CN113768308A - High lifting structure of office chair - Google Patents
High lifting structure of office chair Download PDFInfo
- Publication number
- CN113768308A CN113768308A CN202111119358.2A CN202111119358A CN113768308A CN 113768308 A CN113768308 A CN 113768308A CN 202111119358 A CN202111119358 A CN 202111119358A CN 113768308 A CN113768308 A CN 113768308A
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- Prior art keywords
- piston rod
- rod
- circular ring
- limiting
- plate
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- 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.)
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- 230000007246 mechanism Effects 0.000 claims abstract description 10
- 230000003028 elevating effect Effects 0.000 claims 6
- 230000003068 static effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
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- Chairs Characterized By Structure (AREA)
Abstract
The invention provides a height lifting structure of an office chair, which comprises a pneumatic rod, wherein a piston rod is connected inside the pneumatic rod in a sliding manner, limiting mechanisms capable of being automatically supported are arranged on two sides of the piston rod, each limiting mechanism comprises a lug, a rotating shaft, a connecting rod, a circular ring, an inclined plate, an axis, a support and a limiting frame, the lug is embedded on two sides of the piston rod, the rotating shaft is hinged to one side of the lug, the connecting rod swings on the side surface of the rotating shaft, one side of the lower end of the connecting rod rotates to form an axis, the circular ring rotates on the outer side of the axis, the inclined plate is embedded on the outer side of the circular ring, the connecting rod drives the axis to rotate upwards, further the axis rotates to drive the circular ring to rotate integrally, the circular ring rotates anticlockwise, the support integrally slides to one side of the piston rod, the support drives the limiting frame to form a joint support with the outer side of the piston rod, and further the lifting structure can enable the piston rod to move upwards, the outer side of the piston rod is further supported and limited automatically by the shape of the circular ring.
Description
Technical Field
The invention relates to the technical field of office chairs, in particular to a height lifting structure of an office chair.
Background
The office chair can normally move in a vertical lifting manner, an air cylinder is arranged in the office chair, a piston rod in the air cylinder moves up and down to control the lifting of the swivel chair, the office chair can slide up and down by utilizing air pressure, and the office chair is easy to drop down quickly in the air inlet and outlet processes;
in order to solve the technical problems of the office chair, a patent number CN201711071860.4 is found through retrieval, and the office chair capable of automatically adjusting the height is provided with a button arranged at the top end of a lifting rod, a pressure rod is arranged above the button, a control line is arranged below the pressure rod, and a line pipe is arranged on the right side of the control line;
the office chair height-adjusting utilizes atmospheric pressure to adjust usually, and when manual regulation, because gaseous continuous the discharge, the inside gas of piston rod lacks, and the piston rod easily slides down fast, causes the condition that the hand was hindered to the clamp, and this kind of office chair can't prevent that the piston rod from dropping down fast when height-adjusting, and then can't form the secondary protection.
Disclosure of Invention
To solve the above technical problems, the present invention provides a height-increasing structure of an office chair, so as to solve the above problems described in the background art.
The invention relates to a purpose and an effect of a height lifting structure of an office chair, which are achieved by the following specific technical means: the utility model provides a high elevation structure of office chair, includes the pneumatic rod, the inside sliding connection of pneumatic rod has the piston rod, but the both sides of piston rod are equipped with the stop gear of automatic support.
Furthermore, the limiting mechanism comprises a bump, a rotating shaft, a connecting rod, a circular ring, an inclined plate, an axis, a bracket and a limiting frame.
Further, the lug is inlayed in the both sides of piston rod, and the pivot articulates in one side of lug, and the connecting rod swings in the side of pivot, and one side of connecting rod lower extreme is rotatory to have the axle center, and the outside of axle center is rotatory to have the ring, and the outside of ring is inlayed and is had the swash plate, and the outside slip laminating of ring has the support, and the support is inlayed and is had the spacing on one side near the piston rod.
Furthermore, the connecting rod is arranged in an inclined manner by 15-60 degrees, the circular ring is arranged in an elliptic manner, the circle centers of the two sides of the circular ring are different in size, the inclined plate is arranged on one side with the larger circle center of the circular ring and is made of rubber, the inclined plate is arranged in an inclined manner by 15-35 degrees, the support is arranged in an inverted L shape, the limiting frame is movably attached to the two sides of the piston rod, the axis is arranged in a disc shape, and the interval between the axis and one side of the connecting rod is 2-5 cm.
