CN202750953U - Table and chair lifting device with height adjusted by pressing downward - Google Patents
Table and chair lifting device with height adjusted by pressing downward Download PDFInfo
- Publication number
- CN202750953U CN202750953U CN 201220396865 CN201220396865U CN202750953U CN 202750953 U CN202750953 U CN 202750953U CN 201220396865 CN201220396865 CN 201220396865 CN 201220396865 U CN201220396865 U CN 201220396865U CN 202750953 U CN202750953 U CN 202750953U
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- China
- Prior art keywords
- chairs
- tables
- support leg
- screw
- hole
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a table and chair lifting device with height adjusted by pressing downward. A nut is fixed on connecting holes which are on outer supporting legs of the table and the chair and corresponds to each other. An inner tube sleeve is connected with the nut in threaded mode. A spring is formed inside the inner tube sleeve, and a bolt is installed at one end of the spring. A slot hole is arranged in the inner tube sleeve, and a limiting hole is formed at one side of the slot hole. A first screw hole is formed at one end of the bolt, and the inner tube sleeve is sleeved inside an outer tube sleeve. A second screw hole which corresponds to the first screw hole is arranged in the outer tube sleeve, and a screw penetrates through the second screw hole and the slot hole and is formed in the first screw hole. The table and chair lifting device with height adjusted by pressing downward by pressing downward has the advantages of being simple in structure, economical, practical, easy to adjust, high in efficiency and low in cost.
Description
Technical field
The utility model relate to a kind of study table, computer desk, desk, learning chair or other desk and chair use can simple and convenient adjusting desk and chair height press down the tables and chairs lowering or hoisting gear of regulating height.
Background technology
At present; study table, computer desk, desk, learning chair or other desk and chair are in use; sometimes need to regulate according to user's sitting height the height of desk or chair; especially student's height changes very fast with advancing age; therefore in the process of using desk and chair, need constantly to regulate its height; be convenient to protect student's eyesight; simultaneously in the use procedure of desk and chair; the people of different heights has different requirements to the height of desk or chair, all needs in use the height of desk or chair to be regulated.At present, desk or chair height adjusting device generally are that the double connecting plate on its interconnective two supporting legs is equipped with corresponding hole, be fixed with connecting bolt in the connecting hole between two supporting legs, when regulating height, need to turn on connecting bolt, again between the new connecting hole between two supporting legs connecting bolt is installed again by new height, this desk or chair height adjusting device exist complex operation, difficult adjusting, effort is time-consuming, cost is high, baroque defective; For this defective, a kind of device of automatic controlled height occurred in market, but device is difficult to be accepted by the consumer because of defectives such as its cost height, complex structures.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art and provides a kind of and can regulate easily the tables and chairs lowering or hoisting gear that pressing down of desk and chair height regulated height.
The purpose of this utility model is achieved in that and comprises tables and chairs outer support leg, be sleeved in the tables and chairs outer support leg and can be along the tables and chairs inner support leg of tables and chairs outer support leg lifting, it is characterized in that: tables and chairs outer support leg is fixedly connected with the tables and chairs supporting surface, all have the connecting hole of mutual correspondence on tables and chairs outer support leg and the tables and chairs inner support leg, tables and chairs inner support leg is fixedly connected with or directly is based on ground with the tables and chairs supporting seat, connecting hole is a straight line and is arranged above and below in tables and chairs inner support leg one side, connecting hole at tables and chairs outer support leg is fixed with nut, interior jacket casing is connected on the nut by head threads, in interior jacket casing, be provided with spring, spring one end is equipped with latch, latch passes nut and inserts in the connecting hole on tables and chairs outer support leg and the tables and chairs inner support leg, inner core puts and is provided with slotted hole, slotted hole one side is provided with spacing hole, have the first screw at latch, interior jacket casing is sleeved in the outer jacket casing, be provided with outside second screw corresponding with the first screw on the jacket casing, screw passes the second screw and slotted hole is arranged on the first screw, and spacing by spacing hole, latch is in the state in the connecting hole that is inserted in supporting leg inside and outside the tables and chairs all the time under the effect of spring.
The tables and chairs supporting surface is with the face that tilts or is the plane.
The utility model can be regulated desk and chair height easily, has advantage simple in structure, economical and practical, that adjusting is easy, cost is low.
Description of drawings
Fig. 1 is the mounting structure schematic diagram of the utility model on desk.
Fig. 2 is partial sectional view of the present utility model.
Fig. 3 is the structural representation of jacket casing in the utility model.
Fig. 4 is the structural representation of the utility model latch.
