CN205548026U - Balanced adjustment mechanism of teaching desk chair - Google Patents
Balanced adjustment mechanism of teaching desk chair Download PDFInfo
- Publication number
- CN205548026U CN205548026U CN201620241342.7U CN201620241342U CN205548026U CN 205548026 U CN205548026 U CN 205548026U CN 201620241342 U CN201620241342 U CN 201620241342U CN 205548026 U CN205548026 U CN 205548026U
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- CN
- China
- Prior art keywords
- fixed cover
- chairs
- hole
- regulation
- adjustment mechanism
- 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 belongs to the technical field of the technique of teaching aid and specifically relates to a balanced adjustment mechanism of teaching desk chair is related to, have the fixed cover of one end open -ended including installing on table chair leg, the bottom of fixed cover is equipped with the regulation boss, is equipped with the regulation hole on adjusting the boss, and the spiro union has one end to stretch out the screw rod the hole outside in the regulation hole, and the end fixing of screw rod has the supporting seat, and fixed sheatheeing in being equipped with the position sleeve, but is equipped with altar table chair leg male on the position sleeve and has the one end open -ended and install and overlap, fixed sheatheeing in being equipped with the fixed orifices, be equipped with on the position sleeve with fixed orifices assorted locating hole, be equipped with on the fixed orifices and pass the fixed orifices and insert the screw in the locating hole. The advantage is: can effectively protect the complete degree of a chair, avoid the damage of a table chair unnecessary, the high convenient and fast extremely of adjustment moreover, fixed also very simple reliable.
Description
Technical field
This utility model relates to the technical field of teaching aid, especially relates to a kind of teaching tables and chairs balance adjustment
Mechanism.
Background technology
Stationary structure is adopted by a spike system for general existing desk or chair, and cannot adjust its height, if ground
Face out-of-flatness, then its desk or chair i.e. cannot steadily be put.Under normal circumstances, there is adjusting type feet knot
The various furniture such as the desk of structure, chair in response to and give birth to, general adjusting type Table legs structure is mainly by sleeve
Device and a footing are constituted, and are the external screw thread through this footing top in this type of adjusting type Table legs structure, from
Locking female thread bottom this casing bit, it through this bushing outer surface, inserts table in friction tight mode again
Foot bottom preset groove, finally, rotate this adjustment portion through spanner and rotate this socle, adjustable each
The height of feet, makes desktop reach suitable levelness or height.But, this type of adjusting type Table legs structure needs
Bottom this casing bit, form female thread and external screw thread need to be formed in this footing top, more difficult in manufacture,
The most more it is difficult in adjustment, is the most also only applicable to feet or the chair foot of single kind of size.
Therefore, just there is a kind of teaching tables and chairs balance adjusting device that can conveniently adjust, such as Chinese patent literary composition
Offering " a kind of teaching tables and chairs balance adjusting device " of Publication No. CN204410153U, it includes being mounted directly
The accommodating cavity of tables and chairs lower limb, the bottom face of accommodating cavity is provided with adjustment hole, by the positioning seat with screw rod
Coordinate adjustment hole regulation height, and accommodating cavity is provided with several installing holes, then passes through set screw
It is fixed table leg.Although the product of this structure can fix tables and chairs lower limb to a certain extent, it is possible at this
It is adjusted on the basis of individual, but most tables and chairs is essentially all and uses wood materials to make, then
Tables and chairs can be damaged fixing with this product when, and need directly to revolve with hands adjusting height when
Turn positioning seat, but positioning seat be directly to touch with ground, have some dirtier material attachments unavoidably,
So give in operation and bring certain impact.
Summary of the invention
The deficiency existed for above-mentioned prior art, the purpose of this utility model is to provide one and can effectively protect
Protect the integrity degree of tables and chairs, it is to avoid the damage that tables and chairs are unnecessary, and adjust the most convenient and swift, Gu
The most simple and reliable fixed teaching tables and chairs balance adjustment mechanism.
For realizing above-mentioned purpose, this utility model provides techniques below scheme:
A kind of teaching tables and chairs balance adjustment mechanism, has the fixing of one end open including be installed on tables and chairs lower limb
Set, the bottom of fixed cover is provided with regulation boss, and regulation boss is provided with adjustment hole, is bolted with one in adjustment hole
End stretches out the screw rod outside hole, and the end of screw rod is fixed with support seat, and fixed cover is arranged with positioning sleeve, location
Put to be provided with and be available for the installation set with one end open that tables and chairs lower limb inserts；Fixed cover is provided with fixing hole, fixed
Position puts and is provided with the hole, location matched with fixing hole, fixing hole is provided through fixing hole and inserts in hole, location
Screw.
This utility model is further arranged to: be provided with locating dowel, positioning sleeve in the middle part of the bottom surface in described fixed cover
It is provided with the pilot hole matched with locating dowel.
This utility model is further arranged to: form step surface, positioning sleeve between described positioning sleeve and installation set
When being inserted in fixed cover, step surface is adjacent to the open end of fixed cover.
This utility model is further arranged to: the internal chamber wall of described fixed cover is axially arranged with gathering sill, positioning sleeve
It is provided with the guide protrusions corresponding with gathering sill.
This utility model is further arranged to: described support seat is provided with the annular sidewall of enclosing wall type, annular side
Wall has the regulation set of one end open with supporting seat formation, and the opening of regulation set is towards fixed cover direction.
This utility model is further arranged to: described regulation is enclosed within by adjusting screw rod to the displacement of fixed cover direction
Time regulation set can be placed on fixed cover.
By using technique scheme, the technique effect that this utility model is reached is: pass through Design Orientation
Set and installation set, be mounted directly tables and chairs lower limb by installing set, it is possible to effectively protect the integrity degree of tables and chairs, keep away
Exempt from the damage that tables and chairs are unnecessary, be sheathed on fixed cover inner position by positioning sleeve, then passing through fixed cover
Adjusting height with supporting seat, this adjustment is the most convenient and swift, fixing the most simple and reliable.
Accompanying drawing explanation
Below in conjunction with the accompanying drawings this utility model is described in further detail.
Fig. 1 is structural principle schematic diagram of the present utility model.
Detailed description of the invention
With reference to Fig. 1, a kind of teaching tables and chairs balance adjustment mechanism disclosed in this utility model, including being installed on table
The fixed cover 10 with one end open on chair lower limb, the bottom of fixed cover 10 is provided with regulation boss 11, regulation
Boss 11 is provided with adjustment hole, is bolted with the screw rod 12 that one end is stretched out outside hole, the end of screw rod 12 in adjustment hole
Portion is fixed with support seat 13, supports seat 13 and is provided with the annular sidewall 14 of enclosing wall type, annular sidewall 14 with
Support seat 13 forms the regulation set with one end open, and the opening of regulation set, towards fixed cover 10 direction, regulates
Be enclosed within by adjusting screw rod 12 to fixed cover 10 direction displacement time regulation set can be placed on fixed cover 10.This
The mode of design can conveniently regulate height, owing to having the setting of annular sidewall, Ke Yiyou regulation when
Effect avoids user directly to contact sordid spot so that easy to use and reliable, clean hygiene.
Being arranged with positioning sleeve 15 on fixed cover 10 in above-mentioned, positioning sleeve 15 is provided with and is available for the insertion of tables and chairs lower limb
Have one end open installation set 16；Wherein, between positioning sleeve 15 and installation set 16, form step surface,
When positioning sleeve 15 is inserted in fixed cover 10, step surface is adjacent to the open end of fixed cover 10.Fixed cover 10
Being provided with fixing hole 17, positioning sleeve 15 is provided with the hole, location 18 matched with fixing hole 17, fixing hole 17
On be provided through fixing hole 17 insert location hole 18 in screw.For the steadiness of product, can be solid
Surely being provided with locating dowel 19 in the middle part of the bottom surface in set 10, positioning sleeve 10 is provided with and leading that locating dowel 19 matches
To hole 20.The internal chamber wall of fixed cover 10 is axially arranged with gathering sill 21, and positioning sleeve 15 is provided with and gathering sill 21
Corresponding guide protrusions.
Above-described embodiment is only preferred embodiment of the present utility model, limits guarantor of the present utility model the most according to this
Protect scope, therefore: all equivalence changes done according to structure of the present utility model, shape, principle, all should contain
Within protection domain of the present utility model.
Claims (6)
1. a teaching tables and chairs balance adjustment mechanism, including the fixed cover with one end open being installed on tables and chairs lower limb,
The bottom of fixed cover is provided with regulation boss, and regulation boss is provided with adjustment hole, is bolted with one end and stretches in adjustment hole
Portal outer screw rod, and the end of screw rod is fixed with support seat, it is characterised in that: it is arranged with location on fixed cover
Set, positioning sleeve is provided with and is available for the installation set with one end open that tables and chairs lower limb inserts；Fixed cover is provided with solid
Determining hole, positioning sleeve is provided with the hole, location matched with fixing hole, fixing hole is provided through fixing hole and inserts
Screw in hole, location.
Teaching tables and chairs balance adjustment mechanism the most according to claim 1, it is characterised in that: in described fixed cover
Bottom surface in the middle part of be provided with locating dowel, positioning sleeve is provided with the pilot hole matched with locating dowel.
Teaching tables and chairs balance adjustment mechanism the most according to claim 1, it is characterised in that: described positioning sleeve with
Install and between set, form step surface, the open end of step surface and fixed cover when positioning sleeve is inserted in fixed cover
It is adjacent to.
4. according to the teaching tables and chairs balance adjustment mechanism described in claim 1 or 2 or 3, it is characterised in that: described
The internal chamber wall of fixed cover is axially arranged with gathering sill, and positioning sleeve is provided with the guide protrusions corresponding with gathering sill.
Teaching tables and chairs balance adjustment mechanism the most according to claim 1, it is characterised in that: on described support seat
Being provided with the annular sidewall of enclosing wall type, annular sidewall has the regulation set of one end open, regulation with supporting seat formation
The opening of set is towards fixed cover direction.
Teaching tables and chairs balance adjustment mechanism the most according to claim 5, it is characterised in that: described regulation is enclosed within
By adjusting screw rod to the displacement of fixed cover direction time regulation set can be placed on fixed cover.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241342.7U CN205548026U (en) | 2016-03-25 | 2016-03-25 | Balanced adjustment mechanism of teaching desk chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620241342.7U CN205548026U (en) | 2016-03-25 | 2016-03-25 | Balanced adjustment mechanism of teaching desk chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205548026U true CN205548026U (en) | 2016-09-07 |
Family
ID=56814951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620241342.7U Expired - Fee Related CN205548026U (en) | 2016-03-25 | 2016-03-25 | Balanced adjustment mechanism of teaching desk chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205548026U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110101230A (en) * | 2019-04-22 | 2019-08-09 | 浙江大学 | A kind of adjustment height support leg |
-
2016
- 2016-03-25 CN CN201620241342.7U patent/CN205548026U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110101230A (en) * | 2019-04-22 | 2019-08-09 | 浙江大学 | A kind of adjustment height support leg |
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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: 20160907 Termination date: 20170325 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |