CN208941395U - A kind of office chair easy to adjust - Google Patents

Abstract

The utility model discloses a kind of office chairs easy to adjust, including pedestal, the pedestal upper end is welded with fixing seat, mounting groove is offered inside the fixing seat, rotation chamber is offered inside the mounting groove, the intracavitary portion of rotation is rotatably connected to rotation pipe, the rotation pipe internal sleeve is equipped with support column, the rotation inside pipe wall offers internal screw thread, the support column lateral wall offers external screw thread, the support column bottom is welded with limited block, the two sides sidewall symmetry of the mounting groove offers the limiting slot that cooperation limited block uses, the both ends of the limited block are corresponding to be located in two limiting slots and is slidably connected with limiting slot, first bevel gear is also socketed with outside the rotation pipe.The utility model is convenient for the height of adjusting seat, and seat can be increased by standing from seat without using person, and backrest can massage user back, alleviates and has a pain in the back caused by long-time sitting work, comfort level is higher.

Description

A kind of office chair easy to adjust

Technical field

The utility model relates to novel office table separations, more particularly to a kind of office chair easy to adjust.

Background technique

Office chair refers in routine work and social activities to be the work conveniently various chairs of outfit.One comfortable Office chair can provide more comfortable working environment for employee.Existing office chair usually requires user from seat when adjusting height Standing up on chair can just make gas bar increase the height of seat, and existing office chair backrest usually makes fixation, sits for a long time Appearance work is often had a pain in the back, inconvenient for use.

Utility model content

Purpose of the utility model is to solve usually require to make when existing office chair adjusts height in the prior art User stands up from seat can just make gas bar increase the height of seat, and existing office chair backrest usually makes fixation, Long-time sitting work is often had a pain in the back, problem inconvenient for use, and the office chair that the one kind proposed is easy to adjust.

To achieve the goals above, the utility model adopts the technical scheme that a kind of office chair easy to adjust, packet Pedestal is included, the pedestal upper end is welded with fixing seat, and mounting groove is offered inside the fixing seat, is opened up inside the mounting groove There is rotation chamber, the intracavitary portion of rotation is rotatably connected to rotation pipe, and the rotation pipe internal sleeve is equipped with support column, the rotation pipe Inner wall offers internal screw thread, and the support column lateral wall offers external screw thread, and support column is threadedly coupled with rotation pipe, the branch Dagger bottom is welded with limited block, and the two sides sidewall symmetry of the mounting groove offers the limiting slot that cooperation limited block uses, institute State limited block both ends it is corresponding be located in two limiting slots and be slidably connected with limiting slot, the is also socketed with outside the rotation pipe One bevel gear, the fixing seat side wall are welded with support frame, and support frame as described above upper end is equipped with first motor, the first motor Output rod through fixing seat and being welded with second bevel gear, and second bevel gear is engaged with first bevel gear, the support column Upper end fixation is supported by seat, and the seat rotation is connected with backrest, is equipped with massage mechanism inside the backrest.

In above-mentioned one kind office chair easy to adjust, the massage mechanism includes the fixed frame of backrest interior welds, Through more rotation axis are rotatably connected on the fixed frame, the fixed frame is rotatably connected to multiple massages by rotation axis Roller, a part of each Massage roller extend through to the outer surface of backrest, and the rotation axis is located at one outside fixed frame End is socketed with gear, and the fixed frame upper end is equipped with the second motor, and the output rod rod end of second motor is also socketed with Gear is engaged with synchronous belt between the gear jointly, and the massage roller surface is bonded with multiple hemisphere juts, the hemisphere jut Using memory sponge material.

In above-mentioned one kind office chair easy to adjust, the cunning that cooperation limited block uses is offered in the limiting slot Rail.

In above-mentioned one kind office chair easy to adjust, inclination is welded between support frame as described above bottom end and fixing seat side wall The reinforcing rib of setting, the reinforcing rib use cylindrical structure.

In above-mentioned one kind office chair easy to adjust, the backrest is made of sponge material, and backrest surface is opened The through-hole used equipped with cooperation Massage roller.

In above-mentioned one kind office chair easy to adjust, the first motor uses servo motor.

Utility model has the advantages that 1, by driving first motor transmission make support column drive seat along fixing seat The mounting groove in portion is gone up and down, so that the height of seat be adjusted, seat can be increased by standing from seat without using person；2, lead to Second motor drive of overdriving drives Massage roller and massages the hemisphere jut rotation of roller surface, massages user back, Alleviate and have a pain in the back caused by long-time sitting work, comfort level is higher.

Detailed description of the invention

Fig. 1 be the utility model proposes one kind office chair easy to adjust structural schematic diagram；

Fig. 2 be the utility model proposes one kind office chair backrest part easy to adjust structural schematic diagram.

In figure: 1 pedestal, 2 fixing seats, 3 mounting grooves, 4 rotation pipes, 5 support columns, 6 limited blocks, 7 limiting slots, 8 first cone teeth Wheel, 9 support frames, 10 first motors, 11 second bevel gears, 12 seats, 13 backrests, 14 fixed frames, 15 Massage rollers, 16 gears, 17 Second motor, 18 synchronous belts, 19 hemisphere juts.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, a kind of office chair easy to adjust, including pedestal 1,1 upper end of pedestal are welded with fixing seat 2, fixed Mounting groove 3 is offered inside seat 2, rotation chamber is offered inside mounting groove 3, intracavitary portion is rotated and is rotatably connected to rotation pipe 4, is rotated 4 internal sleeve of pipe is equipped with support column 5, and 4 inner wall of rotation pipe offers internal screw thread, and 5 lateral wall of support column offers external screw thread, and supports Column 5 is threadedly coupled with rotation pipe 4, and 5 bottom of support column is welded with limited block 6, and the two sides sidewall symmetry of mounting groove 3 offers cooperation The limiting slot 7 that limited block 6 uses, the both ends of limited block 6 are corresponding to be located in two limiting slots 7 and is slidably connected with limiting slot 7, is limited The sliding rail that cooperation limited block 6 uses is offered in the slot 7 of position, goes up and down support column 5 inside mounting groove 3 more stable, rotation pipe 4 Outside is also socketed with first bevel gear 8, and 2 sidewall weld of fixing seat has support frame 9, and 9 upper end of support frame is equipped with first motor 10, First motor 10 uses servo motor, and the course changing control seat 12 by controlling first motor 10 is gone up and down, 9 bottom end of support frame and solid The reinforcing rib being obliquely installed is welded between 2 side wall of reservation, reinforcing rib uses cylindrical structure, makes support frame 9 to first motor 10 Support construction it is more firm, the output rod of first motor 10 through fixing seat 2 and is welded with second bevel gear 11, and the second cone Gear 11 is engaged with first bevel gear 8, and the fixation of 2 upper end of support column is supported by seat 12, and seat 12 is rotatably connected to backrest 13.

Massage mechanism is installed, massage mechanism includes the fixed frame 14 of 13 interior welds of backrest, fixed frame inside backrest 13 Through more rotation axis are rotatably connected on 14, fixed frame 14 is rotatably connected to multiple Massage rollers 15 by rotation axis, each presses The a part of roller 15 of rubbing extends through to the outer surface of backrest 13, and backrest 13 is made of sponge material, and 13 surface of backrest is opened Equipped with the through-hole that cooperation Massage roller 15 uses, prevent Massage roller 15 from rubbing when rotating with backrest 13, and backrest 13 is using sea Continuous material comfort level is higher, and one end that rotation axis is located at outside fixed frame 14 is socketed with gear 16, the installation of 14 upper end of fixed frame There is the second motor 17, the output rod rod end of the second motor 17 is also socketed with gear 16, is engaged with synchronous belt 18 jointly between gear 16, 15 surface of Massage roller is bonded with multiple hemisphere juts 19, and hemisphere jut 19 uses memory sponge material, prevents the overlong time ball leaned on Shape protrusion 19 deforms.

When using the utility model, when needing to adjust the height of office chair, driving first motor 10 drives the second cone The rotation of gear 11, the rotation of second bevel gear 11 drive the first bevel gear 8 of engagement and rotation pipe 4 to rotate, and due to support column 5 and turn Dynamic pipe 4 is threadedly coupled and the limited block 6 of 5 bottom end of support column is limited slot 7 and limits, and the rotation of rotation pipe 4 drives support column 5 along peace Tankage 3 is gone up and down, so that the height of seat 12 be adjusted, can increase seat 12 without standing from seat 12；Work as user The sitting work time is longer when feeling fatigue, and driving the second motor 17 rotation is pressed in the effect drive of gear 16 and synchronous belt 18 Rub 15 surface of roller 15 and Massage roller hemisphere jut 19 rotate, user back is massaged.

It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of office chair easy to adjust, including pedestal (1), which is characterized in that pedestal (1) upper end is welded with fixing seat (2), it is offered mounting groove (3) inside the fixing seat (2), offers rotation chamber, the rotation chamber inside the mounting groove (3) Inner rotation is connected with rotation pipe (4), and rotation pipe (4) internal sleeve is equipped with support column (5), and rotation pipe (4) inner wall is opened Equipped with internal screw thread, support column (5) lateral wall offers external screw thread, and support column (5) is threadedly coupled with rotation pipe (4), institute It states support column (5) bottom to be welded with limited block (6), the two sides sidewall symmetry of the mounting groove (3) offers cooperation limited block (6) The limiting slot (7) used, the both ends of the limited block (6) are corresponding to be located in two limiting slots (7) and slides company with limiting slot (7) It connects, is also socketed with first bevel gear (8) outside the rotation pipe (4), fixing seat (2) sidewall weld has support frame (9), institute It states support frame (9) upper end to be equipped with first motor (10), the output rod of the first motor (10) through fixing seat (2) and is socketed Have second bevel gear (11), and second bevel gear (11) is engaged with first bevel gear (8), support column (5) upper end is welded with Seat (12), the seat (12) are rotatably connected to backrest (13), are equipped with massage mechanism inside the backrest (13).

2. one kind according to claim 1 office chair easy to adjust, which is characterized in that the massage mechanism includes backrest (13) fixed frame (14) of interior welds, through being rotatably connected to more rotation axis, the fixed frame on the fixed frame (14) (14) it is rotatably connected to multiple Massage rollers (15) by rotation axis, a part of each Massage roller (15), which extends through to, to be leaned on The outer surface of (13) is carried on the back, the rotation axis is located at the external one end of fixed frame (14) and is socketed with gear (16), the fixed frame (14) upper end is equipped with the second motor (17), and the output rod rod end of second motor (17) is also socketed with gear (16), described It is engaged with jointly between gear (16) synchronous belt (18), Massage roller (15) surface is bonded with multiple hemisphere juts (19), described Hemisphere jut (19) uses memory sponge material.

3. one kind according to claim 1 office chair easy to adjust, which is characterized in that opened up in the limiting slot (7) The sliding rail for thering is cooperation limited block (6) to use.

4. one kind according to claim 1 office chair easy to adjust, which is characterized in that support frame as described above (9) bottom end with The reinforcing rib being obliquely installed is welded between fixing seat (2) side wall, the reinforcing rib uses cylindrical structure.

5. one kind according to claim 2 office chair easy to adjust, which is characterized in that the backrest (13) uses sponge Material is made, and backrest (13) surface offers the through-hole that cooperation Massage roller (15) uses.

6. one kind according to claim 1 office chair easy to adjust, which is characterized in that the first motor (10) uses Servo motor.