CN209474119U - Chair with tilting legs - Google Patents

Abstract

The utility model relates to a foot raising chair, a back-rest pipe fitting is pivoted and combined at the rear part of a seat cushion pipe fitting of a chair body, a pressure cylinder is utilized to control the back-rest pipe fitting to adjust the use angle at the rear part of the seat cushion pipe fitting, and a foot raising part is combined and arranged at the bottom end of the seat cushion pipe fitting by a connecting seat, the foot raising part can be automatically unfolded forwards when a user sits on the chair body, and can be automatically folded downwards when the user stands up; therefore, when a user sits on the chair body, the backrest pipe can be conveniently adjusted in the rear of the seat cushion pipe, the tilting feet can be unfolded outwards by matching, the user can comfortably lean on the tilting feet to sit on the chair body, and the user can feel more comfortable.

Description

foot chair

technical field

The utility model relates to a leg chair, in particular to a chair that allows users to ride more comfortably, even for taller users, can have a deeper use depth, and can obtain better chairs. It is a foot chair with more practical and functional characteristics in its overall implementation and use.

Background technique

With the rapid development of the economy, people's life is rich and their consumption ability is improved, so that the people will start to pursue various appliances that are more comfortable and convenient in life. It is only for people to ride, but also because people pay more and more attention to the improvement of material living conditions, coupled with the evolution of industrial technology, the chairs gradually have various changes, not only have various appearances Design, and have different form designs according to different use requirements, so that the chair can be more ergonomic and allow users to obtain better comfort.

However, looking at all kinds of chairs on the market, although they can achieve the expected effect of allowing users to ride and obtain better comfort, it is also found in the actual operation and use that such chairs are generally only for simple adjustment. The inclination angle of the back of the chair does not allow the user to lie on the chair with his feet flat and completely comfortable, resulting in extremely limited comfort in use, which still has defects in the overall structural design. room for improvement.

Therefore, in view of this, the designer has been adhering to many years of rich experience in design, development and actual production in this related industry, researched and improved the existing deficiencies, and provided a kind of leg chair, in order to achieve the goal of better practical value.

Utility model content

The purpose of this utility model is to provide a kind of chair with raised feet, which can allow the user to sit on the chair body, not only allow the user to lean on the pipe fitting behind the seat cushion pipe fitting to facilitate adjustment of the use angle, but also to adjust the use angle with the raised feet facing outwards. It can be unfolded so that the user's feet can rest comfortably on the upturned part, so that the user can sit on the chair body more comfortably, and even a taller user can have a deeper use depth , can obtain a better sense of comfort in use, and increase the practical effect characteristics in its overall implementation and use.

The purpose and effect of the utility model chair with legs upright are achieved by the following specific technical means:

A leg chair, wherein, the leg chair includes a chair body, a connecting seat and a leg part; wherein:

The chair body is provided with a seat cushion pipe fitting, and a corresponding assembly portion is provided at the bottom rear end of the seat cushion pipe fitting, and a joint portion is formed at the middle position of the bottom of the seat cushion pipe fitting, and the seat cushion pipe fitting The front end of the bottom of the bottom is provided with a corresponding assembly part, and the rear of the seat cushion pipe fitting is provided with a backrest pipe fitting. The middle position of the bottom end of the backrest pipe fitting corresponds to the joint part to form a joint groove, and the seat cushion pipe fitting There is a pressure cylinder below, and the pressure cylinder group is set between the joint part of the seat cushion pipe and the joint groove of the back pipe, and a control part is connected to the pressure cylinder, and the control part can control the pressure. cylinder operation;

The connecting seat is arranged below the seat cushion pipe of the chair body, and the rear end of the connecting seat is pivotally connected with the assembly part at the bottom rear end of the seat cushion pipe of the chair body through a connecting piece. The front end of the connecting seat is pivotally connected to the assembly part at the bottom front end of the seat cushion pipe through a connecting rod, and the connecting seat can move relatively below the seat cushion pipe, and the rear end of the connecting seat is connected to the connecting rod. Compression elastic elements are arranged between;

The cocked leg can be folded under the connecting seat, and an assembly frame is provided on the cocked leg, and a connecting portion is formed at the rear end of the assembling frame, and the connecting portion is connected to the chair body through the connecting piece. The assembly part of the bottom front end of the seat cushion pipe is pivotally connected, the connecting part is pivotally connected with the front end of the connecting seat, and a tensile elastic element is arranged between the connecting part of the assembly frame and the connecting seat .

In a preferred embodiment of the utility model chair with legs upright, there are corresponding sockets on both sides of the rear end of the seat cushion pipe, an elastic buckle is provided on the socket, and the back rests against the bottom of the pipe. The socket on both sides of the end corresponding to the two sides of the seat cushion pipe is pivotally provided with a back insert, and the back insert is inserted and combined in the socket, and the back insert is fastened and fixed by the elastic buckle .

In a preferred embodiment of the utility model chair with a raised foot, the backrest pipe is composed of a lower pipe and an upper pipe which are pivotally connected through a pivot joint, and the back insert is pivotally arranged on both sides of the bottom of the lower pipe. The back insert is pivotally combined with the first end of a connecting rod, the second end of the connecting rod is pivotally combined with the upper pipe, and the assembly groove is formed in the middle of the bottom of the lower pipe.

In a preferred embodiment of the utility model chair with legs upright, wherein, the upper end of the backrest pipe fitting is correspondingly connected with a headrest pipe fitting, and the backrest pipe fitting and the headrest pipe fitting are connected and combined through a connecting piece, and are connected to the connecting piece A rotating part is formed at the middle position, and the headrest pipe part can be bent and adjusted on the backrest pipe part through the rotating part.

In a preferred embodiment of the utility model with a raised foot, the pressure cylinder is an oil pressure cylinder or a pneumatic cylinder.

In a preferred embodiment of the utility model of the leg chair, wherein, the connecting seat is provided with a limit pin corresponding to the connecting piece, and the limiting pin limits the moving angle of the connecting piece.

In a preferred embodiment of the utility model chair with a raised foot, wherein, the raised foot portion is provided with a cross bar in the middle of the assembly frame, and a foot plate is set movable outside the assembly frame, and the cross bar of the assembly frame is One side of the rod is pivotally combined with the first end of a first linkage rod, the second end of the first linkage rod is provided with a first slotted hole, and the second end of the first linkage rod is connected to the The foot plate is movably pivotally combined, and a second linkage rod is provided corresponding to the first linkage rod. The first end of the second linkage rod is provided with a second long slot hole, and the first end of the second linkage rod One end is movably pivotally connected to the middle position of the first linkage rod, the middle position of the second linkage rod is pivotally connected to the middle position of the cross bar, and the second end of the second linkage rod is connected to a The first end of the universal joint and the second end of the universal joint are connected and assembled at the middle position of the front end of the connecting seat.

Compared with the existing structure, the utility model mainly allows the user to sit on the chair body, not only allows the user to lean on the pipe fittings behind the seat cushion pipe fittings to facilitate adjustment of the use angle, but also to adjust the use angle with the legs The part is spread outwards, so that the user's feet can rest comfortably on the upturned part, so that the user can be more comfortable when sitting on the chair body, and even a taller user can have a more comfortable seat. The deep use depth can obtain better use comfort, and it has more practical and functional characteristics in its overall implementation and use.

Description of drawings

The following drawings are only intended to illustrate and explain the utility model schematically, and do not limit the scope of the utility model. in:

Fig. 1 is the three-dimensional structure schematic diagram of the present utility model;

Fig. 2 is a side view structural representation of the utility model;

Fig. 3 is a schematic diagram of the retracted state of the tilted feet of the utility model;

Fig. 4 is a schematic diagram of the protruding state of the tilted feet of the utility model;

Fig. 5 is a schematic diagram of the three-dimensional structure of the utility model in use;

Fig. 6 is a schematic diagram of the adjustment action of the compression cylinder of the utility model;

Fig. 7 is a schematic diagram of the extension adjustment action of the pressure cylinder of the present invention.

Explanation of reference numbers:

1 chair body

11 seat cushion fittings

111 Assembly part

112 junction

113 Organization Department

114 Socket

115 elastic buckle

12 Back against fittings

121 lower fitting

122 upper fitting

123 Pivot joint

124 back insert

125 connecting rod

126 gang slots

13 headrest fittings

14 connectors

141 Rotating part

15 cylinder

151 Controls

2 connecting seat

21 connecting piece

22 connecting rod

23 limit pin

24 Compression elastic elements

3 Warped feet

31 sets of racks

311 connection part

312 cross bar

32 connecting piece

33 toe plate

34 First connecting rod

341 First slotted hole

35 Second connecting rod

351 Second slotted hole

36 universal adapter

37 Stretch Elastic Elements

Detailed ways

In order to have a more complete and clear disclosure of the technical content used in the utility model, the purpose of the utility model and the effects achieved, the detailed description will be given below, and please also refer to the disclosed drawings and figure numbers:

First of all, please refer to Fig. 1 for the three-dimensional structural diagram of the utility model and Fig. 2 for the side view structural diagram of the utility model, the utility model mainly includes a chair body 1, a connecting seat 2 and a raised foot part 3; wherein:

The chair body 1 is provided with a seat cushion pipe fitting 11, a corresponding assembly portion 111 is provided at the bottom rear end of the seat cushion pipe fitting 11, and a joint portion 112 is formed at the middle position of the bottom of the seat cushion pipe fitting 11, In addition, a corresponding assembly part 113 is provided at the front end of the bottom of the seat cushion pipe fitting 11, and corresponding socket sockets 114 are provided on both sides of the rear end of the seat cushion pipe fitting 11, and elastic sockets 114 are combined on the socket socket 114. Buckle piece 115 is provided with backing pipe fitting 12 corresponding to the back of seat cushion pipe fitting 11; The side corresponding to the socket 114 on both sides of the seat cushion pipe 11 is pivotally provided with a back insert 124, which is used for the socket to be combined in the socket 114, and the elastic buckle 115 is used to connect the back The inserting piece 124 is fastened and fixed, and the back inserting piece 124 is pivotally combined with the first end of a connecting rod 125, and the second end of the connecting rod 125 is pivotally combined with the upper pipe member 122, at the bottom of the lower pipe member 121. The middle position of the end is formed with a joint groove 126 corresponding to the joint part 112; in addition, a headrest pipe fitting 13 is connected to the upper end of the backrest pipe fitting 12, and the backrest pipe fitting 12 and the headrest pipe fitting 13 are connected by a connecting piece 14. Connect and combine, and form a rotating part 141 at the middle position of the connecting piece 14, so that the headrest pipe piece 13 can be bent and adjusted on the backrest pipe piece 12; and a pressure cylinder 15 is provided under the seat cushion pipe piece 11 The pressure cylinder 15 can be a hydraulic cylinder or a pneumatic cylinder, so that the pressure cylinder 15 is assembled between the joint portion 112 of the seat cushion pipe 11 and the assembly groove 126 of the backrest pipe 12, and on the The pressure cylinder 15 is connected with a control member 151 , so that the operation of the pressure cylinder 15 can be controlled by the control member 151 .

The connecting seat 2 is arranged under the seat cushion pipe 11 of the chair body 1, and the rear end of the connecting seat 2 is connected with the bottom rear end of the seat cushion pipe 11 of the chair body 1 by a connecting piece 21. Part 111 is pivotally connected, and at the front end of the connecting seat 2, a connecting rod 22 is pivotally connected to the assembly part 113 at the bottom front end of the seat cushion pipe 11, so that the connecting seat 2 can be placed under the seat cushion pipe 11. To move relatively, the connecting seat 2 is provided with a limit pin 23 corresponding to the connecting piece 21, and the moving angle of the connecting piece 21 is limited by the limit pin 23. There is a compressive elastic element 24 .

The crooked leg 3, please refer to Fig. 3 for the contracted state of the crooked leg of the utility model and Fig. 4 for the protruding state of the crooked leg of the utility model, which is normally folded on the connecting seat 2, a connecting frame 31 is provided on the foot part 3, and a connecting part 311 is formed at the rear end of the connecting frame 31. In the connecting part 311, the connecting piece 32 and the seat cushion pipe of the chair body 1 are used. 11. The assembly part 113 at the front end of the bottom is pivotally connected, and at the same time, the connecting part 311 is pivotally connected with the front end of the connecting seat 2. A cross bar 312 is arranged in the middle of the assembly frame 31. 31. The outer movable sleeve is provided with a foot plate 33, and is also provided with a first linkage rod 34. The first end of the first linkage rod 34 is pivotally combined with one side of the cross bar 312 of the assembly frame 31. The first The second end of the linkage rod 34 is provided with a first slotted hole 341 which is pivotably connected with the foot plate 33, and corresponding to the first linkage rod 34 is provided with a second linkage rod 35, which is The first end is provided with a second slotted hole 351 which is pivotally connected with the middle position of the first linkage rod 34, and the middle position of the second linkage rod 35 is pivotally connected with the middle position of the cross bar 312. The second end of the two linkage rods 35 is then connected to the first end of a universal connecting rod 36, and the second end of the universal connecting rod 36 is connected and assembled at the middle position of the front end of the connecting seat 2, and then connected to the connecting frame 31. A tensile elastic element 37 is disposed between the connecting portion 311 and the connecting base 2 .

In this way, please refer to FIG. 5 for the schematic diagram of the three-dimensional structure of the utility model in use. It is when the user sits on the seat cushion tube 11 of the chair body 1 and the user's back presses backward. When relying on the backrest pipe fitting 12, because the bottom end of the connecting seat 2 below the seat cushion pipe fitting 11 is assembled with the chair legs, the connecting seat 2 is in a fixed state. The back of the user presses against and moves backward, and the seat cushion pipe 11 combined with the backrest pipe 12 will be driven backward to move, and the backward movement of the seat cushion pipe 11 is limited by the connecting piece 21 Restricted by the pin 23, during the backward movement of the seat cushion tube 11, the compression elastic element 24 will be compressed, and the connecting piece 32 of the tilted foot portion 3 will move backward, so that the connecting piece 32 will drive the The assembly frame 31 and the foot plate 33 are rotated and protruded toward the front end of the seat cushion pipe 11. During the rotation and extension process of the assembly frame 31 and the foot plate 33, the tensile elastic element 37 will be stretched, and the The universal connecting rod 36 pulls the second end of the second linkage rod 35 toward the connection seat 2, and the first end of the second linkage rod 35 will move the first linkage rod 34 toward the connection seat. 2. Push in the opposite direction, so that the foot plate 33, which is movably and pivotally combined with the second end of the first linkage rod 34, protrudes outward accordingly, which is convenient for the user's feet to rest on.

At this time, if the user uses the control member 151 to control the operation of the pressure cylinder 15 to contract the pressure cylinder 15, the pressure cylinder 15 will pull the bottom of the lower pipe 121 that is backed against the pipe 12 forward, and The upper pipe 122 will be restricted by the pulling of the connecting rod 125 to be in a forward leaning state (please refer to Fig. 6 as shown in the schematic diagram of the compression adjustment action of the pressure cylinder of the present utility model); When the cylinder 15 is stretched out, the pressure cylinder 15 will push the bottom of the lower pipe 121 back against the pipe 12 backwards, so that the lower pipe 121 is tilted forward. At this time, the upper pipe 122 will be supported by the connecting rod 125 The pulling limit is in a reclining state (please also refer to Fig. 7 for the schematic diagram of the adjustment action of the cylinder extension of the utility model), so as to facilitate the user to adjust the backrest pipe fitting 12 according to different usage requirements.

When the user stands up, the compression elastic element 24 and the tension elastic element 37 will reset, and the seat cushion of the chair body 1 will The pipe fitting 11 and the back against the pipe fitting 12 move forward, allowing the connecting piece 32 to drive the assembly frame 31 and the foot plate 33 to fold under the connecting seat 2, and during the folding process, the foot plate 33 moves toward the The assembly frame 31 shrinks, and the whole returns to its original shape.

Through the above, the composition and use of the structure of the utility model can be seen. Compared with the existing structure, the utility model mainly allows the user to sit on the chair body, not only to let the back rest The pipe fittings behind the seat cushion pipe fittings are convenient for adjusting the use angle. At the same time, the legs are extended outwards so that the user's feet can rest comfortably on the legs, so that the user can sit on the chair body more comfortably. Comfort, even for taller users, can have a deeper use depth, which can obtain better use comfort, and more practical and functional characteristics in its overall implementation and use.

The above descriptions are only illustrative specific implementations of the present utility model, and are not intended to limit the scope of the present utility model. Any equivalent changes and modifications made by those skilled in the art without departing from the concept and principle of the present utility model shall fall within the protection scope of the present utility model.

Claims (7)

1. A leg chair, characterized in that, the leg chair includes a chair body, a connecting seat and a leg portion; wherein: The chair body is provided with a seat cushion pipe fitting, and a corresponding assembly portion is provided at the bottom rear end of the seat cushion pipe fitting, and a joint portion is formed at the middle position of the bottom of the seat cushion pipe fitting, and is located at the bottom of the seat cushion pipe fitting. The front end of the bottom of the seat cushion pipe fitting is provided with a corresponding assembly part, and the back of the seat cushion pipe fitting is provided with a backrest pipe fitting, and the middle position of the bottom end of the backrest pipe fitting is formed with an assembly groove corresponding to the joint part , a press cylinder is provided below the seat cushion pipe fitting, and the press cylinder group is arranged between the joint part of the seat cushion pipe fitting and the assembly groove of the backrest pipe fitting, and in the The pressure cylinder is connected with a control part, and the control part can control the operation of the pressure cylinder; The connecting seat is arranged below the seat cushion pipe of the chair body, and the rear end of the connecting seat is connected to the bottom rear end of the seat cushion pipe of the chair body through a connecting piece. The front end of the connecting seat is pivotally connected with the assembly part of the bottom front end of the seat cushion pipe through a connecting rod, and the connecting seat can be opposite to the seat below the seat cushion pipe. The pad pipe moves, and a compression elastic element is arranged between the rear end of the connecting seat and the connecting rod; The tilted feet can be folded under the connecting seat, an assembly frame is provided on the tilted feet, and a connecting portion is formed at the rear end of the assembly frame, and the connecting portion is connected with the connecting piece through the connecting piece. The assembly part of the bottom front end of the seat cushion pipe of the chair body is pivotally connected, and the connecting part is pivotally connected with the front end of the connecting seat. A tension elastic element is arranged between the connecting seat and the connecting seat. 2. The foot chair according to claim 1, characterized in that, the two sides of the rear end of the seat cushion pipe are provided with corresponding sockets, and an elastic buckle is provided in combination with the sockets, so that The two sides of the bottom end of the backrest tube corresponding to the two sides of the seat cushion tube are pivotally provided with back inserts, and the back inserts are inserted and combined in the socket, and pass through the The elastic buckle is buckled to fix the back insert. 3. The foot chair according to claim 2, characterized in that, the backrest pipe is composed of a lower pipe and an upper pipe which are pivotally connected through pivot joints, and are pivotally arranged on both sides of the bottom end of the lower pipe There is the back insertion piece, the back insertion piece is pivotally combined with the first end of a connecting rod, the second end of the connecting rod is pivotally combined with the upper pipe part, and is in the middle of the bottom end of the lower pipe part The position is formed with the assembly groove. 4. The foot chair according to claim 1, 2 or 3, characterized in that, the upper end of the backrest pipe is connected with a headrest pipe, and the backrest pipe and the headrest pipe are connected by The pieces are connected and combined, and a rotating part is formed at the middle position of the connecting part, and the headrest pipe part can be bent and adjusted on the backrest pipe part through the rotating part. 5. The foot chair according to claim 1, wherein the pressure cylinder is a hydraulic cylinder or a pneumatic cylinder. 6 . The foot chair according to claim 1 , wherein the connecting seat is provided with a limit pin corresponding to the connecting piece, and the limiting pin can limit the moving angle of the connecting piece. 7 . 7. The foot chair according to claim 1, characterized in that, the foot part is provided with a cross bar in the middle of the assembly frame, and a foot plate is movable cover outside the assembly frame, so that One side of the cross bar of the assembly frame is pivotally combined with the first end of a first linkage rod, the second end of the first linkage rod is provided with a first long slot hole, and the first linkage rod The second end of a linkage rod is pivotably combined with the said foot plate, a second linkage rod is provided corresponding to the first linkage rod, and a second length is provided at the first end of the second linkage rod. slot hole, and the first end of the second linkage rod is movably pivotally combined with the middle position of the first linkage rod, and the middle position of the second linkage rod is the same as the middle position of the cross bar. Pivot connection, the second end of the second linkage rod is connected to the first end of a universal joint rod, and the second end of the universal joint rod is connected and assembled at the middle position of the front end of the connecting seat.