CN203885072U

CN203885072U - Backrest adjustment member of deck chair

Info

Publication number: CN203885072U
Application number: CN201420329833.8U
Authority: CN
Inventors: 钭子奇
Original assignee: Zhejiang Qunying Vehicles Co Ltd
Current assignee: Zhejiang Qunying Vehicles Co Ltd
Priority date: 2014-06-19
Filing date: 2014-06-19
Publication date: 2014-10-22
Anticipated expiration: 2024-06-19

Abstract

The utility model discloses a backrest adjustment member of a deck chair. The backrest adjustment member comprises a mounting seat, a rack seat, a locating member, an eccentric wheel and a shifting handle, wherein the adjustment member is matched with the locating member through the shifting handle, and a lower rack of the locating member is driven to be detached from an upper rack fixed on one armrest tube through upwardly wrenching the shifting handle, so that the armrest tube can move and then drives a backrest tube and a footrest tube to turn, and then, an angle is changed; after the shifting handle is released, a handle part of the shifting handle automatically falls due to the action of gravity, so that the locating member is recovered to an initial state, and the lower rack and the upper rack are snapped again; the locating member is provided with an extending wall, so that the fixing of the locating member is facilitated, most importantly, during the use of the deck chair, a body puts pressure on a backrest, an acting force is generated between the upper rack and the lower rack, and the condition that the lower rack is detached from the upper rack due to turning is prevented by the extending wall. The adjustment member has the advantages that the structure is firm and stable, the use operation is simple, and the service life is long.

Description

A kind of backrest regulating part of chaise longue

Technical field

The utility model belongs to household furniture field, is specifically related to deck chair structure technology.

Background technology

Existing chaise longue is adjusted the angle of backrest and toe board by being arranged on the governor motion of armrest positions, but existing governor motion is not to regulate that to be inconvenient to be exactly complex structure, easily damages, and result of use is undesirable.

Summary of the invention

Technical problem to be solved in the utility model is: the deficiency existing for prior art, provide a kind of simple and compact for structure, easy to adjust, and be not easy to damage the backrest regulating part of the chaise longue of long service life.

For realizing the object of the utility model, be achieved by the following technical solutions: a kind of backrest regulating part of chaise longue, includes mount pad, tooth bar seat, keeper, eccentric wheel and stir handle; The handrail tube joint face that described tooth bar seat upper end is arc, both sides, lower end are parallel side shield, between two side shields of lower end, are welded with upper rack, tooth bar seat and handrail tube are bolted to connection; Described mount pad becomes parallel and symmetrical two parts by a steel plate bending, the crooked place that the top of mount pad is steel plate, and the handrail tube auxiliary section coordinating with handrail tube upper surface is formed at the top of mount pad; Mount pad is provided with a keeper between two sides, the top of keeper is a lower tooth bar that engages location with upper rack, lower tooth bar is connected with a wall extension towards chaise longue rear direction, the lower tooth bar bottom of keeper is connected with the adjusting ring of a round rectangle, forms the positioning port of a U-shaped between adjusting ring top and lower tooth bar bottom towards a side in chaise longue front; An eccentric wheel is installed in described adjusting ring, on eccentric wheel, be connected with the handle of stirring of a control eccentric rotation, stir handle and mount pad is rotationally connected, stir handle and upwards rotate band movable eccentric wheel and drive keeper to move down to make lower tooth bar and upper rack disengaging; Between two relative walls of described mount pad, the position of corresponding keeper positioning port is fixedly welded with positioning strip, between two relative walls of mount pad, corresponding adjusting ring rearward position is fixedly welded with the location-plate that stops that adjusting ring moves forward and backward, and between two relative walls of mount pad, corresponding wall extension below is fixedly welded with the limiting plate that stops that wall extension rotates to the chaise longue back lower place; The described handle of stirring includes integrated plectane, handle portion, rotating shaft, positioning key and spacing block set; Described rotating shaft is connected to plectane Yi Ce center, and handle portion is connected on plectane and differs from rotating shaft opposite side, and positioning key is connected in rotating shaft and along rotating shaft axial distribution, and spacing block set is connected between plectane and rotating shaft; Described eccentric wheel is provided with the connecting through hole coordinating with described rotating shaft and positioning key; The outer corresponding front leg tube that connects of two opposing sidewalls of described mount pad is welded with gusset plate with the position of stirring handle, on the gusset plate on the sidewall of mount pad in chaise longue outer fix, offers the limited mouth coordinating with the spacing block set of stirring on handle; The described rotational angle of handle within the scope of limited mouth of stirring is 130 degree; The described handle of stirring is metal material, and handle portion length is 5-8 times of rotating shaft diameter.

Compared with prior art, the beneficial effects of the utility model are: described regulating part coordinates with keeper by stirring handle, by upwards pulling to stir, the lower tooth bar of hand-drive keeper and the upper rack being fixed on handrail tube are departed from, thereby thereby handrail tube can be moved drives backing tube and foot putting tube to rotate change angle then; Unclamp and stir the handle portion of stirring handle after handle because Action of Gravity Field falls automatically, keeper is restPosed, lower tooth bar engages again with upper rack.Described keeper is owing to being provided with wall extension, facilitate on the one hand the fixing of keeper, the most important thing is that health produces pressure to backrest in the time that chaise longue uses, between upper rack and lower tooth bar, produce active force, described wall extension has prevented that time tooth bar from rotating and departing from upper rack.This regulating part sound construction is stable, use simple to operate, long service life.

Brief description of the drawings

Fig. 1 is the overall structure schematic diagram of deck chair bracket.

Fig. 2 is the decomposition chart of regulating part.

Fig. 3, Fig. 4 are the structural representations of mount pad.

Fig. 5 is the structural representation of stirring handle.

Fig. 6 is the mounting structure schematic diagram of regulating part.

1, foot putting tube; 11, connector a; 2, seat tube; 21, connector b; 3, front leg tube; 4, handrail tube; 5, back leg pipe; 51, connector c; 52, connector d; 6, backing tube; 7, regulating part; 71, tooth bar seat; 711, handrail tube joint face; 712, side shield; 713, upper rack; 72, keeper; 721, wall extension; 722, lower tooth bar; 723, adjusting ring; 724, positioning port; 73, eccentric wheel; 74, stir handle; 741, plectane; 742, handle portion; 743, rotating shaft; 744, positioning key; 745, spacing block set; 75, mount pad; 751, handrail tube auxiliary section; 752, positioning strip; 753, gusset plate; 754, limited mouth; 755, limiting plate; 756, location-plate.

Detailed description of the invention

With reference to the accompanying drawings detailed description of the invention of the present utility model is made a detailed explanation below.

According to shown in Fig. 1 to Fig. 6, the backrest regulating part of a kind of chaise longue described in the present embodiment, includes mount pad 75, tooth bar seat 71, keeper 72, eccentric wheel 73 and stirs handle 74; The handrail tube joint face 711 that described tooth bar seat upper end is arc, both sides, lower end are parallel side shield 712, between two side shields of lower end, are welded with upper rack 713, tooth bar seat and handrail tube are bolted to connection; Described mount pad becomes parallel and symmetrical two parts by a steel plate bending, the crooked place that the top of mount pad is steel plate, and the handrail tube auxiliary section 751 coordinating with handrail tube upper surface is formed at the top of mount pad; Mount pad is provided with a keeper 72 between two sides, the top of keeper is a lower tooth bar 722 that engages location with upper rack, lower tooth bar is connected with a wall extension 721 towards chaise longue rear direction, the lower tooth bar bottom of keeper is connected with the adjusting ring 723 of a round rectangle, forms the positioning port 724 of a U-shaped between adjusting ring top and lower tooth bar bottom towards a side in chaise longue front; An eccentric wheel 73 is installed in described adjusting ring, what on eccentric wheel, be connected with that control eccentric rotates stirs handle 74, stir handle and mount pad is rotationally connected, stir handle and upwards rotate band movable eccentric wheel and drive keeper to move down to make lower tooth bar and upper rack disengaging; Between two relative walls of described mount pad, the position of corresponding keeper positioning port is fixedly welded with positioning strip 752, between two relative walls of mount pad, corresponding adjusting ring rearward position is fixedly welded with the location-plate 756 that stops that adjusting ring moves forward and backward, and between two relative walls of mount pad, corresponding wall extension below is fixedly welded with the limiting plate 755 that stops that wall extension rotates to the chaise longue back lower place; The described handle of stirring includes integrated plectane 741, handle portion 742, rotating shaft 743, positioning key 744 and spacing block set 745; Described rotating shaft is connected to plectane Yi Ce center, and handle portion is connected on plectane and differs from rotating shaft opposite side, and positioning key is connected in rotating shaft and along rotating shaft axial distribution, and spacing block set is connected between plectane and rotating shaft; Described eccentric wheel is provided with the connecting through hole coordinating with described rotating shaft and positioning key; The outer corresponding front leg tube that connects of two opposing sidewalls of described mount pad is welded with gusset plate 753 with the position of stirring handle, offers the limited mouth 754 coordinating with the spacing block set of stirring on handle on the gusset plate on the sidewall of mount pad in chaise longue outer fix; The described rotational angle of handle within the scope of limited mouth of stirring is 130 degree; The described handle of stirring is metal material, and handle portion length is 5-8 times of rotating shaft diameter.

As the support of Fig. 1 chaise longue includes foot putting tube 1, seat tube 2, front leg tube 3, retreats pipe 5, backing tube 6 and handrail tube 4; Described foot putting tube, seat tube, front leg tube, to retreat pipe and backing tube be to be all bent to form and to be had three sections of vertical tubular form successively by a body respectively, and described handrail tube is straight tube; Described front leg tube two ends are hinged by bearing pin with two regulating parts 7 respectively; The end of described back leg pipe is welded with connector c51, and connector c is hinged near the position of end by bearing pin and front leg tube; On back leg pipe, be welded with connector d52 in connector c below, connector d and seat tube are hinged by bearing pin; Described foot putting tube end and handrail tube leading section are hinged by bearing pin; On foot putting tube, be welded with connector a11, connector a and seat tube end are hinged by bearing pin; The body of seat tube both sides is welded with connector b21 near the position of middle body, and connector b and backing tube bottom are hinged by bearing pin; Hinged by bearing pin between the rearward end of handrail tube and backing tube; Front leg tube is positioned at seat tube lower position and is fixed with the supporting pin of supporting chair pipe; Described handrail tube and 7 sliding connections of described regulating part.

As shown in Figure 6, in the time stirring handle 74 in free state, because Action of Gravity Field handle portion is swung down to extreme position, eccentric wheel apart from rotating shaft wall far away in compared with top, the adjusting ring of keeper is by jack-up upwards, lower tooth bar is engaged with upper rack, handrail tube is fixed like this, it is fixing that the position of backing tube and foot putting tube also just keeps, when leaning against on backrest, people can produce pulling force backward to handrail tube, keeper has the trend rotating counterclockwise, described wall extension is the rotation for stopping keeper, make upper rack and lower tooth bar remain good engagement, also the wearing and tearing of tooth bar have been reduced simultaneously.In the time of pulling handle portion upwards, the eccentric wheel wall far away apart from rotating shaft turns to compared with below, and the adjusting ring of keeper moves down thereupon, and lower tooth bar and upper rack also depart from thereupon, now just can arbitrarily adjust the angle of backrest, while reaching proper angle, unclamp and stir handle.

Claims

1. a backrest regulating part for chaise longue, is characterized in that: include mount pad, tooth bar seat, keeper, eccentric wheel and stir handle; The handrail tube joint face that described tooth bar seat upper end is arc, both sides, lower end are parallel side shield, between two side shields of lower end, are welded with upper rack, tooth bar seat and handrail tube are bolted to connection; Described mount pad becomes parallel and symmetrical two parts by a steel plate bending, the crooked place that the top of mount pad is steel plate, and the handrail tube auxiliary section coordinating with handrail tube upper surface is formed at the top of mount pad; Mount pad is provided with a keeper between two sides, the top of keeper is a lower tooth bar that engages location with upper rack, lower tooth bar is connected with a wall extension towards chaise longue rear direction, the lower tooth bar bottom of keeper is connected with the adjusting ring of a round rectangle, forms the positioning port of a U-shaped between adjusting ring top and lower tooth bar bottom towards a side in chaise longue front; An eccentric wheel is installed in described adjusting ring, on eccentric wheel, be connected with the handle of stirring of a control eccentric rotation, stir handle and mount pad is rotationally connected, stir handle and upwards rotate band movable eccentric wheel and drive keeper to move down to make lower tooth bar and upper rack disengaging; Between two relative walls of described mount pad, the position of corresponding keeper positioning port is fixedly welded with positioning strip, between two relative walls of mount pad, corresponding adjusting ring rearward position is fixedly welded with the location-plate that stops that adjusting ring moves forward and backward, and between two relative walls of mount pad, corresponding wall extension below is fixedly welded with the limiting plate that stops that wall extension rotates to the chaise longue back lower place; The described handle of stirring includes integrated plectane, handle portion, rotating shaft, positioning key and spacing block set; Described rotating shaft is connected to plectane Yi Ce center, and handle portion is connected on plectane and differs from rotating shaft opposite side, and positioning key is connected in rotating shaft and along rotating shaft axial distribution, and spacing block set is connected between plectane and rotating shaft; Described eccentric wheel is provided with the connecting through hole coordinating with described rotating shaft and positioning key; The outer corresponding front leg tube that connects of two opposing sidewalls of described mount pad is welded with gusset plate with the position of stirring handle, on the gusset plate on the sidewall of mount pad in chaise longue outer fix, offers the limited mouth coordinating with the spacing block set of stirring on handle; The described rotational angle of handle within the scope of limited mouth of stirring is 130 degree; The described handle of stirring is metal material, and handle portion length is 5-8 times of rotating shaft diameter.