WO2022237124A1

WO2022237124A1 - Adjustment sleeve assembly and hinge comprising same

Info

Publication number: WO2022237124A1
Application number: PCT/CN2021/133212
Authority: WO
Inventors: 徐国强
Original assignee: 平湖福达五金制造股份有限公司
Priority date: 2021-05-12
Filing date: 2021-11-25
Publication date: 2022-11-17

Abstract

An adjustment sleeve assembly and a hinge comprising same. The adjustment sleeve assembly comprises a base (51). A plurality of mounting grooves (52) are formed in the base (51). U-shaped seats (59) are assembled in the mounting grooves (52). Magnets (53) are assembled in the U-shaped seats (59). A housing (54) is fitted outside the base (51). After the hinge is mounted, a locking assembly (100) is arranged, a locking sleeve (101) is mounted on the locking assembly (100), and the locking sleeve (101) is applied to a door (9) without a line to act as a line, so that the locking sleeve (101) is firmly pressed. Moreover, the locking assembly (100) is also used for locking a door frame (8), thereby avoiding damage to the hinge after a door leaf (3) on the door (9) and a fixed leaf (2) between the door frame (8) are attached and collided, so that the whole structure is firmer.

Description

Adjustment sleeve assembly and hinge containing the adjustment sleeve assembly

technical field

The utility model belongs to the technical field of machinery, and in particular relates to an adjusting sleeve assembly and a hinge including the adjusting sleeve assembly.

Background technique

The hinge is also commonly known as the door touch hinge. It is also a device that absorbs and positions the door leaf after it is opened to prevent it from being closed by the wind or touching the door leaf. Magnetic door catches are generally used in ordinary doors and can only be controlled manually; electromagnetic door catches are used in electrically controlled door and window equipment such as fire doors, and have both manual control and automatic control functions.

When the existing door is installed, the door and the door frame need to be fixedly connected through the door hinge. The current door hinge includes left and right hinges, and the left and right hinges are provided with through holes. After the assembly is completed, the opening of the door is fixed by setting a door stopper on the wall. Although it can play a fixed role, the door stopper has an extended end, which is easy to break due to the heavy closing of the door, and it is easy for people to accidentally close the door Touching the door stopper will not only harm the human body but also damage the door stopper.

Existing magnet door hinges, such as a magnet door hinge disclosed in Chinese application number 201420621094. The suction angle can be adjusted according to different use environments or installation environments; however, the magnets installed in the existing adjustment sleeves are not stable enough, and the magnets in the adjustment sleeves will loosen or fall when the door is opened or closed for a long time , brings inconvenience to use, and then affects the service life.

For above-mentioned technical problem, so need to improve.

Utility model content

The utility model aims at overcoming the above-mentioned defects in the prior art, and provides an adjusting sleeve assembly with a simple and reasonable structure, ingenious design, solid overall and safe use and a hinge including the adjustment sleeve assembly.

In order to achieve the above purpose, the technical solution adopted by the utility model is: the adjustment sleeve assembly includes a base, a plurality of installation grooves are formed in the base, U-shaped seats are installed in the installation grooves, magnets are installed in the U-shaped seats, and the outside of the base The outer casing is clamped.

As a preferred form of the present utility model, there are two installation grooves, a connection seat is provided between adjacent installation grooves, an inner concave ring is formed at the end of the connection seat, a limited seat is formed in the outer shell, and the through hole runs through the The limit seat is assembled in the inner concave ring.

As a preferred mode of the present invention, the top of the installation groove is formed with an inner groove along its width direction, and correspondingly, the top of the U-shaped seat is formed with a bump corresponding to the inner groove, and the bump Slidingly fitted in the inner groove, it is used to position the U-shaped seat in the installation groove of the base.

As a preferred mode of the present invention, guide grooves are formed on both side walls of the base, and correspondingly, guide strips are formed inside the outer shell, and the guide strips are slidably fitted in the guide grooves.

