CN209135695U

CN209135695U - A kind of desk and chair lifting reducer union

Info

Publication number: CN209135695U
Application number: CN201821453310.9U
Authority: CN
Inventors: 崔国营
Original assignee: Individual
Current assignee: Individual
Priority date: 2018-09-06
Filing date: 2018-09-06
Publication date: 2019-07-23
Anticipated expiration: 2028-09-06

Abstract

The utility model relates to furniture part technical fields, especially a kind of desk and chair goes up and down reducer union, including connector cover, the two sides of the connector cover are fixed with the first fastening plates and the second fastening plates respectively, symmetrically through setting, there are two through-holes in first fastening plates and the second fastening plates, the outside of first fastening plates is simultaneously fixed with boss outside through-hole, nut groove is equipped on the boss, the nut groove is connected with through-hole, and the outside of second fastening plates is simultaneously fixed with annular groove outside through-hole.The utility model structure is simple, and stable connection is reliable, is worthy to be popularized.

Description

A kind of desk and chair lifting reducer union

Technical field

The utility model relates to furniture part technical fields more particularly to a kind of desk and chair to go up and down reducer union.

Background technique

Now in order to adapt to requirement of the different height students to desk, chair, the desk and chair of liftable leg structure is opened Begin to apply.By taking desk as an example, liftable desk in the prior art includes fixing bolt, table leg pipe and feet pipe, table leg pipe sleeve It is connected on feet pipe and is equipped with corresponding through-hole, table leg pipe sleeve is connected in feet pipe, and fixing bolt passes through table leg pipe and feet Corresponding through-hole on pipe, fixed table leg pipe and feet pipe, realize the lifting of desktop；It can generally be set between feet pipe and table leg pipe There is a reducer union, traditional reducer union is easy to fall in height adjustment, fixed to be easy to loosen, and when use easily issues different It rings, while making troubles to adjusting, and in bolt locking, need by spanner, fixed time-consuming and laborious, the iron spiral shell in addition revealed Mother is easy to wound, scratches child's limbs and clothing.Therefore, we have proposed a kind of desk and chairs to go up and down reducer union.

Utility model content

Purpose of the utility model is to solve a kind of desk and chairs for existing in the prior art above-mentioned disadvantage, and proposing Go up and down reducer union.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of desk and chair lifting reducer union, including connector lid are designed, fixation is set respectively for the two sides of the connector lid There are the first fastening plates and the second fastening plates, through-hole there are two setting, institute are symmetrically run through in first fastening plates and the second fastening plates It states the outside of the first fastening plates and is located at outside through-hole and be fixed with boss, nut groove, the spiral shell are equipped on the boss Female groove is connected with through-hole, and the outside of second fastening plates is simultaneously fixed with annular groove outside through-hole.

Preferably, first fastening plates and the second fastening plates are structure as a whole with the connector lid.

Preferably, the bottom of the connector lid and be located at inward flange on be fixed with flange, the flange and connection port Lid is structure as a whole.

Preferably, the flange is located between tables and chairs foot tube and tables and chairs leg pipe, and the tables and chairs leg pipe is plugged on tables and chairs foot tube Interior, the tables and chairs leg pipe and tables and chairs foot tube are the lifting support portion of desk and chair.

Preferably, the nut groove is six square nuts slot.

The utility model proposes a kind of desk and chair go up and down reducer union, beneficial effect is:

1, the connector lid of desk and chair lifting connector and the fixed bit disjunctor in fastening plates, lifting reducer union are no longer random It falls off, and the fixed bit in connector lid and fastening plates uses triangle disjunctor, keeps lifting reducer union elevating function more steady Gu, it is more smooth, and make table and chair feet equipped with the flange with connector lid one in the gap of desk and chair foot tube and desk chair leg Guan Lian Pipe connect more stable with tables and chairs leg pipe, and will not generate abnormal sound, tables and chairs foot tube is installed with tables and chairs leg pipe and no longer locked with spanner Nut only needs one assembling can be completed in screwdriver, facilitates installation, keep bolt head not exposed in nut built-in nut slot, formed It does not wound, scratch child's limbs and clothing, play a good protective effect to child.

Detailed description of the invention

Fig. 1 be the utility model proposes a kind of desk and chair go up and down reducer union schematic perspective view；

Fig. 2 be the utility model proposes a kind of desk and chair go up and down reducer union side structure schematic view；

Fig. 3 be the utility model proposes a kind of desk and chair go up and down reducer union and combine and make with tables and chairs foot tube and tables and chairs leg pipe Schematic cross-sectional view.

In figure: connector lid 1, the first fastening plates 21, the second fastening plates 22, boss 3, nut groove 4, annular groove 5, flange 6, Through-hole 7, tables and chairs foot tube 8, tables and chairs leg pipe 9, bolt 10.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

Referring to Fig.1-3, a kind of desk and chair goes up and down reducer union, including connector lid 1, and the two sides of connector lid 1 are solid respectively Surely the first fastening plates 21 and the second fastening plates 22 are equipped with, the first fastening plates 21 and the second fastening plates 22 are integrated with connector lid 1 Symmetrically through setting, there are two through-hole 7, the outsides and position of the first fastening plates 21 in structure, the first fastening plates 21 and the second fastening plates 22 It is fixed with boss 3 outside through-hole 7, nut groove 4 is equipped on boss 3, nut groove 4 is connected with through-hole 7, nut groove 4 For six square nuts slot, the outside of the second fastening plates 22 is simultaneously located at outside through-hole 7 and is fixed with annular groove 5, connector lid 1 and the Fixed bit disjunctor in one fastening plates 21 and the second fastening plates 22, desk and chair lifting reducer union no longer arbitrarily falls off, and connects Fixed bit in head lid 1 and the first fastening plates 21 and the second fastening plates 22 uses triangle disjunctor, and desk and chair is made to go up and down variable diameter Connector elevating function is more firm, more smooth.

The bottom of connector lid 1 is simultaneously fixed with flange 6 on inward flange, and flange 6 and connector lid 1 are integrated knot Structure, flange 6 are located between tables and chairs foot tube 8 and tables and chairs leg pipe 9, and tables and chairs leg pipe 9 is plugged in tables and chairs foot tube 8, tables and chairs leg pipe 9 and table Chair leg pipe 8 is the lifting support portion of desk and chair, and it is more stable that flange 6 connect tables and chairs foot tube with tables and chairs leg pipe, and will not generate Desk and chair lifting reducer union is mounted on 8 top of tables and chairs foot tube when desk and chair lifting reducer union is installed by abnormal sound, Then 9 penetrator lid 1 of tables and chairs leg pipe is inserted into tables and chairs foot tube 8, is made in the first fastening plates 21 and the second fastening plates 22 Through-hole 7 is corresponding with the fixed hole in tables and chairs foot tube 8 with tables and chairs leg pipe 9, is put into nut in nut groove 4, then through-hole 7 and solid Determine to be locked by screwdriver, tables and chairs foot tube 8 is no longer used with the installation of tables and chairs leg pipe 9 in through-hole through insertion bolt 10 Spanner locking nut only needs one assembling can be completed in screwdriver, facilitates installation, make bolt 10 in nut built-in nut slot 4 Head is not exposed, and formation does not wound, do not scratch child's limbs and clothing, plays a good protective effect to child.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims

1. a kind of desk and chair goes up and down reducer union, including connector lid (1), which is characterized in that the two sides of the connector lid (1) It is fixed with the first fastening plates (21) and the second fastening plates (22), first fastening plates (21) and the second fastening plates (22) respectively It is upper symmetrical through setting there are two through-hole (7), the outside of first fastening plates (21), which is simultaneously located at outside through-hole (7), to be fixed with Boss (3) is equipped with nut groove (4) on the boss (3), and the nut groove (4) is connected with through-hole (7), and described second is tight The outside of solid plate (22) is simultaneously fixed with annular groove (5) outside through-hole (7).

2. a kind of desk and chair according to claim 1 goes up and down reducer union, which is characterized in that first fastening plates (21) It is structure as a whole with the second fastening plates (22) and the connector lid (1).

3. a kind of desk and chair according to claim 1 goes up and down reducer union, which is characterized in that the connector lid (1) Bottom is simultaneously fixed with flange (6) on inward flange, and the flange (6) is structure as a whole with connector lid (1).

4. a kind of desk and chair according to claim 3 goes up and down reducer union, which is characterized in that the flange (6) is located at table Between chair leg pipe (8) and tables and chairs leg pipe (9), the tables and chairs leg pipe (9) is plugged in tables and chairs foot tube (8), the tables and chairs leg pipe (9) It is the lifting support portion of desk and chair with tables and chairs foot tube (8).

5. a kind of desk and chair according to claim 1 goes up and down reducer union, which is characterized in that the nut groove (4) is six Square nut slot.