CN218832375U

CN218832375U - Steel pipe folding chair connecting fitting

Info

Publication number: CN218832375U
Application number: CN202222987581.5U
Authority: CN
Inventors: 吴庆寿; 金权; 郑银州; 康淑梅; 李培成; 张益作
Original assignee: Zhangzhou Jinqiao Industry And Trade Co ltd
Current assignee: Zhangzhou Jinqiao Industry And Trade Co ltd
Priority date: 2022-11-08
Filing date: 2022-11-08
Publication date: 2023-04-11
Anticipated expiration: 2032-11-08

Abstract

The utility model relates to a technical field is converted into to the chair, and discloses a steel pipe is converted into chair and is connected accessory, and the one end of second mounting panel is kept away from to a side surface of first L shape mounting panel, and the one end difference fixedly connected with L shape connecting plate of keeping away from first L shape mounting panel with a side surface of second mounting panel, and the slope of two sets of L shape connecting plate bottoms is provided with the spring. The utility model discloses in, install first fixed plate on the back foot mounting bracket through the bolt, realize the connection to connecting the accessory, first mounting panel is parallel with the second mounting panel level, thereby the first L shape mounting panel of device is the quadrangle, the characteristic that has the deformability, preceding foot stay tube of every group carries out screw thread fixed connection with the second fixed plate, thereby fix the chair, when the chair needs to be packed up, through two sets of preceding foot stay tubes and correspond between the back foot mounting bracket closed, be the quadrangle because of the first L shape mounting panel of device, extension spring, two diagonals are laminated each other, thereby accomplish the chair and convert into the process.

Description

Steel pipe folding chair connecting fitting

Technical Field

The utility model relates to a technical field is converted into to the chair, especially relates to a steel pipe is converted into chair and is connected accessory.

Background

The steel tube folding chair is common furniture in people's life due to its simple structure, folding, convenient movement.

When the existing steel pipe folding chair is opened for use, gaps between most connecting accessories and a seat disc are too large, and when the chair is moved in use, the movable gaps of the existing connecting accessories can be enlarged to be in a shearing mouth shape, so that hands can easily extend into the connecting accessories to cause pressure injury, and great potential safety hazards exist.

SUMMERY OF THE UTILITY MODEL

The utility model mainly solves the technical problems existing in the prior art and provides a steel pipe folding chair connecting fitting.

In order to achieve the above purpose, the present invention adopts the following technical solution, a steel pipe folding chair connecting fitting, wherein one end side of the inner side surface of a first L-shaped mounting plate is vertically and downwardly movably connected with a first mounting plate, two ends of one side surface of the first mounting plate are horizontally provided with a first mounting hole penetrating through the first mounting plate, and the inner part of each group of first mounting holes is horizontally provided with a first bolt, the first mounting hole formed at one end of the surface of the first mounting plate is horizontally parallel to the mounting hole formed at one end of the surface of the first L-shaped mounting plate, the first L-shaped mounting plate is in threaded connection with one end of the first mounting plate through a corresponding thread on the surface of the first bolt, one side surface of the first mounting plate, which is far away from the first L-shaped mounting plate, is vertically and downwardly fixedly connected with a first fixing plate, and one side surface of the first fixing plate is vertically and downwardly provided with a plurality of groups of mounting holes penetrating through the first fixing plate, the other end of the inner side surface of the first L-shaped mounting plate is vertically and downwards movably connected with a second mounting plate, the two ends of one side surface of the second mounting plate are horizontally provided with third mounting holes which penetrate through the second mounting plate, a second bolt is horizontally arranged in each group of the third mounting holes, the third mounting holes arranged at the top of the second mounting plate are horizontally parallel to the mounting holes arranged on the surface of the first L-shaped mounting plate and are in threaded connection through the corresponding second bolts through self threads, the bottom of the second mounting plate and the first mounting plate are horizontally provided with a third fixing plate, the two ends of the surface of the third fixing plate are provided with mounting holes which penetrate through the third fixing plate, the two ends of the third fixing plate are respectively in threaded connection with the bottoms of the first mounting plate and the second mounting plate through the corresponding first bolts and the second bolts, and the bottom of the third fixing plate is movably connected with a cushion, the bottom fixedly connected with enhancement layer of cushion, the both sides central point of enhancement layer puts through the loose bearing swing joint has two sets of preceding foot stay tubes, and every preceding foot stay tube of group is parallel with the second fixed plate level that corresponds, and the multiunit that every preceding foot stay tube of group and second fixed plate surface were seted up passes through screw thread fixed connection.

Preferably, a second fixing plate is fixedly connected to one side surface, far away from the first L-shaped mounting plate, of the second mounting plate in a vertically downward mode, and a plurality of groups of second mounting holes penetrating through the second fixing plate are formed in one side surface of the second fixing plate in a vertically downward mode.

