CN212073802U - Backrest structure with foldable armrest frame - Google Patents

Abstract

The utility model discloses a backrest structure with a foldable handrail frame, which comprises a supporting main arm and a middle cross rod, wherein the supporting main arm is fixedly arranged at the outer side positions of the two ends of the middle cross rod, a handrail fixing frame is welded on a backrest frame through an L-shaped stop block, so the handrail fixing frame is not easy to fall off when in use, thereby having good blocking effect, when in use, the L-shaped stop block is convenient to store and fix a rotary handrail through the region of a storage groove, and the rotary handrail is stored and plays good protection effect through the blocking of a protective rubber cushion, when in storage, the rotary handrail is effectively prevented from being damaged by the blocking of the L-shaped stop block, and the rotary handrail is connected on a fixing fastener through an inner sleeve column at the inner side of a lower side handrail block, thereby being convenient to rotate when in use, and the handrail shape formed by an upper side handrail block and a lower side handrail block, so that the placement and the use are convenient.

Description

Backrest structure with foldable armrest frame

Technical Field

The utility model relates to an automobile backrest technical field specifically is a take back structure that foldable handrail frame was prepared.

Background

A so-called car seat is a seat to be seated when sitting on. The car seat can be divided into a split seat and a bench seat according to the shape, can be divided into a fixed type, a detachable type and an adjustable type according to the function, and can be divided into a single seat, a double seat and a multi-seat chair according to the number of passengers. From the earliest fixed seats, to multifunctional power-adjustable seats, there are air cushion seats, power seats, stereo seats, mental recovery seats, to electronic adjustable seats, depending on the performance of the seat. The chair is divided into a leather chair, a flannelette chair and the like according to the material. There are also seats for special objects of use, such as children's seats and racing seats.

At present, the seat mechanism on the market does not have a good armrest backrest, so that the seat mechanism is not very convenient to place, and when the seat mechanism is placed in a rotating mode, due to the fact that objects are not blocked, the problem that the armrest is damaged easily when the seat mechanism rotates is solved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a take back structure that foldable handrail frame was prepared to current seat mechanism who proposes in solving above-mentioned background does not have fine handrail back, makes not very convenient when placing, and when rotating and placing, because of not blockking the object and blockking, causes the problem that the handrail damaged easily like this in the pivoted.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a take back structure that foldable handrail frame was prepared, includes support main arm and middle horizontal pole, support the main arm installation and fix on the both ends outside position of middle horizontal pole, the upper end of supporting the main arm is provided with the swing joint accessory, the upper end of swing joint accessory is provided with the back frame, the inboard of back frame is provided with inside recess, the inboard that inside recess is located is provided with inboard spacer bar on the back frame, the lower extreme outside of back frame is provided with the fixed frame of handrail, the outside of the fixed frame of handrail is provided with rotates the handrail, the lower extreme of rotating the handrail is provided with fixed fastener, it fixes on the back frame through fixed fastener activity to rotate the handrail.

Preferably, the fixed frame of handrail includes L type dog, deposits recess and protection cushion, the inboard of L type dog is provided with deposits the recess, the inboard of depositing the recess is located L type dog and is provided with the protection cushion, L type dog is connected on the back frame.

Preferably, the fixing fastener comprises a fixing screw, a concave shell and a fixing groove, the fixing groove is arranged in the concave shell, the fixing screw is arranged on the concave shell on the inner side of the fixing groove, and the concave shell is connected to the backrest frame.

Preferably, the rotary armrest comprises an upper armrest block, a lower armrest block and an inner sleeve column, the upper armrest block is arranged at the upper end of the lower armrest block, the inner sleeve column is arranged in the middle of the lower end of the lower armrest block, and the lower armrest block is connected to the fixing fastener.

Preferably, the armrest fixing frames are arranged in two numbers, and the armrest fixing frames are symmetrically fixed on the outer sides of the two ends of the backrest frame.

Preferably, the number of the inner side separating rods is three, and the inner side separating rods are welded and fixed at the middle position of the inner side of the backrest frame at equal intervals.

Preferably, the main supporting arm and the middle cross bar are fixedly connected through sleeving, and the outer sides of the joints of the main supporting arm and the middle cross bar are positioned on the same straight line.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the rotary armrest is convenient to fixedly block by arranging the armrest fixing frame structure, the armrest fixing frame is connected to the backrest frame through the L-shaped stop block in a welding mode, and therefore the rotary armrest is not prone to falling off when in use, so that a good blocking effect is achieved, when in use, the L-shaped stop block enables the rotary armrest to be convenient to store and fix through the area of the storage groove, when in storage, the rotary armrest is prevented from being damaged due to rotation through the blocking of the protective rubber cushion, and when the rotary armrest is stored, the rotary armrest is prevented from rotating and being damaged due to the blocking of the L-shaped stop block;

(2) the handrail structure is rotated to enable the handrail to be used conveniently, the rotating handrail is connected to the fixing fastener through the inner sleeve column on the inner side of the lower handrail block, so that the handrail is convenient to rotate when in use, and the handrail shape formed by the upper handrail block and the lower handrail block is convenient to place and use.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the handrail fixing frame of the present invention;

FIG. 3 is a schematic view of the fixing fastener of the present invention;

fig. 4 is a schematic view of the structure of the rotary armrest of the present invention.

In the figure: 1. a backrest frame; 2. rotating the armrest; 21. an upper side armrest block; 22. a lower armrest block; 23. an inner sleeve column; 3. a handrail fixing frame; 31. an L-shaped stop block; 32. a storage recess; 33. a protective rubber pad; 4. fixing a fastener; 41. a set screw; 42. a concave housing; 43. fixing the groove; 5. an inner groove; 6. a movable connection fitting; 7. supporting a main arm; 8. a middle cross bar; 9. an inboard spacer bar.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides an embodiment: a backrest structure with a foldable armrest frame comprises a main supporting arm 7 and a middle cross rod 8, wherein the main supporting arm 7 is fixedly installed at the outer side positions of two ends of the middle cross rod 8, the main supporting arm 7 and the middle cross rod 8 are fixedly connected through sleeving, the outer sides of the joints of the main supporting arm 7 and the middle cross rod 8 are positioned on the same straight line, the upper end of the main supporting arm 7 is provided with a movable connecting fitting 6, the upper end of the movable connecting fitting 6 is provided with a backrest frame 1, the inner side of the backrest frame 1 is provided with an inner groove 5, the inner side of the inner groove 5 is positioned on the backrest frame 1 and is provided with inner side separating rods 9, the number of the inner side separating rods 9 is three, the inner side separating rods 9 are welded and fixed at the middle position of the inner side of the backrest frame 1 at equal intervals, and;

the armrest fixing frame 3 comprises an L-shaped stop block 31, a storage groove 32 and a protective rubber mat 33, the storage groove 32 is arranged on the inner side of the L-shaped stop block 31, the protective rubber mat 33 is arranged on the L-shaped stop block 31 on the inner side of the storage groove 32, and the L-shaped stop block 31 is connected to the backrest frame 1;

specifically, as shown in fig. 1 and fig. 2, when the mechanism is used, firstly, the L-shaped stopper 31 is welded on the backrest frame 1, so that the L-shaped stopper is not easy to fall off when in use, thereby having a good blocking effect, when in use, the L-shaped stopper 31 is convenient to store a fixed object through the area of the storage groove 32, and when in storage, the object is blocked by the protective rubber pad 33, thereby having a good protection effect, and when the rotating object is stored, the rotating object is effectively prevented from being damaged by rotation through the blocking of the L-shaped stopper 31;

the outer side of the handrail fixing frame 3 is provided with two rotating handrails 2, and the handrail fixing frames 3 are symmetrically fixed on the outer sides of two ends of the backrest frame 1;

the rotary handrail 2 comprises an upper handrail block 21, a lower handrail block 22 and an inner sleeve column 23, the upper handrail block 21 is arranged at the upper end of the lower handrail block 22, the inner sleeve column 23 is arranged in the middle of the lower end of the lower handrail block 22, and the lower handrail block 22 is connected to the fixed fastener 4;

specifically, as shown in fig. 1 and 4, when the mechanism is used, first, the inner sleeve column 23 inside the lower handrail block 22 is connected to the fixing fastener 4 so as to be convenient to rotate when in use, and the handrail shape formed by the upper handrail block 21 and the lower handrail block 22 is convenient to place and use;

the lower end of the rotating armrest 2 is provided with a fixed fastener 4, and the rotating armrest 2 is movably fixed on the backrest frame 1 through the fixed fastener 4;

the fixing fastener 4 comprises a fixing screw 41, a concave shell 42 and a fixing groove 43, the fixing groove 43 is arranged in the concave shell 42, the fixing screw 41 is arranged on the concave shell 42 at the inner side of the fixing groove 43, and the concave shell 42 is connected to the backrest frame 1;

specifically, as shown in fig. 1 and 3, when the mechanism is used, first, the fixing groove 43 on the inner side of the concave housing 42 is connected to the back frame 1, so that the fixing and installation are facilitated, and the fixing screw 41 is positioned, so that the fixing screw is not easy to fall off and loosen when the mechanism is used.

The working principle is as follows: the utility model discloses when using, just can fix the support main arm 7 at 8 both ends of middle horizontal pole and use on the assigned position. When in use, the backrest frame 1 passes through the inner side separation rod 9 in the inner groove 5, so that a good blocking effect is achieved, and the backrest is convenient for people to use. When the hand of a person is needed to be placed, the hand can be conveniently taken for use by rotating the handrail 2, the rotating handrail 2 is composed of the upper handrail block 21, the lower handrail block 22 and the inner sleeve column 23, and the fixing groove 43 on the inner side of the concave shell 42 is connected to the backrest frame 1 during installation, so that the handrail is convenient to fix and install and is not easy to fall off and loosen during use through the positioning of the fixing screw 41. And when accomodating, play fine stopping and fixed action through the fixed frame 3 of handrail, the fixed frame 3 of handrail is through L type dog 31, deposit recess 32 and protection cushion 33 and constitute, when fixed, through L type dog 31 welded connection on back frame 1, be difficult for droing when using like this, thereby have fine effect of stopping, during the use, L type dog 31 is through the region of depositing recess 32, make and be convenient for deposit fixed object, and the object is when depositing, through the blockking of protection cushion 33, play fine guard action like this.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (7)

1. The utility model provides a take back structure that foldable handrail frame was prepared, includes support main arm (7) and middle horizontal pole (8), its characterized in that: the utility model discloses a chair backrest, it is characterized in that support main arm (7) installation is fixed on the both ends outside position of middle horizontal pole (8), the upper end of supporting main arm (7) is provided with swing joint accessory (6), the upper end of swing joint accessory (6) is provided with back frame (1), the inboard of back frame (1) is provided with inside recess (5), the inboard of inside recess (5) is located back frame (1) and is provided with inboard spacer bar (9), the lower extreme outside of back frame (1) is provided with the fixed frame of handrail (3), the outside of the fixed frame of handrail (3) is provided with rotates handrail (2), the lower extreme that rotates handrail (2) is provided with fixed fastener (4), it fixes on back frame (1) through fixed fastener (4) activity to rotate handrail (2).

2. A back rest structure with foldable armrest frame as claimed in claim 1, wherein: the fixed frame of handrail (3) include L type dog (31), deposit recess (32) and protection cushion (33), the inboard of L type dog (31) is provided with deposits recess (32), the inboard that deposits recess (32) is located L type dog (31) and is provided with protection cushion (33), L type dog (31) are connected on back frame (1).

3. A back rest structure with foldable armrest frame as claimed in claim 1, wherein: fixing fastener (4) include set screw (41), concave type shell (42) and fixed recess (43), the inside of concave type shell (42) is provided with fixed recess (43), the inboard of fixed recess (43) is located concave type shell (42) and is provided with set screw (41), concave type shell (42) are connected on back frame (1).

4. A back rest structure with foldable armrest frame as claimed in claim 1, wherein: the rotary armrest (2) comprises an upper armrest block (21), a lower armrest block (22) and an inner sleeve column (23), the upper end of the lower armrest block (22) is provided with the upper armrest block (21), the inner sleeve column (23) is arranged in the middle of the lower end of the lower armrest block (22), and the lower armrest block (22) is connected to the fixed fastener (4).

5. A back rest structure with foldable armrest frame as claimed in claim 1, wherein: the armrest fixing frames (3) are arranged in two, and the armrest fixing frames (3) are symmetrically fixed on the outer sides of the two ends of the backrest frame (1).

6. A back rest structure with foldable armrest frame as claimed in claim 1, wherein: the number of the inner side separating rods (9) is three, and the inner side separating rods (9) are welded and fixed at the middle position of the inner side of the backrest frame (1) at equal intervals.

7. A back rest structure with foldable armrest frame as claimed in claim 1, wherein: the supporting main arm (7) and the middle cross rod (8) are fixedly connected through sleeving, and the outer sides of the connecting positions of the supporting main arm (7) and the middle cross rod (8) are positioned on the same straight line.

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