CN209499175U - A kind of seat of rotation - Google Patents

Abstract

The utility model belongs to the technical field of the seat, in particular a kind of seat of rotation, including support, the top turning set of the support is equipped with rotation seat, cushion is fixedly installed at the top of rotation seat, backrest is fixedly installed at the top of cushion, the two sides of backrest are slidably fitted with handrail, and chamber is offered by back, square type through-hole is offered on the two sides inner wall of chamber, cross bar is slidably fitted in square type through-hole, one end that two cross bars are located remotely from each other is fixedly connected with corresponding handrail respectively, and two cross bar one end close to each other all extend in chamber and are welded with the same inner thread sleeve, inner thread sleeve internal screw thread is equipped with screw rod.The utility model is structurally reasonable, easy to operate, by simple rotational action can the height and position quickly to two handrails be adjusted, it is used to adapt to different people, the actual use demand for meeting people, improves comfort, has brought very big convenience.

Description

A kind of seat of rotation

Technical field

The utility model relates to the technical field of the seat more particularly to a kind of seats of rotation.

Background technique

Seat be it is a kind of have the also armed thing to sit on of backrest, some, with the continuous development of technology, seat is more next with material More, various seats are produced for people to use, and rotary seat is exactly wherein to be given using very extensive one kind People bring great convenience.

But in the prior art, there is also shortcomings, handrail not can be carried out height and position tune for the design of rotary seat Section, is not able to satisfy the actual use demand of different people, comfort level is caused to reduce, brought many troubles, for this purpose, proposing A kind of seat of rotation.

Summary of the invention

Purpose of the utility model is to solve disadvantages existing in the prior art, and a kind of seat of the rotation proposed Chair.

To achieve the goals above, the utility model adopts the technical scheme that a kind of seat of rotation, including branch Seat, the top turning set of the support are equipped with rotation seat, and cushion, the fixed peace in the top of cushion are fixedly installed at the top of rotation seat Equipped with backrest, the two sides of backrest are slidably fitted with handrail, and offer chamber by back, open up on the two sides inner wall of chamber There is square type through-hole, cross bar is slidably fitted in square type through-hole, one end that two cross bars are located remotely from each other is solid with corresponding handrail respectively Fixed connection, and two cross bar one end close to each other all extend in chamber and are welded with the same inner thread sleeve, internal screw thread Internal thread of sleeve is equipped with screw rod, and the top and bottom end of screw rod all extend to outside inner thread sleeve, and the bottom end of screw rod is welded with First tapered gear offers first through hole on the side inner wall of chamber, rotating bar, rotating bar is rotatably equipped in first through hole Both ends all extend to outside first through hole, and one end of rotating bar extends in chamber and is welded with the second tapered gear, second Tapered gear is engaged with the first tapered gear, and the second tapered gear is located at the top of the first tapered gear.

Preferably, the rotating bar is welded with handle far from one end of chamber, and fixing sleeve sets that there are two the in rotating bar One bearing, the outer ring of first bearing are fixedly connected with the inner wall of first through hole.

Preferably, the bottom of the rotation seat offers the first groove, and fixing sleeve is equipped with second bearing, the second axis on support The outer ring held is fixedly connected with the inner wall of the first groove.

Preferably, it is opened up at the top of the cross bar there are two the second through-hole, is slidably fitted with gag lever post in the second through-hole, limited The top and bottom end of position bar all extend to outside corresponding second through-hole, the top and bottom end of the gag lever post top with square type through-hole respectively Portion's inner wall is fixedly connected with bottom interior wall.

Preferably, the second groove is offered in the top inner wall of the chamber, the top of screw rod extends in the second groove, And fixing sleeve is equipped with 3rd bearing on screw rod, the outer ring of 3rd bearing is fixedly connected with the inner wall of the second groove.

Preferably, it is fixedly installed with fixture block in the chamber, third through-hole, screw rod rotational installation are offered at the top of fixture block Fixing sleeve is equipped with fourth bearing, the outer ring of fourth bearing and the fixed company of the inner wall of third through-hole in third through-hole, and on screw rod It connects.

