CN210600772U - Display support with quick assembly disassembly structure - Google Patents

Abstract

The utility model relates to a display bracket with a quick assembly disassembly structure, which comprises a cantilever, a connector and a mounting plate, wherein one end of the cantilever is provided with a rotating shaft seat, the rotating shaft seat is provided with a shaft hole, the connector is provided with a rotating shaft, the connector is pressed on the connector, the rotating shaft is rotatably inserted into the shaft hole, the lower end of the rotating shaft is connected with an expansion piece and an adjusting mechanism, the expansion piece is positioned outside the shaft hole, the adjusting mechanism pushes the expansion piece outwards and presses the expansion piece on the rotating shaft seat at the lower end of the shaft hole; when the adjusting mechanism is adjusted to enable the expansion piece to retract inwards to the initial state, the compression state between the expansion piece and the rotating shaft seat is relieved, and in the process that the rotating shaft is inserted into the shaft hole or is separated from the shaft hole, the adjusting mechanism and the expansion piece can penetrate through the shaft hole from top to bottom or penetrate through the shaft hole from bottom to top. The utility model has the advantages that: the display bracket and the display can be disassembled and assembled more conveniently, and a user can finish the display fixing operation independently.

Description

Display support with quick assembly disassembly structure

Technical Field

The utility model relates to an apparatus support technical field, especially a display support with quick assembly disassembly structure.

Background

The display is one of the necessary devices in people's daily life, and it is usually placed on the desktop through the fixing base or is hung through the display support. The existing display support generally comprises a fixing clamp seat, a cantilever, a connector and a mounting plate, wherein the fixing clamp seat is used for being fixed on a desk, the mounting plate is connected to the connector and used for being connected with a display, one end of the cantilever is rotatably connected with the fixing clamp seat, and the other end of the cantilever is rotatably connected with the connector. When the display bracket is used, a user generally fixes the fixing clamp seat on a desk, then lifts the display to enable the mounting plate to be attached to the mounting part on the back of the display, and finally locks and fixes the mounting plate and the display by adopting a plurality of screws. In the whole display fixing process, a user needs to lift the display all the time until all screws are assembled, so that a large amount of assembling time is consumed, and great labor is also consumed, and the user cannot generally finish the display fixing operation independently.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a display support with quick assembly disassembly structure, make the dismouting between display support and the display can become more labour saving and time saving, the user can accomplish display fixed operation alone.

In order to solve the technical problem, the utility model provides a rotary joint of following structure: the expansion piece is positioned outside the shaft hole, the expansion piece is outwards spread by the adjusting mechanism, and the expansion piece is tightly pressed on the rotating shaft seat at the lower end of the shaft hole; when the adjusting mechanism is adjusted to enable the expansion piece to retract inwards to the initial state, the compression state between the expansion piece and the rotating shaft seat is relieved, and in the process that the rotating shaft is inserted into the shaft hole or is separated from the shaft hole, the adjusting mechanism and the expansion piece can penetrate through the shaft hole from top to bottom or penetrate through the shaft hole from bottom to top.

After the structure is adopted, compared with the prior art, the utility model has the advantages of display support of quick assembly disassembly structure has: when the display is installed, a user can firstly detach the connector from the rotating shaft seat, then horizontally place the display to be fixed on a table with the back facing upwards, then the mounting plate can be placed on the back of the display and fixed together by screws, the rest part of the display bracket can be fixed on the table in advance through a self-contained fixing clamping seat, after the operation is finished, a user only needs to retract the expansion piece inwards to the initial state through the adjusting mechanism, then the display is lifted, the rotating shaft is inserted into the shaft hole, finally the expansion piece is spread outwards by the adjusting mechanism, the expansion piece is pressed on the rotating shaft seat at the lower end of the shaft hole, at the moment, when a user only needs to exert a slight force, the connecting head can overcome the friction force between the expansion piece and the rotating shaft seat to rotate relative to the rotating shaft seat, namely, the expansion piece and the rotating shaft seat are matched to generate a damping effect; when the display is required to be detached from the display support, a user can firstly retract the expansion piece inwards to the initial state through the adjusting mechanism, then lift the display upwards, enable the connector to be detached from the rotating shaft seat, then flatly place the display on the table with the back upwards, and finally detach the mounting plate from the display. The above steps of assembling and disassembling the monitor and the monitor stand can be known as follows: 1. because the weight of the connector and the mounting plate is light, and a user does not need to apply force to the display in the process of assembling and disassembling the connector and the mounting plate, the connection between the display and the mounting plate is very easy and convenient, and time and labor are saved; 2. under the matching action of the rotating shaft and the shaft hole and the supporting action of the rotating shaft seat on the connector, the display can be stably fixed on the display bracket, so that a user does not need to lift the display for a long time in the process of dismounting and mounting the connector and the rotating shaft seat, and the fixing operation of the display is further easier, more convenient, time-saving and labor-saving; 3. in the dismouting in-process between connector and pivot seat, adjustment mechanism and inflation piece are connected all the time on the connector, need not to get in addition and put, consequently further make the fixed operation of display become more light, convenient labour saving and time saving again laborsaving. To sum up, the utility model discloses display support with quick assembly disassembly structure is convenient to use not only, and the dismouting between its and the display is light convenient very moreover, saves time and laborsaving, makes the user can accomplish alone to display fixed operation.

The utility model relates to a display bracket with quick assembly disassembly structure, wherein, the adjusting mechanism comprises a bolt and a pressing block, the pressing block is of an annular structure, the expansion piece is of an open and non-closed annular structure, the middle part of the lower end of the rotating shaft is provided with a guide boss, the pressing block is sleeved on the guide boss in a sliding way up and down, the lower end of the guide boss is provided with a vertical threaded hole, the screw rod part of the bolt is in threaded connection with the threaded hole, the head part of the bolt is pressed at the lower end of the pressing block, the outer side of the upper end of the pressing block is provided with an annular male end socket, the circumferential side wall of the male end socket is provided with a first conical surface which gradually inclines inwards from bottom to top, the expansion piece is sleeved at the male end socket at the upper end of the pressing block, the pressing block pushes the expansion piece outwards through the first conical surface, the upper end, the lower end of the expansion piece is pressed on the bottom surface of the male end; when the adjusting bolt moves downwards, the expansion piece can gradually retract inwards to the initial state along with the downward sliding of the pressing block.

The matching structure of the adjusting mechanism and the expansion piece is simple in structure, convenient and simple to operate, time-saving and labor-saving, and convenient for axial fixation or separation between the connector and the rotating shaft seat, and can effectively reduce or even avoid the expansion piece to generate axial movement when the expansion piece is adjusted by the adjusting mechanism to be flexible, so that the swing of the expansion piece is greatly reduced, the expansion piece can be more conveniently and smoothly passed through the shaft hole, and finally the disassembly and assembly between the connector and the rotating shaft seat are facilitated.

Display support with quick assembly disassembly structure, wherein, be equipped with annular fixed boss under the pivot in the direction boss outside on the terminal surface, the inflation piece cover is outside fixed boss, and when the inflation piece withdrawed to initial condition, the internal perisporium of inflation piece compressed tightly on the circumference lateral wall of fixed boss.

Above-mentioned structure makes the inflation piece effectively fix in the pivot when initial condition to avoid the inflation piece to produce radially rocking, the inflation piece of being more convenient for passes the shaft hole smoothly, finally makes things convenient for the dismouting between connector and the pivot seat.

Display support with quick assembly disassembly structure, wherein, briquetting upper end equipartition circumferentially has a plurality of tooth's sockets, the pivot lower extreme circumference equipartition in the direction boss outside has a plurality of dogtooths, every dogtooth all is located one of them tooth's socket.

The synchronous rotation of briquetting and pivot can be realized to above-mentioned structure to effectively avoid the relative rotation between inflation piece and briquetting and the pivot, thereby effectively guaranteed the fixed stability of inflation piece, and effectively reduced the wearing and tearing of inflation piece.

Display support with quick assembly disassembly structure, wherein, be equipped with the holding tank on the pivot seat of shaft hole lower extreme department, bolt, briquetting and inflation piece all are located in the holding tank.

Above-mentioned structure can make bolt, briquetting and inflation piece hide in the holding tank, not only can make the display support more pleasing to the eye like this, but also can play the guard action to bolt, briquetting and inflation piece, and the condition of avoiding the user mistake to touch takes place, guarantees the fixed stability between pivot and the pivot seat.

Display support with quick assembly disassembly structure, wherein, the internal perisporium lower extreme of briquetting is equipped with the third conical surface that from the top down leaned out gradually, is equipped with the fourth conical surface of from the bottom up gradually leanin on the periphery wall of bolt head, the third conical surface compresses tightly on the fourth conical surface.

The structure not only can effectively reduce the axial length of the adjusting mechanism and enable the structure of the adjusting mechanism to be more compact, but also can effectively improve the coaxiality between the pressing block and the guide boss and enable the pressing block to slide up and down more smoothly.

Display support with quick assembly disassembly structure, wherein, shaft hole and pivot all are the round platform shape of leanin gradually from the top down.

The structure can be more convenient for connection or separation between the shaft hole and the rotating shaft, so that the connector and the rotating shaft seat can be more easily and conveniently disassembled and assembled, and time and labor are saved.

Display support with quick assembly disassembly structure, wherein, still be equipped with the axle sleeve between shaft hole and the pivot, the bushing connection is in the shaft hole, the pivot is rotatable insert in the axle sleeve, when adjusting mechanism makes the inflation piece inwards retract to initial condition, insert in the shaft hole or from the in-process that breaks away from in the shaft hole in the pivot, adjusting mechanism and inflation piece homoenergetic pass the axle sleeve from the top down or from the axle sleeve that passes from the bottom up.

The shaft sleeve is arranged to facilitate the mutual rotation between the shaft hole and the rotating shaft, so that the angle adjustment of the display is easier and more convenient, and time and labor are saved.

Display support with quick assembly disassembly structure, wherein, the axle sleeve upper end is equipped with the last hem that turns over to the book of turning over, goes up the hem lower extreme and compresses tightly on the pivot seat of shaft hole upper end department, the connector compresses tightly at last hem upper end department.

The structure ensures that the shaft sleeve is convenient to fix and the assembly between the connector and the rotating shaft seat is convenient.

Display support with quick assembly disassembly structure, wherein, the axle sleeve upper end is equipped with the lower hem that turns over to the book of turning over, lower hem upper end compresses tightly on the pivot seat of shaft hole lower extreme department, is equipped with the breach that the axial runs through whole axle sleeve on the axle sleeve, the upper end in the inflation piece outside compresses tightly the lower extreme department at hem down.

The structure not only ensures that the shaft sleeve is convenient and reliable to fix and is not easy to fall off, and the connector and the rotating shaft seat are convenient to disassemble and assemble, but also can effectively reduce the mutual abrasion between the expansion piece and the rotating shaft seat.

Display support with quick assembly disassembly structure, wherein, the inboard of lower hem lower extreme is equipped with the second circular conical surface of from the bottom up gradually leanin, the upper end in the inflation piece outside compresses tightly on the second circular conical surface.

Above-mentioned structure not only can make the extension of inflation piece more smoothly and convenient to the inflation piece of being more convenient for and the cooperation that compresses tightly of axle sleeve can effectively reduce the area of contact between inflation piece and the axle sleeve moreover, and then when effectively reducing the mutual wearing and tearing between inflation piece and the axle sleeve, the rotation connector that can also relax makes the angle modulation of display more laborsaving.

Display support with quick assembly disassembly structure, wherein, be equipped with vertical first spacing lug on the internal perisporium of pivot, first spacing lug is located the breach.

The structure can avoid relative rotation between the shaft sleeve and the rotating shaft seat, thereby reducing the abrasion of the shaft sleeve.

Display support with quick assembly disassembly structure, wherein, two lateral wall lower parts of breach are equipped with a pair of spacing, the inner wall of spacing is a whole with the internal perisporium of axle sleeve, and the thickness from the bottom up of spacing reduces gradually, first spacing lug begins downwardly extending from the internal perisporium upper end of pivot, and the protruding thickness from the top down of first spacing lug reduces gradually, still be equipped with the spacing lug of second on the internal perisporium of pivot, the spacing lug of second begins upwards to extend from the internal perisporium lower extreme of pivot, and the upper portion of the spacing lug of second is located the inner wall of first spacing lug, the protruding thickness from the bottom up of the spacing lug of second reduces gradually, the spacing lug of second is located the breach between a pair of spacing, the inner wall of first spacing lug pastes with the outer wall of corresponding spacing mutually.

Above-mentioned structure has guaranteed that the axle sleeve has sufficient deformation volume, makes the axle sleeve fix smoothly on the basis on the pivot seat, not only can improve the limiting displacement of pivot seat to the axle sleeve greatly, but also can effectively increase the area of contact between axle sleeve periphery wall and the interior perisporium of shaft hole, makes the atress of axle sleeve more even to effectively reduce the damage and the wearing and tearing of axle sleeve.

Display support with quick assembly disassembly structure, wherein, the connector lower extreme department in the pivot outside is equipped with convex spacing groove, pivot seat upper end is equipped with the spacing lug of third, the spacing lug of third movably is located the spacing inslot.

The structure effectively avoids the connector from rotating 360 degrees relative to the rotating shaft seat, thereby avoiding the occurrence of the winding condition of various wires connected with the display.

Drawings

Fig. 1 is a schematic view of a partial three-dimensional structure of a display stand with a quick-assembly-disassembly structure according to the present invention;

FIG. 2 is a half-sectional view of the display stand with the quick-release structure of the present invention;

FIG. 3 is a partial exploded view of the display stand with the quick-release structure of the present invention;

FIG. 4 is a schematic view of the three-dimensional structure of the shaft sleeve in the display stand with the quick-release structure according to the present invention;

fig. 5 is a schematic view of the three-dimensional structure of the rotating shaft seat in the display stand with the quick-assembly-disassembly structure of the present invention.

Description of reference numerals: 1. a cantilever; 2. a connector; 3. mounting a plate; 4. a rotating shaft seat; 5. a shaft hole; 6. a rotating shaft; 7. an expansion member; 8. a bolt; 9. briquetting; 10. an opening; 11. a guide boss; 12. a threaded hole; 13. a male end; 14. a first conical surface; 15. fixing the boss; 16. a tooth socket; 17. a convex tooth; 18. accommodating grooves; 19. a third conical surface; 20. a fourth conical surface; 21. a shaft sleeve; 22. folding the edges; 23. folding the lower edge; 24. a notch; 25. a second conical surface; 26. a first limit bump; 27. a limiting strip; 28. a second limit bump; 29. a limiting groove; 30. and a third limiting bump.

Detailed Description

The display stand with the quick-release structure according to the present invention will be described in detail with reference to the accompanying drawings and the following detailed description.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "inner", "outer", and the like indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the mechanism or member referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the term "connected" is to be interpreted broadly, for example, as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 5, the display bracket with a quick-assembly-disassembly structure of the present invention includes a cantilever 1, a connector 2 and a mounting plate 3, the mounting plate 3 is connected to the connector 2, one end of the cantilever 1 is provided with a rotating shaft seat 4, the rotating shaft seat 4 is provided with a vertically through shaft hole 5, the vertical direction is not particularly referred to as the vertical direction, when the axis of the shaft hole 5 has a small inclination angle with the vertical direction, such as 1 degree, 3 degrees, 5 degrees, etc., these are all within the meaning range of the vertical direction; the lower end of the connector 2 is provided with a rotating shaft 6, the connector 2 is tightly pressed on a rotating shaft seat 4 at the upper end of a shaft hole 5, the rotating shaft 6 is rotatably inserted into the shaft hole 5, the lower end of the rotating shaft 6 is connected with an expansion piece 7 and an adjusting mechanism for controlling the expansion piece 7 to radially extend, the expansion piece 7 is positioned outside the shaft hole 5, the adjusting mechanism outwards expands the expansion piece 7 and tightly presses the expansion piece 7 on the rotating shaft seat 4 at the lower end of the shaft hole 5; when the expansion piece 7 is retracted inwards to the initial state by adjusting the adjusting mechanism, the compression state between the expansion piece 7 and the rotating shaft seat 4 is released, and in the process that the rotating shaft 6 is inserted into the shaft hole 5 or is separated from the shaft hole 5, the adjusting mechanism and the expansion piece 7 can penetrate through the shaft hole 5 from top to bottom or penetrate through the shaft hole 5 from bottom to top; in the present invention, the inward retraction of the expansion member 7 to the initial state means the minimum state that can be achieved when the expansion member 7 is connected to the connector 2.

The adjusting mechanism comprises a bolt 8 and a pressing block 9, the pressing block 9 is of an annular structure, the expansion piece 7 is of an unclosed annular structure with an opening 10, a guide boss 11 is arranged in the middle of the lower end of the rotating shaft 6, the pressing block 9 is sleeved on the guide boss 11 in a vertically sliding manner, a vertical threaded hole 12 is formed in the lower end of the guide boss 11, a screw rod part of the bolt 8 is in threaded connection with the threaded hole 12, the head part of the bolt 8 is tightly pressed at the lower end of the pressing block 9, an annular male spigot 13 is arranged on the outer side of the upper end of the pressing block 9, a first conical surface 14 which gradually inclines inwards from bottom to top is arranged on the circumferential side wall of the male spigot 13, the whole circumferential side wall of the male spigot 13 in the utility model is a first conical surface 14, the expansion piece 7 is sleeved at the male spigot 13 at the upper end of the pressing block 9, the pressing block 9 outwards expands the expansion piece 7 through the first conical surface 14, the upper end of the inner side of the expansion piece 7 is pressed on the lower end surface of the rotating shaft 6, and the lower end of the expansion piece 7 is pressed on the bottom surface of the convex spigot 13; when the adjusting bolt 8 moves it downward, the expansion member 7 can be gradually retracted inward to the initial state as the pressing piece 9 slides downward.

In order to facilitate the smooth sliding of the expansion element 7 on the first conical surface 14, the lower end of the expansion element 7 is rounded.

An annular fixing boss 15 is arranged on the lower end face of the rotating shaft 6 outside the guide boss 11, the expansion piece 7 is sleeved outside the fixing boss 15, and when the expansion piece 7 retracts to the initial state, the inner peripheral wall of the expansion piece 7 is pressed on the peripheral side wall of the fixing boss 15.

A plurality of tooth sockets 16 are circumferentially and uniformly distributed at the upper end of the pressing block 9, a plurality of convex teeth 17 are circumferentially and uniformly distributed at the lower end of the rotating shaft 6 outside the guide boss 11, and each convex tooth 17 is positioned in one of the tooth sockets 16; in the present invention, the teeth 17 are provided on the fixing bosses 15, and preferably, all the teeth 17 constitute the fixing bosses 15.

Be equipped with holding tank 18 on the pivot seat 4 of shaft hole 5 lower extreme department, bolt 8, briquetting 9 and inflation piece 7 all are located in holding tank 18, and the upper end in the inflation piece 7 outside compresses tightly at the holding tank 18 top of shaft hole 5 lower extreme department this moment.

The lower end of the inner peripheral wall of the pressing block 9 is provided with a third conical surface 19 which gradually inclines outwards from top to bottom, the outer peripheral wall of the head of the bolt 8 is provided with a fourth conical surface 20 which gradually inclines inwards from bottom to top, and the third conical surface 19 is tightly pressed on the fourth conical surface 20.

The shaft hole 5 and the rotating shaft 6 are both in a circular truncated cone shape which is gradually inclined inwards from top to bottom.

Still be equipped with axle sleeve 21 between shaft hole 5 and the pivot, axle sleeve 21 is connected in shaft hole 5, and pivot 6 is rotatable inserts in axle sleeve 21, and when adjusting mechanism made the inflation piece 7 inwards retract to initial condition, in the process that pivot 6 inserted in shaft hole 5 or broke away from in the shaft hole 5, adjustment mechanism and inflation piece 7 all can pass axle sleeve 21 from the top down or pass axle sleeve 21 from the bottom up.

The upper end of the shaft sleeve 21 is provided with an upper folded edge 22 which is folded outwards, the lower end of the upper folded edge 22 is pressed on the rotating shaft seat 4 at the upper end of the shaft hole 5, and the connector 2 is pressed at the upper end of the upper folded edge 22.

The upper end of the shaft sleeve 21 is provided with a lower folded edge 23 which is folded outwards, the upper end of the lower folded edge 23 is pressed on the rotating shaft seat 4 at the lower end of the shaft hole 5, the shaft sleeve 21 is provided with a notch 24 which axially penetrates through the whole shaft sleeve 21, and the upper end of the outer side of the expansion piece 7 is pressed at the lower end of the lower folded edge 23.

The inner side of the lower end of the lower folded edge 23 is provided with a second conical surface 25 which gradually inclines inwards from bottom to top, and the upper end of the outer side of the expansion piece 7 is pressed on the second conical surface 25.

In order to facilitate the smooth sliding of the expansion element 7 on the second conical surface 25, the upper end of the expansion element 7 on the outer side is rounded.

The inner peripheral wall of the rotating shaft 6 is provided with a vertical first limiting convex block 26, and the first limiting convex block 26 is positioned in the gap 24.

A pair of limiting strips 27 are arranged at the lower parts of two side walls of the gap 24, the inner walls of the limiting strips 27 and the inner peripheral wall of the shaft sleeve 21 are integrated, the thickness of the limiting strips 27 is gradually reduced from bottom to top, the first limiting bump 26 extends downwards from the upper end of the inner peripheral wall of the rotating shaft 6, the protruding thickness of the first limiting bump 26 is gradually reduced from top to bottom, a second limiting bump 28 is also arranged on the inner peripheral wall of the rotating shaft 6, the second limiting bump 28 extends upwards from the lower end of the inner peripheral wall of the rotating shaft 6, the upper part of the second limiting bump 28 is positioned on the inner wall of the first limiting bump 26, the protruding thickness of the second limiting bump 28 is gradually reduced from bottom to top, the second limiting bump 28 is positioned in the gap 24 between the pair of limiting strips 27, and the inner wall of the first limiting bump 26 is attached to the outer wall of the corresponding limiting strip 27; the thickness of the spacing strip 27 in the present invention refers to the radial width of the spacing strip 27.

The lower end of the connector 2 outside the rotating shaft 6 is provided with a circular arc-shaped limiting groove 29, the upper end of the rotating shaft seat 4 is provided with a third limiting bump 30, and the third limiting bump 30 is movably positioned in the limiting groove 29.

The arc of the retaining groove 29 may be set at 90-270 degrees, preferably 180 degrees.

The utility model provides a third limit bump 30 is formed by the part outside first limit bump 26 upwards extending shaft hole 5, and the setting makes the manufacturing of pivot seat 4 simpler like this.

The utility model provides an inflation piece 7, briquetting 9 and direction boss 11 all are ring shape, and bolt 8, briquetting 9, inflation piece 7, spacing groove 29, axle sleeve 21, pivot 6, fixed boss 15, direction boss 11 and the 5 coaxial settings in shaft hole, the external diameter of briquetting 9 are less than the minimum internal diameter of axle sleeve 21, and when inflation piece 7 inwards retracted to initial condition, the external diameter of inflation piece 7 is less than the minimum internal diameter of axle sleeve 21.

The above embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by those skilled in the art without departing from the design spirit of the present invention should fall within the protection scope defined by the claims of the present invention.

Claims (14)

1. The utility model provides a display support with quick assembly disassembly structure, includes cantilever (1), connector (2) and mounting panel (3), its characterized in that is connected on connector (2) in mounting panel (3): the cantilever is characterized in that a rotating shaft seat (4) is arranged at one end of the cantilever (1), a vertically through shaft hole (5) is formed in the rotating shaft seat (4), a rotating shaft (6) is arranged at the lower end of the connector (2), the connector (2) is tightly pressed on the rotating shaft seat (4) at the upper end of the shaft hole (5), the rotating shaft (6) is rotatably inserted into the shaft hole (5), an expansion piece (7) and an adjusting mechanism used for controlling the expansion piece (7) to radially extend and retract are connected to the lower end of the rotating shaft (6), the expansion piece (7) is positioned outside the shaft hole (5), the adjusting mechanism outwards supports the expansion piece (7), and the expansion piece (7) is tightly pressed on the rotating shaft seat (4) at the lower end of the shaft hole (5); when adjusting adjustment mechanism makes inflation piece (7) inwards retract to initial condition, release the state of compressing tightly between inflation piece (7) and pivot seat (4), and in the in-process that pivot (6) inserted in shaft hole (5) or break away from in shaft hole (5), adjustment mechanism and inflation piece (7) all can pass shaft hole (5) from the top down or pass shaft hole (5) from the bottom up.

2. The stand with quick release structure of claim 1, wherein: the adjusting mechanism comprises a bolt (8) and a pressing block (9), the pressing block (9) is of an annular structure, the expansion piece (7) is of a non-closed annular structure with an opening (10), a guide boss (11) is arranged in the middle of the lower end of the rotating shaft (6), the pressing block (9) is sleeved on the guide boss (11) in a sliding mode from top to bottom, a vertical threaded hole (12) is formed in the lower end of the guide boss (11), the screw rod portion of the bolt (8) is in threaded connection with the threaded hole (12), the head portion of the bolt (8) is tightly pressed at the lower end of the pressing block (9), an annular male spigot (13) is arranged on the outer side of the upper end of the pressing block (9), a first conical surface (14) which gradually inclines inwards from bottom to top is arranged on the circumferential side wall of the male spigot (13), and the expansion piece (7) is sleeved at the male spigot (13) at the upper end of the, the pressing block (9) outwards props the expansion piece (7) through the first conical surface (14), so that the upper end of the outer side of the expansion piece (7) is pressed at the bottom of the rotating shaft seat (4), the upper end of the inner side of the expansion piece (7) is pressed on the lower end surface of the rotating shaft (6), and the lower end of the expansion piece (7) is pressed on the bottom surface of the male spigot (13); when the bolt (8) is adjusted to move downwards, the expansion piece (7) can gradually retract inwards to the initial state along with the downward sliding of the pressing piece (9).

3. The monitor stand with quick release structure of claim 2, wherein: the rotary shaft (6) lower end face outside the guide boss (11) is provided with an annular fixed boss (15), the expansion piece (7) is sleeved outside the fixed boss (15), and when the expansion piece (7) retracts to the initial state, the inner circumferential wall of the expansion piece (7) is pressed on the circumferential side wall of the fixed boss (15).

4. The monitor stand with quick release structure of claim 2, wherein: briquetting (9) upper end is the equipartition circumferentially has a plurality of tooth sockets (16), the pivot (6) lower extreme in direction boss (11) outside is the equipartition circumferentially has a plurality of dogtooths (17), every dogtooth (17) all are located one of them tooth socket (16).

