CN215423693U

CN215423693U - Chair height adjusting device for office

Info

Publication number: CN215423693U
Application number: CN202022397573.6U
Authority: CN
Inventors: 张文富
Original assignee: Shanghai Dita Furniture Co ltd
Current assignee: Shanghai Dita Furniture Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2022-01-07
Anticipated expiration: 2030-10-26

Abstract

The utility model discloses a seat height adjusting device for office work, which comprises a support connector, wherein seat supports are fixedly connected to four sides of the support connector, universal wheels are fixedly connected to the bottoms of the seat supports, two supporting block holes are formed in two sides of the outer wall of each seat support in a penetrating mode, and supporting blocks are connected to the insides of the supporting block holes in a sliding mode. This office seat height adjusting device advances the supported hole through the supporting shoe card and will support a section of thick bamboo fixed, with the universal wheel frame in ground, and make office chair fixed to fixed seat when not wanting to remove office chair makes the seat more stable safety, through with the kelly card between the fixture block of different positions, can adjust the height of seat, and go out at the joint and set up the tongue and groove, ensure that the kelly can not fall out, more safety, and simple structure, be convenient for adjust, and is economical and practical.

Description

Chair height adjusting device for office

Technical Field

The utility model relates to the field of office appliances, in particular to a seat height adjusting device for office.

Background

Office chair, it is the various chairs that are equipped for work convenience in daily work and social activity, people's daily life and work and seat can not be separated, no matter study, work, also daily rest all have the companion of this seat, and office chair is as one of numerous seats, play the effect of lifting the foot in people's daily official working, the current work of china needs to be accomplished on the desk in a large number, and people's requirement to office chair just increases day by day, and simultaneously, have also gradually required to office chair's security and economic nature etc. office chair, office chair on the market is various now, adopt the atmospheric pressure to adjust the height of seat more, in addition for convenient the removal, install the gyro wheel, and mostly the integral type, can not dismantle.

However, the conventional office seat height adjusting device in the market generally adjusts the height by using air pressure, has a complex structure, is relatively expensive and is not suitable for large-scale equipment, and has certain danger.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to an office chair height adjusting device to solve the above problems.

In order to achieve the purpose, the utility model provides the following technical scheme: a seat height adjusting device for office use comprises a support connector, wherein seat supports are fixedly connected to four sides of the support connector, universal wheels are fixedly connected to the bottoms of the seat supports, two supporting block holes are formed in two sides of each seat support in a penetrating mode, supporting blocks are connected to the inner portions of the supporting block holes in a sliding mode, push rod holes are formed in two sides of the outer wall of each seat support in a penetrating mode and located above the corresponding supporting block hole, push rods are connected to the inner portions of the push rod holes in a sliding mode, a push rod handle is fixedly connected to one side of each push rod, a first spring is sleeved between the outer wall of each push rod and the corresponding seat support and the corresponding push rod handle, a vertical rod is fixedly connected to the other side of each push rod, a supporting cylinder is fixedly connected to one side of each vertical rod, a supporting cylinder is sleeved at the bottom of the outer wall of each seat support, and the universal wheels are located inside the supporting cylinders, two supporting holes are formed in the two sides of the inner wall of the supporting cylinder, clamping rod holes are formed in the two sides of the support connector in a penetrating mode, a clamping rod is connected to the inner portion of each clamping rod hole in a sliding mode, a panel supporting cylinder is arranged inside the support connector, a plurality of clamping blocks are fixedly mounted on the two sides of the panel supporting cylinder in an equidistant mode, clamping grooves matched with the clamping rods are formed between every two adjacent clamping blocks, and a seat panel is arranged at the top of the panel supporting cylinder.

As a further scheme of the utility model: the utility model discloses a seat support section of thick bamboo, including panel support section of thick bamboo, the panel support section of thick bamboo inner wall, the top fixedly connected with stopper of dead lever, the one side of panel support section of thick bamboo outer wall is run through and has been seted up the draw bar hole, the draw bar has the pull rod through the slide opening sliding connection that sets up on it, and one side of pull rod is passed through the inside of draw bar hole and is extended to the outside of panel support section of thick bamboo, the spacing collar has been cup jointed to the outer wall of pull rod and the inside that is located the panel support section of thick bamboo, the outer wall of pull rod just is located and has cup jointed the second spring between stopper and the spacing collar, the top of pull rod just is located two inside fixedly connected with that the panel supports a section of thick bamboo and runs through the post, the equal fixed mounting in both sides of seat panel bottom has two fixed blocks, one side of fixed block runs through set up with the through hole that runs through post looks adaptation.

As a further scheme of the utility model: the vertical rod is connected with a cross rod matched with the vertical rod in a sliding mode through a sliding hole formed in the vertical rod, and two ends of the cross rod are fixedly connected with two sides of the inner wall of the seat support respectively.

As a further scheme of the utility model: the top and the bottom of the clamping block are provided with grooves, and one side of the pull rod, which is far away from the pull rod handle, is fixedly connected with a convex block matched with the grooves.

As a further scheme of the utility model: the bottom of the supporting cylinder is fixedly connected with a rubber pad.

As a further scheme of the utility model: one side of the clamping rod, which is far away from the clamping block, is fixedly connected with a pull rod handle, and anti-skid stripes are arranged on the surface of the pull rod handle.

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

1. according to the utility model, the supporting block is clamped into the supporting hole to fix the supporting cylinder, the universal wheel is erected on the ground, and the office chair cannot move, so that the chair is fixed when the office chair is not required to be moved, the chair cannot move randomly, the chair is more stable and safer, when the office chair is required to be moved, the push rod is pushed, the vertical rod is enabled to move inwards, the supporting block is driven to move inwards, and at the moment, the supporting block can move upwards, and the universal wheel is exposed, so that the universal wheel can move flexibly.

2. The chair seat has the advantages that the clamping rod is clamped between the clamping blocks at different positions, the height of the chair seat can be adjusted, different heights can be adjusted according to requirements of different people, the concave-convex grooves are formed in the clamping position, the clamping rod is prevented from falling out, the chair seat is safer, the handle and the anti-skid lines are arranged at the top end of the clamping rod, the operation is stable, the structure is simple, the adjustment is convenient, and the chair seat is economical and practical.

3. When the seat panel is damaged or polluted, the limiting relation between the through hole and the penetrating column can be removed by pulling out the pull rod, the seat panel is taken down for replacement or cleaning, the operation is simple and convenient, the whole office chair does not need to be discarded or moved when the seat panel is damaged or polluted, the operation is only carried out on the seat panel, the environment is protected, the saving is realized, and the large-scale preparation is facilitated.

Drawings

FIG. 1 is a schematic view of an office chair height adjusting device;

FIG. 2 is a cross-sectional view of a height adjusting apparatus in an office chair height adjusting apparatus;

fig. 3 is a sectional view of a seat fixing device in an office-use seat height adjusting device.

Fig. 4 is a sectional view of a seat panel removing apparatus in an office-use seat height adjusting apparatus.