Compared with prior art, the utility model has the beneficial effects that

Matched by handle, rotating bar, the second tapered gear, chamber, the first tapered gear, screw rod and inner thread sleeve It closes, swing handle, handle grip turn lever rotation, rotating bar drives the second tapered gear to rotate in chamber, the first tapered teeth Wheel is moved by the second tapered gear band and is rotated in chamber, and the first tapered gear band moves screw rod and rotates in chamber because screw rod with Inner thread sleeve is threadedly coupled, and passes through inner thread sleeve, screw rod, chamber, cross bar, gag lever post, the second through-hole, handrail and backrest phase Cooperation, inner thread sleeve are driven by screw rod and carry out vertically upward or move down in chamber, and inner thread sleeve drives two cross Bar is carried out vertically upward or is moved downward, and gag lever post slides in corresponding second through-hole, and two cross bars drive two handrails It carries out vertically upward or moves downward in the two sides of backrest respectively, when the height of handrail is suitable, stop operating handle, has operated Finish.

The utility model is structurally reasonable, easy to operate, can be quickly to two handrails by simple rotational action Height and position is adjusted, and is used to adapt to different people, is met the actual use demand of people, improve comfort, Very big convenience is brought.

Detailed description of the invention

Fig. 1 is the diagrammatic side-view cross-sectional structural schematic diagram of the utility model；

Fig. 2 is the backsight schematic cross-sectional view of the utility model；

Fig. 3 is the enlarged structure schematic diagram of part A in Fig. 2.

In figure: 1, support；2, rotation seat；3, cushion；4, backrest；5, handrail；6, chamber；7, square type through-hole；8, cross bar；9, Inner thread sleeve；10, screw rod；11, the first tapered gear；12, first through hole；13, rotating bar；14, the second tapered gear.

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.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of seat of rotation, including support 1, support 1 Top turning set be equipped with rotation seat 2, the top of rotation seat 2 is fixedly installed with cushion 3, and the top of cushion 3, which is fixedly installed with, to be leaned on Back 4, the two sides of backrest 4 are slidably fitted with handrail 5, and chamber 6 is offered on backrest 4, open up on the two sides inner wall of chamber 6 There is square type through-hole 7, cross bar 8 is slidably fitted in square type through-hole 7, one end that two cross bars 8 are located remotely from each other is helped with corresponding respectively Hand 5 is fixedly connected, and two one end close to each other of cross bar 8 all extend in chamber 6 and are welded with the same inner thread sleeve 9,9 internal screw thread of inner thread sleeve is equipped with screw rod 10, and the top and bottom end of screw rod 10 all extend to outside inner thread sleeve 9, and silk The bottom end of bar 10 is welded with the first tapered gear 11, offers first through hole 12 on the side inner wall of chamber 6, in first through hole 12 It is rotatably equipped with rotating bar 13, the both ends of rotating bar 13 all extend to outside first through hole 12, and one end of rotating bar 13 extends to In chamber 6 and it is welded with the second tapered gear 14, the second tapered gear 14 is engaged with the first tapered gear 11, and the second tapered teeth Wheel 14 is located at the top of the first tapered gear 11；

Rotating bar 13 is welded with handle far from one end of chamber 6, and fixing sleeve is set there are two first bearing in rotating bar 13, The outer ring of first bearing is fixedly connected with the inner wall of first through hole 12, and the bottom of rotation seat 2 offers the first groove, on support 1 Fixing sleeve is equipped with second bearing, and the outer ring of second bearing is fixedly connected with the inner wall of the first groove, and the top of cross bar 8 offers two A second through-hole is slidably fitted with gag lever post in the second through-hole, and it is logical that the top and bottom end of gag lever post all extend to corresponding second Outside hole, the top and bottom end of gag lever post are fixedly connected with the top inner wall of square type through-hole 7 and bottom interior wall respectively, the top of chamber 6 The second groove is offered on portion's inner wall, the top of screw rod 10 extends in the second groove, and fixing sleeve is equipped with third on screw rod 10 Bearing, the outer ring of 3rd bearing are fixedly connected with the inner wall of the second groove, and fixture block, the top of fixture block are fixedly installed in chamber 6 Third through-hole is offered, screw rod 10 is rotatably installed in third through-hole, and fixing sleeve is equipped with fourth bearing, the 4th axis on screw rod 10 The outer ring held is fixedly connected with the inner wall of third through-hole, passes through handle, rotating bar 13, the second tapered gear 14, chamber 6, first Tapered gear 11, screw rod 10 and inner thread sleeve 9 match, swing handle, and handle grip turn lever 13 rotates, 13 band of rotating bar Dynamic second tapered gear 14 rotates in chamber 6, and the first tapered gear 11 is driven by the second tapered gear 14 to be turned in chamber 6 Dynamic, the first tapered gear 11 drives screw rod 10 to rotate in chamber 6, because screw rod 10 is threadedly coupled with inner thread sleeve 9, passes through Inner thread sleeve 9, screw rod 10, chamber 6, cross bar 8, gag lever post, the second through-hole, handrail 5 and backrest 4 match, inner thread sleeve 9 It is driven by screw rod 10 and carries out vertically upward or move down in chamber 6, inner thread sleeve 9 drives two cross bars 8 to carry out vertically It is moved upwardly or downwardly, gag lever post slides in corresponding second through-hole, and two cross bars 8 drive two handrails 5 leaning on respectively The two sides of back 4 carry out vertically upward or move downward, and when the height of handrail 5 is suitable, stop operating handle, end of operation, this Utility model is structurally reasonable, easy to operate, by simple rotational action can quickly the height and position to two handrails 5 into Row adjustment uses to adapt to different people, meets the actual use demand of people, improve comfort, bring Very big convenience.

Working principle: when needing to be adjusted the height and position of two handrails 5, first swing handle, handle grip turn Lever 13 rotates, while rotating bar 13 drives the second tapered gear 14 to rotate in chamber 6, so that the first tapered gear 11 is by the The two tapered drives of gear 14 rotate in chamber 6, while the first tapered gear 11 drives screw rod 10 to rotate in chamber 6, because Screw rod 10 is threadedly coupled with inner thread sleeve 9, is carried out vertically upward in chamber 6 so that inner thread sleeve 9 is driven by screw rod 10 Or move down, while inner thread sleeve 9 drives two cross bars 8 to carry out vertically upward or move downward, at this time gag lever post Sliding in corresponding second through-hole, while two cross bars 8 drive two handrails 5 to carry out vertically upward in the two sides of backrest 4 respectively Or move downward, when the height of handrail 5 is suitable, stop operating handle, end of operation.

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 (6)

1. a kind of seat of rotation, including support (1), it is characterised in that: the top turning set of the support (1) is equipped with rotation seat (2), it is fixedly installed with cushion (3), is fixedly installed at the top of cushion (3) backrest (4) at the top of rotation seat (2), backrest (4) Two sides are slidably fitted with handrail (5), and chamber (6) are offered on backrest (4), are offered on the two sides inner wall of chamber (6) Square type through-hole (7) is slidably fitted with cross bar (8) in square type through-hole (7), one end that two cross bars (8) are located remotely from each other respectively with it is right The handrail (5) answered is fixedly connected, and two cross bar (8) one end close to each other all extend in chamber (6) and are welded with same A inner thread sleeve (9), inner thread sleeve (9) internal screw thread are equipped with screw rod (10), and the top and bottom end of screw rod (10) extend Outside to inner thread sleeve (9), and the bottom end of screw rod (10) is welded with the first tapered gear (11), on the side inner wall of chamber (6) It offers first through hole (12), is rotatably equipped with rotating bar (13) in first through hole (12), the both ends of rotating bar (13) extend Outside to first through hole (12), and one end of rotating bar (13) extends in chamber (6) and is welded with the second tapered gear (14), the Two tapered gears (14) are engaged with the first tapered gear (11), and the second tapered gear (14) is located at the first tapered gear (11) Top.

2. a kind of seat of rotation according to claim 1, it is characterised in that: the rotating bar (13) is far from chamber (6) One end be welded with handle, and fixing sleeve is set there are two first bearing in rotating bar (13), and the outer ring of first bearing is logical with first The inner wall in hole (12) is fixedly connected.

3. a kind of seat of rotation according to claim 1, it is characterised in that: the bottom of the rotation seat (2) offers First groove, fixing sleeve is equipped with second bearing on support (1), and the outer ring of second bearing is fixedly connected with the inner wall of the first groove.

4. a kind of seat of rotation according to claim 1, it is characterised in that: offer two at the top of the cross bar (8) A second through-hole is slidably fitted with gag lever post in the second through-hole, and it is logical that the top and bottom end of gag lever post all extend to corresponding second Outside hole, the top and bottom end of gag lever post are fixedly connected with the top inner wall of square type through-hole (7) and bottom interior wall respectively.

5. a kind of seat of rotation according to claim 1, it is characterised in that: opened in the top inner wall of the chamber (6) Equipped with the second groove, the top of screw rod (10) is extended in the second groove, and fixing sleeve is equipped with 3rd bearing on screw rod (10), the The outer ring of three bearings is fixedly connected with the inner wall of the second groove.

6. a kind of seat of rotation according to claim 1, it is characterised in that: be fixedly installed with card in the chamber (6) Block offers third through-hole at the top of fixture block, and screw rod (10) is rotatably installed in third through-hole, and fixation is arranged on screw rod (10) There is fourth bearing, the outer ring of fourth bearing is fixedly connected with the inner wall of third through-hole.