As a preferred mode of the present invention, the end of the guide bar is formed with a guide inclined surface, the guide limit block formed in the guide groove, and the front end of the guide limit block is formed with an inclined surface; the guide bar is equipped with a The guide limit block is matched with the clamped guide limit groove, the outer shell and the base are mutually clamped, and the guide limit block is clamped in the guide limit groove.

As a preferred mode of the present invention, several limiting grooves are formed on the top of the base. Correspondingly, mounting blocks are formed on the inner top of the outer casing, and the mounting blocks and the limiting grooves are engaged with each other.

A hinge includes an adjusting sleeve assembly, which is rotatably connected to an arc-shaped connecting piece for adjusting the suction angle of the hinge, wherein the hinge is a mother-child hinge or a door suction hinge.

As a preferred mode of the present utility model, the arc portion on the adjusting sleeve device and the arc connecting piece are fastened by screws; the arc portion is provided with at least two bar-shaped grooves for the screws to move, and the bar-shaped The slots are arranged equidistantly along the length direction of the arc portion.

As a preferred mode of the present invention, the outer side of the adjustment sleeve device is detachably equipped with an anti-absorption plastic buckle, and the anti-absorption plastic buckle is located between the adjustment sleeve device and the magnet.

As a preferred mode of the present invention, the arc-shaped connecting pieces are symmetrically arranged with locking components, and locking sleeves are installed on the locking components, and the locking sleeves are tightly attached to the inner wall of the door frame.

As a preferred mode of the present utility model, the locking assembly includes a sliding seat, a locking bolt and a supporting plate; two connecting plates are symmetrically fixed on the supporting plate; a sliding cavity is formed between the supporting plate and the two connecting plates; The seat is assembled in the sliding cavity, and is slidably connected by a sliding mechanism; the bottom of the connecting plate is fixed with a mounting seat vertically, and a positioning hole is formed on the mounting seat; a locking block is fixed on the outside of the sliding seat, and the locking block fits inside the door frame On the wall; there are mounting holes on the sliding seat, and the locking bolts are sequentially inserted into the mounting holes and positioning holes to adjust the distance between the mounting seat and the sliding seat so that the locking block is closely attached to the inner wall of the door frame.

As a preferred mode of the present invention, the sliding mechanism includes symmetrically arranged grooves, and the grooves are arranged along the length direction of the connecting plate. The slider is slidably connected in the groove.

As a preferred form of the present utility model, the connecting plate has a wide upper part and a narrower lower part, the groove is obliquely arranged on the inner side of the connecting plate, the bottom of the sliding seat is obliquely arranged with a guide block, and the slider is fixed on the outside of the guide block; It has a stepped structure with the guide block; when the slider is slidably connected in the groove, the outer side of the guide block fits with the inner side of the connecting plate.

As a preferred mode of the present invention, a positioning block is vertically fixed on the outer end of the mounting seat, and the outer end surface of the positioning block is on the same level as the outer end surface of the connecting plate.

As a preferred form of the present invention, a concave stepped body is formed on the top of the sliding seat, and the head of the locking bolt is embedded in the concave stepped body.

As a preferred form of the present utility model, the outer end of the sliding seat has an elliptical structure, and correspondingly, an arc-shaped structure matching the elliptical structure is formed on the support plate, and the elliptical structure on the sliding seat slides fit on the curved structure.

As a preferred mode of the present invention, the locking block is formed with a number of anti-skid teeth on the side close to the door frame, and the anti-skid teeth are equidistantly arranged on the locking block.

The beneficial effects of the utility model are:

1. The utility model is simple in structure and ingenious in design. After the hinge is installed, a locking sleeve is installed on the locking assembly by setting the locking assembly. The locking sleeve is used as a line on the door frame without lines, which can Let the locking component be pressed firmly, and it is also used to lock the door frame tightly, avoiding the damage of the hinge after repeated adsorption and collision between the door leaf and the door frame, and making the whole structure stronger. It reduces the shaking of the door, plays a protective role, and prolongs the service life of the hinge; among them, the door frame line does not need a locking sleeve, which is a flexible component.

2. The adjustment sleeve assembly provided by the utility model is practical and convenient, optimizes the traditional mother-in-law hinge and door suction hinge, saves materials, and at the same time, avoids the loosening or falling of the magnet in the adjustment sleeve after long-term use Risk, prolong the service life, and further ensure the safety of use.

3. The locking assembly of the utility model is fixedly connected to the hinge, has a firm structure, and is used to adjust the distance between the mounting seat and the sliding seat through the locking bolt, so that the locking block is closely attached to the inner wall of the door frame; It is suitable for door frames of different sizes and has a wide range of applications.

4. After the hinge is installed, the utility model locks the locking block and the mounting seat to lock the door frame tightly, making the whole structure (hinge and door) firmer and more convenient than the installation scheme of the prior art.

Description of drawings

Fig. 1 is a schematic structural diagram of an adjusting sleeve device according to the embodiment of the present invention;

Fig. 2 is an exploded view (1) of an adjusting sleeve device of the utility model embodiment;

Fig. 3 is an exploded view (2) of an adjusting sleeve device according to Embodiment 1 of the utility model;

Fig. 4 is a schematic structural view of Embodiment 1 of the utility model;

Fig. 5 is a diagram of the use state of Embodiment 1 of the utility model;

Fig. 6 is a schematic structural diagram of a locking assembly according to an embodiment of the present invention;

Fig. 7 is an exploded view of the structure of a locking assembly according to the embodiment of the present invention;

Fig. 8 is the structural representation (1) of the utility model embodiment two;

Fig. 9 is a schematic structural view (2) of Embodiment 2 of the utility model;

Fig. 10 is a schematic structural view of a third embodiment of the utility model;

Fig. 11 is a diagram of the use state of the fourth locking assembly of the utility model embodiment installed on the casement hinge;

Fig. 12 is a structural schematic diagram of the fourth embodiment of the utility model where the locking assembly is installed on the hinge;

Fig. 13 is a diagram of the usage status of the fifth embodiment of the utility model where the locking assembly is installed on the mother-child hinge;

Fig. 14 is a structural schematic diagram of the fifth embodiment of the utility model where the locking assembly is installed on the mother-child hinge;

Reference signs in the figure: female hinge 1, fixed leaf 2, door leaf 3, arc connecting piece 4, adjusting sleeve device 5, arc part 5-1, child hinge 6, screw 7, door frame 8, Door 9, mounting seat 10, positioning hole 11, mounting hole 12, support plate 13, sliding cavity 14, connecting plate 15, elliptical structure 16, arc structure 17, positioning block 18, sliding seat 20, sliding block 21, concave Step-shaped body 22, anti-suction plastic buckle 23, locking bolt 30, locking block 40, anti-slip teeth 42, sliding mechanism 50, base 51, mounting groove 52, magnet 53, outer shell 54, connecting seat 55, inner concave ring 55-1, U-shaped seat 59, inner groove 60, bump 61, guide groove 62, guide strip 63, guide inclined surface 63-1, guide limit block 64, inclined surface 64-1, guide limit groove 65, limit groove 66, mounting block 67, limit seat 68, locking assembly 100, locking sleeve 101, groove 113, guide block 116.

Detailed ways

Below in conjunction with accompanying drawing, the utility model embodiment is described in detail.

Embodiment one

As shown in Figures 1-3, it is a structural schematic diagram of an adjusting sleeve device 5 according to an embodiment of the present utility model. Specifically, the adjusting sleeve assembly includes a base 51, and a plurality of mounting grooves 52 are formed in the base 51, and the mounting grooves 52 are assembled There is a U-shaped seat 59, a magnet 53 is assembled in the U-shaped seat 59, and an outer casing 54 is clamped on the outside of the base 51; wherein, the base 51 is made of 430 stainless steel, the material of the U-shaped seat 59 is iron, and the outer casing 54 is Made of ABS plastic material, the adjustment sleeve assembly provided by the utility model is practical and convenient, optimizes the traditional mother-in-law hinge and door suction hinge, saves materials, and at the same time, avoids loosening of the magnet in the adjustment sleeve after long-term use Or the risk of falling, prolonging the service life and further ensuring the safety of use.

Specifically, there are two installation grooves 52, and a connection seat 55 is arranged between adjacent installation grooves 52. An inner concave ring 55-1 is formed at the end of the connection seat 55, and a limit seat 68 is formed in the outer shell 54, and a through hole 57 runs through the limit seat 68, and the limit seat 68 is assembled in the inner concave ring 55-1; the top of the installation groove 52 is formed with an inner groove 60 along its width direction, and correspondingly, the top of the U-shaped seat 59 is formed with The protrusion 61 corresponding to the inner groove 60 is slidably fitted in the inner groove 60 for positioning the U-shaped seat 59 in the installation groove 52 of the base 51 .

Guide grooves 62 are formed on both side walls of the base 51 . Correspondingly, guide strips 63 are formed inside the outer shell 54 , and the guide strips 63 are slidably fitted in the guide grooves 62 .

The end portion of guide bar 63 is formed with guide inclined surface 63-1, the guide stop block 64 that forms in guide groove 62, guide stop block 64 front end is formed with inclined surface 64-1; The limit block 64 fits into the guide limit groove 65 , the outer casing 54 and the base 51 engage with each other, and the guide limit block 64 engages in the guide limit groove 65 .

Specifically, the top of the base 51 is formed with a number of limiting grooves 66, and correspondingly, the top of the inner side of the outer casing 54 is formed with a mounting block 67, and the mounting block 67 and the limiting groove 66 are engaged with each other; the end of the mounting block 67 is formed The inclined guide surface improves the assembly efficiency between the mounting block 67 and the limiting groove 66 during mutual assembly.

As shown in Figure 4-5, it is a structural schematic diagram of the assembly of the adjusting sleeve assembly 5 on the hinge. Specifically, there are two locking assemblies 100, which are symmetrically fixed on the arc-shaped connecting piece 4 of the fixed leaf 2; A locking sleeve 101 is installed on the locking assembly 100, and the locking sleeve 101 is closely attached to the inner wall of the door frame; wherein, the hinge is a door suction hinge; the locking assembly 100 of the utility model is fixedly connected to the hinge, The locking sleeve 101 is installed on the locking assembly 100, the structure is firm, and the distance between the mounting seat and the sliding seat is adjusted by the locking bolt, so that the locking block is closely attached to the inner wall of the door frame; it is suitable for different sizes The door frame has a wide range of applications; after the locking component and the hinge are assembled, the overall firmness and balance are improved, the installation steps are reduced, and the work efficiency is improved.

Wherein, in the present embodiment, the arc-shaped connecting piece 4 is rotatably connected with an adjusting sleeve device 5 for adjusting the suction angle between the hinges; The pieces are attracted to each other, and the angle of attraction between the door leaf and the fixed leaf can be changed by rotating the angle of the adjustment sleeve 5, so that the angle of attraction can be adjusted according to different use environments or installation environments; due to the attraction of the magnet and the iron sheet It will be difficult to break apart in the future. During the assembly process, it will affect the woodworking installation, which will affect the processing efficiency.

The adjusting sleeve assembly 5 is rotatably connected to the arc-shaped connecting piece 4 for adjusting the suction angle of the hinge. The arc portion 5-1 on the adjusting sleeve device 5 and the arc-shaped connecting piece 4 are fastened by screws 7; the arc The part 5-1 is provided with at least two bar-shaped grooves 5-4 for the movement of the screw 7, and the bar-shaped grooves 5-4 are arranged equidistantly along the length direction of the arc part 5-1; It is more firm after tightening, avoiding the loosening of the door suction hinge after using it for a long time, and further ensuring the safety of use.

In this embodiment, large-angle (130°-185°) adjustment can be realized to adapt to different workplaces, and the practical performance is good; wherein, the door suction hinge is made of stainless steel, and the stainless steel material is 430 stainless steel, 315 stainless steel or 304 stainless steel; The door suction hinge can also be aluminum alloy or zinc alloy.

