CN106671890A - Joint-type article holder for chairs of transportation means - Google Patents

Abstract

The invention relates to a joint-type article holder for chairs of transportation means. Particularly, the joint-type article holder is arranged on the back face of one vehicle chair. The joint-type article holder is folded to the back face of the vehicle chair for storage when not used, and can be used by unfolding a folded arm. The joint-type article holder is capable of supporting articles stably in case of held article weight and separated distance change.

Description

The seat of vehicles joint type supports for articles

Technical field

The present invention relates to a kind of seat of vehicles joint type supports for articles, more specifically, it is related to before one kind is arranged on In the seat for arranging afterwards behind forward seat, be close to by folding the joint portion of multiple arms seat followed by keeping Or launch arm using, so as to, even if the longitudinal separation change between seat, the also stably vehicles of placing articles Seat joint type supports for articles.

Background technology

Recently, guider (navigation), PMP (portable media player) player, PDA (personal digital Assistants), DMB (digital multimedia broadcasting) player, MP3 (MPEG audio layer-3) player, The terminals such as electronic dictionary, mobile phone are constantly minimized, meanwhile, develop into the comprehensive form for possessing each function.

It is not only easy to carry with the miniaturization and lightweight of the terminal, and, in addition to family, office etc., vapour Also attempt to be suitable on the vehicles of car, aircraft etc..

Having as representative examples can also place the support of the terminals such as portable terminal or omniselector in vehicle traveling.

Existing support is attached to fixed on instrument board or front glass surface generally through vacuum suction or bonding agent, also untapped so far Go out the passenger to be sitting in front or behind on the vehicles such as automobile or aircraft and easily technology is provided.

It is sitting in the article that the passenger of back seat uses and is mainly the portable terminal devices such as panel computer or data, book etc., is not used to out The terminals such as the omniselector of car.

In the vehicles such as automobile, aircraft, ship, train, as an explanation automobile, driver's seat or copilot are sitting in The passenger of the back seat of seat is seated and sees behind front stall, and lateral parts are passages or very narrow, therefore are not easy to be provided for The support of article is supported, inconvenience is there is also in terms of utilization space.

Especially, article as above can be fixed behind front stall or front stall is disposed behind for accommodating propping up for article temporarily Frame, in the above placing articles are used, but now, the passenger for being sitting in back seat is difficult the custom adjustment according to oneself and article Distance (convenient to operate the distance of panel computer etc. or according to user's reading or the distance of data), and, when front stall is inclined, The passenger of back seat also changes therewith posture, therefore, using very inconvenient.

In the support for supporting article disposed behind of front stall, it is considered as guaranteeing to sit situations such as the vehicles are clashed In the passenger safety of back seat.

In order to be placed on behind front stall before back-seat passengers, it is necessary to possess interval adjustment function, except the interval adjusts work( Outside energy, the physical action that brings because of vibration and the heavy burden to article during to travelling on emergency brake or dirt road need to be from front stalls Distance is maintained spaced apart by below, and needs the state that can stably keep supporting article.

Citation

Patent document

No. 1321016 publication (2013.10.16) of Korean granted patent

Korea discloses utility model 20-1997-0001241 publications (1997.1.21)

The content of the invention

It is an object of the present invention to provide a kind of seat of vehicles joint type supports for articles, the supports for articles setting Behind the front stall of the vehicles such as automobile, aircraft, ship, train, during keeping, fold into side behind front stall and protected Pipe, when using, the deployable arm being folded using, move by weight according to article, the distance change left and correspondence The vibration that produces when power driven tools are moved and the physical action that causes can stably support article, also, when mobile instrument is rushed Can prevent article from colliding with passenger when prominent, safely protect passenger.

Invention effect

The present invention has the effect that.

Supports for articles of the invention is arranged on behind front stall, during keeping, is folded into side behind front stall and is taken care of, When using, the deployable arm being folded using, weight according to placing articles, the distance change left and automobile etc. The vibration that mobile instrument is produced when moving, can stably support article by bearing to the direction that Item Weight is acted on.

And, when mobile instrument is clashed, arm stably keeps keeping state by sticking department, when passenger leans forward, Arm is folded to correspondence and collides with the joint type support comprising article, so as to, it can be ensured that the safety of passenger.

Description of the drawings

Fig. 1 a to Fig. 1 c are setting of the seat with joint type supports for articles for illustrating the vehicles according to an embodiment of the invention State, the first arm and the second arm rotate upwardly and downwardly relation and horizontally rotate relation and article from the end of the second arm by spherical Joint carries out the stereogram of the relation of spheric motion.

Fig. 2 is the seat structure of joint type supports for articles and the dividing for its marriage relation of the vehicles for explanatory diagram 1a Solution stereogram.

Fig. 3 is the exploded perspective view of the marriage relation of turning unit composition and its structure for illustrating Fig. 2.

Fig. 4 is that each structure of the turning unit for illustrating Fig. 3 combines the stereogram of state.

Fig. 5 is the sectional view for briefly showing the structure from the side that is defined by the length direction center of Fig. 4.

Fig. 6 a to Fig. 6 b are the sectional views being defined by I-I line and II-II line of Fig. 4.

Fig. 7 is the stereogram from inside bonnet in terms of the front direction of seat.

Fig. 8 is the top view of Fig. 7.

Fig. 9 is the side cross-sectional view of the structure for illustrating the lock cell of the present invention and its action for constituting.

Reference：

1：Seat 2：Bonnet

2a：Mounting groove 2b：Arm insertion groove

2c：Support insertion groove 3：Pedestal

4：Installing rack 100：Fixed mount

110：Outrigger 111：Axle insertion section

113：Joint portion 120：Internal frame

121：Shaft supporting part 121a：Axle supported hole

123：Coupling part 123a：Coupling aperture

200：Turning unit 210：Rotating shaft

220：Disc spring 230：Packing ring

240：Castellated nut 300：First arm

301：First lid 301a：Installation step

303：Second lid 305：First movable frame

310：First axle unit 311：The first connecting portion part

311a：Projection 313：First clutch bearing

313a：Needle roller 315：First axle axle

315a：Retainer 317：First tie-beam

319：First brake unit 319a：First disc spring

319b：Packing ring 319c：First castellated nut,

320：Second hinge unit 321：Second connecting portion part

321a：Projection 323：Second clutch bearing

325：Second hinge axle 325a：Retainer

327：Second tie-beam 329：Second brake unit

329a：Second disc spring 329b：Packing ring

329c：Second castellated nut 329b：Packing ring

400：Second arm 400a：Steel ring

401：First lid 403：Second lid

405：Second movable frame 500：Lock cell

510：Lock 511：Rotary shaft

512：Torque spring 520：Push rod

530：Button 600：Globe joint

611：Ball 610：Ball installation portion

620：Ball receiving portion B：Bolt

H：Through hole P：Shelf

S：Spring

Specific embodiment

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.In the present invention, specification and claim model Term used in enclosing must not limited interpretation be common, dictionary on defined implication, according to inventor in order to optimal Method illustrate the invention of oneself can with the principle of appropriate concept definition term, should be interpreted that meet the present invention technology think The implication thought and concept.

And, it is the preferred embodiments of the present invention that the embodiment described in this specification is constituted with diagram, is not represented Whole technological thoughts of the present invention, thus, it will be appreciated that having the various of the technological thought that can replace the present invention in application time point Equipollent and variation.

In the explanation of the present invention, the explanation of above and below or front and rear to each composition part is to arrange seat Direction is defined, and for above or front, its rightabout is for below or rear for passenger's direction of visual lines.

Also, heavy burden direction refers to object from the direction of top applying power downward, and its rightabout is referred to from below to top User lifts the direction of the power of holder part.

And be defined as the rotation of horizontal direction to turn round (swivel), the composition relevant with revolution is defined as turning unit, will be upper The rotation in lower direction is defined as hinge rotation.

In structure with length and annexation, when illustrating one end (side) and the other end (opposite side), will be provided with The end or direction in the direction of fixed mount is defined as one end or side, is provided with the reciprocal end or direction definition of fixed mount For the other end or opposite side.

Hereinafter, it is explained in detail with reference to the accompanying drawings according to a preferred embodiment of the invention.

According to Fig. 1 a and Fig. 1 b, the seat joint type supports for articles of the vehicles according to embodiments of the present invention is arranged at seat Behind 1, with support article (portable electric appts, book etc.) effect, so as to, even if the heavy burden of article and from Also can stably support with the distance change between seat 1.

It is arranged at the bonnet 2 behind seat 1 to be integrally constituted with seat 1 as a part for seat 1 or as in addition Injection article be incorporated into the structure of seat.

Fig. 1 a and Fig. 1 b to be illustrated and rotate the change in location that (rotating upwardly and downwardly) adjusts dividing plate P using hinge.

Fig. 1 c illustrate the setting state of the seat with joint type supports for articles of the vehicles according to the present embodiment, illustrate and utilize back Turn the position adjustment change of the shelf P of (horizontally rotating) and by the tilt variation of globe joint described later.

Reference picture 1a to Fig. 9 illustrates the seat joint type supports for articles of the vehicles according to an embodiment of the invention.According to The seat of the vehicles of embodiment of the present invention joint type supports for articles, including：Fixed mount 100, is arranged at seat 1 Below；Turning unit 200, can to horizontally rotate be arranged at fixed mount 100；First arm 300, one end is by the first hinge Chain element 310 is connected to turning unit 200 with can rotating upwardly and downwardly, and possesses second hinge unit 320 in the other end；Second arm 400, one end is connected to the first arm 300 in which can rotate upwardly and downwardly by second hinge portion 320, and the other end is connected to shelf P Behind.

According to an embodiment of the invention the seat of vehicles joint type supports for articles, can pass through the first arm 300 and second The rotation of arm 400 and jackknife action horizontally rotating and rotate upwardly and downwardly, so as to adjust the position of dividing plate P freely.

Can possess lock cell 500 on seat 1, so as in the state for folding the first arm 300, the second arm 400 and shelf P Under be locked in behind seat 1 or unlock state.

More specifically, locking is further set towards the direction of the bonnet 2 of seat 1 in the first arm 300 and/or the second arm 400 Portion, is provided with the lock cell 500 corresponding to sticking department on the seat 1 including bonnet 2, and the lock cell is used for solid Determine sticking department and be arranged in the state of predeterminated position, or release its stationary state.

Now, fixation of the lock cell 500 to sticking department is in the state of shelf P is arranged in receiving portion, that is, to fold first Perform in the state of the arm 400 of arm 300 and second and shelf P.

Sticking department is the steel ring or hook shape projected from the surface of the first arm 300 and/or the second arm 400.

In an embodiment of the present invention, enumerate as sticking department and be formed in the steel ring 400a of the second arm 400 to illustrate by locking The process that unit 500 is locked and unlocked.Fixed mount 100 is the knot of the internal combustion internal frame 120 in outrigger 110 Structure, outrigger 110 forms axle insertion section 111 in side, and the joint portion 113 extended from axle insertion section 111 is formed with opposite side.

The shaft supporting part 121 with axle supported hole 121a is formed on the top of internal frame 120, it is curved in the bottom of shaft supporting part 121 It is curved into the coupling part 123 with coupling aperture 123a.

Internal frame 120, the coupling of blending bolt B are inserted in the inside of outrigger 110.

Turning unit 200 is the device for shelf P to be rotated in the horizontal direction, including rotating shaft 210, more than one disc spring 220th, multiple packing rings 230 and castellated nut 240.

That is, rotating shaft 210 runs through axle supported hole 121a, to be inserted into axle insertion section 111 by the state that shaft supporting part 121 is supported It is interior.

Disc spring 220 is arranged at rotating shaft 210, rotating shaft 210 is flexibly horizontally rotated.

Packing ring 230 is inserted in rotating shaft 210, is configured in the both sides of disc spring 220.

Castellated nut 240 is coupled in the end of rotating shaft 210, after coupling, axle insertion section 111 is inserted in together with rotating shaft 210 It is interior.

The bonnet 2 that may be disposed at behind seat 1 is plastic injection thing, and with receiving portion, described accommodation section is in upper end below Portion be formed with mounting groove 2a in case fold when shelf P be projected into outside, can further form arm insertion groove in mounting groove 2a 2b, for inserting the first arm 300 and the second arm 400；Fixed mount insertion groove 2c, for inserting fixed mount 100.

First arm 300 possesses through hole H in assigned position, including the first lid 301 combined with the first lid 301 the second lid 303, The first movable frame 305 being fixed between the first lid 301 and the second lid 303.

Fitting stepped portion 301a can be formed in the upper outside face of the first lid 301, for closely installing the second arm 400.

The other end of second arm 400 can be connected to shelf P by globe joint 600, as an embodiment, such as Fig. 2 institutes Show, the ball installation portion 610 for possessing ball 611 is arranged before shelf P, and can be formed in the other end of the second arm 400 is used for House the ball resettlement section 620 of ball 611.

Or, although not shown, as other embodiment, the ball for possessing the ball 611 is set in the other end of the second arm 400 Installation portion 610, can form the ball receiving portion 620 combined with ball 611 before shelf P.Certainly, ball 611 can have Whole spherical shape or polyhedron-shaped.Second arm 400 possesses steel ring 400a as sticking department, and the second arm 400 possesses steel ring 400a, Second arm may include the second lid 403 that the first lid 401 combined with the first lid 401, be fixed on the first lid 401 and the second lid The second movable frame 405 between 403.

The effect of lock cell 500 be when fold the first arm 300 and the second arm 400 by shelf P certainly in mounting groove 2a when, While locking the first arm 300 and the second arm 400, shelf P is strongly attach into the bonnet 2 of seat 1.Now, exist First arm 300 is formed with through hole and second arm is folded into centered on second hinge unit 320 for first arm The partial penetration of facing sticking department when 400.Lock cell 500 include be locked in steel ring 400a lock 510, Be selectively rotated lock 510 to control to latch the operating portion of 510 and the lockings of steel ring 400a, operating portion possess push rod 520, For pressing the button 530 of push rod 520.

Preferably, lock 510 has hook or steel ring shape.

The rotary shaft 511 of lock 510 is provided with torque spring 512, the elastic force of torque spring 512 puts on lock 510 All the time it is locked in the direction of steel ring 400a.

Lock 510 can be arranged at the installing rack 4 of the underframe 3 of seat 1 to be locked in steel ring 400a elastic rotation.

Push rod 520 is slidably disposed in the medial surface of seat 1 so that being selectively rotated lock 510 to release lock 510 Locking condition.

Button 530 is flexibly set in the side of seat 1 to press push rod 520.

More specifically, the arm insertion groove 2b that is formed at behind bonnet 2 behind seat 1 is arranged and is elastically supported the The spring S (reference picture 1a) of one arm 300, so as to, release lock 510 locking condition when provide elastic force make shelf P to Somewhat project outward, user can easily take out shelf P.

The action for illustrating lock cell 500 is as follows.Fold the first arm 300 and the second arm 400 and will be in mounting groove 2a During keeping shelf P, the steel ring 400a of the second arm 400 is coupled in lock 510 by the elastic force of torque spring 512.

On the contrary, will from mounting groove 2a take out shelf P when, if pressing button 530, push rod 520 entered by button 530 Line slip is moved.

Now, the pressing of push rod 520 lock 510, lock 510 overcomes the elastic force of torque spring 512 to be defined by rotary shaft 511 Rotated, and released the locking condition of lock 510 and steel ring 400a.

Meanwhile, shelf P is outwards somewhat projected by spring S (reference picture 1a), therefore, user easily takes out shelf P.

First axle unit 310 can rotate upwardly and downwardly (hinge rotation) first arm 300 to fixed mount 100, including：First connects Relay part 311, is connected to the rotating shaft 210 of turning unit 200, is arranged at a side end 311 of the first arm 300；First from Clutch bearing 313, is arranged at the first connecting portion part 311；First axle axle 315, in first clutch bearing 313 The heart；First tie-beam 317, is inserted in first axle axle 315, is connected with the first arm 300；First brake unit (stop list Unit) 319.

