mounting hole (202) and the fourth mounting hole (272), and the spring guide sleeve (15) and the roller (25) can move axially in the second mounting hole (202) and the fourth mounting hole (272).

4. The hinge according to claim 1, characterized in that The invention also comprises an adjusting member (4), an adjusting member push block (5), an outer fixing block upper cover (6) and an adjusting screw (7), wherein the adjusting member push block (5) is arranged on the adjusting screw (7) and threadedly engaged with the adjusting screw (7); an adjusting hole (41) and a connecting slot (42) are arranged on the adjusting member (4); the adjusting member (4) is mounted in the hinge cup (9); the adjusting member push block (5) is arranged in the adjusting hole (41) and is movable; the outer fixing block upper cover (6) is arranged on the hinge cup (9) and covers the adjusting hole (41); an adjusting inner inclined surface is arranged on the inner wall of the adjusting hole (41); an adjusting outer inclined surface is arranged on the surface of the adjusting member push block (5); the adjusting screw (7) is connected to the hinge cup (9) and the adjusting member push block (5) is connected to the adjusting screw (7); 9) riveted for axial positioning, the adjusting end of the adjusting screw (7) is located on the upper cover (6) of the outer fixing block, the right end of the first crank (10) and the right end of the second crank (11) are both located in the connecting slot (42), the first pin (1) passes through the hinge cup (9), the connecting slot (42) and the right end of the first crank (10) in sequence, and the right end of the first crank (10) is rotatably connected to the adjusting member (4), the third pin (3) passes through the hinge cup (9), the connecting slot (42) and the right end of the second crank (11) in sequence, and the right end of the second crank (11) is rotatably connected to the adjusting member (4), and the second pin (2) connects the hinge cup (9) to the adjusting member (4).

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