CN209003256U - Driven type chaise longue drives locking device - Google Patents

Abstract

The utility model discloses a kind of driven type chaise longues to drive locking device, seat plate rear end is hinged by rear dead axle and backrest, the front side of seat plate is hinged with leg support plate by preceding dead axle, the end of backrest drive rod and leg support drive rod is hinged with the both ends of push-pull rod respectively, and push-pull shaft is provided in the middle part of push-pull rod；One swings the side that piece is hinged on seat plate by fixing axle, which is provided with the flat hole of automatic adjustment and is sleeved on push-pull shaft, swing and be provided with external gear on the upside of piece；The side of seat plate is provided with forward and backward positioning sleeve, screw rod is set in positioning sleeve, the end of screw rod is connect with driving motor shaft, and screw flight is engaged with the external gear.The utility model realizes the synchronous adjustment of backrest and leg support plate by the rotation of control screw rod, and simple to operate, using effect is good.Seat can also be made to become flat bed, be especially suitable for office worker's lunch break and use, practicability is very strong, is suitble to promote and apply.

Description

Driven type chaise longue drives locking device

Technical field:

The utility model relates to the office seating technical fields for the adjusting that can lie down, and in particular to a kind of driven type chaise longue Drive locking device.

Background technique:

Modern people's work and life pressure is very big, is in metropolitan office worker substantially and cannot achieve noon and go home to stop The condition of breath, since working Comparision is tired and is pressed for time, noon, which suitably rests, is conducive to physical and mental health, can regain one's vigor, Help to improve working efficiency.Since working environment is special and narrow space factor, current most of office workers even boss is Can only lie prone the lunch break on desk, or lie in lunch break on office seating.Normal office seat cannot achieve the function of lying low, and have The office of condition accompany have can semi-lying type office seating, purpose is exactly the needs in order to meet lunch break.But existing semi-lying Formula office seating does not all have leg support function substantially, and recumbency sleep cannot hold leg, and effective rest is not achieved.Good old of condition Plate chair makes improvement in comfort level and the degree of lying low, and equipped with telescopic leg support, this is current five-star office seating Configuration.Even if the structure of existing executive chair, leg support still needs to be pulled out with hand level, is used to support leg support two sides parallel bar Guide sleeve carrying body one third gravity, bear most of weight because turning over or standing up to will cause leg support, thus this The intensity of kind horizontal movable type leg support is poor, often fracture fracture.

Utility model content:

The utility model is directed to current existing lying posture office seating there are structures simple, and it is same with backrest to cannot achieve leg support The leg support of the problem of moved further and existing executive chair horizontal can only pull out and retraction, problem troublesome in poeration and poor intensity, A kind of driven type chaise longue driving locking device with linkage function is provided, can mutually be tied with common lying posture office seating It closes, realizes simple adjustment, improve comfort purpose.

Technical solution: a kind of driven type chaise longue driving locking device, seat plate rear end is hinged by rear dead axle and backrest, and It is provided with the regulating mechanism of angle between control backrest and seat plate, while leg support is hinged with by preceding dead axle in the front side of seat plate Plate will be provided with more than preceding dead axle on the upside of leg support plate and be bent downwardly the leg support drive rod extended to；And by the backrest Downside is provided with more than rear dead axle and is bent downwardly extended backrest drive rod；The end of the backrest drive rod and leg support drive rod End is articulated with the both ends of push-pull rod by rear moving axis and preceding moving axis respectively, push-pull shaft is provided in the middle part of push-pull rod, the push-pull shaft Flexible adjustable mechanism is set；One swings the side that piece is hinged on seat plate by fixing axle, which is provided with automatic tune Flat hole is saved, the push-pull shaft is set in the flat hole of automatic adjustment, swings and be provided with external gear on the upside of piece；It is provided with driving external tooth Take turns the motor-driven mechanism of rotation.

The motor-driven mechanism is that the side of seat plate is provided with forward and backward positioning sleeve, and screw rod is set in positioning sleeve, The end of screw rod is connect with driving motor shaft, and screw flight is engaged with the external gear.

The flexible adjustable mechanism is that push-pull rod is divided into two sections, is used as linkage for hinged one section with the rear moving axis Section, push-pull shaft setting are fixed with telescopic in the linkage section, and in the end of the linkage section；With it is hinged on the preceding moving axis One section is used as adjusting section, adjusting section suit and adjusting set inside and can be slidably matched between adjusting set；On telescopic It is provided with and adjusts the handwheel regulating mechanism of mobile relationship between section for adjusting push-pull rod linkage section and push-pull rod.

The handwheel regulating mechanism includes the fixing seat being fixed on the outside of telescopic, and adjusting is horizontally installed in fixing seat Axis, one end that adjustment axis is located on the inside of fixing seat are equipped with internal gear, and a part of the internal gear is arranged through adjusting set side wall Relief hole after be located inside adjusting set, the side that the push-pull rod adjusts section is provided with rack gear, the rack gear and the internal tooth Wheel engagement；It is movably installed with handwheel in the adjustment axis, is spline connection relationship between handwheel and adjustment axis；On the outside of handwheel Spring is connected between face and the block machine of adjustment axis outer end setting；It is provided between the medial surface and fixing seat of the handwheel convex Recessed clamping structure.

The utility model has the following beneficial effects: the utility model changes to currently used for lying posture office seating Into overcoming existing lying posture seat to lack leg support or leg support design not suitable for being transformed to office seating or executive chair Reasonable problem.The synchronous adjustment of backrest and leg support plate, simple to operate, using effect are realized by the rotation of control screw rod It is good.Adjusted using the maximization that backrest and leg support may be implemented in the manual-lock of the utility model, thus reach make backrest, Seat plate and leg support are maintained at same plane, and seat is made to become flat bed, are especially suitable for office worker's lunch break and use, practicability is very By force, it is suitble to promote and apply.

The utility model can drive the backrest for realizing seat and leg support synchronous expansion and folding movement by micromotor. The utility model can be realized the adjusting to push-and-pull pole length by means of handwheel regulating mechanism simultaneously, thus carrying out backrest and leg When holding in the palm synchronously control, it is able to maintain the two and carrys out synchronizing moving at different angles.Handwheel in the utility model adjusts machine Structure is located at seat side, and by pulling out selection and being locked after loosing one's grip automatically, easy to operate effect is good.

Detailed description of the invention

Fig. 1 is the side unfolded state schematic diagram of the utility model manual-lock.

Fig. 2 is the side folded state schematic diagram of the utility model manual-lock.

Fig. 3 is the portion C enlarged structure schematic diagram in Fig. 2.

Fig. 4 is the structural schematic diagram of handwheel regulating mechanism in Fig. 2.

Fig. 5 is A-A the schematic diagram of the section structure in Fig. 4.

Figure label: 1 is seat plate, and 2 be backrest, and 3 be leg support plate, and 4 be rear dead axle, and 5 be preceding dead axle, and 6 be backrest drive rod, 7 be leg support drive rod, and 81 link section for push-pull rod, and 82 adjust section for push-pull rod, and 83 be rack gear, and 9 be push-pull shaft, 10 be after move Axis, 11 be preceding moving axis, and 12 be positioning sleeve, and 13 be screw rod, and 14 be driving motor, and 15 is swing piece, and 16 be telescopic, and 17 be handwheel Regulating mechanism, 171 be fixing seat, and 172 be adjustment axis, and 173 be handwheel, and 174 be internal gear, and 175 be axle sleeve, and 176 be spring, 177 be block machine, and 178 be clamp, and 179 be card slot, and 18 be relief hole, and 19 be fixing axle, and 20 is automatically adjust flat hole, and 21 be external tooth Wheel, 22 be bracket.

Specific embodiment:

Embodiment 1: referring to figure 1 and figure 2, it includes seat plate 1, backrest 2 and leg that driven type chaise longue, which drives locking device, Supporting plate 3, wherein 1 rear end of seat plate is hinged with backrest 2 by rear dead axle 4, and the front side of seat plate 1 is hinged with leg support plate by preceding dead axle 5 3。

The upside of leg support plate 3 is provided with more than preceding dead axle 5 and is bent downwardly the leg support drive rod 7 extended to, and by institute The downside for stating backrest 2 is provided with more than rear dead axle 4 and is bent downwardly extended backrest drive rod 6.The backrest drive rod 6 and leg The end of support drive rod 7 passes through rear moving axis respectively and preceding moving axis is articulated with the both ends of push-pull rod, is provided with and pushes away in the middle part of push-pull rod Pulling shaft 9.To which backrest and leg support plate synchronous hunting can be driven simultaneously when driving push-pull rod to be moved forward and backward, it can realize Backrest and the linkage of leg support plate.

One swings the side that piece 15 is hinged on seat plate 1 by fixing axle, and it is flat that automatic adjustment is provided on the swing piece 15 Hole 20, the push-pull shaft 9 are set in the flat hole 20 of automatic adjustment.As shown in figure 3, the upside for swinging piece 15 is provided with external gear 21.It is thus possible in the way of driving swing piece drive push-pull shaft, to drive push-pull rod to be moved forward and backward.Since backrest drives Bar 6 and the mobile front and back of leg support drive rod 7 cannot be in a horizontal position always, so will cause push-pull rod during back-and-forth motion The problem of there is also swing, but can solve the problem by the way that the flat hole 20 of automatic adjustment is arranged on swinging piece 15.

The side of seat plate 1 is provided with forward and backward positioning sleeve 12, screw rod 13, the end of screw rod 13 are set in positioning sleeve 12 Portion is connect with 14 shaft of driving motor, and the screw thread of screw rod 13 is engaged with the external gear 21.It is positive and negative by control driving motor 14 To rotation, forward and reverse rotation of screw rod can be realized, it is final to realize to push-pull rod so as to drive the forward and reverse rotation of external gear Back-and-forth motion control.Due to being gear relationship between screw rod and external gear, so having self-locking function.When screw rod stops After rotation, external gear stops operating and is locked at random.

Above structure scheme can be applied to use on lying posture office seating, this infrastructure cost is not high, but energy Enough reach good using effect.The synchronous adjustment of backrest and leg support plate, side easy to operate are realized by the rotation of control screw rod Just, using effect is good.The maximization that backrest and leg support even may be implemented is adjusted, and can be maintained at backrest, seat plate and leg support Same plane as described in Figure 1, makes seat become flat bed, is especially suitable for office worker's lunch break and uses, practicability is very strong.

Embodiment 2: on that basis of example 1, push-pull rod is divided into two sections, and the purpose is in control backrest and leg support plate connection While dynamic, the linkage control in the case of different angle can be saved respectively.

Wherein, it is used as linkage section for one section hinged with rear moving axis, push-pull shaft 9 is arranged in the linkage section, and in the linkage The end of section is fixed with telescopic 16.It is used as with one section hinged on preceding moving axis and adjusts section, in adjusting section suit and adjusting set Side can simultaneously be slidably matched between adjusting set.

It is provided on telescopic 16 and adjusts mobile relationship between section 82 for adjusting push-pull rod linkage section 81 and push-pull rod Handwheel regulating mechanism 17.

As shown in Figure 4 and Figure 5, handwheel regulating mechanism 17 includes the fixing seat 171 for being fixed on 16 outside of telescopic, in fixation Adjustment axis 172 is horizontally installed on seat 171, one end that adjustment axis 172 is located at 171 inside of fixing seat is equipped with internal gear 174, should A part of internal gear 174 is located inside adjusting set after the relief hole of adjusting set side wall setting.It is adjusted in the push-pull rod The side of section is provided with rack gear, which engages with the internal gear.

It is movably installed with handwheel 173 in the adjustment axis 172, is closed between handwheel 173 and adjustment axis 172 for spline connection System, so that the rotation of handwheel can drive adjustment axis to rotate, and handwheel can under the action of the spring lock gear. It is connected with spring 176 between the block machine that 173 lateral surface of handwheel and 172 outer end of adjustment axis are arranged, under natural conditions, handwheel is pressed It is close to be forced to gear side.Convex-concave clamping structure is provided between the medial surface and fixing seat 171 of the handwheel 173.Such as Fig. 5 Shown in clamp 178 and card slot 179, under the action of the spring, clamp is forced into card slot, thus realize to gear lock It is fixed.

The present embodiment can by means of handwheel regulating mechanism realize to push-and-pull pole length adjusting, thus carry out backrest and When leg support synchronously control, it is able to maintain the two and carrys out synchronizing moving at different angles.Since handwheel regulating mechanism is located at seat Chair side, by pulling out selection and being locked after loosing one's grip automatically, easy to operate effect is good.

Claims (4)

1. a kind of driven type chaise longue drives locking device, seat plate rear end is hinged by rear dead axle and backrest, and is provided with control The regulating mechanism of angle between backrest and seat plate, it is characterized in that: leg support plate is hinged with by preceding dead axle in the front side of seat plate simultaneously, It will be provided on the upside of leg support plate more than preceding dead axle and be bent downwardly the leg support drive rod extended to；And by the downside of the backrest It is provided with more than rear dead axle and is bent downwardly extended backrest drive rod；The end of the backrest drive rod and leg support drive rod point The both ends of push-pull rod are not articulated with by rear moving axis and preceding moving axis, push-pull shaft is provided in the middle part of push-pull rod, push-pull shaft setting Flexible adjustable mechanism；One swings the side that piece is hinged on seat plate by fixing axle, and it is flat which is provided with automatic adjustment Hole, the push-pull shaft are set in the flat hole of automatic adjustment, swing and be provided with external gear on the upside of piece；It is provided with driving external tooth rotation Dynamic motor-driven mechanism.

2. driven type chaise longue according to claim 1 drives locking device, it is characterized in that: the motor-driven mechanism is The side of seat plate is provided with forward and backward positioning sleeve, screw rod is set in positioning sleeve, the end of screw rod and driving motor shaft connect It connects, screw flight is engaged with the external gear.

3. driven type chaise longue according to claim 1 drives locking device, it is characterized in that: the flexible adjustable mechanism is Push-pull rod is divided into two sections, is used as linkage section for hinged one section with the rear moving axis, push-pull shaft is arranged in the linkage section, and Telescopic is fixed in the end of the linkage section；With one section hinged on the preceding moving axis as section is adjusted, which is set with It can be slidably matched on the inside of adjusting set and between adjusting set；Be provided on telescopic for adjust push-pull rod linkage section and Push-pull rod adjusts the handwheel regulating mechanism of mobile relationship between section.

4. driven type chaise longue according to claim 3 drives locking device, it is characterized in that: the handwheel regulating mechanism packet The fixing seat being fixed on the outside of telescopic is included, adjustment axis is horizontally installed in fixing seat, adjustment axis is located on the inside of fixing seat One end is equipped with internal gear, and a part of the internal gear is located inside adjusting set after the relief hole of adjusting set side wall setting, The side that the push-pull rod adjusts section is provided with rack gear, which engages with the internal gear；It is movable in the adjustment axis Handwheel is installed, is spline connection relationship between handwheel and adjustment axis；In the block machine of handwheel lateral surface and the setting of adjustment axis outer end Between be connected with spring；Convex-concave clamping structure is provided between the medial surface and fixing seat of the handwheel.