CN201847092U - Tabletop multi-section expansible and manual lifting device - Google Patents

Abstract

A tabletop multi-section expansible and manual lifting device comprises a fixed rail and movable rails, wherein a large tabletop is mounted on the fixed rail, the movable rails capable of moving along the fixed rail axially are disposed on the fixed rail. The tabletop multi-section expansible and manual lifting device is characterized in that at least two lifting tabletops in parallel arrangement and with identical structures are arranged on the movable rails. The tabletop multi-section expansible and manual lifting device is scientific in design, simple in structure, fewer in parts and convenient in manufacture. Ascent and descent of the small tabletops can be realized by horizontal left-and-right movement of the sliding rail and vertical motion of the lifting racks along chutes. One or a plurality of small tabletops can be assembled by a user according to needs, the tabletop multi-section expansible and manual lifting device is quite convenient and reliable in operation, and is especially applicable to dining tables with varied tabletop extension length requirements.

Description

Flexible and the manual hoisting device of a kind of desktop multistage

Technical field

The utility model relates to furniture, the flexible and manual hoisting device of especially a kind of desktop multistage.

Background technology

The previous disclosed patent No. ZL2007201203314 of the applicant, be a kind of by hook-like means, motion bar, crane; " a kind of pulling force apparatus for automatically lifting " that rocking arm and adjustable shelf constitute; hook-like means can be moved perpendicular to the motion bar direction of motion; adjustable shelf can relative hook-like means be done axially-movable with motion bar; motion bar is provided with the dead point; this dead point can be hooked by hook-like means; motion bar and rocking arm flexibly connect; rocking arm and adjustable shelf flexibly connect and can be around tie point along adjustable shelf direction of motion backwards rotation, crane can be done elevating movement by relative adjustable shelf under the rocking arm effect.Though this device can be realized automatic lifting well, its structure is complicated.

Summary of the invention

Technical problem to be solved in the utility model is to remedy above-mentioned the deficiencies in the prior art, and it is simpler to design a kind of structure, the flexible and manual hoisting device of the more smooth desktop multistage that moves.

Technical problem of the present utility model is solved by the following technical programs.

Flexible and the manual hoisting device of this desktop multistage comprises: the fixedly track of large table surface is installed and be arranged on fixedly on the track and can along on the fixing track axle to mobile movable track.

This desktop multistage characteristics flexible and manual hoisting device are:

At least be arranged in parallel on the described movable track and be provided with two identical in structure lifting desktops.

Technical problem of the present utility model is solved by following further technical scheme.

Described lifting desktop is provided with the crane of two oblique chutes by small table surface and spaced and parallel, and be arranged on the movable track with crane on corresponding two leads of two oblique chutes constitute, the lifting desktop cooperates with the insertion of lead by oblique chute and is installed on the movable track.

Described oblique chute is a kind of by the section of rising as high as the banks be connected tip-tilted thereafter chute section and constitute.

Described fixedly track is that a kind of cross section is the rectangle track of rectangle frame, and being provided with of rectangle track supplies the axially movable open slot of crane.

At least be interval with the movable pulley that two movable tracks of confession set up in the described rectangle track, movable track is erected in the rectangle track by movable pulley.

Described movable track left end is provided with a limiting block that touches movable pulley in the rectangle track, and this limiting block can prevent that movable track from excessively moving to right and detach the rectangle track.

Described rectangle track top is provided with one and can qualification activity track rises and fall the bumping post of desktop withdrawal position.

The utility model desktop multistage use and course of action flexible and manual hoisting device are: when the promotion small table surface is moved horizontally to the large table surface right side to the right, manually impel the chute section of the oblique chute of each crane to move up along lead, slip into the section of rising as high as the banks of oblique chute up to lead, this moment, each small table surface was concordant with large table surface, promote small table surface again and be moved to the left and realize and the closing up of large table surface, realize the flexible and elevating movement of small table surface.

The beneficial effect that the utility model is compared with the prior art is:

Flexible and the manual hoisting device design science of this desktop multistage, simple in structure, part is few, and is easily manufactured.The rising and the decline that can realize each small table surface that moves up and down by the oblique chute of the left and right motion of slip track level and each crane edge.People can be spliced one or more small table surface as required, operate very convenient and reliablely, are particularly useful for the changeable dinner table of desktop spread length requirement.

The utility model desktop multistage concrete structure flexible and manual hoisting device is provided in detail by the following drawings and embodiment.

Description of drawings

Fig. 1 is the flexible structural representation that reaches manual hoisting device of desktop multistage;

Fig. 2 is the flexible and manual hoisting device part-structure enlarged diagram of desktop multistage shown in Figure 1;

Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9 and Figure 10 are the flexible operation schematic diagrames that reaches manual hoisting device of desktop multistage shown in Figure 1.

Among the figure: 1-rectangle track, 11-large table surface, the movable track of 2-, the 3-first lifting desktop, 31-first small table surface, the tiltedly sliding groove of 32-, 321-groove one section of rising as high as the banks, 322-groove one chute section, 33-first crane, 34-lead tiltedly sliding two grooves of a post, the 4-second crane desktop, 41-second small table surface, 42-, 421-groove two sections of rising as high as the banks, 422-groove two chute section, 43-second crane, 44-lead two posts, 5-movable pulley, 6---limiting block, 7-bumping post.

The specific embodiment

Can be clear that from Fig. 1 the desktop multistage stretches and manual hoisting device is that the rectangle track 1 of rectangle frame, movable track 2, the first lifting desktop 3 and the second lifting desktop 4 are formed by cross section.

Be interval with the movable pulley 5 that two movable tracks 2 of confession set up in the described rectangle track 1, movable track 2 is erected in the rectangle track 1 by movable pulley 5.

Described movable track 2 left ends are provided with a limiting block 6 that touches movable pulley 5 in the rectangle track 1, and this limiting block 6 can prevent that movable track 2 from excessively moving to right and detach rectangle track 1.

Described rectangle track 1 is equipped with large table surface 11, and large table surface 11 is concordant with raise-position on the first lifting desktop 3 or the second lifting desktop 4.The rectangle track 1 of large table surface below be provided with one can qualification activity track 2 on the bumping post 7 of lifting desktop withdrawal position.

The described first lifting desktop 3 is provided with two tiltedly first cranes 33 of sliding grooves 32 by first small table surface 31 and spaced and parallel, and be arranged on the movable track 2 with first crane 33 on two a tiltedly sliding groove 32 corresponding two leads 34 constitute.

The described second lifting desktop, 4 structures and the first lifting desktop 3 are identical, be provided with two tiltedly second cranes 43 of sliding two grooves 42 by second small table surface 41 and spaced and parallel, and be arranged on the movable track 2 with second crane 43 on two tiltedly sliding two grooves, 42 corresponding two guiding, two posts 44 constitute.

The first lifting desktop 3 and the second lifting desktop 4 are respectively by oblique cunning one groove 32, tiltedly sliding two grooves 42 cooperate to be arranged in parallel with the insertion of guiding one post 34, two posts 44 that lead and are installed on the movable track 2.

Described oblique cunning one groove 32 and tiltedly sliding two grooves, 42 structures as shown in Figure 2, respectively by groove one section of rising as high as the banks 321, groove two sections of rising as high as the banks 421 and be connected tip-tilted thereafter groove one chute section 322, groove two chute section 422 constitute.

The utility model desktop multistage course of action flexible and manual hoisting device is as follows: the original position of the flexible and manual hoisting device of desktop multistage as shown in Figure 1, the first and second lifting desktops 3 are installed, 4 slip track 2 is withdrawn fully and is retracted in the rectangle track 1 of large table surface below, (see figure 3) when slip track 2 utilizes movable pulley 5 to slide into the first lifting desktop 3 to the right in rectangle track 1 to stretch out the large table surface right-hand member fully, manually impel the first lifting desktop 3 to move upward this moment, first crane 33 relies on it to go up cooperating of the post 34 that leads on a tiltedly sliding groove 32 and the slip track 2, the post 34 that leads slides into groove one section of rising as high as the banks 321 dead point (see figure 4)s downwards by groove one chute section 322 of oblique cunning one groove 32, and first desktop 31 of the first lifting desktop 3 rises concordant with the large table surface 11 on the rectangle track 1; Promote that slip track 2 is moved to the left large table surface 11 and first small table surface 31 closes up (see figure 5) this moment, finishes engaging of first small table surface 31 and large table surface 11.

If need to continue the lengthening desktop, then movable track 2 can be continued pull out to the right, touch movable pulley 5 in the rectangle track 1 up to the limiting block 6 of movable track 2 left parts, movable track 2 has moved to right and has put in place.At this moment, (see figure 6) when large table surface 11 right-hand members are stretched out in second lifting 4 fully, manually impel the second lifting desktop 4 to move upward, second crane 43 relies on it to go up cooperating of two posts 44 that lead on tiltedly sliding two grooves 42 and the slip track 2, two posts 44 that lead slide into groove two sections of rising as high as the banks 421 dead point (see figure 7)s downwards by groove two chute section 422 of oblique cunning two grooves 42, second small table surface 41 of the second lifting desktop 4 rise with rectangle track 1 on large table surface 11 concordant with first small table surface 31; Promote that slip track 2 is moved to the left first small table surface 31 and second small table surface 41 closes up (see figure 8) with large table surface 11 this moment, finish engaging of first small table surface 31 and second small table surface 41 and large table surface 11.

The decline and the process that folds of first small table surface 31 and second small table surface 41 are as follows: pulling slip track 2 moves right, stop to slide to the right when the limiting block 6 of slip track 2 right-hand members touches movable pulley in the rectangle track, first small table surface 31 separates (see figure 9) with second small table surface 41 with large table surface; Manually impel the first and second lifting desktops 3,4 to move downward this moment, the first lifting desktop 3 and the second lifting desktop 4 rely on a tiltedly sliding separately groove 32, tiltedly guiding one post 34 on sliding two grooves 42 and the slip track 2, leading moved downward two cooperating of post 44, made first small table surface 31 and second small table surface be reduced to large table surface 11 (see figure 10)s for 41 times; The track 2 that can promote to slide this moment is moved to the left, when second small table surface, 41 left ends touch the bumping post 7 of rectangle track 1 of large table surface 11 belows, in the time of in slip track 2 is retracted into rectangle track 1 fully, the withdrawal of first small table surface 31 and second small table surface 41 is hidden in large table surface 11 belows, is returned to Fig. 1 state.

Above content be in conjunction with concrete preferred implementation to further describing that the utility model is done, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, under the prerequisite that does not break away from the utility model design, its framework form can be flexible and changeable, can the subseries product.Just make some simple deduction or replace, all should be considered as belonging to the scope of patent protection that the utility model is determined by claims of being submitted to.

Claims (7)

1. the flexible and manual hoisting device of a desktop multistage comprises: the fixedly track of large table surface is installed and be arranged on fixedly on the track and can along on the fixing track axle to mobile movable track, it is characterized in that:

At least be arranged in parallel on the described movable track and be provided with two identical in structure lifting desktops.

2. the flexible and manual hoisting device of desktop multistage according to claim 1 is characterized in that:

Described lifting desktop is provided with the crane of two oblique chutes by small table surface and spaced and parallel, and be arranged on the movable track with crane on corresponding two leads of two oblique chutes constitute, the lifting desktop cooperates with the insertion of lead by oblique chute and is installed on the movable track.

3. the flexible and manual hoisting device of desktop multistage according to claim 2 is characterized in that:

Described oblique chute is a kind of by the section of rising as high as the banks be connected tip-tilted thereafter chute section and constitute.

4. according to claim 1 or the flexible manual hoisting device that reaches of 2 or 3 described desktop multistages, it is characterized in that:

Described fixedly track is that a kind of cross section is the rectangle track of rectangle frame, and being provided with of rectangle track supplies the axially movable open slot of crane.

5. the flexible and manual hoisting device of desktop multistage according to claim 4 is characterized in that:

At least be interval with the movable pulley that two movable tracks of confession set up in the described rectangle track, movable track is erected in the rectangle track by movable pulley.

6. the flexible and manual hoisting device of desktop multistage according to claim 5 is characterized in that:

Described movable track left end is provided with a limiting block that touches movable pulley in the rectangle track, and this limiting block can prevent that movable track from excessively moving to right and detach the rectangle track.

7. the flexible and manual hoisting device of desktop multistage according to claim 6 is characterized in that:

Described rectangle track top is provided with one and can qualification activity track rises and fall the bumping post of desktop withdrawal position.

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