CN108618436A - A kind of roller type office chair for preventing from rolling automatically - Google Patents
A kind of roller type office chair for preventing from rolling automatically Download PDFInfo
- Publication number
- CN108618436A CN108618436A CN201810441481.8A CN201810441481A CN108618436A CN 108618436 A CN108618436 A CN 108618436A CN 201810441481 A CN201810441481 A CN 201810441481A CN 108618436 A CN108618436 A CN 108618436A
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- CN
- China
- Prior art keywords
- chassis
- groove
- office chair
- preventing
- telescopic rod
- Prior art date
- 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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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
-
- 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
-
- 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
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
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- Chairs Characterized By Structure (AREA)
Abstract
The present invention provides a kind of roller type office chair for preventing from rolling automatically, including seat and chassis, telescopic rod is equipped in the middle part of the seat lower end, and the telescopic rod is hollow-core construction, the telescopic rod inner top side is fixedly connected with lead screw, the screw lower end is rotatablely connected rotating device, the rotating device both sides are rotatablely connected two connection straps, be connected lifting gear on the outside of two connection straps, supporting rod is rotatablely connected in the middle part of the lifting gear, the supporting rod runs through the chassis, and multiple idler wheels are equipped with below the chassis.The present invention is hollow-core construction by telescopic rod, its inside is fixed with lead screw, lead screw is rotatablely connected rotating device, rotating device drives lifting gear rotation, so that supporting rod is moved upwardly or downwardly, it can be moved by idler wheel so that people takes seat, and ground is supported automatically when people leave seat support bar so that seat keeps stablizing.
Description
Technical field
The invention mainly relates to technical field of office work, relate generally to a kind of roller type office chair for preventing from rolling automatically.
Background technology
Office appliance, referring to people, used assistant product, office appliance are applied primarily to enterprise in the daily work
Unit, the type that it covers is very extensive, including:Archive files articles for use, desktop articles for use, office equipment, financial articles for use, consumptive material etc.
A series of and relevant articles for use that work.
China's current development situation of office appliance industry operation is good, and the sector enterprise is just gradually to industrialization, scale
Development, professional, efficient, energy saving is the developing direction of China's office appliance industry operation, the operation production of China's office appliance industry
Product quality have competitiveness in the international market.Intelligence grinds data research center with China office appliance industry operation demand market
It is continuous expansion and export growth, China's office appliance industry operation welcome a new opportunity to develop.
Present office chair is for convenient such as Patent No. of handling official business：200580030132.8 a kind of rotary type do
Public chair can be stretched and rotated by the axis under cushion, while lower end is that idler wheel is being seated to facilitate seat
When may be implemented roll effect, and then move get up it is more convenient.
But it is due to containing idler wheel when people does not sit on the seat, when other people are accidentally sprayed onto, due to bottom
It is collided with desktop for idler wheel to be easy to happen displacement, and then the fragile goods on tables and chairs damage or desktop is caused to be slided
The technical issues of falling damage.
Invention content
The present invention provides a kind of roller type office chair for preventing from rolling automatically, mentioned above in the background art to solve
It moves convenient when present office chair is due in order to work and then is equipped with idler wheel in office chair lower end, after people walks, due to rolling
Office chair moves when taking turns stress, and then easily collides the technical issues of causing article to damage.
To achieve the above object, the present invention provides the following technical solutions：A kind of roller type office chair for preventing from rolling automatically,
Including seat and chassis, it is equipped with telescopic rod in the middle part of the seat lower end, and the telescopic rod is hollow-core construction, in the telescopic rod
Side upper end is fixedly connected with lead screw, and the screw lower end is rotatablely connected rotating device, and the rotating device both sides are rotatablely connected two
A connection strap, be connected on the outside of two connection straps lifting gear, and supporting rod, institute are rotatablely connected in the middle part of the lifting gear
It states supporting rod and runs through the chassis, and be equipped with multiple idler wheels below the chassis.
