CN220734708U - Table top drawing structure - Google Patents

Abstract

The utility model discloses a table top drawing structure which comprises a drawing table top arranged on at least one side surface of a main table top and a fixing frame arranged below the main table top, wherein a sliding frame is slidably arranged on the fixing frame and is connected with the drawing table top through a rotary supporting mechanism. According to the table top drawing structure, a novel product type is arranged, the height of the drawing table top is adjusted through rotary motion outside translational motion, and the table top drawing structure is simpler in overall structure and convenient to operate.

Description

Table top drawing structure

Technical Field

The utility model relates to the technical field of furniture, in particular to a desktop drawing structure.

Background

In the furniture industry, table products capable of adjusting the size of a table top have a large market, the table products are roughly divided into two types, namely a folding storage type, the table top or a part of the table top of the table has the folding storage function, and the table top or a part of the table top can be unfolded as required, but the table top or a part of the table top of the table is limited in fixing means after being unfolded, so that the stability of the unfolded part of the table top is lower than that of the fixed table top, and the part of the table top is usually positioned at the edge of the table top and is the most frequent area for people to use, so that the table top has the problem of safety or service life.

The second type is that the part of the desktop is stored under the main desktop through the translation and lifting mechanism, the part of the desktop needs to be translated and lifted when unfolded, so that the part of the desktop is flush with the main desktop, and the desk has the defects that the lifting mechanism is difficult to realize accurate and rapid lifting if being manual, and the lifting mechanism also needs manual limiting, is more troublesome to operate, is complex in connecting mechanism and has higher failure rate, and if the lifting mechanism is provided with a motor, a power supply needs to be connected, the use scene is limited, the cost is higher, and the failure rate is also higher.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model provides the table top drawing structure, which is provided with a novel product type, and the height of the drawing table top is adjusted through the rotation besides the translational movement, so that the whole structure is simpler and the operation is convenient.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a desktop drawing structure which comprises a drawing desktop arranged on at least one side surface of a main desktop and a fixing frame arranged below the main desktop, wherein the fixing frame is fixedly connected with the main desktop, a sliding frame is slidably arranged on the fixing frame, and the sliding frame is connected with the drawing desktop through a rotary supporting mechanism.

When the desktop drawing structure is not used, the drawing desktop and the sliding frame are hidden below the main desktop, when the drawing desktop is required to be unfolded, the drawing desktop and the sliding frame simultaneously slide outwards, after the drawing desktop is completely exposed out of the main desktop, the whole drawing desktop is rotated relative to one shaft on the sliding frame through the rotary supporting mechanism, so that the height of the drawing desktop is changed and just approaches to the edge of the main desktop, namely the unfolding operation is finished, and the operation is reversed when the drawing desktop is stored.

According to the table top drawing structure, a novel product type is arranged, the height of the drawing table top is adjusted through rotary motion outside translational motion, and the table top drawing structure is simpler in overall structure and convenient to operate.

In a further technical scheme, the drawing table top is arranged on two opposite side surfaces of the main table top.

The drawing table tops are arranged on the two side faces of the main table top, so that the fixing frame can be utilized to the maximum extent, and a larger expansion range of the table top can be obtained.

In a further technical scheme, the opposite surfaces of the fixing frame and the sliding frame are respectively provided with a sliding groove and a sliding block, and the sliding grooves and the sliding blocks are mutually matched.

The sliding groove and the sliding block are matched to realize smooth sliding of the sliding frame on the fixing frame, so that the operation is further convenient.

In a further technical scheme, the fixing frame and the sliding frame are further provided with positioning mechanisms for an inner stop point and an outer stop point of the sliding frame on the fixing frame.

Through setting up positioning mechanism, provide the location when two dead center positions for push-and-pull balladeur train, make things convenient for blind field of vision to operate, also avoided the balladeur train to produce the position deviation under gravity or rocking the effect, further convenient operation.

In a further technical scheme, positioning mechanism is the spring top pearl of setting on one of mount and balladeur train, be provided with the cardboard on the another one of mount and balladeur train, the one end of cardboard extends to the top of spring top pearl and has seted up the draw-in groove in the top of spring top pearl, spring top pearl all has the setting at the interior dead point and the outer dead point of balladeur train on the mount.

In the sliding process of the sliding frame, when the sliding frame slides to the inner dead point or the outer dead point, the spring top beads are jacked into the clamping grooves of the clamping plates, the movement of the sliding frame is limited by the clamping plates, in-place indication is provided for an operator, manual repositioning is not needed, and further operation is convenient.

