WO2020237754A1

WO2020237754A1 - Hinge and hinge arm

Info

Publication number: WO2020237754A1
Application number: PCT/CN2019/092015
Authority: WO
Inventors: 吴腾庆; 吴积庆
Original assignee: 吴腾庆
Priority date: 2019-05-27
Filing date: 2019-06-20
Publication date: 2020-12-03

Abstract

A hinge and a hinge arm (100), wherein the hinge comprises the hinge arm (100). The hinge arm (100) comprises: a base plate (110) to be fixed on a wall for installation; a base (120) located on the base plate (110), wherein a first adjustment member (130) is used to adjust the relative position between the base (120) and the base plate (110) in a first direction; and a housing (140) located on the base (120), wherein a second adjustment member (150) is used to adjust the relative position between the housing (140) and the base (120) in a second direction, and a third adjustment member (160) is used to adjust the relative position between the housing (140) and the base (120) in a third direction. Relative positions between various components on the hinge arm (100) can be adjusted so as to reduce installation requirements of the hinge, and to reduce inconveniences during the installation process.

Description

Hinge and hinge arm

This application requires that it be submitted to the Chinese Patent Office on May 27, 2019. The Chinese patent application for the invention patent with the patent name "Hinge" and the application number 201910448369.1 and the utility model patent with the patent name "Hinge" and the application number 201920777024.6 The priority of, the entire content of which is incorporated in this application by reference.

Technical field

The embodiment of the application relates to a hinge.

Background technique

Hinge, also known as hinge, is a mechanical device used to connect two solid bodies and allow relative rotation between them. The hinge can be made of movable components or of foldable material. Hinges are mainly installed on doors and windows, while hinges are more installed on cabinets. According to the material classification, they are mainly divided into stainless steel hinges and iron hinges.

Now the positional relationship of the various parts of the hinge is fixed, which leads to high installation requirements. For example, the hinge cup and the hinge arm of the hinge need to be accurately installed to the specified position on the wall, the installation process is very troublesome.

Summary of the invention

The embodiments of the present application provide a hinge and a hinge arm to solve the problem of troublesome hinge installation.

In order to solve the above technical problems, the embodiments of the present application provide the following technical solutions:

A hinge, the hinge includes a hinge arm, and the hinge arm includes:

Base piece, used to fix on the wall to be installed;

The base is located on the base sheet, and the base adjusts the relative position between the base and the base sheet in the first direction through the first adjusting member;

The housing is located on the base. The housing adjusts the relative position between the housing and the base in the second direction through a second adjusting member, and adjusts the relationship between the housing and the base through a third adjusting member. The relative position of time in the third direction.

As a preferred technical solution of the embodiment of the present application, the first adjusting member includes an eccentric nail;

The eccentric nail is used to pass through the first through hole of the plurality of through holes on the base, and snap into the base piece, and rotate under the action of external force to adjust the base and the base piece The relative position between in the first direction.

As a preferred technical solution of the embodiment of the present application, the hinge arm further includes a plurality of mounting screws;

Each mounting screw is used to pass through the second through hole in the plurality of through holes and the mounting hole in the base plate, and snap into the wall surface to be installed, wherein the plurality of through holes are distributed On the side wings of the base.

As a preferred technical solution of the embodiment of the present application, the hinge arm further includes a fixing screw;

The fixing screw is used to pass through the third through hole of the plurality of through holes, and is clamped into the base sheet.

As a preferred technical solution of the embodiment of the present application, the second adjusting member includes an eccentric wheel;

The top end of the base is provided with an eccentric wheel hole matching the eccentric wheel, the top end of the housing is provided with an eccentric wheel cap groove, the eccentric wheel cap groove is provided with a groove bottom through hole, and the top end of the eccentric wheel is provided Eccentric cap

The eccentric wheel is used to pass through the groove bottom through hole and the eccentric wheel hole, and the eccentric wheel cap is clamped into the eccentric wheel cap groove, and the eccentric wheel rotates under the action of external force to adjust The relative position between the housing and the base in the second direction.

