CN207744905U - A kind of armchair structure reclined - Google Patents

Abstract

The utility model discloses the armchair structure that one kind can recline, including pedestal, the chair back, two make movable plate, seat, side arm, after-frame, Lumbar, which there is side frame, front to be equipped with joint portion；Chair back both sides have the first side lever, and side engagement portion is equipped with below the first side lever；Two make the top of movable plate and the pivot joint of side frames rear, make movable plate and are equipped with for opposite the second guide groove for making movable plate displacement of side engagement portion；There are seat two second side levers, the second side lever to be pivotally connected and equipped with joint portion with movable plate is made；Side arm and two makees movable plate pivot joint, which is provided with and engages upper and lower joint portion with the joint portion of seat and pedestal；After-frame is pivotally connected with the chair back and side arm；Lumbar engages with after-frame and is set to chair back lower position；The seat of the above structure, which is changed by seating posture to can reduce human body back when lying or leaning posture and correspond to the chair back, to recline change in location, and Lumbar can promote lying or leaning comfort towards the chair back displacement when chair back is swung back.

Description

A kind of armchair structure reclined

Technical field

The utility model is related to a kind of armchair structure reclined, specially a kind of seating posture changes into lying or leaning posture When, human body back can be reduced with respect to the structure that seat-back position changes.

Background technology

It is well known that promote comfort and applicability, seat has and can be swung back with respect to seat in order to which user is lying or leaning The chair back, be as shown in Figure 10 common one of the structure of chaise longue, include mainly 1 ＇ of a pedestal, 2 ＇ of a seat, 3 ＇ of a chair back, the base 1 ＇ of seat is provided with 11 ＇ of first pivoting portion on rear side of top, and central front is provided with 12 ＇ of guiding shifting part, is provided with and leads on front side of 2 ＇ of seat Move 21 ＇ of bar, and this lead move bar 21 ＇ can be in 12 ＇ displacements of the guiding shifting part, and in rear end 22 ＇ of setting second pivoting portion；3 ＇ of the chair back in Lower section is provided with 31 ＇ of third articulated section with the first pivoting portion 11 ＇ pivot joints of 1 ＇ of pedestal, and is set below 31 ＇ of third articulated section It is equipped with 32 ＇ of the 4th articulated section with second pivoting portion 22 ＇ of 2 ＇ of seat pivot joints, being provided with to evagination on 3 ＇ of the chair back can be against 33 ＇ of Lumbar of human body waist.

3 ＇ of the chair back of aforementioned structure can provide occupant to take posture seating, and head corresponds on 3 ＇ of the chair back when taking The waist b ＇ of the positions a ＇, occupant can correspond to 33 positions ＇ of Lumbar of protrusion, but enable 3 ＇ of the chair back layback amplitude increase when can drive chair 2 ＇ of seat rise and Forward, and make to lead move 21 ＇ of bar can be in the 12 ＇ position displacements of guiding shifting part of 1 ＇ of pedestal so that occupant back can be by Lying or leaning posture it is lying or leaning on 3 ＇ of the chair back to promote comfort.

However 3 ＇ of the chair back will be caused substantially to change with human body back relative position when 3 ＇ reclined by angle of the chair back increases, such as scheme Show that datum mark c ＇, the d ＇ of 3 ＇ of the middle chair back, 2 ＇ of the seat distance when taking posture are e ＇, datum mark c ＇ when lying or leaning posture, d ＇ away from From for f ＇, which is much larger than e ＇ length, length difference about 45~60mm, the position for causing human body back to recline with 3 ＇ of the chair back Substantially change, and forming middle human body back as shown and corresponding to 3 ＇ of the chair back and slide makes head be located at the situation of the positions g ＇, causes lying or leaning It is uncomfortable, and it is lying or leaning when human body waist cannot correspond to 33 ＇ of Lumbar, and cause waist top position against the Lumbar of protrusion 33 ＇ more cause lying or leaning uncomfortable situation.

Utility model content

To solve the above-mentioned problems, the purpose of this utility model is to provide a kind of seating postures to change into lying or leaning posture When, human body back can be reduced with respect to the structure that seat-back position changes；The seat that active waist leans on is provided on specially a kind of chair back Structure, the Lumbar are different in the height for taking posture from the opposite chair back protrudes when lying or leaning posture.

The utility model be solve its technical problem and the technical solution adopted is that：

A kind of armchair structure reclined, including:One pedestal, both sides have corresponding side frame, and front, which is provided with, to be connect First pivoting portion is arranged in conjunction portion, rear；One chair back, both sides have the first side lever, have bottom bar below, and in two first It is provided with side engagement portion below side lever；Two are made movable plate, are strip plate body, are respectively arranged on the both sides of pedestal, and top is arranged Second pivoting portion, second pivoting portion and the first pivoting portion at pedestal rear are pivotally connected, and are provided with and can be engaged with side engagement portion as movable plate The second guide groove, make the different high and low positions below movable plate and third articulated section, the 4th articulated section be respectively set；One seat, has Two the second side levers, the rear end of two the second side levers are provided with the be able to the pivot joint of two third articulated sections for making movable plate The front of five articulated sections, two the second side levers is all provided with joint portion；One side arm is set to seat lower position, and has phase To two the first side plates, the rear of two the first side plates is provided with the 6th articulated section being pivotally connected with the 4th articulated section, preceding Frame has been respectively arranged in front with bond post, lower bond post, bond post, lower the bond post engagement with seat and pedestal respectively on this Portion engages, and the 7th articulated section is additionally provided on side arm；One after-frame, tool is there are two the second opposite side plate, after second side plate Side is provided with the 8th articulated section being pivotally connected with the side engagement portion of the chair back, and the 7th articulated section pivot with side arm is provided in front of after-frame The tenth articulated section connect；When the seat corresponds to seating posture, the side engagement portion of the chair back corresponds to the top position of the second guide groove, enables chair Two can be driven to make movable plate when facing upward posture angle lying or leaning to correspondence behind so that seat and side arm, after-frame displacement, and side is made to engage Position moves to the lower position of the second guide groove and towards seat displacement.

Further, further include a Lumbar, the chair back is provided with lower joint portion on bottom bar；The after-frame is arranged at rear There is the 9th articulated section being pivotally connected with Lumbar；The Lumbar is set to the lower position of the chair back, and there are two side lever portion, Lumbars for Lumbar tool Lower section has bottom bar portion, and two side lever portions are all provided with the 11st articulated section with the 9th articulated section pivot joint on after-frame, described Bottom bar portion is set on the lower joint portion, and so that seat is corresponded to Lumbar when taking posture and externally protruded out in the front of the chair back, after the chair back Face upward to can be driven when lying or leaning postural position it is described make movable plate, side arm, after-frame so that Lumbar towards chair back displacement to reduce Lumbar Protrude from the height of the chair back.

Further, the lower joint portion is provided with the engaging groove that can be placed in bottom bar portion, and the width of the engaging groove is more than waist The width in the bottom bar portion leaned on, further includes two springs, and the both ends of the spring are engaged with side lever portion and the second side plate respectively.

Further, the joint portion of the pedestal and seat is respectively equipped with the first guide groove and third guide groove, the first guide groove, second Sliding is provided with the first sliding block, the second sliding block and third sliding block respectively on guide groove and third guide groove, and the side engagement portion is provided with Bond post, correspondence connects with the second sliding block, third sliding block, the first sliding block respectively for the bond post, upper bond post, lower bond post It closes.

Further, the side engagement portion on the chair back has two joint fasteners arranged above and below, and bond post is set to and is somebody's turn to do On joint fastener, the quantity of second guide groove is two, and two the second guide grooves correspond to two joint fasteners arranged above and below.

Further, the both sides of the pedestal are equipped with pillar, and two side frames are respectively arranged on two pillars.

Further, the center of the pedestal, which has, is equipped with a pillar, and crossbearer, two side frames are provided with above the pillar It is respectively arranged at the both sides of the crossbearer.

Further, for the pedestal in being provided with fixing button on a side frame, which has engaging hole and packing knob；Institute The guide bar for being provided on side arm and being engaged with the lower bond post is stated, clamping block is provided on the guide bar, the clamping block Side has the inserting column that can be interspersed in engaging hole, and the screw hole to match with packing knob is provided in the inserting column.

The utility model has the beneficial effects that：The seat of the above structure is in corresponding seating posture, the side engagement portion of the chair back In the top position for being correspondingly arranged at the second guide groove for making movable plate, when the chair back swings back posture angle lying or leaning to correspondence, the chair back can It drives two to make movable plate and drive seat and side arm, after-frame displacement indirectly, and side engagement portion is made to be moved to the lower position of the second guide groove And the chair back sets the parallel distance of datum mark with seat when changing into lying or leaning posture by seating posture towards seat displacement to reduce Variation, and human body back and the chair back can be reduced and reclined the variation of position, to improve the comfort of seat.

Description of the drawings

Fig. 1 is the decomposition diagram of the first embodiment of the utility model；

Fig. 2 is the combination stereogram of the seating posture state of the first embodiment of the utility model；

Fig. 3 is the combination of side view of the seating posture state of the first embodiment of the utility model；

Fig. 4 is the combination front view of the seating posture state of the first embodiment of the utility model；

Fig. 5 is that the first embodiment of the utility model enables chair back layback Partial angle schematic side view；

Fig. 6 is that the first embodiment of the utility model enables the chair back swing back to lying or leaning postural position schematic side view；

Fig. 7 is that the first embodiment of the utility model enables the chair back swing back to lying or leaning postural position side isometric view；

Fig. 8 is the pedestal schematic diagram of the second embodiment of the utility model；

Fig. 9 is the base combination stereogram of the second embodiment of the utility model；

Figure 10 is common armchair structure side view and action schematic diagram.

Specific implementation mode

Utility model will be further described in detail below with reference to the attached drawings and specific embodiments, however, it is desirable to say Bright, the explanation to following implementation is schematical, does not constitute the specific restriction to the utility model.

Referring to figs. 1 to Fig. 4, the respectively decomposition diagram of the first embodiment of the utility model, corresponding seating posture shape Combination stereogram, combination of side view, the combination front view of state, the first embodiment of the utility model includes a pedestal 1, a chair back 2, two make movable plate 3, a seat 4, a side arm 5, an after-frame 6, a Lumbar 7, and the both sides of the pedestal 1 all have pillar 11, and And symmetrical side frame 12 is set on the pillar 11 of the both sides, and two 12 front insides of side frame are provided with by rear direction front gradually High slanting first guide groove 13, and in being arranged the first sliding block 131 in the first guide groove 13, and in two 12 rears of side frame settings the One articulated section 14, and in being provided with fixing button 15 on side frame 12, and the fixing button 15 has engaging hole 151 and packing knob 152.

There is the first side lever 21,2 lower section of the chair back to have bottom bar 22 for the both sides of the chair back 2, and in two 21 lower sections of the first side lever Corresponding position distinguishes projection side engagement portion 23, and the side engagement portion 23 has the joint fastener 231 of upper and lower arrangement, and joint fastener Bond post 232 is provided on 231, and in the lower joint portion 24 of 22 center setting of bottom bar, and the lower joint portion 24 is U-shaped body, it is U-shaped Body center has engaging groove 241.

Make movable plate 3 for two to be strip plate body and be respectively arranged on two side positions of pedestal 1, and second pivoting portion is set in top 31 are pivotally connected with the first pivoting portion 14 of pedestal 1, make movable plate 3 directly to the second guide groove 32 of setting, and in setting on the second guide groove 32 with The second sliding block 321 that the side engagement portion 23 of the chair back 2 engages, and second guide groove 32 is upper and lower arrangement, and make to arrange above and below The bond post 232 that the second sliding block 321 on second guide groove 32 can arrange joint fastener 231 above and below with the chair back 2 respectively engages, and makes The chair back 2 with make to be engaged by 2 points to promote start and stability of strutting system between movable plate 3, and it is different to make in two 3 height of movable plate The 3rd 33, the 4th articulated section 34 is respectively set in position.

The tool of the seat 4 has cross bar 42 there are two the second side lever 41, and between two the second side levers 41 and links, and two the Two side levers, 41 rear end is provided with the 5th articulated section 43, and the 5th articulated section 43 is pivotally connected with the third articulated section 33 for making movable plate 3, and two A second side lever 41 is provided on the inside of front by the increased slanting third guide groove 44 of rear direction anterior height, and third Third sliding block 441 is provided in guide groove 44.

The side arm 5 is set to 4 lower position of seat, and has two opposite the first side plates 51, and two the first sides Linked by first connecting rod 52 between plate 51, and two 51 rears of the first side plate are provided with and can make the 4th of movable plate 3 with two The 6th articulated section 53 that articulated section 34 is pivotally connected, the front of the first side plate 51 correspond to seat 2 third guide groove 44 and pedestal 1 first 13 position of guide groove, which is respectively arranged with, to be combined with third sliding block 441, the first sliding block 131 in third guide groove 44, the first guide groove 13 Upper bond post 54, lower bond post 55, engage guide bar 56 in the side of lower bond post 55, setting interted on the guide bar 56 There is a clamping block 57, and the side of clamping block 57 has an inserting column 571 of interspersed pedestal 1, the engaging hole 151 of fixing button 15, and in Guide bar 56 can be enabled to correspond to locking when screw hole 572 being arranged in inserting column 571 to screw togather with packing knob 152, and loosening packing knob 152 57 displacement of block, and 56 position of locking guide bar when screwing packing knob 152；The 7th articulated section is set in 51 front of both side plate again 58。

There are two the second opposite side plates 61 for the tool of after-frame 6, and are provided with second connecting rod 62 between two the second side plates 61, Second side plate, 61 rear is provided with the 8th articulated section 63, and the 8th articulated section 63 passes through bond post with the side engagement portion 23 on the chair back 2 232 pivot joints, and in being arranged the 9th articulated section 64 close to 63 front position of the 8th articulated section, and in two side plates, 61 front setting the Ten articulated sections 65 and the 7th articulated section 58 of side arm 5 are pivotally connected.

Lumbar 7 is set to 2 lower position of the chair back, and has there are two side lever portion 71, and 7 lower section of Lumbar has bottom bar portion 72, and two The 11st articulated section 73 of the setting of side lever portion 71 and the 9th articulated section 64 of after-frame 6 are pivotally connected, and bottom bar portion 72 is located at the lower engagement of the chair back 2 241 position of engaging groove in portion 24, and 72 width of bottom bar portion is less than engaging groove 241, and bullet is set in 73 position of the 11st articulated section Spring 74, and the both ends of spring 74 are engaged with the side plate 61 in the side lever portion 71 of Lumbar 7 and after-frame 6 respectively, and make Lumbar 7 can be by bullet The elastic force of spring 74 is pivotally connected to promote bond stability, and by bottom bar portion 72 in start in 241 range of engaging groove to limit partially Swinging, and can provide bottom bar portion 72 when Lumbar 3 corresponds to seating posture and lying or leaning gesture actions can be dynamic in 241 intrinsic displacement of engaging groove Make.

Side arm 5, after-frame 6 can promote 4 supportive of seat after the utility model combination, and the change of 2 reclined by angle of the chair back can Drive two to make movable plate 3, seat 4, side arm 5, after-frame 6, Lumbar 7 to act, when the chair back 2 in it is corresponding take posture angle when the chair back 2 it Side engagement portion 23 is located at 32 top position of guide groove for making movable plate 3, and bond post 54 is located at 4 guide groove 44 of corresponding seat on side arm 5 Rear position, lower bond post 55 are located at 1 guide groove of corresponding pedestal, 13 rear position, and one of chair back 2 setting datum mark as shown in Figure 3 One of a and seat 4 set datum mark b and have the first distance c, and it is d that the Lumbar 7, which protrudes from the height of the chair back 2,.

It is to enable the layback Partial angle state of the chair back 2 with reference to Fig. 5, Fig. 6, Fig. 7 are that the chair back 2 is swung back to maximum angle state, In in season the chair back 2 by seating postural position swing back gesture actions lying or leaning to correspondence when 2 frenulum of the chair back dynamic two make movable plate 3 and enable chair indirectly Seat 4, side arm 5, after-frame 6 act, and Lumbar 7 is driven to act simultaneously, and its side engagement portion 23 can drive and make movable plate when the chair back 2 is swung back 3 the second sliding block 321 is in making the second guide groove 32 of movable plate 3 to bottom offset, and this is made 3 system of movable plate and corresponds to base by second pivoting portion 31 Seat 1, which pivots, makes lower section steeve, and the 5th articulated section 43 of 4 rear of seat can be driven by the third articulated section 33 for making movable plate 3 and be steeved, And the 6th articulated section 53 of side arm 5 can drive Forward, and process bond post 54 thereon that move forward by the 4th articulated section 34 for making movable plate 3 Movable 44 front position of third guide groove to seat 4, and before lower bond post 55 while movable the first guide groove 13 to pedestal 1 Orientation is moved so that seat 4 can be linked with seat 4, pedestal 1 simultaneously by side arm 5 stablizes support effect to have.

The side engagement portion 23 of 2 lower section of the chair back can move forward to when bottom offset in seat 4 along the second guide groove 32 for making movable plate 3 again Rear side lower position so that the aforementioned setting datum mark a parallel with the aforementioned setting datum mark b of seat 4 opposite second of the chair back 2 Distance e does not have larger gap with the first distance c of corresponding seating posture, and avoidable occupant is changed by seating posture and lain Its back has with 2 relative position of the chair back and substantially changes when by posture, and back can substantially slide situation along the chair back, and can be promoted comfortable Property.

6 front 65 position of the tenth articulated section of after-frame can be driven upward because side arm 5 corresponds to Forward action when the chair back 2 is swung back, And make the 8th articulated section 63 of 6 rear end of after-frame that can correspond to the pivot of the chair back 2 so that 64 position of the 9th articulated section can be towards 2 direction of the chair back Displacement, and the height f for making Lumbar 7 protrude from the chair back 2 is changeable, and its height f is compared with the height d for taking posture shown in corresponding diagram 3 Small, the chair back 2 can be more smooth when can so provide lying or leaning posture so that Lumbar 7 will not correspond to the chair back 2 substantially protrude with promoted recline Comfort.

And the utility model reason takes posture change will not be big to 2 position of the chair back of human body back correspondence when lying or leaning posture Width changes, thus the Lumbar 7 is located at the position of corresponding human body waist or more and causes uncomfortable when can prevent lying or leaning.

It is somebody's turn to do with when taking posture in addition, the utility model is changed to lying or leaning posture by seating posture or changed by lying or leaning posture The guide bar 56 of side arm 5 can be along 57 displacement of clamping block engaged with 1 fixing button 15 of pedestal, and can after adjusting chair back reclined by angle Clamping block 57 is enabled to be locked with guide bar 56 to position 2 reclined by angle of the chair back by screwing 151 knob of packing.

It is the second embodiment of the utility model with reference to Fig. 8 and Fig. 9, and the second embodiment and first embodiment class Together, difference is that 1 center of pedestal is pillar 11, and crossbearer 111 is arranged in 11 top of pillar, and is set in the both sides of crossbearer 111 Set side frame 12.

In the utility model, aforementioned first sliding block, the second sliding block, third sliding block are non-essential structure, and also can be by sliding Wheel or other elements substitution, the utility model, which is changed by seating posture to can reduce human body back when lying or leaning posture, lies with respect to the chair back The position change leaned on.The foregoing is merely the preferred embodiments of the utility model, however it is not limited to above specific implementation mode, As long as realizing that the technical solution of the utility model aim belongs within the scope of protection of the utility model with essentially identical means.

Claims (8)

1. a kind of armchair structure reclined, including:

There is corresponding side frame (12), front to be provided with joint portion, the first pivot joint of rear setting for one pedestal (1), both sides Portion (14)；

One chair back (2), both sides have the first side lever (21), have bottom bar (22) below, and under two first side levers (21) Side is provided with side engagement portion (23)：

Two are made movable plate (3), are strip plate body, are respectively arranged on the both sides of pedestal (1), and second pivoting portion is arranged in top (31), second pivoting portion (31) and the first pivoting portion (14) at pedestal (1) rear are pivotally connected, and are made movable plate (3) and are provided with and can be connect with side Conjunction portion (23) engagement the second guide groove (32), make the different high and low positions below movable plate (3) be respectively set third articulated section (33), 4th articulated section (34)；

One seat (4), there are two the second side levers (41) for tool, and the rear end of two the second side levers (41), which is provided with, to be able to and two Make the 5th articulated section (43) of third articulated section (33) pivot joint of movable plate (3), the front of two the second side levers (41) is all provided with Joint portion；

One side arm (5) is set to seat (4) lower position, and has two opposite the first side plates (51), two the first side plates (51) rear is provided with the 6th articulated section (53) being pivotally connected with the 4th articulated section (34), and the front of side arm (5) is set respectively Be equipped with bond post (54), lower bond post (55), on this bond post (54), lower bond post (55) respectively with seat (4) and pedestal (1) joint portion engages, and the 7th articulated section (58) is additionally provided on side arm (5)；

One after-frame (6), there are two opposite the second side plate (61), the second side plate (61) rear is provided with and the chair back (2) tool Side engagement portion (23) pivot joint the 8th articulated section (63), be provided in front of after-frame (6) and the 7th articulated section of side arm (5) (58) the tenth articulated section (65) being pivotally connected；

When the seat corresponds to seating posture, the top position of corresponding second guide groove (32) of side engagement portion (23) of the chair back (2) enables chair Two can be driven to make movable plate (3) so that seat (4) and side arm (5), after-frame (6) when the back of the body (2) layback posture angle lying or leaning to correspondence Displacement, and side engagement portion (23) is made to be moved to the lower position of the second guide groove (32) and towards seat (4) displacement.

2. a kind of armchair structure reclined as described in claim 1, it is characterised in that:

Further include a Lumbar (7), the chair back (2) is provided with lower joint portion (24) on bottom bar (22)；The after-frame (6) is rear Side is provided with the 9th articulated section (64) with Lumbar (7) pivot joint；The Lumbar (7) is set to the lower position of the chair back (2), Lumbar (7) there are two side lever portions (71), Lumbar (7) lower section to have bottom bar portion (72) for tool, and two side lever portions (71) are all provided with and after-frame (6) the 11st articulated section (73) of the 9th articulated section (64) pivot joint on, the bottom bar portion (72) are set to the lower joint portion (24) on, and seat is made to correspond to the front that Lumbar (7) when taking posture externally protrudes out in the chair back (2), the chair back (2) layback to lying or leaning posture Can be driven when position it is described make movable plate (3), side arm (5), after-frame (6) so that Lumbar (7) towards the chair back (2) displacement to reduce waist The height of the chair back (2) is protruded from by (7).

3. a kind of armchair structure reclined as claimed in claim 2, it is characterised in that:

The lower joint portion (24) is provided with the engaging groove (241) that can be placed in bottom bar portion (72), the width of the engaging groove (241) Further include two springs (74) more than the width in the bottom bar portion (72) of Lumbar (7), the both ends of the spring (74) respectively with side lever Portion (71) and the second side plate (61) engagement.

4. a kind of armchair structure reclined as claimed in claim 1 or 2, it is characterised in that:

The joint portion of the pedestal (1) and seat (4) is respectively equipped with the first guide groove (13) and third guide groove (44), the first guide groove (13), on the second guide groove (32) and third guide groove (44) respectively sliding be provided with the first sliding block (131), the second sliding block (321) and Third sliding block (441), the side engagement portion (23) are provided with bond post (232), the bond post (232), upper bond post (54), Correspondence engages lower bond post (55) with the second sliding block (321), third sliding block (441), the first sliding block (131) respectively.

5. a kind of armchair structure reclined as claimed in claim 4, it is characterised in that:

Side engagement portion (23) on the chair back (2) has two joint fasteners (231) arranged above and below, and bond post (232) On the joint fastener (231), the quantity of second guide groove (32) is two, in two the second guide grooves (32) correspondences two, The joint fastener (231) of lower arrangement.

6. a kind of armchair structure reclined as claimed in claim 1 or 2, it is characterised in that:

The both sides of the pedestal (1) are equipped with pillar (11), and two side frames (12) are respectively arranged on two pillars (11).

7. a kind of armchair structure reclined as claimed in claim 1 or 2, it is characterised in that:

The center of the pedestal (1), which has, is equipped with a pillar (11), is provided with crossbearer (111) above the pillar (11), and two A side frame (12) is respectively arranged at the both sides of the crossbearer (111).

8. a kind of armchair structure reclined as claimed in claim 1 or 2, it is characterised in that:

In being provided with fixing button (15) on a side frame (12), which has engaging hole (151) and compels the pedestal (1) Tight knob (152)；The guide bar (56) engaged with the lower bond post (55), the guide bar are provided on the side arm (5) (56) clamping block (57) is provided on, the side of the clamping block (57) has the inserting column that can be interspersed in engaging hole (151) (571), it is provided with the screw hole (572) to match with packing knob (152) in the inserting column (571).