As shown in Figures 6-7, the locking assembly 100 includes a sliding seat 20, a locking bolt 30, and a support plate 13; two connecting plates 15 are symmetrically fixed on the supporting plate 13; A sliding cavity 14 is formed; the sliding seat 20 is assembled in the sliding cavity 14, and is slidably connected by a sliding mechanism 50; A locking block 40 is provided, and the locking block 40 is attached to the inner wall of the door frame; the sliding seat 20 has a mounting hole 12, and the locking bolt 30 is sequentially inserted into the mounting hole 12 and the positioning hole 11 for adjustment and installation. The distance between the seat 10 and the sliding seat 20, a locking sleeve 101 is installed on the locking block 40, and the locking sleeve 101 is closely attached to the inner wall of the door frame; wherein, the locking sleeve 101 is made of plastic material; the utility model The structure is simple and the design is ingenious. After the hinge is installed, by setting the locking assembly, the locking sleeve 101 on the locking assembly is connected to the fixed leaf and the door frame 8, and is used to lock the door frame 8, avoiding the door leaf on the door. After the fixed leaf sheet between the sheet and the door frame 8 repeatedly absorbs and collides, the damage of the hinge is caused, the whole structure is made firmer, the shaking of the door is reduced, the protection is played, and the service life of the hinge is prolonged.

Wherein, the sliding mechanism 50 includes grooves 113 arranged symmetrically, and the grooves 113 are arranged along the length direction of the connecting plate 15. Correspondingly, a sliding block 21 matching the grooves 113 is fixed on the outside of the sliding seat 20, The slide block 21 is slidably connected in the groove 113; the sliding seat 20 is slidably connected with the mounting seat 10, which improves the stability and safety during the adjustment process of the locking bolt 30; the groove 113 is used to limit the sliding block 21 from the sliding cavity 14, which ensures the stability and safety of the sliding block 21 sliding in the groove 113, and provides convenience for the subsequent entire locking assembly to lock the door frame.

The connecting plate 15 is a wide upper and lower narrow structure, the groove 113 is arranged obliquely on the inner side of the connecting plate 15, the bottom of the sliding seat 20 is obliquely arranged with a guide block 116, and the slide block 21 is fixed on the outside of the guide block 116; the slide block 21 and the guide block 116 It has a stepped structure; when the slider 21 is slidably connected in the groove 113, the outer side of the guide block 116 fits the inner side of the connecting plate 15; the contact area between the guiding block 116 and the connecting plate 15 is increased, so that the sliding The seat 20 and the installation seat 10 are more firmly connected during the connection process.

Specifically, the outer end of the mounting seat 10 is vertically fixed with a positioning block 18, and the outer end surface of the positioning block 18 is on the same level as the outer end surface of the connecting plate 15; the front end of the positioning block 18 is against the door frame 8, and the positioning The block 18 can prevent the locking bolt 30 from protruding from the positioning hole 11 and touching the door frame 8 , thereby causing damage to the door frame 8 .

A concave stepped body 22 is formed on the top of the sliding seat 20 , and the head of the locking bolt 30 is embedded in the concave stepped body 22 . The aesthetics of the entire locking assembly is improved, and at the same time, the head of the locking bolt 30 is abutted against the concave stepped body 22, which increases the contact area of the head of the locking bolt 30 and further ensures the locking The use of the bolt 30 is safe.

The outer end of the sliding seat 20 is an elliptical structure 16. Correspondingly, an arc-shaped structure 17 matching the elliptical structure 16 is formed on the support plate 13, and the elliptical structure 16 on the sliding seat 20 slides and fits in the arc-shaped On the structure 17; through the mutual cooperation between the elliptical structure 16 and the arc structure 17, the contact area between the sliding seat 20 and the support plate 13 is increased, the stability and safety of the assembly and sliding of the two are improved, and the work is improved. efficiency.

Wherein, a plurality of anti-slip teeth 42 are formed on the side of the locking block 40 close to the locking sleeve 101 , and the plurality of anti-slip teeth 42 are equidistantly arranged on the locking block 40 .

Embodiment two:

As shown in Figure 8, it is a diagram of the use state of the second adjusting sleeve device 5 of the utility model embodiment installed on the mother and child hinge; Schematic diagram of the structure on the hinge; there are two locking components 100, which are symmetrically fixed on the arc-shaped connecting piece 4 of the female hinge 1; a locking sleeve 101 is installed on the locking component 100, and the locking sleeve 101 is close to the On the inner wall of the door frame; the utility model has simple structure and ingenious design. After the hinge is installed, the locking assembly is provided with a locking sleeve, and the locking sleeve is applied to the door frame without lines. Acting as lines, the locking components can be pressed firmly, and it is also used to lock the door frame tightly, avoiding the damage of the hinge after repeated adsorption and collision between the door leaf and the door frame on the door, causing the entire The structure is stronger, which reduces the shaking of the door, plays a protective role, and prolongs the service life of the hinge; among them, the hinge is a mother-in-law hinge, and the door frame line does not need a locking sleeve, which is a flexible application parts.

In this embodiment, the angle between the door and the door frame can be effectively adjusted, and the door frame and the door can be adjusted and fixed at various angles from 90° to 120°. It can adapt to different working situations and has good practical performance; The hinge is made of stainless steel, and the stainless steel material is 430 stainless steel, 315 stainless steel or 304 stainless steel; the door suction hinge can also be aluminum alloy or zinc alloy.

For other content in this embodiment, reference may be made to Embodiment 1.

Embodiment three:

As shown in Figure 10, it is a schematic structural diagram of the third embodiment of the utility model;

Specifically, there are two locking assemblies 100, which are symmetrically fixed on the arc-shaped connecting piece 4 of the fixed leaf 2; wherein, the hinge is a door suction hinge; the locking assembly 100 of the present utility model is fixedly connected to On the hinge, the structure is firm, and the distance between the mounting seat and the sliding seat is adjusted through the locking bolt, so that the locking block is closely attached to the inner wall of the door frame; it is suitable for door frames of different sizes and has a wide range of applications; locking After the components and the hinge are assembled, the overall firmness and balance are improved, the installation steps are reduced, and the work efficiency is improved.

Wherein, in the present embodiment, the arc-shaped connecting piece 4 is rotatably connected with an adjusting sleeve device 5 for adjusting the suction angle between the hinges; The pieces are attracted to each other, and the angle of attraction between the door leaf and the fixed leaf can be changed by rotating the angle of the adjustment sleeve 5, so that the angle of attraction can be adjusted according to different use environments or installation environments; due to the attraction of the magnet and the iron sheet It will be difficult to break apart in the future. During the assembly process, it will affect the woodworking installation, and then affect the processing efficiency. Therefore, the outside of the adjustment sleeve device 5 is detachably equipped with an anti-absorption plastic buckle 23, and the anti-absorption plastic buckle 23 is located on the adjustment sleeve device. 5 and the magnet 53, by setting the anti-suction plastic buckle 23, the magnet and the iron sheet can be temporarily separated until all doors are installed, and then the anti-suction plastic buckle 23 is removed; the operation is simple, convenient and practical.

For other content in this embodiment, reference may be made to Embodiment 1 or Embodiment 2.

Embodiment four:

As shown in Figure 11, it is the use state diagram of the fourth locking assembly of the utility model embodiment installed on the door suction hinge; as shown in Figure 12, it is the fourth locking assembly of the utility model embodiment installed on the door suction hinge The structure diagram above; there are two locking components 100, which are symmetrically fixed on the arc-shaped connecting piece 4 of the fixed leaf 2; wherein, the hinge is an ordinary flat hinge.

In this embodiment, the structure is similar to that of Embodiment 1, the difference is that the magnet in Embodiment 1 is replaced by a round silica gel, which plays the role of adjusting the top of the door (door touch); wherein, the casement hinge is made of stainless steel, The stainless steel material is 430 stainless steel, 315 stainless steel or 304 stainless steel; the door suction hinge can also be aluminum alloy or zinc alloy.

For other content in this embodiment, reference may be made to Embodiment 1.

