CN218912596U - Detachable hinge - Google Patents

Abstract

The utility model discloses the technical field of hinges, in particular to a detachable hinge, which comprises an upper leaf, a lower shell which is connected with the lower leaf and provided with a bottom wall, and a rotating shaft assembly which is detachably assembled with the lower shell, wherein the rotating shaft assembly comprises a first spring, a ball, a clamping piece, a connecting rod, an upper shell which is connected with the upper leaf and provided with the bottom wall, a pressing block which can be movably assembled in the upper shell, and a connecting seat which is rotatably assembled with the pressing block, the bottom wall of the upper shell is provided with a convex assembly column, two ends of the first spring are respectively connected with the connecting seat and the assembly column, a concave wave-shaped groove is formed in an inner wall ring of the upper shell, a concave annular groove is formed in an outer wall ring of the pressing block, the ball is correspondingly arranged between the wave-shaped groove and the annular groove, one end of the clamping piece is movably connected with the assembly column, two ends of the connecting rod are respectively movably connected with the connecting seat and the clamping piece, the side wall of the upper shell is provided with an opening part which penetrates, and the concave clamping groove is formed in a corresponding opening part ring.

Description

Detachable hinge

Technical Field

The utility model relates to the technical field of hinges, in particular to a detachable hinge.

Background

The hinge is a device for connecting or rotating, and is commonly used for connecting a door body and a door frame, so that the door body and the door frame can be rotated to be opened and closed, a lower sheet is fixedly arranged on one side of the door frame through screw connection, an upper sheet is fixedly arranged on one side of the door body through screw connection, when the door body needs to be disassembled, the door body and the door frame can be disassembled and separated only by unscrewing screws connected with one side of the door body and the door frame, the disassembly mode is large in workload, certain technical requirements are required for operators, and the door body or the door frame is easy to be damaged by disassembling the screws for many times, so that normal use is influenced;

in the prior art, a detachable hinge is adopted, an upper hinge is connected with a rotating shaft, a lower hinge is connected with a shell, and the rotating shaft is detachably inserted in the shell, so that the upper hinge and the lower hinge can be detachably assembled, and when a door body needs to be detached from a door frame, the rotating shaft of the upper hinge is pulled out of the shell of the lower hinge to complete the separation of the door body and the door frame;

however, the assembly between the rotating shaft and the shell is not provided with a clamping limiting mechanism, so that the axial freedom degree of the rotating shaft cannot be limited, the rotating shaft is inserted into the shell and has axial displacement, the rotating shaft is easy to loosen in the shell, the rotating shaft is deviated and rocked during rotation, the assembly clearance of the assembled hinge is influenced, the assembly clearance of the door body and the door frame is influenced, abnormal sound is generated when the door body is opened and closed, and the rotating shaft is blocked in the shell, so that the hinge is scrapped and normal use of a user is influenced;

meanwhile, the door body is usually provided with at least two groups of hinges, when the axis displacement deviation exists in the hinges installed in advance during assembly, the installation precision of the hinges installed later is affected, the hinge correction time is increased, even the hinges are required to be reinstalled, the assembly difficulty of the detachable hinges is increased, and the installation efficiency is reduced;

in addition, the detachable hinges are easy to separate and fall off in the transportation or taking process, so that the detachable hinges are inconvenient to transport or take.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems described in the related description to some extent. To this end, it is an object of the present utility model to provide a removable hinge.

In order to achieve the above purpose, the present utility model adopts the following scheme: the utility model provides a detachable hinge, includes upper blade, lower blade, with lower blade is connected and has the lower casing of diapire, still include with lower casing detachable assembly's pivot subassembly, pivot subassembly include first spring, ball, joint spare, connecting rod, with upper housing that upper blade is connected and has the diapire, movable assembly be in briquetting in the upper housing, with briquetting rotatable assembled connecting seat, the diapire of upper housing has the assembly post that the arch set up, the both ends of first spring connect respectively in the connecting seat with the assembly post, the inner wall ring of upper housing is equipped with sunken wave groove, the outer wall ring of briquetting is equipped with sunken ring channel, the ball with the corresponding setting of ring channel, the ball movable assembly be in between the wave groove with the ring channel, the one end of joint spare with assembly post swing joint, the both ends of connecting rod respectively movable connection in the connecting seat with the joint spare, the lateral wall of upper housing has the opening that runs through the setting, the lower housing has protruding assembly post, the inner wall ring is equipped with the recess when pressing down the joint spare is in the opening is in the compression groove is in the at least one the compression groove is in the opening when the compression groove is in the compression groove is pressed down.

The wave-shaped groove comprises a plurality of groups of first groove parts which are arranged in an inverted V shape, a plurality of groups of second groove parts which are arranged in an inverted V shape, wherein the vertical distance between the top of the first groove part and the bottom of the first groove part is smaller than the vertical distance between the top of the second groove part and the bottom of the second groove part, and the first groove part and the second groove part are communicated with each other in sequence and are annularly arranged on the inner wall of the upper shell.

The clamping piece comprises a protruding block, a supporting rod and a second spring, the supporting rod is movably connected with the assembly column, two ends of the second spring are respectively connected with the protruding block and the supporting rod, and the protruding block can move towards the supporting rod in a telescopic mode.

Wherein, the briquetting is provided with from the connecting seat towards the sunken depressed part of briquetting, the connecting seat rotatable assembly is in the depressed part.

The upper shell is provided with an arc-shaped portion, the arc-shaped portion is gradually inclined towards the opening from the inner wall of the upper shell, and at least part of the arc-shaped portion is communicated with the opening.

The connecting seat is provided with an assembly hole which is arranged corresponding to the assembly column, the assembly hole is arranged from the assembly column towards the connecting seat in a recessed mode, and when the first spring is in a reset state, at least part of the inner wall of the assembly hole is sleeved on the outer wall of the assembly column.

The ball mounting device comprises a first groove part and a second groove part, and is characterized by further comprising a limiting block, wherein the upper shell is provided with a ball mounting groove which is communicated with the first groove part from top to bottom, the limiting block is detachably assembled in the ball mounting groove, and the bottom of the limiting block is correspondingly arranged with the first groove part.

The novel ball joint comprises a ball joint body, a ball joint seat, a supporting rod and an assembling column, wherein the supporting rod is connected with the ball joint body, the assembling column is connected with the ball joint seat, and the supporting rod is connected with the assembling column in a universal ball joint manner.

The connecting seat is provided with a first connecting portion which is concave and U-shaped, one end of the connecting rod is provided with a first connecting hole which is penetrated, and the first connecting pin penetrates through the first connecting hole and two ends of the first connecting pin are respectively connected with the first connecting portion.

The novel connecting rod comprises a connecting rod, and is characterized by further comprising a second connecting pin, wherein the supporting rod is provided with a second connecting part which is concavely arranged and is U-shaped, the other end of the connecting rod is provided with a second connecting hole which is arranged in a penetrating mode, and the second connecting pin penetrates through the second connecting hole and two ends of the second connecting pin are respectively connected with the second connecting part.

The utility model has the advantages that the upper page is detachably assembled in the lower shell of the lower page through the rotating shaft assembly, and the ball moves in the wavy groove when the pressing block is pressed by the telescopic clamping piece, so that the axial movement of the pressing block is converted into the circular movement of the pressing block, and the ball moves between the first groove part and the second groove part;

when the upper hinge and the lower hinge are assembled, the pressing block is pressed to enable the balls to be located at the first groove part, under the action of no external force, the pressing block is acted by the first spring, so that the balls are located at the top of the first groove part, meanwhile, the connecting rod pushes the supporting rod to swing and open, the protruding block moves outwards along the inner wall of the arc part until the protruding block is exposed out of the opening part and is clamped in the clamping groove, the stability of connection between the rotating shaft assembly and the lower shell is improved, the axial freedom degree of the rotating shaft assembly is limited, the axial displacement of the rotating shaft assembly in the shell is reduced, the assembly stability of the upper hinge and the lower hinge is improved, the assembly gap is reduced, the deflection shaking amount during rotation of the upper hinge is reduced, the risk of detachment of the upper hinge and the lower hinge during transportation or taking is reduced, and the safety and reliability during transportation or taking of the hinge are improved;

when upper hinge and lower hinge are dismantled, press the briquetting and make the ball be in second recess portion, under the effect that does not have the external force, because the briquetting receives the effort of first spring for the ball is in the top at second recess portion, simultaneously, connecting rod pulling branch is drawn in toward the connecting seat direction, make the lug move inwards along the inner wall of arc portion, until in the lug removes to the upper casing, make pivot subassembly and lower casing separation, promote pivot subassembly and lower casing dismantlement's convenience, thereby promote the convenience of upper hinge and lower hinge dismouting, reduce the dismouting degree of difficulty, promote user's use experience.

Drawings

FIG. 1 is a schematic view of a detachable hinge in a detached state;

FIG. 2 is a schematic view of an assembled state of a detachable hinge;

FIG. 3 is a sectional view of a detachable hinge in a detached state;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

FIG. 5 is a view in the direction C of FIG. 4;

FIG. 6 is a partial enlarged view at B in FIG. 3;

FIG. 7 is a view in the direction D of FIG. 6;

FIG. 8 is an assembled cross-sectional view of a removable hinge;

FIG. 9 is an enlarged view of a portion of FIG. 8 at E;

FIG. 10 is a perspective view of an upper housing of the removable hinge;

FIG. 11 is a front view of an upper housing of the removable hinge;

fig. 12 is a cross-sectional view at F-F in fig. 11.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so as to provide an intuitive and visual understanding of each technical feature and overall solution of the present utility model, but are not to be construed as limiting the scope of the present utility model.

In the description of the present utility model, if an orientation description such as "upper", "lower", "front", "rear", "left", "right", etc. is referred to, it is merely for convenience of description and simplification of the description, and does not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the utility model. When a feature is referred to as being "disposed," "secured" or "connected" to another feature, it can be directly disposed, secured or connected to the other feature or it can be indirectly disposed, secured or connected to the other feature.

In the description of the present utility model, if "a number" is referred to, it means one or more, if "a number" is referred to, it means two or more, if "greater than", "less than", "exceeding" is referred to, it is to be understood that the number is not included, and if "above", "below", "within" is referred to, it is understood that the number is included. If reference is made to "first", "second" it is to be understood as being used for distinguishing technical features and not as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

Furthermore, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. It should be understood that the terms "comprises" and "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

Example 1: as shown in fig. 1-12, a detachable hinge comprises an upper leaf 1, a lower leaf 2, a lower shell 201 connected with the lower leaf 2 and provided with a bottom wall, and a rotating shaft assembly 3 detachably assembled with the lower shell 201, wherein the rotating shaft assembly 3 comprises a first spring 301, a ball 302, a clamping piece 303, a connecting rod 304, an upper shell 305 connected with the upper leaf 1 and provided with a bottom wall, a pressing block 306 movably assembled in the upper shell 305, and a connecting seat 307 rotatably assembled with the pressing block 306, the bottom wall of the upper shell 305 is provided with an assembling column 308 which is arranged in a protruding way, two ends of the first spring 301 are respectively connected with the connecting seat 307 and the assembling column 308, a concave wave-shaped groove 309 is arranged on the inner wall of the upper shell 305 in a surrounding way, a concave annular groove 310 is arranged on the outer wall of the pressing block 306 in a surrounding way, the ball 302 is correspondingly arranged with the annular groove 310, the ball 302 is movably assembled between the wavy slot 309 and the annular slot 310, one end of the clamping member 303 is movably connected with the assembling post 308, two ends of the connecting rod 304 are respectively movably connected with the connecting seat 307 and the clamping member 303, the side wall of the upper housing 305 is provided with an opening 311 penetrating through the opening 311, the lower housing 201 is provided with a recessed clamping groove 202 corresponding to the opening 311 in a surrounding manner, when the pressing block 306 is pressed to enable the first spring 301 to be in a compressed state, the other end of the clamping member 303 swings towards the opening 311, at least part of the clamping member 303 is exposed out of the opening 311 and clamped in the clamping groove 202, when the pressing block 306 is pressed to enable the first spring 301 to be in a reset state, the clamping member 303 swings away from the opening 311 and enters the upper housing 305, the rotary shaft assembly which is detachably assembled with the lower shell is arranged, so that the upper page piece is detachably assembled in the lower shell of the lower page piece through the rotary shaft assembly, and the clamping piece is arranged, when an operator presses the pressing block, the ball moves in the wavy groove, and the axial movement of the pressing block is converted into the circular movement of the pressing block; when upper hinge and lower hinge assembly, press briquetting connecting rod promotion joint piece swing and open, until the lug exposes in the opening, the joint is in the joint groove, promote the steadiness that pivot subassembly and lower casing are connected, restrict the axial degree of freedom of pivot subassembly, reduce the axial displacement volume of pivot subassembly cartridge in the casing, promote the stability of assembling of upper hinge and lower hinge, reduce the fit clearance, the off-set shaking volume when reducing upper hinge rotation, reduce the risk that upper hinge and lower hinge break away from in the transportation or take the in-process, the security and the reliability when lifting to use transportation or taking the hinge, when upper hinge and lower hinge are dismantled, press the briquetting, connecting rod pulling branch is drawn in to the connecting seat direction, make pivot subassembly and lower casing separation, promote the convenience that pivot subassembly and lower casing were dismantled, thereby promote the convenience of upper hinge and lower hinge dismouting, reduce the dismouting degree of difficulty, promote user's use experience.

Wherein the wavy groove 309 comprises a plurality of groups of first groove portions 3091 arranged in an inverted V shape and a plurality of groups of second groove portions 3092 arranged in an inverted V shape, the vertical distance between the top of the first groove portion 3091 and the bottom of the first groove portion 3091 is smaller than the vertical distance between the top of the second groove portion 3092 and the bottom of the second groove portion 3092, the first groove portion 3091 and the second groove portion 3092 are sequentially communicated and annularly arranged on the inner wall of the upper shell 305, when an operator presses the pressing block, the balls move in the wavy groove to convert the axial movement of the pressing block into the circular movement of the pressing block, so that the balls sequentially move between the first groove portion and the second groove portion, and when the pressing block is pressed, the balls move to enable the pressing block to be in two height states due to the difference of the heights of the first groove portion and the second groove portion, when the upper hinge and the lower hinge are assembled, the pressing block is pressed to enable the balls to be positioned at the first groove part, under the action of no external force, the pressing block is acted by the first spring to enable the balls to be positioned at the top of the first groove part, meanwhile, the connecting rod pushes the clamping piece to swing and open until the clamping piece is exposed out of the opening part and is clamped in the clamping groove, the connection stability of the rotating shaft assembly and the lower shell is improved, the axial freedom degree of the rotating shaft assembly is limited, the axial displacement of the rotating shaft assembly inserted in the shell is reduced, the assembly stability of the upper hinge and the lower hinge is improved, the assembly gap is reduced, the deflection shaking quantity during rotation of the upper hinge is reduced, the risk of detachment of the upper hinge and the lower hinge during transportation or taking is reduced, the safety and the reliability during transportation or taking are improved, when the upper hinge and the lower hinge are disassembled, the pressing block enables the balls to be positioned at the second groove part, under the effect that does not have the external force, because the briquetting receives the effort of first spring for the ball is in at the top of second recess portion, simultaneously, connecting rod pulling joint spare is drawn in toward the connecting seat direction, until the joint spare remove to the epitheca in, make pivot subassembly and lower casing separation, promote the convenience that pivot subassembly and lower casing were dismantled, thereby promote the convenience of hinge and lower hinge dismouting, reduce the dismouting degree of difficulty, promote user's use experience, can judge through the difference in height of briquetting that the joint piece is in open or shrink state, promote the practicality of dismantling the hinge.

The clamping piece 303 comprises a protruding block 3031, a supporting rod 3032 and a second spring 3033, the supporting rod 3032 is movably connected with the assembly column 308, two ends of the second spring 3033 are respectively connected with the protruding block 3031 and the supporting rod 3032, the protruding block 3031 moves towards the supporting rod 3032 in a telescopic mode, the connecting rod is movably connected with the supporting rod, the acting force of axial movement of the pressing block is transmitted to the supporting rod, the protruding block is pushed or pulled to move, the clamping piece is unfolded and folded, the detachable assembly of the upper hinge and the lower hinge is achieved, the second spring is arranged, the protruding block can stretch and retract, when the upper hinge and the lower hinge are assembled, the protruding block is pressed against the inner wall of the clamping groove under the acting force of the second spring, the assembling stability of the rotating shaft assembly and the lower hinge is improved, the assembling stability of the upper hinge and the lower hinge is further improved, the assembling gap of the upper hinge and the lower hinge is reduced, the shaking amount after the upper hinge and the lower hinge are assembled is reduced, the protruding block compresses the second spring to facilitate the movement of the clamping piece to the upper shell and the convenience of detachment is improved.

