CN202681215U - Backrest component of chairs - Google Patents

Abstract

The utility model discloses a backrest assembly of a chair. The backrest assembly includes a wooden or plastic backrest cushion, a U-shaped backrest tube connected to the leg tubes, and two fixing seats for fixing the backrest cushion on the backrest tube, and the fixing seats include a receiving part and a fixing part The receiving part is provided with a receiving groove, the fixing part is provided with a receiving groove, the left and right ends of the backrest cushion are respectively fixed and accommodated in the accommodation grooves of the two fixing seats, and the left and right sides of the back pipe are respectively fixed and accommodated in the two In the receiving groove of the fixed seat. The backrest assembly can conveniently and quickly complete the assembly of the backrest cushion by using the two fixing seats, therefore, the backrest assembly has the advantage of convenient assembly. The back cushion is connected to the middle of the second pipe section and the third pipe section. The first pipe section can be easily grasped by the user to move the chair. At the same time, the first pipe section can also be in contact with the back of the human body, increasing the backrest assembly. contact area for improved comfort.

Description

Backrest assembly of a chair

technical field

The utility model relates to a backrest assembly of a chair.

Background technique

Chair is a kind of furniture commonly used in daily life, and provides people with a rest in family, office, restaurant or other places. A chair usually includes two front legs, two rear legs, a cushion and a backrest. The seat cushion is connected between the two front legs and the two rear legs; the backrest is usually integrally injection-molded by plastic material, and two sides of the backrest are respectively provided with sleeve holes, and the sleeve holes are directly sleeved on the front On the leg or the rear leg, utilize screw to lock it on the described front leg or the rear leg.

The backrest is integrally injection-molded by plastic material, which is easy to form. But, for the backrest of wooden material, because its plasticity is poor, it is impossible to form the socket hole that is socketed with front leg or rear leg by the mode of injection molding. Therefore, for wooden backrests, assembly is inconvenient.

Utility model content

The utility model provides a backrest assembly of a chair which can be easily assembled, which overcomes the disadvantages of the background technology. The technical scheme that the utility model solves its technical problem adopts is:

A backrest assembly of a chair, including a wooden or plastic backrest cushion, a U-shaped backrest tube connected to a leg tube, and two fixing seats for fixing the backrest cushion on the backrest tube. part and a fixing part, the receiving part is provided with a receiving groove, the fixing part is provided with a receiving groove, the left and right ends of the backrest cushion are respectively fixed and accommodated in the receiving grooves of the two fixing seats, and the left and right sides of the backrest tube are respectively fixed It is accommodated in the receiving grooves of the two fixing seats.

In a preferred embodiment: the back cushion is made of solid wood or bent wood or imitation wood.

In a preferred embodiment: the middle part of the back cushion is provided with several through holes.

In a preferred embodiment: the accommodating portion is locked with the backrest pad through screws, and the fixing portion is locked with the back tube through screws.

In a preferred embodiment: the backrest pipe includes a first pipe section, a second pipe section and a third pipe section, the second pipe section and the third pipe section are respectively connected to both ends of the first pipe section, the backrest cushion is connected to the The middle part between the second pipe section and the third pipe section.

In a preferred embodiment: the connection between the second pipe section and the first pipe section, and the connection between the third pipe section and the first pipe section are all transition-connected by arc pipe sections.

In a preferred embodiment: the width between the two arc-shaped pipe sections is greater than the width between the second pipe section and the third pipe section.

Compared with the background technology, this technical solution has the following advantages:

1. The left and right ends of the backrest cushion are respectively fixedly accommodated in the receiving grooves of the two fixing seats, and the left and right sides of the back pipe are respectively fixed and accommodated in the receiving grooves of the two fixing seats. The backrest assembly utilizes the two fixing seats The assembly of the backrest pad can be completed conveniently and quickly, therefore, the backrest assembly has the advantage of convenient assembly.

2. The back cushion is made of solid wood or bent wood or imitation wood, which is noble and atmospheric.

3. The middle part of the backrest cushion is provided with a number of through holes, which are convenient for ventilation and improve the comfort of the backrest assembly.

4. The accommodating part is locked with the backrest pad by screws, and the fixing part is locked with the backrest tube by screws, which not only assembles quickly, but also is very firmly combined.

5. The backrest pad is connected to the middle of the second pipe section and the third pipe section, and the first pipe section can serve as a handle to facilitate the user to move the chair. At the same time, the first pipe section can also be in contact with the backrest of the human body, increasing the contact area of the backrest assembly, thereby improving comfort.

6. The connection between the second pipe section and the first pipe section, and the connection between the third pipe section and the first pipe section are all transitionally connected by arc-shaped pipe sections to highlight the atmosphere.

Description of drawings

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

Fig. 1 depicts an overall schematic diagram of a chair installed with a backrest assembly of a chair of the present invention.

FIG. 2 is a schematic side view of the chair shown in FIG. 1 .

FIG. 3 is a three-dimensional exploded view of the backrest assembly of the chair shown in FIG. 1 .

FIG. 4 is a schematic cross-sectional view of line A-A in FIG. 1 .

Detailed ways

Please refer to FIG. 1 , which shows an overall schematic diagram of a chair installed with a backrest assembly of a chair of the present invention. The chair 100 includes two front leg tubes 10 , two rear leg tubes 20 , a seat board 30 and a backrest assembly 40 . The upper positions of the two front leg tubes 10 are pivotally connected with the middle positions of the opposite side edges of the seat plate 30 respectively; Pivot connection; the top positions of the two rear leg tubes 20 are pivotally connected with the top positions of the two front leg tubes 10 respectively;

Please refer to FIG. 2 , the backrest assembly 40 , the front leg tube 10 , and the rear leg tube 30 are generally Y-shaped in side view.

Please refer to FIG. 3 , the backrest assembly 40 includes a backrest pad 42 , a backrest tube 44 and two fixing seats 46 .

The back cushion 42 is made of wood materials such as solid wood or bent wood or imitation wood. The back cushion 42 can also be made of plastic material. The backrest pad 42 has a slightly curved rectangular plate structure, and a plurality of through holes 422 for ventilation are provided in the middle.

The back pipe 44 is U-shaped. The backrest pipe 44 includes a first pipe section 442 , a second pipe section 444 and a third pipe section 446 . The second pipe section 444 and the third pipe section 446 are respectively connected to two ends of the first pipe section 442 . The connection between the second pipe section 444 and the first pipe section 442 and the connection between the third pipe section 446 and the first pipe section 442 are all transitionally connected by an arc-shaped pipe section 448 . The width between the two arc-shaped pipe sections 448 is greater than the width between the second pipe section 444 and the third pipe section 446 .

Please refer to FIG. 3 and FIG. 4 , the two fixing portions 46 are used to fix the backrest pad 42 on the backrest tube 44 . The fixing seat 46 includes a receiving portion 462 and a fixing portion 464 . The receiving portion 462 is U-shaped, and a receiving groove 4622 is defined corresponding to the backrest pad 42 . The fixing portion is in a semicircular arc shape, and a receiving groove 4642 is provided corresponding to the backrest tube 44 .

The left and right ends of the backrest pad 42 are respectively fixedly accommodated in the receiving grooves 4622 of the two fixing seats 46; the second pipe section 444 and the third pipe section 446 are respectively fixed and accommodated in the receiving grooves 4642 of the two fixing seats 46; The accommodating part 462 is connected to the backrest pad 42 by screws; the fixing part 464 is connected to the backrest tube 44 by screws;

Please refer to Fig. 1 and Fig. 2, the second pipe section 444 is connected with the top of the front leg pipe 10 and the rear leg pipe 20; the third pipe section 446 is connected with the top of the front leg pipe 10 and the rear leg pipe 20 connect.

It can be understood that the second pipe section 444 and the third pipe section 446 can also be directly integrally formed with the front leg pipe 10; A fixed connection can also be achieved by means of an adhesive.

The above is only a preferred embodiment of the utility model, so the scope of implementation of the utility model cannot be limited accordingly, that is, equivalent changes and modifications made according to the patent scope of the utility model and the contents of the specification should still belong to this utility model. within the scope of utility models.

Claims (7)

1. A backrest assembly of a chair is characterized in that it comprises a wooden or plastic backrest pad, a U-shaped backrest tube connected to the leg tubes and two fixing seats for the backrest pad to be fixedly arranged on the backrest tube , the fixing seat includes a receiving part and a fixing part, the receiving part is provided with a receiving groove, the fixing part is provided with a receiving groove, the left and right ends of the backrest pad are respectively fixed and accommodated in the receiving grooves of the two fixing seats, the back tube The left and right sides of the two fixed seats are respectively fixedly accommodated in the receiving grooves of the two fixing seats. 2. The backrest assembly of a chair according to claim 1, wherein the backrest pad is made of solid wood, bent wood or imitation wood. 3 . The backrest assembly of a chair according to claim 1 , wherein a plurality of through holes are provided in the middle of the backrest pad. 4 . 4 . The backrest assembly of a chair according to claim 1 , wherein the receiving portion is locked with the backrest pad by screws, and the fixing portion is locked with the backrest tube by screws. 5. The backrest assembly of a chair according to any one of claims 1 to 4, wherein the backrest pipe comprises a first pipe section, a second pipe section and a third pipe section, the second pipe section and the third pipe section Pipe sections are respectively connected to both ends of the first pipe section, and the back cushion is connected to the middle of the second pipe section and the third pipe section. 6. The backrest assembly of a chair according to claim 5, wherein the connection between the second pipe section and the first pipe section, and the connection between the third pipe section and the first pipe section are all made of arc-shaped pipe sections Transition connection. 7. The backrest assembly of a chair according to claim 6, wherein the width between the two arc-shaped pipe sections is greater than the width between the second pipe section and the third pipe section.

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