CN206482315U - A kind of swivel chair spiral lifting bar - Google Patents
A kind of swivel chair spiral lifting bar Download PDFInfo
- Publication number
- CN206482315U CN206482315U CN201621329953.3U CN201621329953U CN206482315U CN 206482315 U CN206482315 U CN 206482315U CN 201621329953 U CN201621329953 U CN 201621329953U CN 206482315 U CN206482315 U CN 206482315U
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- CN
- China
- Prior art keywords
- support tube
- screw rod
- screw
- swivel chair
- pressure bearing
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Abstract
The utility model discloses a kind of swivel chair spiral lifting bar, belong to swivel chair technical field, the elevating lever specifically includes the support tube being fixed on swivel chair base and the motion bar being fixedly connected with swivel chair seat board lower surface, it is screw connection structure between support tube and motion bar, screw rod is installed inside support tube, motion bar bottom is the swivel nut for stretching into inside support tube and being cooperatively formed with screw rod screw connection structure, pressure bearing is provided between screw rod bottom and support tube, the upper set of pressure bearing is fixedly connected with screw rod bottom, trap and be fixedly connected with support tube, motion bar and support tube are by swivel nut and screw rod formation lifting unit, screw rod and support tube are by pressure bearing formation rotating unit.Two kinds of functions realize that rotation and lifting are independent of each other by different parts respectively, highly stable, the rotation freedom of swivel chair, and the abrasion of swivel nut and screw rod is greatly reduced in spiral lifting bar, and stability in use is obviously improved, and service life significantly increases.
Description
Technical field
The utility model belongs to swivel chair technical field, and in particular to a kind of swivel chair spiral lifting bar.
Background technology
Swivel chair is relatively conventional in people's daily life and work, and it can realize two kinds of functions of rotation and lifting, wherein
Most of elevating lever be pressure liftable bar and spiral lifting bar, many businessmans use pressure-air when producing pressure liftable bar
Filling, has exploded, pressure liftable bar has huge potential safety hazard, therefore a part of crowd relatively dotes on spiral lifting bar
Swivel chair, in existing spiral lifting bar, bottom support tube top is to be provided with screw rod in swivel nut, swivel nut to be cooperated,
Seat is lifted therewith on screw rod, although safety, as long as but seat has rotation to produce lifting, height of seat is unstable,
Rotation and lifting are realized by the mutual cooperation of screw rod and swivel nut, the rotation and lifting meeting produced by screw rod and swivel nut
Make screw rod and swivel nut serious wear, gap gradually increases, can make swivel chair surface produce rock, and screw rod directly it is exposed outside
Portion, influences the attractive in appearance of seat.
Utility model content
The utility model overcomes the shortcoming of prior art there is provided a kind of swivel chair spiral lifting bar, and the elevating lever will
Two kinds of function separation of lifting and rotation, two kinds of functions are realized that rotation and lifting are independent of each other by different parts, turned respectively
Highly stable, the rotation freedom of chair, and the abrasion of swivel nut and screw rod is greatly reduced in spiral lifting bar, stability in use is significantly carried
Rise, service life significantly increases.
Concrete technical scheme of the present utility model is：
A kind of swivel chair spiral lifting bar, including the support tube that is fixed on swivel chair base and with swivel chair seat board lower surface
The motion bar being fixedly connected, is screw connection structure between support tube and motion bar, and key point is pacified inside described support tube
Equipped with screw rod, motion bar bottom is the swivel nut for stretching into inside support tube and being cooperatively formed with screw rod screw connection structure, screw rod bottom
Pressure bearing is provided between portion and support tube, the upper set of pressure bearing is fixedly connected with screw rod bottom, trapped solid with support tube
Fixed connection, motion bar and support tube are by swivel nut and screw rod formation lifting unit, and screw rod and support tube are formed by pressure bearing
Rotating unit.
Described screw rod lower surface is provided with the limiting plate for being provided with and being spaced up and down with it below inner bolt hole, pressure bearing,
Limiting plate cross section, which is more than to be provided with through hole, through hole in the middle part of the endoporus of pressure bearing, limiting plate, is provided through stop screw,
Limiting plate to form the position-limiting unit of screw rod by being threadedly coupled between stop screw and inner bolt hole.
The rolling ring of the upper set of described pressure bearing including inner horizontal and be looped around it is vertical in rolling ring outer rim
Cylindrical drum, cylindrical drum upper end, which is provided with to fix by slipping mechanism on one group of buckling groove of circular array, support inside pipe wall, pacifies
Equipped with card adapter plate, card adapter plate is moved downward in buckling groove and formed therewith the clamping fixation structure covered by slipping mechanism.
