CN104397998A - Liftable desk - Google Patents
Liftable desk Download PDFInfo
- Publication number
- CN104397998A CN104397998A CN201410711849.XA CN201410711849A CN104397998A CN 104397998 A CN104397998 A CN 104397998A CN 201410711849 A CN201410711849 A CN 201410711849A CN 104397998 A CN104397998 A CN 104397998A
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- CN
- China
- Prior art keywords
- outer tube
- fork
- slide bar
- upper boom
- resetting block
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B41/00—School desks or tables
- A47B41/02—Adjustable, inclinable, sliding or foldable desks tops
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- Tables And Desks Characterized By Structural Shape (AREA)
Abstract
The invention discloses a liftable desk. Supporting angle legs are arranged at the lower end of a desktop. The liftable desk is characterized in that each supporting angle leg comprises a telescopic bushing and a unidirectional sliding rod; each telescopic bushing consists of an inner tube and an outer tube; each unidirectional sliding rod is arranged in the corresponding telescopic bushing; the inner wall of each outer tube is provided with a plastic layer; the side wall of each outer tube is provided with a threaded hole; an adjusting bolt is arranged in each threaded hole; each outer tube and the corresponding inner tube are fixed through the adjusting bolt; the two ends of each unidirectional sliding rod are connected with the corresponding inner tube and the corresponding outer tube respectively; each unidirectional sliding rod is provided with a resetting mechanism; before each resetting mechanism is triggered, the corresponding unidirectional sliding rod can only extend in a single direction. Stepless regulation of the height of the liftable desk can be realized, the most suitable height can be adjusted as required; the safety performance of the entire desk is guaranteed while the stepless regulation is realized; the liftable desk is more convenient and safer to use; besides, the liftable desk has the advantages of long service life and the like.
Description
Technical field
The present invention relates to desk field, specifically relate to a kind of liftable desk.
Background technology
Although also there is liftable desk in the middle of existing desk, be all have level to regulate when existing liftable desk regulates highly, user can not regulate suitable height according to the needs of oneself completely.
Although designer can design the liftable desk of step-less adjustment according to structure similar in other field, still need in the design to solve comprise desk security, the problem such as mar proof and cost.
Summary of the invention
(1) technical problem that will solve
For the deficiency that prior art exists, the invention provides and a kind ofly regulate simple, sound construction, safety, long service life liftable desk.
(2) technical scheme
For achieving the above object, the invention provides a kind of liftable desk, comprise desktop and feet, described feet is arranged on the lower end of described desktop, described feet comprises the telescopic tube be made up of inner and outer tubes and the unidirectional slide bar be arranged in described telescopic tube, described outer tube comprises the metal level in outside and the plastic layer of inner side, the sidewall of described outer tube is provided with a screwed hole, adjusting bolt is provided with in described screwed hole, fix by described adjusting bolt between described outer tube and interior pipe, the two ends of described unidirectional slide bar are connected with inner and outer tubes respectively, described unidirectional slide bar is provided with resetting-mechanism, before the described resetting-mechanism of shake-up, described unidirectional slide bar simple elongation only.
Further, described unidirectional slide bar also comprises upper boom, lower beam, resetting block, fork and spring;
Described lower beam is provided with sliding tray, and the side of described sliding tray is provided with a locating slot, and described locating slot is provided with several acclivitous ratchets;
Described upper boom and described resetting block are slidably mounted in described sliding tray in an overlapping manner;
Described fork is rotatably mounted on described upper boom, and one end of described spring is connected with fork, and the other end of described spring is connected with described upper boom, and described fork is provided with eccentric nose bar;
Described resetting block is provided with pendulum hole, and described nose bar passes the pendulum hole on described resetting block and is placed in described locating slot, and described fork makes described nose bar snap between described ratchet under the effect of described spring;
The upper end of described locating slot is provided with reset elongated slot, the lower end in described pendulum hole is provided with reset groove, coefficient of friction between described upper boom and described resetting block is less than the coefficient of friction between described lower beam and described resetting block, and described nose bar can move downward and enter described reset groove after entering described reset elongated slot.
Further, also comprise one and revolve ear, described in revolve ear for rotating described adjusting bolt.
Further, described in comprise plastics footmuff, described plastics footmuff is arranged on the lower end of described feet.
In addition, present invention also offers a kind of liftable tablet chair, comprise seat and feet, described feet is arranged on the lower end of described seat, described feet comprises the telescopic tube be made up of inner and outer tubes and the unidirectional slide bar be arranged in described telescopic tube, described outer tube comprises the metal level in outside and the plastic layer of inner side, the sidewall of described outer tube is provided with a screwed hole, adjusting bolt is provided with in described screwed hole, fix by described adjusting bolt between described outer tube and interior pipe, the two ends of described unidirectional slide bar are connected with inner and outer tubes respectively, described unidirectional slide bar is provided with resetting-mechanism, before the described resetting-mechanism of shake-up, described unidirectional slide bar simple elongation only.
Further, described unidirectional slide bar also comprises upper boom, lower beam, resetting block, fork and spring;
Described lower beam is provided with sliding tray, and the side of described sliding tray is provided with a locating slot, and described locating slot is provided with several acclivitous ratchets;
Described upper boom and described resetting block are slidably mounted in described sliding tray in an overlapping manner;
Described fork is rotatably mounted on described upper boom, and one end of described spring is connected with fork, and the other end of described spring is connected with described upper boom, and described fork is provided with eccentric nose bar;
Described resetting block is provided with pendulum hole, and described nose bar passes the pendulum hole on described resetting block and is placed in described locating slot, and described fork makes described nose bar snap between described ratchet under the effect of described spring;
The upper end of described locating slot is provided with reset elongated slot, the lower end in described pendulum hole is provided with reset groove, coefficient of friction between described upper boom and described resetting block is less than the coefficient of friction between described lower beam and described resetting block, and described nose bar can move downward and enter described reset groove after entering described reset elongated slot.
(3) beneficial effect
The height of liftable desk of the present invention can realize step-less adjustment, optimal height can be recalled according to demand, while realizing step-less adjustment, ensure that the security performance of whole desk, more convenient to use and safety, has the advantages such as long service life in addition.
Accompanying drawing explanation
Fig. 1 is the overall structure schematic diagram of the embodiment of the present invention 1 liftable desk;
Fig. 2 is the structural representation of feet part in the embodiment of the present invention 1 liftable desk;
Fig. 3 is the structural representation of unidirectional slide bar each several part in the embodiment of the present invention 1 liftable desk;
Fig. 4 is the side structure schematic diagram of unidirectional slide bar in the embodiment of the present invention 1 liftable desk;
Fig. 5 is the partial structurtes schematic diagram of unidirectional slide bar in the embodiment of the present invention 1 liftable desk.
Wherein, 1 is desktop, and 2 is feet, and 3 is unidirectional slide bar, 4 is plastics footmuff, and 21 is interior pipe, and 22 is outer tube, and 23 is plastic layer, 24 is metal level, and 25 is screwed hole, and 26 is condition bolt, and 31 is upper boom, 32 is lower beam, and 33 is resetting block, and 331 is pendulum hole, and 332 is reset groove, 34 is fork, and 341 is nose bar, and 35 is spring, and 36 is locating slot, 361 is ratchet, and 362 is reset elongated slot, and 37 is sliding tray.
Detailed description of the invention
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples for illustration of the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
The overall structure of a kind of liftable desk of the present invention as shown in Figure 1, comprises desktop 1, feet 2 and plastics footmuff 4, and described feet 2 is arranged on the lower end of described desktop 1, and described plastics footmuff 4 is arranged on the lower end of described feet 2.
Fig. 2 is the structural representation of feet part in liftable desk of the present invention; Described feet 2 comprises the telescopic tube be made up of interior pipe 21 and outer tube 22 and the unidirectional slide bar 3 be arranged in described telescopic tube, described outer tube 22 comprises the metal level 24 in outside and the plastic layer 23 of inner side, the sidewall of described outer tube 22 is provided with a screwed hole 25, adjusting bolt 26 is provided with in described screwed hole 25, fix by described adjusting bolt 26 between described outer tube 21 and interior pipe 22, the two ends of described unidirectional slide bar 3 are connected with outer tube 22 with interior pipe 21 respectively.
In the present invention, by the Telescopic Fixed step-less adjustment that realize feet 2 height of outer tube 22 with interior pipe 21.Outer tube adopts and arranges plastic layer 23 at the internal layer of metal level 24, can make fit tightly under the effect of adjusting bolt 26 between interior pipe 21 and outer tube 22 and produce enough large frictional force, thus plays the effect of fixing interior pipe 21 and outer tube 22.
Unidirectional slide bar 3 is set in telescopic tube in the present invention, then can plays insurance, the effect of security protection.So in use, even if slide because reason that adjusting bolt 26 pretightning force is inadequate produces between interior pipe 21 and outer tube 22, in also ensureing because of the reason of unidirectional slide bar 3, between pipe 21 and outer tube 22, larger displacement can not be produced.Thus avoid desktop or seat and the potential safety hazard such as to drop suddenly.
General, described unidirectional slide bar 3 is provided with resetting-mechanism, before the described resetting-mechanism of shake-up, and described unidirectional slide bar 3 simple elongation only.
In addition, also comprise one and revolve ear, described in revolve ear for rotating described adjusting bolt 26.
In liftable desk of the present invention, the structure of unidirectional slide bar is as shown in Fig. 3, Fig. 4 and Fig. 5; Described unidirectional slide bar also comprises upper boom 31, lower beam 32, resetting block 33, fork 34 and spring 35;
Described lower beam 31 is provided with sliding tray 37, and the side of described sliding tray 37 is provided with a locating slot 36, and described locating slot 36 is provided with several acclivitous ratchets 361;
Described upper boom 31 is slidably mounted in described sliding tray 37 with described resetting block 33 in an overlapping manner;
Described fork 34 is rotatably mounted on described upper boom 31, and one end of described spring 35 is connected with fork 34, and the other end of described spring 35 is connected with described upper boom 31, and described fork 34 is provided with eccentric nose bar 341;
Described resetting block 33 is provided with pendulum hole 331, described nose bar 341 passes the pendulum hole 331 on described resetting block 33 and is placed in described locating slot 36, described pendulum hole 331 is enough large, nose bar can move in pendulum hole 331, described fork 34 makes described nose bar 341 snap between described ratchet 361 under the effect of described spring, thus plays the effect of restriction upper boom 31 relative to lower beam 32 slide downward;
The upper end of described locating slot 36 is provided with reset elongated slot 362, and the lower end in described pendulum hole 331 is provided with reset groove 332, and the coefficient of friction between described upper boom 31 and described resetting block 33 is less than the coefficient of friction between described lower beam 32 and described resetting block 33.Described nose bar 341 can move downward and enter described reset groove 332 after entering described reset elongated slot 362.The projection for limiting resetting block 33 is also provided with between the centre of this external upper boom 31 and end.This projection is used for hold reset block 33 and is in overlap condition with upper boom 31.
During use, when upper boom 31 moves upward, because the frictional force between resetting block 33 and lower beam 32 is large, now resetting block 33 moves downward relative to 31.Now nose bar 341 just can not enter in reset groove 332, and nose bar 341 just can snap between ratchet 361 under the action of the spring.
When upper boom 31 moves upward to top, now nose bar 341 departs from the groove between ratchet 361, and enters into reset elongated slot 362.When now upper boom 31 moves downward, because the frictional force between resetting block 33 and lower beam 32 is large, therefore upper boom 31 moves downward relative to resetting block 33, nose bar 341 now just can be made to enter in reset groove 332, thus prevent nose bar 341 from entering between ratchet 361 under the action of the spring, thus ensure that upper boom 31 can move downward, until upper boom 31 moves upward again always.
Above structure discloses a kind of unidirectional slide bar newly, and this unidirectional Slide bar structure is compact, is applicable to being arranged in a pin.There is result of use in addition good, be not easy to break down, the advantages such as sound construction.
Embodiment 2
A kind of liftable tablet chair, its principle is identical with the liftable desk in embodiment 1, comprise seat and feet, described feet is arranged on the lower end of described seat, described feet comprises the telescopic tube be made up of inner and outer tubes and the unidirectional slide bar be arranged in described telescopic tube, described outer tube comprises the metal level in outside and the plastic layer of inner side, the sidewall of described outer tube is provided with a screwed hole, adjusting bolt is provided with in described screwed hole, fix by described adjusting bolt between described outer tube and interior pipe, the two ends of described unidirectional slide bar are connected with inner and outer tubes respectively, described unidirectional slide bar is provided with resetting-mechanism, before the described resetting-mechanism of shake-up, described unidirectional slide bar simple elongation only.
Concrete, described unidirectional slide bar also comprises upper boom, lower beam, resetting block, fork and spring;
Described lower beam is provided with sliding tray, and the side of described sliding tray is provided with a locating slot, and described locating slot is provided with several acclivitous ratchets;
Described upper boom and described resetting block are slidably mounted in described sliding tray in an overlapping manner;
Described fork is rotatably mounted on described upper boom, and one end of described spring is connected with fork, and the other end of described spring is connected with described upper boom, and described fork is provided with eccentric nose bar;
Described resetting block is provided with pendulum hole, and described nose bar passes the pendulum hole on described resetting block and is placed in described locating slot, and described fork makes described nose bar snap between described ratchet under the effect of described spring;
The upper end of described locating slot is provided with reset elongated slot, the lower end in described pendulum hole is provided with reset groove, coefficient of friction between described upper boom and described resetting block is less than the coefficient of friction between described lower beam and described resetting block, and described nose bar can move downward and enter described reset groove after entering described reset elongated slot.
Beneficial effect of the present invention: its height can realize step-less adjustment, optimal height can be recalled according to demand, while realizing step-less adjustment, ensure that the security performance of whole desk, more convenient to use and safety, has the advantages such as long service life in addition.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a liftable desk, comprise desktop (1) and feet (2), described feet (2) is arranged on the lower end of described desktop (1), it is characterized in that, described feet (2) comprises the telescopic tube be made up of interior pipe (21) and outer tube (22) and the unidirectional slide bar (3) be arranged in described telescopic tube, described outer tube (22) comprises the metal level (24) in outside and the plastic layer (23) of inner side, the sidewall of described outer tube (22) is provided with a screwed hole (25), adjusting bolt (26) is provided with in described screwed hole (25), between described outer tube (22) and interior pipe, (21) are fixed by described adjusting bolt (26), the two ends of described unidirectional slide bar (3) are connected with outer tube (22) with interior pipe (21) respectively, described unidirectional slide bar (3) is provided with resetting-mechanism, before the described resetting-mechanism of shake-up, described unidirectional slide bar (3) simple elongation only.
2. liftable desk as claimed in claim 1, it is characterized in that, described unidirectional slide bar (3) also comprises upper boom (31), lower beam (32), resetting block (33), fork (34) and spring (35);
Described lower beam (32) is provided with sliding tray (37), the side of described sliding tray (37) is provided with a locating slot (36), and described locating slot (36) is provided with several acclivitous ratchets (361);
Described upper boom (31) and described resetting block (33) are slidably mounted in described sliding tray (37) in an overlapping manner;
Described fork (34) is rotatably mounted on described upper boom (31), one end of described spring (35) is connected with fork (34), the other end of described spring (35) is connected with described upper boom (31), and described fork (34) is provided with eccentric nose bar (341);
Described resetting block (33) is provided with pendulum hole (331), described nose bar (341) is through the pendulum hole (331) on described resetting block (33) and be placed in described locating slot (36), and described fork (34) makes described nose bar (341) snap between described ratchet (361) under the effect of described spring;
The upper end of described locating slot (36) is provided with reset elongated slot (362), the lower end of described pendulum hole (331) is provided with reset groove (332), coefficient of friction between described upper boom (31) and described resetting block (33) is less than the coefficient of friction between described lower beam (32) and described resetting block (33), and described nose bar (341) can move downward and enter described reset groove (332) after entering described reset elongated slot (362).
3. liftable desk as claimed in claim 1 or 2, is characterized in that, also comprise one and revolve ear, described in revolve ear for rotating described adjusting bolt (26).
4. liftable desk as claimed in claim 3, is characterized in that, described in comprise plastics footmuff (4), described plastics footmuff (4) is arranged on the lower end of described feet (2).
5. a liftable tablet chair, comprise seat and feet (2), described feet (2) is arranged on the lower end of described seat, it is characterized in that, described feet (2) comprises the telescopic tube be made up of interior pipe (21) and outer tube (22) and the unidirectional slide bar (3) be arranged in described telescopic tube, described outer tube (22) comprises the metal level (24) in outside and the plastic layer (23) of inner side, the sidewall of described outer tube (22) is provided with a screwed hole (25), adjusting bolt (26) is provided with in described screwed hole (25), between described outer tube (22) and interior pipe, (21) are fixed by described adjusting bolt (26), the two ends of described unidirectional slide bar (3) are connected with outer tube (22) with interior pipe (21) respectively, described unidirectional slide bar (3) is provided with resetting-mechanism, before the described resetting-mechanism of shake-up, described unidirectional slide bar (3) simple elongation only.
6. liftable tablet chair as claimed in claim 5, it is characterized in that, described unidirectional slide bar (3) also comprises upper boom (31), lower beam (32), resetting block (33), fork (34) and spring (35);
Described lower beam (32) is provided with sliding tray (37), the side of described sliding tray (37) is provided with a locating slot (36), and described locating slot (36) is provided with several acclivitous ratchets (361);
Described upper boom (31) and described resetting block (33) are slidably mounted in described sliding tray (37) in an overlapping manner;
Described fork (34) is rotatably mounted on described upper boom (31), one end of described spring (35) is connected with fork (34), the other end of described spring (35) is connected with described upper boom (31), and described fork (34) is provided with eccentric nose bar (341);
Described resetting block (33) is provided with pendulum hole (331), described nose bar (341) is through the pendulum hole (331) on described resetting block (33) and be placed in described locating slot (36), and described fork (34) makes described nose bar (341) snap between described ratchet (361) under the effect of described spring;
The upper end of described locating slot (36) is provided with reset elongated slot (362), the lower end of described pendulum hole (331) is provided with reset groove (332), coefficient of friction between described upper boom (31) and described resetting block (33) is less than the coefficient of friction between described lower beam (32) and described resetting block (33), and described nose bar (341) can move downward and enter described reset groove (332) after entering described reset elongated slot (362).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711849.XA CN104397998B (en) | 2014-11-28 | 2014-11-28 | Liftable desk |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410711849.XA CN104397998B (en) | 2014-11-28 | 2014-11-28 | Liftable desk |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104397998A true CN104397998A (en) | 2015-03-11 |
| CN104397998B CN104397998B (en) | 2021-01-01 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410711849.XA Active CN104397998B (en) | 2014-11-28 | 2014-11-28 | Liftable desk |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104397998B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105546295A (en) * | 2015-12-21 | 2016-05-04 | 河北汉光重工有限责任公司 | Stepless regulation overturning supporting mechanism for displayer |
| CN105671715A (en) * | 2016-04-15 | 2016-06-15 | 吴江市元通纺织品有限公司 | Guide bar frame for spinning |
| CN107755057A (en) * | 2017-12-13 | 2018-03-06 | 天津城建大学 | Simple pop can ingredient separating device and its method of work |
| CN109398598A (en) * | 2018-10-31 | 2019-03-01 | 沪东中华造船(集团)有限公司 | A kind of general-purpose pedestal and installation and application for the middle-size and small-size equipment installation of shipbuilding |
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| CN105671715A (en) * | 2016-04-15 | 2016-06-15 | 吴江市元通纺织品有限公司 | Guide bar frame for spinning |
| CN107755057A (en) * | 2017-12-13 | 2018-03-06 | 天津城建大学 | Simple pop can ingredient separating device and its method of work |
| CN109398598A (en) * | 2018-10-31 | 2019-03-01 | 沪东中华造船(集团)有限公司 | A kind of general-purpose pedestal and installation and application for the middle-size and small-size equipment installation of shipbuilding |
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|---|---|
| CN104397998B (en) | 2021-01-01 |
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Address after: 315000 No.1 dafengche Road, Zhangting Town Industrial Development Zone, Yuyao City, Ningbo City, Zhejiang Province Applicant after: ZHEJIANG DAFENGCHE EDUCATION EQUIPMENT Co.,Ltd. Address before: 315000 No.1 dafengche Road, Zhangting Town Industrial Development Zone, Yuyao City, Ningbo City, Zhejiang Province Applicant before: Ningbo Dafengche Education Equipment Co.,Ltd. |
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