The 211 of the first connecting portion part 311 and rotating shaft 210 are connected, meanwhile, be connected with a side end of the first arm 300 and The first arm 300 is set to horizontally rotate and rotate upwardly and downwardly.

It is horizontal short tube shape that there is the first connecting portion part 311 pipe to form direction, can be connected in insert injection molding mode The 211 of rotating shaft 210.

First clutch bearing 313 is arranged at the inside of the first connecting portion part 311, so as to when heavy burden acts on the first arm 300 When (for example, on shelf P during placing articles), correspond to its heavy burden prevent the first arm 300 towards heavy burden direction (lower direction) turn It is dynamic, and make the first arm 300 allow towards the rightabout (upside direction) for bearing a heavy burden to rotate.

Clutch bearing is known technology, but in order to contribute to understand the present invention action, reference picture 6a simple declaration first from The operating principle of clutch bearing 313.

First clutch bearing 313 is set in the inside of the first connecting portion part 311, at the center of first clutch bearing 313 First axle axle 315, when the stress of the first arm 300 is rotated towards the direction of arrow, the needle roller of first clutch bearing 313 are set 313a can be rotated on first axle axle 315 without any impact, therefore the first arm 300.

But, the needle roller 313a of first clutch bearing 313 presses in the opposite direction first axle axle 315 and first axle arm Can not rotate, so as to can firmly support the article for being positioned over shelf P.

First axle axle 315 is inserted into the inside of the first connecting portion part 311, shape through the center of first clutch bearing 313 Projection 311a is locked in into middle retainer 315a.

First tie-beam 317 is configured to one end and is inserted in first axle axle 315, and the other end is connected to the first arm 300 First movable frame 305.

Used as stop block, it act as follows first brake unit 319；Following power is born a heavy burden when applying is predetermined (for example, Put the heavy burden of article on the shelf) when, the first arm 300 will not be rotated (by first clutch) to heavy burden direction, and is applied Plus more than default heavy burden power (user down presses the power of the first arm for the position for adjusting shelf) when, make the first arm 300 Rotate towards heavy burden direction (downside direction).

First brake unit 319, including：More than one first disc spring 319a, is inserted into first axle axle 315, and elasticity is pressed Press the first tie-beam 317；Multiple packing ring 319b, in order to prevent abrasion first axle axle 315 is inserted in；First groove top spiral shell Female 319c, is coupled in the end of first axle axle 315.

Packing ring 319b is formed a pair, and forms the tabular surface of facing surface sliding, and packing ring is by with wearability and durability Material and make.

Packing ring 319b is mutually close to by the elastic force provided by the first disc spring 319a, meanwhile, in facing composition a structure Into slidably rotating from other compositions, plain washer is done in-between and is acted on to lower friction.

Reference picture 6b illustrates the action of the first brake unit 319.

As described above, in order to be able to fully support is placed on the weight of the article on shelf P, the first arm 300 passes through first clutch Bearing 313 can all the time upward side to rotation, but limit downside direction rotation.

User is applied more than the power of article heavy burden for the position for adjusting shelf P to the first arm 300, then by the first disc spring 319a and castellated nut 319c first axles axle 315 are extruded by the first tie-beam 317, are defined by first axle axle 315, the One arm 300 can down direction rotates together with the first tie-beam 317.

320 pairs of the first arms 300 of second hinge unit can rotate upwardly and downwardly (hinge rotation) second arm 400, including：Second connects Relay part 321, is formed at the end side of the second arm 400；Second hinge axle 325, is incorporated into the second connecting elements 321 Center；Second tie-beam 327, is inserted in second hinge axle 325, and is connected with the second arm 400；And second braking it is single Unit 329.

Second connecting portion part 321 is integrally formed at a side end of the second arm 400.

Second clutch bearing 323 is arranged at the inside of second connecting portion part 321 so that when the effect of the second arm 400 is born a heavy burden (for example, in shelf P placing articles), corresponding to its heavy burden prevents the second arm 400 from rotating towards heavy burden direction (downside direction), And allow the second arm 400 to rotate towards the rightabout (upside direction) in heavy burden direction.

Second hinge axle 325 is inserted into the inside of second connecting portion part 321, and retainer 325a formed between is locked in Projection 321a.

Second tie-beam 327 is configured to one end and is inserted in second hinge axle 325, and the other end is connected to by bolt B Two arms 400.

Second stop block 329 is configured to (put the heavy burden of article on the shelf) when applying and presetting and bear a heavy burden following power, the Two arms 400 will not be rotated towards heavy burden direction (downside direction), and (user is adjustment to apply the power of the default heavy burden above The position of shelf down presses the power of the second arm) when, the second arm 400 is rotated towards heavy burden direction (downside direction).

Second stop block 329, including：More than one second disc spring 329a, is inserted in second hinge axle 325, and elasticity adds Press the second tie-beam 327；Multiple packing ring 329b, in order to reduce abrasion second hinge axle 325 is inserted in；And the second groove top Nut 329c, is coupled in the end of second hinge axle 325.

Packing ring 329b is mutually close to by the elastic force that the first disc spring 329a is provided, meanwhile, in facing composition is constituted Slide from other compositions and rotate, plain washer effect is done in-between.

Second brake unit 329 principle same with above-mentioned first brake unit 319, therefore omit single to the second braking The explanation of the action of unit 329.

The seat joint type supports for articles of the vehicles for so constituting, as shown in Fig. 1 a and Fig. 1 b, using the first arm 300 To adjust up and down the position of shelf P with the hinge engaging structure of the second arm 400, also, can be certainly using globe joint 600 Such as adjustment angle.

Reference picture 1c, using turning unit shelf P is rotated in the horizontal direction.

During keeping, be folded in automotive seat behind side and take care of, when using the arm of unfolded using, and, even if putting The weight of placing articles and change separated by a distance, also can stably support article.

Undeclared symbol " C " is cable, is connected with article by the joint type shelf of the present invention from the inside of seat, the cable C, as shown in figure 5, can be connected with the inside of the second arm 400 by the first arm 300, but is not limited to this, can also be The groove (omitting diagram) of the surface formation energy insertion cable C of one arm 300 and the second arm 400, by the groove cable is prevented C is projected, and these methods are easily to be suitable for deformation for people in the art.

Claims (10)

1. a kind of seat of vehicles joint type supports for articles, wherein, including：

Fixed mount, is arranged at the pedestal for constituting seat；

Bonnet, is arranged at behind the seat, and the top for making the fixed mount is exposed to outside, with receiving portion；

Turning unit, is arranged at the top of the fixed mount horizontally moveablely；

First arm, one end is connected to the turning unit projected towards the top of the fixed mount by first axle unit, separately One end can above-below direction rotation；

Second arm, one end is connected to the other end of first arm by second hinge unit, and the other end rotates towards above-below direction, And fold into the first arm or launch from the first arm；And

Shelf, is connected to the other end of second arm, in placing articles below previously by globe joint.

2. the seat of the vehicles according to claim 1 joint type supports for articles, wherein,

Sticking department is further set towards the bonnet direction of the seat in first arm and/or second arm,

On the seat comprising the bonnet, the correspondence sticking department is further provided with lock cell, and the lock cell is used In state that is fixed or releasing the sticking department for being arranged in set position,

The lock cell fixes the sticking department in the state of the shelf is arranged in the inside of described accommodation section.

3. the seat of the vehicles according to claim 1 joint type supports for articles, wherein, the fixed mount passes through Outrigger and internal frame are combined into,

The outrigger, possesses：Upward the axle insertion section of side opening and court insert corresponding to the direction of the underframe with the axle Enter the joint portion of portion's connection,

The internal frame, possesses：Shaft supporting part, the opening with the correspondence axle insertion section, runs through on top towards above-below direction Axle supported hole；Coupling part, from the front side of shaft supporting part lateral bend down, covers the shape of the joint portion, with The underframe is facing,

The turning unit, possesses：The axle supported hole is run through at rotating shaft, downside position, by the shaft supporting part and the axle The support of insertion section；

More than one disc spring, from downside the rotating shaft is inserted into；

Packing ring, the rotating shaft being arranged between the bottom surface of the disc spring and the shaft supporting part；

Castellated nut, is coupled from the downside of the rotating shaft towards the direction relative with the bottom surface of the shaft supporting part.

4. the seat of the vehicles according to claim 2 joint type supports for articles, wherein, in described accommodation section shape It is further in the mounting groove into having mounting groove in order to avoid the shelf is projected into outside when being inserted in top behind the bonnet Be formed with can with folded state insert the first arm and the second arm arm insertion groove and can insert the fixed mount fixed mount it is slotting Enter groove.

5. the seat of the vehicles according to claim 4 joint type supports for articles, wherein, the sticking department is formed For steel ring or hook shape, the sticking department from fold when second arm facing with first arm surface project,

When first arm is formed with through hole and folds into second arm centered on second hinge unit for first arm The partial penetration of the facing sticking department,

The lock cell, possesses：Hook or steel ring shape fastener, are arranged in the downside of the fixed mount and the arm insertion groove The underframe of side, with the sticking department be positioned over setting position flexibly rotated and be hung in the sticking department or Release from the sticking department；Operating portion, is arranged at the seat, is connected with the fastener, is selected by using the operation of person Property ground rotate the fastener state stopped to the extension of the sticking department releasing the fastener.

6. the seat of the vehicles according to claim 1 joint type supports for articles, wherein, the globe joint structure Become the one kind in following structure；

Possess the ball installation portion with spherical part before the shelf, possess around institute in the other end of second arm State the ball receiving portion of the shape of a part for the spherical part of spherical installation portion；

Possess the ball installation portion with spherical part in the other end of second arm, possess before the shelf around institute State the ball receiving portion of the shape of a part for the spherical part of ball installation portion.

7. the seat of the vehicles according to claim 1 joint type supports for articles, wherein, the first axle list Unit, including：

Short tubular hinge installation portion, in the upper end of the rotating shaft of the upside for being projected into the fixed mount, it is water that pipe forms direction It is flat；

The first connecting portion part, it is arranged at a side end of first arm, be pipe formed direction be horizontal short tube shape, It is connected to the upper end of the rotating shaft projected towards the upside of the fixed mount；

First clutch bearing, when heavy burden acts on first arm, first arm is prevented to bearing a heavy burden towards heavy burden side To rotation, and first arm is allowed to rotate towards the rightabout in heavy burden direction；

First axle axle, through the center of the first clutch bearing；

First tie-beam, is inserted in the first axle axle, is connected with first arm；And

First brake unit, when apply it is default bear a heavy burden following power when, prevent first arm from rotating towards heavy burden direction, when applying Plus the default heavy burden above power when, it is allowed to first arm towards heavy burden direction rotate.

8. the seat of the vehicles according to claim 7 joint type supports for articles, wherein, first braking is single Unit, including：

First disc spring, is inserted in the first axle axle, the first tie-beam described in elastic pressurized；

Packing ring, is inserted in the first axle axle in case being worn；And

First castellated nut, is coupled in the first axle the tip of the axis.

9. the seat of the vehicles according to claim 1 joint type supports for articles, wherein, the second hinge list Unit, including：

Second connecting portion part, is formed at the end side of second arm；

Second hinge axle, is incorporated into the center of the second connecting portion part；

Second tie-beam, is inserted in the second hinge axle, and is connected with second arm；And

Second brake unit, when apply it is default bear a heavy burden following power when, prevent second arm from rotating towards heavy burden direction, when applying Plus the default heavy burden above power when, it is allowed to second arm towards heavy burden direction rotate.

10. the seat of the vehicles according to claim 9 joint type supports for articles, wherein, second braking Unit, including：

Second disc spring, is inserted in the second hinge axle, the second tie-beam described in elastic pressurized；

Packing ring, is inserted in the second hinge axle in case being worn；And

Second castellated nut, is coupled in the second hinge the tip of the axis.