In a further technical scheme, the fixing frame is of a groined structure, the fixing frame is connected with the main table surface through a connecting column, and the connecting column is arranged at the structure rotation position of the fixing frame.

The structural strength of the groined structure is higher, the main tabletop is supported at the structure rotation position, and the supporting stability is better.

In a further technical scheme, the rotary supporting mechanism comprises a swing arm, one end of the swing arm is rotatably connected with the sliding frame through a rotating shaft, the other end of the swing arm is rotatably connected with the connecting table through the rotating shaft, and the connecting table is fixedly connected with the drawing table top.

Through setting up swing arm and connection platform for the pull desktop can be stable realize the swing, adjust its height, it is effectual to the support of pull desktop.

In a further technical scheme, the rotary supporting mechanism further comprises an extension spring, one end of the extension spring is connected to the sliding frame, and the other end of the extension spring is connected to the connecting table.

Through setting up extension spring, when pull desktop swing and main table face meet parallel and level, extension spring provides a decurrent pulling force, cooperates the dead weight of pull desktop for pull desktop backward swing needs to overcome bigger resistance, has promoted the stability of pull desktop under the expansion state promptly.

In a further technical scheme, a plurality of connecting holes are formed in the connecting table aiming at the extension springs, and the distances between the plurality of connecting holes and one end, connected with the sliding frame, of the extension springs are sequentially increased.

The existence of a plurality of connecting holes provides a basis for tension adjustment of the tension spring, namely, a user can select a proper connecting hole to connect the tension spring according to the tension requirement in the use process so as to adjust the tension of the tension spring, and the operation is further convenient.

In a further technical scheme, the rotary supporting mechanism further comprises a fixed-height column arranged on the sliding frame, the top surface of the fixed-height column is flush with the bottom surface of the main table top, and the fixed-height column is arranged on the rotary path of the drawing table top.

The fixed-height column provides a reference for the final height of the drawing table top when being unfolded, a stopping point is provided for the swinging of the drawing table top, the drawing table top swings to the fixed-height column when swinging, the drawing table top is level with the main table top at the moment, meanwhile, the fixed-height column also provides support for the drawing table top, and the stability of the drawing table top is better.

The beneficial effects are that:

1. according to the table top drawing structure, a novel product type is arranged, the height of the drawing table top is adjusted through rotary motion outside translational motion, and the table top drawing structure is simpler in overall structure and convenient to operate.

2. The drawing table tops are arranged on the two side faces of the main table top, so that the fixing frame can be utilized to the maximum extent, and a larger expansion range of the table top can be obtained.

3. The sliding groove and the sliding block are matched to realize smooth sliding of the sliding frame on the fixing frame, so that the operation is further convenient.

4. Through setting up positioning mechanism, provide the location when two dead center positions for push-and-pull balladeur train, make things convenient for blind field of vision to operate, also avoided the balladeur train to produce the position deviation under gravity or rocking the effect, further convenient operation.

5. In the sliding process of the sliding frame, when the sliding frame slides to the inner dead point or the outer dead point, the spring top beads are jacked into the clamping grooves of the clamping plates, the movement of the sliding frame is limited by the clamping plates, in-place indication is provided for an operator, manual repositioning is not needed, and further operation is convenient.

6. The structural strength of the groined structure is higher, the main tabletop is supported at the structure rotation position, and the supporting stability is better.

7. Through setting up swing arm and connection platform for the pull desktop can be stable realize the swing, adjust its height, it is effectual to the support of pull desktop.

8. Through setting up extension spring, when pull desktop swing and main table face meet parallel and level, extension spring provides a decurrent pulling force, cooperates the dead weight of pull desktop for pull desktop backward swing needs to overcome bigger resistance, has promoted the stability of pull desktop under the expansion state promptly.

9. The existence of a plurality of connecting holes provides a basis for tension adjustment of the tension spring, namely, a user can select a proper connecting hole to connect the tension spring according to the tension requirement in the use process so as to adjust the tension of the tension spring, and the operation is further convenient.

10. The fixed-height column provides a reference for the final height of the drawing table top when being unfolded, a stopping point is provided for the swinging of the drawing table top, the drawing table top swings to the fixed-height column when swinging, the drawing table top is level with the main table top at the moment, meanwhile, the fixed-height column also provides support for the drawing table top, and the stability of the drawing table top is better.

Drawings

Fig. 1 is a front view showing a storage state of a table top drawing structure according to an embodiment of the present utility model;

FIG. 2 is a top view of a main table top in perspective and in a stowed configuration of a table top drawer structure according to an embodiment of the utility model;

FIG. 3 is a front view of an expanded view of a table top drawer according to an embodiment of the utility model;

FIG. 4 is a front view of the expanded result of a table top drawer structure according to an embodiment of the present utility model;

FIG. 5 is a top view of the table top drawer with the primary table top shown in perspective and as a result of the deployment of the table top drawer structure in accordance with an embodiment of the utility model;

fig. 6 is a schematic perspective view of the fixing frame and the sliding frame of the table top drawing structure in the embodiment of the utility model;

fig. 7 is a partially enlarged structural schematic diagram at a in fig. 6.

10. A main desktop; 20. drawing the tabletop; 30. a fixing frame; 31. a chute; 32. a connecting column; 33. a spring top bead; 40. a carriage; 41. a rotary support mechanism; 411. swing arms; 412. a connection station; 413. a tension spring; 414. a fixed-height column; 42. a clamping plate; 43. a sliding block.

Detailed Description

The utility model is further described below with reference to the accompanying drawings:

examples:

the utility model provides a desktop pull structure, as shown in fig. 1-5, includes pull desktop 20 that sets up at least one side of main desktop 10 and sets up the mount 30 of main desktop 10 below, mount 30 and main desktop 10 fixed connection, slidable be provided with carriage 40 on the mount 30, carriage 40 is connected with pull desktop 20 through rotatory supporting mechanism 41.

In this embodiment, the pull table top 20 is disposed on opposite sides of the main table top 10.

The drawing table top 20 is arranged on two side surfaces of the main table top 10, so that the fixing frame 30 can be utilized to the maximum extent, and a larger table top unfolding range can be obtained.

According to the desktop drawing structure, when the desktop drawing structure is not used, the drawing desktop 20 and the sliding frame 40 are hidden below the main desktop 10, when the desktop drawing structure needs to be unfolded, the drawing desktop 20 is pulled outwards, the drawing desktop 20 and the sliding frame 40 slide outwards simultaneously, after the drawing desktop 20 completely exposes out of the main desktop 10, the whole drawing desktop 20 rotates relative to one axis on the sliding frame 40 through the rotary supporting mechanism 41, so that the height of the drawing desktop 20 is changed and just approaches to the edge of the main desktop 10, namely the unfolding operation is completed, and the operation is reversed when the drawing desktop is stored.

According to the table top drawing structure, a novel product type is arranged, the height of the drawing table top 20 is adjusted through rotary motion besides translational motion, and the table top drawing structure is simpler in overall structure and convenient to operate.

In another embodiment, the pull table top 20 may be provided on only one side of the main table top 10.

The single-side arrangement of the drawing table top 20 is applied to part of special table tops, and various structures can meet different use requirements according to different use scenes.

In another embodiment, as shown in fig. 3, 4 and 6, a sliding groove 31 and a sliding block 43 are respectively arranged on opposite surfaces of the fixed frame 30 and the sliding frame 40, and the sliding groove 31 and the sliding block 43 are matched with each other.

In the present embodiment, the sliding groove 31 is disposed on the fixing frame 30, and the sliding block 43 is disposed on the sliding frame 40, which may also be disposed reversely in some embodiments, and will not be described herein.

In this embodiment, the sliding groove 31 is a T-shaped groove, the sliding block 43 is a T-shaped block, and the sliding groove 31 and the sliding block 43 with the T-shaped structure are matched with each other, so that the sliding guide can be provided, the movement freedom of the sliding frame 40 can be limited, and the stability of the sliding frame 40 can be improved.

The sliding groove 31 and the sliding block 43 are matched to realize the smooth sliding of the sliding frame 40 on the fixed frame 30, so that the operation is further convenient.

In another embodiment, a rolling friction guide mechanism is used between the carriage 40 and the mount 30, such as balls on the mating surfaces to reduce friction of the carriage 40 during sliding.

In another embodiment, the fixing frame 30 and the carriage 40 are further provided with positioning mechanisms for the inner stop point and the outer stop point of the carriage 40 on the fixing frame 30.

By arranging the positioning mechanism, positioning is provided for pushing and pulling the sliding frame 40 to two dead point positions, blind vision is facilitated to operate, and position deviation of the sliding frame 40 under the action of gravity or shaking is avoided, so that further operation is facilitated.

In another embodiment, as shown in fig. 6, the positioning mechanism is a spring top bead 33 disposed on one of the fixing frame 30 and the carriage 40, a clamping plate 42 is disposed on the other of the fixing frame 30 and the carriage 40, one end of the clamping plate 42 extends to the upper side of the spring top bead 33, a clamping groove is formed above the spring top bead 33, and the spring top bead 33 is disposed at the inner dead point and the outer dead point of the carriage 40 on the fixing frame 30.

In this embodiment, the spring top bead 33 is disposed on the fixing frame 30, and the clamping plate 42 is disposed on the carriage 40, which may be opposite in some embodiments, and will not be described herein.

The spring top bead 33 is structured to form a slot on the fixing frame 30, a compression spring is arranged in the slot, then the ball is arranged in the slot and compresses the spring, namely, the ball always keeps the upward movement trend, the ball can be partially exposed out of the slot and limited by the slot and can not be completely separated, when the clamping plate 42 passes through one side of the ball, the ball can be pressed into the slot, then the ball protrudes from the clamping slot, a certain limit is provided for the clamping plate 42, and a user can judge whether to push or pull the tail according to the push-pull hand feeling and the sound emitted by the spring top bead 33.

In the sliding process of the carriage 40, when the carriage 40 slides to the inner dead point or the outer dead point, the spring top beads 33 are jacked into the clamping grooves of the clamping plates 42, the movement of the carriage 40 is limited by the clamping plates 42, in-place indication is provided for an operator, manual repositioning is not needed, and further operation is convenient.

In another embodiment, the positioning mechanism is disposed on the sliding groove 31 and the sliding block 43, and may take the form of a spring top bead 33, or may take the form of other structures known to those skilled in the art, which will not be described herein.

In another embodiment, as shown in fig. 2, 5 and 6, the fixing frame 30 has a groined structure, the fixing frame 30 is connected with the main table top 10 through a connecting column 32, and the connecting column 32 is disposed at the structure rotation of the fixing frame 30.

The structure strength of the groined type structure is higher, the main tabletop 10 is supported at the structure rotation position, and the supporting stability is better.

In this embodiment, each drawing table top 20 is connected with the carriage 40 through two sets of rotary supporting mechanisms 41, the carriage 40 is in a U-shaped structure, two sets of rotary supporting mechanisms 41 are respectively connected to two long sides of the U-shaped structure of the carriage 40, and simultaneously, the two long sides of the U-shaped structure of the carriage 40 are matched with the fixing frame 30 through the matching of the sliding blocks 43 and the sliding grooves 31, namely, the fixing frame 30 provides sliding guiding and supporting for the carriage 40 in two directions at the same time, so that the movement stability of the drawing table top 20 is better.

In addition, under the structural form, the fixing frame 30 with the groined structure can ensure better synchronism between the sliding frames 40 at two sides, and the same sliding frames 40 at two sides of the fixing frame 30 can utilize the same set of sliding grooves 31 on the fixing frame 30, so that the utilization rate of the structure is improved.

In another embodiment, as shown in fig. 7, the rotation supporting mechanism 41 includes a swing arm 411, one end of the swing arm 411 is rotatably connected to the carriage 40 through a rotation shaft, the other end of the swing arm 411 is rotatably connected to a connection table 412 through a rotation shaft, and the connection table 412 is fixedly connected to the drawing table 20.

Through setting up swing arm 411 and connection platform 412 for pull desktop 20 can stable realization swing, adjusts its height, and is effectual to the support of pull desktop 20.

In another embodiment, as shown in fig. 7, a single connecting table 412 is connected to 2 swing arms 411, so as to further improve the movement stability of the drawing table top 20.

In another embodiment, as shown in fig. 7, the rotation support mechanism 41 further includes an extension spring 413, and one end of the extension spring 413 is connected to the carriage 40, and the other end is connected to the connection table 412.

Through setting up extension spring 413, when pull desktop 20 swing and main desktop 10 dock parallel and level, extension spring 413 provides a decurrent pulling force, cooperates pull desktop 20's dead weight for pull desktop 20 is to the backward swing need overcome bigger resistance, has promoted pull desktop 20's stability under the expansion state promptly.

In another embodiment, as shown in fig. 7, a plurality of connection holes are provided for the tension spring 413 on the connection table 412, and the distances between the plurality of connection holes and the end of the tension spring 413 to which the carriage 40 is connected are sequentially increased.

The existence of a plurality of connecting holes provides a basis for the tension adjustment of the tension spring 413, namely, a user can select a proper connecting hole to connect the tension spring 413 according to the tension requirement in the use process so as to adjust the tension of the tension spring 413, and the operation is further convenient.

In another embodiment, as shown in fig. 3, 6 and 7, the rotation support mechanism 41 further includes a height-fixing column 414 provided on the carriage 40, the top surface of the height-fixing column 414 being level with the bottom surface of the main table top 10, and the height-fixing column 414 being provided in the rotation path of the drawing table top 20.

The height-fixing column 414 provides a reference for the final height of the drawing table top 20 when being unfolded, provides a stopping point for the swinging of the drawing table top 20, and can swing to the height-fixing column 414 when the drawing table top 20 swings, at this time, the drawing table top 20 is flush with the main table top 10, meanwhile, the height-fixing column 414 also provides support for the drawing table top 20, and the stability of the drawing table top 20 is better.

The complete drawing process is described once here: firstly, the accommodating state of the drawing table top 20 is shown in fig. 1 and 2, at this time, the drawing table top 20 is hidden under the main table top 10, the gravity of the drawing table top 20 is applied on the carriage 40, the carriage 40 is located at the inner dead point, at this time, the clamping plate 42 moves to the position of the spring top bead 33 corresponding to the inner dead point, and the spring top bead 33 is clamped in the clamping groove of the clamping plate 42.

When the drawing table top 20 is needed, the drawing table top 20 is firstly drawn out transversely outwards, as shown in fig. 3, the drawing table top 20 is exposed out of the main table top 10, the carriage 40 is located at the outer dead point, the clamping plate 42 moves to the position of the spring top bead 33 corresponding to the outer dead point, the spring top bead 33 is clamped in the clamping groove of the clamping plate 42, and the gravity of the drawing table top 20 is still exerted on the carriage 40.

Then the drawing table top 20 is swung, as shown in fig. 4 and 5, when the drawing table top 20 is swung, the swing arm 411 is swung at the same time, and the drawing table top 20 is butted with and flush with the main table top 10 after being swung, at this time, the height fixing column 414 props against the drawing table top 20, and at the same time, the drawing spring 413 pulls the drawing table top 20 to have a downward oblique pulling force, so that the drawing is completed.

The above operation is reversed during storage.

In another embodiment, the height-fixing posts 414 are screws, which are fixed on the carriage 40, and the support surfaces at the tail parts of the screws are used for realizing the height-fixing support.

In another embodiment, as shown in fig. 7, the connecting table 412 is provided with two connecting lugs opposite to each other in the width direction, wherein one connecting lug is connected with the swing arm 411, and the other connecting lug is provided with a connecting hole and connected with the tension spring 413, so that the swing arm 411 and the tension spring 413 are spaced apart in the horizontal direction to avoid interference.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims (10)

1. The utility model provides a desktop pull structure which characterized in that, including setting up the pull desktop at least one side of main table and setting up the mount below the main table, slidable is provided with the balladeur train on the mount, the balladeur train passes through rotary support mechanism and is connected with the pull desktop.

2. The table top drawer as recited in claim 1, wherein the drawer table top is disposed on opposite sides of the main table top.

3. The table top drawing structure according to claim 1, wherein a sliding groove and a sliding block are respectively arranged on opposite surfaces of the fixing frame and the sliding frame, and the sliding groove and the sliding block are mutually matched.

4. A table top drawing structure according to claim 1 or 3, wherein the fixing frame and the carriage are further provided with positioning mechanisms for inner and outer dead points of the carriage on the fixing frame.

5. The table top drawing structure according to claim 4, wherein the positioning mechanism is a spring top bead arranged on one of the fixing frame and the sliding frame, a clamping plate is arranged on the other one of the fixing frame and the sliding frame, one end of the clamping plate extends to the upper side of the spring top bead, a clamping groove is formed in the upper side of the spring top bead, and the spring top bead is arranged at the inner dead point and the outer dead point of the sliding frame on the fixing frame.

6. The table top drawing structure according to claim 1 or 2, wherein the fixing frame is of a groined structure, the fixing frame is connected with the main table top through a connecting column, and the connecting column is arranged at a structure rotation position of the fixing frame.

7. The table top drawing structure according to claim 1, wherein the rotation supporting mechanism includes a swing arm, one end of the swing arm is rotatably connected with the carriage through a rotation shaft, the other end of the swing arm is rotatably connected with the connection table through a rotation shaft, and the connection table is fixedly connected with the drawing table top.

8. The table top pulling mechanism of claim 7, wherein the rotary support mechanism further comprises an extension spring having one end connected to the carriage and the other end connected to the connection table.

9. The table top drawing structure according to claim 7, wherein a plurality of connection holes are provided on the connection table for the tension spring, and distances between the plurality of connection holes and one end of the tension spring connected to the carriage are sequentially increased.

10. The table top pulling mechanism of claim 7, wherein the rotational support mechanism further comprises a height-defining post disposed on the carriage, the height-defining post having a top surface that is level with a bottom surface of the main table top, the height-defining post disposed in a rotational path of the pulling table top.