Described slipping mechanism includes two strip holes being located on same vertical direction on support inside pipe wall, Mei Gechang
Extended through in bar hole and be provided with sliding screw, sliding screw the inner is fixedly connected with card adapter plate, in two sliding screws at least
There is one to be surrounded with spring, be provided with the sliding screw of spring and be set with pressing tight plate, both ends of the spring is respectively with sliding spiral shell
The screw cap of nail and pressing tight plate outer face are in contact.
The beneficial effects of the utility model are：Motion bar and support tube are by swivel nut and screw rod formation lifting unit, swivel nut
Rotation is lifted along screw rod, and the screw thread of swivel nut is arranged on the inside of motion bar bottom, and screw rod is arranged on the inside of support tube and activity
Bar lower end is stretched into inside support bar, and swivel nut screw thread and screw flight do not affect the appearance all in device interior and reduce entrance
Dust and impurity inside support tube, reduce the degree of wear between swivel nut and screw rod；Screw rod and support tube are by pressure axis
Hold the rotating unit to form seat, the rotating unit of seat formed between the swivel nut and screw rod of motion bar lower end, due to screw rod and
The frictional force that produces is more than the frictional force inside pressure bearing when swivel nut is rotated, so when people rotates on swivel chair, screw rod and
Swivel nut will not produce rotation, realize rotation respectively by different parts and lift, and realize point of two kinds of functions of lifting and rotation
From also reducing the degree of wear of swivel nut and screw rod, seat more steady, service life is long.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of pressure bearing.
In accompanying drawing, 1, support tube, 101, stop screw, 2, motion bar, 3, screw rod, 301, limiting plate, 4, swivel nut, 5, pressure
Bearing, 501, rolling ring, 502, cylindrical drum, 503, buckling groove, 6, card adapter plate, 7, strip hole, 8, pressing tight plate, 9, spring, 10, sliding
Move screw.
Embodiment
The utility model is related to a kind of swivel chair spiral lifting bar, including the support tube 1 that is fixed on swivel chair base and
The motion bar 2 being fixedly connected with swivel chair seat board lower surface, is screw connection structure, described branch between support tube 1 and motion bar 2
Screw rod 3 is installed, the bottom of motion bar 2 is threadedly coupled knot to stretch into the inside of support tube 1 and being cooperatively formed with screw rod 3 inside stay tube 1
The swivel nut 4 of structure, is provided with pressure bearing 5 between the bottom of screw rod 3 and support tube 1, upper set and the bottom of screw rod 3 of pressure bearing 5 are consolidated
Fixed connection, traps and is fixedly connected with support tube 1, and motion bar 2 and support tube 1 are by swivel nut 4 and the formation lifting unit of screw rod 3, spiral shell
Bar 3 and support tube 1 are by pressure bearing formation rotating unit.
Specific embodiment, as depicted in figs. 1 and 2, because the frictional force between screw rod 3 and swivel nut 4 is more than 5 turns of pressure bearing
The frictional force overcome is needed when dynamic, therefore when rotating the seat board of swivel chair, does not occur helical rotation between screw rod 3 and swivel nut 4, both
Rotated jointly with the seat board and pressure bearing 5 of swivel chair, can now realize the rotation of the different angles of swivel chair seat board, the He of screw rod 3
Support tube 1 is by the rotary unit of the formation swivel chair of pressure bearing 5, and the lower surface of screw rod 3 is provided with inner bolt hole, the lower section of pressure bearing 5
The limiting plate 301 being spaced up and down with it is provided with, spacing distance is 1mm, and the cross section of limiting plate 301 is more than the interior of pressure bearing 5
Hole, the middle part of limiting plate 301, which is provided with through hole, through hole, is provided through stop screw 101, and limiting plate 301 is by stop screw
Being threadedly coupled between 101 and inner bolt hole to form the position-limiting unit of screw rod 3, the setting of limiting plate 301 can prevent screw rod 3 together with
Set is dislocated on pressure bearing 5, the situation for causing swivel chair function to realize or even damage, in addition, the upper set of pressure bearing 5
Rolling ring 501 including inner horizontal and cylindrical drum 502 vertical in the outer rim of rolling ring 501 is looped around, the upper end of cylindrical drum 502
It is provided with one group of buckling groove 503 of circular array, the inwall of support tube 1 and is installed with card adapter plate 6 by slipping mechanism, blocks
Fishplate bar 6 is moved downward in buckling groove 503 and formed therewith the clamping fixation structure covered, slipping mechanism bag by slipping mechanism
Include to extend through in two strip holes 7 being located on same vertical direction on the inwall of support tube 1, each strip hole 7 and be provided with
Screw 10 is slid, the inner of sliding screw 10 is fixedly connected with card adapter plate 6, at least one in two sliding screws 10, which is surround, to be set
There is spring 9, be provided with the sliding screw 10 of spring 9 and be set with pressing tight plate 8, the spiral shell of the two ends of spring 9 respectively with sliding screw 10
The head of a nail and the outer face of pressing tight plate 8 are in contact, and the setting of spring 9 enables to sliding screw 10 in the situation without manual operation
Under be close to be fixed on the inwall of support tube 1, when needing that card adapter plate 6 is departed from or inserted in buckling groove 503, operating personnel only
Need to move up sliding screw 10 along strip hole 7, card adapter plate 6 can just keep standing state to be close to admittedly after movement
It is scheduled on the inwall of support tube 1.
When card adapter plate 6 is located at buckling groove 503, pressure bearing 5 forms fixed structure together between screw rod 3 and support tube 1,
When rotating swivel chair seat board, pressure bearing 5 and screw rod 3 are not rotated, now, and the swivel nut 4 of the lower end of motion bar 2 carries out spiral shell along screw rod 3
Rotation motion, so that the lifting of swivel chair seat board is realized, the lifting unit of screw rod 3 and the formation swivel chair seat board of swivel nut 4.
Claims (4)
1. a kind of swivel chair spiral lifting bar, including the support tube (1) that is fixed on swivel chair base and with swivel chair seat board lower end
The motion bar (2) that face is fixedly connected, is screw connection structure between support tube (1) and motion bar (2), it is characterised in that：It is described
Support tube (1) inside screw rod (3) is installed, motion bar (2) bottom is internal and coordinate with screw rod (3) to stretch into support tube (1)
The swivel nut (4) of screw connection structure is formed, pressure bearing (5), pressure axis are provided between screw rod (3) bottom and support tube (1)
The upper set for holding (5) is fixedly connected with screw rod (3) bottom, is trapped and is fixedly connected with support tube (1), motion bar (2) and support tube (1)
By swivel nut (4) and screw rod (3) formation lifting unit, screw rod (3) and support tube (1) are by pressure bearing formation rotating unit.
2. a kind of swivel chair spiral lifting bar according to claim 1, it is characterised in that：Described screw rod (3) lower surface
The limiting plate (301) for being provided with and being spaced up and down with it below inner bolt hole, pressure bearing is provided with, limiting plate (301) cross section is big
It is provided with the middle part of endoporus in pressure bearing (5), limiting plate (301) in through hole, through hole and is provided through stop screw (101),
Limiting plate (301) forms the position-limiting unit of screw rod (3) by threaded connection of the stop screw (101) between inner bolt hole.
3. a kind of swivel chair spiral lifting bar according to claim 1, it is characterised in that：Described pressure bearing (5)
It is upper to cover the rolling ring (501) for including inner horizontal and be looped around cylindrical drum (502) vertical in rolling ring (501) outer rim, circle
Column casing (502) upper end is provided with one group of buckling groove (503) of circular array, support tube (1) inwall solid by slipping mechanism
Dingan County is equipped with card adapter plate (6), and card adapter plate (6), which is moved downward in buckling groove (503) by slipping mechanism and formed therewith, to be covered
Clamping fixation structure.
4. a kind of swivel chair spiral lifting bar according to claim 3, it is characterised in that：Described slipping mechanism includes branch
Setting is extended through in two strip holes (7) being located on same vertical direction on stay tube (1) inwall, each strip hole (7)
There is sliding screw (10), sliding screw (10) the inner is fixedly connected with card adapter plate (6), at least one in two sliding screws (10)
It is individual to be surrounded with spring (9), it is provided with the sliding screw (10) of spring (9) and is set with pressing tight plate (8), spring (9) two ends
It is in contact respectively with the screw cap of sliding screw (10) and pressing tight plate (8) outer face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329953.3U CN206482315U (en) | 2016-12-06 | 2016-12-06 | A kind of swivel chair spiral lifting bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621329953.3U CN206482315U (en) | 2016-12-06 | 2016-12-06 | A kind of swivel chair spiral lifting bar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206482315U true CN206482315U (en) | 2017-09-12 |
Family
ID=59767885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621329953.3U Expired - Fee Related CN206482315U (en) | 2016-12-06 | 2016-12-06 | A kind of swivel chair spiral lifting bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206482315U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074576A (en) * | 2019-05-21 | 2019-08-02 | 淳安青节电子商务有限公司 | Screw rod is used in a kind of lifting of high security seat |
| CN111645888A (en) * | 2020-06-23 | 2020-09-11 | 科玛化妆品(北京)有限公司 | Semi-automatic powder filling machine for cosmetic production |
-
2016
- 2016-12-06 CN CN201621329953.3U patent/CN206482315U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110074576A (en) * | 2019-05-21 | 2019-08-02 | 淳安青节电子商务有限公司 | Screw rod is used in a kind of lifting of high security seat |
| CN110074576B (en) * | 2019-05-21 | 2024-01-19 | 淳安青节电子商务有限公司 | Screw rod for lifting high-safety seat |
| CN111645888A (en) * | 2020-06-23 | 2020-09-11 | 科玛化妆品(北京)有限公司 | Semi-automatic powder filling machine for cosmetic production |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20191206 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |