CN220966878U - Can dismantle mounting structure of desktop board and seat thereof - Google Patents

Abstract

The utility model relates to a mounting structure of a detachable tabletop plate and a seat thereof, the mounting structure comprises a tabletop plate and a bracket, at least part of the tabletop plate is positioned at the inner side of the bracket, one of the inner side surface of the bracket and the outer peripheral surface of the tabletop plate is provided with a groove opening, the other one of the inner side surface of the bracket and the outer peripheral surface of the tabletop plate comprises a locking component, the locking component comprises a lock tongue, and the lock tongue is positioned outside the groove opening or at least part of the lock tongue is inserted into the groove opening, so that the tabletop plate and the bracket can be relatively separated or fixed. According to the utility model, one of the inner side surface of the support tube and the outer peripheral surface of the tabletop plate is provided with the groove opening, the other one of the inner side surface of the support tube and the outer peripheral surface of the tabletop plate is provided with the lock tongue, and the lock tongue is positioned outside the groove opening or at least part of the lock tongue is inserted into the groove opening, so that the tabletop plate and the support can be conveniently and rapidly separated or fixed relatively, and the tabletop plate can be conveniently moved.

Description

Can dismantle mounting structure of desktop board and seat thereof

Technical Field

The utility model belongs to the technical field of furniture, and particularly relates to an installation structure of a detachable tabletop plate and a seat thereof.

Background

The chair can be provided with the desktop board, and desktop board and chair leg joint, desktop board are used for placing article, when needs remove the desktop board, generally need remove whole chair, and the operation is comparatively inconvenient.

Disclosure of utility model

In order to solve the above-mentioned problems, a first object of the present utility model is to provide a detachable table top mounting structure, which facilitates the movement of the table top. A second object of the present utility model is to provide a seat.

In order to achieve the first object of the utility model, the present utility model adopts the following technical scheme:

The utility model provides a mounting structure of detachable desktop board, includes desktop board and support, at least part of desktop board is located the inboard of support, the recess mouth has been seted up to one of them in the medial surface of support and the outer peripheral face of desktop board, and wherein another one includes locking component, locking component includes the spring bolt, the spring bolt is located outside the recess mouth or at least part of spring bolt inserts and establishes in the recess mouth for desktop board and support can relative separation or fixed.

Further: the table top includes a battery assembly including a charging interface and/or a wireless charging section.

Further: the outer peripheral surface of the desktop plate is provided with a through hole, the lock tongue can rotate or slide relative to the desktop plate, and when the lock tongue is positioned in the desktop plate, the desktop plate and the bracket can be separated relatively; when at least part of the lock tongue penetrates through the through hole and is inserted into the groove opening, the table top plate and the bracket are relatively fixed.

Further: the locking assembly comprises a connecting piece and a lock knob, the lock is rotationally arranged at the bottom of the tabletop plate, at least part of the connecting piece is positioned in the tabletop plate, the lock tongue is fixedly connected with the connecting piece, the connecting piece is fixedly connected with the lock tongue or in transmission connection, and the lock knob can be rotated to enable the lock tongue to be inserted into or separated from the groove opening.

Further: the desktop board comprises an upper shell and a lower shell which are fixed with each other, wherein a mounting groove is formed in the lower shell, at least part of the connecting piece is located in the mounting groove, the locking assembly is provided with a limiting structure, the limiting structure comprises a spring and steel balls, the horizontal section of the mounting groove is polygonal, a gap is reserved between the connecting piece and the inner wall of the mounting groove, the spring transversely penetrates through the connecting piece, the steel balls are arranged at two ends of the spring, and the steel balls are propped against the inner wall of the mounting groove under the action of the spring to form a plurality of limiting positions.

Further: the locking assembly comprises at least two locking assemblies, wherein the locking bolts are in a step plate shape, the upper plate is provided with a matching hole, the top of the connecting piece is provided with a matching convex block, the upper plate is sleeved with the matching convex block, the connecting piece can drive the locking bolts to rotate, the matching convex block is provided with a threaded hole, the locking assemblies comprise screws A, parts of the screws A are located in the threaded holes, gaskets for preventing the locking bolts from falling are arranged between the screws A and the matching convex block, and the connecting piece and the locking bolts are fixedly connected through screws B.

Further: at least part of the support extends along the circumferential direction of the tabletop plate, at least part of the support is of a tubular structure, a convex edge is arranged on the side edge of the upper portion of the tabletop plate, and the convex edge is placed on the upper end face of the support.

Further: the support comprises a U-shaped part and a limiting part, wherein the limiting part is positioned at the inner side of the U-shaped part, the part of the table top plate is positioned at the inner side of the U-shaped part and the limiting part, and the U-shaped part and the limiting part can limit the movement or the movement amount of the table top plate in the horizontal direction.

Further: the U-shaped part is of a metal tubular structure, the limiting part is fixedly connected with the U-shaped part, the limiting part faces towards the tabletop plate in a protruding mode relative to the U-shaped part, the tabletop plate comprises a limiting groove, the limiting groove is formed in the outer peripheral surface and the bottom of the tabletop plate, and at least part of the limiting part is located in the limiting groove.

In order to achieve the second object of the utility model, the present utility model adopts the following technical scheme:

The seat comprises a frame body and the mounting structure of the detachable tabletop plate, wherein the bracket is fixedly connected or movably connected with the frame body.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, one of the inner side surface of the bracket and the outer peripheral surface of the table top is provided with the groove opening, the other one of the inner side surface of the bracket and the outer peripheral surface of the table top is provided with the lock tongue, and the lock tongue is positioned outside the groove opening or at least part of the lock tongue is inserted into the groove opening, so that the table top and the bracket can be conveniently and rapidly separated or fixed relatively, and the movement of the table top is facilitated.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the application.

FIG. 1 is a schematic view of a table top and a bracket according to the present utility model;

FIG. 2 is a schematic view of an exploded view of a table top according to the present utility model;

FIG. 3 is a schematic view showing a partial structure of a table top and a bracket of the present utility model mounted on a seat frame;

FIG. 4 is a schematic view showing a partial cross-sectional structure of the table top and the bracket of the present utility model mounted on the seat frame;

FIG. 5 is a partial bottom view of the table top and bracket of the present utility model mounted to a seat frame (locked position);

Fig. 6 is a partial bottom view of the table top and bracket of the present utility model mounted to a seat frame (unlocked state).

The reference numerals are: 1. a table top; 11. an upper case; 12. a lower case; 10. a through hole; 13. a mounting groove; 14. a bolt; 15. a connecting piece; 16. a lock knob; 17. a gasket; 18. a spring; 19. steel balls; 110. a screw A; 112. a screw B; 2. a bracket; 21. a groove opening; 22. a U-shaped portion; 23. a limit part; 100. limiting groove

Detailed Description

It should be noted that the following detailed description is illustrative and is intended to provide further explanation of the application. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

Furthermore, in the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "clockwise," "counterclockwise," etc. indicate or are based on the orientation or positional relationship shown in the drawings, merely for convenience of description and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, unless otherwise specified, the meaning of "a plurality" is two or more, unless otherwise clearly defined.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:

As shown in fig. 1 to 4, an installation structure of a detachable desktop board comprises a desktop board 1 and a bracket 2, wherein a groove opening 21 is formed in the inner side surface of the bracket 2, the desktop board 1 is provided with at least two locking components, at least part of the bracket 2 is of a tubular structure, specifically, the bracket 2 comprises a U-shaped part 22 and a limiting part 23, the U-shaped part 22 is of a metal tubular structure, the limiting part 23 is a plastic piece, the limiting part 23 is fixedly inserted into the U-shaped part 22, the limiting part 23 is fixedly connected with a frame body of a seat, the limiting part 23 is positioned at the inner side of the U-shaped part 22, the limiting part 23 is arranged towards the desktop board 1 in a protruding manner relative to the U-shaped part 22, part of the desktop board 1 is positioned at the inner side of the U-shaped part 22 and the limiting part 23, and the U-shaped part 22 and the limiting part 23 can limit the movement of the desktop board 1 in the horizontal direction or the movement of the horizontal direction, and the horizontal direction of the position is vertical to the height direction of the seat; the table top 1 comprises a limit groove 100, the limit groove 100 is opened at the periphery and the bottom of the table top 1, at least part of the limit part 23 is positioned in the limit groove 100, and the cooperation of the limit part 23 and the limit groove 100 is beneficial to improving the stability of the connection between the table top 1 and the bracket 2.