Wherein, briquetting 306 is provided with certainly connecting seat 307 orientation briquetting 306 sunken depressed part 3071, connecting seat 307 rotatable assembly is in the depressed part 3071 promotes the reliability of connecting seat and briquetting rotatable assembly, through being equipped with depressed part and connecting seat assembly, reduces the influence to the connecting seat when briquetting circular motion, promotes structural design's reliability.

Wherein, the upper housing 305 is provided with an arc portion 312, the arc portion 312 is disposed from the inner wall of the upper housing 305 towards the recess that the opening portion 311 is gradually inclined, at least a portion of the arc portion 312 is disposed in communication with the opening portion 311, and when the clamping member is opened and closed, the protruding block moves along the inner wall of the arc portion, so as to promote the smoothness of the movement of the protruding block, thereby promoting the smoothness of the movement of the clamping member from the upper housing to the opening portion and from the opening portion to the upper housing.

Wherein, the connecting seat 307 is provided with the corresponding assembly hole 314 that sets up of assembly post 308, the assembly hole 314 certainly assembly post 308 is towards the sunken setting of connecting seat 307, when first spring 301 is in the state that resets, at least part the inner wall suit of assembly hole 314 is in the outer wall of assembly post 308 promotes the reliability of connecting seat and assembly post assembly, reduces the risk that first spring breaks away from with connecting piece or assembly post, promotes structural design's reliability and practicality, promotes pivot subassembly reliability and stability of use.

The ball bearing device further comprises a limiting block 316, the upper shell 305 is provided with a ball loading groove 315 communicated with the first groove part 3091 from the upper direction, the limiting block 316 is detachably assembled in the ball loading groove 315, the bottom of the limiting block 316 is correspondingly arranged with the first groove part 3091, balls are inserted into the ball rotating groove after being loaded into the wavy groove from the inner wall of the ball loading groove, the risk that the balls slide out of the wavy groove is reduced, the difficulty of assembling the balls is reduced, and the rationality of structural design is improved.

The assembly column comprises a ball head 3034 and a ball head seat 3035, wherein the support rod 3032 is connected with the ball head 3034, the assembly column 308 is connected with the ball head seat 3035, the movable connection mode of the support rod 3032 and the assembly column 308 is universal ball head connection, and the reasonability of movable connection of the support rod and the assembly column is improved.

The connecting seat 3035 is provided with a first connecting portion 3042 which is concave and is U-shaped, one end of the connecting rod 304 is provided with a first connecting hole 3043 which is arranged in a penetrating manner, the first connecting pin 3041 penetrates through the first connecting hole 3043, two ends of the first connecting pin 3041 are respectively connected with the first connecting portion 3042, the rationality of movable connection between the supporting rod and the assembling column is improved, and the assembling and manufacturing difficulty is reduced.

The second connecting pin 3045 is further included, the supporting rod 3032 is provided with a second connecting portion 3045 which is concave and is U-shaped, the other end of the connecting rod 304 is provided with a second connecting hole 3046 which is arranged in a penetrating mode, the second connecting pin 3044 penetrates through the second connecting hole 3046, two ends of the second connecting pin 3044 are respectively connected with the second connecting portion 3045, the reasonability of movable connection between the supporting rod and the assembling column is improved, and assembling and manufacturing difficulty is reduced.

The width of the opening 311 is greater than or equal to the width of the clamping piece 303, the length of the opening 311 is greater than or equal to the length of the clamping piece 303, the rationality of structural design is improved, the hinge installed in advance clamps the clamping piece in the clamping groove through the pressing block, the axial deviation between the upper page piece and the lower page piece is reduced, the assembly difficulty of the hinge installed in the future is reduced, the assembly efficiency is improved, and the closeness of closing after the hinge is assembled by the door leaf is improved.

Example 2: as shown in fig. 1-12, including all the features of a detachable hinge in embodiment 1, the upper housing 305 is provided with a plurality of groups of opening portions 311, and a plurality of groups of clamping members 303, a plurality of groups of connecting rods 304 and a plurality of groups of arc-shaped grooves 310 are provided corresponding to the opening portions 311, so that the stability of clamping is improved, the axial displacement of the upper hinge and the lower hinge after assembly is reduced, and the assembly gap is reduced.

While the utility model has been described with reference to certain preferred embodiments, it will be understood by those skilled in the art that various changes and substitutions of equivalents may be made and equivalents will be apparent to those skilled in the art without departing from the scope of the utility model. Therefore, the protection scope of the utility model is subject to the protection scope of the claims.