The specific embodiment
Embodiment 1: shown in Fig. 1,2,3,4, comprise tables and chairs outer support leg 1, be sleeved in the tables and chairs outer support leg 1 and can be along the tables and chairs inner support leg 2 of tables and chairs outer support leg 1 lifting, tables and chairs outer support leg 1 is fixedly connected with tables and chairs supporting surface 3, all have the connecting hole 4 of mutual correspondence on tables and chairs outer support leg 1 and the tables and chairs inner support leg 2, tables and chairs inner support leg 2 is fixedly connected with or directly is based on ground with tables and chairs supporting seat 13, connecting hole 4 is a straight line and is arranged above and below in tables and chairs inner support leg 2 one sides
Connecting hole 4 at tables and chairs outer support leg 1 is fixed with nut 9, interior jacket casing 6 is connected on the nut 9 by head threads, in interior jacket casing 6, be provided with spring 7, spring 7 one ends are equipped with latch 8, latch 8 passes nut 9 and inserts in the connecting hole 4 on tables and chairs outer support legs 1 and the tables and chairs inner support leg 2, and latch 8 is in the state in the connecting hole 4 that is inserted in supporting leg inside and outside the tables and chairs all the time under the effect of spring 7; Be provided with slotted hole 12 on the interior jacket casing 6, slotted hole 12 1 sides are provided with spacing hole 15, have the first screw 11 at latch 8, interior jacket casing 6 is sleeved in the outer jacket casing 5, be provided with outside second screw 14 corresponding with the first screw 11 on the jacket casing 5, screw 10 passes the second screw 14 and slotted hole 12 is arranged on the first screw 11, and spacing by spacing hole 15.
Tables and chairs supporting surface 3 is the plane or is the face with inclination.
When needs raise or reduce the tables and chairs height, outer jacket casing 5 is outwards extracted, because passing the slotted hole 12 that arranges on the interior jacket casing 6, screw 10 make outer jacket casing 5 be linked as an integral body with latch 8, when outwards pulling out outer jacket casing 5, outer jacket casing 5 drives latch 8 synchronously by screw 10, make latch 8 leave the connecting hole 4 of tables and chairs inner support leg, because interior jacket casing 6 is linked as an integral body with nut 9,10 on screw moves by the slotted hole 12 that is arranged on the interior jacket casing 6, then screw 10 is rotated to spacing hole 15, rotary screw 10 to slotted hole 12 unclamps outer jacket casing 5 again after selecting at last suitable height, thereby latch 8 is inserted in the connecting hole 4 of the inside and outside supporting leg of tables and chairs again, finishes the action that improves the tables and chairs height.
Claims (1)
1. one kind presses down the tables and chairs lowering or hoisting gear of regulating height, comprise tables and chairs outer support leg (1), be sleeved in the tables and chairs outer support leg (1) and can be along the tables and chairs inner support leg (2) of tables and chairs outer support leg (1) lifting, it is characterized in that: tables and chairs outer support leg (1) is fixedly connected with tables and chairs supporting surface (3), all have the connecting hole (4) of mutual correspondence on tables and chairs outer support leg (1) and the tables and chairs inner support leg (2), tables and chairs inner support leg (2) is fixedly connected with or directly is based on ground with tables and chairs supporting seat (13), connecting hole (4) is a straight line and is arranged above and below in tables and chairs inner support leg (2) one sides, connecting hole (4) at tables and chairs outer support leg (1) is fixed with nut (9), interior jacket casing (6) is connected on the nut (9) by head threads, in interior jacket casing (6), be provided with spring (7), spring (7) one ends are equipped with latch (8), latch (8) passes nut (9) and inserts in the connecting hole (4) on tables and chairs outer support legs (1) and the tables and chairs inner support leg (2), be provided with slotted hole (12) on the interior jacket casing (6), slotted hole (12) one sides are provided with spacing hole (15), have the first screw (11) at latch (8), interior jacket casing (6) is sleeved in the outer jacket casing (5), be provided with outside second screw (14) corresponding with the first screw (11) on the jacket casing (5), screw (10) passes the second screw (14) and slotted hole (12) is arranged on the first screw (11), and spacing by spacing hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396865 CN202750953U (en) | 2012-08-13 | 2012-08-13 | Table and chair lifting device with height adjusted by pressing downward |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220396865 CN202750953U (en) | 2012-08-13 | 2012-08-13 | Table and chair lifting device with height adjusted by pressing downward |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202750953U true CN202750953U (en) | 2013-02-27 |
Family
ID=47730156
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220396865 Expired - Fee Related CN202750953U (en) | 2012-08-13 | 2012-08-13 | Table and chair lifting device with height adjusted by pressing downward |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202750953U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336062A (en) * | 2020-11-05 | 2021-02-09 | 浙江新迪俊家具有限公司 | Multifunctional computer desk |
-
2012
- 2012-08-13 CN CN 201220396865 patent/CN202750953U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112336062A (en) * | 2020-11-05 | 2021-02-09 | 浙江新迪俊家具有限公司 | Multifunctional computer desk |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130227 Termination date: 20150813 |
|
| EXPY | Termination of patent right or utility model |