CN218185964U - Backrest for seat processing - Google Patents

Abstract

A backrest for processing a seat is used for solving the problem that in the prior art mentioned in the background art, a headrest on the backrest of the seat cannot be adjusted to be away from the backrest, so that a user is in an uncomfortable state during use. The method comprises the following steps: the backrest is simple in structure and mainly used for adapting to habits of different users on using the seat backrest.

Description

Backrest for seat processing

Technical Field

The utility model relates to a seat processing technology field, concretely relates to back of seat processing usefulness.

Background

Seat backs have become more mature in the market, but most improvements in the market have been made to the back primarily in terms of the aesthetic appearance and shape, thereby ignoring the need for user friendliness and some comfort.

In practical application, firstly, the backrest of many seats does not have a headrest, so that a user feels uncomfortable during long-term use, and even though the backrest of some seats is provided with the headrest, the position of the headrest is fixed relative to the backrest and cannot be adjusted, so that the backrest cannot adapt to the use of people with different heights and use habits.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, the utility model is to provide a back of seat processing usefulness for the back cushion position relatively fixed of back on solving the current seat that mentions in the background art, and can not adjust, thereby can not adapt to the people's of different heights and use custom use.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a backrest for use in seat processing, comprising: back, lead screw, threaded sleeve and back cushion, the perpendicular fixed mounting in one end of lead screw is on the back, threaded sleeve is from the other end and the lead screw threaded connection of lead screw, the back cushion is kept away from the one end fixed connection of back with threaded sleeve, it has the cavity to open in the back, and the storage box that can pull out the cavity is located to slide in this cavity.

The working principle is as follows: when the user uses the technical scheme,

firstly, a user installs a backrest on a seat, when leaning against the backrest, the user rotates a threaded sleeve fixed on the backrest to a screw rod on the backrest, and according to the use habit of the user, the threaded sleeve rotates to a certain height to control the height of the backrest and the height of the headrest to be adjusted.

Then, the user can use the containing box which is arranged in the cavity to slide and can pull the cavity through the cavity arranged in the backrest.

The utility model has the advantages that:

the user of service installs the back on the seat, with the fixed back of accomplishing, the user of service will fix the screw rod precession of the screw sleeve alignment on the back, knows that the interval between back cushion and the back is in the suitable state of user of service to user of service lies and uses on the back, and the crowd that this kind of mode can adapt to different heights uses, thereby has improved different use crowd's variety.

The utility model discloses further set up to: be equipped with the spout on the inner wall of back cavity, the back is close to the top both sides and opens respectively has a first draw-in groove, sliding connection of containing box just can follow roll-off in the spout, the apron is equipped with at the containing box top, fixed mounting has the hand (hold) on the apron, and at the equal fixedly connected with installation piece in the both sides of apron, the installation piece is fixed with vertical picture peg, the both sides that the containing box is close to the top are fixed with the connecting block respectively, it has the second draw-in groove to open on the connecting block, and two picture pegs can be respectively the one-to-one and two second draw-in groove joints, the fourth pivot is equipped with on the connecting block, fixed peg graft pole in the fourth pivot, two peg poles are used for rotating and the one-to-one joint is two along with two fourth pivots respectively in the first draw-in the groove.

Through adopting above-mentioned technical scheme, when setting up the spout on the back inner wall, establish the apron at the containing box top and install the installation piece in the apron both sides, and be close to the both sides of advancing the containing box top and be fixed with two connecting blocks respectively, when the user uses, at first take out the peg graft pole through the rotation of fourth pivot with the fixed connecting block in containing box top both sides, then slide out whole containing box from the spout that sets up on the back inner wall through the hand (hold), later extract the installation piece of apron both sides from two connecting blocks through the picture peg, thereby open the containing box and put the thing and use.

The utility model discloses further set up to: the backrest is characterized in that a first rotating shaft is fixedly connected to the bottom of the backrest, a plurality of inserting holes are formed in the first rotating shaft, the inserting holes are evenly distributed by taking the axis of the first rotating shaft as the center, connecting lines among the inserting holes are located on the same circumference, the first rotating shaft is rotatably connected with a mounting plate, a screw rod is connected to the mounting plate in a threaded mode, and the screw rod can be inserted into any inserting hole.

By adopting the technical scheme, when the backrest is fixedly connected with the first rotating shaft and is rotationally connected with the mounting plate, the backrest can be backwards adjusted to a certain inclination degree, certain comfort is ensured, and the plurality of inserting holes are formed in the first rotating shaft; and establish the screw rod in the mounting panel and can peg graft arbitrary spliced eye on the first pivot, and can control the angle that the back inclines backward, let user of service carry out the regulation of one-to-one to the use angle of oneself, this kind of mode lets user of service have self regulation to self comfort level, more humanized.

The utility model discloses further set up to: the top of the mounting plate is fixed with a vertical spring, and a bolt vertically penetrates through the spring and penetrates through the mounting plate to be in threaded connection with the mounting plate.

Through adopting above-mentioned technical scheme, sitting on the bench, when the bench of sitting of simplicity is sitting for a long time, can let the user of service be in uncomfortable state, the spring that sets up this moment can carry out certain rocking to the health when the user uses, can not let the user of service be in stiff state for a long time to certain travelling comfort has been improved.

The utility model discloses further set up to: the backrest is characterized in that a first fixing block is installed on the backrest, a third rotating shaft penetrates through the first fixing block and can rotate relative to the first fixing block, a connecting rod is fixedly connected to the third rotating shaft, the armrest further comprises a second fixing block, the second fixing block is fixed to the armrest, a second rotating shaft is rotatably connected to the second fixing block, and the other end of the connecting rod is fixedly connected to the second rotating shaft.

Through adopting above-mentioned technical scheme, through setting up the fixed block on the back and the fixed block on the handrail, all rotate on two fixed blocks and connect and be equipped with second pivot, third pivot, then carry out fixed connection with the tip at connecting rod both ends and pivot for the handrail can carry out different angle modulation, has adapted to different user of service's big or small problem simultaneously, lets the masses of using more extensive.

The utility model discloses further set up to: the handrail is of a cavity structure, a shifting block capable of sliding along the cavity is arranged in the cavity of the handrail in a sliding mode, a long strip-shaped hole along the long edge direction of the handrail is formed in the bottom of the handrail, the shifting block penetrates through the long strip-shaped hole and extends out of the cavity of the handrail, the shifting block can slide along the long strip-shaped hole, and a push plate fixedly connected with the shifting block is arranged in the cavity of the handrail in a sliding mode.

Through adopting above-mentioned technical scheme, this handrail is inside to be the cavity, and the slip shifting block that sets up in the handrail cavity can be followed rectangular shape hole and slided and release the push pedal, and the convenience is carried out the operation at the user of service person's needs movable plate of carrying on anytime and anywhere, provides user of service person's office efficiency.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the armrest of fig. 1.

Fig. 3 is an enlarged schematic view of a structure in fig. 1.

Description of reference numerals: first pivot 1, back 2, spout 3, containing box 4, first draw-in groove 5, hand (hold) 6, fourth pivot 7, connecting block 8, lead screw 9, threaded sleeve 10, back cushion 11, spring 12, bolt 13, screw rod 14, first fixed block 15, second fixed block 16, connecting rod 17, second pivot 18, third pivot 19, picture peg 20, installation piece 21, apron 22, mounting panel 23, spliced eye 24, handrail 25, shifting block 26, rectangular shape hole 27, push pedal 28, second draw-in groove 29, spliced pole 30, first fixing bolt 31, second fixing bolt 32.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

As shown in fig. 1, a back that seat processing was used, including back 2, lead screw 9, threaded sleeve 10 and back cushion 11, the perpendicular fixed mounting in back 2 of one end of lead screw 9, threaded sleeve 10 is from the other end and the lead screw 9 threaded connection of lead screw 9, back cushion 11 and threaded sleeve 10 keep away from the one end fixed connection of back 2, it has the cavity to open in back 2, and the storage box 4 that can pull out the cavity is located to sliding in this cavity, when having made things convenient for different height crowds to use backrest, can also carry out one to the article that the user carried with oneself and accomodate the arrangement, make full use of the space.

As shown in fig. 1, be equipped with spout 3 on the inner wall of 2 cavitys of back, back 2 is close to top both sides and opens respectively has a first draw-in groove 5, 4 sliding connection of containing box just can follow the roll-off in the spout 3, apron 22 is equipped with at 4 tops of containing box, fixed mounting has hand (hold) 6 on the apron 22, and at the equal fixedly connected with installing block 21 in the both sides of apron 22, installing block 21 is fixed with vertical picture peg 20, the both sides that containing box 4 is close to the top are fixed with connecting block 8 respectively, it has second draw-in groove 29 to open on connecting block 8, and two picture pegs 20 can be respectively the one-to-one with two second draw-in grooves 29 joints, fourth pivot 7 is equipped with on the connecting block 8, fixed peg rod 30 on the fourth pivot 7, two peg rod 30 are used for rotating along with two fourth pivots 7 respectively and the one-to-one joint is two in first draw-in groove 5, not only taken into consideration of containing box 4 when designing containing box 4 and put the problem, also can fix containing box 4 simultaneously.

As shown in fig. 1, the bottom of the backrest 2 is fixedly connected with a first rotating shaft 1, the first rotating shaft 1 is provided with a plurality of inserting holes 24, the inserting holes 24 are uniformly distributed by taking the axis of the first rotating shaft 1 as the center, connecting lines among the inserting holes 24 are positioned on the same circumference, the first rotating shaft 1 is rotatably connected with a mounting plate 23, a screw 14 is connected with the mounting plate 23 in a threaded manner, the screw 14 can be inserted into any inserting hole 24, the independence of a user is greatly improved by the mode, the user can adjust the angle through the inserting holes 24, and a pillow 11 on the backrest 2 is matched with the angle and is used simultaneously.

As shown in fig. 1, a vertical spring 12 is fixed on the top of the mounting plate 23, a bolt 13 vertically penetrates through the spring 12, the bolt 13 penetrates through the mounting plate 23 and is in threaded connection with the mounting plate 23, and the comfort of a user is further improved by the connection mode.

As shown in fig. 1, a first fixing block 15 is installed on the backrest 2, a third rotating shaft 19 penetrates through the first fixing block 15, the first rotating shaft and the third rotating shaft can rotate relatively, a first fixing bolt 31 in threaded connection with the third rotating shaft 19 penetrates through the third rotating shaft 19, the first fixing bolt 31 is used for abutting a screwed top cap against the first fixing block 15, a connecting rod 17 is fixedly connected to the third rotating shaft 19, the armrest 25 is fixedly provided with a second fixing block 16, the second fixing block 16 is rotatably connected to the second rotating shaft 18, a second fixing bolt 32 in threaded connection with the second rotating shaft 18 penetrates through the second rotating shaft 18, the second fixing bolt 32 is used for abutting a screwed top cap against the second fixing block 16, the other end of the connecting rod 17 is fixedly connected to the second rotating shaft 18, and a certain inclination angle can be formed by the angle of the armrest 25 along with the angle of the backrest 2 of a user.

As shown in fig. 1, the armrest 25 is a cavity structure, a shifting block 26 capable of sliding along the cavity is slidably disposed in the cavity of the armrest 25, a strip-shaped hole 27 along the long edge of the armrest 25 is formed in the bottom of the armrest 25, the shifting block 26 penetrates through the strip-shaped hole 27 and extends out of the cavity of the armrest 25, the shifting block 26 can slide along the strip-shaped hole 27, a push plate 28 fixedly connected with the shifting block 26 is slidably disposed in the cavity of the armrest 25, and a temporary office board can be made for a user through the push plate 28 pulled out by the shifting block 26, so that the office efficiency is increased.

The working principle is as follows:

by adopting the technical scheme, when the backrest needs to be used,

first, a user mounts the backrest 2 on the seat.

Then, the user sits on the seat and lies on the backrest 2, and the user can unscrew the screw rod 14 as required, push the backrest 2 to a certain backward inclination angle, and then plug the screw rod 14 into any plug hole 24.

