CN105124920B - Self-powered platform - Google Patents

Abstract

The invention provides an elevating workbench, which includes a lower support and an upper support, at least one set of X-shaped lifting mechanisms are arranged between the lower support and the upper support, and the elevating workbench also includes elastic elements, The first end of the elastic element is connected between the two ends of the first pole or the second pole, and the second end of the elastic element is connected to the lower support or a second hinge seat that is slidable relative to the lower support Above, the elastic element is used to counteract or partially counteract the load bearing of the upper support. The present invention uses elastic elements to provide supporting force for offsetting or partially offsetting the load bearing of the upper support, so that the workbench can stay at any height, and the structure is simple and the cost is low. Moreover, by adopting this X-type lifting mechanism, the front and rear positions of the upper support will not change during the lifting process of the upper support, which is more practical.

Description

Lifting table

Technical field:

The invention relates to a lifting workbench.

Background technique:

Most of the lifting tables in the prior art use mechanical springs or torsion springs to provide rising elastic force, and generally use a strut structure to make the table rise or fall relative to the lower support. The structure is relatively complicated and the cost is high.

Invention content:

The technical problem solved by the invention is to overcome the existing technical defects and provide a lifting workbench with simple structure and low cost.

The technical solution provided by the present invention is: the present invention provides an elevating workbench, which includes a lower support and an upper support, and at least one set of X-shaped lifting mechanisms is arranged between the lower support and the upper support, and its features That is: each group of X-shaped lifting mechanisms includes two intermediate positions hinged to form X-shaped struts: the first strut and the second strut, and the first support fixed on the lower support is provided on the lower support. A hinged seat and a second hinged seat that can slide relative to the lower support, the upper support is provided with a third hinged seat fixed on the upper support and a fourth hinged seat that can slide relative to the upper support, so The lower end of the first pole is hinged to the first hinge seat, the upper end is hinged to the fourth hinge seat, the lower end of the second pole is hinged to the second hinge seat, and the upper end is hinged to the third hinge seat. An elastic element is also included, the first end of the elastic element is connected between the two ends of the first pole or the second pole, and the second end of the elastic element is connected to the lower support or is slidable relative to the lower support On the second hinge seat, the elastic element is used to counteract or partially counteract the load bearing of the upper support.

After adopting the above structure, the present invention has the following advantages: the present invention provides supporting force through the elastic element, which is used to offset or partially offset the load bearing of the upper support, so that the workbench can stay at any height, the structure is simple, and the cost is low. Moreover, by adopting this X-type lifting mechanism, during the lifting process of the upper support, the front and rear positions of the upper support will not change, which is more practical.

Preferably, the elastic element is arranged between the lower support and the first pole, the first end of the elastic element is hinged to the lower support, and the second end of the elastic element is hinged to the first pole.

The elastic element is arranged between the second hinge seat and the second pole, the first end of the elastic element is hinged to the second hinge seat, and the second end of the elastic element is hinged to the second pole.

The elastic element is a compression gas spring or a mechanical compression spring.

The elastic element is arranged between the lower support and the second pole, the first end of the elastic element is hinged to the lower support, and the second end of the elastic element is hinged to the second pole.

The elastic element is arranged between the second hinge seat and the first pole, the first end of the elastic element is hinged to the second hinge seat, and the second end of the elastic element is hinged to the first pole.

The elastic element is a tension gas spring or a tension spring.

A slide rail is provided on the upper support, and the fourth hinged seat slides in the slide rail. A bar-shaped sliding block is arranged on the fourth hinged seat along the direction of the slide rail. The sliding direction of the four hinged seats is provided with several slotted holes, and a pin is also provided on the upper support, and the pin is controlled by a cable and a wrench for controlling the pin to be inserted into or out of the slotted hole. With this structure, when the upper support is lifted to a certain position, the pin can be inserted into the slot to fix the lifting position of the upper support. Then you can continue to adjust the height of the upper support.

A table board is also provided on the upper support, and a keyboard holder is provided below the table board, and the keyboard holder, the table board and the upper support move synchronously. Use the keyboard tray to place the keyboard.

There are two groups of the X-type lifting mechanisms, which are respectively arranged on both sides of the upper support, and the two groups of X-type lifting mechanisms are connected by horizontal plates. Adopting this structure can make the X-shaped lifting mechanisms on both sides of the upper support move synchronously, and can also strengthen the strength of the lifting workbench.

Description of drawings:

Accompanying drawing 1 is the structural representation of the front of the present invention;

Accompanying drawing 2 is the structural representation of the back of the present invention;

Accompanying drawing 3 is one of embodiment;

Accompanying drawing 4 is embodiment two;

Accompanying drawing 5 is the third embodiment;

Accompanying drawing 6 is the fourth embodiment;

Accompanying drawing 7 is the fifth embodiment;

Accompanying drawing 8 is the sixth embodiment;

Accompanying drawing 9 is the structural representation of locking mechanism;

Accompanying drawing 10 is a schematic diagram of the enlarged structure at A in Fig. 9 .

As shown in the figure: 1. Upper support, 1.1. Table board, 1.2. Keyboard tray, 1.3. Slide rail, 2. Lower support, 3. The first support rod, 4. The second support rod, 5. The second hinge Seat, 6, first hinged seat, 7, third hinged seat, 8, fourth hinged seat, 9, elastic element, 9.1, gas spring, 9.2, spring, 10, horizontal plate, 11, wrench, 12, drag cable , 13, sliding block, 14, slotted hole, 15, pin.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the present invention is described in detail:

As shown in Figures 1 to 10: the present invention provides a lifting workbench, which includes a lower support 2 and an upper support 1, and at least one set of X-shaped Lifting mechanism, each group of X-type lifting mechanisms includes two intermediate positions hinged to form X-shaped struts: the first strut 3 and the second strut 4, and the lower support 2 is provided with The first hinge seat 6 on the top and the second hinge seat 5 slidable relative to the lower support 2, the upper support 1 is provided with a third hinge seat 7 fixed on the upper support 1 and relative to the upper support Seat 1 is a slidable fourth hinged seat 8, the lower end of the first strut 3 is hinged with the first hinged base 6, the upper end is hinged with the fourth hinged base 8, and the lower end of the second strut 4 is hinged with the second hinged base. The seat 5 is hinged, and the upper end is hinged with the third hinged seat 7. The lifting table also includes an elastic element 9, and the first end of the elastic element 9 is connected to both ends of the first pole 3 or the second pole 4. Between the end points, the second end of the elastic element 9 is connected to the lower support 2 or the second hinged seat 5 slidable relative to the lower support 2 , and the elastic element 9 is used to offset or partially offset the load bearing of the upper support 1 .

During the lifting process of the upper support, the second hinged seat 5 and the fourth hinged seat 8 are slidable relative to the lower support and the upper support respectively, so that the X-shaped lifting mechanism can be adjusted to make the upper support lift.

Figure 3 is one of the embodiments. In this embodiment, the elastic element 9 is a gas spring 9.1, the first end of the gas spring 9.1 is connected between the two ends of the first strut 3, and the first end of the gas spring 9.1 is The two ends are connected to the lower support 2. The gas spring in this embodiment is a compressed gas spring, that is, the gas spring provides upward elastic force.

Figure 4 is the second embodiment. In this embodiment, the elastic element 9 is a gas spring 9.1, the first end of the gas spring 9.1 is connected between the two ends of the second pole 4, and the first end of the gas spring 9.1 is Two ends are connected on the second hinge seat 5 . The gas spring in this embodiment is a compressed gas spring, that is, the gas spring provides upward elastic force.

Figure 5 is the third embodiment. In this embodiment, the elastic element 9 is a spring 9.2, the first end of the spring 9.2 is connected between the two ends of the second pole 4, and the second end of the spring 9.2 is connected On the lower support 2, in this embodiment, the spring 9.2 is an extension spring. That is, the spring provides a retracting tension.

Figure 6 is the fourth embodiment. In this embodiment, the elastic element 9 is a spring 9.2. The first end of the spring 9.2 is connected between the two ends of the first pole 3, and the second end of the spring 9.2 is connected On the upper support 1, in this embodiment, the spring 9.2 is an extension spring. That is, the spring provides a retracting tension. It can be seen that the structure of this embodiment is actually the same as that of the third embodiment, but it is a symmetrical structure with the third embodiment, that is, the upper support 1 in this embodiment is regarded as the lower support 2 in the third embodiment. If the first strut 3 in this embodiment is regarded as the second strut 4 in the third embodiment, then the structure is the same as that in the third embodiment. This structure symmetrical to the third embodiment should also be within the protection scope of the present application.

Fig. 7 is the fifth embodiment, which is the symmetrical structure of one of the embodiments.

Fig. 8 is the sixth embodiment, which is the symmetrical structure of the second embodiment.

Embodiments of the present application include but are not limited to the foregoing embodiments.