In the figure: the seat comprises a support cylinder 1, a first spring 2, a seat support 3, a seat support 4, a panel support cylinder, a support connector 5, a seat panel 6, a push rod 9, a support block 10, a rubber pad 11, a universal wheel 12, a cross rod 13, a vertical rod 14, a support hole 15, a support block hole 16, a push rod hole 17, a push rod handle 18, a pull rod 71, a fixed block 72, a through hole 73, a penetrating column 74, a fixed rod 75, a limited block 76, a second spring 77, a limit ring 78, a limit ring 79, a pull rod hole 81, a clamping rod 82 and a clamping rod hole 83.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, in an embodiment of the present invention, an office chair height adjusting device includes a bracket connector 5, a chair support 3 is fixedly connected to four sides of the bracket connector 5, a universal wheel 12 is fixedly connected to the bottom of the chair support 3, two support block holes 16 are respectively formed through two sides of the chair support 3, a support block 10 is slidably connected to the inside of each support block hole 16, a push rod hole 17 is respectively formed through two sides of the outer wall of the chair support 3, the push rod hole 17 is located above the support block hole 16, a push rod 9 is slidably connected to the inside of the push rod hole 17, a push rod handle 18 is fixedly connected to one side of the push rod 9, a first spring 2 is sleeved between the chair support 3 and the push rod handle 18 on the outer wall of the push rod 9, a vertical bar 14 is fixedly connected to the other side of the push rod 9, and one side of the support block 10 is fixedly connected to one side of the vertical bar 14, the bottom of the outer wall of the seat support 3 is sleeved with a support barrel 1, the universal wheel 12 is positioned in the support barrel 1, two support holes 15 are respectively arranged on two sides of the inner wall of the support barrel 1, clamping rod holes 83 are respectively arranged on two sides of the support connector 5 in a penetrating manner, clamping rods 81 are slidably connected in the clamping rod holes 83, a panel support barrel 4 is arranged in the support connector 5, a plurality of clamping blocks 82 are fixedly arranged on two sides of the panel support barrel 4 at equal intervals, clamping grooves matched with the clamping rods 81 are formed between every two adjacent clamping blocks 82, a seat panel 6 is arranged on the top of the panel support barrel 4, a fixed rod 75 is fixedly connected between two sides of the inner wall of the panel support barrel 4, a limiting block 76 is fixedly connected to the top of the fixed rod 75, a pull rod hole 79 is arranged on one side of the outer wall of the panel support barrel 4 in a penetrating manner, a pull rod 71 is slidably connected to the limiting block 76 through a sliding hole arranged on the limiting block 76, and one side of the pull rod 71 extends to the outer side of the panel support barrel 4 through the inner part of the pull rod hole 79, a limiting ring 78 is sleeved on the outer wall of the pull rod 71 and positioned inside the panel supporting barrel 4, a second spring 77 is sleeved on the outer wall of the pull rod 71 and positioned between the limiting block 76 and the limiting ring 78, two penetrating columns 74 are fixedly connected on the top of the pull rod 71 and positioned inside the panel supporting barrel 4, two fixing blocks 72 are fixedly installed on two sides of the bottom of the seat panel 6, a penetrating hole 73 matched with the penetrating column 74 is formed in one side of each fixing block 72 in a penetrating manner, a cross rod 13 matched with the vertical rod 14 is connected with the vertical rod 14 in a sliding manner through a sliding hole formed in the vertical rod, two ends of the cross rod 13 are respectively fixedly connected with two sides of the inner wall of the seat support 3, grooves are formed in the top and the bottom of the clamping block 82, a convex block matched with the groove is fixedly connected on one side of the pull rod 71 away from the handle of the pull rod, a rubber pad 11 is fixedly connected on the bottom of the supporting barrel 1, and a pull rod handle is fixedly connected on one side of the clamping rod 81 away from the clamping block 82, the surface of the handle of the pull rod is provided with anti-skid stripes.

The working principle of the utility model is as follows:

when the height of the office chair needs to be adjusted, the clamping rod 81 is rotated by ninety degrees and then pulled out, the proper seat panel 6 is adjusted to the proper height, the clamping rod hole 83 and the clamping groove are positioned at the same horizontal height, the two convex grooves on the clamping rod 81 are inserted into the clamping rod hole 83 on the same horizontal line until the bottom of the clamping rod hole is reached, and the fixing is completed after the ninety degrees are rotated; when the office chair needs to be moved, the push rod handle 18 is pushed inwards to enable the vertical rod 14 to move inwards, so that the supporting blocks 10 are retracted into the chair support 3, the supporting cylinder 1 is pulled upwards, the push rod handle 18 is released, the supporting cylinder 1 continues to move upwards, when the office chair needs to be fixed, all the supporting blocks 10 are clamped into the supporting holes 15 outwards under the action of the elastic force of the first spring 2, the universal wheels 12 are in contact with the ground, at the moment, the office chair can be moved randomly, when the office chair needs to be fixed, the push rod handle 18 is pushed inwards to enable the supporting blocks 10 to be retracted into the chair support 3, the supporting cylinder 1 is put down, the supporting blocks 10 below are clamped into the supporting holes 15 above, the universal wheels 12 are suspended, and the office chair is kept fixed; when the seat panel 6 needs to be dismounted, the pull rod 71 is pulled outwards to drive the penetrating column 74 to leave the penetrating hole 73, the seat panel 6 is dismounted, when the pull rod 71 is pulled to enable the penetrating column 74 to leave the penetrating hole 73, the seat panel 6 is put down to a proper position, the pull rod 71 is loosened, the pull rod 71 retracts under the elastic force action of the second spring 77, the penetrating column 74 returns to the penetrating hole 73 to be clamped, and the seat panel 6 is fixed.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A seat height adjusting device for office use, comprising a bracket connector (5), characterized in that: the four sides of the support connector (5) are fixedly connected with a seat support (3), the bottom of the seat support (3) is fixedly connected with a universal wheel (12), two supporting block holes (16) are formed in the two sides of the outer wall of the seat support (3) in a penetrating manner, supporting blocks (10) are connected in the supporting block holes (16) in a sliding manner, push rod holes (17) are formed in the two sides of the outer wall of the seat support (3) in a penetrating manner, the push rod holes (17) are located above the supporting block holes (16), a push rod (9) is connected in the pushing rod holes (17) in a sliding manner, a push rod handle (18) is fixedly connected to one side of the push rod (9), a first spring (2) is sleeved between the outer wall of the push rod (9) and the seat support (3) and the push rod handle (18), and a vertical rod (14) is fixedly connected to the other side of the push rod (9), and one side of supporting shoe (10) and one side fixed connection of montant (14), the bottom cover of seat support (3) outer wall is equipped with a support section of thick bamboo (1), and universal wheel (12) are located the inside of a support section of thick bamboo (1), two holding hole (15) have all been seted up to the both sides of a support section of thick bamboo (1) inner wall, the both sides of leg joint ware (5) all run through and have seted up kelly hole (83), kelly hole (83) inside sliding connection has kelly (81), the inside of leg joint ware (5) is provided with panel support section of thick bamboo (4), the both sides of panel support section of thick bamboo (4) are equidistance fixed mounting and have a plurality of fixture blocks (82), and form the draw-in groove with kelly (81) looks adaptation between two adjacent fixture blocks (82), the top of panel support section of thick bamboo (4) is provided with seat panel (6).

2. An office chair height adjustment device as claimed in claim 1, wherein: a fixing rod (75) is fixedly connected between two sides of the inner wall of the panel supporting barrel (4), a limiting block (76) is fixedly connected to the top of the fixing rod (75), a pull rod hole (79) is formed in one side of the outer wall of the panel supporting barrel (4) in a penetrating mode, a pull rod (71) is connected to the limiting block (76) through a sliding hole arranged in the limiting block (76) in a sliding mode, one side of the pull rod (71) extends to the outside of the panel supporting barrel (4) through the inside of the pull rod hole (79), a limiting ring (78) is sleeved on the outer wall of the pull rod (71) and located inside the panel supporting barrel (4), a second spring (77) is sleeved on the outer wall of the pull rod (71) and located between the limiting block (76) and the limiting ring (78), two penetrating columns (74) are fixedly connected to the top of the pull rod (71) and located inside the panel supporting barrel (4), two fixing blocks (72) are fixedly mounted on two sides of the bottom of the seat panel (6), one side of the fixing block (72) is provided with a through hole (73) matched with the through column (74) in a penetrating way.

3. An office chair height adjustment device as claimed in claim 1, wherein: the vertical rod (14) is connected with a cross rod (13) matched with the vertical rod in a sliding mode through a sliding hole formed in the vertical rod, and two ends of the cross rod (13) are fixedly connected with two sides of the inner wall of the seat support (3) respectively.

4. An office seat height adjusting apparatus according to claim 2, wherein: the top and the bottom of the clamping block (82) are provided with grooves, and one side of the pull rod (71) far away from the pull rod handle is fixedly connected with a convex block matched with the grooves.

5. An office chair height adjustment device as claimed in claim 1, wherein: the bottom of the supporting cylinder (1) is fixedly connected with a rubber pad (11).

6. An office chair height adjustment device as claimed in claim 1, wherein: one side of the clamping rod (81) far away from the clamping block (82) is fixedly connected with a pull rod handle, and anti-skid stripes are arranged on the surface of the pull rod handle.