CN211833353U - Single-column lifting column - Google Patents
Single-column lifting column Download PDFInfo
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- CN211833353U CN211833353U CN201922290967.9U CN201922290967U CN211833353U CN 211833353 U CN211833353 U CN 211833353U CN 201922290967 U CN201922290967 U CN 201922290967U CN 211833353 U CN211833353 U CN 211833353U
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- column
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- pipe
- controllable spring
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Abstract
The utility model discloses a single-column lifting column, which comprises a jacking; the lifting pipe is fixed on the jacking; the controllable spring is used for controlling the lifting pipe to lift, and a piston rod and a steel pipe are respectively arranged at two ends of the controllable spring; the switch assembly is fixed on the jacking support and is fixedly connected with the piston rod; the guide post is used for controlling the motion direction of the lifting pipe, the guide post is sleeved outside the lifting pipe, and the guide post is fixedly connected with the steel pipe; the guide strip is fixed on the outer wall of the lifting pipe and is attached to the inner wall of the guide column; the outer sleeve is sleeved outside the guide column and is fixedly connected with the jacking. The utility model provides a single-column lifting column realizes the lift of desk, satisfies the demand of different crowds to the desk height, and simple structure is reasonable, environmental protection, convenient operation, places steadily.
Description
Technical Field
The utility model relates to a desk accessory especially relates to a single-column lifting column.
Background
The desk is a common object in daily life, the desk generally used at present usually has a fixed height, but the existing office desk with the fixed height can not adapt to and meet the all-round requirements of people on the functions of different office desks, can not adjust the height of the office desk additionally, is not in accordance with human engineering, and can not be used for long time to the health and the disadvantages of mental workers who sit for a long time, so that in order to meet the height requirements of different users on the desk, a plurality of manufacturers develop the desk with a lifting device, and a single-column lifting column is one of the single-column lifting devices.
The existing lifting device has a plurality of types, for example, a gear lifting mechanism is finely adjusted by matching a rack fixedly arranged on table legs with a gear arranged at the bottom of a table top, and a connecting rod is driven by gear meshing to lift the table top, so that the fine adjustment time is saved, but the gear meshing force is extremely large, dirty dust is easily accumulated at the meshing part which is not frequently used, and the table top is also easily damaged by clamping during adjustment. There are also electric lifting mechanisms, for example, "an electric lifting table" disclosed in the chinese patent literature, whose publication No. CN206822313U includes a table top and lifting table legs installed below the table top, a motor box is installed below the table top, and a lifting motor is installed in the motor box; a conductive rail is arranged in each lifting table leg, a power supply input interface is arranged at the position of the base below each lifting table leg, and the bottom end of each conductive rail is fixed on the base and electrically connected with the power supply input interface; the motor box is also internally provided with a power supply controller, and the top end of the conductor rail is electrically connected with the power supply controller; the base is also provided with an alternating current power supply output interface and a power supply overload protector, and the bottom end of the conductor rail is connected with the power supply overload protector. Although the lifting table realizes lifting of the table, the lifting table needs electric energy driving at the same time, is not environment-friendly, can not be adjusted when no electric energy exists, and has certain limitation.
SUMMERY OF THE UTILITY MODEL
The utility model relates to an overcome the problem that current elevating gear structure is complicated, electronic elevating gear is not environmental protection, provide a single-column lift post, realize the lift of desk, satisfy the demand of different crowds to the desk height, and simple structure is reasonable, environmental protection, convenient operation, place steadily.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a single-column lifting column comprises a top support; the lifting pipe is fixed on the jacking; the controllable spring is used for controlling the lifting pipe to lift, and a piston rod and a steel pipe are respectively arranged at two ends of the controllable spring; the switch assembly is fixed on the jacking support and is fixedly connected with the piston rod; the guide post is used for controlling the motion direction of the lifting pipe, the guide post is sleeved outside the lifting pipe, and the guide post is fixedly connected with the steel pipe; the guide strip is fixed on the outer wall of the lifting pipe and is attached to the inner wall of the guide column; the outer sleeve is sleeved outside the guide column and is fixedly connected with the jacking.
In the technical scheme, a single-column lifting column is an accessory on a table, a jacking is used for connecting the single-column lifting column and a table plate and is used for jacking up the table, a switch assembly is fixed on the jacking and is fixedly connected with a piston rod of a controllable spring, the switch assembly controls the opening and closing of the controllable spring, a lifting pipe, a guide column and an outer sleeve are sequentially sleeved outside the controllable spring from inside to outside, the lifting pipe is fixedly connected with the jacking and is used for adjusting the height of the table through the rising or falling of the lifting pipe to meet the requirements of different crowds on the height of the table, the guide column is fixedly connected with a steel pipe of the controllable spring and is used for guiding the lifting pipe, a guide strip is arranged between the guide column and the jacking and is used for further limiting the movement of the lifting pipe, so that the lifting pipe can only move in the axial direction, the stability of the table during lifting movement is improved, the lifting pipe is sleeved outside the guide column, outer tube and top support fixed connection, moreover, the steam generator is simple and reasonable in structure, when needs adjustment desk height, thereby open the switch subassembly and open controllable spring, through the inside atmospheric pressure of controllable spring through the piston rod promotion top support, because top support and fall way fixed connection, the top support drives the fall way and rises or descend along the guide post inner wall through the gib block, when reaching suitable position, close the switch subassembly, controllable spring is closed this moment, keep highly stable, and convenient for operation, it is steady to stop to place when reaching suitable position, and need not use the electricity in the use, environmental protection more.
Preferably, a rotation prevention stopper is fixed to the guide post.
Prevent changeing dog and guide post bolted connection, prevent effectively preventing that the setting of changeing the dog from preventing that the fall way from rotating, make the fall way can only axial motion, the fall way can only rise or descending movement promptly, has improved the steadiness of lift post at the lift in-process.
Preferably, the lifting pipe is of a square pipe structure, and the inner hole of the anti-rotation stop block is of a square structure corresponding to the square pipe structure.
The lifting pipe is arranged in a square pipe structure so as to be matched with an inner hole of the square structure of the anti-rotation stop block, and compared with a round pipe, the square pipe structure has edges and corners, so that the lifting pipe is easy to clamp during rotation, the rotation of the lifting pipe is easier to limit, and the stability of the single-column lifting column in the lifting process is effectively improved; compared with other polygonal tubes, the square tube is more common, does not need additional customization, is lower in cost and is more economical.
Preferably, the anti-rotation block is provided with a plurality of anti-rotation lugs, and the bottom of the guide column is provided with a lug insertion groove inserted with the anti-rotation lugs.
Prevent the bolted connection between rotatory dog and the guide post, and set up between rotatory dog and the guide post and prevent changeing lug and lug inserting groove, realize preventing changeing the secondary between dog and the guide post and fix, the location when still being convenient for prevent changeing dog and guide post bolted connection improves the installation effectiveness, has not only strengthened preventing changeing the firm in connection degree between dog and the guide post, still further prevents that the fall way from driving and prevents changeing the dog and rotate.
Preferably, a plurality of contact protrusions arranged in an array are arranged on the outer wall surface of the guide strip.
The contact bulge on the guide strip is attached to the inner wall surface of the guide column, so that a plurality of small-area contact surfaces are formed between the guide strip and the guide column, and the service life and the guide stability can be effectively improved by small-area and multipoint arrangement.
Preferably, the guide post is provided with a controllable spring connecting hole, the end face of the steel pipe is provided with a fixture block, and the controllable spring connecting hole is sleeved on the fixture block.
The guide post is connected with the steel pipe of the controllable spring, the connecting hole of the controllable spring is sleeved on the clamping block to limit the radial upward movement of the controllable spring, and the controllable spring is further stably connected with the guide post.
Preferably, a locking piece is arranged at the joint of the controllable spring connecting hole and the fixture block.
The arrangement of the locking sheet enables the controllable spring to be stably connected with the guide post, and meanwhile, the degree of freedom of the controllable spring is improved.
Preferably, the device further comprises a foot switch, and the foot switch is connected with the switch assembly.
The switch component can be opened by treading the foot switch, so that the controllable spring is opened to adjust the height, and the additional foot switch has the advantages that the height of the table can be adjusted by a user through the single-column lifting column while the user keeps a sitting posture, and the user can adjust the table to a proper height more quickly.
Therefore, the utility model discloses following beneficial effect has:
(1) the lifting of the table is realized, the requirements of different people on the height of the table are met, and the lifting table is simple and reasonable in structure, environment-friendly, convenient to operate and stable to place;
(2) the anti-rotation check block is arranged to effectively prevent the lifting pipe from rotating, so that the stability of the lifting column during lifting movement is improved;
(3) the guide strip is provided with a plurality of contact bulges, so that the service life and the guide stability are effectively improved;
(4) the locking piece is arranged between the controllable spring steel pipe and the guide post, so that the controllable spring is stably connected with the guide post, and the degree of freedom of the controllable spring is improved;
(5) the foot switch is additionally arranged, so that a user can adjust the desk to a proper height more quickly.
Drawings
Fig. 1 is a schematic diagram of an explosion structure of a single-column lifting column of the present invention;
FIG. 2 is a schematic structural view of a guide bar;
FIG. 3 is a schematic structural view of a guide post;
FIG. 4 is a schematic view of the anti-rotation stop;
FIG. 5 is a schematic structural diagram of a controllable spring;
fig. 6 is a cross-sectional view of a single-column lifting column of the present invention;
in the figure: 1. the device comprises a switch component 2, a jacking 3, an outer sleeve 4, a lifting pipe 5, an anti-rotation stop 501, an anti-rotation lug 6, a guide strip 601, a contact protrusion 7, a guide column 701, a lug insertion groove 702, a controllable spring connecting hole 8, a locking sheet 9, a controllable spring 901, a piston rod 902, a steel pipe 903 and a fixture block.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description.
Example 1:
as shown in fig. 1, 5, and 6, in embodiment 1, a single-column lifting column includes a top support 2, the top support 2 is used to connect a table, lifting of the top support 2 drives lifting of the table to adjust a height of the table, a lifting pipe 4 is fixed on the top support 2, lifting of the lifting pipe 4 changes a height of the single-column lifting column, a controllable spring 9 is disposed in the lifting pipe 4, the controllable spring 9 is used to push the top support 2, lifting of the top support 2 drives the lifting pipe 4 to ascend or descend, the controllable spring 9 includes a piston rod 901 and a steel pipe 902, an end of the piston rod 901 of the controllable spring 9 is connected to a switch assembly 1, the switch assembly 1 is used to control opening and closing of the controllable spring 9, and the switch assembly 1 is fixed on the top support 2; a guide post 7 is sleeved outside the lifting pipe 4, the guide post 7 is used for controlling the movement direction of the lifting pipe 4, in addition, the guide post 7 is also fixedly connected with a steel pipe 902 of the controllable spring 9, namely, one end of the controllable spring 9 is connected with the switch component 1, and the other end is connected with the guide post 7; an outer sleeve 3 is sleeved outside the guide post 7, and the outer sleeve 3 is fixedly connected with the jacking 2; in addition, a guide strip 6 is arranged between the lifting pipe 4 and the guide column 7, the guide strip 6 is fixed on the outer wall of the lifting pipe 4, the guide strip 6 is attached to the inner wall of the guide column 7, and the lifting pipe 4 can be conveniently lifted in the guide column 7 by the guide strip 6 and is not easy to clamp.
When the user need adjust the height of desk, thereby manually open switch module 1 opens controllable spring 9, inside atmospheric pressure on controllable spring 9 makes piston rod 901 move, because piston rod 901 is fixed with switch module 1, and switch module 1 fixes on top support 2, the elevating movement of piston rod 901 can promote top support 2 to carry out the oscilaltion motion, and top support 2 and elevator pipe 4 fixed connection, so top support 2 can drive elevator pipe 4 and rise or descend, in the process of elevator pipe 4 rising or descending, elevator pipe 4 can rise or descend along guide post 7 inner wall through guide strip 6, when the desktop height reaches suitable position, close switch module 1, thereby close controllable spring 9, keep desktop height stable.
Further, the jacking 2 and the lifting pipe 4, the jacking 2 and the switch assembly 1, and the jacking 2 and the outer sleeve 3 are respectively fixed through bolts; the guide strip 6 and the lifting pipe 4 are also fixedly connected by bolts; the guide post 7 and the controllable spring 9 are clamped, a controllable spring connecting hole 702 is formed in the guide post 7, a clamping block 903 is arranged on the end face of the steel pipe 902, and the controllable spring connecting hole 702 is sleeved on the clamping block 903 to realize clamping and stable connection.
Example 2:
as shown in fig. 3 and 4, the embodiment 2 is basically the same as the embodiment 1, except that: be fixed with on guide post 7 and prevent changeing dog 5, prevent changeing dog 5 and be used for preventing that fall way 4 from rotating, fall way 4 can only rise or the descending motion and can not rotate at the lift in-process promptly, prevent changeing dog 5 and pass through the bolt fastening on guide post 7, in addition, be provided with a plurality of lugs 501 that prevent changeing on preventing changeing dog 5, be provided with in the bottom of guide post 7 with prevent changeing lug 501 grafting lug inserting groove 701, prevent changeing lug 501 and peg graft in lug inserting groove 701, realized preventing changeing the secondary fixed between dog 5 and the guide post 7, still be convenient for accurate positioning when preventing changeing dog 5 and guide post 7 and carrying out bolted connection, improve the installation effectiveness.
Further, the elevator tube 4 is arranged to be of a square tube structure, and the inner hole of the anti-rotation stopper 5 is arranged to be of a square structure corresponding to the square tube structure, so that the elevator tube 4 is easily blocked by the anti-collision stopper when rotating, and the elevator tube 4 is limited to rotate.
Example 3:
as shown in fig. 2, the embodiment 3 is basically the same as the embodiment 1, except that: the contact bulges 601 arranged in a plurality of arrays are arranged on the surface of the outer wall of the guide strip 6, the contact bulges 601 on the guide strip 6 are attached to the inner wall surface of the guide column 7, so that a plurality of small-area contact surfaces are formed between the guide strip 6 and the guide column 7, and the service life and the guiding stability can be effectively improved by small-area and multi-point arrangement.
Example 4:
the embodiment 4 is basically the same as the embodiment 1, except that: the locking piece 8 is arranged at the joint of the controllable spring connecting hole 702 of the guide post 7 and the clamping block 903 of the controllable spring 9, and the arrangement of the locking piece 8 enables the controllable spring 9 to be stably connected with the guide post 7 and improves the degree of freedom of the controllable spring 9.
Example 5:
the embodiment 5 is basically the same as the embodiment 1, except that: a single-column lifting column further comprises a foot switch, the foot switch is in line connection with the switch component 1, the switch component 1 can be turned on by stepping down the foot switch, so that a controllable spring 9 is turned on to adjust the height, and the additional foot switch has the advantages that the height of a table can be adjusted by the single-column lifting column while the user keeps a sitting posture, and the table can be adjusted to a proper height by the user more quickly.
It should be noted that as used in the foregoing description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.
The above examples are only for illustrating the present invention and are not intended to limit the scope of the present invention. Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (8)
1. A single-column lifting column is characterized by comprising,
a jacking (2);
the lifting pipe (4), the lifting pipe (4) is fixed on the top support (2);
the controllable spring (9), the controllable spring (9) is used for controlling the lifting pipe (4) to lift, and the controllable spring (9) comprises a piston rod (901) and a steel pipe (902);
the switch component (1) is fixed on the jacking (2), and the switch component (1) is fixedly connected with the piston rod (901);
the guide post (7) is used for controlling the movement direction of the lifting pipe (4), the guide post (7) is sleeved outside the lifting pipe (4), and the guide post (7) is fixedly connected with the steel pipe (902);
the guide strip (6) is fixed on the outer wall of the lifting pipe (4), and the guide strip (6) is attached to the inner wall of the guide column (7);
the outer sleeve (3), the guide post (7) is established outward to outer sleeve (3) cover, outer sleeve (3) with top support (2) fixed connection.
2. A single-column lifting column as claimed in claim 1, characterised in that an anti-rotation stop (5) is fixed to the guide column (7).
3. The single-column lifting column as claimed in claim 2, wherein the lifting tube (4) is provided in a square tube structure, and the inner hole of the anti-rotation block (5) is provided in a square structure corresponding to the square tube structure.
4. A single-column lifting column as claimed in claim 2, wherein the rotation-preventing block (5) is provided with a plurality of rotation-preventing protrusions (501), and the bottom of the guide column (7) is provided with a protrusion insertion groove (701) inserted with the rotation-preventing protrusions (501).
5. A single-column lifting column as claimed in claim 1, wherein a plurality of contact protrusions (601) are arranged in an array on the outer wall surface of the guide strip (6).
6. A single-column lifting column as claimed in claim 1, wherein a controllable spring connecting hole (702) is provided on the guide column (7), a clamping block (903) is provided on the end surface of the steel pipe (902), and the controllable spring connecting hole (702) is sleeved on the clamping block (903).
7. A single-column lifting column as claimed in claim 6, wherein a locking tab (8) is provided at the junction of the controllable spring attachment hole (702) and the latch block (903).
8. A single-column lifting column according to any of claims 1 to 7, further comprising a foot switch connected to the switch assembly (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290967.9U CN211833353U (en) | 2019-12-18 | 2019-12-18 | Single-column lifting column |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922290967.9U CN211833353U (en) | 2019-12-18 | 2019-12-18 | Single-column lifting column |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211833353U true CN211833353U (en) | 2020-11-03 |
Family
ID=73215826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922290967.9U Active CN211833353U (en) | 2019-12-18 | 2019-12-18 | Single-column lifting column |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211833353U (en) |
-
2019
- 2019-12-18 CN CN201922290967.9U patent/CN211833353U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee after: Ningbo Yili Industrial Co.,Ltd. Address before: No.66 Chunxiao xunhai Road, Beilun District, Ningbo City, Zhejiang Province Patentee before: NINGBO YILI SHOCK ABSORBER Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |