CN222968184U

CN222968184U - Auditorium chair with synchronous seat and back linkage

Info

Publication number: CN222968184U
Application number: CN202422366113.5U
Authority: CN
Inventors: 邓小雯
Original assignee: Guangdong Jinglong Smart Home Technology Co ltd
Current assignee: Guangdong Jinglong Smart Home Technology Co ltd
Priority date: 2024-09-26
Filing date: 2024-09-26
Publication date: 2025-06-13
Anticipated expiration: 2034-09-26

Abstract

The utility model provides a seat-back synchronous linkage auditorium chair which comprises a bottom plate, wherein an armrest is fixedly arranged on the top surface of the bottom plate, a fixed shaft and a connecting shaft are respectively and fixedly connected to the side wall of the armrest, a first sleeve shaft is rotationally connected to the surface of the fixed shaft, the fixed shaft is connected with the first sleeve shaft through a torsion spring, the first sleeve shaft is fixedly connected with the bottom of a seat cushion, the bottom of the seat cushion is fixedly connected with a guide rod, and the end part of the first sleeve shaft is movably connected with the guide rod through a linkage mechanism. The seat cushion, the backrest and the armrests are arranged to form the auditorium chair, the folding operation of the backrest and the armrests can be carried out when the seat cushion is used, the width between adjacent rows of the auditorium chair can be increased, the linkage mechanism is arranged between the backrest and the armrests, the backrest can be synchronously folded when the seat cushion is stored, the seat cushion is convenient to operate rapidly, the use convenience of the auditorium chair is improved, the limiting shafts are arranged to limit the seat and the backrest, the folding problem of the auditorium chair in the use process can be prevented, and the use performance of the auditorium chair is improved.

Description

Auditorium chair with synchronous seat and back linkage

Technical Field

The utility model relates to an auditorium chair with synchronous seat and back linkage, and belongs to the technical field of auditorium chairs.

Background

The auditorium chair is a chair specially designed for places such as auditoriums, movie theaters, auditoriums, reporting halls and the like, and the auditorium chair not only has basic chair seats, chair backs, armrests, standing legs and other components, but also is often added with some practical configurations so as to meet the requirements of different places, and the standing legs and the armrests are usually integrated into a whole to form a firmly-installed armrest frame. The composition structure is generally steel-wood structure, steel-plastic structure or aluminum-wood structure to ensure the stability and durability of the seat, the materials of the auditorium chair are various, and common materials include plastics, wood, cloth arts, stainless steel and the like. The auditorium chairs made of different materials have the characteristics of appearance, comfort and durability, and are widely applied to various occasions needing centralized seating, such as auditoriums, theatres, auditoriums, reporting halls, ladder classrooms, meeting rooms and the like. They not only provide a comfortable seating experience for the spectator, but also promote the overall use of the venue through practical configuration and humanized design.

The auditorium chair mostly comprises chair seat, back of the chair, handrail, tablet and five parts of standing foot, in order to obtain bigger space between the adjacent row of current auditorium chair, designs seat and back of the chair into collapsible generally, but usually both are the individual operation, when carrying out in-service use, need open seat and back of the chair in proper order and use, are difficult for accomodating seat and back of the chair simultaneously after using, reduce the inconvenient problem of auditorium chair use.

Disclosure of utility model

The utility model provides an auditorium chair with synchronously linked seat backs, which aims to solve the technical problem that the seat backs and the auditorium chairs are not easy to synchronously store.

The utility model solves the technical problems by the following technical proposal:

the utility model provides an auditorium chair with synchronous seat and back linkage, which comprises:

The bottom plate, bottom plate top surface fixed mounting has the handrail, handrail lateral wall fixedly connected with fixed axle and connecting axle respectively, the fixed axle surface rotates and is connected with first sleeve, the fixed axle passes through torsional spring and first sleeve to be connected, first sleeve and cushion bottom fixed connection, the cushion bottom and the guide arm fixed connection that are located first sleeve one side, the connecting axle surface rotates and is connected with the second sleeve, second sleeve and back lateral wall fixed connection, just first sleeve tip passes through link gear and guide arm swing joint.

In the technical scheme, two symmetrically distributed handrails are arranged at the top of the bottom plate, each side wall of each handrail is fixedly connected with a guide rail, each guide rail is of an arc structure, and the circle center of the arc where the guide rail is located coincides with the axis of the fixed shaft.

In this technical scheme, the cushion corresponds the setting in the back below, the guide arm both ends of cushion bottom all extend to the cushion outside, just guide arm and the inside sliding connection of guide rail.

In this technical scheme, handrail top and side inner wall all fixedly connected with spacing axle, spacing axle is located back one side and cushion below respectively.

In this technical scheme, second sleeve axle both ends all extend to the back both sides, are located the equal fixedly connected with connecting rod of second sleeve axle tip of back both sides.

In this technical scheme, link gear includes movable rod and sleeve pipe, movable rod one end and connecting rod tip rotate to be connected, the movable rod other end and end fixed connection, just movable rod and end all extend to inside the sleeve pipe.

In this technical scheme, the inside end sliding connection of sleeve pipe, end surface fixedly connected with spring, the spring cup joints with the movable rod, sleeve pipe bottom and connecting piece rotate to be connected, just connecting piece and guide arm tip fixed connection.

In the technical scheme, the number of the linkage mechanisms is two, the two linkage mechanisms are symmetrically distributed to two sides of the backrest, and the two linkage mechanisms are positioned between the two armrests.

In this technical scheme, spacing axle surface rotates with the couple to be connected, the quantity of couple is two, and two couple symmetric distributions are to the cushion both sides.

In the technical scheme, the side end of the cushion is fixedly connected with the hanging rod, and the surface of the hanging rod is hung with the hook.

On the basis of conforming to the common knowledge in the field, the above preferred conditions can be arbitrarily combined to obtain the preferred examples of the utility model.

The utility model has the positive progress effects that:

The auditorium chair with the seat back synchronously linked is characterized in that the seat back and the backrest and the armrests are arranged to form the auditorium chair, the backrest and the armrests can be folded during use, the width between the adjacent rows of the auditorium chair can be increased, the backrest and the armrests are provided with a linkage mechanism, the backrest can be synchronously folded during storage of the seat cushion, the auditorium chair can be conveniently and rapidly operated, the convenience in use of the auditorium chair is improved, the limiting shafts are arranged to limit the positions of the seat and the backrest, the stability in the use process is ensured, the auditorium chair can be prevented from being folded during use, and the use performance of the auditorium chair is improved.

Drawings

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

FIG. 2 shows a seat cushion according to the present utility model a schematic three-dimensional structure.

FIG. 3 is a schematic view showing the internal structure of the sleeve of the present utility model.

Fig. 4 is a schematic top view of the present utility model.

Description of the reference numerals

1. The seat comprises a bottom plate, 2, armrests, 3, guide rails, 4, a fixed shaft, 5, a first sleeve shaft, 6, a seat cushion, 7, a guide rod, 8, a connecting shaft, 9, a second sleeve shaft, 10, a backrest, 11, a connecting rod, 12, a movable rod, 13, a terminal, 14, a spring, 15, a sleeve, 16, a connecting piece, 17, a limiting shaft, 18, a hook, 19 and a hanging rod.

Detailed Description

The utility model is further illustrated by means of the following examples, which are not intended to limit the scope of the utility model.

As shown in fig. 1-4, the auditorium chair with synchronous seat-back linkage comprises:

The bottom plate 1, bottom plate 1 top surface fixed mounting has handrail 2, handrail 2 lateral wall fixedly connected with fixed axle 4 and connecting axle 8 respectively, fixed axle 4 surface rotation is connected with first sleeve 5, fixed axle 4 passes through torsional spring and is connected with first sleeve 5, first sleeve 5 and cushion 6 bottom fixed connection, cushion 6 bottom and guide arm 7 fixed connection that is located first sleeve 5 one side, connecting axle 8 surface rotation is connected with second sleeve 9, second sleeve 9 and back 10 lateral wall fixed connection, just first sleeve 5 tip passes through link gear and guide arm 7 swing joint.

The two symmetrically distributed armrests 2 are arranged at the top of the bottom plate 1, guide rails 3 are fixedly connected to the side walls of each armrest 2, each guide rail 3 is of an arc structure, the circle center of an arc where each guide rail 3 is located coincides with the axis of the fixed shaft 4, the seat cushion 6 is correspondingly arranged below the backrest 10, two ends of a guide rod 7 at the bottom of the seat cushion 6 extend to the outer side of the seat cushion 6, and the guide rod 7 is in sliding connection with the inside of each guide rail 3.

In this technical scheme, handrail 2 installs and plays arm supporting effect on bottom plate 1 to set up the direction when guide rail 3 can be used to the rotation of cushion 6, ensure the steady rotation of cushion 6, when making cushion 6 rotate around fixed axle 4, can drive guide arm 7 and remove at guide rail 3 inside, make it rotate and realize spacing after putting in place simultaneously, ensure the stability in the use.

The top and side inner walls of the armrest 2 are fixedly connected with limiting shafts 17, the limiting shafts 17 are respectively positioned on one side of the backrest 10 and below the seat cushion 6, two ends of the second sleeve shaft 9 extend to two sides of the backrest 10, and the end parts of the second sleeve shaft 9 positioned on two sides of the backrest 10 are fixedly connected with connecting rods 11.

In this technical scheme, when rotating cushion 6, make it drive first sleeve 5 at fixed axle 4 surface rotation, cushion 6 drives guide arm 7 and removes to the guide rail 3 top, carry out guide arm 7 spacing through guide rail 3, cushion 6 removes to spacing axle 17 department simultaneously, realize the support of cushion 6, when rotating back 10, make it drive second sleeve 9 at connecting axle 8 surface movement, it is laminating simultaneously on another spacing axle 17, and then realize the spacing of back 10

The linkage mechanism comprises a movable rod 12 and a sleeve 15, one end of the movable rod 12 is rotationally connected with the end part of a connecting rod 11, the other end of the movable rod 12 is fixedly connected with an end head 13, the movable rod 12 and the end head 13 extend into the sleeve 15, the sleeve 15 is slidably connected with the end head 13, a spring 14 is fixedly connected with the surface of the end head 13, the spring 14 is sleeved with the movable rod 12, the bottom of the sleeve 15 is rotationally connected with a connecting piece 16, the connecting piece 16 is fixedly connected with the end part of a guide rod 7, the number of the linkage mechanisms is two, the two linkage mechanisms are symmetrically distributed to two sides of a backrest 10, and the two linkage mechanisms are positioned between two armrests 2.

In this technical scheme, as shown in fig. 2, when carrying out back 10 and cushion 6 and accomodating, drive guide arm 7 at guide rail 3 inside when cushion 6 is rotatory, guide arm 7 moves through connecting piece 16 and sleeve pipe 15 simultaneously, make end 13 slide in sleeve pipe 15 inside, the relative movement of both can not drive back 10 rotation this moment, when end 13 drives spring 14 and contacts sleeve pipe 15 top, guide arm 7 has not moved to guide rail 3 bottommost at this moment, spring 14 supports sleeve pipe 15 top when continuing to rotate, and pull connecting rod 11 to rotate, make connecting rod 11 drive second sleeve shaft 9 and rotate around connecting axle 8, and then realize the rotation of back 10, the existence of spring 14 can play the cushioning effect simultaneously, when opening, make end 13 remove sleeve pipe 15 bottommost when cushion 6 rotates, promote back 10 rotation through movable rod 12 this moment, and then realize the synchronous linkage of cushion 6 and back 10.

The surface of the limiting shaft 17 is rotationally connected with the hooks 18, the number of the hooks 18 is two, the two hooks 18 are symmetrically distributed on two sides of the seat cushion 6, the side end of the seat cushion 6 is fixedly connected with the hanging rod 19, and the surface of the hanging rod 19 is hung with the hooks 18.

In this technical scheme, rotate cushion 6 to horizontal position after, rotatory couple 18 on the spacing axle 17 makes its articulates on peg 19, and then realizes cushion 6's fixed, leads to cushion 6 rotation problem when avoiding sitting in cushion 6's the position of leaning on, improves the stability when the use of auditorium chair.

The present utility model is not limited to the above-described embodiments, and any changes in shape or structure thereof are within the scope of the present utility model. The scope of the present utility model is defined by the appended claims, and those skilled in the art can make various changes or modifications to these embodiments without departing from the principle and spirit of the present utility model, but these changes and modifications fall within the scope of the present utility model.

Claims

1. Auditorium chair with synchronous seat and back linkage, which is characterized by comprising:

bottom plate (1), bottom plate (1) top surface fixed mounting has handrail (2), handrail (2) lateral wall fixedly connected with fixed axle (4) and connecting axle (8) respectively, fixed axle (4) surface rotation is connected with first sleeve (5), fixed axle (4) are connected with first sleeve (5) through the torsional spring, first sleeve (5) and cushion (6) bottom fixed connection, cushion (6) bottom and guide arm (7) fixed connection that are located first sleeve (5) one side, connecting axle (8) surface rotation is connected with second sleeve (9), second sleeve (9) and back (10) lateral wall fixed connection, just first sleeve (5) tip is through link gear and guide arm (7) swing joint.

2. The auditorium chair synchronously linked with the seat back according to claim 1, wherein two symmetrically distributed armrests (2) are arranged at the top of the bottom plate (1), guide rails (3) are fixedly connected to the side walls of each armrest (2), the guide rails (3) are of arc structures, and the circle centers of the arcs where the guide rails (3) are located are coincident with the axle center of the fixed shaft (4).

3. The auditorium chair synchronously linked with the seat back according to claim 1, wherein the seat cushion (6) is correspondingly arranged below the backrest (10), both ends of a guide rod (7) at the bottom of the seat cushion (6) extend to the outer side of the seat cushion (6), and the guide rod (7) is in sliding connection with the inside of the guide rail (3).

4. The auditorium chair synchronously linked with the seat back according to claim 1, wherein the top and the inner walls of the side ends of the armrests (2) are fixedly connected with limiting shafts (17), and the limiting shafts (17) are respectively positioned on one side of the backrest (10) and below the seat cushion (6).

5. The auditorium chair with synchronous seat and back linkage according to claim 1, wherein two ends of the second sleeve shaft (9) extend to two sides of the backrest (10), and connecting rods (11) are fixedly connected to the ends of the second sleeve shaft (9) positioned on two sides of the backrest (10).

6. The auditorium chair synchronously linked with the seat back according to claim 1, wherein the linkage mechanism comprises a movable rod (12) and a sleeve (15), one end of the movable rod (12) is rotationally connected with the end part of the connecting rod (11), the other end of the movable rod (12) is fixedly connected with the end head (13), and the movable rod (12) and the end head (13) are both extended into the sleeve (15).

7. The auditorium chair synchronously linked with the seat back according to claim 6, wherein the inside of the sleeve (15) is in sliding connection with the end head (13), a spring (14) is fixedly connected to the surface of the end head (13), the spring (14) is sleeved with the movable rod (12), the bottom of the sleeve (15) is rotationally connected with the connecting piece (16), and the connecting piece (16) is fixedly connected with the end part of the guide rod (7).

8. The auditorium chair with synchronous seat and back linkage according to claim 6, wherein the number of the linkage mechanisms is two, the two linkage mechanisms are symmetrically distributed on two sides of the backrest (10), and the two linkage mechanisms are positioned between the two armrests (2).

9. The auditorium chair with synchronous seat and back linkage according to claim 4, wherein the surface of the limiting shaft (17) is rotationally connected with the hooks (18), the number of the hooks (18) is two, and the two hooks (18) are symmetrically distributed on two sides of the seat cushion (6).

10. The auditorium chair synchronously linked with the seat back according to claim 1, wherein the side end of the seat cushion (6) is fixedly connected with a hanging rod (19), and the surface of the hanging rod (19) is connected with a hook (18).