CN2847986Y

CN2847986Y - Square head regulator

Info

Publication number: CN2847986Y
Application number: CN 200520142891
Authority: CN
Inventors: 黄星浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2005-12-09
Filing date: 2005-12-09
Publication date: 2006-12-20
Anticipated expiration: 2015-12-09

Abstract

The utility model discloses a square head regulator, including mutual articulated base and back rest, the cover is equipped with the torsional spring on its hinge, base one side is provided with the sliding sleeve, be equipped with the slide bar in the sliding sleeve, the cover is equipped with the spring on the slide bar, slide bar one end is outwards stretched out from the sliding sleeve, its other end that is located the sliding sleeve is equipped with the push pedal, the sliding sleeve serves at the slide bar and is equipped with spring limit structure, be provided with the regulation pole corresponding with the slide bar push pedal on the other end, the spring is located between push pedal and the limit structure, the one end that the slide bar stretches out the sliding sleeve is equipped with the retaining member, the stretching out of slide bar serves the fastener that is. Through the utility model discloses can adjust the front and back angle of elevation of seat back, have outstanding result of use such as simple structure, small, light in weight, regulation convenience, stable performance.

Description

A kind of square toes adjuster

Technical field

The utility model relates to a kind of square toes adjuster, is meant or rather to be installed in the device that is used to regulate both angles between back rest and the seat frame and plays cushioning effect.

Background technology

In daily life and office space, people can use various seats, they are all different on moulding and structure, but it is constant that a common index is arranged, that is exactly the comfortableness of seat, under the prerequisite that guarantees its comfortableness, people constantly improve and make it possess more function, as chair, swivel chair, chair lift or the like, the appearance of these products is received by the market, with the swivel chair is example, it is mainly by seat cushion, backrest, the claw type back shaft, rotating shaft, castor and elevation and subsidence regulating device are formed, the shaft set of seat frame bottom is in back shaft, arc curved booms by 90 degree between back rest and the seat frame are connected, curved boom has certain elasticity, generally all be set with the resilient sleeve that is accordion on it, the seat frame bottom is provided with buffer unit, with the strength of buffering human body when pressured backward, this buffer unit comprises on make-up fit cylindrical, lower house, be provided with spring in the housing, one traveller extends through curved boom downwards from the seat frame bottom and is threaded with lower house, upper shell and arc curved boom lean, though such structure can provide certain buffering surplus for backrest, but the angle between backrest and the seat still can't be regulated as required, and also there is same problem in other various types of seats.

The utility model content

At the deficiency that prior art exists, the purpose of this utility model is to provide a kind of square toes adjuster simple in structure, easy to use.It can not only the adjustment seat chair back and the seat between angle, can also play good cushioning effect.

For achieving the above object, the technical solution adopted in the utility model is: a kind of square toes adjuster, comprise the base and the backrest seat that are hinged, be set with torsion spring on its hinge, base one side is provided with sliding sleeve, be provided with slide bar in the sliding sleeve, be set with spring on the slide bar, slide bar one end is protruding from sliding sleeve, its other end that is positioned at sliding sleeve is provided with push pedal, slide over the end that slide bar passes and be provided with the spring position limiting structure, the other end is provided with and the corresponding adjusting rod of slide bar push pedal, spring is between push pedal and position limiting structure, the end that slide bar stretches out sliding sleeve is provided with locking member, and this locking member is formed by stacking by a plurality of locking plates that obliquely are arranged between base and the backrest seat, and locking plate one end is sleeved on the slide bar by the slide opening on it, the other end is contained in by the shaft hole sleeve on it in rotating shaft of backrest seat, and the external part of slide bar is provided with the securing member that can above-mentioned locking plate and sliding sleeve end face be compressed mutually by spring.

Be set with the pad between each locking plate on the described slide bar, also be provided with pad between locking plate and sliding sleeve end face, locking plate and the securing member.

Described adjusting rod is hinged by rotating shaft and sliding sleeve opening, the end that adjusting rod leans with the slide bar push pedal in rotation process has two working faces, the vertical range at one of them working face and rotating shaft center is greater than the vertical range at another working face and rotating shaft center, and the adjusting rod outer end is a handle

Described position limiting structure is flanging or projection or the convex edge that the sliding sleeve opening inwardly tightens up.

Described slide bar is a threaded rod, and its end of thread stretches out sliding sleeve, and the described securing member that compresses locking plate is a nut.

Described base and backrest seat comprise base plate and upright biside plate, and biside plate forms spatial accommodation.

Described base and backrest seat take the shape of the letter U.

Described sliding sleeve and base side plate are perpendicular and stretch into the base certain distance, and an end is positioned at base inside, and the other end is positioned at chassis outer side.

Described base and backrest seat are hinged at the angle point place of its side plate, and the open top of backrest seat is relative with the side opening of base, is the interlock shape, and the side plate opposite face is the inclined-plane,

The base plate of described base is provided with the location journal stirrup at the Qi Sijiao place, offers installing hole on the journal stirrup.

Offer the axis hole suitable with slide bar on described base and the sliding sleeve opposing sideplates, slide bar passes this axis hole and is horizontally set with between the base biside plate.

Be provided with between the biside plate of described backrest seat with its base plate perpendicular be used for the installing plate that links to each other with back rest, installing plate is provided with installing hole.

Operation principle of the present utility model is: its base and seat frame fix during use, backrest seat and back rest fix, base and backrest seat are hinged and play the effect of similar hinge, but make backrest with respect to the seat swing, torsion spring on the hinge plays support, cushioning effect, since the locking plate two ends respectively with base on slide bar and the rotating shaft on the backrest seat be hinged, therefore the angle between base and the backrest seat is determined by the oblique locking plate that is arranged between the two, when adjusting rod when the nearer front end face of its rotating shaft and slide bar push pedal lean, slide bar is compressing the pad between locking plate and locking plate with the sliding sleeve end face mutually by nut under the effect of spring, the effect drop shot in frictional force can not move in the slide opening at locking plate this moment, be that base and backrest seat can not relatively rotate, when control crank outwards moves by adjusting rod front end face promotion slide bar, will produce the gap between nut on the slide bar and the locking plate, thereby the clamping force of laying down, this moment slide bar just can be in the hole, Weihe of locking plate freely-movable, be that base and backrest seat can relatively rotate, after being adjusted to suitable angle, again control crank make slide bar reset with locking plate clamp again can realize the location.Have simple in structure, outstanding results of use such as volume is little, in light weight, easy to adjust, stable performance.

Description of drawings

Fig. 1 is an overall structure schematic diagram of the present utility model;

Fig. 2 is a decomposition texture schematic diagram of the present utility model;

Fig. 3 is the decomposition texture schematic diagram of slide bar and locking member;

Structural representation when Fig. 4 does not install locking member and slide bar for the utility model;

Structural representation when Fig. 5 is in locking state for the utility model, wherein Fig. 5 (a) is the A-A cross-sectional schematic of Fig. 5 (b), Fig. 5 (c) is the B-B cross-sectional schematic of Fig. 5 (b);

The structural representation when but Fig. 6 is in adjustment state for the utility model, wherein Fig. 6 (a) is the C-C cross-sectional schematic of Fig. 6 (b), Fig. 6 (c) is the D-D cross-sectional schematic of Fig. 6 (b).

Specific embodiment

Below in conjunction with accompanying drawing the utility model is described in further detail.

Description of reference numerals:

1---base 2---sliding sleeve

3---backrest seat 4---transverse axis

5---rotating shaft 6---torsion spring

7---screw rod 8---spring

9---push pedal 10---square washer

11---adjusting rod 12---handle

13---locking plate 14---nut

15---connector 16---circular gasket

As Fig. 1, Fig. 2, Fig. 3, shown in Figure 4, base 1 takes the shape of the letter U, biside plate by base plate and bending is downwards formed, be provided with connector 15 between the biside plate, four jiaos of place's journal stirrups of base plate for being used for linking to each other with seat frame, vertically be provided with a rectangle sliding sleeve 2 on its left plate, sliding sleeve 2 one ends are positioned at the base inboard, its opening has four flangings that inwardly fold, the other end is positioned at chassis outer side, its opening is a U-shaped hinged seat, offer through hole that passes for slide bar and the axis hole that is hinged with backrest seat 3 on the right plate of base 1, backrest seat 3 also takes the shape of the letter U, form by base plate and upright biside plate, be provided with the transverse axis 4 that is used for the suit locking plate between the biside plate, also be provided with between its biside plate and be used for the installing plate that links to each other with back rest, this installing plate and base plate are perpendicular, offer installing hole on it, base 1 is hinged by rotating shaft 5 at the angle point place of its side plate with backrest seat 3, the open top of backrest seat 3 is relative with the side opening of base 1, and the opposite face of its side plate is the inclined-plane, and both are the interlock shape, be set with two torsion springs that are arranged side by side 6 in the rotating shaft 5, the arm of turning round of torsion spring 6 suppresses respectively on the transverse axis 4 with the base plate of base 1 and backrest seat 3.Be provided with screw rod 7 in the sliding sleeve 2, be set with spring 8 on the screw rod 7, the end of thread of screw rod 7 is protruding from the interior side opening of sliding sleeve 2, the through hole that passes on another side plate is horizontally installed in the base, and parallel with transverse axis 4 on the backrest seat, be fitted with square push pedal 9 on the screw head, spring 8 suppresses on the flanging of sliding sleeve 2 by square washer 10.Adjusting rod 11 is hinged by the U-shaped seat of rotating shaft and sliding sleeve opening, the end that adjusting rod 11 leans with slide bar push pedal 9 in rotation process is the obtuse angle folding surface, comprise two planes, the vertical range at one of them plane and rotating shaft center is greater than the vertical range at another plane and rotating shaft center, but adjusting rod just lead-screw side-to-side movement in sliding sleeve when swing like this, realization is to the clamping of locking plate or loosen, the end of adjusting rod 11 is a handle 12, offers promising its on the sliding sleeve 2 gap in swing space is provided.Locking member is formed by stacking by a plurality of locking plates 13, locking plate 13 1 ends are sleeved on the screw rod 7 by the strip slide opening on it, the other end is contained on the transverse axis 4 of backrest seat by the shaft hole sleeve on it, locking plate obliquely is arranged between base 1 and the backrest seat 3, between the locking plate, between locking plate and the sliding sleeve end face, be provided with circular gasket 16 between locking plate and the securing member, screw rod 7 is provided with the nut 14 that locking plate and pad thereof and sliding sleeve end face are compressed mutually, owing to adopted multi-sheet structure and between locking plate, be provided with pad, when therefore locking plate is locked, under the effect of spring force, can obtain enough frictional force and prevent that screw rod and locking plate from doing relative motion, effectively support the backrest seat and prevent its rotation.

As shown in Figure 4, when adjusting rod when the nearer front end face of its rotating shaft and screw rod push pedal lean, screw rod is compressing the pad between locking plate and locking plate with the sliding sleeve end face mutually by nut under the effect of spring, can not in slide opening at locking plate move at screw rod under the effect of frictional force this moment, and promptly base and backrest seat can not relatively rotate.

As shown in Figure 5, when the moving control crank of upper plate outwards moves by adjusting rod front end face lead-screw, will produce the gap between nut on the screw rod and the locking plate, thereby the clamping force of laying down, this moment screw rod just can be in the slide opening of locking plate freely-movable, be that base and backrest seat can relatively rotate, after being adjusted to suitable angle, again with handle to press down make slide bar reset with locking plate clamp again can realize the location.

The utility model is not limited to above-mentioned preferred forms, and anyone can draw other various forms of products under enlightenment of the present invention.For example two of torsion spring turn round arm respectively with base or backrest seat on support component lean, this support component can be riser or projection or back shaft; Or the sliding sleeve opening adopts convex edge, projection cube structure and spring to lean.Though but on its shape or structure, do any variation, every have identical with a application or akin technical scheme, all drops within the protection domain of the present utility model.

Claims

1, a kind of square toes adjuster, it is characterized in that, comprise the base and the backrest seat that are hinged, be set with torsion spring on its hinge, base one side is provided with sliding sleeve, be provided with slide bar in the sliding sleeve, be set with spring on the slide bar, slide bar one end is protruding from sliding sleeve, its other end that is positioned at sliding sleeve is provided with push pedal, slide over the end that slide bar passes and be provided with the spring position limiting structure, the other end is provided with and the corresponding adjusting rod of slide bar push pedal, spring is between push pedal and position limiting structure, the end that slide bar stretches out sliding sleeve is provided with locking member, and this locking member is formed by stacking by a plurality of locking plates that obliquely are arranged between base and the backrest seat, and locking plate one end is sleeved on the slide bar by the slide opening on it, the other end is contained in by the shaft hole sleeve on it in rotating shaft of backrest seat, and the external part of slide bar is provided with the securing member that can above-mentioned locking plate and sliding sleeve end face be compressed mutually by spring.

2, square toes adjuster according to claim 1 is characterized in that, is set with the pad between each locking plate on the described slide bar, also is provided with pad between locking plate and sliding sleeve end face, locking plate and the securing member.

3, square toes adjuster according to claim 2, it is characterized in that, described adjusting rod is hinged by rotating shaft and sliding sleeve opening, the end that adjusting rod leans with the slide bar push pedal in rotation process has two working faces, the vertical range at one of them working face and rotating shaft center is greater than the vertical range at another working face and rotating shaft center, and the adjusting rod outer end is a handle.

4, square toes adjuster according to claim 3 is characterized in that, described position limiting structure is flanging or projection or the convex edge that the sliding sleeve opening inwardly tightens up.

5, square toes adjuster according to claim 4 is characterized in that, described slide bar is a threaded rod, and its end of thread stretches out sliding sleeve, and the described securing member that compresses locking plate is a nut.

6, square toes adjuster according to claim 5 is characterized in that, described base and backrest seat comprise base plate and upright biside plate, and biside plate forms spatial accommodation.

7, square toes adjuster according to claim 6 is characterized in that, described base and backrest seat take the shape of the letter U.

8, square toes adjuster according to claim 7 is characterized in that, described sliding sleeve and base side plate are perpendicular and stretch into the base certain distance, and an end is positioned at base inside, and the other end is positioned at chassis outer side.

9, square toes adjuster according to claim 8 is characterized in that, described base and backrest seat are hinged at the angle point place of its side plate, and the open top of backrest seat is relative with the side opening of base, is the interlock shape, and the side plate opposite face is the inclined-plane,

10, square toes adjuster according to claim 9, it is characterized in that, the base plate of described base is provided with the location journal stirrup at the Qi Sijiao place, offer installing hole on the journal stirrup, offer the axis hole suitable on described base and the sliding sleeve opposing sideplates with slide bar, slide bar passes this axis hole and is horizontally set with between the base biside plate, be provided with between the biside plate of described backrest seat with its base plate perpendicular be used for the installing plate that links to each other with back rest, installing plate is provided with installing hole.