CN207870633U - A kind of seat reclining regulating mechanism - Google Patents

Abstract

The utility model discloses a kind of seat reclining regulating mechanisms, the elasticity reset device of the turntable being rotationally connected with including chassis, by shaft on chassis, the movement tendency between chassis and turntable for making turntable be rotated to shaft side always has running clearance between turntable and chassis in the other side of shaft；The regulating mechanism further includes the latch fitting that can enter or deviate from running clearance, latch fitting is made to have the locked component into the movement tendency of running clearance, for pulling latch fitting to deviate from the solution lock set of running clearance always.Running clearance is formed under the resilient force of elasticity reset device, in addition lock set is conciliate using locked component to move to control latch fitting, so as to by locked component come realize by latch fitting be caught in running clearance limit turntable rotation, with this so that chair does not have reclining effect；Latch fitting is pulled out from running clearance by solving lock set so that chair has reclining effect.

Description

A kind of seat reclining regulating mechanism

Technical field

The utility model is related to a kind of chair, more particularly to a kind of seat reclining regulating mechanism.

Background technology

Existing patent such as Authorization Notice No. is that the patents such as CN29226118, CN102090805A all disclose a kind of reclining chair Sub- chassis, chair made of this kind of chassis due to that can make seat that the inclination of certain angle occur, make one to sit in use It can be more comfortable in above.

Wherein, Authorization Notice No. CN29226118, the Chinese patent that the applying date is on July 17th, 2006 disclose one kind Lifting and reclining Chair underpan, it is by upper disk, and mid-game and knob composition, knob are fixed on upper disk by CARRIAGE BOLTS, are prevented Dust hood, washer and spring are mounted in mid-game, and U-shaped iron, U-shaped supporting rack connection back steel sheet seat and upper disk are provided in mid-game, Back steel sheet seat passes through rivet interlacement back steel sheet seat by rivet interlacement mid-game, U-shaped supporting rack.Lifting pump is provided in mid-game, Disk is equipped with lift control switch on one side on chair, and upper disk connected by rivet with bearing with mid-game.When chair reclining, Spring plays the reset response to chair reclining, also, can be with adjustment spring to chair by the elastic acting force of adjustment spring The reset response power of reclining.

The Chinese patent that Authorization Notice No. is CN102090805A, the applying date is on December 10th, 2009 discloses one kind The adjustable Chair underframe of reclining power, including mid-game and deep bid, the rear portion of deep bid can be around the shaft relative to mid-game to lower swing, mid-games Lower front be equipped with knob, knob has cavity, is equipped in the cavity of the knob and the fixed mounting plate of knob, knob pair It should be equipped with worm gear in the position below mounting plate, the worm gear can correspond to around own axes relative to knob in knob Be equipped with worm screw engage with worm gear by worm gear, handle one end from knob it is overhanging enter knob in connect with the worm-drive, adjusting Bolt sequentially passes through the screw thread matching between the worm gear after the mounting plate in deep bid, mid-game and knob from top to bottom, described Adjusting bolt is coaxial with worm gear, and the position that adjusting bolt corresponds to mid-game or less and mounting plate or more is arranged with helical spring.It is logical The drive connection for crossing handle and worm screw can drive worm-drive, worm screw then worm gear to be driven to rotate when rotational handle, worm gear then edge The axis direction of adjusting bolt moves up or down, to make to be fixed on mounting plate together upward or downward with knob It is mobile, to adjust the compression degree of helical spring, then realizes and adjust helical spring to the purpose of chair reclining power, grasping When making, hand need to only be stretched to chair side and hold handle rotation by user without bending.

Above-mentioned two patent discloses the structure of two kinds of adjusting reset response power so that is seated at the chair made of this kind of chassis Large and small adjusting can be carried out when upper to reset response power so that it can adapt to the use demand of various people.But at present also There is no its chassis of a chair that can be carried out choosing whether to need this function of reclining according to user's demand.

Utility model content

The purpose of this utility model one is to provide a kind of seat reclining regulating mechanism, and whether have can have with unrestricted choice The effect of reclining function.

The above-mentioned technical purpose one of the utility model technical scheme is that：

A kind of seat reclining regulating mechanism, including chassis, be rotationally connected with by shaft on chassis turntable, be set to it is described The elastic reset dress for the movement tendency between chassis and the turntable being used to that the turntable to be made to rotate to the shaft side always It sets, there is running clearance in the other side of the shaft between the turntable and the chassis；The regulating mechanism further includes can Into or the abjection running clearance latch fitting, make the latch fitting that there is the lock of the movement tendency for entering the running clearance always Determine component, for pulling the latch fitting to deviate from the solution lock set of the running clearance.

So set, the chassis and turntable with shaft connection form the structure that can mutually rotate, then in elasticity reset device Resilient force under form running clearance, in this way, the people being seated on chair backward or toward lean forward when, turntable can occur around the shaft Drive seat rotating is correspondingly rotated, so that seat has certain tilt capability.In addition, passing through locked component and unlock Component moves to control latch fitting, limits turntable rotation to realize latch fitting being caught in running clearance by locked component, is made with this It obtains chair and does not have reclining effect；Latch fitting is pulled out from running clearance by solving lock set so that chair has reclining effect.

Further preferably：The solution lock set includes that one end is connected to the drawstring of latch fitting and overcomes for winding drawstring The coiler of elastic force.

So set, when needing reclining function, rotation coiler is wound thereon by drawstring, to shorten positioned at coiler Pulling rope length between latch fitting drives the latch fitting corresponding displacement occurs with this to overcome the movement tendency of locked component, real Now latch fitting is pulled out from running clearance；When not needing reclining function, coiler is rotated backward, unclamps drawstring so that multiple Latch fitting reset is caught in running clearance again under the resilient force of position spring.

Further preferably：The locked component include the elastic force resetting spring opposite with drawstring pulling force and for reset Spring is abutted to generate the follow block of elastic force.

So set, being arranged by follow block so that resetting spring is between latch fitting and follow block, when drawstring, which pulls, to be unlocked So that resetting spring forms compression, so that when drawstring is elongated again, realized under the resilient force of resetting spring multiple Position, limits turntable so that latch fitting enters in running clearance.

Further preferably：The latch fitting is the sliding block that a sliding is connected on turntable, the elastic force of the resetting spring It acts on sliding block.

So set, pull sliding block to be slid on turntable by drawstring pulls out sliding block releasing to realize from running clearance Turntable limits so that it can rotate；By in latch fitting reset of card running clearance under the action of resetting spring, the limit to turntable is realized It is fixed.

Further preferably：The latch fitting includes rotation connection and the rotating member on turntable, the tooth that is fixedly arranged on rotating member Wheel and the rack for being engaged in gear and being connected in drawstring, the resilient force of the resetting spring is on rack.

So set, by drawstring pull rack, overcome elastic force to do sliding motion, then by band moving gear rotate come So that rotating member is rotated, it is made to be transferred in running clearance or be produced from running clearance, in resetting spring after release drawstring It is resetted under the action of elastic force.

Further preferably：The both ends of the drawstring are both provided with shackle member, and correspondence is set on the latch fitting and coiler It is equipped with the card slot being embedded in for shackle member and the accommodating groove for storing drawstring.

So set, the connection between drawstring and latch fitting and coiler is realized by way of card bead and card slot, structure letter Single, connection is very convenient.

Further preferably：Hollow protection pipe is provided between the follow block and coiler, the drawstring is arranged in hollow guarantor In pillar.

So set, being protected to drawstring by hollow protection pipe, reduces it and occur when in use because of outside cause The problems such as causing drawstring to be broken improves its service life.

Further preferably：The wire winding tube and be set to shell that the coiler includes shell, is rotationally connected in shell On limited block for positioning wire winding tube, the card slot and accommodating groove be set on wire winding tube, and the shell, which is externally provided with one, to be run through The plectrum that shell is connect with wire winding tube.

So set, winding drawstring by plectrum to rotate wire winding tube, and then the elastic force of resetting spring is overcome to pull lock Part turns an angle in wire winding tube（When latch fitting is caught between chassis and turntable or latch fitting is deviate between chassis and turntable When）, wire winding tube is fixed by limited block, keeps latch fitting state.

Further preferably：The limited block is the elastic card that a bending is formed with clamping protrusion, the take-up Multiple recessed portions with clamping male cooperation are provided on cylinder.

It is clamped, is realized to wire winding tube so set, being coordinated as the recessed portion on locating part and wire winding tube using elastic card Circumferential limit is fixed so that carries out keeping its length condition after pulling rope length is adjusted in rotation wire winding tube.

Further preferably：The elasticity reset device includes the pull rod of connecting base plate and turntable, is sheathed on pull rod Compressed spring, the actuator for moving axially casting die that compressed spring is pressed on chassis and control casting die along pull rod, the drive Moving part is knob or worm gear mechanism.

So set, pull rod is attached the two through turntable and chassis, then by being arranged compressed spring and passing through Casting die keeps the compressed spring to be in compressive state so that the resilient force of compressed spring keeps chassis and turntable on chassis Between compress to keep turntable in initial position, in addition, the elastic force in compressed spring is adjusted by actuator.

In conclusion the utility model has the advantages that：Turntable is rotatablely connected with chassis, and is filled in elastic reset Under the action of setting, when people is sitting on the chair being made from it can backward/lean forward, the chair being fixed on turntable is driven with this Seat correspondingly rotates so that the people being seated on chair is more comfortable, and by actuator to the elastic force of compressed spring into Row adjust can control needed for drive turntable rotation amount of force so that it can according to different weight, crowd demand into Row is corresponding to be adjusted；In addition, realizing the restriction to turntable by the setting of latch fitting, realize whether chair has reclining function can root It is selected according to demand, in addition using solution lock set, solution lock set can be arranged in place easy to operation, conveniently be seated at chair People on son regulates and controls.

Description of the drawings

Fig. 1 is the overall structure diagram of embodiment one；

Fig. 2 is the structural schematic diagram of embodiment one, shows the structure of elasticity reset device；

Fig. 3 is the main sectional view of embodiment one；

Fig. 4 is the structural schematic diagram after one turntable of embodiment and chassis fractionation；

Fig. 5 is the positive structure schematic of one turntable of embodiment；

Fig. 6 is the structure schematic diagram of one turntable of embodiment；

Fig. 7 is the structural schematic diagram of latch fitting and solution lock set in embodiment one；

Fig. 8 is the structural schematic diagram of sliding block in embodiment one；

Fig. 9 is the structure and its mounting structure schematic diagram of limited block in embodiment one；

Figure 10 is the structural schematic diagram of wire winding tube in embodiment one；

Figure 11 is the structural schematic diagram for the shell that lock set is solved in embodiment one；

Figure 12 is the structural schematic diagram of latch fitting in embodiment two；

Figure 13 is the overall structure diagram of embodiment three；

Figure 14 is the structural schematic diagram of actuator in embodiment three.

In figure, 1, turntable；11, side wall；12, connecting hole；13, counterbore；14, arc-shaped convex；2, chassis；21, boss； 22, side plate；23, avoid holes；3, shaft；4, elasticity reset device；41, pull rod；411, gear cap；412, limited block；42, bullet is compressed Spring；43, radiation fins；44, casting die；441, connection wall；45, actuator；451, worm screw；452, worm gear；461, control stick；5, it lifts Pump；6, locked component；61, link block；611, sliding slot；62, follow block；621, limit protrusion；63, resetting spring；7, latch fitting；71、 Sliding block；72, rotating member；73, gear；74, rack；75, jack；8, lock set is solved；81, drawstring；82, shackle member；83, it winds Device；831, shell；8311, it is open；832, wire winding tube；8321, plectrum；8322, spliced eye；8323, recessed portion；8324, circular arc Shape baffle；833, limited block；8331, clamping protrusion；84, card slot；85, accommodating groove；9, hollow protection pipe；10, running clearance.

Specific implementation mode

The utility model is described in further detail below in conjunction with attached drawing.

This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but As long as within the protection scope of the present utility model all protected by Patent Law.

