CN218304109U - Office chair with adjustable seat board - Google Patents
Office chair with adjustable seat board Download PDFInfo
- Publication number
- CN218304109U CN218304109U CN202222215956.6U CN202222215956U CN218304109U CN 218304109 U CN218304109 U CN 218304109U CN 202222215956 U CN202222215956 U CN 202222215956U CN 218304109 U CN218304109 U CN 218304109U
- Authority
- CN
- China
- Prior art keywords
- connecting portion
- seat
- connecting part
- grooves
- side edge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses an office chair with adjustable bedplate, include: the seat board body is provided with an armrest structure, the armrest structure is connected to the left side edge through a pin shaft, and the bottom of the armrest structure is provided with a first connecting part; the seat area is further provided with a second connecting portion, the surface of the second connecting portion is provided with a plurality of grooves, the bottom of each groove is provided with a slotted hole, each slotted hole is internally provided with an elastic structure and a ball, the top of each ball protrudes out of the corresponding slotted hole, the first connecting portion is movably connected to any one of the grooves, the surface of each second connecting portion protrudes and is provided with a plurality of third connecting portions, the third connecting portions are close to the grooves in a one-to-one correspondence mode, and the cross sections of the third connecting portions in the height direction are inverted L-shaped. The utility model discloses can satisfy different size crowds' user demand.
Description
Technical Field
The utility model relates to an office chair technical field, in particular to office chair with adjustable bedplate.
Background
In the prior art, the seat area of an office chair is not adjustable, the positions of the seat area and the backrest area are fixed, and for a large-size person, when the person sits on the chair, the back is upright, so that the riding comfort is influenced; for small-sized people, the large-size office chair has poor wrapping performance on the body and can also influence the riding comfort.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an official working seat with adjustable bedplate aims at solving the technical problem that official working seat can satisfy different size crowds' user demand.
In order to achieve the above object, the utility model provides an office chair with adjustable bedplate, include:
the seat comprises a seat body, the seat body is provided with a seat area, the seat area is provided with a slide rail, the slide rail is connected with a seat plate body in a sliding manner, the seat plate body is provided with a left side edge and a right side edge in the horizontal direction, the left side edge is provided with an armrest structure, the armrest structure is connected to the left side edge through a pin shaft, the bottom of the armrest structure is provided with a first connecting part, the cross section of the first connecting part in the height direction is semicircular, and the semicircular linear side edge faces upwards;
the seat area is further provided with a second connecting part, the second connecting part extends along the movement direction of the seat board body, a plurality of grooves are formed in the surface of the second connecting part along the movement direction of the seat board body, slotted holes are formed in the bottoms of the grooves, elastic structures and balls are arranged in the slotted holes, two ends of each elastic structure are respectively abutted to the bottoms of the slotted holes and the bottoms of the balls, the tops of the balls protrude out of the slotted holes, the first connecting part is movably connected to any one of the grooves, a plurality of third connecting parts protrude from the surface of the second connecting part and are correspondingly close to the grooves one by one, and the cross section of each third connecting part in the height direction is in an inverted L shape;
the handrail structure rotates to drive the first connecting portion to move to the inside of the groove in the clockwise direction, the bottom of the first connecting portion abuts against the top of the ball, the elastic structure is used for providing upward pressure for the first connecting portion, one end of the first connecting portion abuts against the third connecting portion, and the third connecting portion is used for limiting the first connecting portion to move in the clockwise direction.
Optionally, the inner surface of the groove is an arc-shaped curved surface.
Optionally, the armrest structure and the first connection portion are an integrally formed structure;
the first connecting part is of a nylon structure.
Optionally, a clamping groove is formed in the bottom of the first connecting part, and the top of the ball is connected in the clamping groove in an adaptive manner;
the curvature of the surface of the slot is less than the curvature of the surface of the ball.
Optionally, the resilient structure is a spring.
Optionally, the third connecting portion and the second connecting portion are of an integrally formed structure.
The technical scheme of the utility model, but the seat area of seat body is equipped with horizontal migration's bedplate body, adjusts the bedplate body forward, makes the bedplate body keep away from the back of seat body, and applicable in big size crowd uses, i.e. the user can lean on backward. The back adjusts the bedplate body, and the bedplate body is close to the back of seat body, and applicable in small size crowd uses, makes the seat body have good parcel nature, and back, bedplate body can be better and human back and buttock are near and support promptly, improve and take the travelling comfort. When the seat board body needs to be adjusted forwards and backwards, a user pushes the handrail structure forwards and horizontally, the handrail structure rotates anticlockwise under the action of the pin shaft, and the first connecting part is driven to move upwards along the anticlockwise direction to be separated from the groove so as to be used for unlocking the seat board body; when the seat board body needs to be locked, a user pulls the handrail structure backwards, the handrail structure rotates clockwise to drive the first connecting portion to move to the inside of the groove in the clockwise direction, the bottom of the first connecting portion is abutted to the top of the ball, the ball extrudes the elastic structure downwards, under the action of reaction force, the elastic structure is used for providing upward pressure for the first connecting portion, one end of the first connecting portion is abutted to the third connecting portion, the third connecting portion is used for limiting the first connecting portion to move in the clockwise direction, and under the action of upward action force of the elastic structure, the third connecting portion provides downward pressure for the first connecting portion, so that the clamping effect on the first connecting portion is achieved, and the handrail structure is located.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
FIG. 1 is a schematic perspective view of an embodiment of an office chair with an adjustable seat plate according to the present invention;
FIG. 2 is a schematic view of a combination structure of the armrest structure and the second connecting portion of an embodiment of the office chair with an adjustable seat plate according to the present invention;
FIG. 3 is a schematic diagram (sectional view) showing the operation of the armrest structure of the adjustable seat board of the present invention when the seat board is unlocked;
fig. 4 is a schematic diagram (sectional view) illustrating the operation of the armrest structure of the office chair with the adjustable seat board according to the present invention when the seat board is locked.
The reference numbers indicate:
| name (R) | Reference numerals | Name(s) | Reference numerals |
| Chair body | 1 | |
22 |
| |
11 | Second connecting |
3 |
| |
12 | |
31 |
| |
121 | |
311 |
| |
2 | |
3111 |
| First connecting |
21 | Ball bearing | 3112 |
| Clamping |
211 | Third connecting |
32 |
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that all the directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
Furthermore, the descriptions in the present application related to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or to imply that the number of technical features indicated are implicitly being indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.
As shown in fig. 1 and 2, in an embodiment of the present invention, the office chair with adjustable seat plate comprises: the seat comprises a seat body 1, wherein the seat body 1 is provided with a seat area 11, the seat area 11 is provided with a slide rail 12, the slide rail 12 is connected with a seat plate body 121 in a sliding manner, the seat plate body 121 is provided with a left side edge (not shown in the figure) and a right side edge in the horizontal direction, the left side edge is provided with an armrest structure 2, the armrest structure 2 is connected to the left side edge through a pin shaft 22, the bottom of the armrest structure 2 is provided with a first connecting part 21, the cross section of the first connecting part 21 in the height direction is semicircular, and the semicircular linear side edge faces upwards; the seat area 11 is further provided with a second connecting portion 3, the second connecting portion 3 extends along the movement direction of the seat board body 121, the surface of the second connecting portion 3 is provided with a plurality of grooves 31, the bottom of each groove 31 is provided with a groove hole 311, each groove hole 311 is internally provided with an elastic structure 3111 and a ball 3112, two ends of each elastic structure 3111 are respectively abutted against the bottom of each groove hole 311 and the bottom of each ball 3112, the top of each ball 3112 protrudes out of each groove hole 311, the first connecting portion 21 is movably connected to any one groove 31, the surface of the second connecting portion 3 is provided with a plurality of third connecting portions 32 in a protruding manner, the plurality of third connecting portions 32 are close to the grooves 31 in a one-to-one correspondence manner, and the cross-sectional shape of each third connecting portion 32 in the height direction is an inverted L shape; the armrest structure 2 rotates to drive the first connection portion 21 to move to the inside of the groove 31 along the clockwise direction, the bottom of the first connection portion 21 abuts against the top of the ball 3112, the elastic structure 3111 is configured to provide upward pressure for the first connection portion 21, one end of the first connection portion 21 abuts against the third connection portion 32, and the third connection portion 32 is configured to limit the first connection portion 21 to move along the clockwise direction.
In the technical solution of the utility model, elastic structure 3111 is the spring.
The technical scheme of the utility model, but seat area 11 of seat body 1 is equipped with horizontal migration's bedplate body 121, adjusts bedplate body 121 forward, makes bedplate body 121 keep away from the back of seat body 1, and applicable in the crowd of big size uses, i.e. the user can lean on backward. Adjust bedplate body 121 backward, bedplate body 121 is close to the back of seat body 1, and applicable in small size crowd uses, makes seat body 1 have good parcel nature, and back, bedplate body 121 can be better near and support with human back and buttock promptly, improve the travelling comfort of taking. As shown in fig. 3, when the seat board body 121 needs to be adjusted forward and backward, a user pushes the handle structure 2 forward, and under the action of the pin 22, the handle structure 2 rotates counterclockwise, and drives the first connecting portion 21 to move upward along the counterclockwise direction to disengage from the groove 31, so as to unlock the seat board body 121; as shown in fig. 4, when the seat board body 121 needs to be locked, a user pulls the handle structure 2 backwards, the handle structure 2 rotates clockwise, the first connection portion 21 is driven to move into the groove 31 in a clockwise direction, the bottom of the first connection portion 21 abuts against the top of the ball 3112, the ball 3112 presses the elastic structure 3111 downwards, when the axis of the handle structure 2 is perpendicular to the horizontal ground, under a reaction force, the elastic structure 3111 is configured to provide an upward pressure to the first connection portion 21, one end of the first connection portion 21 abuts against the third connection portion 32, the third connection portion 32 is configured to limit the first connection portion 21 from moving in the clockwise direction, and under an upward force condition of the elastic structure 3111, the third connection portion 32 provides a downward pressure to the first connection portion 21, so as to achieve a clamping effect on the first connection portion 21, and be used for positioning the handle structure 2. One end of the first connecting portion 21 abuts against the third connecting portion 32, as shown in fig. 2, one end of the first connecting portion 21 abuts against the bottom of the head of the third connecting portion 32, and the inverted L shape can effectively limit the rotation of the first connecting portion 21.
In the technical scheme of the utility model, the internal surface of recess 31 is the arc curved surface.
This kind of structural arrangement, as shown in fig. 3 and 4, the internal surface of recess 31 is the arc curved surface, and of course, in practical application, the cross-sectional shape of recess 31 in the direction of height tends to the hemisphere, and the motion of the first connecting portion 21 of hemisphere of being convenient for is unimpeded and is rubbed, increases the motion flexibility of first connecting portion 21. Of course, in practical application, when the first connecting portion 21 moves, it is necessary to prevent the first connecting portion 21 from abutting against the inner surface of the groove 31 at any rotation angle, so as to limit the movement of the first connecting portion 21.
In the technical scheme of the present invention, a clamping groove 211 is disposed at the bottom of the first connecting portion 21, and the top of the ball 3112 is adapted to be connected in the clamping groove 211; the curvature of the surface of the catching groove 211 is smaller than that of the surface of the ball 3112.
When the first connection portion 21 moves, the ball 3112 is pressed, and when the slot 211 is opposite to the ball 3112, the ball 3112 is clamped upwards into the slot 211 under the upward acting force of the elastic structure 3111, so that the first connection portion 21 is further limited from moving freely, and the stability of the handrail structure 2 is improved. The curvature of the surface of the catching groove 211 is smaller than that of the surface of the ball 3112, and the purpose of this is that the user needs to push or pull the handle structure 2 with force to disengage the ball 3112 from the catching groove 211.
In order to increase the wear resistance and the service life of the first connection portion 21, in the technical scheme of the present invention, the handrail structure 2 and the first connection portion 21 are an integrally formed structure; the first connecting portion 21 is of a nylon structure. And the nylon structure is light, so that the rotation of the handrail structure 2 is convenient to control.
For convenient processing, the technical scheme of the utility model, third connecting portion 32 with second connecting portion 3 are the integrated into one piece structure.
The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.
Claims (6)
1. An office chair with adjustable seat plate, comprising:
the seat body is provided with a seat area, the seat area is provided with a slide rail, the slide rail is connected with a seat board body in a sliding manner, the seat board body is provided with a left side edge and a right side edge in the horizontal direction, the left side edge is provided with an armrest structure, the armrest structure is connected to the left side edge through a pin shaft, the bottom of the armrest structure is provided with a first connecting part, the cross section of the first connecting part in the height direction is semicircular, and the linear side edge of the semicircular part faces upwards;
the seat area is further provided with a second connecting part, the second connecting part extends along the movement direction of the seat board body, the surface of the second connecting part is provided with a plurality of grooves, the bottoms of the grooves are provided with slotted holes, elastic structures and balls are arranged in the slotted holes, two ends of each elastic structure are respectively abutted against the bottoms of the slotted holes and the bottoms of the balls, the tops of the balls protrude out of the slotted holes, the first connecting part is movably connected to any one of the grooves, the surface of the second connecting part is provided with a plurality of third connecting parts in a protruding mode, the third connecting parts are correspondingly close to the grooves one by one, and the cross section of each third connecting part in the height direction is in an inverted L shape;
the handrail structure rotates, drives first connecting portion move to along the clockwise the inside of recess, the bottom butt of first connecting portion in the top of ball, the elastic construction is used for providing ascending pressure for first connecting portion, the one end butt of first connecting portion in the third connecting portion, the third connecting portion are used for restricting first connecting portion move along the clockwise.
2. The adjustable seat pan office seat of claim 1, wherein the inner surface of the recess is arcuately curved.
3. The adjustable seat pan office seat as claimed in claim 1, wherein the bottom of the first connecting portion is provided with a slot, and the top of the ball is adapted to be connected to the slot;
the curvature of the surface of the slot is less than the curvature of the surface of the ball.
4. The chair adjustable in seat pan of claim 3, wherein the armrest structure and the first connector are a one-piece structure;
the first connecting part is of a nylon structure.
5. The adjustable seat pan office seat as claimed in claim 1, wherein the resilient structure is a spring.
6. The adjustable seat pan office seat of claim 1, wherein the third connecting portion is of unitary construction with the second connecting portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215956.6U CN218304109U (en) | 2022-08-22 | 2022-08-22 | Office chair with adjustable seat board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222215956.6U CN218304109U (en) | 2022-08-22 | 2022-08-22 | Office chair with adjustable seat board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218304109U true CN218304109U (en) | 2023-01-17 |
Family
ID=84884430
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222215956.6U Active CN218304109U (en) | 2022-08-22 | 2022-08-22 | Office chair with adjustable seat board |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218304109U (en) |
-
2022
- 2022-08-22 CN CN202222215956.6U patent/CN218304109U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6572266B2 (en) | Chair | |
| US5338099A (en) | Shell structure for use with a chair having synchronously moving seat and seat back | |
| US6354662B1 (en) | Waistrest assembly for a chair | |
| JP2017200599A5 (en) | ||
| US6752458B1 (en) | Rocking chair | |
| CN209950806U (en) | Waist is leaned on and seat | |
| CN218304109U (en) | Office chair with adjustable seat board | |
| US10085564B2 (en) | Adjustable lumbar support for upholstery furniture | |
| US6588847B2 (en) | Chair | |
| CN212368663U (en) | Sofa capable of adjusting angle of backrest | |
| JP4139812B2 (en) | Movable joint suitable for seating devices | |
| CN202009873U (en) | Backrest height adjusting device of office chair | |
| US20050116519A1 (en) | Mobile joint with several stable positions, suitable for use in furniture | |
| CN216854215U (en) | Chair back mechanism with neck pillow capable of being adjusted in lifting mode | |
| CN213962558U (en) | Supporting mechanism and furniture | |
| CN212117618U (en) | Computer chair | |
| CN210810082U (en) | Chair back and chair with same | |
| KR102166940B1 (en) | Chairs with adjustable lumbar support | |
| CN215936835U (en) | Seat headrest mounting structure and seat | |
| CN215533027U (en) | 3D waist leans on mechanism | |
| CN215874045U (en) | Tilting chair | |
| CN218651023U (en) | Office chair | |
| CN214284179U (en) | Cushion structure with reduced height design and learning chair | |
| CN216494404U (en) | Chair back adjusting mechanism | |
| CN220212412U (en) | Leaning piece supporting mechanism and chair |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |