CN220015733U

CN220015733U - Connecting piece and folding chair frame

Info

Publication number: CN220015733U
Application number: CN202321014187.1U
Authority: CN
Inventors: 吴珍花; 朱雨辰
Original assignee: Zhangzhou Qiaoyuan Industry And Trade Co ltd
Current assignee: Zhangzhou Qiaoyuan Industry And Trade Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-11-14
Anticipated expiration: 2033-04-28

Abstract

The utility model discloses a connecting piece and a folding chair frame, wherein the connecting piece comprises two connecting rings which are integrally connected, and the two connecting rings are integrally connected through a connecting part; the axes of the two connecting rings are parallel to each other and distributed in a staggered manner along the axis direction; one connecting ring is provided with a fixing part, and the fixing part is provided with a through hole; the fixing part is provided with a positioning groove; the connecting part is formed by oppositely extending two connecting rings. The folding chair frame comprises a folding chair main body and a foot rest, wherein the foot rest is detachably assembled on the folding chair main body through a connecting piece. The connecting piece is simple in structure and convenient to install and operate; the folding chair frame is provided with the connecting piece, the structure of the foot rest is increased through the connecting piece, the foot rest is detachably connected with the folding chair main body, the use requirements under different conditions are met, the chair frame capable of providing the lying posture is extended in the original sitting posture state, the use comfort of a user is improved, and the application range of the folding chair is widened.

Description

Connecting piece and folding chair frame

Technical Field

The utility model relates to the field of connecting pieces for pipe connection, in particular to a connecting piece and a folding chair frame provided with the same.

Background

The folding chair has become an important tool for outdoor activities, and comprises a folding chair frame and a chair cloth, wherein the folding chair frame is composed of a plurality of rod bodies which are mutually matched and connected, a structure with a small volume after folding is formed, the folding chair has the advantages of light weight, small volume and the like, the chair cloth is arranged on the folding chair frame, and the folding chair frame with the chair cloth is folded or unfolded along with folding or unfolding of the folding chair frame, so that the folding chair frame with the chair cloth is formed into a structure capable of supporting a human body.

An existing folding chair frame such as the one disclosed in chinese patent application No. CN201520293822.3, which includes a seat body for supporting buttocks and a backrest portion for supporting back, but how to improve comfort feeling of a user as much as possible in use and to expand a state of relaxation of the user outdoors, the inventor envisions adding a leg support structure to the folding chair frame; however, the prior folding chairs with leg support, such as a locking structure and a folding reclining chair described in the patent number CN209171727U, are provided with foldable step supports, which are folded by frame units, and the technical proposal has the disadvantage of large volume compared with the folding chair frame.

In summary, how to reduce the folded volume as much as possible and develop a supporting structure of the detachable foot is one of the technical problems to be solved by those skilled in the art.

Disclosure of Invention

In order to solve the technical problems in the prior art, the utility model aims to provide a connecting piece and a folding chair frame assembled with the same.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

a connector comprising two integrally connected connection rings, wherein:

the two connecting rings are integrally connected through a connecting part;

the axes of the two connecting rings are parallel to each other and distributed in a staggered manner along the axis direction;

one connecting ring is provided with a fixing part, and the fixing part is provided with a through hole;

the fixing part is provided with a positioning groove;

the connecting part is formed by oppositely extending two connecting rings.

Further preferred is: the distance between the axes of the two connecting rings is larger than the diameter of the connecting rings.

Further preferred is: the two connecting rings are distributed up and down along the axis direction.

Further preferred is: and the connector is also matched with a plug connector, the plug connector is provided with a plug connection part, and the plug connection part is inserted into the connecting ring.

Further preferred is: the plug connector is also provided with a plug socket, and the plug connector is hinged with the plug socket.

Further preferred is: the socket is provided with a limiting wall;

the limiting wall is positioned in the hinge groove of the plug seat.

A folding chair frame, comprising a folding chair body and a foot rest, wherein:

the foot rest is detachably assembled on the folding chair main body through a connecting piece;

the connecting piece is the connecting piece.

Further preferred is: the folding chair main body is provided with a lower connecting seat, and the lower connecting seat is provided with a splicing hole;

one end of the foot rest is hinged with a plug connector;

one connecting ring of the connecting piece is overlapped on the inserting hole and is locked on the lower connecting seat through the fixing part;

the plug is inserted into the other connecting ring of the connector.

Further preferred is: the outer wall of the plug hole is provided with a convex strip, the convex strip slides into a positioning groove of the fixing part, and the connecting piece is locked on the lower connecting seat through a screw.

Further preferred is: the plug connector is hinged with a plug seat, and the plug seat is hinged with a foot rod of the foot rest.

After the technical scheme is adopted, compared with the background technology, the utility model has the following advantages:

the connecting piece is simple in structure, convenient to install and operate, capable of connecting two mutually parallel components, and capable of being assembled and positioned through the positioning groove of the fixing part, and is locked with one fixing piece by utilizing a through hole of a screw penetrating through the fixing part;

the folding chair frame is provided with the connecting piece, the structure of the foot rest is increased through the connecting piece, the foot rest is detachably connected with the folding chair main body, the use requirements under different conditions are met, the chair frame capable of providing the lying posture is extended in the original sitting posture state, the use comfort of a user is improved, and the application range of the folding chair is widened.

Drawings

FIG. 1 is a schematic perspective view of a connector according to an embodiment of the present utility model;

FIG. 2 is a front view of the structure of the connector according to the embodiment of the present utility model;

FIG. 3 is a side view of the structure shown in FIG. 2;

FIG. 4 is a bottom view of the structure shown in FIG. 2;

FIG. 5 is a schematic perspective view of the assembly of the connector and the plug connector according to the embodiment of the present utility model;

FIG. 6 is an exploded view of the structure shown in FIG. 5;

FIG. 7 is a schematic view illustrating the assembly of the connector, the plug and the socket according to the embodiment of the present utility model;

FIG. 8 is a schematic view showing an assembly structure of the lower connecting seat of the folding chair frame according to the embodiment of the present utility model;

FIG. 9 is a schematic view of a tripod according to an embodiment of the present utility model;

fig. 10 is a schematic view of a structure of a folding chair according to an embodiment of the present utility model.

The reference numerals in the above description are as follows:

10. a foot rest; 11. a foot bar;

20. extending the lower connecting seat; 21. a plug-in column; 22. a convex strip; 30. a backrest lower connecting seat; 40. a sliding connecting seat; 50. an upper connecting seat; 60. an X-shaped frame; 70. an adjusting seat; 71. an adjustment aperture;

100. a connecting piece; 110. a first connection ring; 120. a second connecting ring; 130. a fixing part; 131. a through hole; 132. a positioning groove; 140. a connection part;

200. a plug-in component; 210. a plug-in part;

300. a socket; 310. a hinge groove; 320. and a limiting wall.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that, in the present utility model, terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are all based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element of the present utility model must have a specific orientation, and thus should not be construed as limiting the present utility model.

Examples

As shown in fig. 1 to 4, a connector 100 has two connecting rings, the central lines of which are parallel to each other and integrally connected to form a connecting frame of a homodromous double ring.

As shown in fig. 1 to 4, each of the connection rings is used for sleeving on a target member, which may be a rod or a tube or a column, and connects the target member with an extension member, which may also be a rod or a tube or a column, that is, outside the target member, and the connection with the extension member is achieved by using the connection member 100.

As shown in fig. 1 to 4, the two connection rings may be circular rings, may be different from each other, or may not be circular rings, and the specific shape of the two connection rings may be set according to the target member and the extension member that are connected as required. In this embodiment, the two connection rings are both circular rings.

As shown in fig. 1 to 4, when the connecting rings are all circular rings, the connecting rings may be circular rings with uniform inner diameters, or circular rings with non-uniform inner diameters, that is to say: the two connecting rings are matched with the target piece and the extension piece of the sleeve; in this embodiment: the inner diameters of the two connecting rings are identical, that is, the diameters of the target piece and the extending piece sleeved by the two connecting rings are identical, the two target pieces and the extending pieces with the same diameter are connected by the two connecting rings which are connected with each other, and the axial directions of the two target pieces and the extending pieces with the same diameter are mutually parallel.

As shown in fig. 1 to 4, the two connecting rings are distributed in a staggered manner; the specific method is as follows: the two connection rings are a first connection ring 110 and a second connection ring 120, respectively, and the first connection ring 110 is higher than the second connection ring 120. The dislocation height of the two connecting rings can be set according to actual requirements. In this embodiment: the first and second connection rings 110 and 120 have a height difference in the axial direction thereof, which is half of the height of the first connection ring 110.

As shown in fig. 1 to 4, the two connecting rings are manufactured by integral injection molding, namely: the two connecting rings are integrally connected, in more detail: the two connection rings are integrally connected through the connection part 140, and the connection part 140 is formed by extending the two connection rings oppositely, so that the distance between the connection rings is larger than the diameter of the connection rings. In this embodiment: the radial straight line distance of the two connecting rings is larger than the diameter of the connecting rings.

As shown in fig. 1 to 4, any one of the connecting rings has a fixing portion 130, the fixing portion 130 is provided with a through hole 131 for penetrating a locking member, the locking member is a screw, and the locking member penetrates through the through hole 131 of the fixing portion 130 to lock the connecting member 100.

As shown in fig. 1 to 4, the fixing portion 130 is formed by extending any connecting ring along an axial direction thereof, and is disposed at a side of the connecting ring, and is provided with a through hole 131, where the through hole 131 may be a screw hole or a hole with a smooth inner wall, so as to adapt to different locking requirements. In this embodiment, the fixing portion 130 is formed by extending the first connecting ring 110 along the axial direction thereof. Preferably: the through hole 131 is a countersunk hole, namely: the through hole 131 has an inner diameter which decreases stepwise in the axial direction of the through hole 131 toward the axis direction of the connection ring.

As shown in fig. 1 to fig. 4, the fixing portion 130 is convexly disposed along the radial direction of the connection ring, and the convex design of the fixing portion 130 can allow the target piece or the extension piece sleeved in the connection ring to effectively avoid the interference between the fixing portion 130 and the target piece or the extension piece; the specific method is as follows: the fixing portion 130 has an inverted L shape, and a free end of a transverse section thereof is integrally connected with an outer wall of the connection ring, so that the fixed longitudinal section is freely hung along an axial direction of the connection ring.

As shown in fig. 1 to 4, the fixing portion 130 has a positioning groove 132, the positioning groove 132 is a groove with a U-shaped cross section, the opening of the positioning groove 132 faces the axis direction of the connecting ring, the positioning groove 132 can be matched with the protruding strip 22 for positioning, after the matching positioning, the locking piece is not used for locking and fixing, and the locking piece is a screw.

As shown in fig. 1 to 6, the connector 100 is connected to the connector 200 in a mating and plugging manner, and the connector 200 has a plug portion 210. The plug portion 210 is a cylindrical body adapted to the inner diameter of the connecting ring, and is inserted into the connecting ring. In this embodiment: the first connection ring 110 is sleeved on a target piece or an extension piece, and one end of the target piece is positioned by a plugging hole, namely: the target is inserted into the insertion hole, the first connection ring 110 is sleeved on the target, the fixing portion 130 of the first connection ring 110 is matched with the protruding strip 22 on the side wall of the insertion hole, the protruding strip 22 is provided with a locking hole, and the locking piece passes through the fixing portion 130 to be connected with the locking hole, so that the first connection ring 110 is fixedly installed; the second connection ring 120 is arranged to protrude, and the plug 200 is plugged with the second connection ring 120, and then extends out of the fixing member to obtain a corresponding function.

As shown in fig. 1 to 7, the plug 200 has a plug 200 seat, and the plug 200 is rotatably mounted on the plug 200 seat; the specific method is as follows: the plug 200 has a hollow column part, and the column part is detachably plugged with the connection ring of the connection part 140; the socket connector 200 is provided with a connecting part 140, the socket connector 200 is provided with a connecting groove, and the connecting part 140 is inserted into the connecting groove and is penetrated through by a pin shaft, so that the socket connector 200 and the socket connector 200 can rotate relatively; in more detail: the connection part 140 has a circular arc rotation guide surface, and the socket 200 rotates along the rotation guide surface with respect to the socket 200.

As shown in fig. 8 to 10, a folding chair comprises a left support group, a right support group, an X-shaped hinge body and a foot rest 10, wherein the left support group and the right support group are oppositely arranged and are connected through the X-shaped hinge member to form a folding chair body, and the foot rest 10 is detachably connected with the folding chair body through the connecting member 100.

As shown in fig. 8 to 10, the left support group and the right support group each have an X-shaped frame 60 therein, and for convenience of description and distinction, the X-shaped frames 60 in the left support group and the right support group are respectively named as a left X-shaped frame and a right X-shaped frame.

As shown in fig. 10, the left support group includes a left guide rod, a left X-shaped frame, a left grab bar, and a left telescopic bar, wherein the upper end and the lower end of one side of the left X-shaped frame are respectively hinged with the upper connecting seat 50 and the lower connecting seat, and the upper end and the lower end of the other side of the left X-shaped frame are hinged with the sliding connecting seat 40 and the lower connecting seat; the left telescopic rod is arranged at one side of the left X-shaped frame, the lower end of the left telescopic rod is fixed on the lower connecting seat, and the upper end of the left telescopic rod is fixed on the upper connecting seat 50; the left X-shaped frame is composed of two X-shaped hinged rod bodies, one rod body is an adjusting rod, the left X-shaped frame can be rotatably adjusted by taking the middle hinge rod as an axis, and the left telescopic rod adjusts the height along with the rotation of the left X-shaped frame, namely: the left telescopic rod is adjusted in a telescopic way along with the rotary adjustment of the left X-shaped frame, so that the aim of adapting the interval between the upper connecting seat 50 and the lower connecting seat is fulfilled; the left guide rod is arranged on the other side of the left X-shaped frame, penetrates through the sliding connecting seat 40 and is connected with an adjustable rod of the adjustable left X-shaped frame, the left guide rod is a long rod, the sliding connecting seat 40 can slide and displace along the axial direction of the left guide rod, the lower end of the left guide rod is provided with the adjusting seat 70, and the adjusting seat 70 is inserted into an adjusting hole 71 on the adjustable rod through an adjusting bolt, so that the adjusting rod can be axially adjusted according to the requirement of a user; the left grab rail is fixed on the outer side of the left X-shaped frame, namely: the left grab rail is fixed on the left X-shaped frame and is arranged far away from the right support group.

As shown in fig. 10, the right support group includes a right guide rod, a right X-shaped frame, a right grab bar and a right telescopic bar, wherein the upper end and the lower end of one side of the right X-shaped frame are respectively hinged with the upper connecting seat 50 and the lower connecting seat, and the upper end and the lower end of the other side of the right X-shaped frame are hinged with the sliding connecting seat 40 and the lower connecting seat; the right telescopic rod is arranged at one side of the right X-shaped frame, the lower end of the right telescopic rod is fixed on the lower connecting seat, and the upper end of the right telescopic rod is fixed on the upper connecting seat 50; the right X-shaped frame is composed of two X-shaped hinged rod bodies, wherein one rod body is an adjusting rod, the right X-shaped frame can be rotatably adjusted by taking the middle hinge rod as an axis, and the right telescopic rod adjusts the height along with the rotation of the right X-shaped frame, namely: the right telescopic rod is adjusted in a telescopic way along with the rotary adjustment of the right X-shaped frame, so that the aim of adapting the interval between the upper connecting seat 50 and the lower connecting seat is fulfilled; the right guide rod is arranged on the other side of the right X-shaped frame, penetrates through the sliding connecting seat 40 and is connected with an adjustable rod of the right X-shaped frame, the right guide rod is a long rod, the sliding connecting seat 40 can slide and displace along the axial direction of the right guide rod, the lower part of the right guide rod is provided with the adjusting seat 70, and the adjusting seat 70 is inserted into an adjusting hole 71 on the adjusting rod through an adjusting bolt, so that the adjusting rod can be axially adjusted according to the requirement of a user; the right grab rail is fixed on the outer side of the right X-shaped frame, namely: the right grab rail is fixed on the right X-shaped frame and is arranged far away from the right support group.

The upper end and the lower end of one side of the X-shaped hinge body are respectively hinged with the sliding connecting seat 40 and the lower connecting seat of the left supporting group and the right supporting group, and the upper end and the lower end of the other side of the X-shaped hinge body are respectively hinged with the upper connecting seat 50 and the lower connecting seat of the left supporting group and the right supporting group. The specific method is as follows: the number of the X-shaped hinge bodies is two, the two X-shaped hinge bodies are distributed front and back, the left support group and the right support group are connected through the two X-shaped hinge bodies, the upper end and the lower end of one side of each X-shaped hinge body are respectively hinged with the sliding connecting seat 40 and the lower connecting seat of the left support group and the right support group, and the upper end and the lower end of the other side of the X-shaped hinge body are respectively hinged with the upper connecting seat 50 and the lower connecting seat of the left support group and the right support group.

One of the two X-shaped hinge bodies is a front X-shaped hinge body, the front X-shaped hinge body is formed by hinging two front grab bars, one end of each front grab bar, which is close to the upper connecting seat 50, is a handrail end, and the handrail end extends outwards of the folding chair frame and is bent, so that a handrail structure which is convenient for a user to sit down and sit up is formed.

As shown in connection with fig. 8 to 9, the lower socket is equipped with the above-mentioned connector 100. The lower connecting seat is provided with a convex inserting column 21, the inserting column 21 is a hollow body, an inserting hole is formed in the inserting column 21, the inserting hole is used for inserting a telescopic rod, and the telescopic rod can be the left telescopic rod or the right telescopic rod; the side wall of the plug post 21 is provided with a convex strip 22, the fixing part 130 of the connecting piece 100 is clamped with the convex table, so that the fixing part 130 is positioned, the first connecting ring 110 is sleeved on the telescopic rod and props against the plug post 21, one end of the foot rest 10 is provided with a plug piece 200, and the plug piece 200 is arranged on two lower connecting seats of the left supporting group and the right supporting group. Preferably: the bottom surface of lower connecting seat has anti-skidding bump, anti-skidding bump is covered with the bottom surface of lower connecting seat.

Referring to fig. 8 to 10, the stand 10 is in an X shape and is formed by hinging the middle parts of two foot bars 11, wherein the socket 300 is mounted at one end of each foot bar 11, and the socket 300 is rotatably connected with the socket 200. The socket 300 may be fixed at one end of the foot bar 11 or rotatably mounted at one end of the hinge through a pin shaft; in this embodiment: the foot lever 11 is rotatably connected with the socket 300, namely: one end of the foot rod 11 is provided with a pin shaft in a penetrating way, and the pin shaft is also provided with the plug connector 200 in a penetrating way, so that the foot rod 11 is rotatably connected with the plug connector 300, and the plug connector 300 is rotatably connected with the plug connector 200.

It should be noted that: as shown in fig. 8 to 10, the socket 300 is hinged at the end of the foot bar 11, specifically: one end of the foot bar 11 extends into the hinge slot 310 of the socket 300 and is hinged by a pin, namely: the foot bar 11 can relatively rotate in the hinge slot 310 relative to the plug-in connection, one side of the hinge slot 310 is provided with a limiting wall 320, and the limiting wall 320 is arranged at one end of the hinge slot 310, namely above the rotating track of the foot bar 11, so as to limit the rotating displacement of the foot bar 11 and the plug-in connection; when the foot bar 11 is inserted into the connector 100 through the connector 200, it is preferable that: the limiting arm is disposed below the foot bar 11 to support the foot bar 11 drooping due to gravity, thereby limiting the foot bar 11, i.e. limiting the position of the foot stand 10.

As shown in fig. 8 to 10, four lower connecting seats are provided in the folding chair frame, the four lower connecting seats have two lower backrest connecting seats 30, and the lower backrest connecting seats 30 are arranged close to the left guide rod and the right guide rod of the folding chair frame; the remaining two lower connecting seats are extending lower connecting seats 20, and the two extending lower connecting seats 20 are detachably connected with the two foot bars 11 of the foot stool 10 through the connecting piece 100, namely: on the basis of the original folding chair frame, a foot rest 10 which is suitable for effectively supporting the legs and feet of a human body is extended.

In this embodiment: as shown in fig. 8 to 10, the connector 100 is disposed on the plug post 21 of each of the extended lower connector holders 20, that is: the fixing portion 130 of the connector 100 is clamped with the boss of the plug-in post 21, and a screw penetrates through the fixing portion 130 to be locked with the boss, so as to lock the connector 100 on the extended lower connecting seat; the first connection ring 110 of the connection member 100 is sleeved on the telescopic rod (the telescopic rod is the left telescopic rod or the right telescopic rod) and abuts against the plug-in post 21; the second connection ring 120 of the connection member 100 protrudes away from the X-shaped hinge, and the plug-in units 200 at the ends of the two foot bars 11 of the stand 10 are inserted into the second connection ring 120 to limit the stand 10, so that the stand 10 and the folding chair body can be detachably connected, in other words, the stand 10 extends out of the folding chair body to support the legs and feet of the user, thereby improving the comfort of the user during use and providing the user with more posture options including sitting posture and lying posture.

It should be noted that: as shown in fig. 10, in this embodiment, the foot stand 10 is only used to implement positioning of the foot stand 10 by matching the plug-in connector 200 with the connector 100, and when the foot stand 10 needs to achieve the supporting effect, the foot stand 10 also needs to be matched with the folding chair cloth to perform tension limitation, so as to provide sufficient supporting force for the user.

The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.

Claims

1. Connecting piece, its characterized in that: it includes two go-between of an organic whole connection, wherein:

the two connecting rings are integrally connected through a connecting part;

the fixing part is provided with a positioning groove;

the connecting part is formed by oppositely extending two connecting rings.

2. A connector as claimed in claim 1, wherein: the distance between the axes of the two connecting rings is larger than the diameter of the connecting rings.

3. A connector as claimed in claim 1, wherein: the two connecting rings are distributed up and down along the axis direction.

4. A connector as claimed in claim 1, wherein: and the connector is also matched with a plug connector, the plug connector is provided with a plug connection part, and the plug connection part is inserted into the connecting ring.

5. The connector of claim 4, wherein: the plug connector is also provided with a plug socket, and the plug connector is hinged with the plug socket.

6. The connector of claim 5, wherein: the socket is provided with a limiting wall;

the limiting wall is positioned in the hinge groove of the plug seat.

7. Folding chair frame, its characterized in that: it includes folding chair main part and foot rest, wherein:

the connector is the connector of any one of claims 1 to 6.

8. The folding chair as in claim 7, wherein: the folding chair main body is provided with a lower connecting seat, and the lower connecting seat is provided with a splicing hole;

one end of the foot rest is hinged with a plug connector;

the plug is inserted into the other connecting ring of the connector.

9. The folding chair as in claim 8, wherein: the outer wall of the plug hole is provided with a convex strip, the convex strip slides into a positioning groove of the fixing part, and the connecting piece is locked on the lower connecting seat through a screw.

10. The folding chair as in claim 8, wherein: the plug connector is hinged with a plug seat, and the plug seat is hinged with a foot rod of the foot rest.