TWM632256U - Combination structure of table and chair components - Google Patents

Abstract

A table and chair component combination structure includes a foot column, a cross bar and a connecting piece, the foot column and the cross bar are connected vertically to each other, and a first groove and a second groove are connected on the inner side of the foot column and the cross bar; The piece is correspondingly placed in the first groove and the second groove, the connecting piece is provided with a first fixing hole and a second fixing hole, the first fixing hole is provided with a first screw to lock into the first groove, and the second fixing hole The hole is provided with a second screw to lock into the second groove, and the foot column and the crossbar cooperate with each other to form a desk and chair, which can prevent the structure from loosening and shaking, and is more reliable and durable, and the connecting piece is set on the inside of the desk and chair. It can prevent students from touching and causing cuts to improve safety.

Description

Combination structure of table and chair components

This creation is related to the technical field of table and chair structures, especially a combination structure of table and chair components.

Press, wooden desks and chairs are indispensable in the classroom, allowing students to use desks and chairs in the classroom. In the current combined structure of desks and chairs, most of the legs and crossbars adopt a tenon joint structure, and the tenons of each crossbar are inserted into the corresponding tenon holes of the legs to form desks and chairs.

However, under the long-term use of the current desks and chairs, the tenon of each crossbar and the tenon hole of the foot post are only combined individually, so that the tenon of the crossbar and the tenon hole of the foot post are easily loosened from each other, thereby causing The desks and chairs are shaken or disassembled, which seriously affects the safety of use. Therefore, how to solve the above-mentioned problems is the topic that the industry-related industry is eager to study.

The main purpose of this creation is that the desks and chairs are provided with connecting pieces at the joints between the legs and the inner side of the crossbar, and the legs and the crossbars cooperate with each other to form a desk and chair, which can prevent the structure from loosening and shaking. It is more reliable and durable, and the connecting piece is set on the inner part of the desk and chair, which can prevent students from touching and causing cuts to improve safety.

In order to achieve the above purpose, the composition structure of the table and chair components of this creation includes a foot post, a cross bar and a connecting piece, wherein: the foot post and the cross bar are connected vertically to each other, and the cross-sections of the foot post and the cross bar are each set to be rectangular, and Each has an inner side facing the inside of the table and chair and an outer side facing the outside of the table and chair, the foot post is provided with a first groove on the inner side near the cross bar, and the cross bar is provided with a second groove on the inner side near the foot post. , and the first groove and the second groove are communicated with each other; the connecting piece is placed in the first groove and the second groove correspondingly, and the connecting piece is provided with a first fixed groove corresponding to the first groove and the second groove. A hole and a second fixing hole, the first fixing hole is provided with a first screw to lock into the first groove, and the second fixing hole is provided with a second screw to lock into the second groove.

In the aforementioned table and chair assembly structure, the foot post and the crossbar are provided with correspondingly connected tenon holes and tenons, and the first screw or the second screw is locked into the tenon holes and the sides of the tenon.

In the aforementioned table and chair component assembly structure, the first groove and the second groove communicate with each other to form a rectangle, and the connecting piece is correspondingly set to a rectangle.

In the foregoing table and chair component assembly structure, the first groove and the second groove communicate with each other to form an L-shape, and the connecting piece is correspondingly set to an L-shape.

In the aforementioned table and chair component assembly structure, the first groove and the second groove communicate with each other to form a T shape, and the connecting piece is correspondingly set in a T shape.

In the foregoing table and chair assembly structure, the first fixing holes and the first screws of the connecting piece are arranged in a corresponding plurality, and the second fixing holes and the second screws are arranged in a corresponding plurality.

1: Footpost

11: inner side

12: Outer side

13: tenon

14: The first groove

15: The first groove

2: Footpost

21: inner side

22: Outer side

23: Mortise hole

24: The first groove

25: First groove

3: Crossbar

31: inner side

32: Outer side

33: Mortise hole

34: tenon

35: Second groove

36: Second groove

37: Second groove

38: Second groove

41: connecting piece

42: connecting piece

43: connecting piece

44: connecting piece

45: The first fixing hole

46: Second fixing hole

47: First screw

48: Second screw

5: connecting rod

6: Seat plate

7: Backplane

The first picture is the three-dimensional view of the front view direction of the desk and chair components formed by the first embodiment of the present creation picture.

The second picture is a three-dimensional view of the chair from the rear of the first picture.

The third picture is a perspective view of the left side member of the classroom chair in the first picture.

Figure 4 is an exploded perspective view of the left component and connecting piece of the chair in Figure 3.

Figure 5 is an exploded perspective view of the left leg and crossbar of the chair in Figure 3.

The sixth figure is a cross-sectional view of the third figure along the line A~A.

Figure 7 is a cross-sectional view of Figure 3 taken along line B~B.

The eighth figure is a three-dimensional view of the left side member of the class chair according to the second embodiment of the present creation.

Figure 9 is an exploded perspective view of the left side member and connecting piece of the chair in Figure 8.

Figure 10 is an exploded perspective view of the left leg and crossbar of the chair in Figure 8.

Regarding the technical means and their effects used in this creation to achieve the above-mentioned purpose, feasible embodiments are hereby presented, and the descriptions are as follows in conjunction with the drawings:

First, please refer to the first embodiment shown in Figures 1 to 3. It can be clearly seen from the figures that the composition structure of the table and chair components of this creation is applied to form a classroom chair, and the classroom chair is mainly composed of four upright A cross bar 3 and a connecting bar 5 are connected between the foot posts 1 and 2 , and a plurality of seat plates 6 are connected to the two left and right opposite cross bars 3 , and a back plate 7 is connected between the two foot posts 2 .

Please refer to Figures 3 to 7. The main features of the table and chair components of this creation are the combined structure of the foot posts 1, 2, the crossbar 3 and the connecting pieces 41, 42, wherein:

The foot posts 1, 2 and the cross bar 3 are vertically connected to each other, and the connection between the foot posts 1, 2 and the cross bar 3 The cross-sections are set as rectangles, and each has inner sides 11, 21, 31 facing the inside of the table and chairs and outer sides 12, 22, 32 facing the outside of the table and chairs. The top of the foot post 1 is provided with a tenon 13 to insert and connect the cross-section. The corresponding tenon hole 33 at the bottom of the rod 3, and the tenon 34 of the cross rod 3 is inserted into the corresponding tenon hole 23 of the connecting leg 2. The grooves 14, 24, while the crossbar 3 is provided with second grooves 35, 36 on the inner side 31 near the feet 1, 2, and the first grooves 14, 24 and the corresponding second grooves 35, 36 are mutually Connected.

The connecting piece 41 is correspondingly placed in the first groove 14 and the second groove 35 of the foot post 1 , the first groove 14 and the second groove 35 are connected to form a rectangle, and the connecting piece 41 is correspondingly shaped as a rectangle, connecting the The sheet 41 is provided with two first fixing holes 45 and two second fixing holes 46 corresponding to the first groove 14 and the second groove 35, and the two first fixing holes 45 are each provided with a first screw 47 locked into the first groove. 14 side, and the two second fixing holes 46 are respectively provided with a second screw 48 to lock into the second groove 35, and the second screw 48 continues to lock into the side of the tenon hole 33 and the tenon 13 (refer to FIG. 6).

The connecting piece 42 is correspondingly inserted into the first groove 24 and the second groove 36 of the foot post 2 . The rectangular connecting piece 42 has two first fixing holes 45 corresponding to the first groove 24 and the second groove 36 . , two second fixing holes 46, two first fixing holes 45 are respectively provided with a first screw 47 to lock into the first groove 24, and the first screw 47 continues to lock into the side of the tenon hole 23 and the tenon 34 (refer to the seventh figure ), and the two second fixing holes 46 are each provided with a second screw 48 to lock into the second groove 36, so that the legs 1, 2 and the cross bar 3 cooperate with each other to form a desk and chair, which can prevent the structure from loosening. , shaking, more reliable and durable, and the connecting pieces 41, 42 are set on the inner part of the desk and chair, which can avoid students' touching and cause cuts, so as to improve safety. Wholeness.

Please refer to the second embodiment shown in Figures 8 to 10, the legs 1, 2 and the cross bar 3 are provided with first grooves 15, 25 and second grooves 37, 38, the first The groove 15 and the second groove 37 communicate with each other to form a T shape, and the connecting piece 43 is correspondingly formed into a T shape. The connecting piece 43 is placed in the first groove 15 and the second groove 37 correspondingly. A fixing hole 45 is locked into the first groove 15 with a first screw 47 , and the second fixing hole 46 is locked into the second groove 37 with a second screw 48 . The grooves 38 are connected to form an L-shape, and the connecting pieces 44 are correspondingly L-shaped. The connecting pieces 44 are placed in the first groove 25 and the second groove 38 correspondingly. The screw 47 is locked into the first groove 25, and the second fixing hole 46 is locked into the second groove 38 with the second screw 48, so that the legs 1, 2 and the cross bar 3 cooperate with each other to form a desk and chair.

The above-mentioned embodiments are only for the convenience of illustrating the present creation, and are not intended to limit it. Various simple changes and modifications that can be made by those skilled in the industry without departing from the spirit of the present creation should still be included in the following patent applications. in the range.

1: Footpost

11: inner side

12: Outer side

14: The first groove

2: Footpost

21: inner side

22: Outer side

24: The first groove

3: Crossbar

31: inner side

32: Outer side

35: Second groove

36: Second groove

41: connecting piece

42: connecting piece

45: The first fixing hole

46: Second fixing hole

47: First screw

48: Second screw

5: connecting rod

Claims (6)

A table and chair component combination structure, comprising a foot post, a cross bar and a connecting piece, wherein: The foot post and the cross bar are connected perpendicularly to each other. The cross section of the foot post and the cross bar are respectively set to be rectangular, and each has an inner side facing the inside of the table and chair and an outer side facing the outside of the table and chair. The inner side of the foot post is close to the cross bar. A first concave groove is provided, and a second concave groove is disposed on the inner side of the crossbar near the foot post, and the first concave groove and the second concave groove communicate with each other; The connecting piece is correspondingly inserted into the first groove and the second groove, the connecting piece is provided with a first fixing hole and a second fixing hole corresponding to the first groove and the second groove, and the first fixing hole is provided with a first fixing hole and a second fixing hole. A screw is locked into the first groove, and the second fixing hole is provided with a second screw to be locked into the second groove. The table and chair component assembly structure described in claim 1, wherein the foot post and the crossbar are provided with correspondingly connected tenon holes and tenons, and the first screw or the second screw is locked into the tenon holes and the sides of the tenon. The table and chair component assembly structure described in claim 1, wherein the first groove and the second groove communicate with each other to form a rectangle, and the connecting piece is correspondingly set as a rectangle. The table and chair component assembly structure described in claim 1, wherein the first groove and the second groove communicate with each other to form an L-shape, and the connecting piece is correspondingly set to an L-shape. The table and chair component assembly structure according to the claim 1, wherein the first groove and the second groove communicate with each other to form a T-shape, and the connecting pieces are correspondingly set in a T-shape. The table and chair component assembly structure according to the claim 1, wherein the first fixing holes and the first screws of the connecting piece are provided in a corresponding plurality, and the second fixing holes and the second Screws correspond to plural settings.

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