CN216776518U

CN216776518U - Folding chair frame

Info

Publication number: CN216776518U
Application number: CN202123410822.1U
Authority: CN
Inventors: 杨崇新; 吕亮; 张开翥; 杨磊
Original assignee: Anhui Hantang Leisure Products Co ltd
Current assignee: Anhui Hantang Leisure Products Co ltd
Priority date: 2021-12-31
Filing date: 2021-12-31
Publication date: 2022-06-21
Anticipated expiration: 2031-12-31

Abstract

The utility model discloses a folding chair frame body, which belongs to the technical field of folding chairs and comprises a first folding frame and a second folding frame positioned on one side of the first folding frame, wherein locking devices used for locking the frame body are respectively arranged on the first folding frame and the second folding frame, the front sides of the first folding frame and the second folding frame are movably connected through a first connecting frame, and the back sides of the first folding frame and the second folding frame are movably connected through a second connecting frame. According to the folding rack, the installation box, the first connecting rod, the second connecting rod, the first gear and the second gear are arranged, the installation box can be pulled to enable the first gear and the second gear which are mutually embedded to synchronously rotate when the folding rack is folded, so that the first folding rack and the second folding rack can be synchronously folded, the situation that the folding rack is not synchronous in left and right and is inclined is avoided, the locking devices on the first folding rack and the second folding rack can be used for locking the rack body when the rack body is opened, and the rack body is prevented from being unstable when the rack body is used.

Description

Folding chair frame

Technical Field

The utility model relates to a frame body, in particular to a frame body of a folding chair, and belongs to the technical field of folding chairs.

Background

The folding chair can be folded easily, is convenient to move and saves space, is originally used for military use, and is commonly used in various training institutions, schools at all levels, public places, hospitals, restaurants, hotels, companies, families and other places.

The prior folding chair frame body is not synchronous left and right when being folded, is easy to skew and inconvenient to fold, has no effective locking structure and is not stable enough when being used.

SUMMERY OF THE UTILITY MODEL

The utility model mainly aims to solve the problems that the existing pipe outlet labeling device is complex in structure and a spray pipe is easy to block during pipe outlet, and provides a folding chair frame body.

The purpose of the utility model can be achieved by adopting the following technical scheme:

the utility model provides a folding chair support body, includes first folding frame, and is located the second folding frame of first folding frame one side, first folding frame with all install the locking device who is used for locking the support body on the second folding frame, first folding frame with the front of second folding frame is through first link swing joint, first folding frame with the back of second folding frame is through second link swing joint, swing joint has the first connecting rod and the second connecting rod of mutual symmetry on the first link, first connecting rod with be equipped with the mounting box between the second connecting rod, first connecting rod with the second connecting rod respectively through first gear and second gear with the mounting box rotates to be connected, first gear with intermeshing between the second gear.

Preferably, the first folding frame and the second folding frame both include armrests, one side of each armrest is rotatably connected with a first supporting rod, and the bottom of each armrest is rotatably connected with a fourth supporting rod.

Preferably, one side of the fourth supporting rod is provided with a second supporting rod rotatably connected with the bottom of the handrail, the middle part of the first supporting rod is provided with a first connecting piece, one side of the first connecting piece is provided with a first connecting sleeve, and the inner side of the first connecting piece is rotatably provided with a fifth supporting rod.

Preferably, the fourth support rod is rotatably connected to the fifth support rod through the locking device, the second support rod is slidably mounted inside the first connecting sleeve, and the bottom of the fourth support rod is rotatably connected to the bottom of the first support rod.

Preferably, the locking device comprises a mounting sleeve sleeved on the outer side of the fourth supporting rod and a reed mounted on the inner side of the fourth supporting rod.

Preferably, a clamping block penetrating through the fourth supporting rod is installed on one side of the reed, and a button matched with the clamping block is movably installed on the installation sleeve.

Preferably, the first connecting frame includes the second connecting piece, the inboard of second connecting piece is rotated and is installed the sixth bracing piece, the one end of second connecting piece is rotated and is installed the seventh bracing piece, the other end of second connecting piece is rotated and is installed the eighth bracing piece.

Preferably, the first connecting rod is rotatably mounted on the sixth supporting rod, the second connecting rod is rotatably mounted on the seventh supporting rod, the top end of the seventh supporting rod and the bottom end of the sixth supporting rod are rotatably connected with the back of the first folding frame, and the bottom end of the eighth supporting rod and the top end of the sixth supporting rod are rotatably connected with the back of the second folding frame.

Preferably, the second link includes the third connecting piece, the inboard of third connecting piece is rotated and is installed the ninth bracing piece, the one end of third connecting piece is rotated and is installed the tenth bracing piece, the other end of third connecting piece is rotated and is connected with the eleventh bracing piece.

Preferably, the top end of the tenth support rod and the bottom end of the ninth support rod are rotatably connected to the front surface of the second folding frame, and the bottom end of the eleventh support rod and the top end of the ninth support rod are rotatably connected to the front surface of the second folding frame.

The utility model has the beneficial technical effects that: according to the folding chair frame body, the installation box, the first connecting rod, the second connecting rod, the first gear and the second gear are arranged, the installation box can be pulled to enable the first gear and the second gear which are mutually internally cored to synchronously rotate when the folding chair frame body is folded, so that the first folding frame and the second folding frame are synchronously folded, the condition that the left side and the right side are not synchronous and skew when the folding chair frame body is folded is avoided, the frame body can be locked when the frame body is opened through the arrangement of the locking devices on the first folding frame and the second folding frame, and the frame body is prevented from being unstable when the frame body is used.

Drawings

FIG. 1 is a schematic view of the overall structure of a preferred embodiment of a folding chair frame body according to the utility model;

FIG. 2 is a rear view of a preferred embodiment of a folding chair frame according to the utility model;

FIG. 3 is a side view of a preferred embodiment of a folding chair frame according to the utility model;

FIG. 4 is a first folding frame structure diagram of a preferred embodiment of a folding chair frame body according to the utility model;

FIG. 5 is a schematic view of a mounting box of a preferred embodiment of a folding chair frame according to the utility model;

FIG. 6 is a schematic view of a second link structure of a preferred embodiment of a folding chair frame body according to the utility model;

FIG. 7 is a schematic view of a first link structure of a preferred embodiment of a folding chair frame body according to the utility model;

fig. 8 is a schematic view showing a locking device of a preferred embodiment of a folding chair frame body according to the present invention.

In the figure: 1. a first folding frame; 2. a second folding frame; 3. a first connecting frame; 4. mounting a box; 5. a second link frame; 6. a first link; 7. a second link; 8. a locking device; 9. a first gear; 10. a second gear; 101. a handrail; 102. a first support bar; 103. a second support bar; 104. a fourth support bar; 105. a fifth support bar; 106. a first connecting member; 107. a first connecting sleeve; 301. a second connecting member; 302. a sixth support bar; 303. a seventh support bar; 304. an eighth support bar; 501. a third connecting member; 502. a ninth support bar; 503. a tenth support bar; 504. an eleventh support bar; 801. installing a sleeve; 802. a reed; 803. a button; 804. and (7) clamping blocks.

Detailed Description

In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.

As shown in fig. 1 to 8, the folding chair frame provided in this embodiment includes a first folding frame 1, and a second folding frame 2 located on one side of the first folding frame 1, a locking device 8 for locking the frame body is installed on each of the first folding frame 1 and the second folding frame 2, the front sides of the first folding frame 1 and the second folding frame 2 are movably connected through a first connecting frame 3, the back sides of the first folding frame 1 and the second folding frame 2 are movably connected through a second connecting frame 5, the first connecting frame 3 is movably connected with a first connecting rod 6 and a second connecting rod 7 which are symmetrical to each other, a mounting box 4 is installed between the first connecting rod 6 and the second connecting rod 7, the first connecting rod 6 and the second connecting rod 7 are rotatably connected with the mounting box 4 through a first gear 9 and a second gear 10, and the first gear 9 and the second gear 10 are engaged with each other. Through the mounting box 4, first connecting rod 6, the second connecting rod 7, the setting of first gear 9 and second gear 10, can make the first gear 9 and the synchronous rotation of second gear 10 of mutual kernel through pulling mounting box 4 when folding, thereby first folding frame 1 and the 2 synchronous receipts of second folding frame are packed up, the not synchronous crooked condition of emergence about avoiding folding, through the setting of locking device 8 on first folding frame 1 and the 2 second folding frame, can lock the support body when the support body is opened, prevent that the support body is not stable enough when using.

In the present embodiment, as shown in fig. 1, 2, 3 and 4, each of the first folding frame 1 and the second folding frame 2 includes an armrest 101, a first support rod 102 is rotatably connected to one side of the armrest 101, a fourth support rod 104 is rotatably connected to the bottom of the armrest 101, a second support rod 103 is rotatably connected to one side of the fourth support rod 104, a first connecting member 106 is disposed at the middle of the first support rod 102, a first connecting sleeve 107 is disposed at one side of the first connecting member 106, a fifth support rod 105 is rotatably mounted at the inner side of the first connecting member 106, the fourth support rod 104 is rotatably connected to the fifth support rod 105 through a locking device 8, the second support rod 103 is slidably mounted at the inner side of the first connecting sleeve 107, and the bottom of the fourth support rod 104 is rotatably connected to the bottom of the first support rod 102. Through the setting of handrail 101, can make things convenient for the use of support body, through the setting of first connecting sleeve 107, can make things convenient for the slidable mounting of second bracing piece 103, through the setting of first connecting piece 106, can make things convenient for the installation of fifth bracing piece 105.

In this embodiment, as shown in fig. 1 and 6, the second connecting frame 5 includes a third connecting member 501, a ninth supporting rod 502 is rotatably mounted on an inner side of the third connecting member 501, a tenth supporting rod 503 is rotatably mounted at one end of the third connecting member 501, an eleventh supporting rod 504 is rotatably connected to the other end of the third connecting member 501, a top end of the tenth supporting rod 503 and a bottom end of the ninth supporting rod 502 are rotatably connected to the front surface of the second folding frame 2, and a bottom end of the eleventh supporting rod 504 and a top end of the ninth supporting rod 502 are rotatably connected to the front surface of the second folding frame 2. Through the setting of second link 5, can increase the stability between first folding frame 1 and the second folding frame 2, through the setting of third connecting piece 501, can make things convenient for the installation of ninth bracing piece 502, tenth bracing piece 503 and eleventh bracing piece 504.

In this embodiment, as shown in fig. 2 and 7, the first connecting frame 3 includes a second connecting member 301, a sixth supporting rod 302 is rotatably installed on the inner side of the second connecting member 301, a seventh supporting rod 303 is rotatably installed at one end of the second connecting member 301, an eighth supporting rod 304 is rotatably installed at the other end of the second connecting member 301, the first connecting rod 6 is rotatably installed on the sixth supporting rod 302, the second connecting rod 7 is rotatably installed on the seventh supporting rod 303, the top end of the seventh supporting rod 303 and the bottom end of the sixth supporting rod 302 are rotatably connected to the back surface of the first folding frame 1, and the bottom end of the eighth supporting rod 304 and the top end of the sixth supporting rod 302 are rotatably connected to the back surface of the second folding frame 2. Through the setting of first link 3, can stabilize it from the back of first folding frame 1 and second folding frame 2, through the setting of second connecting piece 301, can make things convenient for the rotation installation of sixth bracing piece 302, seventh bracing piece 303 and eighth bracing piece 304.

In this embodiment, as shown in fig. 1, fig. 2, fig. 3 and fig. 8, the locking device 8 includes a mounting sleeve 801 that is sleeved on an outer side of the fourth support bar 104, and a spring plate 802 that is mounted on an inner side of the fourth support bar 104, a latch 804 that penetrates through the fourth support bar 104 is mounted on one side of the spring plate 802, and a button 803 that is matched with the latch 804 is movably mounted on the mounting sleeve 801. Through the setting of reed 802, can conveniently pop out the outside of fourth bracing piece 104 with fixture block 804, through the setting of button 803, can conveniently press the inside of fourth bracing piece 104 with fixture block 804.

In this embodiment, as shown in fig. 1 to 8, the working process of the frame body of the folding chair provided by this embodiment is as follows:

step 1: when the folding device is used, the first folding frame 1, the second folding frame 2, the first connecting frame 3 and the mounting box 4 are pulled open, and then the fifth supporting rods 105 on the first folding frame 1 and the second folding frame 2 are pressed downwards, so that the clamping blocks 804 are ejected out of the inner parts of the fourth supporting rods 104 under the elastic action of the reeds 802;

step 2: thereby block fourth bracing piece 104 and lock whole support body, press fixture block 804 into the inside of fourth bracing piece 104 through button 803 when packing up and make the support body unblock, then stimulate mounting box 4 and make first gear 9 and second gear 10 rotation each other, extrude first folding frame 1, second folding frame 2, first link 3 and mounting box 4 when upwards carrying out the pulling mounting box 4 and can fold the support body.

To sum up, in the present embodiment, the frame body of the folding chair according to the present embodiment can facilitate the use of the frame body by the arrangement of the armrests 101, the sliding installation of the second support rod 103 by the arrangement of the first connecting sleeve 107, the installation of the fifth support rod 105 by the arrangement of the first connecting member 106, the stability between the first folding frame 1 and the second folding frame 2 by the arrangement of the second connecting member 5, the installation of the ninth support rod 502, the tenth support rod 503 and the eleventh support rod 504 by the arrangement of the third connecting member 501, the rotation installation of the sixth support rod 302, the seventh support rod 303 and the eighth support rod 304 by the arrangement of the first connecting member 3 from the back of the first folding frame 1 and the second folding frame 2, and the rotation installation of the sixth support rod 302, the seventh support rod 303 and the eighth support rod 304 by the arrangement of the spring 802, the clamping block 804 can be conveniently ejected out of the fourth supporting rod 104, and the clamping block 804 can be conveniently pressed into the fourth supporting rod 104 through the arrangement of the button 803.

The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.

Claims

1. The utility model provides a folding chair frame body, its characterized in that, including first folding frame (1), and be located second folding frame (2) of first folding frame (1) one side, first folding frame (1) with all install locking device (8) that are used for locking the support body on second folding frame (2), first folding frame (1) with the front of second folding frame (2) is through first link (3) swing joint, first folding frame (1) with the back of second folding frame (2) is through second link (5) swing joint, swing joint has first connecting rod (6) and second connecting rod (7) of mutual symmetry on first link (3), first connecting rod (6) with be equipped with mounting box (4) between second connecting rod (7), first connecting rod (6) with second connecting rod (7) respectively through first gear (9) and second gear (10) with mounting box (4) rotate even And the first gear (9) and the second gear (10) are meshed with each other.

2. The frame body of claim 1, wherein the first folding frame (1) and the second folding frame (2) each comprise an armrest (101), a first support rod (102) is rotatably connected to one side of the armrest (101), and a fourth support rod (104) is rotatably connected to the bottom of the armrest (101).

3. The frame body of a folding chair as claimed in claim 2, wherein one side of the fourth supporting rod (104) is provided with a second supporting rod (103) rotatably connected with the bottom of the armrest (101), the middle part of the first supporting rod (102) is provided with a first connecting member (106), one side of the first connecting member (106) is provided with a first connecting sleeve (107), and the inner side of the first connecting member (106) is rotatably provided with a fifth supporting rod (105).

4. A frame body of a folding chair as claimed in claim 3, characterized in that said fourth supporting bar (104) is rotatably connected with said fifth supporting bar (105) by said locking device (8), said second supporting bar (103) is slidably mounted inside said first connecting sleeve (107), and the bottom of said fourth supporting bar (104) is rotatably connected with the bottom of said first supporting bar (102).

5. The frame body of claim 4, wherein the locking device (8) comprises a mounting sleeve (801) fitted around the outer side of the fourth supporting bar (104), and a spring plate (802) mounted on the inner side of the fourth supporting bar (104).

6. The frame body of a folding chair as claimed in claim 5, wherein a latch (804) penetrating through the fourth supporting rod (104) is installed at one side of the spring plate (802), and a button (803) matched with the latch (804) is movably installed on the installation sleeve (801).

7. The frame body of a folding chair as claimed in claim 1, wherein the first connecting frame (3) comprises a second connecting member (301), a sixth supporting rod (302) is rotatably installed at the inner side of the second connecting member (301), a seventh supporting rod (303) is rotatably installed at one end of the second connecting member (301), and an eighth supporting rod (304) is rotatably installed at the other end of the second connecting member (301).

8. The frame body of claim 7, wherein the first connecting rod (6) is rotatably mounted on the sixth supporting rod (302), the second connecting rod (7) is rotatably mounted on the seventh supporting rod (303), the top end of the seventh supporting rod (303) and the bottom end of the sixth supporting rod (302) are rotatably connected to the back surface of the first folding frame (1), and the bottom end of the eighth supporting rod (304) and the top end of the sixth supporting rod (302) are rotatably connected to the back surface of the second folding frame (2).

9. The frame body of claim 1, wherein the second connecting frame (5) comprises a third connecting member (501), a ninth supporting rod (502) is rotatably installed at the inner side of the third connecting member (501), a tenth supporting rod (503) is rotatably installed at one end of the third connecting member (501), and an eleventh supporting rod (504) is rotatably connected at the other end of the third connecting member (501).

10. A foldable frame as claimed in claim 9, characterized in that the top end of the tenth support bar (503) and the bottom end of the ninth support bar (502) are pivotally connected to the front of the second folding frame (2), and the bottom end of the eleventh support bar (504) and the top end of the ninth support bar (502) are pivotally connected to the front of the second folding frame (2).