As a preferred technical solution of the embodiment of the present application, at least two points on the edge of the eccentric cap abut the inner side of the groove of the eccentric cap.

As a preferred technical solution of the embodiment of the present application, the eccentric wheel cap groove includes at least two straight edges, and the edge of the eccentric wheel cap is abutted between the two straight edges.

As a preferred technical solution of the embodiment of the present application, the third adjusting member includes an adjusting screw;

The top end of the housing is also provided with an adjusting screw hole; the top end of the base is also provided with a slide rail matching the adjusting screw, and the bottom end of the adjusting screw is provided with a disc;

The adjusting screw cooperates with the disc to be clamped into the sliding rail and passes through the adjusting screw hole. The adjusting screw rotates under the action of external force to adjust the gap between the housing and the base. Relative position upward.

As a preferred technical solution of the embodiment of the present application, the hinge further includes a first rotating part, a second rotating part and a hinge cup;

The first end of the first rotating member is rotatably connected with the hinge arm through a first pin, and the first end of the second rotating member is rotatably connected with the hinge arm through a second pin, wherein the second The first end of the rotating member is also rotatably connected with the first end of the buffer through a third pin;

The second end of the first rotating member and the second end of the second rotating member are respectively rotatably connected to the hinge cup.

As a preferred technical solution of the embodiment of the present application, the inside of the base is hollow, and the inside of the base is provided with a buffer;

The side wall of the base is symmetrically provided with elongated holes, and the second end of the buffer is provided with a connecting hole;

The buffer, the housing and the base are movably connected through the connecting hole and the elongated hole through a fourth pin.

A hinge arm, the hinge arm includes:

Base piece, used to fix on the wall to be installed;

The base is located on the base sheet, and the base adjusts the relative position between the base and the base sheet in the first direction through the first adjusting member.

As a preferred technical solution of the embodiment of the present application, the hinge arm further includes:

shell;

Wherein, the housing is located on the base, the housing adjusts the relative position between the housing and the base in the second direction through a second adjusting member, and the housing and the base are adjusted through a third adjusting member. The relative position of the bases in the third direction.

Multiple mounting screws;

Wherein, each mounting screw is used to pass through the second through hole in the plurality of through holes and the mounting hole in the base sheet, and snap into the wall to be installed, wherein the plurality of through holes The holes are distributed on the side wings of the base.

Fixing screw

Wherein, the fixing screw is used to pass through the third through hole of the plurality of through holes and be clamped into the base sheet.

The top of the base is provided with an eccentric hole matching the eccentric, the top of the eccentric is provided with an eccentric cap, the top of the housing is provided with an eccentric cap groove, and the eccentric cap groove is provided with a groove Bottom through hole

The side wall of the base is symmetrically provided with elongated holes, and the first end of the buffer is provided with a connecting hole;

The buffer, the shell and the base are movably connected.

The beneficial effects achieved by the embodiments of the present application are: the positional relationship of the various parts of the hinge can be adjusted relatively, which reduces the installation requirements of the hinge; the hinge arm is provided with a base piece, and the base and the base piece are adjusted through the first adjustment piece between the base and the base piece. The relative position between the base pieces, and thus the relative position of the hinge arm and the installation surface can be changed, which can effectively reduce the trouble in the installation process.

