CN206155235U - Seat angle regulator - Google Patents

Abstract

The utility model provides a seat angle regulator, including seatpad support, back support, rotation piece, linkage and the piece that resets, the seatpad support with back support looks pin joint, be equipped with main gear portion on the back support, the linkage including with main gear portion complex pinion portion, rotate the piece pin joint in on the seatpad support, just rotate the piece with linkage cooperation, this rotation piece is through the drive the linkage makes main gear portion with pinion portion separates mutually, the piece that resets is installed on the seatpad support, should reset through the drive rotate the piece with the linkage resets and makes main gear portion with pinion portion meshes mutually. The seat angle adjuster is relatively simple in structure and beneficial to reducing the assembly difficulty.

Description

A kind of seat angle adjustment

Technical field

The utility model is related to a kind of seat unit, more particularly to a kind of seat angle adjustment.

Background technology

At present, the seat of the setting such as many automobiles, motor-car can adjust the angle of inclination of backrest, to be lifted The comfortableness that passenger takes.However, existing seat angle adjustment mainly include handwheel, two tooth plates, duplicate gear, One eccentric wheel and chair back installing plate, seat support installing plate and chair back installing plate etc.；During work, handwheel orders about eccentric wheel rotation, double Connection gear is rotated in the presence of eccentric wheel eccentric rotary, so as to the motion of band moving tooth plate, realizes the regulation of angle of back-rest.It is such Seat angle adjustment amount of parts is more, and movement structure is complex, and assembly difficulty is higher.

Utility model content

To solve above-mentioned technical problem, the purpose of this utility model is to provide a kind of seat angle adjustment, the seat The structure of angle demodulator is relatively easy, advantageously reduces assembly difficulty.

Based on this, the utility model proposes a kind of seat angle adjustment, including cushion rack, back bracket, rotation Part, STATEMENT OF FEDERALLY SPONSORED and return unit, the cushion rack and the back bracket are articulated, and the back bracket is provided with master gear Portion, the STATEMENT OF FEDERALLY SPONSORED includes the pinion portion being engaged with the main gear section, and the tumbler is articulated in the seat cushion On frame, and the tumbler is linked with the STATEMENT OF FEDERALLY SPONSORED, and the tumbler makes the main tooth by driving the STATEMENT OF FEDERALLY SPONSORED Wheel portion and the pinion portion are separated, and the return unit is arranged on the cushion rack, and the return unit is described by driving Tumbler and the STATEMENT OF FEDERALLY SPONSORED reset and make the main gear section and the pinion portion be meshed.

Optionally, the tumbler includes swinging mounting, and the swinging mounting is articulated in the cushion rack, the linkage Part is also articulated in the cushion rack, and the swinging mounting is included and pushes away post, and the STATEMENT OF FEDERALLY SPONSORED is provided with and matches with the post that pushes away The position-limited edge of conjunction.

Optionally, the tumbler is arranged at the first side of the cushion rack, and the back bracket is arranged at the seat Second side of pad support, the STATEMENT OF FEDERALLY SPONSORED includes main socket part, avoids pars convoluta and the pinion portion, and the position-limited edge is located at described In main socket part, the main socket part is articulated in the first side of the cushion rack, and the pinion portion is located at the cushion rack Second side, the avoidance pars convoluta is arranged between the main socket part and the pinion portion, and the avoidance pars convoluta is across described Between first side of cushion rack and the second side of the cushion rack.

Optionally, the swinging mounting is provided with spacer pin, and the STATEMENT OF FEDERALLY SPONSORED is provided with the guiding being engaged with the spacer pin Chute.

Optionally, the return unit is the first torsion spring, and first torsion spring is arranged at the swinging mounting and the seat cushion At drive-connecting shaft between support.

Optionally, the cushion rack is provided with the first drive-connecting shaft, and the swinging mounting is provided with the first pivoted hole, and described first Drive-connecting shaft is arranged in first pivoted hole, and first torsion spring is socketed on first drive-connecting shaft, and described first turns round The two ends of spring connect respectively the swinging mounting and first drive-connecting shaft.

Optionally, the swinging mounting is provided with torsion spring stopper slot, and first drive-connecting shaft is provided with draw-in groove, and described first turns round The two ends of spring are embedded respectively in the torsion spring stopper slot and the draw-in groove.

