CN218651045U

CN218651045U - Table chair subassembly and chair handrail connecting sleeve structure

Info

Publication number: CN218651045U
Application number: CN202222961909.6U
Authority: CN
Inventors: 黄联超
Original assignee: Taizhou Huaerqi Leisure Products Co ltd
Current assignee: Taizhou Huaerqi Leisure Products Co ltd
Priority date: 2022-11-04
Filing date: 2022-11-04
Publication date: 2023-03-21
Anticipated expiration: 2032-11-04

Abstract

The utility model provides a table chair subassembly and chair handrail connecting sleeve structure. The utility model comprises a chair frame body, the chair frame body comprises a backrest frame and a handrail frame, a split design is adopted between the backrest frame and the handrail frame, the handrail frame is formed by bending hollow pipes integrally, the end part of the handrail frame extends to one side of the backrest frame, the end part of the handrail frame close to the backrest frame is provided with a tangent plane, and a hollow channel in the handrail frame is communicated with the tangent plane; the hand-rest frame is characterized by further comprising an end cover and a locking bolt, wherein the end cover is inserted into the hollow channel in the hand-rest frame from one side of the tangent plane, and the locking bolt penetrates through the end part, close to the tangent plane, of the hand-rest frame and is connected to the back-rest frame in a threaded mode. Through the technical scheme, the end cover and the armrest frame are firmly connected, and the use stability is high.

Description

Table chair subassembly and chair handrail connecting sleeve structure

Technical Field

The utility model relates to a table chair, in particular to a table chair subassembly and chair handrail connecting sleeve structure.

Background

The structure of the existing chair, such as the Chinese utility model patent with the publication number of CN202959602U, is an electric fanning chair, the displayed structure comprises chair legs, a backrest, armrests and a chair seat, and the edges of the armrests and the backrest are integrally wound by hollow pipes; even if the hollow pipe is integrally wound, the end part of the hollow pipe is bound to form a notch, and the notch is not further processed, so that the appearance is not enough, and the whole use safety is also reduced.

In view of the above existing problems, reference may also be made to the technical solution shown in a drill rod packaging cap of the chinese utility model patent with publication number CN204457457U, where the drill rod packaging cap adopts a plug structure with a T-shaped cross section, one end of the plug structure is plugged into a middle hole of the drill rod, the diameter of the other end of the plug structure is greater than the diameter of the drill rod head, and the drill rod packaging cap is made of a flexible material, thereby not only effectively protecting the drill rod head from being damaged in the transportation process, but also protecting the middle hole of the drill rod from being blocked by dust; the same is true of the hollow pipe orifice applied to the chair.

At the in-process with above-mentioned packaging cap application, also can discover, because packaging cap adopts the plastics material to make, even same hollow tube, the inside bore size of incision at hollow tube tip also can have great packaging cap difference, just can lead to with the unable assurance of the inseparable nature of cooperation between the incision at hollow tube tip, the packaging cap falls from the incision is interior accident easily, influences normal use.

SUMMERY OF THE UTILITY MODEL

In view of this, the first objective of the present invention is to provide a chair armrest connecting sleeve structure, which has a firm connection between the end cover and the armrest frame and a high stability in use.

In order to solve the technical problem, the technical scheme of the utility model is that:

a chair armrest connecting sleeve structure comprises a chair frame body, wherein the chair frame body comprises a backrest frame and an armrest frame, a split design is adopted between the backrest frame and the armrest frame, the armrest frame is formed by integrally bending a hollow pipe, the end part of the armrest frame extends to one side of the backrest frame, a cut surface is arranged at the end part of the armrest frame close to the backrest frame, and a hollow channel in the armrest frame is communicated with the cut surface;

the hand-rest frame is characterized by further comprising an end cover and a locking bolt, wherein the end cover is inserted into the hollow channel in the hand-rest frame from one side of the tangent plane, and the locking bolt penetrates through the hand-rest frame, is close to the end part of the tangent plane, the end cover and is in threaded connection with the back-rest frame.

Through the technical scheme, on one hand, the locking bolts are simultaneously connected to the armrest frame, the end cover and the backrest frame, and the connection stability between the end cover and the armrest frame is very high; on the other hand, when the locking bolt is screwed down, because the end cover is inserted into the hollow channel in the handrail frame from one side of the tangent plane, the structural strength of the whole handrail frame is greatly improved, the supporting strength of the handrail frame to the locking bolt is also greatly enhanced, the handrail frame is not easy to deform, and the locking stability of the locking bolt is high; has higher overall use stability.

Preferably, the end cover comprises an insertion section and a covering sheet, the insertion section is inserted into the hollow channel, and the covering sheet covers the tangent plane.

Through the technical scheme, the covering piece can cover the section, so that the section is prevented from directly contacting with the skin of a user, and the use safety is improved.

Preferably, the cover sheet is provided with an extension sheet extending to one side of the armrest frame, and the extension sheet covers the side wall of the armrest frame.

Through the technical scheme, on one hand, the extension sheet is matched with the covering sheet to wrap the section and part of the side wall of the handrail frame, so that the protection effect is better; on the other hand, the effective contact area between the end cover and the armrest frame is increased, and the connection stability between the end cover and the armrest frame is higher.

Preferably, a hollow hole is formed in the insertion section.

Through above-mentioned technical scheme, not only saved the material quantity of end cover, inserted the in-process of hollow passageway at the grafting section moreover, promoted the deformable possibility of grafting section, in the grafting section inserts hollow passageway more easily, it is more convenient to install.

Preferably, the hollow hole penetrates through an end position of the insertion section, which is away from the cover sheet.

Through above-mentioned technical scheme, the end position that the plug-in section deviates from the cover piece takes place deformation more easily, and the possibility that this end entered into in the hollow passageway is higher.

Preferably, the diameter of the hollow hole gradually becomes smaller towards one side close to the covering sheet.

Through above-mentioned technical scheme, after the grafting section inserts in the hollow channel, because the aperture of fretwork hole gradually diminishes towards one side that is close to the cover piece, the grafting section thickness that is close to cover piece one side more promptly is thicker, and at this moment, the support stability that offsets between grafting section and the handrail frame is higher.

Preferably, the inserting section is provided with a first through hole, the armrest frame is provided with a second through hole, the hollow hole is internally provided with a support piece, and the locking bolt can penetrate through the second through hole and the first through hole and is in threaded connection with the backrest frame.

Through above-mentioned technical scheme, support piece can selectively produce the supporting role to the fretwork hole pore wall, and the structural stability of grafting section becomes strong, and the connection stability between end cover and the handrail frame is higher.

Preferably, the support member includes a support tube, a third through hole is formed in the support tube, and the locking bolt can pass through the second through hole, the third through hole and the first through hole and is connected to the backrest frame through threads.

Through above-mentioned technical scheme, the stay tube can produce extremely strong supporting role to the grafting section, and the locking bolt directly passes the stay tube, and the smooth and easy nature of installation of locking bolt is higher, and overall connection stability is stronger.

Preferably, a positioning protrusion is arranged on the hole wall of the hollow hole, the positioning protrusion can abut against the inner pipe wall of the supporting pipe, and the pipe orifice of the supporting pipe is opposite to the first through hole.

Through above-mentioned technical scheme, in actual installation, need install the stay tube in the fretwork hole earlier, only need put into the fretwork hole with the stay tube this moment, the location arch supports against on the inner pipe wall of stay tube mutually, so the stay tube alright reach the location effect, and the installation is smooth and easy, and connection stability is high.

The second objective of the utility model is to provide a chair armrest connecting sleeve structure, the stability of its use is high.

a table and chair assembly comprises a table and a chair with the chair armrest connecting sleeve structure.

Through the technical scheme, the connection between the armrest frame and the backrest frame in the chair of the table and chair assembly is stable and high; the end cover is not easy to fall off from the end part of the handrail frame.

Drawings

FIG. 1 is a schematic structural diagram according to a first embodiment;

FIG. 2 is a schematic cross-sectional view illustrating the structure of the first embodiment;

FIG. 3 is an enlarged view of portion A of FIG. 2;

fig. 4 is a schematic structural diagram of the second embodiment.

Reference numerals: 1. a chair frame body; 11. a backrest frame; 12. a handrail frame; 121. cutting into noodles; 122. a hollow channel; 2. an end cap; 21. a plug section; 22. hollowing out holes; 23. a cover sheet; 24. an extension piece; 3. locking the bolt; 4. a first through hole; 5. a second through hole; 6. a support member; 61. supporting a tube; 611. a third through hole; 7. positioning a projection; 8. a table; 9. a chair is provided.

Detailed Description

The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings, so that the technical solution of the present invention can be more easily understood and grasped.

The first embodiment is as follows:

a chair armrest connecting sleeve structure is shown in figure 1 and comprises a chair frame body 1, wherein the chair frame body 1 comprises a backrest frame 11 and an armrest frame 12, and a split design is adopted between the backrest frame 11 and the armrest frame 12.

Referring to fig. 1, the armrest frame 12 is formed by integrally bending a hollow tube. The end of the armrest frame 12 extends to one side of the backrest frame 11, and the end of the armrest frame 12 is connected and fixed with the backrest frame 11 through the locking bolt 3.

Referring to fig. 2 and 3, the end of the armrest frame 12 near the backrest frame 11 is provided with a cut surface 121, and a hollow channel 122 in the armrest frame 12 communicates with the cut surface 121.

Referring to fig. 2 and 3, the end cap 2 is attached to a cut surface 121 of the end portion of the armrest frame 12. The end cap 2 is inserted into the hollow channel 122 in the armrest frame 12 from the side of the cut surface 121, and the locking bolt 3 passes through the end portion of the armrest frame 12 close to the cut surface 121, the end cap 2 and is screwed on the backrest frame 11.

In detail, referring to fig. 2 and 3, the end cap 2 includes an insertion section 21, a cover sheet 23, and an extension sheet 24, the insertion section 21 is inserted into the hollow channel 122, the cover sheet 23 covers the cut surface 121, the extension sheet 24 extends to the outer side wall of the armrest frame 12, and the extension sheet 24 covers the side wall of the armrest frame 12.

Referring to fig. 2 and 3, a hollow hole 22 is formed in the insertion section 21. The hollow hole 22 penetrates through the end of the insertion section 21 facing away from the covering sheet 23. In order to improve the smoothness and stability of the insertion between the insertion section 21 and the hollow channel 122, the aperture of the hollow hole 22 is designed to be gradually reduced toward the side close to the covering sheet 23.

Referring to fig. 2 and 3, the insertion section 21 is provided with a first through hole 4, and the armrest frame 12 is provided with a second through hole 5.

Referring to fig. 2 and 3, a support member 6 is disposed in the hollow hole 22, the support member 6 includes a support tube 61, a third through hole 611 is disposed in the support tube 61, and the locking bolt 3 can pass through the second through hole 5, the third through hole 611, the first through hole 4 and be screwed to the backrest frame 11.

In addition, referring to fig. 2 and fig. 3, a positioning protrusion 7 is disposed on the hole wall of the hollow hole 22, the positioning protrusion 7 can abut against the inner wall of the supporting tube 61, and the opening of the supporting tube 61 is opposite to the first through hole 4.

In the actual installation and connection process, the support tube 61 is firstly installed in the hollow hole 22, the inner tube wall of the support tube 61 is matched with the positioning protrusion 7, and the third through hole 611 of the support tube 61 is communicated with the first through hole 4 of the insertion section 21; the inserting section 21 of the whole end cover 2 is inserted into the hollow channel 122 of the armrest frame 12 until the covering sheet 23 is attached to the cut surface 121, the extending sheet 24 is attached to the outer side wall of the armrest frame 12, the first through hole 4 of the inserting section 21, the second through hole 5 of the armrest frame 12 and the third through hole 611 of the supporting tube 61 are communicated, and the locking bolt 3 is threaded onto the backrest frame 11 through the second through hole 5, the first through hole 4 and the third through hole 611 to complete the installation.

Example two:

a table and chair assembly, see figure 4, comprises a table 8, a chair 9 with an arm attachment sleeve arrangement as in the first embodiment. The chair 9 is placed around the table 8.

Of course, the above is only a typical example of the present invention, and besides, the present invention can also have other various specific embodiments, and all technical solutions adopting equivalent replacement or equivalent transformation are all within the scope of the present invention as claimed.

Claims

1. The utility model provides a chair handrail connecting sleeve structure, includes chair frame body (1), chair frame body (1) includes back frame (11), handrail frame (12), back frame (11) with adopt split type design between handrail frame (12), handrail frame (12) are formed characterized by the integrative bending type of hollow tube:

the end part of the armrest frame (12) extends to one side of the backrest frame (11), a tangent plane (121) is arranged at the end part of the armrest frame (12) close to the backrest frame (11), and a hollow channel (122) in the armrest frame (12) is communicated with the tangent plane (121);

still include end cover (2), locking bolt (3), end cover (2) are inserted by tangent plane (121) one side and are arrived in hollow passageway (122) in handrail frame (12), locking bolt (3) pass handrail frame (12) are close to tip, end cover (2) and the threaded connection of tangent plane (121) in on the back frame (11).

2. The chair armrest connecting sleeve structure of claim 1, wherein: the end cover (2) comprises an inserting section (21) and a covering sheet (23), the inserting section (21) is inserted into the hollow channel (122), and the covering sheet (23) covers the tangent plane (121).

3. The chair armrest connecting sleeve structure according to claim 2, wherein: the cover sheet (23) is provided with an extension sheet (24) extending to one side of the armrest frame (12), and the extension sheet (24) covers the side wall of the armrest frame (12).

4. The chair armrest connecting sleeve structure according to claim 2, wherein: a hollow hole (22) is arranged in the insertion section (21).

5. The chair armrest connecting sleeve structure according to claim 4, wherein: the hollow hole (22) penetrates through the end position of the insertion section (21) deviating from the covering sheet (23).

6. The chair armrest connecting sleeve structure of claim 5, wherein: the diameter of the hollow hole (22) is gradually reduced towards the side close to the covering sheet (23).

7. The chair armrest connecting sleeve structure of claim 5, wherein: the backrest frame is characterized in that a first through hole (4) is formed in the inserting section (21), a second through hole (5) is formed in the armrest frame (12), a supporting piece (6) is arranged in the hollow hole (22), and the locking bolt (3) can penetrate through the second through hole (5), the first through hole (4) and be in threaded connection with the backrest frame (11).

8. The chair armrest connecting sleeve structure according to claim 7, wherein: the supporting piece (6) comprises a supporting pipe (61), a third through hole (611) is formed in the supporting pipe (61), and the locking bolt (3) can penetrate through the second through hole (5), the third through hole (611) and the first through hole (4) and is connected to the backrest frame (11) in a threaded mode.

9. The chair armrest connecting sleeve structure according to claim 8, wherein: the hole wall of the hollow hole (22) is provided with a positioning bulge (7), the positioning bulge (7) can be abutted against the inner pipe wall of the supporting pipe (61), and the pipe orifice of the supporting pipe (61) is opposite to the first through hole (4).

10. A table and chair assembly comprising a table (8) and characterized in that: also included is a chair (9) with a chair armrest connection sleeve structure according to any of claims 1-9.