The two ends of the bracket 2 are fixedly or movably connected with the frame body of the seat, wherein the movable connection can be hinged, sliding connection and the like, and specifically, the bracket 2 comprises a U-shaped part 22, one end of the U-shaped part 22 is fixedly or movably connected with the frame body through a limiting part 23, and the other end of the U-shaped part 22 is fixedly or movably connected with the frame body through a plastic piece; at least part of the bracket 2 extends along the circumferential direction of the table top plate 1, the shape of the table top plate 1 is matched with that of the bracket 2, a circle of convex edges are arranged on the side edge of the upper part of the table top plate 1, and the convex edges are placed on the upper end face of the bracket 2 along the height direction of the seat; at least two locking assemblies are located below the protruding edge of the table top 1, and the two locking assemblies are diagonally arranged or symmetrically arranged on two sides of the table top, so that the table top 1 is more firm and stable, and preferably two locking assemblies are arranged on two sides of the table top at intervals. It will be appreciated that the recess 21 may be a slot-like structure or a through-hole-like structure, and specifically, referring to fig. 1, the recess 21 is a slot-like structure, and the recess 21 is located on the inner side of the bracket 2.

The locking assembly comprises a lock tongue 14, and the lock tongue 14 of the locking assembly can be rotatably arranged in the table top 1 or can be slidably arranged in the table top 1. The desktop board 1 is further provided with a through hole 10, the through hole 10 is in a strip shape, and the lock tongue 14 is hidden in the desktop board 1 or inserted into the groove opening 21 through the through hole 10, so that the desktop board 1 and the bracket 2 can be relatively separated or fixed. Through being equipped with the notch at the medial surface of support 2, set up spring bolt 14 at desktop board 1, spring bolt 14 can be located outside notch 21 or at least part of spring bolt 14 inserts and establishes in notch 21 for desktop board 1 and support 2 can make things convenient for quick relative separation or fixed, have made things convenient for the removal of desktop board, need not to remove whole seat.

The locking assembly further comprises a connecting piece 15, a lock knob 16 and a lock tongue 14, the lock knob 16 is fixedly connected with the connecting piece 15, the lock tongue 14 is fixedly connected with the connecting piece 15 or in transmission connection, specifically, referring to fig. 2 and 4, the lock tongue 14 is in a step plate shape, the upper plate is provided with a matching hole, the matching hole is specifically a rectangular hole, the top of the connecting piece 15 is provided with a matching convex block, the matching convex block is specifically a rectangular convex block, the upper plate is sleeved on the rectangular convex block, and the connecting piece 15 can drive the lock tongue 14 to rotate. The cooperation of the rectangular hole and the rectangular protruding block can enable the connecting piece and the lock tongue 14 to synchronously move to avoid slipping, however, in other embodiments, the locking tongue 14 can also have a block-shaped structure in the form of triangular, star-shaped or other polygonal protruding block and hole cooperation.

The structure guarantees synchronous movement of the connecting piece and the lock tongue 14 in the circumferential direction, and the limiting is carried out on the axial direction of the connecting piece 15 through the following structure: the rectangular protruding block is further provided with a threaded hole, a screw A110 is arranged in the threaded hole, and a gasket 17 for preventing the lock tongue 14 from falling off is further arranged between the screw A110 and the rectangular protruding block.

The lock button 16 is rotatably arranged at the bottom of the tabletop plate 1, the lock button 16 is fixed with the connecting piece 15 through the screw B112, the connecting piece 15 penetrates through the lower shell 12 of the tabletop plate 1, and the lock button 16 can rotate to drive the connecting piece 15, so that the lock tongue 14 is inserted into or separated from the notch 21. The portion of the lock knob 16 located outside the table top 1 is further provided with a raised line which is convenient to grasp, and the bottom of the table top 1 is also provided with a marking pattern at the locking position and the unlocking position, so that the identification is convenient.

The table top 1 comprises an upper shell 11 and a lower shell 12 which are fixed with each other, a mounting groove 13 is arranged in the lower shell 12, and a connecting piece 15 is arranged in the mounting groove 13. The locking assembly is further provided with a limiting structure, and a plurality of limiting positions are formed between the locking assembly and the mounting groove 13 through the limiting structure. The limit structure comprises a spring 18 and a steel ball 19, the horizontal section of the mounting groove 13 is polygonal, the polygonal can be regular polygon, non-regular polygon, convex polygon or concave polygon, and the like, and the polygonal can also comprise an arc surface. The connecting piece 15 and the inner wall of the mounting groove 13 leave a gap, the spring 18 transversely penetrates through the connecting piece 15, the steel balls 19 are arranged at two ends of the spring 18, and the steel balls 19 are propped against the inner wall of the mounting groove 13 under the action of the spring 18 to form a plurality of limiting positions.

The setting of mounting groove 13 can make the better maintenance of connecting piece 15 perpendicular, and then improves pivoted smoothness and smoothness, and a plurality of spacing positions also can make the operator more clear impression turned angle when rotatory lock is turned round, and whether the rotation is in place is distinguished easily, and also can play the effect that prevents the reverse pine of lock turn round after the rotation is in place.

