阅读说明：本技术 一种气动升降桌 (Pneumatic lifting table ) 是由 倪良正 张叙俊 朱志华 谢淑辉 黎启坤 胡芳园 于 2019-09-19 设计创作，主要内容包括：本发明属于家具技术领域,具体涉及一种气动升降桌。针对现有手动式双腿气动升降桌在双腿立柱中分别设置气弹簧的不足,本发明采用如下技术方案：一种气动升降桌,所述气动升降桌包括：主桌腿,从桌腿,横梁,桌板,所述桌板与横梁固接,气弹簧,所述气弹簧固定于横梁的容纳槽中且横向设置,线控手柄,所述线控手柄与气弹簧的开关相连接,牵引组件,所述牵引组件包括一端与气弹簧的活塞杆固接的牵引绳,所述牵引绳另一端与主下立柱固接,同步组件,所述同步组件包括与主下立柱和从下立柱固接的同步绳。本发明的气动升降桌的有益效果是：仅采用一根气弹簧,依靠气弹簧、牵引组件和同步组件实现桌板升降的调节。(The invention belongs to the technical field of furniture, and particularly relates to a pneumatic lifting table. Aiming at the defect that the air springs are respectively arranged in the two-leg upright posts of the existing manual type two-leg pneumatic lifting table, the invention adopts the following technical scheme: a pneumatic lift table, comprising: the main table leg is from the table leg, the crossbeam, the table, table and crossbeam rigid coupling, the air spring is fixed in the holding tank of crossbeam and transversely sets up, drive-by-wire handle, the drive-by-wire handle is connected with the switch of air spring, pulls the subassembly, pull the haulage rope that the subassembly includes the piston rod rigid coupling of one end and air spring, the haulage rope other end and main stand rigid coupling down, synchronous subassembly includes the synchronous rope with main stand under and from the stand rigid coupling down. The pneumatic lifting table has the beneficial effects that: only one gas spring is adopted, and the adjustment of the lifting of the table top is realized by the gas spring, the traction assembly and the synchronization assembly.)

1. A pneumatic lift table which characterized in that: pneumatic lift table includes:

the desk comprises main desk legs (1), wherein each main desk leg (1) comprises a main upper upright (11) and a main lower upright (12) which are sleeved with each other;

the auxiliary table legs (2) comprise auxiliary upper upright posts (21) and auxiliary lower upright posts (23) which are sleeved with each other;

the cross beam (3) is provided with an accommodating groove, and the cross beam (3) is fixedly connected with the main upper upright column (11) of the main table leg (1) and the auxiliary upper upright column (21) of the auxiliary table leg (2) respectively;

the table plate (4) is fixedly connected with the cross beam (3);

the gas spring (5) is fixed in the accommodating groove of the cross beam (3) and is transversely arranged;

the wire control handle (6), the said wire control handle (6) is connected with switch of the air spring (5);

the traction assembly (7) comprises a traction rope (71) one end of which is fixedly connected with a piston rod of the gas spring (5), and the other end of the traction rope (71) is fixedly connected with the main lower upright post (12);

the synchronous component (8), the synchronous component (8) comprises a synchronous rope (81) fixedly connected with the main lower upright post (12) and the auxiliary lower upright post (23).

2. A pneumatic lift table as defined in claim 1 wherein: the pneumatic lifting table further comprises a transverse guide assembly (9), the transverse guide assembly (9) comprises a guide rail (91) fixed in the accommodating groove and a sliding block (92) matched with the guide rail (91), and the sliding block (92) is fixedly connected with a piston rod of the gas spring (5).

3. A pneumatic lifting table as claimed in claim 2 wherein: the guide rails (91) and the sliding blocks (92) are arranged in two groups, and the sliding blocks (92) are fixedly connected with a piston rod of the gas spring (5) through connecting columns (93), connecting blocks (94) and connecting plates (95).

4. A pneumatic lifting table as claimed in claim 3 wherein: the piston rod anti-rotation device is characterized in that the slide block (92) is provided with a positioning hole, one end of the connecting column (93) is matched with the positioning hole, the other end of the connecting column is an anti-rotation part, the connecting block (94) is provided with an anti-rotation hole matched with the anti-rotation part, the end part of the connecting block (94) is also provided with a threaded hole, the connecting plate (95) is provided with a mounting hole matched with the threaded hole, and the connecting plate (95) is provided with a through hole for.

5. A pneumatic lift table as defined in claim 1 wherein: the traction rope (71) and the synchronous rope (81) are provided with a stay wire nut piece (72) and a stay wire bolt (73) for adjusting tightness.

6. A pneumatic lift table as defined in claim 1 wherein: the traction assembly (7) further comprises an upper wheel frame (74) fixedly connected with the main upper upright post (11), a movable pulley block (75) pivotally connected with the upper wheel frame (74), a lower wheel frame (76) fixedly connected with the main lower upright post (12), and a movable pulley pivotally connected with the lower wheel frame (76), wherein the traction rope (71) is respectively matched with the movable pulley block (75) and the movable pulley.

7. A pneumatic lifting table as claimed in claim 6 wherein: the movable pulley block (75) comprises two movable pulleys arranged at two ends of the upper wheel frame (74), and the fixed pulley (77) is higher than the movable pulley at the lower end of the upper wheel frame (74); the fixed pulley (77) and the movable pulley both comprise a bearing and a plastic piece.

8. A pneumatic lift table as defined in claim 1 wherein: the main upper upright column (11) is arranged outside the main lower upright column (12), and the auxiliary upper upright column (21) is arranged outside the auxiliary lower upright column (23); the main lower upright post (12) and the upper end of the auxiliary lower upright post (23) are fixedly connected with a sliding guide assembly (13), and the sliding guide assembly (13) comprises an annular cylinder and a plurality of rollers arranged on the annular cylinder.

9. A pneumatic lift table as defined in claim 1 wherein: the synchronizing component (8) further comprises a synchronizing wheel frame (82) fixedly connected with the main upper upright post (11) and a synchronizing pulley block (83) pivoted with the synchronizing wheel frame (82), and the synchronizing rope (81) is matched with the synchronizing pulley block (83).

10. A pneumatic lift table as defined in claim 9 wherein: the synchronous rope (81), the synchronous wheel carrier (82) and the synchronous pulley block (83) are arranged in two groups in a mirror image mode.

Technical Field

The invention belongs to the technical field of furniture, and particularly relates to a pneumatic lifting table.

Background

Height-adjustable lifting tables are available on the market in order to be able to accommodate users of different body heights or to enable persons to work in a standing position. The lifting table is mainly adjusted electrically, and a part of the lifting table is lifted manually. The manual lifting table mostly adopts a gas spring as a lifting power source, and the lifting can be adjusted by opening a gas spring switch.

However, most of the existing manual double-leg lifting tables are provided with gas springs in the double-leg upright posts respectively. Meanwhile, in the lifting process, air springs are respectively arranged in the two leg stand columns, so that the problem of asynchronism is easy to occur.

In addition, the lifting table partially provided with the synchronizing assembly adopts structures such as a bevel gear, a synchronizing shaft or a synchronizing shaft synchronous pulley, and the like, and has the problems of complex structure and high cost.

Disclosure of Invention

The invention provides a pneumatic lifting table, which only needs one gas spring, aiming at the defect that the gas springs are respectively arranged in the two leg upright posts of the existing manual type two-leg pneumatic lifting table. Furthermore, the synchronism is better, and the lift is more steady.

In order to achieve the purpose, the invention adopts the following technical scheme: a pneumatic lift table, comprising:

the main desk legs comprise main upper upright posts and main lower upright posts which are sleeved with each other;

the auxiliary table legs comprise an upper auxiliary upright post and a lower auxiliary upright post which are sleeved with each other;

the cross beam is provided with an accommodating groove and is fixedly connected with the upper main upright post of the main table leg and the upper auxiliary upright post of the auxiliary table leg respectively;

the table plate is fixedly connected with the cross beam;

the gas spring is fixed in the accommodating groove of the cross beam and is transversely arranged;

the wire control handle is connected with a switch of the gas spring;

the traction assembly comprises a traction rope, one end of the traction rope is fixedly connected with a piston rod of the gas spring, and the other end of the traction rope is fixedly connected with the main lower upright post;

and the synchronous component comprises a synchronous rope fixedly connected with the main lower upright post and the auxiliary lower upright post.

The pneumatic lifting table disclosed by the invention can realize lifting of the table top by only adopting one gas spring and through the gas spring, the traction assembly and the synchronization assembly.

As an improvement, the pneumatic lifting table further comprises a transverse guide assembly, the transverse guide assembly comprises a guide rail fixed in the accommodating groove and a sliding block matched with the guide rail, and the sliding block is fixedly connected with a piston rod of the gas spring. Set up horizontal direction subassembly and lead to the piston rod, prevent piston rod drunkenness or swing, guarantee to go up and down steadily.

As an improvement, the guide rails and the sliding blocks are two groups, and the sliding blocks are fixedly connected with a piston rod of the air spring through connecting columns, connecting blocks and connecting plates.

As an improvement, the slider is provided with a positioning hole, one end of the connecting column is matched with the positioning hole, the other end of the connecting column is an anti-rotation part, the connecting block is provided with an anti-rotation hole matched with the anti-rotation part, the end part of the connecting block is also provided with a threaded hole, the connecting plate is provided with a mounting hole matched with the threaded hole, and the connecting plate is provided with a through hole for the piston rod to pass through.

As an improvement, the pulling rope and the synchronous rope are respectively provided with a pulling wire nut piece and a pulling wire bolt for adjusting tightness, so that the lifting speed can be adjusted or the required force for descending can be adjusted.

As an improvement, the traction assembly further comprises an upper wheel frame fixedly connected with the main upper upright, a movable pulley block pivoted with the upper wheel frame, a lower wheel frame fixedly connected with the main lower upright and a fixed pulley pivoted with the lower wheel frame, and the traction rope is respectively matched with the movable pulley block and the fixed pulley.

As an improvement, the movable pulley block comprises two pulleys arranged at two ends of the upper wheel frame, and the fixed pulley is higher than the movable pulley at the lower end of the upper wheel frame; the fixed pulley and the movable pulley both comprise a bearing and a plastic piece.

As an improvement, the main upper upright column is arranged outside the main lower upright column, and the auxiliary upper upright column is arranged outside the auxiliary lower upright column; the main lower upright post and the upper end of the lower upright post are fixedly connected with a sliding guide assembly, and the sliding guide assembly comprises an annular cylinder and a plurality of rollers arranged on the annular cylinder.

As an improvement, the synchronizing component also comprises a synchronizing wheel frame fixedly connected with the main upper upright post and a synchronizing pulley block pivoted with the synchronizing wheel frame, and the synchronizing rope is matched with the synchronizing pulley block.

As an improvement, the synchronous ropes, the synchronous wheel carriers and the synchronous pulley blocks are arranged in two groups in a mirror image mode, and the synchronism is better.

As an improvement, the table plate is detachably connected with the cross beam, the main table legs and the auxiliary table legs, so that the maintenance is convenient.

The pneumatic lifting table has the beneficial effects that: only one gas spring is adopted, and the adjustment of the lifting of the table top is realized by the gas spring, the traction assembly and the synchronization assembly. Furthermore, two groups of synchronous ropes, synchronous wheel carriers and synchronous pulley blocks of the synchronous assembly are provided, so that the lifting synchronism is better; the table plate is detachable and convenient to maintain.

Drawings

Fig. 1 is a schematic structural view of a pneumatic lifting table according to a first embodiment of the present invention.

Fig. 2 is a schematic perspective view of a hidden table plate of the pneumatic lifting table according to the first embodiment of the invention.

Fig. 3 is a top view of the pneumatic lifting table according to the first embodiment of the present invention after the table board is hidden.

Fig. 4 is a schematic structural diagram of the pneumatic lifting table according to the first embodiment of the present invention after the table plate and the column are hidden.

Fig. 5 is a schematic structural view of a lateral guide assembly of the pneumatic lifting table according to the first embodiment of the invention.

Fig. 6 is an exploded view of the lateral guide assembly of the pneumatic elevating table according to the first embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a traction assembly of the pneumatic lifting table according to the first embodiment of the invention.

Fig. 8 is a schematic structural diagram of a synchronization assembly of the pneumatic lifting table according to the first embodiment of the invention.

Fig. 9 is a schematic structural view of the main table leg of the pneumatic lifting table according to the first embodiment of the invention.

In the figure, 1, a main table leg, 11, a main upper upright post, 12, a main lower upright post, 13, a sliding guide component,

2. from the table legs, 21, from the upper uprights, 22, from the lower uprights, 13, the sliding guide assembly,

3. the cross beam is provided with a plurality of cross beams,

4. a table board, a table top and a table top,

5. a gas spring is arranged on the top of the shell,

6. a wire control handle is arranged on the wire control handle,

7. a traction component 71, a traction rope 72, a stay wire nut member 73, a stay wire bolt 74, an upper wheel frame 75, a movable pulley block 76, a lower wheel frame 77 and a fixed pulley,

8. a synchronizing component 81, a synchronizing rope 82, a synchronizing wheel frame 83, a synchronizing pulley block 72, a stay wire nut 73 and a stay wire bolt,

9. the device comprises a transverse guide assembly 91, a guide rail 92, a sliding block 93, a connecting column 94, a connecting block 95 and a connecting plate.

Detailed Description

The technical solutions of the embodiments of the present invention will be explained and explained below with reference to the drawings of the embodiments of the present invention, but the embodiments described below are only preferred embodiments of the present invention, and are not all embodiments. Other embodiments obtained by persons skilled in the art without any inventive work based on the embodiments in the embodiment belong to the protection scope of the invention.

Referring to fig. 1 to 9, a pneumatic lifting table of the present invention includes:

the main desk legs comprise main upper upright posts and main lower upright posts which are sleeved with each other;

the auxiliary table legs comprise an upper auxiliary upright post and a lower auxiliary upright post which are sleeved with each other;

the cross beam is provided with an accommodating groove and is fixedly connected with the upper main upright post of the main table leg and the upper auxiliary upright post of the auxiliary table leg respectively;

the table plate is fixedly connected with the cross beam;

the gas spring is fixed in the accommodating groove of the cross beam and is transversely arranged;

the wire control handle is connected with a switch of the gas spring;

the traction assembly comprises a traction rope, one end of the traction rope is fixedly connected with a piston rod of the gas spring, and the other end of the traction rope is fixedly connected with the main lower upright post;

and the synchronous component comprises a synchronous rope fixedly connected with the main lower upright post and the auxiliary lower upright post.

The pneumatic lifting table disclosed by the invention can realize lifting of the table top only by adopting one gas spring and through the gas spring, the traction assembly and the synchronization assembly; the assembly and maintenance are also more convenient.