CN211632469U

CN211632469U - Adjusting device for lifting of double air rods

Info

Publication number: CN211632469U
Application number: CN201922148326.XU
Authority: CN
Inventors: 倪良正; 张叙俊; 毛立; 刘长江; 熊德军
Original assignee: Zhejiang Sunon Furniture Manufacturing Co Ltd
Current assignee: Zhejiang Sunon Furniture Manufacturing Co Ltd
Priority date: 2019-12-04
Filing date: 2019-12-04
Publication date: 2020-10-09
Anticipated expiration: 2029-12-04

Abstract

The utility model relates to an adjusting device that two gas poles go up and down, its characterized in that: including the gas pole subassembly, the gas pole subassembly includes first gas pole and second gas pole, first gas pole passes through the leg joint with shown second gas pole, the second gas pole is higher than shown first gas pole, the tip of second gas pole is provided with the base, be provided with the lift control mechanism of control regulation seatpad height in the base. After the handle is pulled, the first air rod is driven to move up and down. After accomplishing first gas pole motion, the second gas pole carries out elevating movement, satisfies high height crowd user demand, and the gas pole rises the back, and the collocation linkage goes up and down pedally, and the person of taking can be more comfortable takes this product seat.

Description

Adjusting device for lifting of double air rods

Technical Field

The utility model belongs to the technical field of the seat and specifically relates to an adjusting device that two gas poles go up and down and belongs to the office chair field.

Background

The lift seat on the existing market, most lift seat products only contain a lift gas pole, and the control range is limited, can only be applicable to partial crowd. This technical scheme contains two lift gas poles and relevant link gear, increases the height adjustment stroke of seat lift, is applicable to more extensive crowd. Some lifting chairs with two cylinders control the piano to lift through double cylinders, mainly use quick lifting as a main design target, and need two supporting legs to support the cylinders for lifting operation. The riding comfort and the functionality of the seat product are improved, the positioning of the seat is improved, and the competitiveness of the seat product is increased.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem existing in the above, the utility model discloses a following scheme:

the utility model provides an adjusting device that two air levers go up and down which characterized in that: including the gas pole subassembly, the gas pole subassembly includes first gas pole and second gas pole, first gas pole passes through the leg joint with shown second gas pole, the second gas pole is higher than shown first gas pole, the tip of second gas pole is provided with the base, be provided with the lift control mechanism of control regulation seatpad height in the base.

Adjusting device that two gas poles go up and down, its characterized in that: the lifting control mechanism comprises a handle and a transmission assembly, and the handle is connected with the transmission assembly through a pull wire.

Adjusting device that two gas poles go up and down, its characterized in that: the transmission assembly comprises a transmission shaft, a connecting plate is arranged at the upper end of the transmission shaft, a convex block is arranged on the connecting plate, a second valve is arranged on the second air rod, and the convex block controls the second valve to be closed.

Adjusting device that two gas poles go up and down, its characterized in that: the connecting plate is provided with a limiting groove, the pull wire is provided with a limiting block, the limiting block is clamped in the limiting groove, and the pull wire pulls the transmission assembly to rotate.

Adjusting device that two gas poles go up and down, its characterized in that: the connecting plate is provided with a spring seat, a spring is sleeved on the spring seat, and the spring is used for enabling the transmission assembly to reset.

Adjusting device that two gas poles go up and down, its characterized in that: the lower extreme of transmission shaft is provided with the turning block, be provided with first valve on the first gas pole, the turning block control first valve is closed.

Adjusting device that two gas poles go up and down, its characterized in that: the pull wire is provided with a handle, and the handle is provided with a groove for facilitating insertion of fingers.

Adjusting device that two gas poles go up and down, its characterized in that: the pull wire is provided with two wire control heads which are clamped on the base, a protective sleeve is arranged between the wire control heads, and the pull wire penetrates through the protective sleeve.

Adjusting device that two gas poles go up and down, its characterized in that: the support is provided with a connecting block, and the connecting block is provided with a pedal.

Adjusting device that two gas poles go up and down, its characterized in that: a supporting seat for supporting the base is arranged at the end part of the second air rod;

and an air rod shell is arranged on the outer side of the bracket.

This adjusting device that two gas poles go up and down has following beneficial effect:

1. change current seat form, on original first air stem basis, set up second air stem mechanism, increase seat altitude mixture control, satisfy more different height crowds, improved the product location in appearance and function, very big increase the competitive advantage of seat product.

2. Set up second gas pole and pedal function on ordinary seat, at very big application range that has increased the product, improve the practicality of product, let the user can use at more scenes such as desktop, bar counter.