Claims (10)

1. The utility model provides a detachable hinge, includes upper leaf, lower leaf, with lower casing that lower leaf is connected and has the diapire, its characterized in that: the rotary shaft assembly comprises a first spring, balls, clamping pieces, a connecting rod, an upper shell, a pressing block and a connecting seat, wherein the upper shell is connected with an upper page sheet and is provided with a bottom wall, the pressing block is movably assembled in the upper shell, the connecting seat is rotatably assembled with the pressing block, the bottom wall of the upper shell is provided with a convex assembling column, two ends of the first spring are respectively connected with the connecting seat and the assembling column, a concave wavy groove is formed in an inner wall ring of the upper shell, a concave annular groove is formed in an outer wall ring of the pressing block, the balls are correspondingly arranged with the annular groove, the balls are movably assembled between the wavy groove and the annular groove, one end of the clamping piece is movably connected with the assembling column, two ends of the connecting rod are respectively movably connected with the connecting seat and the clamping pieces, the side wall of the upper shell is provided with an opening part which penetrates through the upper shell, a concave clamping groove is formed in the opening ring corresponding to the opening part, when the pressing block is pressed to enable the first spring to be in a compressed state, the clamping piece is arranged at least in the opening part of the pressing block, and the pressing piece is far away from the opening part of the pressing piece when the pressing piece is in a swinging state, and the opening part of the pressing piece is far from the opening part of the pressing piece.

2. A removable hinge as claimed in claim 1, wherein: the wave-shaped groove comprises a plurality of groups of first groove parts which are arranged and are in an inverted V shape, a plurality of groups of second groove parts which are arranged and are in an inverted V shape, and the vertical distance between the top of the first groove part and the bottom of the first groove part is smaller than the vertical distance between the top of the second groove part and the bottom of the second groove part, and the first groove part and the second groove part are communicated with each other in sequence and are annularly arranged on the inner wall of the upper shell.

3. A removable hinge as claimed in claim 1, wherein: the clamping piece comprises a protruding block, a supporting rod and a second spring, the supporting rod is movably connected with the assembly column, two ends of the second spring are respectively connected with the protruding block and the supporting rod, and the protruding block moves towards the supporting rod in a telescopic mode.

4. A removable hinge as claimed in claim 1, wherein: the briquetting is provided with from the connecting seat towards the sunken depressed part of briquetting, the connecting seat rotatable assembly is in the depressed part.

5. A removable hinge as claimed in claim 1, wherein: the upper shell is provided with an arc-shaped part, the arc-shaped part is arranged from the inner wall of the upper shell towards the opening part in a gradually inclined concave manner, and at least part of the arc-shaped part is communicated with the opening part.

6. A removable hinge as claimed in claim 1, wherein: the connecting seat is provided with an assembly hole which is arranged corresponding to the assembly column, the assembly hole is arranged from the assembly column towards the connecting seat in a recessed mode, and when the first spring is in a reset state, at least part of the inner wall of the assembly hole is sleeved on the outer wall of the assembly column.

7. A removable hinge as claimed in claim 2, wherein: the ball mounting device comprises a first groove part and a second groove part, and is characterized by further comprising a limiting block, wherein the upper shell is provided with a ball mounting groove which is communicated from the upper direction to the first groove part, the limiting block is detachably assembled in the ball mounting groove, and the bottom of the limiting block is correspondingly arranged with the first groove part.

8. A removable hinge as claimed in claim 3, wherein: the assembly column is connected with the ball head seat, and the movable connection mode of the support rod and the assembly column is universal ball head connection.

9. A removable hinge as claimed in claim 3, wherein: still include first connecting pin, the connecting seat setting has sunken setting and is the first connecting portion of "U" shape, the one end of connecting rod has the first connecting hole that runs through the setting, first connecting pin passes first connecting hole just the both ends of first connecting pin respectively with first connecting portion are connected.

10. The detachable hinge of claim 9, wherein: the novel connecting rod is characterized by further comprising a second connecting pin, wherein the supporting rod is provided with a second connecting part which is concavely arranged and is U-shaped, the other end of the connecting rod is provided with a second connecting hole which is penetrated, and the second connecting pin penetrates through the second connecting hole and the two ends of the first connecting pin are respectively connected with the second connecting part.

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