CN213757101U

CN213757101U - Pneumatic desk

Info

Publication number: CN213757101U
Application number: CN202022548867.4U
Authority: CN
Inventors: 陆海荣; 张善明
Original assignee: Nantong Jiuzheng Ergonomic Co ltd
Current assignee: Nantong Jiuzheng Ergonomic Co ltd
Priority date: 2020-11-06
Filing date: 2020-11-06
Publication date: 2021-07-23
Anticipated expiration: 2030-11-06

Abstract

The utility model relates to a pneumatic office table, which comprises a table plate, a power component, a stand column assembly and a base; table and base are connected to the stand assembly, power component sets up in the stand assembly, provide power for the lift of table, the stand assembly includes the inner column, the outer column, sleeve pipe and stand connecting piece, stand connecting piece sets up the top at the stand assembly, be used for being connected of stand assembly and table, inner column and stand connecting piece fixed connection, outer column and base fixed connection, the lower extreme of inner column stretches into in the outer column, and the inner column is under power component's drive, can slide to the outer column relatively, the upper end at the outer column is established to the bushing cover, and sleeve pipe and stand connecting piece fixed connection, the sleeve pipe is followed the inner column and is gone up and down the action simultaneously. The utility model discloses a set up through inner column, outer column and sheathed tube and make pneumatic desk simple structure stable, easily dismantle the maintenance, the altitude mixture control scope is big, can avoid external dust to get into the stand assembly simultaneously.

Description

Pneumatic desk

Technical Field

The utility model relates to a mobile office table technical field especially relates to a pneumatic desk.

Background

In people's daily life, because the height adjustment that the adaptable user of different heights of lift table carries out the desk also can be suitable for different operational environment demands and widely used, but the height of current lift table regulation is not enough and the structure is complicated, when needs inspection maintenance, inconvenient dismantlement. Therefore, how to design a stepless height-adjustable pneumatic table with simple structure, easy disassembly and convenient transportation is a technical problem which needs to be solved by the technical personnel in the field at present. In view of the above problems, the designer actively makes research and innovation based on the practical experience and professional knowledge that the engineering application of the products is rich for many years, and cooperates with the application of the theory, so as to create a composite material upper skirt plate mold, which is more practical.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the pneumatic office table is simple in structure and easy to disassemble and can be adjusted in a stepless mode.

In order to achieve the above purpose, the utility model adopts the technical scheme that: a pneumatic office table comprises a table plate, a power component, an upright post assembly and a base, wherein the upright post assembly is connected with the table plate and the base, the power component is arranged in the upright post assembly and provides power for the lifting of the table plate, the upright post assembly comprises an inner upright post, an outer upright post, a sleeve and an upright post connecting piece, the upright post connecting piece is arranged at the top of the upright post assembly, is used for connecting the upright post assembly with the table plate, the inner upright post is fixedly connected with the upright post connecting piece, the outer upright post is fixedly connected with the base, the lower end of the inner upright post extends into the outer upright post, the inner upright post can slide relative to the outer upright post under the driving of the power assembly, the sleeve is sleeved at the upper end of the outer upright post, and the sleeve is fixedly connected with the upright post connecting piece, and the sleeve can simultaneously lift along with the inner upright post.

Furthermore, a ball retainer is arranged between the inner upright post and the outer upright post, and a plurality of ball grooves are formed in the ball retainer and used for placing balls, so that the ball retainer moves along the axial direction of the inner upright post. The high guiding precision and good motion stability are ensured.

Further, the inner side of the outer upright post is provided with a first slide way with an opening facing the axis of the outer upright post, and the first slide way is used for guiding the axial sliding of the ball retainer.

Furthermore, the included angle between two adjacent first slide ways is 120 degrees.

Further, be provided with ball laminating portion between two adjacent first slides, ball laminating portion be with the vertical plane of ball laminating makes the ball can set up in with rolling mode in ball laminating portion is last.

Furthermore, the top end of the outer stand column is provided with a limiting sleeve for limiting the sliding position of the ball retainer and the highest height of the table plate, and the ball retainer is prevented from sliding out of the connecting part of the inner stand column and the outer stand column.

Further, a plurality of second slides have been seted up to the inner column inboard, be provided with the screw thread in the second slide, realize being connected with dismantling of stand connecting piece through the fastener.

Further, the number of the ball retainers is three, and the three ball retainers are enclosed to form a triangular structure.

Furthermore, all set up connecting portion in ball groove both sides, connecting portion with the contained angle in ball groove is 120 degrees, be provided with card and structure on the connecting portion for connect two adjacent ball holders, the connecting portion edge is turned over outwards, inserts in the first slide, it is right to realize ball holder's direction.

The utility model has the advantages that:

1) the pneumatic office table of the utility model is provided with the independent upright post assembly, so that the whole pneumatic table has stable structure, smooth lifting, comfort and convenience,

2) the inner upright post and the outer upright post are arranged to have larger lifting height adjusting range, and simultaneously, the structure is simple, the disassembly and the maintenance are easy,

3) the clearance between interior stand and the outer stand can be shielded in the sheathed tube setting, and the gap that exposes between sleeve pipe and the outer stand can avoid external dust and other impurity to get into the stand assembly downwards and lead to difficult clear problem to and avoid heightening the tong problem that the in-process appears, improved this pneumatic desk's whole pleasing to the eye.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic view of the pneumatic desk of the present invention;

FIG. 2 is a schematic view of an outer shape structure of a column assembly according to an embodiment of the present invention;

FIG. 3 is a schematic view of the connection between the inner column and the outer column according to the embodiment of the present invention;

FIG. 4 is a schematic view of an internal structure of a column assembly according to an embodiment of the present invention;

FIG. 5 is a schematic view of the connection between the post assembly and the ball retainer according to the embodiment of the present invention;

fig. 6 is a schematic structural view of an outer column in an embodiment of the present invention;

fig. 7 is a schematic structural view of an inner column in an embodiment of the present invention;

FIG. 8 is a schematic structural view of a ball retainer according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a power assembly according to an embodiment of the present invention.

Reference numerals: the table comprises a table plate 1, a power component 2, a piston rod 21, a locking valve body 22, a first oil cavity 23, a second oil cavity 24, a floating piston 25, an air cavity 26, a valve needle 27, a column assembly 3, a base 4, an inner column 31, a second slideway 311, a fastener 314, an outer column 32, a first slideway 321, a ball attaching part 322, a sleeve 33, a column connecting part 34, a ball retainer 35, a ball groove 351, a ball 352, a connecting part 353, a clamping and structure 354, a bump structure 355, a bump clamping groove, a limiting sleeve 36 and a height adjusting handle 5.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the orientations or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like are based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-9, the pneumatic office table comprises a table plate 1, a power component 2, an upright post assembly 3 and a base 4, wherein the upright post assembly 3 is connected with the table plate 1 and the base 4, the power component 2 is arranged in the upright post assembly 3 to provide power for lifting the table plate 1, the upright post assembly 3 comprises an inner upright post 31, an outer upright post 32, a sleeve 33 and an upright post connecting piece 34, the upright post connecting piece 34 is arranged at the top of the upright post assembly 3, is used for connecting the upright post assembly 3 with the table board 1, the inner upright post 31 is fixedly connected with the upright post connecting piece 34, the outer upright post 32 is fixedly connected with the base 4, the lower end of the inner upright post 31 extends into the outer upright post 32, and the inner upright post 31 can slide relative to the outer upright post 32 under the driving of the power assembly 2, the sleeve 33 is sleeved at the upper end of the outer upright post 32, the sleeve 33 is fixedly connected with the column connecting piece 34, and the sleeve 33 can simultaneously perform lifting action along with the inner column 31.

The utility model discloses a pneumatic desk sets up independent stand assembly 3 and makes whole pneumatic desk, stable in structure, and it is smooth and easy and comfortable convenient to go up and down. The inner upright column 31 and the outer upright column 32 are arranged to have a larger lifting height adjusting range, and meanwhile, the lifting height adjusting device is simple in structure and easy to disassemble and maintain. The setting of sleeve pipe 33 can shield the clearance between interior stand 31 and the outer stand 32, and the gap that exposes between sleeve pipe 33 and the outer stand 32 can avoid external dust and other impurity to get into stand assembly 3 and lead to difficult clear problem down to and avoid heightening the hand clamping problem that the in-process appears, improved the whole pleasing to the eye of this pneumatic desk.

As the optimization of the above embodiment, be provided with ball retainer 35 between inner column 31 and the outer column 32, and be provided with a plurality of ball groove 351 on the ball retainer 35 for place ball 352, make ball retainer 35 along inner column 31 axial displacement, thereby guaranteed the utility model discloses there are higher direction precision and good motion stationarity.

As the optimization of the above embodiment, the inner side of the outer column 32 is provided with the first slide way 321 with an opening facing the axis of the outer column 32, the first slide way 321 is used for guiding the axial sliding of the ball retainer 35, the smoothness of the whole sliding is improved, the sliding precision is improved, and the utility model discloses holistic stability.

The power device is a gas spring assembly, when the switch control rod is started, the valve needle 27 sinks, the oil cavities are communicated, the external force is larger than the internal pressure of the gas spring, the valve body assembly of the piston rod 21 moves leftwards, more and more volume of the piston rod 21 enters the oil cavities in the compression process, redundant hydraulic oil is forced to enter the first oil cavity 23, the floating piston 25 moves leftwards, and the volume of the air cavity 26 is compressed leftwards. When the external pressure is lower than the internal pressure of the gas spring, the floating piston 25 is forced to move rightwards, the air chamber 26 is lifted and expanded rightwards, the hydraulic oil enters the first oil chamber 23 continuously due to the pressure, and the valve body assembly of the piston rod 21 moves rightwards.

Preferably, the included angle between two adjacent first sliding ways 321 is 120 degrees.

In the above embodiment, preferably, the ball bonding portion 322 is provided between two adjacent first slide rails 321, and the ball bonding portion 322 is a vertical plane bonded to the ball 352 so that the ball 352 can be provided on the ball bonding portion 322 in a rolling manner. The provision of the ball attaching portion 322 improves the smoothness when the ball retainer 35 slides on the inner wall of the outer column 32.

Preferably, as for the above embodiment, the top end of the outer upright column 32 is provided with a stop collar 36, which can limit the sliding position of the ball retainer 35, so as to avoid the damage of the pneumatic desk caused by the fact that the ball retainer 35 slides out of the connection part of the inner upright column 31 and the outer upright column 32 when the inner upright column 31 is lifted to the highest position, and meanwhile, the stop collar can limit the maximum distance that the inner upright column 3 can extend relative to the outer upright column 32 and the highest height of the desktop.

As a preferred example of the above embodiment, the inner side of the inner upright 31 is provided with a plurality of second sliding ways 311, a buffer member can be inserted into the second sliding ways 311, the buffer member is disposed between the power assembly 2 and the inner upright 31, the power assembly 2 can provide buffer in the descending process, so as to avoid damage to the power assembly 2 or the inner upright 31, meanwhile, the second sliding ways 311 are provided with threads, the detachable connection with the upright connecting member 34 is realized through a fastening member 314, the fastening member 314 is a bolt, and in practice, the fastening member 314 can also be another connecting member. The inner upright 31 can be fastened on the upright connecting piece 34 through the arrangement of the screw thread and the fastener 314, and the disassembly is convenient.

Preferably, in the above embodiment, three ball retainers 35 are provided, and the three ball retainers 35 enclose a triangular structure. The triangular stable structure is utilized to save materials and cost on the basis of ensuring stability and reliability, and meanwhile, the unsmooth sliding caused by the shaking deformation of the ball retainer 35 can be avoided.

Preferably, as for the above embodiment, the two sides of the ball groove 351 are both provided with the connecting portion 353, an included angle between the connecting portion 353 and the ball groove 351 is 120 degrees, the connecting portion 353 is provided with the engaging structure 354, the engaging structure 354 is a bump structure 355 and a bump engaging groove, the number of the bump engaging grooves is set according to the number of the bump structures 355, and when the ball cage is installed, the bump structures 355 are embedded into the bump engaging grooves, so that the connecting portions 353 on the two adjacent ball cages 35 are fixedly connected. Of course, other clips and structures 354 for connecting adjacent ball retainers 35 are within the scope of the present invention. The edge of the connecting portion 353 is turned over outward, and the edge turned-over portion is inserted into the first slide rail 321 to connect the ball retainer 35 and the outer column 32, so that the ball retainer 35 slides up and down under the guiding action of the first slide rail 321.

The utility model discloses pneumatic desk's use does: when the height adjusting handle 5 is pulled to push the valve needle 27 to sink, and when a predetermined force or more than a predetermined downward movement force is applied to the table plate 1, the first oil chamber 23 is communicated with the second oil chamber 24, the high-pressure nitrogen in the air chamber 26 pushes the piston rod 21 to move upwards, so that the inner upright column 31 extends out of the outer upright column 32, and the table plate 1 is lifted. If a predetermined force or more than the predetermined force is applied to the table top, the piston rod 21 moves downward to drive the inner column 31 to retract into the outer column 32, and the table top 1 is lowered. The height adjusting handle 5 is released, the valve needle 27 is reset under the action of high-pressure nitrogen, the first oil chamber 23 and the second oil chamber 24 are separated, the locking valve body 22 cannot axially move, the piston rod 21 fixed with the locking valve body is locked, and therefore the height of the table top is locked. Through the arrangement of the double oil cavities of the air spring, the lifting movement speed of the air spring is gentle, the stability and the controllable adjustment performance are high, and the air spring is not easy to damage.

It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A pneumatic office table is characterized by comprising a table plate (1), a power assembly (2), a stand column assembly (3) and a base (4);

the upright post assembly (3) is connected with the table plate (1) and the base (4), and the power assembly (2) is arranged in the upright post assembly (3) and provides power for the lifting of the table plate (1);

the upright post assembly (3) comprises an inner upright post (31), an outer upright post (32), a sleeve (33) and an upright post connecting piece (34),

stand connecting piece (34) set up the top of stand assembly (3) for stand assembly (3) with the connection of table (1), interior stand (31) with the connection can be dismantled in stand connecting piece (34), exterior stand (32) with base (4) can be dismantled, the lower extreme of interior stand (31) stretches into in exterior stand (32), and interior stand (31) can be relative under the drive of power component (2) exterior stand (32) slide, sleeve pipe (33) cover is established the upper end of exterior stand (32), just sleeve pipe (33) with stand connecting piece (34) fixed connection, sleeve pipe (33) are followed interior stand (31) and are gone up and down the action simultaneously.

2. Pneumatic desk according to claim 1, wherein a ball cage (35) is arranged between the inner upright (31) and the outer upright (32), and wherein a plurality of ball grooves (351) are arranged in the ball cage (35) for receiving balls (352) for axial movement of the ball cage (35) along the inner upright (31).

3. Pneumatic desk according to claim 2, wherein the outer upright (32) is provided inside with a first slideway (321) opening towards the axis of the outer upright (32), the first slideway (321) being intended to guide the axial sliding of the ball cage (35).

4. A pneumatic desk as claimed in claim 3 wherein adjacent first runners (321) are angled at 120 degrees.

5. The pneumatic desk of claim 3, wherein a ball attaching portion (322) is disposed between two adjacent first sliding ways (321), the ball attaching portion (322) is a vertical plane attached to the ball (352), so that the ball (352) can be disposed on the ball attaching portion (322) in a rolling manner.

6. Pneumatic desk according to claim 1, wherein a stop collar (36) is arranged between the inner upright (31) and the outer upright (32) for limiting the sliding position of the ball retainer (35) and the maximum height of the desk (1) and preventing the ball retainer (35) from sliding out of the connection part of the inner upright (31) and the outer upright (32).

7. The pneumatic desk of claim 1, wherein a plurality of second slide ways (311) are formed on the inner side of the inner upright (31), threads are formed in the second slide ways (311), and the second slide ways are detachably connected with the upright connecting piece (34) through fasteners (314).

8. Pneumatic desk according to claim 4, wherein the ball retainers (35) are provided in three, the three ball retainers (35) enclosing a triangular structure.

9. The pneumatic desk of claim 3, wherein connecting parts (353) are arranged on two sides of the ball groove (351), the angle between each connecting part (353) and the ball groove (351) is 120 degrees, a clamping structure (354) is arranged on each connecting part (353) and used for connecting two adjacent ball retainers (35), the edges of the connecting parts (353) are outwards folded and inserted into the first slide ways (321) to achieve guiding of the ball retainers (35).