Furthermore, stop gear includes slide bar, sleeve, frame, swinging arms, lever frame, joint board, rotary sphere, limiting plate and slider.
Further, the frame slides and cup joints in the outside of spacing, and the slide bar slides in the lower extreme of frame, and the sleeve slides and runs through in the outside of slide bar, and the swinging arms swing in one side of slide bar lower extreme, and lever frame, joint board swing in proper order in one side of swinging arms, and rotary ball body and limiting plate swing in one side of joint board, and the slider slides in one side of limiting plate.
Furthermore, the limiting frame and the sliding rod are integrally combined to be in a T shape, the lever frame is obliquely arranged on two sides of the piston rod, the spacing between the limiting plate and the piston rod is 2-4cm, the rotary ball body and the limiting plate are arranged in a matched mode, the inner side of the clamping plate is embedded with a groove, the groove is connected with the sliding block in a sliding and nesting mode, and the limiting plate and the sliding block are combined to be in a triangular shape.
Has the advantages that:
1. the axis is arranged in a disc shape, the connecting rod drives the axis to rotate when moving upwards, and further the axis rotates to drive the ring to rotate integrally, the ring rotates anticlockwise, the ring rotates to drive the support to slide integrally to one side of the piston rod, the support drives the limiting frame to form a joint support with the outer side of the piston rod, so that the lifting structure can automatically support and limit the outer side of the piston rod by utilizing the shape of the ring when the piston rod moves upwards, and the integral stability of the piston rod is improved;
2. the whole clockwise return rotation that is of ring, because the slope setting of ring outside swash plate, the ring utilizes the swash plate to drive the support rebound, the support can drive the slide bar rebound through spacing, the slide bar is whole upwards when upwards, and the swing arm utilizes lever bracket to drive the joint board and is the downward sloping swing, make the joint board band move the both sides joint of limiting plate and piston rod, thereby can utilize the limiting plate to form spacingly to the piston rod, avoid the office chair when adjusting the piston rod, the condition that the proruption nature dropped downwards appears because of gaseous business turn over in the piston rod.
Drawings
Fig. 1 is a schematic view of the overall plan structure of the present invention.
FIG. 2 is an enlarged view of the structure at A in FIG. 1 according to the present invention.
FIG. 3 is a schematic view of the ring of the present invention after rotation.
FIG. 4 is a schematic view of a ring assembly according to the present invention.
FIG. 5 is a schematic view of a slide bar assembly according to the present invention.
FIG. 6 is an enlarged view of the structure at B in FIG. 2 according to the present invention.
In fig. 1 to 6, the correspondence between the component names and the reference numbers is:
1-pneumatic rod, 101-piston rod, 2-lug, 201-rotating shaft, 202-connecting rod, 3-circular ring, 301-inclined plate, 302-axle center, 4-bracket, 401-limiting frame, 5-sliding rod, 501-sleeve, 502-frame, 6-swinging rod, 601-lever frame, 602-clamping plate, 603-rotating sphere, 604-limiting plate and 605-sliding block.
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 a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.
Example (b):
as shown in figures 1 to 6:
example 1: a height lifting structure of an office chair comprises a pneumatic rod 1, a piston rod 101 is connected inside the pneumatic rod 1 in a sliding manner, and limiting mechanisms capable of supporting automatically are arranged on two sides of the piston rod 101;
wherein: the air pressure rod 1 is installed at the lower end of the office chair, the piston rod 101 and the air pressure rod 1 vertically slide up and down, when the piston rod 101 moves upwards, the piston rod 101 drives the limiting mechanism to transmit, and then the limiting mechanism can be used for supporting two sides of the piston rod 101, so that the situation that the piston rod 101 rapidly drops downwards due to gas leakage is avoided;
the limiting mechanism comprises a lug 2, a rotating shaft 201, a connecting rod 202, a circular ring 3, an inclined plate 301, an axis 302, a support 4 and a limiting frame 401, wherein the lug 2 is embedded at two sides of the piston rod 101, the rotating shaft 201 is hinged at one side of the lug 2, the connecting rod 202 swings at the side surface of the rotating shaft 201, the axis 302 rotates at one side of the lower end of the connecting rod 202, the circular ring 3 rotates at the outer side of the axis 302, the inclined plate 301 is embedded at the outer side of the circular ring 3, the support 4 is attached to the outer side of the circular ring 3 in a sliding manner, and the limiting frame 401 is embedded at one side of the support 4 close to the piston rod 1;
the connecting rod 202 is arranged in an inclined manner at an angle of 15-60 degrees, the circular ring 3 is arranged in an elliptic manner, the circle centers of the two sides of the circular ring 3 are different in size, the inclined plate 301 is arranged on one side, with the larger circle center, of the circular ring 3, the inclined plate 301 is made of rubber, the inclined plate 301 is arranged in an inclined manner at an angle of 15-35 degrees, the support 4 is arranged in an inverted L shape, the limiting frame 401 is movably attached to the two sides of the piston rod 101, the axis 302 is arranged in a disc shape, and the interval between the axis 302 and one side of the connecting rod 202 is 2-5 cm;
wherein: the lug 2 drives the connecting rod 202 to move upwards in an inclined mode by utilizing the rotating shaft 201, the shaft center 302 is arranged in a disc shape, the connecting rod 202 drives the shaft center 302 to rotate upwards, the shaft center 302 further rotates to drive the circular ring 3 to rotate integrally, the circular ring 3 rotates anticlockwise, the circular ring 3 rotates to drive the support 4 to slide integrally to one side of the piston rod 101, the support 4 drives the limiting frame 401 to form a joint support with the outer side of the piston rod 101, and therefore when the piston rod 101 moves upwards, the outer side of the piston rod 101 can be automatically supported and limited by utilizing the shape of the circular ring 3, and the overall stability of the piston rod 101 is improved;
when the piston rod 101 moves upwards, the lug 2 is wholly upwards, the lug 2 drives the connecting rod 202 to upwards tilt and move by utilizing the rotating shaft 201, the connecting rod 202 upwards drives the shaft center 302 to rotate due to the fact that the shaft center 302 is arranged in a disc shape, the connecting rod 202 further drives the shaft center 302 to rotate to drive the circular ring 3 to wholly rotate, the circular ring 3 rotates anticlockwise, the circular ring 3 rotates to drive the support 4 to wholly slide to one side of the piston rod 101, and the support 4 drives the limiting frame 401 to form a joint support with the outer side of the piston rod 101;
wherein: the connecting rod 202 is arranged in an inclined manner at an angle of 15-60 degrees, and when the connecting rod 202 obliquely swings, the circular ring 3 integrally swings;
the circular ring 3 is arranged in an elliptical shape, the circle centers of the two sides of the circular ring 3 are different in size, the circular ring 3 is arranged in the elliptical shape, the support 4 is driven to horizontally slide in a reciprocating manner, and the support 4 can vertically slide in a reciprocating manner due to the fact that the circle centers of the two sides of the circular ring 3 are different in size;
the inclined plate 301 is arranged in an inclined manner at an angle of 15-35 degrees, when the ring 3 rotates anticlockwise, the inclined plate 301 is attached to the inner side of the bracket 4, and when the ring 3 rotates clockwise, the bracket 4 moves upwards integrally by virtue of the inclined arrangement of the inclined plate 301;
the bracket 4 is arranged in an inverted L shape, the inner side of the bracket 4 is in sliding fit with the outer side of the circular ring 3, and the bracket 4 is driven to move by the rotation of the circular ring 3;
