CN208585416U - A kind of separate type backrest - Google Patents

Abstract

The utility model discloses a kind of separate type backrests, including backrest, support frame, display and small table plate, display and small table plate are separated into backrest, display is fixedly connected on the support frame using roller unit, support frame is fixedly connected with lifting device again, it is again that upper use rotating device is fixedly connected with small table plate in the bottom side of lifting device, locking device is fixedly connected on elevating lever in lifting device, zipper is fixedly connected on small table plate storage bag, it is connected using the slot of rotating device with the bolt of small table plate bottom when small table plate is not used, place plank in the inside of small table plate, need using when plank can be made to be lifted teapoy plate stretching, small table plate is set to expand use scope, solve the problems, such as that the back gradient of front-row seats on aircraft directly affects the shadow and dining of the sight of heel row.

Description

A kind of separate type backrest

Technical field

The utility model relates to a kind of daily necessities, more particularly to a kind of separate type backrest.

Background technique

Aircraft backrest rear is equipped with display and small table plate, and when front passenger tilts backwards backrest, rear passenger is shown Show that device and small table plate will tilt down, and the back gradient of front-row seats directly affects the viewing and use of heel row on aircraft Meal, display and small table plate are all stationarily connected to by back, and when use can be influenced by front passenger, and using when cannot take Lower or adjusting angle, it is inconvenient to use.

Utility model content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of separate type backrests.

To achieve the above object, the utility model provides following technical solution:

A kind of separate type backrest, including backrest, support frame, display and small table plate, backrest rear are equipped with support frame, support Frame is parallel to each other with backrest, and the upper right of support frame is equipped with display, and display is slidably connected by roller unit and support frame, Roller unit is located at the junction of support frame and display, and one end of roller unit is fixedly connected with support frame, the other end and aobvious Show that device is fixedly connected, lifting device be equipped with below support frame, lifting device is fixedly connected with support frame, lifting device be located at liter The small table plate of falling unit bottom side is rotatablely connected by rotating device, and rotating device is located at the connection of lifting device and small table plate Place.

The bottom of lifting device is fixedly connected with seat as a further improvement of the utility model, the top of lifting device Portion is fixedly connected with the side of support frame.

Roller unit includes the sphere with pillar, hemisphere groove as a further improvement of the utility model, will be with branch The sphere of column is placed among hemisphere groove, the sphere with pillar is made to be slidably connected with hemisphere groove, band branch in roller unit The leg portion of the sphere of column is fixedly connected with display rear.

Rotating device and first are equipped in the side of lifting device bottom shell as a further improvement of the utility model, Locking device, rotating device one end and small table plate are rotatablely connected, and other end lifting device is fixedly connected, and the one of the first locking device Part is fixedly connected with rotating device, and another part is fixedly connected with small table plate.

As a further improvement of the utility model, above the storage bag below small table plate be equipped with zipper, zipper with set Object bag is fixedly connected.

Rotating device includes first baffle and second baffle as a further improvement of the utility model, first baffle with Second baffle is mutually perpendicular to, and hole is equipped on the inside of the vertical right angle of the first baffle of rotating device and second baffle.

The first locking device is fixedly connected with small table plate and rotating device as a further improvement of the utility model, the One locking device is internally provided with a bolt, and slot, slot and rotating device upper surface is arranged in the upper surface of rotating device It is fixedly connected.

The plank for extending small table plate length, plank are located at small table plate as a further improvement of the utility model, Inside, and be equipped with the first traction rope and the second traction rope in the two sides of plank, small table plate two sides connect the first traction rope and the Two traction ropes, are equipped with buckle in the side of small table plate, are equipped with bayonet in plank side.

Fixed strip, one end of fixed strip and display are equipped at display rear as a further improvement of the utility model, Device connection, the other end are connect with support frame.

The second locking device, the second locking device are equipped with inside lifting device as a further improvement of the utility model, Positioned at the elevating lever position of lifting device, the second locking device is fixedly connected with elevating lever, and the second locking device be located at rise The locking key of falling unit bottom shell is electrically connected.

The beneficial effects of the utility model compared with the prior art lie in convenient, comfortably, humanized with mobility, height Effect, is beneficial to passenger experience, is that roller unit is slidably connected with display, the direction of display can be made arbitrarily to adjust, rotation Rotary device and small table plate rotation connect, and are conducive to the stability of small table plate.

Detailed description of the invention

Fig. 1 is a kind of schematic perspective view of separate type backrest.

Fig. 2 is the roller unit right view of display.

Fig. 3 is the sectional view of small table plate.

Fig. 4 is fixedly connected with perspective view with zipper for storage bag.

Fig. 5 is rotating device perspective view.

Fig. 6 is the small table plate perspective view with bolt.

Fig. 7 is lifting device structure figure.

Appended drawing reference: 1, backrest, 2, display, 3, support frame, 4, small table plate, 5, storage bag, 6, seat, 7, with pillar Sphere, 8, hemisphere groove, 9, fixed strip, 10, buckle, the 11, first traction rope, 12, bayonet, 13, plank, 14, zipper, 15, First baffle, 16, second baffle, 17, rotating device, the 18, first slot, 19, hole, 20, bolt, 21, elevating lever, 22, liter Falling unit, 24, locking key, 25, roller unit, the 26, second locking device, the 27, second traction rope.

Specific embodiment

With reference to the accompanying drawings and examples, the utility model is further described, wherein identical components phase Same appended drawing reference indicates.

Embodiment 1, shown in 7, a kind of separate type backrest of the present embodiment, including it is backrest 1, support frame 3, aobvious Show device 2 and small table plate 4,1 rear of backrest is equipped with support frame 3, and support frame 3 and backrest 1 are parallel to each other, and the upper right of support frame 3 is set There is display 2, display 2 is slidably connected by roller unit 25 with support frame 3, and roller unit 25 is located at support frame 3 and display One end of the junction of device 2, roller unit 25 is fixedly connected with support frame 3, and the other end and display 2 of roller unit 25 are fixed Connection is equipped with lifting device 22 below support frame 3, and lifting device 22 is fixedly connected with support frame 3, lifting device 22 be located at liter The small table plate 4 of 22 bottom side of falling unit is rotatablely connected, and lifting device 22 and small table plate 4 are connected using the rotation of rotating device 17, Rotating device 17 is located at the junction of lifting device 22 and small table plate 4, and lifting device 22 is fixedly connected with rotating device 17.Seat Bottom is equipped with the structure along seat both ends handrail lower end surface moving in rotation, and the sitting posture of seat is made to be lain on one's side by becoming vertically.

The bottom of a kind of separate type backrest, lifting device 22 is fixedly connected with seat 6, the top of lifting device 22 and support The right side of frame 3 is fixedly connected, and lifting device 22 is not connected with backrest 1, and lifting device 22 can drive support frame 3 will be in support frame About 2 display of right slides on 3.

A kind of separate type backrest is equipped with roller unit 25 at 2 rear of display, and roller unit 25 includes the sphere with pillar Sphere 7 with pillar is placed among hemisphere groove 8 and is slidably connected by 7 hemisphere grooves 8, ball of the roller unit 25 with pillar The leg portion of body 7 is fixedly connected with 2 rear of display, the sphere 7 in hemispheroidal groove 8 with pillar and hemisphere groove 8 when being slidably connected with certain frictional force, can make the sphere 7 with pillar will not be in hemispheroidal groove 8 because of too light Sliding and uncontrolled sliding, so as to arbitrarily change the direction of display 2.

A kind of separate type backrest is equipped with rotating device 17 and the first locking dress in the side of 22 bottom shell of lifting device It sets, rotating device 17 and small table plate 4 are rotatablely connected, the rotating device 17 equipped with 90 ° of rotating ranges, the range of rotating device 17 Region and an angle of small table plate 4, which rotate, to be connected, and the back side of rotating device 17 is fixedly connected with lifting device 22, such teapoy Plate 4 will not go to the angle that people takes less than, and efficiency can be made to greatly promote, and a part and rotating device of the first locking device 17 are fixedly connected, and another part is fixedly connected with small table plate 4.

A kind of separate type backrest, zipper 14 is equipped with above the storage bag 5 below small table plate 4, and zipper 14 and storage bag 5 are solid Fixed connection can make thing will not be caused to drop out without zipper 14 because of storage bag 5 when going to 90 ° in small table plate 4 in this way The problem come.

A kind of separate type backrest, rotating device 17 include first baffle 15 and second baffle 16, first baffle 15 and second Baffle 16 is orthogonal, and hole 19 is equipped on the inside of the vertical right angle of the first baffle of rotating device 15 and second baffle 16, It can make rotating device 17 that lifting device 22, rotating device 17 and small table plate 4 are located at straight line in this way, thus good by three It is fixedly connected, and only overturns in fixed angle small table plate 4.

A kind of separate type backrest, the first locking device are fixedly connected with small table plate 4, and the first locking device is internally provided with one A bolt 20 is equipped with the first bolt 18, the first bolt 18 in the upper surface of 0 ° of rotating device 17 and 90 ° of first baffle 15 Mouth is fixedly connected with the upper surface of first baffle 15, thus be can solve and is gone to horizontal fixation problem in small table plate 4.

A kind of separate type backrest, the plank 13 for extending 4 length of small table plate, plank 13 are located at the inside of small table plate 4, And it is equipped with the first traction rope 11 and the second traction rope 27 in the two sides of plank 13,4 two sides of small table plate connect traction rope 11 and traction Rope 28 is equipped with buckle 10 in the two sides of small table plate 4 and plank 13, can be elongated small table plate 4 when using small table plate 4 in this way, It, can be by beneath wood when drawing small table plate 4 because being equipped with the first traction rope 11 and the second traction rope 27 in the two sides of small table plate 4 Plate 13, which is drawn, arrives top, is equipped with buckle 10 in the side of small table plate 44, is equipped with bayonet 12 in plank side, reuses buckle 10 and carry out Connects bayonet socket 12 makes the use scope of small table plate 4 become larger to fixed small table plate 4 and plank 13.

A kind of separate type backrest is equipped with fixed strip 9 at 2 rear of display, and one end of fixed strip 9 is connect with display 2, separately One end is connect with support frame 3, because roller unit 25 can be lacking in terms of fixation, to use fixed strip 9 fixed, Gu Determine item 9 be made of in itself plastic cement it is deformable, so roller unit 25 change 2 direction of display be to be fixed.

A kind of separate type backrest is equipped with the second locking device 26 inside lifting device 22, and the second locking device 26, which is located at, to be risen At the elevating lever 21 of falling unit 22, the second locking device 26 is fixedly connected with elevating lever 21, and the second locking device 26 be located at The locking key 24 of 22 bottom shell of lifting device is electrically connected, because the top of lifting device 22 is fixedly connected support frame 3, The second locking device 26 is filled in lifting device 22, to prevent be using lifting device 22 because without the second locking device 26, To make lifting device 22 that can only drop to lowermost end because of overweight above, lifting can be filled 22 and set by the second locking device 26 The position of stopping can be controlled.

Above are merely preferred embodiments of the utility model, the protection scope of the utility model is not limited merely to above-mentioned Embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model, it is noted that right For those skilled in the art, several improvements and modifications without departing from the principle of the utility model, These improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (10)

1. a kind of separate type backrest, including backrest, support frame, display and small table plate, it is characterised in that: backrest rear is equipped with branch Support, support frame are parallel to each other with backrest, and the upper right of support frame is equipped with display, and display passes through roller unit and support frame It is slidably connected, roller unit is located at the junction of support frame and display, and one end of roller unit is fixedly connected with support frame, separately One end is fixedly connected with display, and lifting device is equipped with below support frame, and lifting device is fixedly connected with support frame, lifting device It is rotatablely connected with the small table plate for being located at lifting device bottom side by rotating device, rotating device is located at lifting device and teapoy The junction of plate.

2. a kind of separate type backrest according to claim 1, it is characterised in that: the bottom of lifting device and the fixed company of seat It connects, the top of lifting device is fixedly connected with the side of support frame.

3. a kind of separate type backrest according to claim 1, it is characterised in that: roller unit include the sphere with pillar, Sphere with pillar is placed among hemisphere groove by hemisphere groove, is slided the sphere with pillar and hemisphere groove and is connected It connects, the leg portion of the sphere in roller unit with pillar is fixedly connected with display rear.

4. a kind of separate type backrest according to claim 1, it is characterised in that: set in the side of lifting device bottom shell There are rotating device and rotating device side to be equipped with the first locking device, rotating device one end and small table plate are rotatablely connected, the other end Lifting device is fixedly connected, and the part of the first locking device is fixedly connected with rotating device, another part and the fixed company of small table plate It connects.

5. a kind of separate type backrest according to claim 1, it is characterised in that: set above the storage bag below small table plate There is zipper, zipper is fixedly connected with storage bag.

6. a kind of separate type backrest according to claim 4, it is characterised in that: rotating device includes first baffle and second Baffle, first baffle are mutually perpendicular to second baffle, and in the vertical right angle of the first baffle of rotating device and second baffle Side is equipped with hole.

7. a kind of separate type backrest according to claim 4, it is characterised in that: the first locking device and the fixed company of small table plate It connects, the first locking device is internally provided with a bolt, on the upper surface of rotating device setting slot, slot and rotating device End face is fixedly connected.

8. a kind of separate type backrest according to claim 1, it is characterised in that: the wood for extending small table plate length Plate, plank is located at the inside of small table plate, and is equipped with the first traction rope and the second traction rope in the two sides of plank, and small table plate two sides connect The first traction rope and the second traction rope are connect, is equipped with buckle in the side of small table plate, is equipped with bayonet in plank side.

9. a kind of separate type backrest according to claim 3, it is characterised in that: it is equipped with fixed strip at display rear, Gu The one end for determining item is connect with display, and the other end is connect with support frame.

10. a kind of separate type backrest according to claim 2, it is characterised in that: be equipped with the second locking inside lifting device Device, the second locking device are located at the elevating lever position of lifting device, and the second locking device is fixedly connected with elevating lever, and second Locking device is electrically connected with the locking key for being located at lifting device bottom shell.