CN211269612U - Desk with adjustable height - Google Patents
Desk with adjustable height Download PDFInfo
- Publication number
- CN211269612U CN211269612U CN201921909996.2U CN201921909996U CN211269612U CN 211269612 U CN211269612 U CN 211269612U CN 201921909996 U CN201921909996 U CN 201921909996U CN 211269612 U CN211269612 U CN 211269612U
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- Prior art keywords
- adjusting screw
- height
- rotating
- desk
- sleeve
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Abstract
The utility model discloses a height-adjustable desk, which comprises a desktop and desk legs, wherein the lower part of each desk leg is provided with a height adjusting component, the height adjusting component comprises an adjusting screw rod, a rotating seat, a lower seat body and a rotating sleeve, the lower part of the adjusting screw rod is provided with a screw thread, the upper part of the adjusting screw rod is rotatably connected to the bottom of the desk leg, and the lower seat body is provided with a screw hole in threaded connection with the adjusting screw rod; the rotating seat is fixedly connected to the adjusting screw rod, and a plurality of transmission rods are formed on the rotating seat; rotate the sleeve cover and establish on table leg and pedestal down and can rotate round table leg and pedestal down, rotate the sleeve and cover the adjusting screw between table leg bottom and the pedestal down, rotate and be formed with the drive spout with a plurality of transfer line one-to-ones on the sleeve inner wall, drive spout sets up along rotating telescopic axial, and the transfer line is kept away from the one end slip joint of rotating the seat in the drive spout, the utility model has the characteristics of adjust convenient safety.
Description
Technical Field
The utility model relates to a desk field, concretely relates to height-adjustable's desk.
Background
The desk is furniture for people to read books and study, and has a good using effect. As children age, the height of the child increases. If the desk is used for learning after being lifted and increased, the kyphosis and the myopia of the children are easy to occur.
There is the adjustable desk of height-adjusting through the screw thread on the market now, but has the screw thread and expose, adjust the trouble and can spontaneous whereabouts along with the touching of desk and lead to the shortcoming that the table leg is uneven, and children are lively good, and metal thread cuts the finger easily when children use.
In view of the above, the present inventors have made extensive studies on the above-mentioned drawbacks of the prior art, and have made this invention.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a desk with adjustable height, which is characterized by convenient and safe adjustment.
In order to achieve the above purpose, the solution of the present invention is:
a desk with adjustable height comprises a desktop and desk legs, wherein the lower part of each desk leg is provided with a height adjusting assembly, each height adjusting assembly comprises an adjusting screw, a rotating seat, a lower seat body and a rotating sleeve, the lower part of each adjusting screw is provided with a thread, the upper part of each adjusting screw is rotatably connected to the bottom of the corresponding desk leg, and the lower seat body is provided with a threaded hole in threaded connection with the corresponding adjusting screw; the rotating seat is fixedly connected to the adjusting screw rod, and a plurality of transmission rods are formed on the rotating seat; rotate the sleeve cover and establish the table leg with down on the pedestal and can round the table leg with down the pedestal rotates, rotate the sleeve and cover table leg bottom with adjusting screw between the pedestal down, be formed with on the rotation sleeve inner wall with a plurality of the drive spout of transfer line one-to-one, the drive spout along rotate telescopic axial setting, the transfer line is kept away from the one end slip joint of rotating the seat is in the drive spout.
Furthermore, a rotating installation shaft with the diameter larger than that of the adjusting screw rod is formed at the upper part of the adjusting screw rod, a rotating installation hole matched with the rotating installation shaft is formed at the bottom of the table leg, and the rotating installation shaft is rotatably connected in the rotating installation hole; the adjusting screw below the rotating installation shaft is sleeved with a fixed end cover, the fixed end cover is fixedly arranged on the lower end face of the table leg through a fixing piece, and the fixed end cover abuts against the lower surface of the rotating installation shaft.
Furthermore, the adjusting screw and the rotating seat are both provided with fixing holes, and the rotating seat is fixedly connected with the adjusting screw through fixing screws arranged in the fixing holes.
Furthermore, a vent hole communicated with the outside is formed at the bottom of the threaded hole in the lower seat body.
Further, the lower extreme of drive spout with the lower terminal surface of rotating the sleeve is linked together, lower external lateral wall of seat below be formed with be used for with the locking fixture block of drive spout joint.
Further, the transmission rods are four transmission rods distributed around the adjusting screw rod at intervals of 90 degrees in the axial direction, and two adjacent driving sliding grooves are spaced at intervals of 90 degrees on the inner wall of the rotating sleeve.
Furthermore, the number of the locking fixture blocks on the lower seat body is twelve, and the interval between the adjacent locking fixture blocks is 30 degrees.
Furthermore, the number of the locking fixture blocks on the lower seat body is six, and the interval between every two adjacent locking fixture blocks is 60 degrees; between two adjacent drive spouts rotate telescopic inner wall be formed with can with two locking spouts of locking fixture block joint, the lower extreme of locking spout with it is linked together to rotate telescopic lower terminal surface, equal interval 30 degrees between adjacent locking spout and the drive spout.
Further, be formed with anti-skidding supporting pad on the lower terminal surface of lower seat body, anti-skidding supporting pad bottom is formed with anti-skidding decorative pattern, the width of anti-skidding supporting pad is greater than rotate telescopic inner chamber diameter.
Furthermore, an upper limiting ring is formed on the table leg above the rotating sleeve, and the distance from the lower surface of the upper limiting ring to the upper surface of the lower seat body is smaller than the height of the rotating sleeve.
After the structure of the utility model is adopted, the utility model relates to a height-adjustable desk, it has following beneficial effect at least:
when the height of the table legs needs to be adjusted, a user rotates the rotating sleeve, the driving sliding groove in the rotating sleeve drives the transmission rod to rotate and further drive the adjusting screw rod to rotate, the lower seat body is fixed or fixed by hands under the action of friction force with the ground, and due to the fact that the adjusting screw rod is in threaded connection with the threaded hole in the lower seat body, along with the rotation of the adjusting screw rod, the lower seat body and the distance between the table legs is changed, and therefore height adjustment is achieved.
And secondly, the rotating sleeve covers the adjusting screw rod between the bottom of the table leg and the lower seat body, so that the thread of the adjusting screw rod is isolated from the outside in the adjusting process, and the danger that children are cut by the thread is reduced.
Thirdly, the rotating sleeve enlarges the rotating moment and is convenient to grasp, so that the rotation during height adjustment is more convenient, and children can adjust the height of the desk legs conveniently.
And fourthly, a locking clamping block used for being clamped with the driving sliding groove is formed below the outer side wall of the lower seat body. After the height adjustment is finished, the rotating sleeve falls downwards, and the driving sliding groove of the rotating sleeve is connected with the locking clamping block in a clamping mode. Thereby make lower pedestal with adjusting screw simultaneously with the sleeve joint rotates, adjusting screw's screw thread with rotation between the screw hole receives the restriction to reduced because the desktop rocks and lead to the spontaneous small rotation of screw thread and lead to height imbalance between the table leg.
Drawings
Fig. 1 is the utility model relates to a general structure diagram of a height-adjustable desk.
Fig. 2 is a structural schematic view of the utility model showing the usage status when adjusting the height of the table leg.
Fig. 3 and 4 are schematic sectional views of the height adjusting assembly.
Fig. 5 is an exploded view of the height adjustment assembly.
Fig. 6 is an exploded sectional view of the high speed adjustment assembly.
Fig. 7 is a schematic perspective view of the adjusting screw and the rotating base.
Fig. 8 is a perspective view of the rotating sleeve.
Fig. 9 is a schematic view of the internal structure of the rotating sleeve.
Fig. 10 is a schematic perspective view of the lower base.
In the figure: a tabletop 1; a drawer 11;
a table leg 2; a rotation mounting hole 21; a fixed end cap 22; a fixing member 23; an upper confinement ring 24; a height scale 25;
an adjusting screw 3; the mounting shaft 31 is rotated;
a rotating seat 4; a transmission rod 41; the fixing hole 42; a set screw 421;
a lower seat body 5; a threaded hole 51; a vent 511; a locking latch 52; anti-skid support pads 53; anti-slip patterns 531;
the sleeve 6 is rotated; a drive chute 61; the lock slide groove 62.
Detailed Description
In order to further explain the technical solution of the present invention, the present invention is explained in detail by the following embodiments.
As shown in fig. 1 to 10, the height-adjustable desk of the present invention comprises a desktop 1 and four legs 2 under the desktop 1, wherein a drawer 11 is formed under the desktop 1; a height adjusting assembly is arranged at the lower part of each table leg 2 and comprises an adjusting screw rod 3, a rotating seat 4, a lower seat body 5 and a rotating sleeve 6, threads are formed at the lower part of the adjusting screw rod 3, the upper part of the adjusting screw rod 3 is rotatably connected to the bottom of the table leg 2, and a threaded hole 51 in threaded connection with the adjusting screw rod 3 is formed in the lower seat body 5; the rotating seat 4 is fixedly connected to the adjusting screw rod 3, and a plurality of transmission rods 41 are formed on the rotating seat 4; rotate sleeve 6 cover and establish table leg 2 with down on the pedestal 5 and can round table leg 2 with pedestal 5 rotates down, it covers to rotate sleeve 6 table leg 2 bottom with adjusting screw 3 between the pedestal 5 down, be formed with on 6 inner walls of rotation sleeve with a plurality of the drive spout 61 of transfer line 41 one-to-one, drive spout 61 along the axial setting of rotation sleeve 6, transfer line 41 keeps away from the one end slip joint that rotates seat 4 is in the drive spout 61.
Thus, the utility model relates to a height-adjustable's desk, when needing to adjust the height of table leg 2, the user rotates rotating sleeve 6, drive spout 61 in the rotating sleeve 6 drives transfer line 41 rotates, and then drives adjusting screw 3 rotates, and lower pedestal 5 is fixed or is being held by hand under the frictional force with ground, because adjusting screw 3 with screw hole 51 threaded connection on the pedestal 5 down, along with adjusting screw 3's rotation, lower pedestal 5 with interval between the table leg 2 obtains changing to realize altitude mixture control. Because the rotating sleeve 6 covers the adjusting screw rod 3 between the bottom of the table leg 2 and the lower seat body 5, the threads of the adjusting screw rod 3 are isolated from the outside in the adjusting process, and the danger that children are cut by the threads is reduced.
Preferably, a rotating installation shaft 31 with a diameter larger than that of the adjusting screw 3 is formed at the upper part of the adjusting screw 3, a rotating installation hole 21 matched with the rotating installation shaft 31 is formed at the bottom of the table leg 2, and the rotating installation shaft 31 is rotatably connected in the rotating installation hole 21; the adjusting screw 3 below the rotating installation shaft 31 is sleeved with a fixed end cover 22, the fixed end cover 22 is fixedly arranged on the lower end face of the table leg 2 through a fixing part 23, the fixing part 23 is like a screw, and the fixed end cover 22 abuts against the lower surface of the rotating installation shaft 31. This facilitates the mounting of the adjustment screw 3 to the table leg 2, and the fixing end cap 22 limits the axial movement of the adjustment screw 3.
Preferably, a fixing hole 42 is formed on each of the adjusting screw rod 3 and the rotating seat 4, and the rotating seat 4 is fixedly connected with the adjusting screw rod 3 through a fixing screw 421 arranged in the fixing hole 42. The rotating seat 4 and the adjusting screw rod 3 are detachably connected through the fixing screw 421, so that the rotating seat 4 is convenient to produce and manufacture, and the replacement of the damaged rotating seat 4 is facilitated.
Preferably, in order to reduce the influence of the air pressure change in the threaded hole 51 when the adjusting screw 3 rotates in the threaded hole 51, a vent hole 511 communicating with the outside is formed at the bottom of the threaded hole 51 on the lower seat body 5. The balance of the internal air pressure and the external air pressure is realized through the vent holes 511, and the resistance of the rotation of the adjusting screw rod 3 is reduced.