example 2: with reference to fig. 5 and 6 of the specification, the difference between the embodiment 2 and the embodiment 1 is that the limiting mechanism includes a sliding rod 5, a sleeve 501, a frame 502, a swinging rod 6, a lever frame 601, a clamping plate 602, a rotating sphere 603, a limiting plate 604 and a sliding block 605, the frame 502 is slidably sleeved on the outer side of the limiting frame 401, the sliding rod 5 slides on the lower end of the frame 502, the sleeve 501 slidably penetrates through the outer side of the sliding rod 5, the swinging rod 6 swings on one side of the lower end of the sliding rod 5, the lever frame 601 and the clamping plate 602 sequentially swing on one side of the swinging rod 6, the rotating sphere 603 and the limiting plate 604 swing on one side of the clamping plate 602, and the sliding block 605 slides on one side of the limiting plate 604;
the limiting frame 401 and the sliding rod 5 are integrally combined to be in a T shape, the lever frame 601 is obliquely arranged on two sides of the piston rod 101, the spacing between the limiting plate 604 and the piston rod 101 is 2-4cm, the rotary sphere 603 and the limiting plate 604 are arranged in a matched mode, a groove is embedded in the inner side of the clamping plate 602 and is connected with the sliding block 605 in a sliding nested mode, and the limiting plate 604 and the sliding block 605 are combined to be in a triangular shape;
wherein: the circular ring 3 integrally rotates in a clockwise return mode, due to the inclined arrangement of the inclined plate 301 on the outer side of the circular ring 3, the circular ring 3 drives the support 4 to move upwards by utilizing the inclined plate 301, the support 4 can drive the sliding rod 5 to move upwards through the limiting frame 401, when the sliding rod 5 moves upwards, the swinging rod 6 integrally moves upwards, and the swinging rod 6 drives the clamping plate 602 to swing downwards by utilizing the lever frame 601, so that the clamping plate 602 drives the limiting plate 604 to be clamped with the two sides of the piston rod 101, the limiting plate 604 can be utilized to limit the piston rod 101, and the situation that the piston rod 101 drops down suddenly due to gas entering and exiting when the piston rod 101 is adjusted by the office chair is avoided;
when the ring 3 rotates counterclockwise, the limiting frame 401 slides horizontally, meanwhile, the sliding rod 5 is in a static state as a whole, when the piston rod 101 returns downwards, the ring 3 rotates clockwise as a whole, due to the inclined arrangement of the inclined plate 301 outside the ring 3, the ring 3 drives the support 4 to move upwards by using the inclined plate 301, the support 4 can drive the sliding rod 5 to move upwards by using the limiting frame 401, when the sliding rod 5 moves upwards, the oscillating rod 6 moves upwards as a whole, and the oscillating rod 6 drives the clamping plate 602 to swing downwards by using the lever frame 601, so that the clamping plate 602 drives the limiting plate 604 to clamp the two sides of the piston rod 101, thereby limiting the piston rod 101 by using the limiting plate 604, avoiding the situation that the piston rod 101 drops downwards suddenly due to gas entering and exiting when the piston rod 101 is adjusted by the office chair, avoiding the quick return of the piston rod 101, and when the piston rod 101 returns for the second time, the support 4 moves upwards continuously, the sliding rod 5 continuously moves upwards, the limiting plate 604 continuously extrudes to one side of the piston rod 101, and the limiting plate 604 swings in an angle through the rotating ball 603, so that the limiting plate 604 can drive the sliding block 605 to slide into the clamping plate 602, and further an included angle of the inner side of the limiting plate 604 is reduced, so that the contact area between the limiting plate 604 and the piston rod 101 is reduced, and the piston rod 101 conveniently drops downwards and returns;
wherein: the limiting frame 401 and the sliding rod 5 are integrally combined to be in a T shape, when the limiting frame 401 horizontally slides, the sliding rod 5 is in a static state, and when the limiting frame 401 is lifted upwards, the sliding rod 5 moves upwards.
Claims (7)
1. The utility model provides a high elevation structure of office chair, includes pneumatic rod (1), the inside sliding connection of pneumatic rod (1) has piston rod (101), its characterized in that: and two sides of the piston rod (101) are provided with limiting mechanisms capable of automatically supporting.
2. The height elevating structure of an office chair according to claim 1, wherein: stop gear includes connecting rod (202), ring (3), swash plate (301), axle center (302), support (4) and spacing (401), and one side rotation of connecting rod (202) lower extreme has axle center (302), and the outside rotation of axle center (302) has ring (3), and the outside of ring (3) is inlayed and is had swash plate (301), and the outside of ring (3) is slided and is laminated and has support (4), and one side that support (4) are close to piston rod (1) is inlayed and is had spacing (401).
3. The height elevating structure of an office chair according to claim 2, wherein: the connecting rod (202) is arranged in an inclined manner by 15-60 degrees, the circular ring (3) is arranged in an elliptic manner, the circle centers of the two sides of the circular ring (3) are different in size, the inclined plate (301) is arranged on the side, with the larger circle center, of the circular ring (3), the inclined plate (301) is made of rubber, and the inclined plate (301) is arranged in an inclined manner by 15-35 degrees.
4. The height elevating structure of an office chair according to claim 2, wherein: the support (4) is arranged in an inverted L shape, the limiting frame (401) is movably attached to the two sides of the piston rod (101), the axis (302) is arranged in a disc shape, and the interval between the axis (302) and one side of the connecting rod (202) is 2-5 cm.
5. The height elevating structure of an office chair according to claim 1, wherein: the limiting mechanism comprises a sliding rod (5), a clamping plate (602), a rotary sphere (603), a limiting plate (604) and a sliding block (605), the clamping plate (602) swings at one side of the sliding rod (5), the rotary sphere (603) and the limiting plate (604) swing at one side of the clamping plate (602), and the sliding block (605) slides at one side of the limiting plate (604).
6. The height elevating structure of an office chair according to claim 4 or 5, wherein: the limiting frame (401) and the sliding rod (5) are integrally combined into a T shape.
7. The height elevating structure of an office chair according to claim 5, wherein: spacing between the limiting plate (604) and the piston rod (101) is 2-4cm, the rotary sphere (603) and the limiting plate (604) are arranged in a matched mode, a groove is embedded into the inner side of the clamping plate (602), the groove is connected with the sliding block (605) in a sliding and nesting mode, and the limiting plate (604) and the sliding block (605) are combined in a triangular mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119358.2A CN113768308A (en) | 2021-09-24 | 2021-09-24 | High lifting structure of office chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111119358.2A CN113768308A (en) | 2021-09-24 | 2021-09-24 | High lifting structure of office chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113768308A true CN113768308A (en) | 2021-12-10 |
Family
ID=78852990
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111119358.2A Pending CN113768308A (en) | 2021-09-24 | 2021-09-24 | High lifting structure of office chair |
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| Country | Link |
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| CN (1) | CN113768308A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651774A (en) * | 2004-02-05 | 2005-08-10 | 株式会社韩国伽斯普邻 | Cylinder with rotation prevention structure |
| CN101070863A (en) * | 2006-05-10 | 2007-11-14 | 株式会社韩国伽斯普邻 | Gas cylinder with speed controlling function |
| KR100786818B1 (en) * | 2007-06-08 | 2007-12-18 | 주식회사 한국가스스프링 | A gas cylindera with a rotate control clutch |
| CN208311346U (en) * | 2018-05-02 | 2019-01-01 | 青岛奥德精密器械有限公司 | A kind of exacerbation gas bar |
| CN209121598U (en) * | 2018-05-02 | 2019-07-19 | 青岛奥德精密器械有限公司 | A kind of high-stroke gas bar |
| CN210540042U (en) * | 2019-09-23 | 2020-05-19 | 广州市弘锦家具有限公司 | Adjustable chair base |
| CN111955978A (en) * | 2020-09-09 | 2020-11-20 | 张志凤 | Office chair convenient to lift and adjust |
-
2021
- 2021-09-24 CN CN202111119358.2A patent/CN113768308A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1651774A (en) * | 2004-02-05 | 2005-08-10 | 株式会社韩国伽斯普邻 | Cylinder with rotation prevention structure |
| CN101070863A (en) * | 2006-05-10 | 2007-11-14 | 株式会社韩国伽斯普邻 | Gas cylinder with speed controlling function |
| KR100786818B1 (en) * | 2007-06-08 | 2007-12-18 | 주식회사 한국가스스프링 | A gas cylindera with a rotate control clutch |
| CN208311346U (en) * | 2018-05-02 | 2019-01-01 | 青岛奥德精密器械有限公司 | A kind of exacerbation gas bar |
| CN209121598U (en) * | 2018-05-02 | 2019-07-19 | 青岛奥德精密器械有限公司 | A kind of high-stroke gas bar |
| CN210540042U (en) * | 2019-09-23 | 2020-05-19 | 广州市弘锦家具有限公司 | Adjustable chair base |
| CN111955978A (en) * | 2020-09-09 | 2020-11-20 | 张志凤 | Office chair convenient to lift and adjust |
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