CN220384672U - Linkage side table structure and folding chair - Google Patents

Abstract

The utility model relates to a linkage side table structure and a folding chair, wherein the linkage side table structure comprises a folding chair frame and a flexible chair surface arranged on the folding chair frame, the folding chair frame comprises two groups of chair legs which are arranged in parallel, two groups of U-shaped hinging pieces which are arranged between the two groups of chair legs in an X-shaped cross way, and supporting bars which are connected with the upper parts of the chair legs and the upper parts of the U-shaped hinging pieces so as to limit the rotation angle of the U-shaped hinging pieces when the folding chair frame is opened; the outer side of at least one chair leg is connected with a side table through a linkage piece, so that the side table can be turned over and opened/closed in a linkage way when the folding chair frame changes state. The utility model enables the side table to be automatically turned on and off when the folding chair frame changes state through the arrangement of the linkage piece, and has higher social use value and application prospect.

Description

Linkage side table structure and folding chair

Technical Field

The utility model relates to the technical field of seat structures, in particular to a linkage side table structure and a folding chair.

Background

In order to meet the requirements of being convenient to carry and placing articles at the same time, folding chairs with side tables are appeared on the market, namely, the table plate is arranged on the side face of the chair, and is vertically leaned against the side of the armrests or chair legs at ordinary times, and can be turned to be horizontal and fixed when needed, so that articles such as beverages, paper pens or computers can be placed on the folding chairs.

The Chinese patent with publication number of CN203041417U discloses a folding chair and a rotatable lifting side table thereof, which comprises a side table body and a connecting mechanism for installing the side table body on the chair, wherein the connecting mechanism comprises a lifting pipe, a lifting fixing pipe and a lower locking mechanism arranged at the joint of the lifting pipe and the lifting fixing pipe, one end of the lifting pipe is connected with the side table body, and the other end of the lifting pipe is sleeved in the lifting fixing pipe and can be locked and fixed through the lower locking mechanism; the side table of the folding chair needs to be opened manually by a rider, and cannot be opened automatically, so that inconvenience is often brought when the folding chair is used.

How to improve the structure of the upper table of the chair, so that the upper table of the chair can be automatically opened and closed when the folding chair is in a changing state, namely, the folding chair is automatically turned and opened when being opened, and the folding chair is automatically turned and closed when being stored, thus the upper table of the chair becomes an important technical problem to be solved by the person skilled in the art. Therefore, we propose a linkage side table structure and a folding chair.

Disclosure of Invention

The embodiment of the application provides a linkage side table structure and folding chair to at least, solve among the prior art side table upset of folding chair and need the passenger to go on manually, unable automatic problem of opening.

The utility model provides a linkage side table structure, which comprises a folding chair frame and a flexible chair surface arranged on the folding chair frame, wherein the folding chair frame comprises two groups of chair legs which are arranged in parallel, two groups of U-shaped hinging pieces which are arranged between the two groups of chair legs in an X-shaped cross way, and supporting bars which are connected with the upper parts of the chair legs and the upper parts of the U-shaped hinging pieces so as to limit the rotation angle of the U-shaped hinging pieces when the folding chair frame is opened; the outer side of at least one chair leg is connected with a side table through a linkage piece, so that the side table can be turned over and opened/closed in a linkage way when the folding chair frame changes state.

Optionally, the linkage comprises: the head end of the turnover rod is arranged at one side of the side table close to the folding chair frame, and the tail end of the turnover rod is rotatably arranged at the upper parts of the chair legs; the three-section connecting rod consists of an upper connecting rod, a middle connecting rod and a lower connecting rod which are connected in a head-to-tail rotation way; the head end of the upper connecting rod is rotatably arranged in the middle of the bottom end of the side table, the middle of the middle connecting rod is rotatably arranged on the inner side walls of the chair legs, the tail end of the lower connecting rod is connected with the U-shaped hinging piece, so that the side table is driven to turn over and open/close along the turning rod through the movement of the U-shaped hinging piece when the folding chair frame changes state, automatic opening and closing when the folding chair changes state is realized, namely, the folding chair is automatically turned over and opened when being opened, and the folding chair is automatically turned over and closed when being stored.

Further, optionally, the number of the linkage pieces is two, and the linkage pieces are symmetrically arranged on two sides of the bottom end of the same side table respectively, so that the stability of linkage opening/closing and supporting the side table is improved.

Further, optionally, a rotating column is arranged between the middle part of the middle connecting rod and the inner wall of the chair leg, so that the movement track of the three-section connecting rod and the supporting bar is misplaced when the folding chair frame is in a changed state.

Optionally, the side table includes: a table plate; the side table frame is fixed along the edge of the table plate and connected end to end, the head end of the upper connecting rod is rotatably arranged on the side table frame, the side table frame can effectively strengthen the table plate, and the side table is convenient to assemble.

Further, optionally, a cup holder opening for positioning and placing a drinking cup is formed in the table plate, so that the positioning and placing of the drinking cup are facilitated.

Optionally, the tail end of the turning rod and the head end of the supporting bar are coaxially and rotatably arranged on the upper parts of the chair legs, and share the same rotation point, so that the arrangement of the installation point positions during the installation of the linkage side table is further reduced, and the assembly workload is reduced while the linkage movement of the side table is ensured.

On the other hand, the utility model also provides a folding chair which is provided with the linkage side table structure.

The utility model has the following advantages:

according to the utility model, through the arrangement of the linkage piece, the side table is turned over in a linkage way to be opened/closed when the folding chair frame changes state; specifically, when the folding chair is folded, the side table is changed along with the folding state, and is automatically turned over to be attached to the chair legs through the traction of the linkage piece, so that the folding chair does not occupy the folding space and is convenient to store and carry; when the folding chair is opened, the side table is changed along with the opened state, and the side table is automatically turned to a horizontal state by the traction of the linkage piece, so that the folding chair does not need to be opened manually, and is convenient for placing articles.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of the present utility model.

FIG. 2 is a schematic diagram of the structure of the present utility model.

Fig. 3 is a schematic perspective view of a second embodiment of the present utility model.

Reference numerals illustrate: the chair leg 10, the rear chair leg 101, the front chair leg 102, the reinforcing rod 103, the U-shaped hinge 20, the vertical rod section 201, the cross rod section 202, the support bar 30, the hinge terminal 301, the pin 30, the linkage 40, the flip rod 401, the upper link 402, the middle link 403, the rotating column 404, the lower link 405, the first lower link 4051, the second lower link 4052, the side table 50, the side table frame 501, the table 502, and the cup holder 503.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Example 1

Referring to fig. 1, a schematic perspective view of the present utility model is shown; referring to fig. 2, a schematic structural view of the present utility model; referring to fig. 3, a schematic perspective view of the present utility model is shown; the prior art folding chair is shown in fig. 1-3, and comprises a folding chair frame and a flexible chair surface (not shown) arranged on the folding chair frame, wherein the folding chair frame comprises two groups of parallel chair legs 10, two groups of U-shaped hinging pieces 20 which are arranged between the two groups of chair legs 10 in an X-shaped crossing way, and supporting bars 30 which are connected with the upper parts of the chair legs 10 and the upper parts of the U-shaped hinging pieces 20 so as to limit the rotation angle of the U-shaped hinging pieces 20 when the folding chair frame is opened;

more specifically, referring to fig. 1, the chair leg 10 includes: the chair comprises a rear chair leg 101, a front chair leg 102 and a reinforcing rod 103, wherein the rear chair leg 101 and the front chair leg 102 are vertically arranged, the reinforcing rod 103 is connected to the bottom side between the rear chair leg 101 and the front chair leg 102, a chair handle part 104 parallel to the reinforcing rod 103 extends after the upper end of the front chair leg 102 is bent, and the tail end of the chair handle part 104 is fixed with the rear chair leg 101; the vertical height of the rear chair legs 101 is larger than that of the front chair legs 102, and the upper parts of the two rear chair legs 101 are used for connecting the flexible backrest sleeves to form a chair backrest, so that an occupant can sit on the flexible chair surface to sit on the rear back to obtain the support of the chair backrest, and the sitting experience is better;

more specifically, referring to fig. 1 and 3, the intersecting centers of the vertical rod sections 201 of the two sets of U-shaped hinge members 20 are pivotally connected by pins; the U-shaped hinge 20 comprises a cross bar section 202, both said cross bar sections 202 together forming a frame for flexible seat mounting; the two vertical rod sections 201 are respectively integrally formed at two free ends of the cross rod section 202, and the free ends of the two vertical rod sections 201 are respectively hinged to the lower parts of the front side and the rear side of the chair leg 10; the tail ends of the two support bars 30 are respectively hinged to the upper parts of the two vertical rod sections 201, the head ends of the support bars 30 are respectively hinged to the upper parts of the front and rear inner walls of the chair legs 10, and the support bars 30 are positioned at the lower ends of the cross rod sections 202 to limit the opening angle of the two crossed U-shaped hinging pieces 20 when the folding chair frame is opened, so that the opened folding chair frame is stably erected on the ground;

referring to fig. 1, a schematic perspective view of the present utility model is shown; referring to fig. 3, a second perspective view of the present utility model is shown, and the present utility model provides a new linkage side table structure based on the existing folding chair, wherein the outer side of at least one leg 10 is connected with a side table 50 through a linkage member 40, so that the side table 50 can be turned over and opened/closed in a linkage manner when the folding chair frame is in a changed state.

In this embodiment, as shown in fig. 1 and 3, the number of the linkage members 40 is two, and the linkage members 40 are symmetrically disposed at two sides of the bottom end of the same side table 50, so as to improve the stability of the linkage opening/closing and supporting side table 50, and the linkage members 40 include: the front end of the turning rod 401 is arranged on one side of the side table 50 close to the rear chair leg 101 and the front chair leg 102, and the tail end is respectively rotatably arranged on the upper parts of the rear chair leg 101 and the front chair leg 102; the three-section connecting rod is formed by connecting an upper connecting rod 402, a middle connecting rod 403 and a lower connecting rod 405 in a head-tail rotation way; wherein, the head end of the upper connecting rod 402 is rotatably installed at the middle of the bottom end of the side table 50, the middle of the middle connecting rod 403 is rotatably installed on the inner side wall of the chair leg 10, and the tail end of the lower connecting rod 405 is connected with the U-shaped hinge member 20, so that the side table 50 is driven to turn over and open/close along the turning rod 401 by the movement of the U-shaped hinge member 20 when the folding chair frame is in a changed state;

it will be appreciated that, with reference to fig. 1, due to the front-to-back staggered arrangement of the two intersecting U-shaped hinge members 20, the lower link 405 corresponding to the U-shaped hinge member 20 on the front side needs to extend inward to a greater depth than the lower link 405 corresponding to the U-shaped hinge member 20 on the rear side during assembly, and at this time, the lower link 405 on the front side is adapted to be the first lower link 4051, the lower link 405 on the rear side is adapted to be the second lower link 4052, and the transverse bending length of the first lower link 4051 is greater than that of the second lower link 4052 so as to adapt to the symmetrical installation of the linkage member 40.

In this embodiment, taking fig. 1 as an example, in the initial state, the folding chair frame is in a folded state, and at this time, the side table 50 is attached to the outer side of the chair leg 10 under the pulling of the linkage 40; when the folding chair frame is opened, the two U-shaped hinging pieces 20 which are arranged in an X-shaped cross way are gradually opened, the three-section connecting rods arranged at the lower parts of the U-shaped hinging pieces 20 are driven to change, the side table 50 is driven to turn over 90 degrees clockwise along the turning rod 401, and when the folding chair frame is completely opened by the supporting rods 30, the side table 50 is turned to be in a horizontal state, so that a user can conveniently place articles on the side table 50.

In this embodiment, as shown in fig. 3, the side table 50 includes: a table 502; the side table frame 501 is fixed along the edge of the table plate 502 and connected end to end, and the head end of the upper connecting rod 402 is rotatably mounted on the side table frame 501, in this embodiment, the lower edge of the side table frame 501 extends out of the bottom edge of the table plate 502 and is used for mounting the head end of the upper connecting rod 402, so as to play a dual role of reinforcing the table plate 502 and facilitating the mounting; and a cup holder opening 503 for positioning and placing drinking cup is arranged on the table plate 502.

Further, in this embodiment, as shown in fig. 3, a rotating column 404 is disposed between the middle portion of the middle connecting rod 403 and the inner wall of the leg 10, so that the movement track of the three-section connecting rod and the supporting bar 30 are dislocated when the folding chair frame is in a changed state, and thus the movement track of the three-section connecting rod and the U-shaped hinge 20 are staggered when the folding chair frame is folded and unfolded, and no collision or interference occurs in the vertical direction.

In this embodiment, as shown in fig. 1 and 3, the tail end of the turning rod 401 and the head end of the supporting bar 30 are coaxially and rotatably mounted on the upper portion of the chair leg 10, and share the same rotation point, so that the mounting point setting during the installation of the linkage side table is further reduced, and the assembly workload is reduced while the linkage movement of the side table 50 is ensured.

Example 2

As shown in fig. 1 and 3, the present utility model further provides a folding chair having the above-mentioned linkage side table structure; the folding chair also comprises a folding chair frame and a flexible chair surface (not shown) arranged on the folding chair frame, wherein the folding chair frame comprises two groups of chair legs 10 which are arranged in parallel, two groups of U-shaped hinging pieces 20 which are arranged between the two groups of chair legs 10 in an X-shaped cross way, and supporting bars 30 which are connected with the upper parts of the chair legs 10 and the upper parts of the U-shaped hinging pieces 20 so as to limit the rotation angle of the U-shaped hinging pieces 20 when the folding chair frame is opened;

more specifically, referring to fig. 1, the chair leg 10 includes: the chair comprises a rear chair leg 101, a front chair leg 102 and a reinforcing rod 103, wherein the rear chair leg 101 and the front chair leg 102 are vertically arranged, the reinforcing rod 103 is connected to the bottom side between the rear chair leg 101 and the front chair leg 102, a chair handle part 104 parallel to the reinforcing rod 103 extends after the upper end of the front chair leg 102 is bent, and the tail end of the chair handle part 104 is fixed with the rear chair leg 101; the vertical height of the rear chair legs 101 is larger than that of the front chair legs 102, and the upper parts of the two rear chair legs 101 are used for connecting the flexible backrest sleeves to form a chair backrest, so that an occupant can sit on the flexible chair surface to sit on the rear back to obtain the support of the chair backrest, and the sitting experience is better;

more specifically, referring to fig. 1 and 3, the intersecting centers of the vertical rod sections 201 of the two sets of U-shaped hinge members 20 are pivotally connected by pins; the U-shaped hinge 20 comprises a cross bar section 202, both said cross bar sections 202 together forming a frame for flexible seat mounting; the two vertical rod sections 201 are respectively integrally formed at two free ends of the cross rod section 202, and the free ends of the two vertical rod sections 201 are respectively hinged to the lower parts of the front side and the rear side of the chair leg 10; the tail ends of the two support bars 30 are respectively hinged to the upper parts of the two vertical rod sections 201, the head ends of the support bars 30 are respectively hinged to the upper parts of the front and rear inner walls of the chair legs 10, and the support bars 30 are positioned at the lower ends of the cross rod sections 202 to limit the opening angle of the two crossed U-shaped hinging pieces 20 when the folding chair frame is opened, so that the opened folding chair frame is stably erected on the ground;

more specifically, hinge terminals 301 are respectively fitted over both ends of the support bar 30 to reduce hard friction between the support bar 30 and the leg 10.

Other undescribed structures refer to embodiment 1.

According to the linkage side table structure and the folding chair of the above embodiment of the present utility model, the side table 50 is turned upside down in linkage to open/close when the folding chair frame is changed by the arrangement of the linkage member 40; specifically, when the folding chair is folded, the side table 50 is changed along with the folded state, and is automatically turned over to be attached to the chair leg 10 by the traction of the linkage piece 40, so that the folded space is not occupied, and the folding chair is convenient to store and carry; when the folding chair is opened, the side table 50 is changed along with the opened state, and is automatically turned to a horizontal state by the traction of the linkage piece 40, so that the folding chair does not need to be opened manually, and is convenient for placing articles.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims (8)

1. The linkage side table structure comprises a folding chair frame and a flexible chair surface arranged on the folding chair frame, wherein the folding chair frame comprises two groups of chair legs (10) which are arranged in parallel, two groups of U-shaped hinging pieces (20) which are arranged between the two groups of chair legs (10) in an X-shaped cross manner, and supporting bars (30) which are connected to the upper parts of the chair legs (10) and the upper parts of the U-shaped hinging pieces (20) so as to limit the rotation angle of the U-shaped hinging pieces (20) when the folding chair frame is opened;

the folding chair is characterized in that the outer side of at least one chair leg (10) is connected with a side table (50) through a linkage piece (40), so that the side table (50) can be turned over and opened/closed in a linkage way when the folding chair frame changes state.

2. The ganged-side table structure of claim 1, wherein the ganged element (40) comprises:

the head end of the turnover rod (401) is arranged at one side of the side table (50) close to the folding chair frame, and the tail end of the turnover rod is rotatably arranged at the upper part of the chair leg (10);

the three-section connecting rod consists of an upper connecting rod (402), a middle connecting rod (403) and a lower connecting rod (405) which are connected in a head-tail rotation way; the front end of the upper connecting rod (402) is rotatably arranged in the middle of the bottom end of the side table (50), the middle of the middle connecting rod (403) is rotatably arranged on the inner side walls of the chair legs (10), and the tail end of the lower connecting rod (405) is connected with the U-shaped hinge piece (20) so as to drive the side table (50) to turn over and open/close along the turning rod (401) through the movement of the U-shaped hinge piece (20) when the folding chair frame changes state.

3. The ganged-side table structure of claim 2, wherein: the number of the linkage pieces (40) is two, and the linkage pieces are symmetrically arranged on two sides of the bottom end of the same side table (50).

4. The ganged-side table structure of claim 2, wherein: a rotating column (404) is arranged between the middle part of the middle connecting rod (403) and the inner wall of the chair leg (10), so that the movement track of the three-section connecting rod and the supporting bar (30) is misplaced when the folding chair frame is in a changing state.

5. The ganged side table structure of claim 2, wherein the side table (50) comprises:

a table (502);

the side table frame (501) is fixed along the edge of the table plate (502) and connected end to end, and the head end of the upper connecting rod (402) is rotatably arranged on the side table frame (501).

6. The ganged-side table structure of claim 5, wherein: the table plate (502) is provided with a cup holder opening (503) for positioning and placing a drinking cup.

7. The ganged-side table structure of claim 2, wherein: the tail end of the turnover rod (401) and the head end of the supporting bar (30) are coaxially and rotatably arranged on the upper parts of the chair legs (10).

8. A folding chair having a linked side table structure as claimed in any one of claims 1 to 7.