As shown in Figure 9-10, the upper support 1 is provided with a slide rail 1.3, the fourth hinged seat 8 slides in the slide rail 1.3, and the fourth hinged seat 8 is provided along the direction of the slide rail 1.3 A bar-shaped sliding block 13, the sliding block 13 moves synchronously with the fourth hinged seat 8, and several slot holes 14 are arranged on the sliding block 13 along the sliding direction of the fourth hinged seat 8, and on the upper support 1 A pin 15 is also provided, and the pin 15 is controlled by a cable 12 and a wrench 11 for controlling the pin 15 to be inserted into the slot 14 or out of the slot 14 . With this structure, when the upper support is lifted to a certain position, the pin can be inserted into the slot to fix the lifting position of the upper support. Pull it out, then you can continue to adjust the height of the upper support. This structure provides a locking mechanism for the lifting workbench, which can be locked when the workbench rises to a certain height to prevent the workbench from falling.

The upper support 1 is also provided with a table board 1.1, and a keyboard holder 1.2 is provided below the table board 1.1, and the keyboard holder 1.2, the table board 1.1 and the upper support 1 move synchronously. If the upper support 1 is put down, and the lower support 2 is put on the top, then the table board and the keyboard tray can be set on the lower support 2, and this structure is actually the same as the structure described in the present application.

There are two groups of X-shaped lifting mechanisms, which are respectively arranged on both sides of the upper support 1, and are connected by cross plates 10 between the two groups of X-shaped lifting mechanisms. Adopting this structure can make the X-shaped lifting mechanisms on both sides of the upper support move synchronously, and can also strengthen the strength of the lifting workbench.

Claims (9)

1. a kind of self-powered platform, it includes undersetting, upper bracket, at least one set of X is provided between the undersetting and upper bracket Type elevating mechanism, it is characterised in that：Every group of X-type elevating mechanism includes the pole that two centre positions are hinged into X-type： First pole and the second pole, the undersetting is provided with the first hinged seat being fixed on undersetting and relative to undersetting Slidable second hinged seat, the upper bracket is provided with the 3rd hinged seat being fixed on upper bracket and relative to upper bracket Slidable 4th hinged seat, lower end and the first hinged seat of first pole are hinged, and upper end is hinged with the 4th hinged seat, institute The lower end and the second hinged seat for stating the second pole are hinged, and upper end is hinged with the 3rd hinged seat, and the self-powered platform also includes bullet Property element, the first end of the flexible member are connected between the two-end-point of first pole or the second pole, flexible member The second end be connected to undersetting or relative on slidable second hinged seat of undersetting, the flexible member be used to offset or Partial offset upper bracket load-bearing；

The upper bracket is provided with slide rail, and the 4th hinged seat slides in slide rail, along slide rail side on the 4th hinged seat To provided with bar shaped sliding shoe, several slotted eyes are provided with along the glide direction of the 4th hinged seat on the sliding shoe, it is described on A pin is additionally provided with bearing, the pin is controlled by a drag-line and spanner, and slotted eye or disengaging are inserted for control pin Slotted eye, upper bracket are provided with table, and spanner is arranged on below table.

2. self-powered platform according to claim 1, it is characterised in that：The flexible member is arranged on undersetting and first Between pole, first end and the undersetting of the flexible member are hinged, and the second end and the first pole of flexible member are hinged.

3. self-powered platform according to claim 1, it is characterised in that：The flexible member be arranged on the second hinged seat and Between second pole, the first end of the flexible member is hinged with the second hinged seat, the second end and the second pole of flexible member It is be hinged.

4. the self-powered platform according to Claims 2 or 3, it is characterised in that：The flexible member for compression gas spring or Mechanical compression springs.

5. self-powered platform according to claim 1, it is characterised in that：The flexible member is arranged on undersetting and second Between pole, first end and the undersetting of the flexible member are hinged, and the second end and the second pole of flexible member are hinged.

6. self-powered platform according to claim 1, it is characterised in that：The flexible member be arranged on the second hinged seat and Between first pole, the first end of the flexible member is hinged with the second hinged seat, the second end and the first pole of flexible member It is be hinged.

7. the self-powered platform according to claim 5 or 6, it is characterised in that：The flexible member for stretching gas spring or Extension spring.

8. self-powered platform according to claim 1, it is characterised in that：Table is additionally provided with the upper bracket, under table Side is provided with keyboard support, and the keyboard support, table and upper bracket are synchronized with the movement.

9. self-powered platform according to claim 1, it is characterised in that：The X-type elevating mechanism has two groups, sets respectively Connected between the both sides of upper bracket, two groups of X-type elevating mechanisms with transverse slat.