Preferably, the rotating device includes rotation pipe, and upper and lower is equipped with first bearing on the outside of the rotation pipe, described
First bearing is fixedly connected on the inside of the chassis, and is helical structure in the rotation pipe, and the helical structure rotates
The lead screw is connected, being equipped with first on the outside of the rotation pipe fixes tooth, and the connection strap both sides are equipped with the second fixation tooth, described
First fixation tooth, which is connected described in side, second fixes tooth, and the lifting gear includes the second rotation pipe, second rotation
It is equipped with third turning gear on the outside of pipe, the second turning gear described in the other side is connected belonging third turning gear, and described the
The second helical structure is equipped on the inside of two rotation pipes, second helical structure is rotatablely connected supporting rod, and on the outside of the second rotation pipe
Upper and lower is equipped with second bearing, and the second bearing is fixedly connected in the sliding slot.
Preferably, it is equipped with sliding block above the connection strap, multiple balls are equipped with below the sliding block, are set above the chassis
There are sliding slot, multiple balls to be slidably connected in the chassis.
Preferably, two connection straps are symmetrical arranged, and are at least connected on the outside of connection strap described in side two the
Two rotation pipes.
Preferably, supporting block is fixedly connected with below the supporting rod, the supporting block is horn-like structure.
Preferably, it is fixedly connected with connection ring above the chassis, circular slab, the telescopic rod are equipped in the connection ring
Through the circular slab, and it is arranged there are three the second telescopic rod in triangular shape below the circular slab, three described second flexible
Bar is fixedly connected with chassis, and the first groove is equipped with above the circular slab, and rotation axis, the rotation are equipped in first groove
Two pedals are arranged on axis, and the connection ring side is set there are two the second groove, the second groove lower section is equipped with logical
Hole, two pedals are slidably connected the through-hole.
Preferably, first groove side, sets that there are two third groove, the third groove slidings on the circular slab
Pedal is connected, and first groove and third groove are respectively positioned on the circular slab side, top is the second groove.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention is hollow-core construction by telescopic rod, and telescopic rod inner top side is fixedly connected with lead screw, is made when people's seat is on cushion
It obtains telescopic rod to move downward, so that lead screw moves downward, to drive rotating device to rotate, rotating device rotation, which drives, to be connected
Narrow bars move, so that lifting gear rotates, the rotation of lifting gear makes supporting rod rotate, so that supporting rod is upward
Movement, so that idler wheel lands, and supporting rod is detached from ground, and the movement of office chair is more convenient when operating, and when people from
The rebound of telescopic rod makes lead screw move upwards when opening, so that they sup-port ground, so that idler wheel is detached from ground,
The supportive of office chair is more preferable.
Description of the drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is rotary device structure schematic diagram of the present invention；
Fig. 3 is lifting gear connection diagram of the present invention；
Fig. 4 is circular plate structure schematic diagram of the present invention；
Fig. 5 is rotation shaft structure schematic diagram of the present invention；
Fig. 6 is connection ring structure schematic diagram of the present invention.
In figure：1- seats, the chassis 2-, 21- idler wheels, 3- telescopic rods, 31- lead screws, 4- rotating devices, 41- rotation pipes, 42-
First bearing, 43- helical structures, 44- first fix tooth, 5- connection straps, and 51- second fixes tooth, 52- sliding blocks, 53- balls, 6-
Lifting gear, the second rotation pipes of 61-, 62- third turning gears, the second helical structures of 63-, 64- second bearings, 7- supporting rods, 8-
Connection ring, 81- circular slabs, the first grooves of 811-, 812- third grooves, the second telescopic rods of 82-, 83- rotation axis, 84- pedals,
The second grooves of 85-, 851- through-holes.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment, with reference to figure 1-6, a kind of roller type office chair for preventing from rolling automatically, including seat 1 and chassis 2, it is described
Telescopic rod 3 is equipped in the middle part of 1 lower end of seat, and the telescopic rod 3 is hollow-core construction, 3 inner top side of the telescopic rod is fixedly connected
Lead screw 31,31 lower end of the lead screw are rotatablely connected rotating device 4, and 4 both sides of the rotating device are rotatablely connected two connection straps
5, two connection straps, 5 outside is connected lifting gear 6, and 6 middle part of the lifting gear is rotatablely connected supporting rod 7, institute
It states supporting rod 7 and runs through the chassis 2, and 2 lower section of the chassis is equipped with multiple idler wheels 21.
It is hollow-core construction by telescopic rod in the present embodiment, telescopic rod inner top side is fixedly connected with lead screw, when people's seat is being sat
When on pad telescopic rod is moved downward, so that lead screw moves downward, to drive rotating device to rotate, rotating device turns
Dynamic to drive connection strap movement, so that lifting gear rotates, the rotation of lifting gear makes supporting rod rotate, so that branch
Strut moves upwards, so that idler wheel lands, and supporting rod is detached from ground, and the movement of office chair is more convenient when operating,
And the rebound of telescopic rod so that lead screw moves upwards when people leaves, so that they sup-port ground, so that idler wheel
It is detached from ground, the supportive of office chair is more preferable.
Embodiment, with reference to figure 1-3, the rotating device 4 includes rotation pipe 41, and 41 outside upper and lower of the rotation pipe is all provided with
There is first bearing 42, the first bearing 42 is fixedly connected on 2 inside of the chassis, and 41 inside of the rotation pipe is spiral knot
Structure 43, and the helical structure 43 is rotatably connected the lead screw 31,41 outside of the rotation pipe is equipped with first and fixes tooth 44, described
5 both sides of connection strap are equipped with the second fixation tooth 51, and the first fixation tooth 44, which is connected described in side, second fixes tooth 51, institute
It includes the second rotation pipe 61 to state lifting gear 6, and the outside of second rotation pipe 61 is equipped with third turning gear 62, described in the other side
Second turning gear 51 is connected belonging third turning gear 62, and second rotation pipe, 61 inside is equipped with the second helical structure
63, second helical structure 63 is rotatablely connected supporting rod 7, and 61 outside upper and lower of the second rotation pipe is equipped with second bearing
64, the second bearing 64 is fixedly connected in the chassis 2.
In the present embodiment, rotating device is equipped with the first rotational structure, lead screw rotation connection the first rotation knot due to its inside
Structure, so that rotation pipe rotates, and rotation pipe upper and lower ends are equipped with first bearing, so that it keeps steady in the longitudinal direction
Fixed, and lead screw can move downward, and be equipped with first on the outside of rotation pipe simultaneously and fix tooth, the first fixation tooth both sides are connected company
Second in narrow bars fixes tooth, so that the second fixation tooth can slide in chassis, and then drives the second of lifting gear
Third turning gear rotation on the outside of rotation pipe, so that third turning gear rotates, and is also helicitic texture on the outside of supporting rod, by
It longitudinally keeps stablizing in the second rotating bar, to which supporting rod realization is moved upwardly or downwardly, to complete support or desulfurization branch
The effect of support.
Embodiment, with reference to figure 1-3,5 top of the connection strap is equipped with sliding block 52, and 52 lower section of the sliding block is equipped with multiple balls
53,2 top of the chassis is equipped with sliding slot 22, and multiple balls 53 are slidably connected in the sliding slot 22.
In the present embodiment, due to being equipped with sliding block above connection strap, sliding block lower section is equipped with multiple balls, and is equipped with above chassis
Sliding slot, sliding block are slidably connected sliding slot so that the horizontal cross and longitudinal stability of connection strap are stronger, and ball makes connection strap
Mobility is stronger.
Embodiment, with reference to figure 1-3, two connection straps 5 are symmetrical arranged, and are at least engaged on the outside of connection strap described in side
Connect two the second rotation pipes 61.
In the present embodiment, due to connection strap be symmetrical arranged and side connection strap on the outside of be connected at least two second rotation
Pipe, to second rotation pipe that is connected on the outside of connection strap, so that the distance between second rotation pipe increases, and unilateral side is extremely
Few two the second rotation pipes so that while the supporting rod of rotation is more, and then the stability of desk is stronger.
Embodiment, with reference to figure 1,7 lower section of the supporting rod is fixedly connected with supporting block 71, and the supporting block 71 is horn-like
Structure.
In the present embodiment, due to being fixedly connected with supporting block below supporting rod, supporting block is horn-like structure, horn-like knot
Structure suction ground effect is more preferable, more preferable to the support effect of supporting rod.
Embodiment, with reference to figure 4-6,2 top of the chassis is fixedly connected with connection ring 8, and circle is equipped in the connection ring 8
Plate 81, the telescopic rod 3 runs through the circular slab 81, and 81 lower section of the circular slab is flexible there are three second in triangular shape setting
Bar 82, three second telescopic rods 82 are fixedly connected with chassis 2, and 81 top of the circular slab is equipped with the first groove 811, described
It is equipped with rotation axis 83 in first groove 811, two pedals 84, and 8 side of the connection ring are arranged in the rotation axis 83
If there are two the second groove 85, second groove, 85 lower section is equipped with through-hole 851, and two pedals 84 are slidably connected described logical
Hole 851.
In the present embodiment, due to supporting rod moves upwards and so that circular slab moves upwards, and three below circular slab
In the second telescopic rod of triangular shape so that the stability of circular slab is reinforced, and circular slab is equipped in the first groove and is equipped with rotation
Axis, rotation axis are arranged with two pedals, and rotation axis makes two pedal initial shapes be kept at an angle, and work as on pedal not
It may be implemented to spring back when stress, while connection ring is equipped with the second groove, through-hole is equipped with below the second groove, so that pedal
Through-hole can be run through when not in use in the second groove, pedal moves upwards simultaneously because pedal when circular slab moves upwards
It is inclined to set, to which pedal is slidably connected above the second groove, when circular slab reaches maximum, pedal is and connection ring
Outside, when foot steps on pedal rotated, to trampling for more convenient foot.
Embodiment, with reference to figure 4-6,811 side of the first groove sets that there are two third grooves on the circular slab 81
812, the third groove 812 is slidably connected pedal 84, and first groove 811 and third groove 812 are respectively positioned on the circle
81 side of shape plate, top are the second groove 85.
In the present embodiment, due to the first groove side, set on circular slab there are two third groove so that pedal can
Rotate radian increase so that and the first groove and third groove are respectively positioned on circular slab side, to reduce the length of pedal.
In conclusion the present invention is hollow-core construction by telescopic rod, telescopic rod inner top side is fixedly connected with lead screw, when people sits
When on cushion telescopic rod is moved downward, so that lead screw moves downward, to drive rotating device to rotate.
For rotating device since its inside is equipped with the first rotational structure, lead screw is rotatablely connected the first rotational structure, so that
Rotation pipe rotates, and rotation pipe upper and lower ends are equipped with first bearing, so that it keeps stabilization in the longitudinal direction, and lead screw can be with
It moves downward, and is equipped with first on the outside of rotation pipe simultaneously and fixes tooth, first fixes second that tooth both sides are connected on connection strap
Fixed tooth so that the second fixation tooth can slide in chassis, and then drives on the outside of the second rotation pipe of lifting gear
Third turning gear rotates, so that third turning gear rotates, and on the outside of supporting rod is also helicitic texture, due to the second rotating bar
It is longitudinal to keep stablizing, to which supporting rod realization is moved upwardly or downwardly, to complete the effect of support or desulfurization support, work as work
The movement of office chair is more convenient when making, and the rebound of telescopic rod so that lead screw moves upwards when people leaves, so that branch
Strut supports ground, so that idler wheel is detached from ground, the supportive of office chair is more preferable.
Also, due to supporting rod moves upwards and so that circular slab moves upwards, and three below circular slab are in triangle
Second telescopic rod of shape so that the stability of circular slab is reinforced, and circular slab is equipped in the first groove and is equipped with rotation axis, rotation
Axial symmetry is set there are two pedal, and rotation axis makes two pedal initial shapes be kept at an angle, and when not stressing on pedal
It may be implemented to spring back, while connection ring is equipped with the second groove, through-hole is equipped with below the second groove, so that pedal does not make
Used time can run through through-hole in the second groove, and when circular slab moves upwards, pedal moves upwards simultaneously because pedal is inclined
Setting, to which pedal is slidably connected above the second groove, when circular slab reaches maximum pedal be on the outside of connection ring,
When foot steps on, pedal is being rotated, to trampling for more convenient foot.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
Understanding without departing from the principles and spirit of the present invention can carry out these embodiments a variety of variations, modification, replace
And modification, the scope of the present invention is defined by the appended.
Claims (7)
1. a kind of roller type office chair for preventing from rolling automatically, including seat（1）The chassis and（2）, it is characterised in that：The seat
（1）Telescopic rod is equipped in the middle part of lower end（3）, and the telescopic rod（3）For hollow-core construction, the telescopic rod（3）Inner top side is fixed
Connection wire rod（31）, the lead screw（31）Lower end is rotatablely connected rotating device（4）, the rotating device（4）The both sides company of rotation
Connect two connection straps（5）, two connection straps（5）Outside is connected lifting gear（6）, the lifting gear（6）In
Portion is rotatablely connected supporting rod（7）, the supporting rod（7）Through the chassis（2）, and the chassis（2）Lower section is equipped with multiple rollings
Wheel（21）.
2. a kind of roller type office chair for preventing from rolling automatically according to claim 1, it is characterised in that：The rotating dress
It sets（4）Including rotation pipe（41）, the rotation pipe（41）Outside upper and lower is equipped with first bearing（42）, the first bearing
（42）It is fixedly connected on the chassis（2）Inside, and the rotation pipe（41）Inside is helical structure（43）, and the spiral knot
Structure（43）Be rotatably connected the lead screw（31）, the rotation pipe（41）Outside is equipped with first and fixes tooth（44）, the connection strap（5）
Both sides are equipped with the second fixation tooth（51）, described first fixes tooth（44）Be connected the second fixation tooth described in side（51）, institute
State lifting gear（6）Including the second rotation pipe（61）, second rotation pipe（61）Outside is equipped with third turning gear（62）, another
Second turning gear described in side（51）Be connected belonging third turning gear（62）, and second rotation pipe（61）Inside is set
There is the second helical structure（63）, second helical structure（63）It is rotatablely connected supporting rod（7）, and the second rotation pipe（61）Outside
Upper and lower is equipped with second bearing（64）, the second bearing（64）It is fixedly connected on the chassis（2）It is interior.
3. a kind of roller type office chair for preventing from rolling automatically according to claim 2, it is characterised in that：The connection strap
（5）Top is equipped with sliding block（52）, the sliding block（52）Lower section is equipped with multiple balls（53）, the chassis（2）Top is equipped with sliding slot
（22）, multiple balls（53）It is slidably connected to the sliding slot（22）It is interior.
4. a kind of roller type office chair for preventing from rolling automatically according to claim 2, it is characterised in that：Two companies
Narrow bars（5）It is symmetrical arranged, and two the second rotation pipes that are at least connected on the outside of connection strap described in side（61）.
5. a kind of roller type office chair for preventing from rolling automatically according to claim 1, it is characterised in that：The supporting rod
（7）Lower section is fixedly connected with supporting block（71）, the supporting block（71）For horn-like structure.
6. a kind of roller type office chair for preventing from rolling automatically according to claim 1, it is characterised in that：The chassis
（2）Top is fixedly connected with connection ring（8）, the connection ring（8）It is interior to be equipped with circular slab（81）, the telescopic rod（3）Through institute
State circular slab（81）, and the circular slab（81）In triangular shape setting, there are three the second telescopic rods for lower section（82）, three described
Two telescopic rods（82）It is fixedly connected with chassis（2）, and the circular slab（81）Top is equipped with the first groove（811）, described first is recessed
Slot（811）It is interior to be equipped with rotation axis（83）, the rotation axis（83）On be arranged with two pedals（84）, and the connection ring（8）
Side is set there are two the second groove（85）, second groove（85）Lower section is equipped with through-hole（851）, two pedals（84）It is sliding
The dynamic connection through-hole（851）.
7. a kind of roller type office chair for preventing from rolling automatically according to claim 6, it is characterised in that：Described first is recessed
Slot（811）Side, the circular slab（81）On set there are two third groove（812）, the third groove（812）It is slidably connected and steps on
Plate（84）, and first groove（811）With third groove（812）It is respectively positioned on the circular slab（81）Side, top are the
Two grooves（85）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441481.8A CN108618436A (en) | 2018-05-10 | 2018-05-10 | A kind of roller type office chair for preventing from rolling automatically |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810441481.8A CN108618436A (en) | 2018-05-10 | 2018-05-10 | A kind of roller type office chair for preventing from rolling automatically |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108618436A true CN108618436A (en) | 2018-10-09 |
Family
ID=63692469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810441481.8A Withdrawn CN108618436A (en) | 2018-05-10 | 2018-05-10 | A kind of roller type office chair for preventing from rolling automatically |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108618436A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110754829A (en) * | 2019-11-15 | 2020-02-07 | 青岛泽昊汽车配件有限公司 | Novel electric lifting chair |
-
2018
- 2018-05-10 CN CN201810441481.8A patent/CN108618436A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110754829A (en) * | 2019-11-15 | 2020-02-07 | 青岛泽昊汽车配件有限公司 | Novel electric lifting chair |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20181009 |
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| WW01 | Invention patent application withdrawn after publication |