Preferably, one end of the first L-shaped mounting plate, which is far away from the second mounting plate, is arranged on one side surface of the first L-shaped mounting plate, one end of the first L-shaped mounting plate, which is far away from the first L-shaped mounting plate, is fixedly connected with the L-shaped connecting plates respectively, springs are obliquely arranged at the bottoms of the two groups of L-shaped connecting plates, and two ends of each spring are fixedly connected with the bottoms of the corresponding L-shaped connecting plates respectively.

Preferably, the two ends of the surface of one side, far away from the two groups of front foot supporting tubes, of the reinforcing layer are vertically and downwardly movably connected with rear foot mounting frames, each group of rear foot mounting frames are horizontally parallel to the corresponding first fixing plate, and each group of rear foot mounting frames are fixedly connected with multiple groups of mounting holes formed in the surface of the corresponding first fixing plate through threads.

Preferably, two the one end that the cushion was kept away from to the front foot stay tube is installed anti-skidding shell, and anti-skidding shell sets up hollowly in the inside, and anti-skidding shell cover is on the front foot stay tube, sets up anti-skidding shell and is favorable to the stability of chair, has avoided leading to the user to tumble because of the chair skids.

Advantageous effects

The utility model provides a steel pipe is converted into chair and is connected accessory. The method has the following beneficial effects:

(1) This steel pipe is converted into chair and is connected accessory, the cushion lower part is provided with the enhancement layer, the enhancement layer rotates with preceding foot support pipe to be connected, the material of cushion is the sponge material, it can effectually avoid the cushion to damage because of bearing great power to set up the enhancement layer, the life of cushion has been prolonged effectively, preceding foot support pipe and mounting bracket are chooseed for use carbide material for two, preceding foot support pipe and back foot mounting bracket choose for use carbide material can its size that bears stress of effectual increase, thereby it damages because of bearing great stress to have avoided it, its life has been prolonged effectively.

(2) This steel pipe is converted into chair and is connected accessory, install first fixed plate on the back foot mounting bracket through the bolt, realize connecting the connection of accessory, cooperation through first mounting hole and first bolt is with first mounting panel and first L shape mounting panel installation together, first mounting panel is parallel with the second mounting panel level, thereby install first L shape mounting panel for the quadrangle, the characteristic that has the deformability, every group front foot stay tube carries out screw thread fixed connection with the second fixed plate, thereby fix the chair, when the chair needs to be packed up, through two sets of front foot stay tubes and correspond the back foot mounting bracket between closed, because the first L shape mounting panel of device is the quadrangle, thereby take place deformation, extension spring, two diagonals laminate each other, thereby accomplish the chair and convert into the process, when the chair needs to be opened, only need to stretch front foot stay tube and back foot mounting bracket outward, because the spring self has inertia collision, make the first L shape mounting panel of device resume the original state, the top laminating of every group back foot stay tube with corresponding on the front foot side surface, the effect of fixity has been played the chair, simultaneously can not convert into because of contact when connecting the accessory, the product damage can not be converted into, the life of this practicality is greatly improved, this device is strong, the practicality is simple.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, proportion, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and the modification of any structure, the change of proportion relation or the adjustment of size all fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the purpose which can be achieved by the present invention.

FIG. 1 is a schematic view of the overall structure of the connecting frame of the present invention;

FIG. 2 is an enlarged view of A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the structure of the folding chair of the present invention.

Illustration of the drawings:

1. a first L-shaped mounting plate; 2. a first mounting plate; 3. a first mounting hole; 4. a first bolt; 5. a first fixing plate; 6. a second mounting plate; 7. a second fixing plate; 8. a second mounting hole; 9. an L-shaped connecting plate; 10. a third mounting hole; 11. a second bolt; 12. a spring; 13. a third fixing plate; 14. a forefoot support tube; 15. a reinforcing layer; 16. a cushion; 17. a rear foot mounting rack.

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.

The embodiment is as follows: the utility model provides a steel pipe is converted into chair and is connected accessory, as shown in fig. 1-3, including first L shape mounting panel 1, and the mounting hole that runs through first L shape mounting panel 1 self is seted up to a side surface both ends level of first L shape mounting panel 1, the vertical swing joint downwards in side of the inside surface one end side of first L shape mounting panel 1 has first mounting panel 2, a side surface both ends level of first mounting panel 2 sets up the first mounting hole 3 that runs through first mounting panel 2 self, and the inside level of every group first mounting hole 3 is provided with first bolt 4, first mounting hole 3 that first mounting panel 2 surface one end was seted up is parallel with the mounting hole level that first L shape mounting panel 1 surface one end was seted up, carry out threaded connection with the one end of first L shape mounting panel 1 and first mounting panel 2 through the screw on the corresponding first bolt 4 surface, first mounting panel 2 keeps away from the vertical fixed connection downwards of a side surface of first L shape mounting panel 1 and has first fixed plate 5, a plurality of sets of mounting plate 5's through first fixed plate 5 self mounting plate is seted up vertically downwards in side surface, the vertical movable mounting panel 6 downwards in side surface of first L shape mounting panel 1 is to the lower side of first fixed plate is connected with.

Further, third mounting holes 10 penetrating through the second mounting plate 6 are horizontally formed in two ends of one side surface of the second mounting plate 6, a second bolt 11 is horizontally arranged in each group of third mounting holes 10, the third mounting holes 10 formed in the top of the second mounting plate 6 are horizontally parallel to the mounting holes formed in the surface of the first L-shaped mounting plate 1, the second mounting plates are in threaded connection through corresponding threads 11, one side surface of each second mounting plate 6, which is far away from the first L-shaped mounting plate 1, is vertically and downwards fixedly connected with a second fixing plate 7, a plurality of groups of second mounting holes 8 penetrating through the second fixing plate 7 are vertically and downwards formed in one side surface of each second fixing plate 7, one end, far away from the second mounting plate 6, of each first L-shaped mounting plate 1, one end, far away from the first L-shaped mounting plate 1, of each second mounting plate 6, one end, far away from the first L-shaped mounting plate 1, is fixedly connected with an L-shaped connecting plate 9, springs 12 are obliquely arranged at the bottoms of the two sets of the L-shaped connecting plates 9, two ends of each spring 12 are respectively fixedly connected with the bottoms of corresponding L-shaped connecting plates 9, two ends of the second mounting plates 13, two ends, which are horizontally arranged, and two ends of each third mounting plates 13, and two ends, which are connected with the corresponding threaded fixing plates 13, and the corresponding second mounting plates 13, and the corresponding threaded fixing plates 13, and the second mounting plates are horizontally arranged.

Further, the bottom swing joint of third fixed plate 13 has cushion 16, the bottom fixedly connected with enhancement layer 15 of cushion 16, the both sides central point of enhancement layer 15 puts through loose bearing swing joint has two sets of front foot stay tubes 14, every front foot stay tube 14 of group is parallel with the second fixed plate 7 level that corresponds, the multiunit 18 that every front foot stay tube 14 of group and second fixed plate 7 surface were seted up passes through screw thread fixed connection, the vertical swing joint downwards in a side surface both ends that two sets of front foot stay tubes 14 were kept away from to enhancement layer 15 has rear foot mounting bracket 17, every rear foot mounting bracket 17 of group is parallel with the first fixed plate 5 level that corresponds, every rear foot mounting bracket 17 of group passes through screw thread fixed connection with the multiunit mounting hole that the first fixed plate 5 surfaces that correspond was seted up.

Furthermore, an anti-slip shell is installed at one end, far away from the cushion 16, of each of the two front foot supporting tubes 14, the anti-slip shell is hollow, the anti-slip shell is sleeved on the front foot supporting tubes 14, the anti-slip shell is favorable for stability of the chair, and the situation that users fall down due to slipping of the chair is avoided.

The working principle is as follows: cushion 16 lower part is provided with the enhancement layer 15, the enhancement layer 15 rotates with preceding foot support pipe 14 to be connected, the material of cushion 16 is the sponge material, it can effectually avoid cushion 16 to damage because of bearing great power to set up the enhancement layer 15, the life of cushion 16 has been prolonged effectively, carbide material is chooseed for use to preceding foot support pipe 14 and two 24 mounting brackets, preceding foot support pipe 14 and back foot mounting bracket 17 choose for use carbide material can effectual increase its size that bears stress, thereby it damages because of bearing great stress to have avoided it, its life has been prolonged effectively.

Further, the first fixing plate 5 is installed on the rear foot installation frame 17 through bolts, connection of connection accessories is achieved, the first installation plate 2 and the first L-shaped installation plate 1 are installed together through the cooperation of the first installation holes 3 and the first bolts 4, the first installation plate 2 is horizontally parallel to the second installation plate 6, the first L-shaped installation plate 1 is quadrilateral and has the characteristic of deformation, each group of front foot support tubes 14 and the second fixing plate 7 are fixedly connected through threads, the chair is fixed, when the chair needs to be folded, the first L-shaped installation plate 1 is restored to the original state through closing of the two groups of front foot support tubes 14 and the corresponding rear foot installation frame 17 due to the fact that the first L-shaped installation plate 1 is quadrilateral and deforms, the extension springs 12 and the two diagonals are attached to each other, the folding process of the chair is completed, when the chair needs to be opened, only the front foot support tubes 14 and the rear foot installation frame 17 need to be stretched outwards, inertia of the springs 12 per se is achieved, the first L-shaped installation plate 1 is restored to the original state, the top of each group of rear foot installation frame 17 is attached to the surface of the corresponding front foot support tubes 14, the surface, the chair plays a role in fixation, meanwhile, the connection accessories can not be damaged due to the collision, and the connection accessories can be damaged, and the service life of the chair is greatly prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a steel pipe is converted into chair and is connected accessory, includes first L shape mounting panel (1) to the mounting hole that runs through first L shape mounting panel (1) self is seted up to a side surface both ends level of first L shape mounting panel (1), its characterized in that: one end of the inner side surface of the first L-shaped mounting plate (1) is vertically and downwards movably connected with a first mounting plate (2), two ends of one side surface of the first mounting plate (2) are horizontally provided with first mounting holes (3) penetrating through the first mounting plate (2) per se, the inner part of each group of first mounting holes (3) is horizontally provided with first bolts (4), the first mounting holes (3) formed at one end of the surface of the first mounting plate (2) are horizontally parallel to the mounting holes formed at one end of the surface of the first L-shaped mounting plate (1), the first L-shaped mounting plate (1) is in threaded connection with one end of the first mounting plate (2) through corresponding threads on the surface of the first bolts (4), one side surface of the first mounting plate (2) far away from the first L-shaped mounting plate (1) is vertically and downwards fixedly connected with a first fixing plate (5), one side surface of the first fixing plate (5) is vertically and downwards provided with a plurality of groups of mounting holes penetrating through the first fixing plate (5) per se, the other end of the inner side surface of the first L-shaped mounting plate (1) is vertically and downwards movably connected with a second mounting plate (6), the second mounting plate (10) is provided with a plurality of horizontal mounting holes (10) penetrating through the mounting holes (10) arranged on the inner part of the second mounting plate (10) horizontally arranged at the third mounting plate (10), and carry out threaded connection through the screw thread of self through corresponding second bolt (11), second mounting panel (6) and first mounting panel (2) bottom level are provided with third fixed plate (13), the mounting hole that runs through third fixed plate (13) self is seted up at the surperficial both ends of third fixed plate (13), the both ends of third fixed plate (13) respectively with the bottom of first mounting panel (2) and second mounting panel (6) carry out threaded connection through corresponding first bolt (4) and second bolt (11), the bottom swing joint of third fixed plate (13) has cushion (16), the bottom fixedly connected with enhancement layer (15) of cushion (16), the both sides central point of enhancement layer (15) puts through movable bearing swing joint has two sets of front foot stay tubes (14), every group front foot stay tube (14) is parallel with corresponding second fixed plate (7) level, the multiunit (18) that every group front foot stay tube (14) and second front foot fixed plate (7) surface seted up pass through threaded fixed connection.

2. The steel tube folding chair connecting fitting as claimed in claim 1, wherein: the vertical fixedly connected with second fixed plate (7) downwards of a side surface that keeps away from first L shape mounting panel (1) in second mounting panel (6), the vertical second mounting hole (8) that run through second fixed plate (7) self of multiunit have been seted up downwards to a side surface of second fixed plate (7).

3. The steel tube folding chair connecting fitting as claimed in claim 1, wherein: one side surface of first L shape mounting panel (1) keeps away from the one end of second mounting panel (6), and the one end of keeping away from first L shape mounting panel (1) with one side surface of second mounting panel (6) is fixedly connected with L shape connecting plate (9) respectively, and two sets of L shape connecting plate (9) bottom slope is provided with spring (12), the both ends of spring (12) respectively with the bottom fixed connection who corresponds L shape connecting plate (9).

4. The steel tube folding chair connecting fitting as claimed in claim 1, wherein: the reinforcing layer (15) keeps away from the vertical swing joint that has back foot mounting bracket (17) downwards in the vertical side surface both ends of two sets of front foot stay tubes (14), and every back foot mounting bracket of group (17) is parallel with the first fixed plate (5) level that corresponds, and the multiunit mounting hole that every back foot mounting bracket of group (17) and first fixed plate (5) surface that corresponds were seted up passes through screw thread fixed connection.

5. The steel tube folding chair connecting fitting as claimed in claim 1, wherein: two the preceding foot stay tube (14) keep away from the one end of cushion (16) and install anti-skidding shell, anti-skidding shell inside sets up hollowly, and anti-skidding shell cover is favorable to the stability of chair on preceding foot stay tube (14), has avoided leading to the user to tumble because of the chair skids.