The utility model relates to a mounting structure of a detachable tabletop plate, which comprises the following specific operation processes:

1. install the desktop board fast:

When the desk top 1 and the bracket 2 are in a separable state, the lock button is in a horizontal state. The lock button drives the lock tongue to rotate ninety degrees through the connecting piece, the lock tongue is inserted into the groove opening of the bracket, the desktop plate 1 is fixed with the bracket 2, and the lock button is in a vertical state (shown in figure 5).

2. Quickly detach the table top board:

When the desk top 1 and the bracket 2 are in a fixed state, the lock button is in a vertical state. The lock button drives the lock tongue to rotate ninety degrees through the connecting piece, the lock tongue exits from the groove opening of the bracket, the desktop plate 1 can be separated relative to the bracket 2, and at the moment, the lock button is in a horizontal state (as shown in fig. 6), and the desktop plate 1 can be separated from the bracket 2.

According to the mounting structure of the detachable desktop plate, the desktop plate 1 comprises the battery device, and the battery device comprises the charging interface and/or the wireless charging part, so that the desktop plate 1 can be rapidly detached and rapidly mounted when the desktop plate 1 meets the wired charging and/or wireless charging requirements of a user, and the user can conveniently move the desktop plate 1 and charge the battery device of the desktop plate 1 without moving the whole seat. It will be appreciated that the battery assembly may be disposed within the interior of the table top 1 and that the battery assembly may also form at least a portion of the table top 1; the seat can be a folding seat, so that the carrying of a user is facilitated; the table top 1 and the bracket 2 are specifically arranged at the side of the seat frame body.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives and variations may be made to the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model, and any simple modification, equivalent variation and modification of the above embodiments in light of the technical principles of the utility model may be made within the scope of the present utility model.

Claims (21)

1. The utility model provides a mounting structure of detachable desktop board, includes desktop board (1) and support (2), at least part of desktop board (1) is located the inboard of support (2), its characterized in that: one of the inner side surface of the support (2) and the outer peripheral surface of the desktop plate (1) is provided with a groove opening (21), the other one of the inner side surface of the support and the outer peripheral surface of the desktop plate comprises a locking component, the locking component comprises a lock tongue (14), the lock tongue (14) is positioned outside the groove opening (21) or at least part of the lock tongue (14) is inserted into the groove opening (21), and the desktop plate (1) and the support (2) can be separated or fixed relatively.

2. The removable desktop board mounting structure according to claim 1, wherein: the desktop board (1) comprises a battery device, and the battery device comprises a charging interface and/or a wireless charging part.

3. A detachable table top mounting structure according to claim 1 or 2, wherein: the outer peripheral surface of the desktop plate (1) is provided with a through hole (10), the lock tongue (14) can rotate or slide relative to the desktop plate (1), and when the lock tongue (14) is positioned in the desktop plate (1), the desktop plate (1) and the bracket (2) can be separated relatively; when at least part of the lock tongue (14) passes through the through hole (10) and is inserted into the groove opening (21), the desktop plate (1) and the bracket (2) are relatively fixed.

4. A removable desktop board mounting structure according to claim 3, wherein: the locking assembly comprises a connecting piece (15) and a lock knob (16), the lock knob (16) is rotatably arranged at the bottom of the tabletop plate (1), at least part of the connecting piece (15) is positioned in the tabletop plate (1), the lock tongue (14) is fixedly connected with the connecting piece (15), the connecting piece (15) is fixedly connected with the lock tongue (14) or in transmission connection, and the lock knob (16) is rotated to enable the lock tongue (14) to be inserted into or separated from the notch (21).

5. The detachable table top mounting structure of claim 4, wherein: the desktop board (1) is including mutually fixed epitheca (11) and inferior valve (12), be equipped with mounting groove (13) in inferior valve (12), at least part of connecting piece (15) is located in mounting groove (13), the locking component is equipped with limit structure, limit structure includes spring (18) and steel ball (19), the horizontal cross-section of mounting groove (13) becomes the polygon, the clearance is left with the inner wall of mounting groove (13) in connecting piece (15), spring (18) transversely run through and set up in connecting piece (15), steel ball (19) set up at the both ends of spring (18), steel ball (19) are under spring (18) effect with mounting groove (13) inner wall counterbalance formation a plurality of spacing positions.

6. A detachable table top mounting structure according to claim 4 or 5, wherein: the locking assembly is at least two in number, the lock tongue (14) is in a step plate shape, the upper plate is provided with a matching hole, the top of the connecting piece (15) is provided with a matching convex block, the upper plate is sleeved with the matching convex block, the connecting piece (15) can drive the lock tongue (14) to rotate, the matching convex block is provided with a threaded hole, the locking assembly comprises a screw A (110), a part of the screw A (110) is positioned in the threaded hole, a gasket (17) for preventing the lock tongue (14) from falling is arranged between the screw A (110) and the matching convex block, and the connecting piece (15) and the lock knob (16) are fixedly connected through a screw B (112).

7. A removable desktop board mounting structure according to any one of claims 1, 2, 4 or 5, wherein: at least part of the support (2) extends along the circumferential direction of the table top (1), at least part of the support (2) is of a tubular structure, a convex edge is arranged on the side edge of the upper portion of the table top (1), and the convex edge is placed on the upper end face of the support (2).

8. A removable desktop board mounting structure according to claim 3, wherein: at least part of the support (2) extends along the circumferential direction of the table top (1), at least part of the support (2) is of a tubular structure, a convex edge is arranged on the side edge of the upper portion of the table top (1), and the convex edge is placed on the upper end face of the support (2).

9. The removable desktop board mounting structure according to claim 6, wherein: at least part of the support (2) extends along the circumferential direction of the table top (1), at least part of the support (2) is of a tubular structure, a convex edge is arranged on the side edge of the upper portion of the table top (1), and the convex edge is placed on the upper end face of the support (2).

10. The removable desktop board mounting structure according to claim 7, wherein: the support (2) comprises a U-shaped part (22) and a limiting part (23), the limiting part (23) is located on the inner side of the U-shaped part (22), the part of the desktop plate (1) is located on the inner sides of the U-shaped part (22) and the limiting part (23), and the U-shaped part (22) and the limiting part (23) can limit the movement or the movement amount of the desktop plate (1) in the horizontal direction.

11. The removable desktop board mounting structure according to claim 8, wherein: the support (2) comprises a U-shaped part (22) and a limiting part (23), the limiting part (23) is located on the inner side of the U-shaped part (22), the part of the desktop plate (1) is located on the inner sides of the U-shaped part (22) and the limiting part (23), and the U-shaped part (22) and the limiting part (23) can limit the movement or the movement amount of the desktop plate (1) in the horizontal direction.

12. A detachable table top mounting structure according to claim 10 or 11, wherein: the utility model discloses a table top, including desktop board, U-shaped portion (22), spacing portion (23), limit portion (23), U-shaped portion (22) fixed connection, spacing portion (23) are relative U-shaped portion (22) orientation desktop board (1) protrusion sets up, the desktop board includes spacing groove (100), spacing groove (100) are at the outer peripheral face and the bottom opening of desktop board, at least part of spacing portion (23) is located spacing groove (100).

13. A seat, characterized in that: the mounting structure comprises a frame body and the detachable tabletop plate as claimed in any one of claims 1, 2, 4 or 5, wherein the bracket (2) is fixedly connected or movably connected with the frame body.

14. A seat, characterized in that: the detachable desk top comprises a frame body and the detachable desk top plate mounting structure as claimed in claim 3, wherein the bracket (2) is fixedly connected or movably connected with the frame body.

15. A seat, characterized in that: the detachable desk top comprises a rack body and the detachable desk top plate mounting structure as claimed in claim 6, wherein the support (2) is fixedly connected or movably connected with the rack body.

16. A seat, characterized in that: the detachable desk top comprises a rack body and the detachable desk top plate mounting structure as claimed in claim 7, wherein the support (2) is fixedly connected or movably connected with the rack body.

17. A seat, characterized in that: the detachable desk top comprises a rack body and the detachable desk top plate mounting structure as claimed in claim 8, wherein the support (2) is fixedly connected or movably connected with the rack body.

18. A seat, characterized in that: the detachable desk top comprises a rack body and the detachable desk top plate mounting structure as claimed in claim 9, wherein the support (2) is fixedly connected or movably connected with the rack body.

19. A seat, characterized in that: the detachable desk top comprises a frame body and the detachable desk top plate mounting structure as claimed in claim 10, wherein the bracket (2) is fixedly connected or movably connected with the frame body.

20. A seat, characterized in that: the detachable desk top comprises a rack body and the detachable desk top plate mounting structure as claimed in claim 11, wherein the support (2) is fixedly connected or movably connected with the rack body.

21. A seat, characterized in that: the detachable desk top comprises a frame body and the detachable desk top plate mounting structure as claimed in claim 12, wherein the bracket (2) is fixedly connected or movably connected with the frame body.