Optionally, the tumbler includes knob, and the swinging mounting includes connection projection, and the knob is fixedly sleeved On the connection projection.

Optionally, the cushion rack is provided with the second drive-connecting shaft, and the back bracket is provided with the second pivoted hole, described Second drive-connecting shaft is arranged in second pivoted hole, and the second torsion spring is socketed with second drive-connecting shaft, second torsion spring Two ends connect respectively second drive-connecting shaft and the back bracket.

Optionally, second drive-connecting shaft is provided with slot, and the back bracket includes locating dowel, second torsion spring First end is plugged in the slot, and the second end of second torsion spring is snapped onto in the locating dowel.

Implement the utility model embodiment, have the advantages that：

Seat angle adjustment of the present utility model includes cushion rack, back bracket, tumbler, STATEMENT OF FEDERALLY SPONSORED and reset Part, tumbler makes the main gear section of back bracket mutually divide with the pinion portion of the STATEMENT OF FEDERALLY SPONSORED by promoting the STATEMENT OF FEDERALLY SPONSORED From, the return unit makes the main gear section and the pinion portion be meshed by driving tumbler and STATEMENT OF FEDERALLY SPONSORED to reset, Thus, when in the side of seat with hand turn tumbler, the main gear section and the pinion portion can be made to be separated, and then The angle of inclination of backrest can be adjusted, and when hand unclamps, tumbler and STATEMENT OF FEDERALLY SPONSORED can be in the effects of return unit Lower reset, makes the main gear section and the pinion portion be meshed, so as to lean on to the seat for having regulated angle of inclination The back of the body is fixed positioning.Wherein, mainly including swinging mounting, above-mentioned STATEMENT OF FEDERALLY SPONSORED smart structural design, it includes above-mentioned tumbler Pinion portion, main socket part and avoidance pars convoluta, above-mentioned return unit is torsion spring, therefore, seat angle adjustment of the present utility model exists Relatively simple in structure, parts are relatively fewer, and just can complete assembling by the stacking and pivot joint of each critical piece, Without intermediate transverse girder is used, fit on is easier.

Description of the drawings

Fig. 1 is the structural representation that the device for regulating chair angle of the present embodiment is arranged in seat.

Fig. 2 is the dimensional structure diagram at the first visual angle of the device for regulating chair angle of the present embodiment.

Fig. 3 is the dimensional structure diagram at the second visual angle of the device for regulating chair angle described in the present embodiment.

Fig. 4 is the decomposition texture schematic diagram of the seat angle adjustment described in the present embodiment.

Fig. 5 is the first assembling structure schematic diagram of the seat angle adjustment described in the present embodiment.

Fig. 6 is the partial enlarged drawing in Fig. 5 at A.

Fig. 7 is the fit structure schematic diagram between the main gear section described in the present embodiment and pinion portion.

Fig. 8 is the second assembling structure schematic diagram of the seat angle adjustment described in the present embodiment.

Fig. 9 is the 3rd assembling structure schematic diagram of the seat angle adjustment described in the present embodiment.

Figure 10 is the assembling structure schematic diagram of the angle relation adjuster described in the present embodiment.

Figure 11 is the decomposition texture schematic diagram of the angle relation adjuster described in the present embodiment.

Description of reference numerals：

1st, seat angle adjustment, 11, cushion rack, the 111, first drive-connecting shaft, the 112, second drive-connecting shaft, 1121, slot, 113rd, the first fixed frame, 12, back bracket, 121, main gear section, 122, locating dowel, the 123, second pivoted hole, the 13, first rotation Button, the 14, first swinging mounting, 141, push away post, the 142, first connection projection, the 1421, first pivoted hole, 143, torsion spring stopper slot, 144th, spacer pin, the 145, first posting, 1314, tumbler, 15, STATEMENT OF FEDERALLY SPONSORED, 151, pinion portion, 152, main socket part, 1521, Position-limited edge, 1522, guide chute, 153, avoid pars convoluta, the 16, first torsion spring, the 17, second torsion spring, 2, angle relation adjuster, 21st, the second cushion rack, the 211, second fixed frame, the 212, the 3rd drive-connecting shaft, the 22, second back bracket, the 23, second knob, 24, Second swinging mounting, the 241, second posting, the 242, second connection projection, the 2421, the 3rd pivoted hole, the 2324, second tumbler, 25th, the 3rd torsion spring, 3, driving member, 31, drive line, the 311, first limited post, 32, line set, 4, seat cushion, 5, backrest.

Specific embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made The every other embodiment for being obtained, belongs to the scope of the utility model protection.

In description of the present utility model, it is to be understood that the orientation or position relationship of the instruction such as term "left", "right" It is, based on orientation shown in the drawings or position relationship, to be for only for ease of description the utility model and simplify description, rather than refers to Show or imply that the device or element of indication with specific orientation, with specific azimuth configuration and operation, therefore must can not be managed Solution is to restriction of the present utility model.

Present embodiment illustrates a kind of device for regulating chair angle, the device for regulating chair angle includes that chair angle is adjusted Device.Referring to Fig. 1 to Fig. 3, the device for regulating chair angle of the present embodiment includes being arranged on the seat angle adjustment 1 on the left of seat And the angle relation adjuster 2 on the right side of seat, and lead between seat angle adjustment 1 and angle relation adjuster 2 Cross driving member 3 to be connected, the driving member 3 is transmission line component.Wherein, referring to Fig. 1, seat includes backrest 5 and seat cushion 4.At this In embodiment, seat angle adjustment 1 and angle relation adjuster 2 are capable of achieving the tune at the angle of inclination for backrest 5 Section, and seat angle adjustment 1 plays main and direct effect in the angular adjustment, and angle relation adjuster 2 is then It is by realizing the transmission of seat angle adjustment 1 for the angular adjustment of backrest 5 indirectly.

Referring to Fig. 2 to Fig. 9, the seat angle adjustment 1 of the present embodiment includes the first cushion rack 11, the first back bracket 12nd, the first tumbler 1314, STATEMENT OF FEDERALLY SPONSORED 15 and return unit, the first cushion rack 11 and the first back bracket 12 are articulated, and first Back bracket 12 is provided with main gear section 121, and STATEMENT OF FEDERALLY SPONSORED 15 includes the pinion portion 151 being engaged with main gear section 121, the One tumbler 1314 is articulated on the first cushion rack 11, and the first tumbler 1314 is linked with STATEMENT OF FEDERALLY SPONSORED 15, and this first Tumbler 1314 makes main gear section 121 and pinion portion 151 be separated by promoting STATEMENT OF FEDERALLY SPONSORED 15, and return unit is arranged on first On cushion rack 11, the return unit is resetted by driving the first tumbler 1314, and and then drives STATEMENT OF FEDERALLY SPONSORED 15 to reset to make master Gear part 121 and pinion portion 151 are meshed；Wherein, above-mentioned first back bracket 12 is used for the backrest 5 of connecting chair, above-mentioned First cushion rack 11 is used for the seat cushion 4 of connecting chair.Thus, by rotating the first tumbler 1314, STATEMENT OF FEDERALLY SPONSORED 15 can be made Raw linkage, and then the pinion portion 151 of STATEMENT OF FEDERALLY SPONSORED 15 can be made to separate with the main gear section 121 of the first back bracket 12, by This can be adjusted to the angle of inclination of backrest 5；And passing through return unit can make the first tumbler 1314 and STATEMENT OF FEDERALLY SPONSORED 15 multiple Position, and then above-mentioned pinion portion 151 can be made to be meshed with above-mentioned main gear section 121, realize for the seat for regulating angle is leaned on The stationary positioned of the back of the body 5.Knot when engaging between the main gear section 121 of the first back bracket 12 and above-mentioned pinion portion 151 Structure can be found in Fig. 7.