Embodiment 1：A kind of seat reclining regulating mechanism, as shown in Figure 1 and Figure 4, including chassis 2 and turntable 1, chassis 2 One end is provided with lifting pump 5, the other end is provided with both side plate 22 and forms U-shaped connection structure；Turntable 1 is connect with the seat of chair, It is provided on it between two pieces of corresponding side walls 11 are inserted in for both side plate 22, passes through a shaft 3 and connect two side 11 and two Side plate 22 forms the rotational structure of wraping plate shape.

With reference to Fig. 2 and Fig. 3, it is provided with elasticity reset device 4 on turntable 1 and chassis 2, is drawn by elasticity reset device 4 It is dynamic that turntable 1 is kept to form running clearance 10 in the other side.Elasticity reset device 4 include pull rod 41, compressed spring 42, casting die 44 with And actuator 45,3 one side position of shaft is provided with connecting hole 12 on the turntable 1（Referring to Fig. 4）, it is located on chassis 2 and turns The marginal position of 3 side of axis is provided with avoid holes 23（Referring to Fig. 4）, one end of pull rod 41 is provided with gear cap 411, other end setting Have screw thread, be arranged threaded one end sequentially pass through after connecting hole 12, avoid holes 23, compressed spring 42 and casting die 44 with actuator 45 are threadedly coupled.The both ends of compressed spring 42 are abutted with the end face on chassis 2 and casting die 44 respectively, wherein actuator 45 is one The knob of hollow setting, casting die 44 are accommodated in knob, are arranged with a radiation fins 43 outside compressed spring 42, and the one of radiation fins 43 End is plugged in knob.

Wherein, pull rod 41 is provided with the limited block 412 that one end of gear cap 411 is additionally provided with one in cuboid, limited block 412 It is connect with gear cap 411.In conjunction with attached drawing 5, connecting hole 12 in it is wide it is identical with limited block 412, grow it is longer than limited block 412 rectangular-shaped, So that limited block 412 is inserted into connecting hole 12 and has certain activity space.The edge of connecting hole 12 on the turntable 1 The counterbore 13 that is recessed towards 2 direction of chassis is provided with so that gear cap 411 has certain rotation space, with this avoid to seat with The installation of turntable 1 is shone into influence, and counterbore 13 is in the shape of falling truncated rectangular pyramids.

The both sides of connecting hole 12 are provided with two arc-shaped convex 14, as shown in Fig. 2, avoid holes 23 can be arranged in waist type Or diameter is more than the circle of pull rod 41, so that when turntable 1 rotates and pull rod 41 is driven to move, gear cap 411 can be in circular arc It is moved accordingly in shape protrusion 14, and avoid holes 23 are moved without limitation on pull rod 41.

With reference to Fig. 2, the edge of avoid holes 23 is provided with boss 21, the diameter of boss 21 is less than the interior of compressed spring 42 Diameter, situations such as can carrying out radial positioning to compressed spring 42 by boss 21, it is avoided to shake in use.

As shown in Figure 1, being connected with link block by nut relative to the side for being provided with elasticity reset device 4 in turntable 1 61, as shown in fig. 7, being provided with T-shaped sliding slot 611 on link block 61,611 direction of sliding slot is arranged along the length direction of turntable 1, Sliding is connected with a sliding block 71 and is used as latch fitting 7 on sliding slot 611, enters running clearance 10 by sliding block 71（Referring to Fig. 3）In it is right Turntable 1 carries out rotation restriction, conversely, turntable 1 can rotate under external force.

As shown in figure 8, being provided with two jacks 75 on sliding block 71, two are provided on follow block 62 with reference to Fig. 7 with reference to Fig. 7 Limit protrusion 621 is inserted with a resetting spring 63 in two jacks 75, is provided on link block 61 vertical with turntable 1 Follow block 62, follow block 62 are located at side of the sliding block 71 far from shaft 3, and the other end of resetting spring 63 is set on limit protrusion 621 And it is connected on follow block 62.Wherein, resetting spring 63, follow block 62 constitute locked component 6.

With reference to Fig. 7, sliding block 71 is controlled by a solution lock set 8, and solution lock set 8 includes drawstring 81, hollow protection pipe 9 and receives Device 83 is rolled up, in conjunction with shown in attached drawing 9, coiler 83 includes shell 831, wire winding tube 832 and limited block 833, wire winding tube 832 Centre is equipped with spliced eye 8322, and wire winding tube 832 is rotatably connected on across spliced eye 8322 on shell 831 by a rotation axis, ties It closes shown in attached drawing 10, card slot 84 and the accommodating groove 85 for storing drawstring 81, accommodating groove 85 and card is provided on coiler 83 Slot 84 is connected to.One end of drawstring 81 is caught in realization drawstring 81 in card slot 84 by a shackle member 811 after passing through shell 831 and winds The connection of device 83, wherein the shackle member 811 at the end is cylindrical.It is provided on wire winding tube 832 and is exposed to dialling on shell 831 Drawstring 81 is received into accommodating groove 85 by piece 8321 to stir the rotation of wire winding tube 832, as shown in figure 11, is set on shell 831 Opening is equipped with 8311 to stir for plectrum 8321, be provided on plectrum 8321 arc-shaped baffle 8324 for close be open 8311.

As shown in figure 9, limited block 833 is the elastic card that a bending is formed with a clamping protrusion 8331, elastic card It is connected on shell 831, there are two recessed portions 8323 to be limited for being caught in for clamping protrusion 8331 for setting on wire winding tube 832 Wire winding tube 832 rotates.

With reference to Fig. 7, it is also equipped with shackle member 811 in the other end of drawstring 81, the shackle member 811 at the end is in pearl, in cunning Card slot 84 and the accommodating groove 85 for storing drawstring 81 are also equipped on block 71, the other end of drawstring 81 passes through card across follow block 62 Fitting 811 is caught in the card slot 84 of sliding block 71 and is attached, and the both ends of hollow protection pipe 9 are fixedly connected on follow block 62 and shell Between 831, drawstring 81 is arranged in hollow protection pipe 9.

Turntable 1 is rotatablely connected with chassis 2, and under the action of elasticity reset device 4, when people is sitting in the chair being made from it When upper can backward/lean forward, drive fixed seat on the turntable 1 to correspondingly rotate with this, it is logical after external force disappearance The elastic force of overcompression spring 42, which reset, returns to initial position.In addition, can be to compressed spring 42 by rotating knob Amount of force that elastic force is adjusted that turntable 1 is driven needed for controlling to rotate is so that it can according to different weight, crowd Demand is adjusted accordingly.

In addition, realizing the restriction to turntable 1 by the setting of latch fitting 7, realize whether chair has reclining function can basis Demand is selected, and in initial position, knob winding is on spooler, and drawstring 81 pulls 71 compressed spring 42 of sliding block to make at this time It keeps confined state, and sliding block 71 does not snap onto between turntable 1 and chassis 2 at this time, and turntable 1 can drive seat at this time Rotation.When needing to limit the rotation of turntable 1, wire winding tube 832 is rotated so that drawstring 81 is elongated, under the action of compressed spring 42 Sliding block 71 is given into promotion to shaft 3, it is made to snap onto between turntable 1 and chassis 2,71 spacing rotating disk 1 of sliding block rotates at this time.

Embodiment 2：As shown in figure 12, difference from example 1 is that, latch fitting 7 includes rotation in the present embodiment Part 72, gear 73 and rack 74, driving member are in rod-shaped, and gear 73 is fixed at one end of driving member, driving member rotation connection On the turntable 1, gear 73 is between rotating member 72 and turntable 1.Rack 74 is engaged with gear 73, and sliding is connected to link block On 61, glide direction is the direction of axis line of shaft 3.Follow block 62 is arranged in the plane vertical with shaft 3, is set on rack 74 It is equipped with jack 75 to be inserted into for resetting spring 63, the other end of resetting spring 63 is abutted with follow block 62.Card slot 84 and accommodating groove 85 are set It sets on rack 74, i.e., in the connection of drawstring 81 and rack 74.

Difference lies in drawstring 81 and resetting spring 63 control the movement of rack 74, pass through tooth with embodiment 1 for it Item 74 is rotated with moving gear 73, then rotating member 72 is driven to rotate, by the end of rotating member 72 be transferred to turntable 1 and chassis 2 it Between when turntable 1 is limited, restriction to turntable 1 is released when rotating member 72 is produced between turntable 1 and chassis 2.

Embodiment 3：As shown in Figure 13 and Figure 14, difference from example 1 is that, actuator 45 is worm and gear machine Structure, pull rod 41 pass through one end of casting die 44 to be threadedly coupled with worm gear 452, and casting die 44 supports under the resilient force of compressed spring 42 It is pressed on worm gear 452, and has been formed down connection wall 441 and has wrapped up worm gear 452, worm screw 451 is engaged with worm gear 452 and fixed company It is connected on the control stick 461 that one is rotatably connected in connection wall 441.

Difference lies in make the people being seated on seat be convenient for filling elastic reset by the setting of worm screw 451 with embodiment 1 4 are set to be controlled.

Claims (10)

1. a kind of seat reclining regulating mechanism, including chassis (2), the turntable on chassis (2) is rotationally connected with by shaft (3) (1), it is set to the chassis（2）With the turntable（1）Between for making the turntable always（1）To the shaft（3）Side turns The elasticity reset device (4) of dynamic movement tendency, it is characterized in that：The turntable（1）With the chassis（2）Between in the shaft （3）The other side have running clearance（10）；The regulating mechanism further includes that can enter or deviate from the running clearance（10）'s Latch fitting（7）, make the latch fitting always（7）With the entrance running clearance（10）Movement tendency locked component, for drawing Move the latch fitting（7）To deviate from the running clearance（10）Solution lock set (8).

2. a kind of seat reclining regulating mechanism according to claim 1, it is characterized in that：The solution lock set (8) includes one End is connected to the drawstring (81) of latch fitting (7) and overcomes the coiler (83) of elastic force for winding drawstring (81).

3. a kind of seat reclining regulating mechanism according to claim 2, it is characterized in that：The locked component includes elastic force It the resetting spring (63) opposite with drawstring (81) pulling force and is abutted for resetting spring (63) to generate the follow block (62) of elastic force.

4. a kind of seat reclining regulating mechanism according to claim 3, it is characterized in that：The latch fitting (7) is that a sliding connects The sliding block (71) being connected on turntable (1), described, the resilient force of the resetting spring (63) is on sliding block (71).

5. a kind of seat reclining regulating mechanism according to claim 3, it is characterized in that：The latch fitting (7) includes that rotation connects Connect on turntable (1) rotating member (72), the gear (73) that is fixedly arranged on rotating member (72) and be engaged in gear (73) and in The rack (74) of drawstring (81) connection, the resilient force of the resetting spring (63) is on rack (74).

6. a kind of seat reclining regulating mechanism according to claim 4 or 5, it is characterized in that：The both ends of the drawstring (81) It is both provided with shackle member (811), is correspondingly arranged on the latch fitting (7) and coiler (83) for shackle member (811) insertion Card slot (84) and accommodating groove (85) for storing drawstring (81).

7. a kind of seat reclining regulating mechanism according to claim 3, it is characterized in that：The follow block (62) and coiler (83) hollow protection pipe (9) is provided between, the drawstring (81) is arranged in hollow protection pipe (9).

8. a kind of seat reclining regulating mechanism according to claim 6, it is characterized in that：The coiler (83) includes shell (831), the wire winding tube (832) that is rotationally connected in shell (831) and on shell (831) for positioning wire winding tube (832) limited block (833), the card slot (84) and accommodating groove (85) are set on wire winding tube (832), the shell (831) It is externally provided with a plectrum (8321) being connect with wire winding tube (832) through shell (831).

9. a kind of seat reclining regulating mechanism according to claim 8, it is characterized in that：The limited block (833) is one Bending is formed with the elastic card of a clamping raised (8331), is provided on the wire winding tube (832) multiple raised with clamping (8331) recessed portion (8323) coordinated.

10. a kind of seat reclining regulating mechanism according to claim 1, it is characterized in that：Elasticity reset device (4) packet The pull rod (41) for including connecting base plate (2) and turntable (1), the compressed spring (42) being sheathed on pull rod (41), by compressed spring (42) actuator (45) that the casting die (44) and control casting die (44) being pressed on chassis (2) are moved axially along pull rod (41), institute It is knob or worm gear mechanism to state actuator (45).