Then, the armrest 25 can be adjusted to be matched with the inclination angle corresponding to the backrest 2 through the rotation of the second rotating shaft 18 and the third rotating shaft 19, and the push plate 28 fixed on the shifting block 26 is pushed out through the horizontal movement of the shifting block 26 along the elongated hole 27 of the shifting block when the armrest 25 is adjusted, so that office use can be carried out at any time.

Secondly, when a user feels that the neck is uncomfortable and needs to adjust, the user aligns the threaded sleeve 10 fixed on the back cushion 11 with the screw rod 9 on the back cushion 2 to perform precession, rotates to a certain height according to the use habit of the user, and controls the heights of the back cushion 2 and the back cushion 11 to adjust for use.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (6)

1. A back that seat processing was used which characterized in that: including back (2), lead screw (9), threaded sleeve (10) and back cushion (11), the perpendicular fixed mounting in one end of lead screw (9) is on back (2), threaded sleeve (10) are from the other end and lead screw (9) threaded connection of lead screw (9), the one end fixed connection of back (2) is kept away from with threaded sleeve (10) back cushion (11), it has the cavity to open in back (2), but slides in this cavity and locates storage box (4) of a pull out cavity.

2. The backrest for seat processing according to claim 1, wherein: be equipped with on the inner wall of back (2) cavity spout (3), back (2) are close to the top both sides and open respectively and have one first draw-in groove (5), sliding connection just can follow spout (3) interior roll-off in storage box (4) sliding connection spout (3), storage box (4) top is equipped with apron (22), fixed mounting has hand (hold) (6) on apron (22), and at the equal fixedly connected with installation piece (21) in both sides of apron (22), installation piece (21) are fixed with vertical picture peg (20), both sides that storage box (4) are close to the top are fixed with connecting block (8) respectively, it has second draw-in groove (29) to open on connecting block (8), and joint is equipped with on two second draw-in grooves (29) can be corresponding one by one respectively for two picture peg (20), fourth pivot (7), fixed picture peg (30) on fourth pivot (7), two picture peg (30) are used for rotating and one-to-on-to-correspond joint two along with two fourth pivot (7) respectively in first draw-in first (5).

3. The backrest for seat processing according to claim 1, wherein: the backrest is characterized in that a first rotating shaft (1) is fixedly connected to the bottom of the backrest (2), a plurality of inserting holes (24) are formed in the first rotating shaft (1), the plurality of inserting holes (24) are evenly distributed by taking the axis of the first rotating shaft (1) as the center, connecting lines among the plurality of inserting holes (24) are located on the same circumference, the first rotating shaft (1) is rotatably connected with a mounting plate (23), a screw rod (14) is connected with the mounting plate (23) through threads, and the screw rod (14) can be inserted into any one of the inserting holes (24).

4. A backrest for seat processing according to claim 3, wherein: the top of the mounting plate (23) is fixed with a vertical spring (12), a bolt (13) vertically penetrates through the spring (12), and the bolt (13) penetrates through the mounting plate (23) and is in threaded connection with the mounting plate (23).

5. A seat back for use in the process of manufacturing a seat as claimed in claim 1, wherein: install first fixed block (15) on back (2), but wear to be equipped with third pivot (19) and both relative rotations on first fixed block (15), fixedly connected with connecting rod (17) on third pivot (19), still include handrail (25), be fixed with second fixed block (16) on handrail (25), rotate on second fixed block (16) and connect second pivot (18), connecting rod (17) the other end with fixed connection is gone up in second pivot (18).

6. The backrest for seat processing according to claim 5, wherein: handrail (25) are the cavity structure, and it can follow gliding shifting block (26) of cavity to slide to be equipped with in the cavity of this handrail (25), and open handrail (25) bottom has one long bar-shaped hole (27) along the long limit trend of handrail (25), outside the cavity that handrail (25) were stretched out in shifting block (26) through long bar-shaped hole (27), and shifting block (26) can slide along long bar-shaped hole (27), slide in the cavity of handrail (25) and be equipped with push pedal (28) with shifting block (26) fixed connection.

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