Drawings

FIG. 1: the schematic view of the adjusting device for the lifting of the double air rods of the utility model;

FIG. 2: the utility model discloses an explosion diagram of a double-air-rod lifting adjusting device;

FIG. 3: the connection between the lifting control mechanism and the gas rod of the adjusting device for lifting the double gas rods is shown schematically;

FIG. 4: the utility model discloses adjusting device drive assembly schematic diagram that two gas poles go up and down.

Description of reference numerals:

1, a cushion shell; 2, a gas rod shell; 21, a bracket; 211 connecting blocks; 3 a first air rod; 31 a first valve; 4 a second air rod; 41 a second valve; 42 supporting the seat; 5, a lifting control mechanism; 51; a transmission assembly; 511 a turning block; 512 a drive shaft; 513 a limiting groove; 514 spring seats; 515 bumps; 52 a handle; 53, pulling the wire; 531 a limit block; 532 linear control head; 54 springs; 61 a base housing; 62 a base inner shell; 7, pedaling.

Detailed Description

The following detailed description will be made in conjunction with the accompanying drawings to make the technical solution of the present invention easier to understand and master.

As shown in fig. 1, the utility model discloses adjusting device that two gas poles go up and down, including the gas pole subassembly, wherein the bottom that first gas pole 3 arrived is connected on the chassis of seat, and its top is connected on gas pole shell 2, and gas pole shell 2 is inside to be provided with the second gas pole and to be used for connecting the support of gas pole to and the elevating gear who controls the seat and goes up and down. The seat cushion shell 1 is arranged above the air rod shell 2, and the pedal 7 is arranged below the air rod shell.

Referring to fig. 2 to 4, the second air lever 4 is connected to the inside of the air lever housing 2 through a bracket 21 provided inside the air lever housing 2, and the second air lever 4 is connected to a position higher than the first air lever 3. The gas pole subassembly top is provided with the base, including base shell 61, is provided with the supporting seat 42 that is used for supporting the base on the second gas pole 4, and base shell 61 passes through supporting seat 42 and connects in the gas pole subassembly top. The inside of base shell 61 is provided with lift control mechanism 5, and the top is provided with the base inner shell 62 that is used for sealing the base, and the base top is provided with cushion shell 1. The elevation control mechanism 5 includes a transmission assembly 51 and a handle 52 disposed at one side of the transmission assembly 51 for controlling elevation, and is connected to the transmission assembly 51 through a pull wire 53. The cushion shell 1 is provided with an opening, and the handle 52 is provided on the opening.

The transmission assembly 51 comprises a transmission shaft 512, the transmission shaft 512 penetrates through the base shell 61, a connecting plate is arranged above the transmission shaft 512, and a rotating block 511 is arranged below the transmission shaft. One end of the pull wire 53 is connected to the handle 52, the other end of the pull wire is provided with a limiting block 531, a limiting groove 513 is formed in the connecting plate, the limiting block 531 is clamped in the limiting groove 513, the handle 52 is pulled to drive the connecting plate to rotate, and meanwhile, the whole transmission assembly 51 rotates. A spring seat 514 is arranged on the connecting plate, a spring 54 is arranged on the spring seat 514, and the transmission assembly 51 is reset through the spring 54. The top of first gas pole 3 is provided with the first valve 31 of control gas pole piston rod antithetical couplet through-hole switching, is provided with the second valve on the second gas pole 4, and pulling handle 52, when turning block 511 followed transmission shaft 512 and rotated, opened first valve 31 behind the contact first valve 31, the big piston rod of the inside atmospheric pressure of first gas pole 3 stretches out, rising support 21 is in order to rise the seat. The connecting plate is provided with a lug 515, the lug 515 is contacted with the second valve 42 by continuously pulling the handle 52, then the second valve 41 is opened, and the piston rod in the second air rod 4 extends out to continuously lift the seat, so that the seat is lifted for the second time.

The bracket 21 is provided with a connecting block 211, and the pedal 7 is arranged on the bracket 21 through the connecting block 211.

Two wire control heads 532 are arranged on the pull wire 53, the wire control heads 532 are clamped in clamping grooves in the base shell 61, a protective sleeve is arranged between the wire control heads 532, and the pull wire penetrates through the protective sleeve to reduce friction between the pull wire 53 and the base and prolong the service life of the pull wire 53.

The handle 52 is provided with a groove to facilitate pulling the handle 52.

The lifting principle of the seat is as follows: the air pressure in the air rod is higher than the external atmospheric pressure, and the two sides of the piston in the air rod are communicated with each other through small holes. The piston rod is provided with a shaft, the end part of the shaft is provided with a valve, and the valve is used for controlling the communicating hole of the piston part. When the communication hole is opened, the piston rod of the air rod continuously rises, and the seat at the upper end of the air rod rises; when the communication hole is closed, the height of the seat with the air rod out of work is unchanged. When the height needs to be lowered, the valve is opened to open the communication hole, downward pressure is applied to the seat, the external pressure is larger than the pressure of air pressure in the air rod, the piston rod is lowered, and the seat is lowered.

When the seat cushion lifting device is used, the handle 52 is pulled, the transmission assembly 51 is driven to rotate through the pull wire 53, the rotating block 512 at the bottom of the transmission shaft 511 opens the first valve 31, the first air rod 3 works to lift the second air rod 3 connected to the support 21 and the seat cushion shell 1 above the second air rod 3, if the seat is further lifted continuously, the handle 52 is pulled continuously, the lug 515 on the connecting plate rotates continuously along with the transmission shaft 511 until the second valve 41 is opened, and the second air rod 4 works to lift the base and the seat cushion above the second air rod 4.

When the seat is raised, the height of the seat cushion from the ground is large, and the user can place his feet on the footrests 7. Pedal 7 sets up on support 21, and its and the high regulation and control through second gas pole 4 of seatpad, and when first gas pole 3 risees the back, pedal 7 risees simultaneously, can not lead to user's foot to have no place to place, and the influence is used and is experienced.

Support two sections to adjust, main gas pole elevating height can reach 220mm, vice gas pole elevating height can reach 160mm, satisfies high height crowd's user demand.

After the operating handle 52 is used, the first air rod 3 is driven to move up and down. After the first air rod 3 is moved, the second air rod 4 is moved up and down, and the use requirements of high-height people are met.

After the air rod rises, the pedal is lifted in a linkage way, so that the rider can take the product seat more comfortably.

When the height of the seat is lowered, the seat is lowered to a comfortable height by pulling the handle and then applying pressure to the seat cushion.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and various improvements of the method concept and the technical solution of the present invention can be made without modification, or the present invention can be directly applied to other occasions without modification, and is within the protection scope of the present invention.

Claims

1. The utility model provides an adjusting device that two air levers go up and down which characterized in that: including the gas pole subassembly, the gas pole subassembly includes first gas pole (3) and second gas pole (4), first gas pole (3) are connected through support (21) with shown second gas pole (4), second gas pole (4) are higher than shown first gas pole (3), the tip of second gas pole (4) is provided with the base, be provided with lift control mechanism (5) of control regulation seatpad height in the base.

2. The dual gas lever lift adjustment device of claim 1, wherein: the lifting control mechanism (5) comprises a handle (52) and a transmission assembly (51), wherein the handle (52) is connected with the transmission assembly (51) through a pull wire (53).

3. The dual gas lever lift adjustment device of claim 2, wherein: the transmission assembly (51) comprises a transmission shaft (512), a connecting plate is arranged at the upper end of the transmission shaft (512), a convex block (515) is arranged on the connecting plate, a second valve (41) is arranged on the second air rod (4), and the second valve (41) is controlled to be closed by the convex block (515).

4. The dual gas lever lift adjustment device of claim 3, wherein: the connecting plate is provided with a limiting groove (513), the pull wire (53) is provided with a limiting block (531), the limiting block (531) is clamped in the limiting groove (513), and the pull wire (53) pulls the transmission component (51) to rotate.

5. The adjustment device for dual air lever lifting of claim 3 or 4, wherein: the connecting plate is provided with a spring seat (514), the spring seat (514) is sleeved with a spring (54), and the spring (54) is used for enabling the transmission assembly (51) to reset.

6. The dual gas lever lift adjustment device of claim 3, wherein: the lower extreme of transmission shaft (512) is provided with turning block (511), be provided with first valve (31) on first gas pole (3), turning block (511) control first valve (31) are closed.

7. The double air lever lifting adjusting device according to any one of claims 2 to 4, wherein: the pull wire (53) is provided with a handle (52), and the handle (52) is provided with a groove for facilitating insertion of fingers.

8. The double air lever lifting adjusting device according to any one of claims 2 to 4, wherein: two wire control heads (532) are arranged on the pull wire (53), the wire control heads (532) are clamped on the base, a protective sleeve is arranged between the wire control heads (532), and the pull wire (53) penetrates through the protective sleeve.

9. The dual gas lever lift adjustment device of claim 1, wherein: the support (21) is provided with a connecting block (211), and the connecting block (211) is provided with a pedal (7).

10. The dual gas lever lift adjustment device of claim 1, wherein: a supporting seat (42) for supporting the base is arranged at the end part of the second air rod (4); and an air rod shell (2) is arranged on the outer side of the support (21).