Embodiment five:

As shown in Figure 13, it is a diagram of the use status of the fifth embodiment of the utility model, where the locking assembly is installed on the mother and child hinge; as shown in Figure 14, it is the fifth embodiment of the utility model, where the locking assembly is installed on the mother and child hinge The structure schematic diagram above; there are two locking components 100, which are symmetrically fixed on the arc-shaped connecting piece 4 of the female hinge 1; wherein, the hinge is a female hinge.

In this embodiment, the structure is similar to that of Embodiment 2, the difference is that the magnet in Embodiment 2 is replaced by a round silica gel, which plays the role of adjusting the door top (door touch); wherein, the mother and child hinges are made of stainless steel, The stainless steel material is 430 stainless steel, 315 stainless steel or 304 stainless steel; the door suction hinge can also be aluminum alloy or zinc alloy.

Other content in this embodiment can refer to Embodiment 2.

The above description of the disclosed embodiments enables those skilled in the art to realize or use the utility model. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present utility model; Therefore, the present invention will not be limited to these embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Although this article uses more reference signs in the figure: female hinge 1, fixed leaf 2, door leaf 3, arc connecting piece 4, adjusting sleeve device 5, arc portion 5-1, sub-hinge 6 , screw 7, door frame 8, door 9, mounting seat 10, positioning hole 11, mounting hole 12, support plate 13, sliding cavity 14, connecting plate 15, elliptical structure 16, arc structure 17, positioning block 18, sliding seat 20 , slider 21, concave stepped body 22, anti-suction plastic buckle 23, locking bolt 30, locking block 40, anti-slip teeth 42, sliding mechanism 50, base 51, mounting groove 52, magnet 53, outer shell 54, Connecting seat 55, inner concave ring 55-1, U-shaped seat 59, inner groove 60, bump 61, guide groove 62, guide strip 63, guide inclined surface 63-1, guide limit block 64, inclined surface 64 -1, terminology such as guide limit groove 65, limit groove 66, mounting block 67, limit seat 68, locking assembly 100, locking sleeve 101, groove 113, guide block 116, but does not exclude the use of other terms possibility; these terms are used only to describe and explain the essence of the utility model more conveniently; interpreting them as any kind of additional limitation is contrary to the spirit of the utility model.

Claims

The adjustment sleeve assembly is characterized in that it includes a base (51), a plurality of installation grooves (52) are formed in the base (51), and a U-shaped seat (59) is installed in the installation groove (52). The U-shaped seat (59) A magnet (53) is installed inside, and an outer casing (54) is clamped on the outside of the base (51).
The adjustment sleeve assembly according to claim 1, characterized in that: two installation grooves (52) are provided, and connecting seats (55) are arranged between adjacent installation grooves (52), and the ends of the connecting seats (55) A concave ring (55-1) is formed at the top of the body, a limit seat (68) is formed in the outer shell (54), the through hole (57) passes through the limit seat (68), and the limit seat (68) is assembled on the concave ring (55-1).
The adjustment sleeve assembly according to claim 2, characterized in that: the top of the installation groove (52) is formed with an inner groove (60) along its width direction, and correspondingly, the top of the U-shaped seat (59) A protrusion (61) corresponding to the inner groove (60) is formed, and the protrusion (61) is slidably fitted in the inner groove (60) for positioning the U-shaped seat (59) on the base (51). Install in the groove (52).
The adjustment sleeve assembly according to claim 3, characterized in that: guide grooves (62) are formed on the two side walls of the base (51), and correspondingly, guide strips are formed inside the outer shell (54) (63), the guide bar (63) is slidingly assembled in the guide groove (62).
The adjustment sleeve assembly according to claim 4, characterized in that: the end of the guide bar (63) is formed with a guide inclined surface (63-1), and the guide stopper (63-1) formed in the guide groove (62) 64), the front end of the guide limit block (64) is formed with an inclined surface (64-1); the guide bar (63) is equipped with a guide limit groove (65) that is matched with the guide limit block (64) , the outer casing (54) and the base (51) are engaged with each other, and the guide limit block (64) is engaged with the guide limit groove (65).
The adjustment sleeve assembly according to claim 5, characterized in that: the top of the base (51) is formed with a number of limiting slots (66), and correspondingly, the top of the inner side of the outer shell (54) is formed with a mounting block ( 67), the mounting block (67) and the limiting groove (66) are engaged with each other.
A hinge, characterized in that it includes the adjustment sleeve assembly (5) according to any one of claims 1-6, the adjustment sleeve assembly (5) is rotatably connected to the arc-shaped connecting piece (4) for adjusting the hinge The hinge angle of the page, where the hinge is a mother-child hinge or a door hinge.
A hinge according to claim 7, characterized in that: the arc portion (5-1) on the adjusting sleeve device (5) and the arc connecting piece (4) are fastened by screws (7); The arc portion (5-1) is provided with at least two bar-shaped grooves (5-4) for the movement of the screw (7), and the bar-shaped grooves (5-4) are along the arc portion (5-1). Equidistant layout in the length direction.
A hinge according to claim 9, characterized in that: the outside of the adjustment sleeve device (5) is detachably equipped with an anti-absorption plastic buckle (23), and the anti-absorption plastic buckle (23) is located on the adjustment sleeve device ( 5) Between the magnet (53).
A hinge according to claim 8, characterized in that: the arc-shaped connecting piece (4) is symmetrically arranged with a locking assembly (100), and a locking sleeve (101) is installed on the locking assembly (100) , the locking sleeve (101) is tightly attached to the inner wall of the door frame.
A hinge according to claim 10, characterized in that: the locking assembly (100) comprises a sliding seat (20), a locking bolt (30) and a support plate (13); Two connecting plates (15) are fixed symmetrically; a sliding cavity (14) is formed between the supporting plate (13) and the two connecting plates (15); the sliding seat (20) is assembled in the sliding cavity (14), and through the sliding mechanism (50) sliding connection; the bottom of the connecting plate (15) is vertically fixed with a mounting seat (10), and a positioning hole (11) is formed on the mounting seat (10); the outer side of the sliding seat (20) is fixedly provided with a locking block (40 ), the locking block (40) fits on the inner wall of the door frame; there are mounting holes (12) on the sliding seat (20), and the locking bolts (30) are sequentially inserted into the mounting holes (12) and the positioning holes (11 ), used to adjust the distance between the mounting seat (10) and the sliding seat (20), so that the locking block (40) is tightly attached to the inner wall of the door frame.
A hinge according to claim 11, characterized in that: the sliding mechanism (50) includes symmetrically arranged grooves (113), the grooves (113) are arranged along the length direction of the connecting plate (15), and Correspondingly, a sliding block (21) matching the groove (113) is fixed on the outer side of the sliding seat (20), and the sliding block (21) is slidably connected in the groove (113).
A hinge according to claim 12, characterized in that: the connecting plate (15) is a structure with a wide top and a narrow bottom, the groove (113) is obliquely arranged inside the connecting plate (15), and the sliding seat (20) The bottom is inclined with a guide block (16), and the slide block (21) is fixed on the outside of the guide block (16); the slide block (21) and the guide block (16) are in a stepped structure; the slide block (21) is slidingly connected to the concave When in the groove (113), the outside of the guide block (16) is attached to the inside of the connecting plate (15).
A hinge according to claim 11, characterized in that: a positioning block (18) is vertically fixed on the outer end of the mounting seat (10), and the outer end surface of the positioning block (18) is in contact with the connecting plate (15 ) are on the same horizontal plane.
A hinge according to claim 12, characterized in that: a concave stepped body (22) is formed on the top of the sliding seat (20), and the head of the locking bolt (30) is embedded in the concave step. On the stepped body (22).
A hinge according to claim 15, characterized in that: the outer end of the sliding seat (20) has an elliptical structure (16), and correspondingly, an elliptical structure is formed on the support plate (13). (16) The matching arc structure (17), the ellipse structure (16) on the sliding seat (20) slides and fits on the arc structure (17).
A hinge according to claim 11, characterized in that: said locking block (40) is formed with several anti-slip teeth (42) on the side close to the door frame, and several anti-slip teeth (42) are equidistantly arranged on the locking block (40) up.