CN210185074U - Adjusting mechanism of theater chair - Google Patents
Adjusting mechanism of theater chair Download PDFInfo
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- CN210185074U CN210185074U CN201920817812.3U CN201920817812U CN210185074U CN 210185074 U CN210185074 U CN 210185074U CN 201920817812 U CN201920817812 U CN 201920817812U CN 210185074 U CN210185074 U CN 210185074U
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Abstract
The utility model discloses an adjusting mechanism of a theater chair, which comprises a first linkage plate, a second linkage plate, a third linkage plate, a fourth linkage plate, a connecting long plate and a fifth linkage plate; the front end of the second linkage plate is hinged with the rear end of the first linkage plate, the rear end of the second linkage plate is hinged with the lower end of the third linkage plate, the top end of the third linkage plate is hinged with the rear end of the fourth linkage plate, the front end of the fourth linkage plate is hinged with the top end of the first linkage plate, the top end of the second linkage plate is hinged with the rear end of the connecting long plate, the front end of the connecting long plate is hinged with the top end of the fifth linkage plate, and the front end of the fifth linkage plate is hinged with the front end of the first linkage plate; the first linkage plate is provided with a front limiting column and a rear limiting column, and the fifth linkage plate is positioned between the front limiting column and the rear limiting column. The utility model discloses be convenient for the angle modulation between cushion and the back of theatre chair to increase the comfort level that personnel sat on the theatre chair.
Description
Technical Field
The utility model relates to a mechanical angle adjustment mechanism, more specifically relate to an adjustment mechanism of theatre chair.
Background
Theatre chairs are commonly used in large conference rooms, schools or government auditoriums, large dance theatres, etc. Most theatre chairs are composed of a seat, a chair back, armrests and standing legs. The standing legs and the handrails are generally integrated to form a firmly installed handrail frame.
Among the prior art, the theater chair is fixed structure, and the people who sits on the theater chair can not adjust the theater chair according to corresponding comfort level, consequently can lead to people to have the uncomfortable problem of sitting for a long time under the many circumstances, has the space of improvement.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art, the utility model provides an adjustment mechanism of theatre chair, the angle modulation between the cushion of the theatre chair of being convenient for and the back to increase the comfort level that personnel sat on the theatre chair.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an adjustment mechanism of a theater chair is characterized in that: the connecting device comprises a first linkage plate, a second linkage plate, a third linkage plate, a fourth linkage plate, a connecting long plate and a fifth linkage plate;
the front end of the second linkage plate is hinged with the rear end of the first linkage plate, the rear end of the second linkage plate is hinged with the lower end of the third linkage plate, the top end of the third linkage plate is hinged with the rear end of the fourth linkage plate, the front end of the fourth linkage plate is hinged with the top end of the first linkage plate, the top end of the second linkage plate is hinged with the rear end of the connecting long plate, the front end of the connecting long plate is hinged with the top end of the fifth linkage plate, and the front end of the fifth linkage plate is hinged with the front end of the first linkage plate;
the first linkage plate is provided with a front limiting column and a rear limiting column, and the fifth linkage plate is positioned on the outer side of the first linkage plate and between the front limiting column and the rear limiting column;
the seat cushion is characterized in that a seat cushion mounting part is arranged on the first linkage plate, a backrest mounting part is arranged on the fourth linkage plate, and a handrail mounting part is arranged on the connecting long plate.
Preferably, the chair further comprises a telescopic driving component, and the telescopic driving component is connected with the first linkage plate so as to adjust the angle between the cushion installation part and the backrest installation part.
Preferably, the device further comprises an elastic resetting component, and the elastic resetting component is connected between the first linkage plate and the connecting long plate.
Preferably, the cushion mounting part is a support plate with an L-shaped cross section, and the support plate is connected to the upper side of the first linkage plate through a bolt.
Preferably, the backrest mounting part is a connecting plate integrally formed with the fourth link plate.
Preferably, the armrest mounting part is bent toward an outer side of the connection long plate.
Preferably, the fourth linkage plate is provided in a T shape.
Preferably, the second linkage plate and the fifth linkage plate are both L-shaped.
Preferably, the first linkage plate is provided with a reinforcing rib, and the reinforcing rib extends from the front end of the first linkage plate to the rear end of the first linkage plate.
The utility model has the advantages that: each linkage board and be connected the articulated setting between the rectangular board, can realize the angular adjustment between first linkage board and the fourth linkage board, be about to the angle change between cushion connecting portion and the back connecting portion to the realization is to the angle modulation between the cushion of theatre chair and the back, sits the comfort level on the theatre chair with the increase personnel.
Drawings
Fig. 1 is a schematic view of an extended state of an adjustment mechanism of a theater chair provided in this embodiment;
fig. 2 is another schematic view of the extended state of the adjustment mechanism of the theater chair provided in this embodiment;
fig. 3 is a schematic view of the contracted state of the adjustment mechanism of the theater chair provided in the embodiment;
fig. 4 is another schematic view of the contracted state of the adjustment mechanism of the theater chair provided in this embodiment.
Detailed Description
The adjusting mechanism of the theater chair of the present invention will be further described with reference to fig. 1 to 4.
An adjustment mechanism of a theater chair is characterized in that: the device comprises a first linkage plate 1, a second linkage plate 2, a third linkage plate 3, a fourth linkage plate 4, a connecting long plate 5 and a fifth linkage plate 6;
the front end of the second linkage plate 2 is hinged 91 with the rear end of the first linkage plate 1, the rear end of the second linkage plate 2 is hinged 92 with the lower end of the third linkage plate 3, the top end of the third linkage plate 3 is hinged 93 with the rear end of the fourth linkage plate 4, the front end of the fourth linkage plate 4 is hinged 94 with the top end of the first linkage plate 1, the top end of the second linkage plate 2 is hinged 95 with the rear end of the connecting long plate 5, the front end of the connecting long plate 5 is hinged 96 with the top end of the fifth linkage plate 6, and the front end of the fifth linkage plate 6 is hinged 97 with the front end of the first linkage plate 1;
the first linkage plate 1 is provided with a front limiting column 102 and a rear limiting column 101, and the fifth linkage plate 6 is positioned on the outer side of the first linkage plate 1 and between the front limiting column and the rear limiting column;
a cushion mounting part 11 is arranged on the first linkage plate 1, a backrest mounting part 41 is arranged on the fourth linkage plate 4, and a handrail mounting part 51 is arranged on the connecting long plate 5;
the device also comprises a telescopic driving part 7, wherein the telescopic driving part 7 is connected with the first linkage plate 1 and drives the first linkage plate 1 to move back and forth, and in the embodiment, the telescopic driving part 7 is an electric push rod.
When the adjusting mechanism is used, the two adjusting mechanisms are arranged in a bilateral symmetry mode, the electric push rod is arranged between the two adjusting mechanisms and is connected with the first linkage plate 1 of the two adjusting mechanisms through a connecting rod 8 so as to drive the first linkage plate 1 to move back and forth; the cushion is arranged on the cushion mounting part 11, the backrest is arranged on the backrest mounting part, and the armrests are arranged on the armrest mounting part; when the electric push rod extends, the first linkage plate 1 is pushed to move forwards and upwards, the fifth linkage plate 6 is linked to abut against the front limiting column 102 for limiting, and the backrest mounting part 41 of the fourth linkage plate 4 tilts backwards, so that the included angle between the backrest and the seat cushion is increased, and the back of a person can lie backwards; after the electric push rod is contracted, the first linkage plate 1 is driven to move backwards and downwards, the fifth linkage plate 6 is linked to abut against the rear limiting column, and the backrest installation part 41 of the fourth linkage plate 4 inclines forwards, so that the included angle between the cushion and the backrest is reduced, and the sitting of personnel is facilitated; the process realizes the adjustment between the cushion and the backrest so as to increase the comfort of the sitting posture of the personnel. During the movement of the adjusting mechanism, the connecting long plate 5 is connected with the chair legs as a fulcrum plate and is not moved.
As another embodiment of the present invention, the flexible driving member is replaced by an elastic restoring member 1001, one end of the elastic restoring member 1001 is connected to the middle position of the first linkage plate through a connecting pin 1003, and the other end is connected to the rear end of the long connecting plate through a connecting pin 1002. In this configuration, the backrest is inclined rearward when the center of gravity is leaned rearward by the weight of the person's body, and the backrest is returned to the upright position by the elastic return means, preferably a spring, when the person leaves the seat.
The embodiment is further configured as follows: the cushion installation part 11 is a supporting plate with an L-shaped section, and the supporting plate is connected to the upper side of the first linkage plate 1 through a bolt. When the cushion is installed, two sides of the cushion are respectively installed on the supporting plates of the two adjusting mechanisms, and the supporting plates can facilitate the installation of the cushion on the mechanism; meanwhile, the supporting plate is connected through the bolt, so that the supporting plate can be conveniently disassembled and assembled on the first linkage plate 1, and meanwhile, the stability during installation can be ensured.
The embodiment is further configured as follows: the backrest mounting portion 41 is a link plate integrally formed with the fourth link plate 4, and the link plate has a plurality of through holes for connecting the backrest.
The embodiment is further configured as follows: the handrail mounting part is bent towards the outer side of the connecting long plate 5, and a connecting through hole is formed in the handrail mounting part for connecting a handrail; bending the handrail installation part towards the outer side of the long connecting plate 5 can separate the handrail from the long connecting plate 5, and is convenient for the movement of the long connecting plate 5 and the whole adjusting mechanism.
The embodiment is further configured as follows: the fourth linkage plate 4 is arranged in a T shape, the second linkage plate 2, the fifth linkage plate and the first linkage plate are arranged in an L shape, and the first linkage plate 1 can be conveniently hinged with the linkage plates and can be conveniently adjusted and moved.
The embodiment is further configured as follows: the first linkage plate 1 is provided with a reinforcing rib 12, and the reinforcing rib 12 extends from the front end of the first linkage plate 1 to the rear end of the first linkage plate 1. The reinforcing rib 12 can significantly improve the structural strength of the first linkage plate 1.
In this embodiment, the first linkage plate 1 and each linkage plate, and the linkage plate are hinged through hinge holes and hinge pins, that is, the first linkage plate 1, the connecting long plate and each linkage plate are provided with hinge holes, and the corresponding hinge holes are butted and penetrated by pin rods, so that the movement between the plates can be realized.
In this embodiment, one side of each of the two adjusting mechanisms corresponding to the first linkage plates 1 is an inner side, and the other side is an outer side. When in connection, the second linkage plate 2 and the fifth linkage plate 6 are positioned at the outer side of the first linkage plate 1, and the connection long plate 5 is positioned at the outer side of the second linkage plate 2 and the fifth linkage plate 6.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate an orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention and simplifying the description, rather than to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore, the terms describing orientation or positional relationship in the present invention are used for illustrative purposes only, and should not be construed as limiting the present patent, specific meanings of the above terms can be understood by those of ordinary skill in the art in light of the specific circumstances in conjunction with the accompanying drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are used broadly and encompass both fixed and removable connections, or integral connections; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. An adjustment mechanism of a theater chair is characterized in that: the connecting device comprises a first linkage plate, a second linkage plate, a third linkage plate, a fourth linkage plate, a connecting long plate and a fifth linkage plate;
the front end of the second linkage plate is hinged with the rear end of the first linkage plate, the rear end of the second linkage plate is hinged with the lower end of the third linkage plate, the top end of the third linkage plate is hinged with the rear end of the fourth linkage plate, the front end of the fourth linkage plate is hinged with the top end of the first linkage plate, the top end of the second linkage plate is hinged with the rear end of the connecting long plate, the front end of the connecting long plate is hinged with the top end of the fifth linkage plate, and the front end of the fifth linkage plate is hinged with the front end of the first linkage plate;
the first linkage plate is provided with a front limiting column and a rear limiting column, and the fifth linkage plate is positioned on the outer side of the first linkage plate and between the front limiting column and the rear limiting column;
the seat cushion is characterized in that a seat cushion mounting part is arranged on the first linkage plate, a backrest mounting part is arranged on the fourth linkage plate, and a handrail mounting part is arranged on the connecting long plate.
2. The theater chair adjustment mechanism of claim 1 wherein: the chair seat is characterized by further comprising a telescopic driving component, wherein the telescopic driving component is connected with the first linkage plate to adjust the angle between the seat cushion installation part and the backrest installation part.
3. The theater chair adjustment mechanism of claim 1 wherein: the elastic reset component is connected between the first linkage plate and the connecting long plate.
4. The theater chair adjustment mechanism of claim 1 wherein: the cushion installation part is a supporting plate with an L-shaped section, and the supporting plate is connected to the upper side of the first linkage plate through a bolt.
5. The theater chair adjustment mechanism of claim 1 wherein: the backrest installation part is a connecting plate integrally formed with the fourth linkage plate.
6. The theater chair adjustment mechanism of claim 1 wherein: the handrail installation part is bent towards the outer side of the connecting long plate.
7. The theater chair adjustment mechanism of claim 1 wherein: the fourth linkage plate is arranged in a T shape.
8. The theater chair adjustment mechanism of claim 1 wherein: and the second linkage plate and the fifth linkage plate are arranged in an L shape.
9. The theater chair adjustment mechanism of claim 1 wherein: the first linkage plate is provided with a reinforcing rib, and the reinforcing rib extends from the front end of the first linkage plate to the rear end of the first linkage plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817812.3U CN210185074U (en) | 2019-05-31 | 2019-05-31 | Adjusting mechanism of theater chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920817812.3U CN210185074U (en) | 2019-05-31 | 2019-05-31 | Adjusting mechanism of theater chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210185074U true CN210185074U (en) | 2020-03-27 |
Family
ID=69872784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920817812.3U Active CN210185074U (en) | 2019-05-31 | 2019-05-31 | Adjusting mechanism of theater chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210185074U (en) |
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2019
- 2019-05-31 CN CN201920817812.3U patent/CN210185074U/en active Active
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