CN113197424A

CN113197424A - Desk with extend desktop

Info

Publication number: CN113197424A
Application number: CN202110550457.XA
Authority: CN
Inventors: 潘宛妮
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-05-20
Filing date: 2021-05-20
Publication date: 2021-08-03
Anticipated expiration: 2041-05-20
Also published as: CN113197424B

Abstract

The invention is suitable for the field of tables, and provides a desk with an expanded desktop, which comprises a desktop; desk legs; a receiving cavity; the expansion plate is slidably arranged in the containing cavity and used for increasing the using area of the desktop; the supporting mechanism is connected with the expansion plate, is arranged in the containing cavity and is used for supporting the expansion plate when the expansion plate is expanded; and the compensation mechanism is arranged on the expansion plate and used for compensating the gap between the expansion plate and the desktop when the expansion plate is expanded. Through setting up supporting mechanism and compensation mechanism, after the expansion board is pulled out from accomodating the chamber, adjust supporting mechanism to the state of tensioning, will expand the board and support to the horizontality, still through compensation mechanism in addition, compensate the clearance between expansion board and the desktop, extend the board and meet the top in the side of desktop, reduce the condition of the flagging slope of expansion board, the regional frequent unevenness of desktop of expansion in the desk that has effectively solved current desktop extensible, the problem of downward sloping appears.

Description

Desk with extend desktop

Technical Field

The invention belongs to the field of tables, and particularly relates to a desk with an expanded desktop.

Background

The desk is furniture which is commonly used for reading books and studying or working at home, and although electronic books are more and more popular with the improvement of life of people, the status of paper books cannot be replaced, and the desk is one of the furniture which needs to be added.

For families with small enough floor space, sometimes the use space left for desks is limited, and for the situation that a plurality of people need to use the desks at home, a plurality of desks are purchased and no place is placed, but one desk is not enough to be used, so that the desk is required to have the desktop expansion performance.

The desk that current desktop can expand has usually after long-time the use, and the regional frequent unevenness of desktop of expansion appears the problem of downward sloping, leads to article on the desktop to place unstably, appears the condition of landing or roll-off.

Disclosure of Invention

The embodiment of the invention aims to provide a desk with an expandable desktop, and aims to solve the problems that after the existing desk with the expandable desktop is usually used for a long time, an expanded desktop area is often uneven and inclined downwards.

The embodiment of the invention is realized in such a way that a desk with an expanded desktop comprises:

a table top and table legs connected with the table top;

a containing cavity arranged inside the tabletop,

the expansion plate is slidably arranged in the containing cavity and used for increasing the using area of the desktop;

the supporting mechanism is connected with the expansion plate, is arranged in the containing cavity and is used for supporting the expansion plate when the expansion plate is expanded; and

and the compensation mechanism is arranged on the expansion plate and used for compensating the gap between the expansion plate and the desktop when the expansion plate is expanded.

Preferably, the supporting mechanism comprises a telescopic rod hinged with the expansion plate and a stop rod arranged at one end of the telescopic rod;

one side of the expansion plate close to the telescopic rod is provided with a containing groove for containing the telescopic rod, the table leg is provided with a blocking groove communicated with the containing cavity, and the movement track of the blocking rod is intersected with the blocking groove.

Preferably, an extrusion piece is installed between the telescopic rod and the expansion plate, and one end of the extrusion piece is fixed with the telescopic rod.

Preferably, the expansion plate is provided with a sliding block at one end close to the center of the tabletop, the sliding block and the expansion plate are installed in a staggered mode, two ends of the sliding block are slidably installed on the guide unit, and the guide unit is slidably arranged in a guide rail in the storage cavity.

Preferably, the guide unit includes a limiting member slidably mounted on the slider and an elastic member disposed between the limiting member and the slider;

one end of the containing cavity, which is close to the outlet, is provided with a limiting hole penetrating through the tabletop, and the limiting hole is arranged on the motion track of the limiting part.

Preferably, the guide rail is in a two-section step shape and used for guiding the slide block to climb, and smooth and continuous transition is carried out at the step.

Preferably, the compensation mechanism comprises a compensation piece which is slidably arranged at one end of the expansion plate close to the center of the table top, a gear which is rotatably arranged on the sliding block and a fixing unit which is connected with the gear;

and one surface of the compensation piece, which is contacted with the gear, is provided with a gear row meshed with the gear.

Preferably, the fixing unit includes a stem fixed to the gear, an insert mounted on the stem, and a fixing hole provided on the slider for inserting the insert.

According to the desk with the expanded desktop, the supporting mechanism and the compensating mechanism are arranged, after the expansion plate is pulled out of the accommodating cavity, the supporting mechanism is adjusted to be in a tensioning state, the expansion plate is supported to be in a horizontal state, in addition, the compensating mechanism is used for compensating a gap between the expansion plate and the desktop, the expansion plate is abutted to the side face of the desktop, the condition that the expansion plate is drooping and inclined is reduced, and the problems that an expanded desktop area is often uneven and inclined downwards after the existing desk with the expandable desktop is used for a long time are effectively solved.

Drawings

Fig. 1 is a schematic structural view of a desk with an expanded desktop according to an embodiment of the present invention;

FIG. 2 is a schematic view of a guide rail structure in a desk with an expanded desktop according to an embodiment of the present invention;

FIG. 3 is a schematic view of an inner structure of a storage cavity in a desk with an expanded desktop according to an embodiment of the present invention;

FIG. 4 is an enlarged view of FIG. 3 at B;

FIG. 5 is an enlarged view taken at A in FIG. 1;

FIG. 6 is a three-dimensional view of the arrangement of fixing holes in a desk with an expanded desktop according to an embodiment of the present invention.

In the drawings: 1. a desktop; 2. a receiving cavity; 3. desk legs; 4. a baffle groove; 5. expanding the board; 6. accommodating grooves; 7. an extrusion; 8. a telescopic rod; 9. a slider; 10. a compensating member; 11. a limiting member; 12. an elastic member; 13. a gear; 14. a handle is rotated; 15. a plug-in; 16. a fixing hole; 17. a guide rail; 18. and a limiting hole.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Specific implementations of the present invention are described in detail below with reference to specific embodiments.

As shown in fig. 1, a structure of a desk with an expanded desktop is provided for an embodiment, the desk includes:

a table top 1 and table legs 3 arranged on the table top 1;

a containing cavity 2 arranged inside the tabletop 1,

the expansion plate 5 is slidably arranged in the containing cavity 2 and used for increasing the using area of the desktop 1;

the supporting mechanism is connected with the expansion plate 5, is arranged in the containing cavity 2 and is used for supporting the expansion plate 5 when the expansion plate 5 is expanded; and

and the compensation mechanism is arranged on the expansion plate 5 and used for compensating the gap between the expansion plate 5 and the desktop 1 when the expansion plate 5 is expanded.

In the condition of this embodiment, through setting up supporting mechanism and compensation mechanism, after expanding board 5 and pulling out from accomodating chamber 2, supporting mechanism adjusts to the state of tensioning, will expand board 5 and support to the horizontality, in addition through compensation mechanism, compensate the clearance between expanding board 5 and desktop 1, expand 5 indirect tops in the side of desktop 1, reduce the condition of the flagging slope of expanding board 5, the desk of effectively having solved current desktop expansibility usually has after long-time use, the regional frequent unevenness of desktop of expansion, the problem of downward sloping appears.

In one case of this embodiment, as shown in fig. 1, in order to further enlarge the usable area of the desktop 1, two expansion boards 5 may be symmetrically disposed inside the desktop 1, so that the desktop 1 and the expansion boards 5 have various combinations, so as to deal with more usable spaces, and besides, the number of the expansion boards 5 may be further increased according to the size of the desktop 1.

As shown in fig. 1, in one embodiment, the supporting mechanism comprises a telescopic rod 8 hinged with the expansion plate 5 and a stop rod installed at one end of the telescopic rod 8;

the lower surface of expansion plate 5 is provided with holding tank 6 that is used for holding telescopic link 8, set up on the table leg 3 and accomodate the manger plate 4 of chamber 2 intercommunication, the movement track of pin intersects with manger plate 4. Besides, the supporting mechanism can be a supporting rod, a lifting supporting cylinder, an oil cylinder and the like.

During the use, along with the outside removal of 2 of accomodating the chamber of expansion board 5, supporting mechanism moves thereupon, when the telescopic link 8 moves the position that keeps off groove 4 with the one end of accomodating 2 bottom laminating, because action of gravity, the pin falls into and keeps off in the groove 4, and along with the continuous motion of expansion board 5, telescopic link 8 begins to be stretched, and at the in-process of motion, the pin falls to the bottom that keeps off groove 4, after expansion board 5 pulls out completely, with the scalable member reciprocal anchorage in telescopic link 8, become a non-extensible member, the one end of telescopic link 8 supports in keeping off groove 4 this moment, the other end supports expansion board 5 to the horizontality.

It should be noted that the telescopic rod 8 is composed of multiple levels of nested rod pieces, the elastic columns and the small holes which can be fixed with each other are arranged among the multiple rod pieces, when the elastic column on one rod piece is inserted into the small hole on the other rod piece, the two rod pieces can be fixed with each other and cannot be stretched, only the elastic column is extruded into the rod piece, the elastic column is limited by the small hole, the two rod pieces can be recovered to the stretching state, and the multiple small holes can be arranged or the multiple levels of rod pieces can be nested, so that the expansion plate 5 can be stopped at different positions, and the desktop 1 can be expanded to different degrees. When the telescopic rod 8 in the supporting mechanism needs to be recovered into the storage cavity 2, the elastic column is firstly pressed, and then the stop lever moves upwards along the stop groove 4 until the stop lever returns to the storage cavity 2.

In one aspect of the present embodiment, as shown in fig. 1, an extruding member 7 is installed between the expansion link 8 and the expansion board 5, and one end of the extruding member 7 is fixed to the expansion link 8. In order to guarantee that the pin of 8 one ends of telescopic link can be quick gets into and keep off groove 4, add extruded article 7, spring can be chooseed for use to extruded article 7, can also choose for use compressible hollow silica gel column or bullet pad etc. as long as can have certain pressure to telescopic link 8 just, do not do specific restriction here.

As shown in fig. 1 and 3, in a preferred embodiment, a sliding block 9 is installed at one end of the extending plate 5 close to the center of the tabletop 1, the sliding block 9 is installed below the extending plate 5, two ends of the sliding block 9 are slidably installed on a guiding unit, and the guiding unit is slidably arranged in a guide rail 17 in the receiving cavity 2. The sliding block 9 and the guide rail 17 are added to ensure that the extension plate 5 can be smoothly moved out, and the surface of the extension plate 5 is prevented from being worn in the sliding process.

In one aspect of the present embodiment, as shown in fig. 3 and 4, the guiding unit includes a limiting member 11 slidably mounted on the slider 9, and an elastic member 12 disposed between the limiting member 11 and the slider 9;

a limiting hole 18 penetrating through the tabletop 1 is arranged in one end, close to the outlet, of the accommodating cavity 2, and the limiting hole 18 is located on the motion track of the limiting part 11. The position-limiting member 11 in the guiding unit is preferably a prism, such as a cube, so that when the position-limiting member 11 moves to the position of the position-limiting hole 18, the elastic member 12 pushes the position-limiting member 11 into the position-limiting hole 18, and the position-limiting member 11 with the prism does not rotate in the position-limiting hole 18, thereby further reducing the risk of the expansion plate 5 inclining. In addition, the elastic element 12 may be a spring as shown in fig. 4, and in addition, the elastic element may be replaced by other elastic components, such as a silica gel column, an elastic sheet, and the like, which is not limited in this embodiment. Besides, the elastic element 12 can be installed inside the limiting element 11, as long as it can ensure that the limiting element 11 can be ejected when reaching the position of the limiting hole 18. The guide unit may also be an elastic sleeve with a certain expansion or compression performance, or a shock-absorbing rod, etc.

In one aspect of the present embodiment, as shown in fig. 2, the guide rail 17 has a two-step shape, and is used for guiding the slide block 9 to climb, wherein one end of the guide rail 17 close to the outlet of the receiving cavity 2 is higher than the other end of the guide rail 17, and the step is smoothly and continuously transited. The two-stage design of the guide rail 17 is to make the slide block 9 rise a distance along the guide rail 17 when the slide block 9 slides to the right end as shown in fig. 2, and at this time, the extending plate 5 rises, so that the extending plate 5 can be kept horizontal with the upper surface of the table top 1, and the comfort of use is further improved.

In another preferred embodiment, as shown in fig. 3-5, the compensation mechanism comprises a compensation member 10 slidably mounted on the extension plate 5 near the center of the table top 1, a gear 13 mounted on the sliding block 9, and a fixing unit connected to the gear 13;

one side of the compensation part 10, which is in contact with the gear 13, is provided with a gear row meshed with the gear 13, a groove for mounting the gear 13 is formed in the slider 9, a rotating shaft is rotatably mounted in the groove, the gear 13 is mounted on the rotating shaft, and the gear 13 is in key connection with the rotating shaft, so that the gear 13 and the rotating shaft can slide relatively. In addition, the compensation member 10 of the compensation mechanism can be pushed by a screw nut structure or directly pushed by an air cylinder to compensate the gap between the expansion plate 5 and the table top 1.

In the specific implementation of the embodiment, after the extending plate 5 is completely removed, a certain gap may exist between the extending plate 5 and the table top 1 in the horizontal direction, and the existence of the gap creates the possibility of the extending plate 5 to hang down obliquely, so the operating gear 13 rotates to remove the compensating part 10 from the extending plate 5, so that the compensating part 10 abuts against the side surface of the table top 1, which is equivalent to that the extending plate 5 and the table top 1 are tightly attached together, and then the position of the gear 13 is fixed through the fixing unit, so that the extending state of the compensating part 10 is maintained.

In one case of the present embodiment, as shown in fig. 4 and 6 in conjunction, the fixing unit includes a stem 14 fixed to the gear 13, an insert 15 mounted on the stem 14, and a fixing hole 16 provided on the slider 9 for inserting the insert 15. In use, after the gear 13 reaches a designated position, the rotating handle 14 is pushed to drive the gear 13 to move towards the inside of the sliding block 9 until the plug-in piece 15 on the rotating handle 14 is plugged into the fixing hole 16, so that the gear 13 keeps the position relative to the sliding block 9, and the extending length of the compensating piece 10 is ensured. In addition, the fixed unit can also be selected for use the cooperation of pin and hole fixed, and the cooperation of key and keyway is fixed etc. makes gear 13 not take place to rotate.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a desk with extend desktop, includes the desktop and the table leg that links to each other with the desktop, its characterized in that, desk still includes:

a containing cavity arranged inside the tabletop,

2. The desk with the expandable desktop of claim 1, wherein the supporting mechanism comprises a telescopic rod hinged with the expandable plate and a stop rod installed at one end of the telescopic rod;

3. A desk with an expanding desktop as claimed in claim 2, wherein an extrusion member is installed between the expansion rod and the expanding board, and one end of the extrusion member is fixed with the expansion rod.

4. The desk with the expandable desktop as claimed in claim 1, wherein a sliding block is mounted at one end of the expandable plate close to the center of the desktop, the sliding block and the expandable plate are mounted in a staggered manner, two ends of the sliding block are slidably mounted on a guide unit, and the guide unit is slidably disposed in a guide rail in the receiving cavity.

5. The desk with the extended desktop of claim 4, wherein the guide unit comprises a limiting member slidably mounted on the sliding block and an elastic member disposed between the limiting member and the sliding block;

6. The desk with the expandable desktop as claimed in claim 4, wherein the guide rail is in a two-step shape for guiding the sliding block to climb, and the smooth and continuous transition is formed at the step.

7. The desk with the extended desktop as claimed in claim 4, wherein the compensation mechanism comprises a compensation member slidably mounted on one end of the extended plate near the center of the desktop, a gear mounted on the sliding block, and a fixing unit connected with the gear;

8. The desk with the extended desktop of claim 7, wherein the fixing unit comprises a rotating handle fixed with the gear, an insert mounted on the rotating handle, and a fixing hole provided on the sliding block for the insert to be inserted.