Description of the drawings

The accompanying drawings are used to provide a further understanding of the application, and constitute a part of the specification. Together with the embodiments of the application, they are used to explain the application, and do not constitute a limitation to the application. In the attached picture:

Figure 1 is a schematic diagram of the overall structure of an embodiment of the present application;

2 is a schematic diagram of the structure of the base sheet of the embodiment of the present application;

Figure 3 is a schematic diagram of a base of an embodiment of the present application;

Figure 4 is a schematic diagram of the housing structure of an embodiment of the present application;

FIG. 5 is a schematic structural diagram of a first rotating member according to an embodiment of the present application;

Fig. 6 is a schematic structural diagram of a second rotating member according to an embodiment of the present application;

Figure 7 is a schematic diagram of the hinge cup structure of an embodiment of the present application;

FIG. 8 is a schematic diagram of a buffer structure of an embodiment of the present application;

9 is a schematic diagram of the structure of the hinge arm of the embodiment of the present application;

10 is a schematic diagram of the combined structure of the base and the base sheet according to the embodiment of the present application;

Figure 11 is a closed overall cross-sectional view of an embodiment of the present application;

Figure 12 is an open overall cross-sectional view of an embodiment of the present application;

FIG. 13 is a schematic diagram of an open overall structure of an embodiment of the present application;

Fig. 14 is a schematic diagram of a closed overall structure of an embodiment of the present application.

Detailed ways

The preferred embodiments of the present application will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described here are only used to illustrate and explain the present application, and are not used to limit the present application.

As shown in Figures 1-14, the first embodiment of the present application provides a hinge and a hinge arm. The hinge includes a hinge arm 100. The hinge arm 100 includes a base sheet 110 for fixing on a wall to be installed; a base; 120, located on the base sheet 110, the base 120 adjusts the relative position between the base 120 and the base sheet 110 in the first direction through the first adjusting member 130; the housing 140 is located on the base 120 Above, the housing 140 adjusts the relative position between the housing 140 and the base 120 in the second direction through the second adjusting member 150, and adjusts the housing 140 and the base 120 through the third adjusting member 160 The relative position of each in the third direction.

In an exemplary embodiment, the first adjusting member 130 includes an eccentric nail 131; the eccentric nail 131 is used to pass through the first through hole 121 of the plurality of through holes on the base 120, and is inserted into the Into the base plate 110 and rotate under the action of external force to adjust the relative position of the base 120 and the base plate 110 in the first direction.

In an exemplary embodiment, the hinge arm 100 further includes a plurality of mounting screws 170; each mounting screw 170 is used to pass through the second through hole 122 of the plurality of through holes and the base plate 110 The mounting hole 111 is inserted into the wall surface to be installed, wherein the multiple through holes are distributed on the side wings of the base 120.

In an exemplary embodiment, the hinge arm 100 further includes a fixing screw 180; the fixing screw 180 is used to pass through the third through hole 123 of the plurality of through holes, and be inserted into the base sheet 110 in.

In an exemplary embodiment, the second adjusting member 150 includes an eccentric wheel 151; the top end of the base 120 is provided with an eccentric wheel hole 124 matching the eccentric wheel 151, and the top end of the housing 140 is provided with an eccentric wheel The cap groove 141, the eccentric wheel cap groove 141 is provided with a groove bottom through hole 142, the top of the eccentric wheel 151 is provided with an eccentric wheel cap 152; the eccentric wheel 151 is used to pass through the groove bottom through hole 142 and The eccentric wheel hole 124, and the eccentric wheel cap 152 is clamped into the eccentric wheel cap groove 141, the eccentric wheel 151 rotates under the action of external force to adjust the gap between the housing 140 and the base 120 The relative position in the second direction.

In an exemplary embodiment, at least two points on the edge of the eccentric cap 152 abut the inner side of the eccentric cap groove 141.

In an exemplary embodiment, the eccentric cap groove 141 includes at least two straight edges, and the edge of the eccentric cap 152 is abutted between the two straight edges.

In an exemplary embodiment, the third adjusting member 160 includes an adjusting screw 161; the top end of the housing 140 is also provided with an adjusting screw hole 143; the top end of the base 120 is also provided with an adjusting screw 161. The matching slide rail 125, the bottom end of the adjusting screw 161 is provided with a disk; the adjusting screw 161 fits the disk into the slide rail 125 and passes through the adjusting screw hole 143, so The adjusting screw 161 rotates under the action of an external force to adjust the relative position of the housing 140 and the base 120 in the third direction.