5. The monitor stand with quick release structure of claim 2, wherein: be equipped with holding tank (18) on pivot seat (4) of shaft hole (5) lower extreme department, bolt (8), briquetting (9) and inflation piece (7) all are located in holding tank (18).

6. The monitor stand with quick release structure of claim 2, wherein: the utility model discloses a bolt, including briquetting (9), the internal perisporium lower extreme of briquetting (9) is equipped with from the top down and leans out gradually third conical surface (19), be equipped with on the periphery wall of bolt (8) head from the bottom up fourth conical surface (20) of leanin gradually, third conical surface (19) compress tightly on fourth conical surface (20).

7. The stand with quick release structure of claim 1, wherein: the shaft hole (5) and the rotating shaft (6) are both in a circular truncated cone shape which gradually inclines inwards from top to bottom.

8. The stand with quick-release structure for monitor of any one of claims 2-7, wherein: still be equipped with axle sleeve (21) between shaft hole (5) and the pivot, axle sleeve (21) are connected in shaft hole (5), what pivot (6) were rotatable inserts in axle sleeve (21), when adjusting adjustment mechanism makes inflation piece (7) inwards retract to initial condition in pivot (6) insert in shaft hole (5) or from the in-process that breaks away from in shaft hole (5), adjustment mechanism and inflation piece (7) all can pass axle sleeve (21) from the top down or pass axle sleeve (21) from the bottom up.

9. The monitor stand with quick release structure of claim 8, wherein: the upper end of the shaft sleeve (21) is provided with an upper folded edge (22) which is folded outwards, the lower end of the upper folded edge (22) is pressed on the rotating shaft seat (4) at the upper end of the shaft hole (5), and the connector (2) is pressed at the upper end of the upper folded edge (22).

10. The monitor stand with quick release structure of claim 9, wherein: the upper end of the shaft sleeve (21) is provided with a lower folded edge (23) which is folded outwards, the upper end of the lower folded edge (23) is pressed on the rotating shaft seat (4) at the lower end of the shaft hole (5), the shaft sleeve (21) is provided with a notch (24) which axially penetrates through the whole shaft sleeve (21), and the upper end of the outer side of the expansion piece (7) is pressed at the lower end of the lower folded edge (23).

11. The monitor stand with quick release structure of claim 10, wherein: the inner side of the lower end of the lower folded edge (23) is provided with a second conical surface (25) which gradually inclines inwards from bottom to top, and the upper end of the outer side of the expansion piece (7) is pressed on the second conical surface (25).

12. The stand with quick-release structure of claim 10 or 11, wherein: the inner peripheral wall of the rotating shaft (6) is provided with a vertical first limiting convex block (26), and the first limiting convex block (26) is positioned in the notch (24).

13. The monitor stand with quick release structure of claim 12, wherein: two lateral wall lower parts of breach (24) are equipped with a pair of spacing (27), the inner wall of spacing (27) is a whole with the internal perisporium of axle sleeve (21), just the thickness from the bottom up of spacing (27) reduces gradually, first spacing lug (26) begin downwardly extending from the internal perisporium upper end of pivot (6), just the protruding thickness from the top down of first spacing lug (26) reduces gradually, still be equipped with second spacing lug (28) on the internal perisporium of pivot (6), second spacing lug (28) begin upwardly extending from the internal perisporium lower extreme of pivot (6), just the upper portion of second spacing lug (28) is located the inner wall of first spacing lug (26), the protruding thickness from the bottom up of second spacing lug (28) reduces gradually, second spacing lug (28) is located breach (24) between a pair of spacing (27), the inner wall of the first limit bump (26) is attached to the outer wall of the corresponding limit strip (27).

14. The stand with quick-release structure for monitor of any one of claims 1 to 7, wherein: the rotary shaft is characterized in that a circular arc-shaped limiting groove (29) is formed in the lower end of the connector (2) on the outer side of the rotary shaft (6), a third limiting bump (30) is arranged at the upper end of the rotary shaft seat (4), and the third limiting bump (30) is movably located in the limiting groove (29).

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