CN106073252A

CN106073252A - The seat that anti-layback is toppled over

Info

Publication number: CN106073252A
Application number: CN201610597540.1A
Authority: CN
Inventors: 王鼎兴
Original assignee: Individual
Current assignee: Individual
Priority date: 2016-07-26
Filing date: 2016-07-26
Publication date: 2016-11-09

Abstract

The invention discloses the seat that a kind of anti-layback is toppled over, including a seat body, an anti-rear structure such as tilter and rib.The advantage of the seat that the anti-layback of the present invention is toppled over is: with an anti-rear tilter, play a supporting role when can turn over after seat, after anti-, tilter is disposed with stopping means with the inside of seat body connecting portion, it is possible to prevents rear tilter corner excessive and does not has supporting role；After anti-, tilter is high with the attachment structure reliability of seat body, it is possible to tolerate bigger impulsive force；After anti-, tilter can preferably merge with seat body, makes people be not easy to find anti-rear tilter, and profile is the most attractive in appearance.

Description

The seat that anti-layback is toppled over

Technical field

The present invention relates to a kind of seat, the seat that a kind of anti-layback is toppled over.

Background technology

Chinese utility model patent CN200920247417.2 discloses a kind of Shatter-resistant chair, including gripper shoe, backrest with And chair legs, in backrest both sides, rotating shaft connects support bar respectively, and when support bar overlaps with backrest side, base is short in chair legs Base；Under rotating shaft, square shaft connects restriction bar, offers strip gab along the surface limiting bar, and support bar side processes inserted link, The inserted link section of strut overlaps with strip gab, and inserted link inserts strip gab and is connected with limiting bar.When user tilts backwards chair The period of the day from 11 p.m. to 1 a.m, support bar keeps vertically, angulation now and between chair legs, excessive once chair reclined by angle and fall down, two Root support bar contacts to earth and chair legs forms stable support, it is to avoid chair overturning；In support bar motor process, inserted link is limiting bar Sliding in opening, when reaching open top end, inserted link cannot continue motion, so that it is guaranteed that support bar is stable, it is to avoid support bar turns The chair overturning problem that angle is excessive and causes.But it is relatively big that it limits the frictional force between bar and support bar, limits bar and support bar Junction distance support bar upper end farther out, thus the moment being applied on support bar is relatively big, easily limits support bar freely Rotate, make support bar not play a supporting role；This restriction bar contacts with this support bar and chair legs, if user uses profit Lubricating oil lubricates this restriction bar, and lubricating oil easily pollutes this support bar and chair legs, and lubricating oil is also easy to adsorb dust, this shatter-resistant Seat, as a kind of furniture, user's extremely difficult contact chair legs and support bar is infected with lubricating oil and adsorbs a large amount of dust；Seat exists After turn over during, affected by activity direction and the state of ground of people, often make support bar be subject to the joint of backrest Bigger impulsive force, the direction of impulsive force the most very likely with the length of support bar not to inconsistent so that it is joint is easily damaged Badly this support bar is made not have corresponding supporting role；In addition this support bar and restriction bar are arranged in and are easier to be observed by people Position, this support bar is suspended on the rear of seat as unnecessary supporting leg, makes this Shatter-resistant chair pole unsightly.

Summary of the invention

The present invention mainly solves the technical problem existing for prior art, thus provides a kind of with an anti-rear tilter, Playing a supporting role when can turn over after seat, anti-rear tilter is disposed with stopping means with the inside of seat body connecting portion, Be prevented from anti-after tilter corner excessive and do not have supporting role；Tilter and the attachment structure reliability of seat body after anti- High, it is possible to tolerate bigger impulsive force；After anti-, tilter can preferably merge with seat body, makes people be not easy to find Tilter after anti-, the seat that the anti-layback that profile is the most attractive in appearance is toppled over.

The present invention solves the technical problem in the presence of prior art by following technical proposals:

The seat that a kind of anti-layback is toppled over, including a seat body, described seat body include two front leg struts, two Rear support leg, a backboard, two the first bracing pieces, second bracing piece and a seat board, described seat board is square knot Structure, two jiaos, front side with described seat board respectively, the upper end of two described front leg struts is mutually connected vertically, after described two Propping up the midleg rear side two jiaos respectively with described seat board to be mutually connected vertically, before and after the first described bracing piece, two ends are respectively Be mutually connected vertically with described front leg strut and rear support leg, the two ends of the second described bracing piece respectively with described two first The middle part of bracing piece is mutually connected vertically, two described the first bracing pieces and the second described bracing piece composition I-shaped knot Structure,

The seat that described anti-layback is toppled over also includes an anti-rear tilter, and described anti-rear tilter includes that two are parallel to each other Montant, a rotating shaft and one the 3rd bracing piece arranged；The upper end of described montant is mutually connected vertically with described rotating shaft, described The end of rotating shaft stretch out the outside of described montant, the two ends of the 3rd described bracing piece respectively with two described montants Bottom is mutually connected vertically, and leaves gap between lower end and the ground of described montant；

The inner side of described rear support leg is provided with a connection circular hole, after described connection circular hole is arranged in described seat board The rear of end margin；

In the two ends of described rotating shaft are arranged in described connection circular hole and it is rotationally connected with described connection circular hole；Described The outside of montant near the disposed inboard of described rear support leg；

The first described bracing piece, the second described bracing piece and described 3rd bracing piece arrange in the same plane and Its shape of cross section is the most identical；

The described bottom margin connecting circular hole is disposed with a fan-shaped projection, and it is fan-shaped that the two ends of described rotating shaft are disposed with one Groove, the angle between the both ends of the surface of described fan-shaped projection is less than the angle between described scalloped recess both ends of the surface, described Fan-shaped projection be arranged in described scalloped recess.

As preferred embodiment of the present invention, the angle of the both ends of the surface of described fan-shaped projection is 30 degree, described sector The angle of the both ends of the surface of groove is 120 degree.

As preferred embodiment of the present invention, described seat body also includes the reinforcement that four shape of cross sections are identical Plate, four described reinforcing plates four limits with described seat board respectively are mutually connected vertically, the two ends of the reinforcing plate of the left and right sides Inner side with described front leg strut and the upper end of rear support leg is mutually connected vertically respectively, the two ends of the reinforcing plate of front side are respectively with two The inner side of the upper end of individual front leg strut is mutually connected vertically, and the reinforcing plate being positioned at rear side is rear reinforcing plate, described rear reinforcing plate Length is equal to the distance between two described montant medial surface.

As preferred embodiment of the present invention, the top of described rear reinforcing plate is provided with a circular groove, described In rotating shaft is placed on described circular groove and it is slidably connected with described circular groove.

As preferred embodiment of the present invention, described seat body also includes one " L " shape contiguous block, described " L " shape Contiguous block is connected with the bottom surface of two jiaos on rear side of described seat board, one end of described " L " shape contiguous block and described rear support leg Be connected, the other end is connected with described rear reinforcing plate, and described montant is arranged in the inner side of described " L " shape contiguous block.

As preferred embodiment of the present invention, the seat that described anti-layback is toppled over also includes a rib, and described adds Strong portion includes a connecting rod and two circular end caps, and the center of one of them circular end cap is mutual with one end of described connecting rod Being arranged vertically and fix connection, threadeds with the other end of described connecting rod in another circular center of end cap；

The outside of described rear support leg is provided with a circular trough, the bottom of described circular trough be provided centrally with one first Connecting hole, the bottom of the first described connecting hole is connected with the described center connecting circular hole；

Second connecting hole running through its two ends end face it is provided with in described rotating shaft；

The diameter of the first described connecting hole and the diameter of the second described connecting hole and the diameter phase of described connecting rod Deng, described connecting rod passes the first described connecting hole and the second described connecting hole；

The diameter of described circular trough is more than the diameter of described circular end cap, and described round nose lid is arranged in described In circular trough.

The advantage of the seat that the anti-layback of the present invention is toppled over is: with an anti-rear tilter, it is possible to play when turning over after seat Supporting role, anti-rear tilter is disposed with stopping means with the inside of seat body connecting portion, it is possible to tilter corner after preventing Excessive and do not have supporting role；After anti-, tilter is high with the attachment structure reliability of seat body, it is possible to tolerate bigger impact Power；After anti-, tilter can preferably merge with seat body, makes people be not easy to find anti-rear tilter, and profile is the most beautiful See.

Accompanying drawing explanation

In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing In having technology to describe, the required accompanying drawing used is briefly described, it should be apparent that, the accompanying drawing in describing below is only this Some embodiments of invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to Other accompanying drawing is obtained according to these accompanying drawings.

Fig. 1 is the perspective view of the seat that the anti-layback of the present invention is toppled over；

Fig. 2 is the front view of the seat that the anti-layback in Fig. 1 is toppled over；

Fig. 3 is the front view of another use state of the seat that the anti-layback in Fig. 1 is toppled over；

Fig. 4 is the perspective view of the another use state of the seat that the anti-layback in Fig. 1 is toppled over；

Fig. 5 is the perspective view at another visual angle of the seat that the anti-layback in Fig. 4 is toppled over；

Fig. 6 is the perspective view of the seat body in Fig. 1；

Fig. 7 is the perspective view at another visual angle of the seat body in Fig. 6；

Fig. 8 is the partial enlarged drawing in the A portion in Fig. 7；

Fig. 9 is the perspective view of the anti-rear tilter in Fig. 1；

Figure 10 is the right view of the anti-rear tilter in Fig. 9；

Figure 11 is the perspective view of the rib in Fig. 1；

Wherein:

1, seat body；

11, front leg strut；12, rear support leg；121, circular hole is connected；122, fan-shaped projection；123, circular trough；124, first connects Hole；

13, backboard；14, the first bracing piece；15, the second bracing piece；16, seat board；17, rear reinforcing plate；171, circular arc Groove；18, " L " shape contiguous block；

2, anti-rear tilter；21, montant；22, rotating shaft；221, scalloped recess；222, the second connecting hole；23, the 3rd bracing piece；

3, rib；31, connecting rod；32, circular end cap.

Detailed description of the invention

Below the preferred embodiments of the present invention are described in detail so that advantages and features of the invention can be easier to by It will be appreciated by those skilled in the art that thus protection scope of the present invention is made apparent clear and definite defining.

As Figure 1-Figure 5, the seat that a kind of anti-layback is toppled over, including a seat body 1, this seat body 1 includes two Individual front leg strut 12, backboard of 11, two rear support legs 14, second bracing piece 15 of 13, two the first bracing pieces and one Seat board 16, this seat board 16 is square structure, and the upper end of these two front leg struts 11 is the most vertical with two jiaos, the front side of this seat board 16 respectively Direct-connected connecing, in the middle part of these two rear support legs 12, rear side two jiaos with this seat board 16 is mutually connected vertically respectively, this first bracing piece 14 Before and after two ends be mutually connected vertically with this front leg strut 11 and rear support leg 12 respectively, the two ends of this second bracing piece 15 respectively with this The middle part of two the first bracing pieces 14 is mutually connected vertically, and these two the first bracing pieces 14 and this second bracing piece 15 form " work " Character form structure,

The seat that this anti-layback is toppled over also includes an anti-rear tilter 2, as it is shown in figure 9, tilter 2 includes two mutually after this is anti- Montant 21, one rotating shaft 22 being arranged in parallel and one the 3rd bracing piece 23；The upper end of this montant 21 and this rotating shaft 22 company of being mutually perpendicular to Connecing, the outside of this montant 21 is stretched out in the end of this rotating shaft 22, the two ends of the 3rd bracing piece 23 respectively with these two montants 21 Bottom is mutually connected vertically, and leaves gap between lower end and the ground of this montant 21；

As shown in Fig. 6, Fig. 7, Fig. 8, the inner side of this rear support leg 12 is provided with a connection circular hole 121, this connection circular hole 121 cloth Put the rear of back edge at this seat board 16；

In the two ends of this rotating shaft 22 are arranged in this connection circular hole 121 and be connected circular hole 121 with this and be rotationally connected, this connection In structure, contact surface is positioned at the position being difficult to be touched by people, thus can not polluted the appearance of seat by the good lubrication of user Face, and this structure makes this rotating shaft 22 preferably to merge with this seat board 16, and tilter 2 upper end after this is anti- It is closer to the position of centre of gravity of people, makes support the most steady；The outside of this montant 21 near the disposed inboard of this rear support leg 12, this Structure makes this montant 21 can preferably merge with this rear support leg 12, makes people be not easy to be found, more aesthetically pleasing；This turn Axle 21 can play the purpose of this montant 21 upper end firm, and when after making this anti-, tilter 1 is subject to bigger impulsive force, upper end is not easy Deform and be connected circular hole 121 with this and depart from；3rd bracing piece 23 can play the purpose of this montant 21 bottom firm, makes this prevent Rear tilter 2 is when the bigger impulsive force by left and right directions, and this montant 21 is not easy to be broken off；

As shown in Figure 4, Figure 5, this first bracing piece 14, this second bracing piece 15 and the 3rd bracing piece 23 are arranged in same Plane is interior and its shape of cross section is the most identical；This structure makes the 3rd bracing piece 23 preferably to melt with this seat body 1 It is combined so that it is be not easy to be found by people；

As shown in Figure 7, Figure 8, the bottom margin of this connection circular hole 121 is disposed with a fan-shaped projection 122, such as Fig. 9, Tu10Suo Showing, the two ends of this rotating shaft 22 are disposed with a scalloped recess 221, and the angle between the both ends of the surface of this sector projection 122 is less than this fan Angle between connected in star 221 both ends of the surface, this sector projection 122 is arranged in this scalloped recess 221.This structure can limit The slewing area of tilter 2 after this is anti-, after preventing this anti-, the corner of tilter 2 is excessive and do not have supporting role；Relative to existing skill Art, this position limiting structure is arranged in the inside of attachment structure, it is not easy to found by people, more aesthetically pleasing.

As shown in Figure 8, the angle of the both ends of the surface of this sector projection 122 is 30 degree, as shown in Figure 9, Figure 10, and this scalloped recess The angle of the both ends of the surface of 221 is 120 degree.When this seat body 1 horizontal positioned on the ground time, of this sector projection 122 End face is bonded to each other with scalloped recess 221 end face；Another end face and this scalloped recess when this sector projection 122 When another end face of 221 is bonded to each other, after this is anti-, tilter 2 reaches its hard-over 90 degree；This sector projection in the present embodiment The angle of the both ends of the surface of 122 is 30 degree, and the angle of the both ends of the surface of this scalloped recess 221 is 120 degree, after this is anti-tilter 2 its Big corner is 90 degree；But protection scope of the present invention is not limited to this, seat design teacher can according to the height of seat, shape with And the position of center of gravity adjusts these three angle, after making this anti-, tilter 2 can preferably play the effect of anti-hypsokinesis.

As shown in Figure 4, Figure 5, this seat body 1 also includes the reinforcing plate that four shape of cross sections are identical, these four reinforcements Plate four limits with this seat board 16 respectively are mutually connected vertically, the two ends of the reinforcing plate of the left and right sides respectively with this front leg strut 11 and after The inner side of the upper end of supporting leg 12 is mutually connected vertically, the two ends of the reinforcing plate of front side respectively with in the upper end of two front leg struts 11 Side is mutually connected vertically, and the reinforcing plate being positioned at rear side is rear reinforcing plate 17, and the length of this rear reinforcing plate 17 is equal to these two montants Distance between 21 medial surface.This structure make these two montants 21 seat body 1 horizontal positioned on the ground time, it is possible to cloth Put the inner side at this rear support leg 12, thus preferably hide this montant 21.

As shown in Figure 6, the top of this rear reinforcing plate 17 is provided with a circular groove 171, and this rotating shaft 22 is placed on this circle In arc groove 171 and it is slidably connected with this circular groove 171.This structure makes this rotating shaft 22 can fit this more closely Reinforcing plate 17 is arranged, makes this rotating shaft 22 more be not easy by people and finds；And this circular groove 171 also is able to play certain Protect the effect of this rotating shaft 22.

As it is shown in figure 5, this seat body 1 also includes one " L " shape contiguous block 18, should " L " shape contiguous block 18 and this seat board 16 The rear side bottom surface of two jiaos is connected, should one end of " L " shape contiguous block 18 be connected with this rear support leg 12, the other end and this rear reinforcement Plate 17 is connected, and this montant 21 is arranged in the inner side of this " L " shape contiguous block 18.This " " shape contiguous block 18 can play restriction to L The effect that after this is anti-, tilter 2 swings forward, after preventing this anti-, tilter 2 damages the edge of this seat board 16 when swinging forward, and Also the effect of this rear reinforcing plate 17 and this seat board 16 bonding strength can be strengthened.

As Figure 1-Figure 5, the seat that this anti-layback is toppled over also includes a rib 3, as shown in figure 11, this rib 3 Including a connecting rod 31 and two circular end caps 32, the center of one of them circular end cap 32 is mutual with one end of this connecting rod 31 Being arranged vertically and fix connection, threadeds with the other end of this connecting rod 31 in another circular center of end cap 32；

As shown in Fig. 6, Fig. 7, Fig. 8, the outside of this rear support leg 12 is provided with a circular trough 123, the bottom of this circular trough 123 Be provided centrally with one first connecting hole 124, the bottom of this first connecting hole 124 is connected the center of circular hole 121 and is connected with this；

As it is shown in figure 9, be provided with second connecting hole 222 running through its two ends end face in this rotating shaft 22；

The diameter of this first connecting hole 124 and the diameter of this second connecting hole 222 and the equal diameters of this connecting rod 31, should Connecting rod 31 is through this first connecting hole 124 and this second connecting hole 222；

As Figure 1-Figure 5, the diameter of this circular trough 123 is more than the diameter of this circle end cap 32, this circle end cap 32 cloth Put in this circular trough 123.

When after this is anti-, tilter 2 is by during towards the impulsive force of left and right directions, and after this is anti-, tilter 2 is easily damaged this rear support leg 12 With the joint of this seat board 16, making this rear support leg 12 be mutually disengaged with this seat board 16, after this can be caused further anti-, tilter 2 is from this company Connecing in circular hole 121 and come off, after making this anti-, tilter 2 does not has supporting role；By arranging this rib 3, can effectively consolidate These two rear support legs 12 fixed, prevent this rear support leg 12 to be mutually disengaged with this seat board 16.

Being only more than the mentality of designing of the some embodiments of the present invention, in the case of system allows, the present invention can To expand to the most external more functional module, thus extend its function to greatest extent.

The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, and any The change expected without creative work or replacement, all should contain within protection scope of the present invention.Therefore, the present invention Protection domain should be as the criterion with the protection domain that claims are limited.

Claims

1. the seat that anti-layback is toppled over, including a seat body (1), described seat body (1) includes two front leg struts (11), two rear support legs (12), backboard (13), two the first bracing pieces (14), second bracing pieces (15) and Individual seat board (16), described seat board (16) is square structure, the upper end of two described front leg struts (11) respectively with described seat Two jiaos, the front side of plate (16) is mutually connected vertically, described two rear support legs (12) middle part respectively with described seat board (16) after Two jiaos, side is mutually connected vertically, before and after described the first bracing piece (14) two ends respectively with described front leg strut (11) and after prop up Lower limb (12) is mutually connected vertically, the two ends of described the second bracing piece (15) respectively with two described the first bracing pieces (14) Middle part is mutually connected vertically, two described the first bracing pieces (14) and described the second bracing piece (15) composition I-shaped knot Structure, it is characterised in that:

The seat that described anti-layback is toppled over also includes that one prevents that rear tilter (2), described anti-rear tilter (2) include that two are mutually put down Montant (21), a rotating shaft (22) and one the 3rd bracing piece (23) that row is arranged；The upper end of described montant (21) turns with described Axle (22) is mutually connected vertically, and the outside of described montant (21), described Acanthopanan trifoliatus (L.) Merr. are stretched out in the end of described rotating shaft (22) Bottom with two described montants (21) respectively, the two ends of strong bar (23) is mutually connected vertically, the lower end of described montant (21) And leave gap between ground；

The inner side of described rear support leg (12) is provided with a connection circular hole (121), and described connection circular hole (121) is arranged in described The rear of back edge of seat board (16)；

Turn in the two ends of described rotating shaft (22) are arranged in described connection circular hole (121) and with described connection circular hole (121) It is dynamically connected；The outside of described montant (21) is near the disposed inboard of described rear support leg (12)；

Described the first bracing piece (14), described the second bracing piece (15) and the 3rd described bracing piece (23) are arranged in same Plane is interior and its shape of cross section is the most identical；

The bottom margin of described connection circular hole (121) is disposed with a fan-shaped projection (122), the two ends cloth of described rotating shaft (22) Being equipped with a scalloped recess (221), the angle between the both ends of the surface of described fan-shaped projection (122) is less than described scalloped recess (221) angle between both ends of the surface, described fan-shaped projection (122) is arranged in described scalloped recess (221).

The seat that anti-layback the most according to claim 1 is toppled over, it is characterised in that: the two of described fan-shaped projection (122) The angle of end face is 30 degree, and the angle of the both ends of the surface of described scalloped recess (221) is 120 degree.

The seat that anti-layback the most according to claim 1 is toppled over, it is characterised in that: described seat body (1) also includes The reinforcing plate that four shape of cross sections are identical, four described reinforcing plates four limits with described seat board (16) respectively are mutually perpendicular to Connecting, the two ends of the reinforcing plate of the left and right sides are mutual with the inner side of described front leg strut (11) and the upper end of rear support leg (12) respectively Vertical connect, inner side with the upper end of two front leg struts (11) respectively, the two ends of the reinforcing plate of front side is mutually connected vertically, and is positioned at The reinforcing plate of rear side is rear reinforcing plate (17), and the length of described rear reinforcing plate (17) is equal to two described montant (21) inner sides Distance between face.

The seat that anti-layback the most according to claim 3 is toppled over, it is characterised in that: the top of described rear reinforcing plate (17) It is provided with a circular groove (171), in described rotating shaft (22) is placed on described circular groove (171) and with described Circular groove (171) is slidably connected.

The seat that anti-layback the most according to claim 3 is toppled over, it is characterised in that: described seat body (1) also includes One " L " shape contiguous block (18), described " L " shape contiguous block (18) is connected with the bottom surface of described seat board (16) rear side two jiaos, One end of described " L " shape contiguous block (18) is connected with described rear support leg (12), the other end and described rear reinforcing plate (17) being connected, described montant (21) is arranged in the inner side of described " L " shape contiguous block (18).

The seat that anti-layback the most according to claim 1 is toppled over, it is characterised in that: the seat that described anti-layback is toppled over is also Including a rib (3), described rib (3) includes a connecting rod (31) and two circular end caps (32), one of them circle The center of shape end cap (32) is mutually perpendicular to one end of described connecting rod (31) to arrange and fixing is connected, another circle end cap (32) threaded with the other end of described connecting rod (31) in center；

The outside of described rear support leg (12) is provided with a circular trough (123), and the center of the bottom of described circular trough (123) sets It is equipped with the center of one first connecting hole (124), the bottom of described the first connecting hole (124) and described connection circular hole (121) It is connected；

Second connecting hole (222) running through its two ends end face it is provided with in described rotating shaft (22)；

The diameter of described the first connecting hole (124) and the diameter of described the second connecting hole (222) and described connecting rod (31) equal diameters, described connecting rod (31) passes described the first connecting hole (124) and the second described connecting hole (222)；

The diameter of described circular trough (123) is more than the diameter of described circular end cap (32), described circular end cap (32) cloth Put in described circular trough (123).