In an exemplary embodiment, the hinge further includes a first rotating part 200 and a second rotating part 300; the first end of the first rotating part 200 is rotatably connected to the hinge arm 100 through a first bolt 410, The first end of the second rotating member 300 is rotatably connected to the hinge arm 100 through a second pin 420, wherein the first end of the second rotating member 300 is also connected to the first end of the buffer 600 through a third pin 430 One end is rotatably connected; the second end of the first rotating member 200 and the second end of the second rotating member 300 are respectively rotatably connected to the hinge cup 500.

In an exemplary embodiment, the base 120 is hollow, and the base 120 is provided with a buffer 600 inside; the side wall of the base 120 is symmetrically provided with elongated holes 126, and the second end of the buffer 600 is provided with There is a connecting hole 601; the buffer 600, the housing 140 and the base 120 are movably connected through the connecting hole 601 and the elongated hole 126 through the fourth plug 440.

In order to make the embodiments of the present application easy to understand, the following describes the installation and use process of the hinge, which is specifically as follows.

As shown in Figures 1-14, the second embodiment of the present application provides a hinge and a hinge arm. The hinge includes: a hinge arm 100, a first rotating part 200, a second rotating part 300, a U-shaped rod 400 and a hinge cup 500 Wherein, the first rotating member 200 and the second rotating member 300 are respectively movably connected between the hinge arm 100 and the hinge cup 500.

In an exemplary embodiment, the first end of the first rotating member 200 is rotatably connected to the hinge arm 100 through a first pin 410; the first end of the second rotating member 300 is connected to the hinge arm 100 via a second pin 420 The hinge arm 100 is connected in rotation; the second end of the first rotating member 200 is movably connected to the hinge cup 500 through one of the legs of the U-shaped rod 400, and the second end of the second rotating member 300 passes through the U-shaped The other leg of the rod 400 is movably connected with the hinge cup 500. The first end of the second rotating member 300 is also rotatably connected to the first end of the buffer 600 through a third pin 430.

In an exemplary embodiment, the hinge arm 100 includes: a housing 140;

A first symmetrical circular hole 144, a second symmetrical circular hole 145, and a third symmetrical circular hole 146 are provided on both sides of the housing 140;

The surface of the first rotating member 200 is provided with a U-shaped groove, and the U-shaped groove is used to accommodate the torsion spring 450. The first rotating member 200 is symmetrically provided with a first symmetry side edge hole 201 and a second symmetry side. Along the hole 202, wherein the first rotating member 200, the housing 140 and the torsion spring 450 are rotatably connected by the first pin 410, and the first pin 410 is used to penetrate the first symmetrical side edge hole 201, The first symmetrical circular hole 144 and the torsion spring 450 circle the inner hole;

A protruding wing 310 is provided at the first end of the second rotating member 300. A first symmetrical wing hole 311 and a second symmetrical wing hole 312 are symmetrically provided on both sides of the protruding wing 310. The housing 140 is rotatably connected by the second pin 420, and the second pin 420 is used to penetrate the first symmetrical wing hole 311 and the second symmetrical circular hole 145;

A first symmetrical cup hole 501 and a second symmetrical cup hole 502 are symmetrically provided on both sides of the hinge cup 500, and the second end of the second rotating member 300 is provided with a rolling hole 320. The first rotating member 200, The second rotating part 300 and the hinge cup 500 are movably connected by the U-shaped rod 400, and one of the feet of the U-shaped rod 400 is used to penetrate the first symmetrical cup hole 501 and the second A symmetrical side edge hole 202, the other leg of the U-shaped rod 400 is used to penetrate the second symmetrical cup hole 502 and the rolling hole 320;

The buffer 600 includes an oil cylinder 610 and a telescopic rod 620 partially accommodated in the oil cylinder 610. One end of the telescopic rod 620 away from the oil cylinder 610 is provided with a convex hole 621. The buffer 600 is connected to the The two rotating parts 300 are movably connected by the third plug 430, and the third plug 430 is used to penetrate the convex hole 621 to be movably connected with the second symmetrical wing hole 312.

In an exemplary embodiment, the hinge arm 100 further includes: a base 120 and a base sheet 110;

The housing 140 is located on the base 120, the base 120 is located on the base sheet 110, and the base sheet 110 is used to be fixed on a wall surface to be installed, such as a door panel.

In an exemplary embodiment, the hinge further includes: a first adjusting member 130, a second adjusting member 150, and a third adjusting member 160;

The base 120 adjusts the relative position between the base 120 and the base sheet 110 in the first direction through the first adjusting member 130;

The housing 140 adjusts the relative position between the housing 140 and the base 120 in the second direction through the second adjusting member 150, and adjusts the distance between the housing 140 and the base 120 through the third adjusting member 160 The relative position in the third direction.

In an exemplary embodiment, the first adjusting member 130 includes an eccentric nail 131;

The eccentric nail 131 is used to pass through the first through hole 121 of the multiple through holes on the base 120, and be inserted into the base sheet 110, and rotate under the action of an external force to adjust the base 120 The relative position with the base sheet 110 in the first direction.

In an exemplary embodiment, the second adjusting member 150 includes an eccentric wheel 151;

The top end of the base 120 is provided with an eccentric hole 124 that matches the eccentric wheel 151, and the top end of the housing 140 is provided with an eccentric wheel cap groove 141. The eccentric wheel cap groove 141 is provided with a groove bottom through hole 142. The top of the eccentric wheel 151 is provided with an eccentric wheel cap 152;

The eccentric wheel 151 is used to pass through the groove bottom through hole 142 and the eccentric wheel hole 124, and the eccentric wheel cap 152 is clamped into the eccentric wheel cap groove 141, and the eccentric wheel 151 Rotate under the action to adjust the relative position between the housing 140 and the base 120 in the second direction.

The third adjusting member 160 includes an adjusting screw 161; the top end of the housing 140 is also provided with an adjusting screw hole 143;

The top end of the base 120 is also provided with a sliding rail 125 that matches the adjustment screw 161, and the bottom end of the adjustment screw 161 is provided with a disc;

The adjusting screw 161 is inserted into the sliding rail 125 in cooperation with the disc and passes through the adjusting screw hole 143. The adjusting screw 161 rotates under the action of external force to adjust the housing 140 and the base. The relative position between 120 in the third direction.

In an exemplary embodiment, the base 120 is hollow, and the buffer 600 is disposed inside the base 120; the side walls of the base 120 are symmetrically provided with elongated holes 126, and the second The end is provided with a connecting hole 601; the buffer 600, the base 120 and the housing 140 are movably connected through a fourth pin 440, which is used to penetrate the connecting hole 601 and the elongated hole 126 And the third symmetrical circular hole 146.

In an exemplary embodiment, the hinge arm 100 further includes a plurality of mounting screws 170;

Each mounting screw 170 is used to pass through the second through hole 122 in the plurality of through holes and the mounting hole 111 in the base sheet 110, and snap into the wall to be installed, wherein the multiple A number of through holes are distributed on the side wing of the base 120.

In an exemplary embodiment, the hinge arm 100 further includes a fixing screw 180;

In an exemplary embodiment, the fixing screw 180 is used to pass through the third through hole 123 of the plurality of through holes, and be inserted into the base sheet 110.

In an exemplary embodiment, a limiting rubber particle 460 is arranged between the first plug 410 and the first symmetrical side edge hole 201, and the limiting rubber particle 460 has a ring structure.

Finally, it should be noted that the above are only examples of the application and are not intended to limit the application. Although the application has been described in detail with reference to the foregoing embodiments, it is still possible for those skilled in the art to The technical solutions described in the foregoing embodiments are modified, or some of the technical features are equivalently replaced. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of this application shall be included in the protection scope of this application.

Claims

A hinge, the hinge comprising a hinge arm (100), characterized in that the hinge arm (100) comprises:

The base piece (110) is used to fix on the wall to be installed;

The base (120) is located on the base sheet (110), and the base (120) is adjusted in the first direction between the base (120) and the base sheet (110) through the first adjusting member (130). Upward relative position;

The housing (140) is located on the base (120), and the housing (140) is adjusted in the second direction between the housing (140) and the base (120) through a second adjusting member (150) The relative position, and the relative position of the housing (140) and the base (120) in the third direction is adjusted by the third adjusting member (160).
The hinge according to claim 1, wherein:

The first adjusting member (130) includes an eccentric nail (131);

The eccentric nail (131) is used to pass through the first through hole (121) of the multiple through holes on the base (120), and is clamped into the base sheet (110), and acts on external force. Rotate downward to adjust the relative position of the base (120) and the base piece (110) in the first direction.
The hinge according to claim 2, wherein:

The hinge arm (100) also includes a plurality of mounting screws (170);

Each mounting screw (170) is used to pass through the second through hole (122) in the plurality of through holes and the mounting hole (111) in the base plate (110), and snap into the to-be-installed In the wall surface, the plurality of through holes are distributed on the side wings of the base (120).
The hinge according to claim 3, characterized in that:

The hinge arm (100) also includes a fixing screw (180);

The fixing screw (180) is used to pass through the third through hole (123) of the plurality of through holes, and is clamped into the base piece (110).
The hinge according to claim 1, wherein:

The second adjusting member (150) includes an eccentric wheel (151);

The top end of the base (120) is provided with an eccentric wheel hole (124) matching the eccentric wheel (151), the top end of the eccentric wheel (151) is provided with an eccentric wheel cap (152), and the housing (140) An eccentric wheel cap groove (141) is provided at the top end of the eccentric wheel cap groove (141) with a groove bottom through hole (142);

The eccentric wheel (151) is used to pass through the groove bottom through hole (142) and the eccentric wheel hole (124), and the eccentric wheel cap (152) is clamped into the eccentric wheel cap groove ( In 141), the eccentric wheel (151) rotates under the action of an external force to adjust the relative position between the housing (140) and the base (120) in the second direction.
The hinge according to claim 5, wherein at least two points on the edge of the eccentric wheel cap (152) abut the inner side of the eccentric wheel cap groove (141).
The hinge according to claim 6, characterized in that: the eccentric cap groove (141) includes at least two straight edges, and the edge of the eccentric cap (152) is abutted between the two straight edges between.
The hinge according to claim 1, wherein:

The third adjusting member (160) includes an adjusting screw (161);

The top of the housing (140) is also provided with an adjusting screw hole (143); the top of the base (120) is also provided with a sliding rail (125) that matches the adjusting screw (161), and the adjusting screw (161) is provided with a disc at the bottom end;

The adjusting screw (161) fits the disc into the sliding rail (125) and passes through the adjusting screw hole (143). The adjusting screw (161) rotates under the action of external force to adjust The relative position between the housing (140) and the base (120) in the third direction.
The hinge according to claim 1, wherein:

The hinge also includes a first rotating part (200), a second rotating part (300) and a hinge cup (500);

The first end of the first rotating member (200) is rotatably connected to the hinge arm (100) through a first bolt (410), and the first end of the second rotating member (300) is connected to the hinge arm (100) through a second bolt (420). ) Is rotatably connected with the hinge arm (100), wherein the first end of the second rotating member (300) is also rotatably connected with the second end of the buffer (600) through a third pin (430);

The second end of the first rotating member (200) and the second end of the second rotating member (300) are respectively rotatably connected to the hinge cup (500).
The hinge according to claim 1, wherein:

The base (120) is hollow inside, and a buffer (600) is provided inside the base (120);

The side wall of the base (120) is symmetrically provided with elongated holes (126), and the first end of the buffer (600) is provided with a connecting hole (601);

The buffer (600), the housing (140) and the base (120) are movably connected by a fourth plug (440), and the fourth plug (440) penetrates the connecting hole (601) and the long Strip hole (126).
A hinge arm, characterized in that the hinge arm (100) comprises:

The base piece (110) is used for fixing on the wall to be installed;

The base (120) is located on the base sheet (110), and the base (120) is adjusted in the first direction between the base (120) and the base sheet (110) through the first adjusting member (130). Relative position upward.
The hinge arm according to claim 11, wherein:

The first adjusting member (130) includes an eccentric nail (131);

The eccentric nail (131) is used to pass through the first through hole (121) of the multiple through holes on the base (120), and is clamped into the base sheet (110), and acts on external force. Rotate downward to adjust the relative position of the base (120) and the base piece (110) in the first direction.
The hinge arm according to claim 12, wherein the hinge arm (100) further comprises:

Shell (140);

Wherein, the housing is located on the base (120), and the housing (140) is adjusted in the second direction between the housing (140) and the base (120) through a second adjusting member (150). The relative position, and the relative position of the housing (140) and the base (120) in the third direction is adjusted by the third adjusting member (160).
The hinge arm according to claim 13, wherein the hinge arm (100) further comprises:

Multiple mounting screws (170);

Wherein, each mounting screw (170) is used to pass through the second through hole (122) in the plurality of through holes and the mounting hole (111) in the base sheet (110), and then snap into the In the wall surface to be installed, the multiple through holes are distributed on the side wings of the base (120).
The hinge arm according to claim 14, wherein the hinge arm (100) further comprises:

Fixing screw (180);

Wherein, the fixing screw (180) is used to pass through the third through hole (123) of the plurality of through holes, and be clamped into the base piece (110).
The hinge arm according to claim 13, wherein:

The second adjusting member (150) includes an eccentric wheel (151);

The top end of the base (120) is provided with an eccentric wheel hole (124) matching the eccentric wheel (151), the top end of the eccentric wheel (151) is provided with an eccentric wheel cap (152), and the housing (140) An eccentric wheel cap groove (141) is provided at the top end of the eccentric wheel cap groove (141) with a groove bottom through hole (142);

The eccentric wheel (151) is used to pass through the groove bottom through hole (142) and the eccentric wheel hole (124), and the eccentric wheel cap (152) is clamped into the eccentric wheel cap groove ( In 141), the eccentric wheel (151) rotates under the action of an external force to adjust the relative position between the housing (140) and the base (120) in the second direction.
The hinge arm according to claim 16, wherein at least two points on the edge of the eccentric wheel cap (152) abut the inner side of the eccentric wheel cap groove (141).
The hinge arm according to claim 16, characterized in that: the eccentric wheel cap groove (141) includes at least two straight edges, and the edge of the eccentric wheel cap (152) is opposed to the two straight edges between.
The hinge arm according to claim 13, wherein:

The third adjusting member (160) includes an adjusting screw (161);

The top of the housing (140) is also provided with an adjusting screw hole (143); the top of the base (120) is also provided with a sliding rail (125) that matches the adjusting screw (161), and the adjusting screw (161) is provided with a disc at the bottom end;

The adjusting screw (161) fits the disc into the sliding rail (125) and passes through the adjusting screw hole (143). The adjusting screw (161) rotates under the action of external force to adjust The relative position between the housing (140) and the base (120) in the third direction.
The hinge arm according to claim 13, wherein:

The base (120) is hollow inside, and a buffer (600) is provided inside the base (120);

The side wall of the base (120) is symmetrically provided with elongated holes (126), and the first end of the buffer (600) is provided with a connecting hole (601);

The buffer (600), the housing (140) and the base (120) are movably connected.