CN217090064U

CN217090064U - Chair back and seat synchronous adjustment control assembly and chair

Info

Publication number: CN217090064U
Application number: CN202220842178.0U
Authority: CN
Inventors: 戴龙飞; 丁晓强; 詹慧娟; 魏涛
Original assignee: Hangzhou Damonguan Smart Home Technology Co ltd
Current assignee: Hangzhou Damonguan Smart Home Technology Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-02
Anticipated expiration: 2032-04-12

Abstract

The utility model relates to a synchronous adjusting control assembly of a chair back and a chair seat and a chair, which comprises a vertical column for supporting the chair back and the chair seat, wherein the vertical column is erected on a supporting leg, an actuator for driving the vertical column to stretch is arranged in the vertical column, and the top of the vertical column is buckled with an end cap; the end cap extends out of the grasping part towards the front, the front end of the grasping part forms a chair back connecting end used for connecting a chair back, the bottom surface of the grasping part is open, the interior of the grasping part is hollow to form an accommodating cavity, a control handle is arranged in the grasping part, and the control handle is connected with a pulling rope; the holding chamber is communicated with the inner cavity of the end cap, an avoiding notch for leading the traction rope into the inside of the stand column is arranged at the position, corresponding to the holding chamber, of the upper end of the stand column, the traction rope enters the switch connected to the actuator inside the stand column from the avoiding notch, and the control handle acts under the action of external force to control the actuator to act so as to realize the telescopic change of the stand column. The gripping part has multiple purposes, saves space and is beneficial to optimization.

Description

Chair back and seat synchronous adjustment control assembly and chair

Technical Field

The utility model belongs to the technical field of the thing to sit on, especially, relate to a back of the chair seat support synchronous regulation control assembly and seat.

Background

The chair is a device frequently used in daily life and work, and the existing chair has the functions of height adjustment and adjustment of the height and the inclination angle of the backrest and the lumbar support in order to be suitable for different people and different use scenes and environments. The structure of the chair is that the upright post for supporting is usually connected to the base, and then the chair back and the chair seat are sleeved on the upright post in a sliding way through a sliding sleeve; when needing to adjust, loosen the knob of fastening, then drag back of the chair or seat support and reciprocate along the stand and can adjust, according to different crowds' suitable habits, adjust to suitable position.

Although the position of the chair back and the chair seat can be adjusted to meet the requirements of people, the chair back and the chair seat still have a plurality of defects, particularly: the user always needs to adjust the seat or the chair back singly, in order to improve the convenience of operation and prevent the movement of the whole seat in the adjusting process of the seat or the chair back, a handle and the like are arranged at the top end of the upright post, and the handle is pulled while the seat or the chair back is pulled up and down to adjust the position during adjustment, so that the parts of the seat are increased, the production cost is improved, the space is occupied, the user is provided with stronger obtrusive feeling, and the attractiveness is insufficient; therefore, a chair back and a chair seat can be adjusted singly, and the upright posts can be driven to stretch and retract through the actuators arranged in the upright posts, so that the synchronous adjustment of the chair seat and the chair back is realized, and the chair back and the chair seat are convenient to use and adjust and have certain attractiveness.

Disclosure of Invention

In order to solve the technical problem, the utility model aims at providing a back of the chair seat support synchronous regulation control assembly and seat can realize hiding in order to improve the aesthetic property to a certain extent, also can synchronous control adjust seat support and back of the chair body, and convenient and fast also very when using can practice thrift the space.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a synchronous adjusting control assembly for a chair back and a chair seat comprises an upright post for supporting the chair back and the chair seat, wherein the upright post is erected on a supporting leg, an actuator for driving the upright post to stretch is arranged in the upright post, and an end cap is buckled at the top of the upright post; the end cap extends out of the grasping part towards the front, the front end of the grasping part forms a chair back connecting end used for connecting a chair back, the bottom surface of the grasping part is open, the interior of the grasping part is hollow to form an accommodating cavity, a control handle is arranged in the grasping part and connected with a pulling rope, the control handle is partially positioned in the accommodating cavity, and the control handle is partially exposed out of the opening of the bottom surface of the grasping part downwards to form a pressing part; the holding chamber is communicated with the inner cavity of the end cap, an avoiding notch for leading the traction rope into the inside of the stand column is arranged at the position, corresponding to the holding chamber, of the upper end of the stand column, the traction rope enters the switch connected to the actuator inside the stand column from the avoiding notch, and the control handle acts under the action of external force to control the actuator to act so as to realize the telescopic change of the stand column.

When the flexible lift of control stand, the actuator provides lift adjustment's power, when adjusting, thereby hold the holistic stability of grasping portion control, the uncovered holding chamber with cavity formation in grasping portion bottom surface can hide the control handle part of control pulling rope action in the holding intracavity, the portion that exposes is for pressing the splenium, the pulling rope is being connected between splenium and the actuator, and inside the stand was introduced from the holding chamber to the pulling rope through the dodge breach on the stand in, thereby also make the pulling rope can not expose the outside of stand outside or holding chamber, aesthetic property has been increased. Simultaneously the grasping portion makes the grasping portion not only act as the point location of connecting the back of the chair because the back of the chair link that its front end formed, also can carry out operations such as push-and-pull removal to whole thing to sit on through the grasping portion, also provides the installation point location of control handle simultaneously, and the uncovered and cavity holding chamber of cavity formation in grasping portion bottom surface makes control handle can hide its first half, only exposes according to the splenium, has improved holistic aesthetic property.

Preferably, one end of the control handle is rotatably connected with the gripping part through a rotating shaft, the pressing part moves towards the accommodating cavity under the action of external force so that the pulling rope opens the switch of the actuator, and otherwise, the pressing part moves towards the direction exposed out of the accommodating cavity so as to close the switch of the actuator.

When the chair back and the seat are adjusted, one end of the control handle connected in the grasping part rotates around the rotating shaft through rotation, so that the other end of the control handle is displaced, the traction rope is pulled to act, the traction rope is connected to the switch of the actuator, and therefore the action of the control handle can indirectly control the switch of the actuator, and the chair back and the seat are convenient to use and operate.

Preferably, the pulling rope comprises a fixed sleeve and a pulling rope positioned in the fixed sleeve, a bayonet is arranged on the lower edge of the avoiding gap of the upright post, one end of the fixed sleeve is clamped at the bayonet to ensure that the end of the fixed sleeve is relatively fixed with the upright post, and the other end of the fixed sleeve is connected to the side position of the actuator switch; one end of the pull wire is connected to the control handle, the other end of the pull wire is connected to the actuator switch, and the pull wire is pulled to move in the fixed sleeve along with the action of the control handle so as to pull the actuator switch.

The setting of fixed sleeving on the one hand protects the acting wire, on the other hand also can prevent the phenomenon that the acting wire appears and loosens, act on the control handle through external force and rotate, make it drive the switch that pulls the rope pulling actuator, when pressing the splenium towards exposing holding chamber direction action, the phenomenon that the acting wire can not appear and loosen under fixed sleeving's cladding leads to acting wire to break away from and control handle or actuator's connection, fixed sleeving both ends homogeneous phase is relatively fixed, one end card is in bayonet joint department, the switch side at the actuator is connected to the other end, there is fine limiting displacement to the acting wire.

Preferably, a pressure spring for controlling the handle to reset is arranged in the accommodating cavity, the upper end of the pressure spring is connected to the top surface in the accommodating cavity, and the lower end of the pressure spring is connected to the pressing part.

The effect of pressure spring is that after the control handle is pressed by external force and is rotated, the switch that drives the actuator opens, is convenient for adjust the height of stand to adjust the position of seat support and back of the chair, when loosening external force, the elasticity of pressure spring can make control handle automatic re-setting and drive the stay cord and close the switch of actuator, need not to adjust in addition and close convenience very.

Preferably, the upright column comprises a pile foundation part fixedly connected to the supporting foot and a movable sleeve part movably sleeved outside the pile foundation part, and the chair back and the chair seat are configured to be connected to the movable sleeve part; one end of the actuator is fixedly connected in the pile base part, the other end of the actuator is relatively fixed with the movable sleeve part, and the actuator extends or contracts to drive the movable sleeve part to lift along the pile foundation part so as to enable the whole upright to stretch and retract.

The stand forms through can mutual gliding pile foundation portion and the connection of activity sleeve portion, and pile foundation portion is fixed connection relatively motionless on the supporting legs, and actuator one end fixed connection is on pile foundation portion, and the other end is connected in activity sleeve portion, and when the flexible action takes place for the stopper, can drive activity sleeve portion and slide along pile foundation portion and go up and down, and then adjust the position of the back of the chair and seat support.

Preferably, the actuator is a pneumatic rod, a cylinder of the pneumatic rod is fixedly connected with the pile foundation part, and a piston rod of the pneumatic rod and the movable sleeve part move synchronously.

The cylinder barrel of the pneumatic rod is connected into the pile base portion and is fixed, when the pull rope drives the switch of the pneumatic rod, the piston rod stretches and retracts to lift, the movable sleeve portion is driven to stretch and retract synchronously, the chair back and the chair seat are connected onto the movable sleeve portion, and therefore synchronous adjustment of the piston rod and the movable sleeve portion can be achieved.

Preferably, the top end of the upright post is provided with a sealing cover, and the end cap is sleeved at the top of the upright post and is fixedly connected with the sealing cover through a bolt.

The utility model provides a seat, includes back of the chair, seat support and as above back of the chair seat synchronous regulation control assembly, back of the chair upper end is connected with back of the chair link rotation, back of the chair lower extreme movable sleeve establish on the stand and can follow the stand and remove and stop at preset position.

When the chair back is adjusted, the lower end of the chair back is adjusted up and down along the upright post, the upper end of the chair back is rotatably connected with the connecting end of the chair back, and when the lower end of the chair back is adjusted up and down, the upper end can slightly rotate, so that the chair back can be conveniently adjusted to a proper position.

Compared with the prior art, the beneficial effects of the utility model are that:

the chair back and the chair seat on the upright post can be adjusted according to the use habit of the chair back and the chair seat, and after the use scene is changed after the adjustment is finished, the chair back and the chair seat can be conveniently and synchronously adjusted through the telescopic lifting of the upright post; the grasping part not only provides a point position for connecting the chair back, but also is convenient for a user to push and pull the movement of the whole seat; meanwhile, the accommodating cavity formed by the opening of the bottom surface of the gripping part and the hollow inside can accommodate the part hiding the control handle, and the pressing part extending out of the accommodating cavity is convenient for a user to press a switch driving the pulling rope to pull the actuator, so that the use convenience and the use attractiveness are further improved.

The avoiding notch is convenient for leading the pulling rope into the upright post, the bayonet arranged at the lower edge of the avoiding notch is convenient for fixing one end of the fixed sleeve, and the other end of the fixed sleeve is fixedly connected at the side of the switch of the actuator, so that the pulling rope can conveniently act in the fixed sleeve, and the condition that the pulling rope is separated from the control handle or the actuator due to looseness can be avoided.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the control assembly according to the present invention;

FIG. 2 is a side view of the overall structure of the control assembly according to the present invention;

fig. 3 is a first structural sectional view of a specific application part of the control assembly of the present invention;

FIG. 4 is a second structural sectional view of a specific application part of the control assembly of the present invention;

fig. 5 is a schematic view of a portion of the structure of fig. 4.

Description of the drawings: 1. a chair back; 2. a column; 201. a pile base; 202. a movable sleeve portion; 11. supporting legs; 12. an end cap; 13. a grip portion; 23. a chair seat; 40. a gas pressure bar; 41. a hauling rope; 42. a control handle; 47. a pressure spring; 51 an accommodating cavity; 52. avoiding the notch; 521. and (4) a bayonet.

Detailed Description

The following describes in detail an embodiment of the present invention with reference to the drawings.

In the embodiment, a chair back and seat synchronous adjustment control assembly is specifically disclosed, as shown in fig. 1-5, the structure specifically comprises an upright post 2 for supporting a chair back 1 and a seat 23, the upright post 2 is erected on a supporting foot 11, an actuator for driving the upright post 2 to stretch and retract is arranged in the upright post 2, and an end cap 12 is buckled at the top of the upright post 2; the end cap 12 extends out of the grasping part 13 towards the front, the front end of the grasping part 13 forms a chair back connecting end for connecting a chair back, the bottom surface of the grasping part 13 is open, the grasping part 13 is hollow to form an accommodating cavity 51, a control handle 42 is arranged in the grasping part 13, the control handle 42 is connected with a pulling rope 41, the control handle 42 is partially positioned in the accommodating cavity 51, and the control handle 42 is partially exposed out of the bottom surface of the grasping part 13 downwards to form a pressing part; the accommodating cavity 51 is communicated with the inner cavity of the end cap 12, an avoiding notch 52 for leading the pulling rope 41 into the upright post 2 is arranged at the position of the upper end of the upright post 2 corresponding to the accommodating cavity 51, the pulling rope 41 enters the upright post 2 from the avoiding notch 52 and is connected to a switch of the actuator, and the control handle 42 acts under the action of external force to control the actuator to act through the pulling rope 41 to realize the telescopic change of the upright post 2.

When adjusting back of the chair 1 and seat support 23, can adjust respectively the position of back of the chair 1 and seat support 23, to same user, when use scene or environmental change, need adjust back of the chair 1 or seat support 23 again, only need through the flexible lift adjustment of stand 2, can carry out synchronous regulation with back of the chair 1 and seat support 23.

Specifically, install the actuator and then drive stand 2 and stretch out and draw back in stand 2, the buckle is equipped with end cap 12 on stand 2 simultaneously, extends out gripping portion 13 at end cap 12 front side, and gripping portion 13 provides the position that the back of the chair 1 is connected, has also made things convenient for the user to the holistic push-and-pull removal of thing to the thing to sit on. Meanwhile, the bottom surface of the grasping portion 13 is open, the interior of the grasping portion is hollow, and a containing cavity 51 is formed, so that part of the control handle 42 for controlling the action of the pulling rope 41 can be hidden in the containing cavity 51, meanwhile, the pressing portion is exposed out of the containing cavity 51, the pressing of a user can be conveniently carried out by controlling, the pulling rope 41 connected with the control handle 42 is introduced into the upright post 2 from an avoiding notch 52 arranged on the upright post 2, and then is connected to an actuator switch in the upright post 2, the space is fully utilized, the use convenience is improved, and the attractiveness is also improved.

As shown in fig. 3-5, one end of the control handle 42 is rotatably connected to the grip portion 13 through a rotating shaft, and the pressing portion moves into the accommodating cavity 51 under the action of an external force to enable the pulling rope 41 to open the switch of the actuator, whereas the pressing portion moves towards the direction exposed from the accommodating cavity 51 to close the switch of the actuator.

When the upright post 2 is adjusted in a telescopic lifting mode, a user presses the control handle 42 by applying pressure outside, the control handle 42 rotates around the rotating shaft under the action of the pressure, and the action in the accommodating cavity 51 drives the pulling rope 41 to act together, so that the switch of the actuator is started; similarly, when the switch of the actuator needs to be closed, the control handle 42 only needs to be moved out of the accommodating cavity 51.

As shown in fig. 3, the pulling rope 41 includes a fixed sleeve and a pulling rope located in the fixed sleeve, a bayonet 521 is provided at the lower edge of the avoiding notch 52 of the upright 2, one end of the fixed sleeve is clamped at the bayonet 521 to keep the end of the fixed sleeve relatively fixed with the upright 2, and the other end of the fixed sleeve is connected to the side position of the actuator switch; one end of the pull wire is connected to the control handle 42, and the other end of the pull wire is connected to the actuator switch, and the pull wire is pulled to move in the fixed sleeve along with the action of the control handle 42 so as to pull the actuator switch.

The fixing sleeve arranged outside the pull wire can protect the pull wire on one hand and prevent the pull wire from being loosened when the actuator switch is closed, so that the pull wire is separated from the connection with the actuator or the control handle 42. The fixed sleeve limits the loose displacement of the pull wire, and simultaneously, one end of the fixed sleeve is clamped on the bayonet 521, and the other end of the fixed sleeve is connected to the lateral position of the actuator switch, so that the two ends are relatively fixed, and the pull wire can only act in the fixed sleeve.

As shown in fig. 3, a compression spring 47 for controlling the return of the handle 42 is disposed in the accommodating chamber 51, an upper end of the compression spring 47 is connected to an inner top surface of the accommodating chamber 51, and a lower end of the compression spring 47 is connected to the pressing portion.

The effect of pressure spring 47 is in order to further improve the convenience of using, when the user applys external force and presses control handle 42, can drive the stay cord and move and then open the switch of actuator in fixed sleeve, and pressure spring 47 is in compression state this moment, can produce elasticity, when the user loosens the control handle 42 of pressing, elasticity drive control handle 42 resets, and then close the switch of actuator, thereby need not realize closing of actuator towards the outer action of holding chamber 51 to control handle 42 after adjusting, very convenience.

As shown in fig. 4-5, to further explain how the upright post 2 is telescopic, the upright post 2 includes a pile portion 201 fixedly connected to the supporting foot 11 and a movable sleeve portion 202 movably sleeved outside the pile portion 201, and the backrest 1 and the seat 23 are configured to be connected to the movable sleeve portion 202; one end of the actuator is fixedly connected in the pile base part 201, the other end of the actuator is relatively fixed with the movable casing part 202, and the actuator extends or contracts to drive the movable casing part 202 to lift along the pile base part 201 so as to extend or contract the whole upright column 2.

When the upright column 2 is telescopically adjusted, the pile foundation part 201 is connected to the supporting foot 11 and fixed, and one end of the actuator is also fixedly connected to the inside of the pile base part 201, so that the movable sleeve part 202 which is slidably sleeved outside the pile base part 201 is connected to the other end of the actuator, when the actuator extends and retracts, the movable sleeve part 202 can be driven to synchronously extend and retract, and the chair back 1 and the chair seat 23 are connected to the movable sleeve part 202, so that the chair back 1 and the chair seat 23 can be respectively adjusted on the movable sleeve part 202, and can also be synchronously adjusted by sliding and retracting of the movable sleeve part 202, which is very convenient.

As shown in fig. 4-5, the actuator is a pneumatic rod 40, a cylinder of the pneumatic rod 40 is fixedly connected to the pile portion 201, and a piston rod of the pneumatic rod 40 moves synchronously with the movable sleeve portion 202.

Compared with mechanical transmission, the pneumatic rod 40 is more stable and convenient, adjustment can be achieved without applying large force, in actual driving, the cylinder barrel of the pneumatic rod 40 is fixedly connected with the pile foundation portion 201, meanwhile, the piston rod of the pneumatic rod 40 is connected with the movable sleeve portion 202, and when the switch of the pneumatic rod 40 is pulled to be opened, the piston rod can drive the movable sleeve portion 202 to adjust the position along the pile foundation portion 201.

The top end of the upright post 2 is provided with a sealing cover, and the end cap 12 is sleeved on the top of the upright post 2 and is fixedly connected with the sealing cover through a bolt.

The chair back and seat synchronous regulation control assembly is applied to a chair, and the specific structure of the chair back and seat synchronous regulation control assembly comprises a chair back 1, a seat 23 and the chair back and seat synchronous regulation control assembly, wherein the upper end of the chair back 1 is rotatably connected with a chair back connecting end, and the lower end of the chair back 1 is movably sleeved on an upright post 2 and can move along the upright post 2 and stay at a preset position.

As shown in fig. 1-2, when the seat 23 is adjusted, the seat 23 can be adjusted to a proper position by moving up and down; when the chair back 1 is adjusted, because the chair back 1 is mostly made of elastic materials, the upper end of the chair back 1 is rotatably connected with the connecting end of the chair back, the lower end of the chair back 1 is movably sleeved on the upright post 2, when the lower end of the chair back 1 moves up and down, the upper end of the chair back 1 can correspondingly rotate to adapt to the adjustment of the lower end of the chair back 1, so that the curvature and the position of the chair back 1 can be adjusted, and the requirements of different people can be met by matching with the telescopic lifting of the upright post 2.

The above description in this specification is merely illustrative of the present invention. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. A synchronous regulation control assembly for a chair back and a chair seat comprises an upright post (2) for supporting a chair back (1) and a chair seat (23), wherein the upright post (2) is erected on a supporting foot (11), and is characterized in that an actuator for driving the upright post (2) to stretch is arranged in the upright post (2), and the top of the upright post (2) is buckled with an end cap (12); the end cap (12) extends out of the grasping part (13) towards the front, the front end of the grasping part (13) forms a chair back connecting end used for being connected with a chair back, the bottom surface of the grasping part (13) is open, the interior of the grasping part (13) is hollow to form an accommodating cavity (51), the grasping part (13) is internally provided with a control handle (42), the control handle (42) is connected with a pulling rope (41), the control handle (42) is partially positioned in the accommodating cavity (51), and the control handle (42) is partially exposed out of the bottom surface of the grasping part (13) downwards to form a pressing part; the containing cavity (51) is communicated with the inner cavity of the end cap (12), an avoiding notch (52) for leading the pulling rope (41) into the inside of the upright column (2) is arranged at the corresponding position of the upper end of the upright column (2) and the containing cavity (51), the pulling rope (41) enters the switch connected to the actuator from the avoiding notch (52) to the inside of the upright column (2), and the control handle (42) acts under the action of external force to control the actuator to act through the pulling rope (41) to realize the telescopic change of the upright column (2).

2. The synchronous adjustment control assembly for the chair back and the seat as claimed in claim 1, wherein one end of the control handle (42) is rotatably connected with the grasping portion (13) through a rotating shaft, the pressing portion moves towards the accommodating cavity (51) under the action of external force to enable the pulling rope (41) to open the switch of the actuator, and otherwise, the pressing portion moves towards the direction exposed out of the accommodating cavity (51) to close the switch of the actuator.

3. The assembly for synchronously adjusting and controlling the chair back and the chair seat as claimed in claim 2, characterized in that the pulling rope (41) comprises a fixed sleeve and a pulling rope positioned in the fixed sleeve, a bayonet (521) is arranged at the lower edge of the avoiding gap (52) of the upright post (2), one end of the fixed sleeve is clamped at the bayonet (521) to ensure that the end of the fixed sleeve is kept relatively fixed with the upright post (2), and the other end of the fixed sleeve is connected to the side position of the actuator switch; one end of the pull wire is connected to the control handle (42), the other end of the pull wire is connected to the actuator switch, and the pull wire is pulled to move in the fixed sleeve along with the action of the control handle (42) so as to pull the actuator switch.

4. The synchronous regulation and control assembly of the chair back and the seat according to claim 2, characterized in that a compression spring (47) for controlling the return of the handle (42) is arranged in the accommodating cavity (51), the upper end of the compression spring (47) is connected to the inner top surface of the accommodating cavity (51), and the lower end of the compression spring (47) is connected to the pressing part.

5. The chair back and seat synchronous adjustment control assembly of claim 1, characterized in that the upright column (2) comprises a pile base part (201) fixedly connected to the supporting foot (11) and a movable sleeve part (202) movably sleeved outside the pile base part (201), and the chair back (1) and the seat (23) are configured to be connected to the movable sleeve part (202); one end of the actuator is fixedly connected in the pile base (201), the other end of the actuator is kept relatively fixed with the movable sleeve part (202), and the actuator extends or contracts to drive the movable sleeve part (202) to lift along the pile base (201) so as to enable the upright post (2) to extend and retract integrally.

6. The synchronous back-seat adjustment control assembly of claim 5, wherein the actuator is a pneumatic rod (40), a cylinder of the pneumatic rod (40) is fixedly connected with the pile base (201), and a piston rod of the pneumatic rod (40) moves synchronously with the movable sleeve portion (202).

7. The synchronous adjusting and controlling assembly of the chair back and the chair seat as claimed in claim 1, characterized in that a sealing cover is arranged at the top end of the upright post (2), and the end cap (12) is sleeved on the top of the upright post (2) and is fixedly connected with the sealing cover through a bolt.

8. A seat, characterized by: the chair back and seat synchronous adjustment control assembly comprises a chair back (1), a seat (23) and the chair back and seat synchronous adjustment control assembly according to any one of claims 1 to 7, wherein the upper end of the chair back (1) is rotatably connected with a chair back connecting end, and the lower end of the chair back (1) is movably sleeved on an upright post (2) and can move along the upright post (2) and stay at a preset position.