CN210930150U - Hand-operated tatami lifting table - Google Patents
Hand-operated tatami lifting table Download PDFInfo
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- CN210930150U CN210930150U CN201921706876.2U CN201921706876U CN210930150U CN 210930150 U CN210930150 U CN 210930150U CN 201921706876 U CN201921706876 U CN 201921706876U CN 210930150 U CN210930150 U CN 210930150U
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Abstract
The utility model discloses a hand-operated tatami elevating platform, which comprises a base, a bedplate, a telescopic sleeve group and an elevating mechanism, wherein the telescopic sleeve group comprises a lower sleeve and an upper sleeve, the elevating mechanism comprises a bottom screw sleeve, a middle screw tube, a top screw rod and a connecting sleeve which can move up and down along the upper sleeve, the bottom screw sleeve is fixed on the base, the outer side wall of the middle screw tube is in threaded connection with the inner side wall of the bottom screw sleeve, the connecting sleeve comprises a bearing part and a nut part which is fixedly connected with the bearing part, the bearing part is sleeved at the top of the middle screw tube, the outer side wall of the top screw rod is in threaded fit with the nut part and extends into the inner side of the middle screw tube, the top screw rod is provided with a slide rail part which is matched with the slide rail part, so that the slide rail part can move up and down along the slide rail part, the slide rail part forms a joint with the slide rail part, the upper sleeve is clamped with the connecting sleeve to limit the rotation of the connecting sleeve relative to the upper sleeve.
Description
Technical Field
The utility model relates to the field of furniture, especially, relate to a hand formula tatami elevating platform.
Background
Hand formula tatami elevating platform is the furniture that can go up and down, and the user generally uses the rocking handle to come the manual work to control the elevating platform, at the in-process that rises or descends of control elevating platform, the user need wave the rocking handle in succession to make the flexible screw rod in the elevating platform flexible, just can realize the lift of tatami elevating platform. In the process of operating the lifting platform, a user needs to shake the rocking handle for a long time, so that the operation is inconvenient.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a hand-operated tatami elevating platform, which can enable a user to control the ascending or descending of the elevating platform more quickly so as to ensure that the control process becomes more convenient.
The purpose of the utility model is realized by adopting the following technical scheme:
a hand-operated tatami lifting table comprises a base, a table plate, a telescopic sleeve group positioned between the base and the table plate and a lifting mechanism positioned on the inner side of the telescopic sleeve group, wherein the telescopic sleeve group comprises a lower sleeve fixedly connected with the base and an upper sleeve fixedly connected with the table plate, the lifting mechanism comprises a bottom screw sleeve, a middle screw tube, a top screw rod and a connecting sleeve capable of moving up and down along the upper sleeve, the bottom screw sleeve is fixed on the base, the outer side wall of the middle screw tube is in threaded connection with the inner side wall of the bottom screw sleeve, the connecting sleeve comprises a bearing part and a nut part fixedly connected with the bearing part, the bearing part is sleeved on the top of the middle screw tube, the outer side wall of the top screw rod is in threaded fit with the nut part and extends into the inner side of the middle screw tube, and the top screw rod is provided with a sliding block part, the inner wall of middle part screwed pipe be provided with be used for with slider portion complex slide rail portion, so that the top screw rod can be followed slide rail portion reciprocates, slider portion with slide rail portion forms the joint, so that the top screw rod with the middle part screwed pipe can rotate in step, go up the sleeve with the adapter sleeve joint, in order to restrict the adapter sleeve is relative go up telescopic rotation.
Further, the sliding rail part is a linear clamping groove, and a clamping block matched with the linear clamping groove is arranged on the sliding block part; or the sliding rail part is a linear clamping strip, and the sliding block part is provided with a clamping groove matched with the linear clamping strip.
Further, the telescopic sleeve group further comprises a middle sleeve, the middle sleeve is arranged on the inner side of the lower sleeve and can move up and down along the lower sleeve, and the upper sleeve is arranged on the inner side of the middle sleeve and can move up and down along the middle sleeve.
Furthermore, the top screw is provided with a chuck matched with the rocking handle, and the chuck is positioned at the top of the top screw and extends out of the upper part of the bedplate.
Further, the slide block is positioned at the bottom of the top screw.
Further, the connecting sleeve further comprises a clamping plate portion, and the bearing portion and the nut portion are located on two opposite sides of the clamping plate portion respectively.
Further, the bayonet socket has been seted up to the cardboard portion, the bayonet socket with go up telescopic inner wall joint.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model discloses a hand-operated tatami elevating platform, because the nut part of the connecting sleeve is in threaded fit with the top screw rod, when the connecting sleeve and the top screw rod rotate relatively, the two can move up and down relatively; because the bearing part of the connecting sleeve is sleeved at the top of the middle solenoid, the connecting sleeve can freely rotate around the middle solenoid without the limitation of the upper sleeve;
when a user rotates the top screw rod by using the rocking handle, assuming that the user controls the lifting platform to ascend/descend, the top screw rod and the middle screw tube rotate synchronously, so that the middle screw tube rotates relative to the bottom screw sleeve to ascend/descend, the top screw rod per se can ascend/descend along with the middle screw tube, at the moment, the connecting sleeve cannot rotate due to the fact that the connecting sleeve is limited by the upper sleeve, and therefore the top screw rod and the connecting sleeve rotate relatively, the top screw rod can ascend/descend relative to the connecting sleeve, namely the top screw rod can ascend/descend relative to the middle screw tube;
it can be seen that when the user controls the lifting platform to ascend/descend, the top screw rod can ascend/descend along with the middle screw tube, and the top screw rod can ascend/descend relative to the middle screw tube, so that when the user rotates the handle for one circle, the telescopic amplitude of the lifting mechanism becomes larger than that of the prior art, the user can control the ascending or descending of the lifting platform more quickly, and the control process becomes more convenient.
Drawings
Fig. 1 is a schematic structural view of a hand-operated tatami lifting table according to a preferred embodiment of the present invention;
fig. 2 is a schematic view of the internal structure of the hand-operated tatami lift shown in fig. 1;
FIG. 3 is an exploded view of the internal structure shown in FIG. 2;
fig. 4 is a schematic structural view of a middle screw tube and a connecting sleeve of the hand-operated tatami lifting table shown in fig. 1;
fig. 5 is a schematic view of a top screw of the hand-operated tatami lift shown in fig. 1;
fig. 6 is a cross-sectional view of a middle coil of the hand-operated tatami lift of fig. 1;
fig. 7 is a schematic structural view of an upper sleeve of the hand-operated tatami lift shown in fig. 1;
fig. 8 is a schematic structural view of a connecting sleeve of the hand-operated tatami lift shown in fig. 1.
In the figure: 1. a base; 2. a platen; 3. a telescopic sleeve group; 4. a lifting mechanism; 31. a lower sleeve; 32. a middle sleeve; 33. an upper sleeve; 41. a bottom threaded sleeve; 42. a middle coil; 43. a top screw; 44. connecting sleeves; 441. a bearing portion; 442. a nut portion; 431. a slider portion; 421. a slide rail portion; 432. a clamping block; 433. clamping a head; 443. a card plate portion; 444. and (4) a bayonet.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that the embodiments or technical features described below can be arbitrarily combined to form a new embodiment without conflict.
Referring to fig. 1 and 2, the hand-operated tatami lifting table comprises a base 1, a bedplate 2, a telescopic sleeve group 3 positioned between the base 1 and the bedplate 2 and a lifting mechanism 4 positioned on the inner side of the telescopic sleeve group 3, wherein the telescopic sleeve group 3 comprises a lower sleeve 31, a middle sleeve 32 and an upper sleeve 33, the lower sleeve 31 is fixedly connected with the base 1, the upper sleeve 33 is fixedly connected with the bedplate 2, the middle sleeve 32 is arranged on the inner side of the lower sleeve 31 and can move up and down along the lower sleeve 31, and the upper sleeve 33 is arranged on the inner side of the middle sleeve 32 and can move up and down along the middle sleeve 32.
Referring to fig. 2, 3, 4, 5, 6, 7 and 8, the lifting mechanism 4 includes a bottom screw sleeve 41, a middle screw tube 42, a top screw rod 43 and a connecting sleeve 44 capable of moving up and down along the upper sleeve 33, the bottom screw sleeve 41 is fixed on the base 1, an outer side wall of the middle screw tube 42 is in threaded connection with an inner side wall of the bottom screw sleeve 41, the connecting sleeve 44 includes a bearing portion 441 and a nut portion 442 fixedly connected with the bearing portion 441, the bearing portion 441 is sleeved on a top portion of the middle screw tube 42, an outer side wall of the top screw rod 43 is in threaded fit with the nut portion 442 and extends into an inner side of the middle screw tube 42, the top screw rod 43 is provided with a sliding block portion 431, an inner wall of the middle screw tube 42 is provided with a sliding rail portion 421 (refer to fig. 6) for matching with the sliding block portion 431, so that the sliding block portion 431 can move up and down along the sliding rail portion 421, the sliding block portion 431 is in clamping connection with, the upper sleeve 33 is engaged with the coupling sleeve 44 to restrict the rotation of the coupling sleeve 44 relative to the upper sleeve 33.
Specifically, referring to fig. 5 and 6, in the present embodiment, the slider portion 431 is located at the bottom of the top screw 43, the slide rail portion 421 is a linear slot, and the slider portion 431 is provided with a latch 432 matching with the linear slot; of course, other embodiments are also possible, for example, the sliding rail portion 421 is a linear clamping strip, and the sliding rail portion 431 is provided with a clamping groove matched with the linear clamping strip.
Specifically, referring to fig. 1 and 5, the top screw 43 is provided with a chuck 433 for engaging with a handle, the chuck 433 being located at the top of the top screw 43 and protruding above the bedplate 2.
Specifically, referring to fig. 4, the connecting sleeve 44 further includes a card plate portion 443, and the bearing portion 441 and the nut portion 442 are located on opposite sides of the card plate portion 443, respectively.
Specifically, referring to fig. 7 and 8, the catch plate portion 443 is opened with a catch 444 for catching with an inner wall of the upper sleeve 33.
In the hand-operated tatami lift of the present embodiment, since the nut portion 442 of the connecting sleeve 44 is threadedly engaged with the top screw 43, the connecting sleeve 44 and the top screw 43 move up and down relatively when they rotate relatively; since the bearing portion 441 of the connecting sleeve 44 is sleeved on the top of the middle solenoid 42, the connecting sleeve 44 can freely rotate around the middle solenoid 42 without the restriction of the upper sleeve 33;
when a user rotates the top screw 43 by using the rocking handle, assuming that the user wants to control the lifting platform to ascend/descend, since the top screw 43 and the middle screw 42 rotate synchronously, the middle screw 42 rotates relative to the bottom screw 41 to ascend/descend, so that the top screw 43 ascends/descends along with the middle screw 42, and at this time, since the connecting sleeve 44 is restricted by the upper sleeve 33 to be incapable of rotating, the top screw 43 and the connecting sleeve 44 rotate relatively, so that the top screw 43 ascends/descends relative to the connecting sleeve 44, that is, the top screw 43 ascends/descends relative to the middle screw 42;
it can be seen that when the user operates the lifting platform to ascend/descend, the top screw 43 will ascend/descend along with the middle screw tube 42, and the top screw 43 will ascend/descend relative to the middle screw tube 42, so that the stretching range of the lifting mechanism 4 becomes larger than the prior art when the user rotates the handle once, so that the user can operate the lifting platform to ascend or descend more quickly, and the operation process becomes more convenient.
The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.
Claims (7)
1. The utility model provides a hand formula tatami elevating platform, includes base, platen, is located the scalable sleeve group between base and the platen and is located the inboard elevating system of scalable sleeve group, scalable sleeve group include with base fixed connection's lower sleeve and with platen fixed connection's last sleeve, its characterized in that: the lifting mechanism comprises a bottom swivel nut, a middle swivel nut, a top screw and a connecting sleeve capable of moving up and down along the upper sleeve, the bottom swivel nut is fixed on the base, the outer side wall of the middle swivel nut is in threaded connection with the inner side wall of the bottom swivel nut, the connecting sleeve comprises a bearing portion and a nut portion fixedly connected with the bearing portion, the bearing portion is sleeved at the top of the middle swivel nut, the outer side wall of the top screw and the nut portion form threaded fit and extend into the inner side of the middle swivel nut, the top screw is provided with a sliding block portion, the inner wall of the middle swivel nut is provided with a sliding rail portion matched with the sliding block portion, so that the top screw can move up and down along the sliding rail portion, the sliding block portion and the sliding rail portion form clamping connection, so that the top screw and the middle swivel nut can synchronously, and the upper sleeve is clamped with the connecting sleeve, so as to limit the rotation of the connecting sleeve relative to the upper sleeve.
2. A hand-operated tatami lift as claimed in claim 1, characterized in that: the sliding rail part is a linear clamping groove, and a clamping block matched with the linear clamping groove is arranged on the sliding block part; or the sliding rail part is a linear clamping strip, and the sliding block part is provided with a clamping groove matched with the linear clamping strip.
3. A hand-operated tatami lift as claimed in claim 1, characterized in that: the telescopic sleeve group further comprises a middle sleeve, the middle sleeve is arranged on the inner side of the lower sleeve and can move up and down along the lower sleeve, and the upper sleeve is arranged on the inner side of the middle sleeve and can move up and down along the middle sleeve.
4. A hand-operated tatami lift as claimed in claim 1, characterized in that: the top screw is provided with a chuck matched with the rocking handle, and the chuck is positioned at the top of the top screw and extends out of the upper part of the bedplate.
5. A hand-operated tatami lift as claimed in claim 1, characterized in that: the sliding block is positioned at the bottom of the top screw rod.
6. A hand-operated tatami lift as claimed in any one of claims 1 to 5, characterized in that: the connecting sleeve further comprises a clamping plate portion, and the bearing portion and the nut portion are located on two opposite sides of the clamping plate portion respectively.
7. A hand-operated tatami lift as claimed in claim 6, characterized in that: the clamping plate part is provided with a bayonet which is clamped with the inner wall of the upper sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706876.2U CN210930150U (en) | 2019-10-12 | 2019-10-12 | Hand-operated tatami lifting table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921706876.2U CN210930150U (en) | 2019-10-12 | 2019-10-12 | Hand-operated tatami lifting table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210930150U true CN210930150U (en) | 2020-07-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921706876.2U Active CN210930150U (en) | 2019-10-12 | 2019-10-12 | Hand-operated tatami lifting table |
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| CN (1) | CN210930150U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590528A (en) * | 2020-07-21 | 2020-08-28 | 蓝箭航天空间科技股份有限公司 | Support device for spacecraft assembly |
-
2019
- 2019-10-12 CN CN201921706876.2U patent/CN210930150U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111590528A (en) * | 2020-07-21 | 2020-08-28 | 蓝箭航天空间科技股份有限公司 | Support device for spacecraft assembly |
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