Preferably, the lower end of the driving sliding groove 61 is communicated with the lower end surface of the rotating sleeve 6, and a locking block 52 for being clamped with the driving sliding groove 61 is formed below the outer side wall of the lower seat body 5. A locking clamping block 52 used for being clamped with the driving sliding groove 61 is formed below the outer side wall of the lower seat body 5. After the height adjustment is finished, the rotating sleeve 6 falls down, and the driving sliding groove 61 of the rotating sleeve 6 is connected with the locking clamping block 52 in a clamping mode. Thereby make lower pedestal 5 with adjusting screw 3 simultaneously with rotating sleeve 6 joint, adjusting screw 3's screw with rotation between the screw hole 51 receives the restriction to reduced because desktop 1 rocks and leads to the spontaneous small rotation of screw thread and lead to height disequilibrium between the table leg 2. When the height needs to be adjusted, the rotating sleeve 6 is lifted upwards, the rotating sleeve 6 is separated from the locking fixture block 52, and then the rotating sleeve 6 can be rotated to achieve height adjustment.
Preferably, the transmission rods 41 are four transmission rods 41 axially spaced by 90 degrees around the adjusting screw 3, and two adjacent driving sliding grooves 61 are spaced by 90 degrees on the inner wall of the rotating sleeve 6. The transmission rod 41 is clamped with the driving sliding groove 61 from four directions, and the clamping stability is guaranteed.
Preferably, the number of the locking blocks 52 on the lower seat body 5 is twelve, and the adjacent locking blocks 52 are spaced by 30 degrees. Therefore, the minimum position difference of the clamping connection between the driving sliding groove 61 and the locking clamping block 52 is 30 degrees, and the minimum height of the two times of table leg 2 adjustment can be 1/12 thread lead, so that the height adjustment of the table leg 2 is easier.
Preferably, as a second embodiment of the locking latch 52, the number of the locking latches 52 on the lower seat body 5 is six, and adjacent locking latches 52 are spaced by 60 degrees; the inner wall of the rotating sleeve 6 between the two adjacent driving sliding grooves 61 is formed with two locking sliding grooves 62 which can be connected with the locking clamping blocks 52 in a clamping mode, the lower end of each locking sliding groove 62 is communicated with the lower end face of the rotating sleeve 6, and the adjacent locking sliding grooves 62, the adjacent locking sliding grooves 62 and the adjacent driving sliding grooves 61 are spaced by 30 degrees. The quantity of locking fixture block 52 on the lower base body 5 has been reduced like this, through form 12 spouts of equal angular interval on the rotating sleeve 6 inner wall, realize drive spout 61 with the minimum position difference of locking fixture block 52 joint is 30 degrees, and the height that twice table leg 2 was adjusted can be for 1/12 screw leads least, makes table leg 2 height adjustment easier.
In order to increase the friction force between the lower base 5 and the ground and to facilitate the height adjustment of the table legs 2, an anti-slip support pad 53 is formed on the lower end surface of the lower base 5, and anti-slip patterns 531 are formed at the bottom of the anti-slip support pad 53. The width of the anti-skid supporting pad 53 is larger than the diameter of the inner cavity of the rotating sleeve 6, so that the lower end face of the rotating sleeve 6 can be abutted against the anti-skid supporting pad 53, and the limiting of the lowest position of the rotating sleeve 6 is realized.
Preferably, an upper limit ring 24 is formed on the table leg 2 above the rotating sleeve 6, and the distance from the lower surface of the upper limit ring 24 to the upper surface of the lower seat body 5 is smaller than the height of the rotating sleeve 6. Through setting up go up spacing ring 24 for among the adjusting screw 3 adjustment process, avoid rotating sleeve 6 and upwards moving too much distance, guarantee that rotating sleeve 6 can be better cover adjusting screw 3. Furthermore, height scales 25 are formed on the table legs 2 between the upper limiting ring 24 and the upper end of the rotating sleeve 6, when the lower end of the rotating sleeve 6 abuts against the ground or the anti-skid supporting pad 53, the height scales 25 indicated by the upper end of the rotating sleeve are the height of the table legs 2 at the moment, and the height scales 25 are arranged, so that the four table legs 2 can be conveniently adjusted to the same height.
The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.
Claims (10)
1. A desk with adjustable height comprises a desktop and desk legs and is characterized in that a height adjusting assembly is arranged at the lower part of each desk leg, each height adjusting assembly comprises an adjusting screw rod, a rotating seat, a lower seat body and a rotating sleeve, threads are formed at the lower part of each adjusting screw rod, the upper part of each adjusting screw rod is rotatably connected to the bottom of the corresponding desk leg, and a threaded hole in threaded connection with each adjusting screw rod is formed in the lower seat body; the rotating seat is fixedly connected to the adjusting screw rod, and a plurality of transmission rods are formed on the rotating seat; rotate the sleeve cover and establish the table leg with down on the pedestal and can round the table leg with down the pedestal rotates, rotate the sleeve and cover table leg bottom with adjusting screw between the pedestal down, be formed with on the rotation sleeve inner wall with a plurality of the drive spout of transfer line one-to-one, the drive spout along rotate telescopic axial setting, the transfer line is kept away from the one end slip joint of rotating the seat is in the drive spout.
2. The height-adjustable desk according to claim 1, wherein the upper portion of the adjusting screw is formed with a rotation installation shaft having a larger diameter than the adjusting screw, and the bottom of the leg is formed with a rotation installation hole engaged with the rotation installation shaft, the rotation installation shaft being rotatably coupled in the rotation installation hole; the adjusting screw below the rotating installation shaft is sleeved with a fixed end cover, the fixed end cover is fixedly arranged on the lower end face of the table leg through a fixing piece, and the fixed end cover abuts against the lower surface of the rotating installation shaft.
3. The height-adjustable desk according to claim 1, wherein fixing holes are formed at the adjusting screw and the rotating base, and the rotating base is fixedly coupled to the adjusting screw by means of fixing screws provided in the fixing holes.
4. The height-adjustable desk according to claim 1, wherein a vent hole communicating with the outside is formed at the bottom of the screw hole of the lower body.
5. The desk with adjustable height of claim 1, wherein the lower end of the driving sliding groove is communicated with the lower end surface of the rotating sleeve, and a locking block for being clamped with the driving sliding groove is formed below the outer side wall of the lower base body.
6. The height adjustable desk of claim 5, wherein the transmission bars are four transmission bars spaced 90 degrees apart axially around the adjustment screw, and adjacent two of the drive chutes are spaced 90 degrees apart on the inner wall of the rotating sleeve.
7. The height-adjustable desk of claim 6, wherein the number of the locking blocks on the lower base body is twelve, and adjacent locking blocks are spaced apart by 30 degrees.
8. The height-adjustable desk of claim 6, wherein the number of the locking blocks on the lower base body is six, and adjacent locking blocks are spaced by 60 degrees; between two adjacent drive spouts rotate telescopic inner wall be formed with can with two locking spouts of locking fixture block joint, the lower extreme of locking spout with it is linked together to rotate telescopic lower terminal surface, equal interval 30 degrees between adjacent locking spout and the drive spout.
9. The height-adjustable desk according to claim 1, wherein the lower body is formed at a lower end thereof with a non-slip support pad having a non-slip pattern formed at a bottom thereof, and the non-slip support pad has a width greater than a diameter of the inner cavity of the rotating sleeve.
10. A height adjustable desk as claimed in claim 1, wherein an upper limit ring is formed on the leg above the rotary sleeve, and a distance from a lower surface of the upper limit ring to an upper surface of the lower body is smaller than a height of the rotary sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921909996.2U CN211269612U (en) | 2019-11-07 | 2019-11-07 | Desk with adjustable height |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921909996.2U CN211269612U (en) | 2019-11-07 | 2019-11-07 | Desk with adjustable height |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211269612U true CN211269612U (en) | 2020-08-18 |
Family
ID=72024466
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921909996.2U Expired - Fee Related CN211269612U (en) | 2019-11-07 | 2019-11-07 | Desk with adjustable height |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211269612U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847638A (en) * | 2022-03-31 | 2022-08-05 | 凌云志 | Office table convenient to adjust |
-
2019
- 2019-11-07 CN CN201921909996.2U patent/CN211269612U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114847638A (en) * | 2022-03-31 | 2022-08-05 | 凌云志 | Office table convenient to adjust |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20211107 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |