CN201700671U - A table whose table top can be lifted, rotated and opened and closed - Google Patents

Abstract

A table with a liftable, rotatable and retractable table top comprises a fixed table and a movable table, wherein the fixed table comprises a fixed table top and fixed foot rests, the movable table comprises a movable table top and movable foot rests, and further comprises a hand sliding rail device, and the movable table is connected with the fixed table through the sliding rail device; the lifting device comprises a sleeve arranged on the movable foot rest, a lifting rod and a return spring, the return spring is arranged in the sleeve, one end of the lifting rod is arranged in the sleeve and is in contact with the return spring, and the other end of the lifting rod is connected with the movable table top; the lifting rod is provided with a positioning rod, the sleeve is provided with an L-shaped positioning groove, and the positioning rod is arranged in the positioning groove; the utility model discloses can how much change the desktop size according to the number of using, satisfy people's actual demand.

Description

A table whose table top can be lifted, rotated and opened and closed

technical field

The utility model relates to the technical field of furniture and desks, in particular to a table whose table top can be lifted, rotated and opened and closed. the

Background technique

In the prior art, the existing table is composed of a table top and a table foot, and after the table is manufactured, the actual usable area of the table is fixed. In a small meeting room of an enterprise or a restaurant of a small family, under normal circumstances, the number of people using the table is generally no more than 4 people, and the demand for the area of the desktop is small. Therefore, choosing a table with a small desktop can reduce the occupation of the table However, when the number of people participating in the meeting or dining is more than 4 people, the table with a small tabletop will appear crowded or unable to accommodate, which will cause inconvenience to users; if you choose a table with a large tabletop, it can meet the needs of many people. requirements, but will take up more space. Therefore, people wish to have a table that can change the size of the desktop according to the number of people. the

Contents of the invention

The purpose of this utility model is to provide a table with a table top that can be lifted, rotated, and opened to address the shortcomings of the prior art. The sliding table can be folded under the fixed table through a slide rail device, and the size of the table can be changed according to the number of people. the

In order to achieve the above purpose, the utility model is achieved through the following technical proposals: a table whose table top can be lifted, rotated and opened and closed, including a fixed table and a movable table, the fixed table includes a fixed desktop and a fixed tripod, and the movable table includes a movable The desktop and the movable tripod further include a slide rail device, and the movable table is connected with the fixed table through the slide rail device; it further includes a lifting device, and the lifting device includes a sleeve arranged on the movable tripod, a lifting rod and a return spring, and the return spring Set in the sleeve, one end of the lifting rod is set in the sleeve and is in contact with the return spring, and the other end is connected with the movable table; the lifting rod is provided with a positioning rod, the sleeve is provided with an "L" shaped positioning groove, and the positioning rod is set on in the positioning slot. the

The slide rail device includes an inner rail, a middle rail and an outer rail, the inner rail is set on the movable tripod, the outer rail is set on the fixed tripod, the inner rail is nested in the middle rail, the middle rail is nested in the outer rail, the inner rail and the middle rail Connected by balls, the middle rail and outer rail are connected by balls. the

The lifting rod is provided with a positioning hole, and one end of the return spring is disposed in the positioning hole. the

A groove is provided at one end of the supporting foot of the movable tripod in contact with the ground, and rollers are arranged in the groove, and the movable tripod contacts the ground through the rollers. the

Beneficial effects of the utility model: after the movable desktop of the utility model is rotated 180 degrees, it is lowered to a low position through the lifting device, and then slides to the bottom of the fixed desktop through the slide rail device. At this time, the usable area of the table is equal to the area of the fixed desktop ;When the sliding table is stretched out from the fixed desktop, the movable desktop is rotated 180 degrees, and after being raised to a high position by the lifting device, the height of the movable desktop is consistent with that of the fixed desktop. At this time, the usable area of the table is equal to the area of the fixed desktop and the movable desktop The sum of the areas; therefore, the utility model can change the size of the desktop according to the number of users to meet people's actual needs. the

Description of drawings

Fig. 1 is a schematic diagram of the structure of the movable table hidden in the bottom of the fixed desktop of the present invention. the

Fig. 2 is a schematic diagram of the unfolded structure of the activity table of the present invention. the

Fig. 3 is a schematic view of the internal structure of the utility model. the

FIG. 4 is a schematic diagram of the structure in the direction C of FIG. 3 . the

FIG. 5 is an enlarged schematic diagram of A in FIG. 3 . the

FIG. 6 is an enlarged schematic view of B in FIG. 3 . the

FIG. 7 is an enlarged schematic diagram of D in FIG. 4 . the

Fig. 8 is a structural schematic diagram of the utility model after removing the movable desktop and the fixed desktop. the

In Figures 1 to 8:

1 - fixed table

11 - Fixed desktop

12——fixed tripod

2 - activity table

21 - Active Desktop

22——Active tripod

221 - support foot

222 - Groove

3——Slide rail device

31 - inner rail

32 - middle rail

33 - outer rail

4——Lifting device

41 - sleeve

42 - lifting rod

43——return spring

44——Positioning rod

45——locating groove

421——positioning hole

5—Roller.

Detailed ways

The utility model will be further described below in conjunction with the accompanying drawings. the

See Fig. 1 to Fig. 8, a kind of table top can lift, rotate and open and close, comprise fixed table 1 and movable table 2, fixed table 1 comprises fixed desktop 11 and fixed tripod 12, movable table 2 comprises movable desktop 21 and Movable tripod 22 further includes hand slide rail device 3, movable table 2 is connected with fixed table 1 by slide rail device 3; 42 and back-moving spring 43, back-moving spring 43 is arranged in the sleeve 41, and one end of lifting rod 42 is arranged in the sleeve 41 and contacts with back-moving spring 43, and the other end is connected with movable desktop 21; Lifting rod 42 is provided with positioning rod 44 , The sleeve 41 is provided with an "L" shaped positioning groove 45 , and the positioning rod 44 is disposed in the positioning groove 45 . the

The slide rail device 3 includes an inner rail 31, a middle rail 32 and an outer rail 33, the inner rail 31 is arranged on the movable tripod 22, the outer rail 33 is arranged on the fixed tripod 12, the inner rail 31 is nested in the middle rail 32, and the middle rail 32 Nested in the outer rail 33, the inner rail 31 and the middle rail 32 are connected by balls (not shown in the figure), and the middle rail 32 and the outer rail 33 are connected by balls (not shown in the figure). the

The lifting rod 42 is provided with a positioning hole 421, and one end of the return spring 43 is arranged in the positioning hole 421. The purpose of setting the positioning hole 421 is to make the rising or falling of the lifting rod 42 consistent with the axis of the lifting rod 42. the

The supporting foot 221 of movable tripod 22 is provided with groove 222 on the end that contacts with the ground, and roller 5 is arranged in groove 222, and movable tripod 22 contacts with the ground by roller 5, and the purpose that roller 5 is set is to make movable tripod 22 Movement is smoother. the

The working principle of the present utility model: when the movable table 2 of the present utility model is in the unfolded state, when it is folded, firstly, the movable table 21 is turned over 180 degrees, and at the same time, the movable table 21 is pressed, and the elevating rod 42 moves downward, so that Positioning bar 44 snaps into the bottom of positioning groove 45, and at this moment, movable table top 21 is in low position, then, promotes movable tripod 22 and moves toward fixed table 1, makes movable table 2 hide under fixed desktop 11 completely. the

When unfolding, at first, the movable table 2 is pulled out from the bottom of the fixed desktop 11, and after being pulled to a predetermined position, the movable table 21 is turned over 180 degrees, and at the same time, the movable table 21 is pressed to make the positioning rod 44 break away from the bottom of the positioning groove 45, Lifting rod 42 resets under the effect of back-moving spring 43, and positioning rod 44 snaps into the top of positioning groove 45, and at this moment, movable desktop 21 is in high position, and the height of movable desktop 21 is consistent with the height of fixed desktop 11. the

Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present utility model rather than limiting the protection scope of the present utility model. Although the utility model has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should It is understood that the technical solution of the utility model can be modified or equivalently replaced without departing from the essence and scope of the technical solution of the utility model. the

Claims (4)

1. the desk of a table top liftable, rotation and folding, comprise table dormant and drop table, table dormant comprises fixedly desktop and fixedly foot rest, and drop table comprises active desktop and movable footrest, it is characterized in that: further comprise railroad, drop table is connected with table dormant by railroad; Further comprise lowering or hoisting gear, described lowering or hoisting gear comprises sleeve, elevating lever and the back-moving spring that is arranged at movable footrest, and back-moving spring is arranged in the sleeve, and an end of elevating lever is arranged in the sleeve and with back-moving spring and contacts, and the other end is connected with active desktop; Elevating lever is provided with backstay, and sleeve is provided with " L " shape locating slot, and backstay is arranged in the locating slot.

2. the desk of a kind of table top liftable according to claim 1, rotation and folding, it is characterized in that: railroad comprises interior rail, middle rail and outer rail, interior rail is arranged at movable footrest, outer rail is arranged at fixedly foot rest, interior rail is nested in middle rail, middle rail is nested in outer rail, and interior rail is connected by ball with middle rail, and middle rail is connected by ball with outer rail.

3. the desk of a kind of table top liftable according to claim 1, rotation and folding, it is characterized in that: described elevating lever is provided with locating hole, and an end of back-moving spring is arranged in the locating hole.

4. the desk of a kind of table top liftable according to claim 1, rotation and folding, it is characterized in that: the end that the feet of described movable footrest contacts with ground is provided with groove, be provided with roller in the groove, described movable footrest contacts with ground by roller.

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