Referring to Fig. 4 to Fig. 9, first tumbler 1314 of the present embodiment includes the first knob 13 and the first swinging mounting 14, First knob 13 is fixedly connected on the first swinging mounting 14, and the first swinging mounting 14 and STATEMENT OF FEDERALLY SPONSORED 15 respectively with the first seat cushion Support 11 is articulated, and the first swinging mounting 14 is included and pushes away post 141, and STATEMENT OF FEDERALLY SPONSORED 15 is provided with spacing with push away that post 141 is engaged Side 1521.Thus, when rotating the first knob 13 with hand, the first swinging mounting 14 can be made to rotate, the rotation can make it push away post 141 promote the position-limited edge 1521 of STATEMENT OF FEDERALLY SPONSORED 15, and then STATEMENT OF FEDERALLY SPONSORED 15 can be made to link, and the linkage of the STATEMENT OF FEDERALLY SPONSORED 15 can make it secondary The main gear section 121 of gear part 151 and above-mentioned first back bracket 12 is separated, and now backrest 5 can be inclined The regulation of rake angle.Specifically：First tumbler 1314 is arranged at the first side of the first cushion rack 11, the first back bracket 12 The second side of the first cushion rack 11 is arranged at, above-mentioned STATEMENT OF FEDERALLY SPONSORED 15 includes main socket part 152, avoids pars convoluta 153 and pinion portion 151, in main socket part 152, main socket part 152 is articulated in the first side of first cushion rack 11 to above-mentioned position-limited edge 1521, Pinion portion 151 is located at the second side of the first cushion rack 11, avoids pars convoluta 153 and is arranged at main socket part 152 and pinion portion 151 Between, and pars convoluta 153 is avoided across between first side and the second side of the first cushion rack 11 of the first cushion rack 11, from And, can realize on the basis of avoiding being interfered between each part between the first tumbler 1314 and STATEMENT OF FEDERALLY SPONSORED 15 Be linked, and and then realize the regulation at angle of inclination for backrest 5, the structure design is very ingenious；On the other hand, Drive-connecting shaft (the second drive-connecting shaft 112 i.e. hereinafter) between first back bracket 12 and the first cushion rack 11 is parallel to linkage Drive-connecting shaft between the cushion rack 11 of part 15 and first, that is, show the central axis of the two drive-connecting shafts not in same axis On, so as to be advantageously implemented STATEMENT OF FEDERALLY SPONSORED 15 by it is above-mentioned push away post 141 and promote when, its pinion portion 151 and above-mentioned first backrest The main gear section 121 of frame 12 is separated.In addition, the first swinging mounting 14 includes the first connection projection 142, above-mentioned first rotation Button 13 is fixedly sheathed on the first connection projection 142, then can ensure that matching somebody with somebody between the first knob 13 and the first swinging mounting 14 Close.

Referring to Fig. 4, Fig. 8 and Fig. 9, the return unit of the present embodiment is the first torsion spring 16, and the first torsion spring 16 is arranged at first turn At drive-connecting shaft between the cushion rack 11 of dynamic support 14 and first.Specifically, the first cushion rack 11 is provided with the first drive-connecting shaft 111, the first swinging mounting 14 is provided with the first pivoted hole 1421, and the first pivoted hole 1421 connects in projection 142 located at above-mentioned first, First pivoted hole 1421 is socketed above-mentioned first drive-connecting shaft 111, and the first torsion spring 16 is also socketed at first drive-connecting shaft 111, and Torsion spring stopper slot 143 is provided with first swinging mounting 14, draw-in groove is provided with the first drive-connecting shaft 111, the two of the first torsion spring 16 End is respectively embedded in above-mentioned torsion spring stopper slot 143 and above-mentioned draw-in groove；In addition, the first swinging mounting 14 is provided with spacer pin 144, linkage Part 15 is provided with the guide chute 1522 being engaged with spacer pin 144.Thus, when above-mentioned first tumbler 1314 is freely discharged When, by first torsion spring 16 the first swinging mounting 14 and the first knob 13 can be made to automatically reset, and then the first rotation can be made The spacer pin 144 of support 14 is had an effect to the guide chute 1522 of STATEMENT OF FEDERALLY SPONSORED 15, STATEMENT OF FEDERALLY SPONSORED 15 is occurred under the effect Reset, the pinion portion 151 for causing STATEMENT OF FEDERALLY SPONSORED 15 engages again with above-mentioned main gear section 121, is achieved in for backrest 5 Angle of inclination stationary positioned；And the cooperation of the spacer pin 144 of the first swinging mounting 14 and above-mentioned guide chute 1522, moreover it is possible to Movement locus when enough guaranteeing that STATEMENT OF FEDERALLY SPONSORED 15 resets.It should be noted that above-mentioned first drive-connecting shaft 111 is also from the first connection projection Pass in 142, and the part that the first drive-connecting shaft 111 therefrom wears out is provided with c-type jump ring, is existed with limiting the first swinging mounting 14 Position in the axial direction of first drive-connecting shaft 111.

Referring to Fig. 9, (first tumbler in other words was shown before the first tumbler 1314 rotates in the figure After 1314 reset) above-mentioned push away post 141 and above-mentioned spacer pin 144 position respectively in STATEMENT OF FEDERALLY SPONSORED 15.

On the basis of with reference to Fig. 2, referring to Fig. 4, first cushion rack 11 of the present embodiment is provided with the second drive-connecting shaft 112, the first back bracket 12 is provided with the second pivoted hole 123, and the second drive-connecting shaft 112 is arranged in the second pivoted hole 123, and this The second torsion spring 17 is socketed with two drive-connecting shafts 112, the two ends of the second torsion spring 17 connect respectively the second drive-connecting shaft 112 and the first backrest Support 12；Specifically, the second drive-connecting shaft 112 is provided with slot 1121, and the first back bracket 12 includes locating dowel 122, and second One end of torsion spring 17 is plugged in above-mentioned slot 1121, and the other end of second torsion spring 17 is snapped onto in above-mentioned locating dowel 122.By This realizes the pivot joint between the first cushion rack 11 and the first back bracket 12, and guarantees mutual cooperation, and causes Above-mentioned pinion portion 151 and above-mentioned main gear section 121 are not to make the backrest 5 of seat directly to fall down when being separated.Need explanation , in the present embodiment, the central axis of above-mentioned first drive-connecting shaft 111 exists with the central axis of above-mentioned second drive-connecting shaft 112 On same axis.

Further, on the basis of with reference to Fig. 3,5 and 6, and referring to Figure 10 and 11, above-mentioned angle relation adjuster 2 is wrapped The second cushion rack 21 and the second back bracket 22 are included, the second cushion rack 21 and the second back bracket 22 are articulated, second turn Moving part 2324 includes the second knob 23 and the second swinging mounting 24, and the second knob 23 is fixedly connected with the second swinging mounting 24, the Two swinging mountings 24 are articulated on the second cushion rack 21；Wherein, driving member 3 includes drive line 31 and line set 32, drive line 31 In being arranged in line set 32, the two ends of line set 32 are separately fixed on the first cushion rack 11 and the second cushion rack 21, drive line 31 two ends connect respectively the first swinging mounting 14 and the second swinging mounting 24.Specifically：First swinging mounting 14 includes band First posting 145 of opening, is provided with the first limited post 311 in the first posting 145, the second swinging mounting 24 includes band and opens Second posting 241 of mouth, is provided with the second limited post in the second posting 241, the two ends of drive line 31 connect respectively the first limit The position limited post of post 311 and second；First cushion rack 11 includes the first fixed frame 113, and the second cushion rack 21 includes Two fixed frames 211, the two ends of above-mentioned line set 32 are individually fixed in the first fixed frame 113 and the second fixed frame 211；And be to realize Pivot joint between two cushion racks 21 and the second swinging mounting 24, on above-mentioned second cushion rack 21 the 3rd drive-connecting shaft is provided with 212, above-mentioned second swinging mounting 24 includes the second connection projection 242, and in the second connection projection 242 the 3rd pivot is equipped with Hole 2421 is connect, the 3rd pivoted hole 2421 is socketed the 3rd drive-connecting shaft 212；In addition, being also arranged with the 3rd at the 3rd drive-connecting shaft 212 Torsion spring 25, above-mentioned second swinging mounting 24 is provided with torsion spring stopper slot (not shown), and the 3rd drive-connecting shaft 212 is provided with draw-in groove, The two ends of the 3rd torsion spring 25 are respectively embedded into the draw-in groove of the 3rd drive-connecting shaft 212 and the torsion spring stopper slot of the second swinging mounting 24, by This is capable of achieving the reset of the second swinging mounting 24 and corresponding second knob 23.And wherein, above-mentioned drive line 31 is metal wire.Cause And, can rotate the second swinging mounting 24 by rotating the second knob 23, and the rotation of the second swinging mounting 24 can then make gold Category drive line 31 pulls the first swinging mounting 14 to rotate, and then makes STATEMENT OF FEDERALLY SPONSORED 15 link, and thus makes above-mentioned pinion Portion 151 and above-mentioned main gear section 121 are separated, and now just the angle of inclination of backrest 5 can be adjusted, and afterwards, are led to The second knob 23 of release is crossed, then the second swinging mounting 24 can reset in the presence of the 3rd torsion spring 25, at the same time, first Swinging mounting 14 and STATEMENT OF FEDERALLY SPONSORED 15 also reset in the presence of the first torsion spring 16, above-mentioned pinion portion 151 and above-mentioned main tooth Wheel portion 121 is engaged again, and realization regulates the fixation of the backrest 5 at angle of inclination.

Explanation is needed also exist for, above-mentioned 3rd drive-connecting shaft 212 is also passed from the second connection projection 242, and the 3rd The position that drive-connecting shaft 212 therefrom wears out is also equipped with c-type jump ring, and the second swinging mounting 24 is limited in the 3rd drive-connecting shaft with this Position in 212 axial direction.

The device for regulating chair angle of the present embodiment may be implemented in the left and right sides of seat being capable of inclining to backrest 5 Rake angle is adjusted, and its course of work and operation principle are：When the first knob 13 on the left of seat is rotated by hand, the first rotation Button 13 can drive the first swinging mounting 14 to rotate, and the rotation of the first swinging mounting 14 causes it to push away post 141 to promote STATEMENT OF FEDERALLY SPONSORED 15 to move Make, and then the pinion portion 151 of STATEMENT OF FEDERALLY SPONSORED 15 is separated with the main gear section 121 of the first back bracket 12, now can use Hand or back overcome or comply with the active force of the second torsion spring 17 to adjust the angle of inclination of backrest 5, and afterwards, hand unclamps the One knob 13, then the first swinging mounting 14 reset in the presence of the first torsion spring 16, the reset of first swinging mounting 14 The spacer pin 144 for arranging thereon can be caused to promote the trough rim of guide chute 1522, and then make STATEMENT OF FEDERALLY SPONSORED 15 also reset, be linked The reset of part 15 causes its pinion portion 151 and above-mentioned main gear section 121 to engage again, is achieved in for regulating angle The stationary positioned of backrest 5；And if when rotating the second knob 23 on the right side of seat by hand, the second knob 23 can be passed by metal Moving-wire 31 pull the first swinging mounting 14 rotate, and and then be capable of achieving STATEMENT OF FEDERALLY SPONSORED 15 pinion portion 151 and above-mentioned main tooth Wheel portion 121 is separated, and the angle of inclination of backrest 5, afterwards, hand now equally can be adjusted with the active force at hand or back If unclamping second knob 23, the second knob 23 can reset in the presence of the 3rd torsion spring 25, and the first knob 13 also can Reset in the presence of the first torsion spring 16, and metal drive line similarly return, and then it is capable of achieving the secondary tooth of STATEMENT OF FEDERALLY SPONSORED 15 Wheel portion 151 and above-mentioned main gear section 121 are engaged again, and the fixation for being thus also capable of achieving the backrest 5 of adjusted good angle is determined Position.

The seat angle adjustment of the utility model embodiment include cushion rack, back bracket, tumbler, STATEMENT OF FEDERALLY SPONSORED and Return unit, the tumbler makes the main gear section of back bracket and the pinion of the STATEMENT OF FEDERALLY SPONSORED by promoting the STATEMENT OF FEDERALLY SPONSORED Portion is separated, and the return unit makes the main gear section and pinion portion phase by driving tumbler and STATEMENT OF FEDERALLY SPONSORED to reset Engagement, thus, when in the side of seat with hand turn tumbler, the main gear section can be made mutually to divide with the pinion portion From, and then the angle of inclination of backrest can be adjusted, and when hand unclamps, the tumbler and the STATEMENT OF FEDERALLY SPONSORED can Reset in the presence of return unit, make the main gear section and the pinion portion be meshed, so as to incline to having regulated The backrest of rake angle is fixed positioning.Wherein, above-mentioned tumbler mainly includes swinging mounting, and above-mentioned STATEMENT OF FEDERALLY SPONSORED structure sets Meter is ingenious, and it includes pinion portion, main socket part and avoids pars convoluta, and above-mentioned return unit is torsion spring, therefore, seat of the present utility model Angle demodulator is relatively simple in structure, and parts are relatively fewer, and by the stacking and pivot joint of each critical piece just Assembling can be completed, without intermediate transverse girder is used, fit on is easier.

It should be appreciated that being described using term " first ", " second ", " the 3rd ", " the 4th " etc. in the utility model Various information, but these information should not necessarily be limited by these terms, and these terms are only used for that same type of information is distinguished from each other out. For example, in the case of without departing from the utility model scope, " first " information can also be referred to as " second " information, similar, " second " information can also be referred to as " first " information.

The above is preferred embodiment of the present utility model, it is noted that for the ordinary skill of the art For personnel, on the premise of without departing from the utility model principle, some improvement and deformation can also be made, these improve and become Shape is also considered as protection domain of the present utility model.

Claims (10)

1. a kind of seat angle adjustment, it is characterised in that including cushion rack, back bracket, tumbler, STATEMENT OF FEDERALLY SPONSORED and reset Part, the cushion rack and the back bracket are articulated, and the back bracket is provided with main gear section, and the STATEMENT OF FEDERALLY SPONSORED includes There is the pinion portion being engaged with the main gear section, the tumbler is articulated on the cushion rack, and the tumbler It is linked with the STATEMENT OF FEDERALLY SPONSORED, the tumbler makes the main gear section and the pinion portion by driving the STATEMENT OF FEDERALLY SPONSORED It is separated, the return unit is arranged on the cushion rack, the return unit is by driving the tumbler and the STATEMENT OF FEDERALLY SPONSORED Reset and make the main gear section and the pinion portion be meshed.

2. seat angle adjustment according to claim 1, it is characterised in that the tumbler includes swinging mounting, institute State swinging mounting and be articulated in the cushion rack, the STATEMENT OF FEDERALLY SPONSORED is also articulated in the cushion rack, and the swinging mounting includes Post is pushed away, the STATEMENT OF FEDERALLY SPONSORED is provided with and pushes away the position-limited edge that post is engaged with described.

3. seat angle adjustment according to claim 2, it is characterised in that the tumbler is arranged at the seat cushion First side of frame, the back bracket is arranged at the second side of the cushion rack, and the STATEMENT OF FEDERALLY SPONSORED includes main socket part, avoids song Portion and the pinion portion, in the main socket part, the main socket part is articulated in the of the cushion rack to the position-limited edge Side, the pinion portion is located at the second side of the cushion rack, and the avoidance pars convoluta is arranged at the main socket part and described Between pinion portion, and it is described avoid pars convoluta across the cushion rack the first side and the cushion rack the second side it Between.

4. seat angle adjustment according to claim 2, it is characterised in that the swinging mounting is provided with spacer pin, institute State STATEMENT OF FEDERALLY SPONSORED and be provided with the guide chute being engaged with the spacer pin.

5. seat angle adjustment according to claim 2, it is characterised in that the return unit is the first torsion spring, described First torsion spring is arranged at the drive-connecting shaft between the swinging mounting and the cushion rack.

6. seat angle adjustment according to claim 5, it is characterised in that the cushion rack is provided with the first pivot joint Axle, the swinging mounting is provided with the first pivoted hole, and first drive-connecting shaft is arranged in first pivoted hole, and described first turns round Spring is socketed on first drive-connecting shaft, and the two ends of first torsion spring connect respectively the swinging mounting and first pivot Spindle.

7. seat angle adjustment according to claim 6, it is characterised in that it is spacing that the swinging mounting is provided with torsion spring Groove, first drive-connecting shaft is provided with draw-in groove, and the two ends of first torsion spring are embedded respectively in the torsion spring stopper slot and described In draw-in groove.

8. seat angle adjustment according to claim 2, it is characterised in that the tumbler includes knob, described turn Dynamic support includes connection projection, and the knob is fixedly sheathed on the connection projection.

9. seat angle adjustment according to claim 1, it is characterised in that the cushion rack is provided with the second pivot joint Axle, the back bracket is provided with the second pivoted hole, and second drive-connecting shaft is arranged in second pivoted hole, second pivot The second torsion spring is socketed with spindle, the two ends of second torsion spring connect respectively second drive-connecting shaft and the back bracket.

10. seat angle adjustment according to claim 9, it is characterised in that second drive-connecting shaft is provided with slot, institute State back bracket and include locating dowel, the first end of second torsion spring is plugged in the slot, the of second torsion spring Two ends are snapped onto in the locating dowel.