CN204120595U - A kind of chair with handrail tilting gearing - Google Patents
A kind of chair with handrail tilting gearing Download PDFInfo
- Publication number
- CN204120595U CN204120595U CN201420227860.4U CN201420227860U CN204120595U CN 204120595 U CN204120595 U CN 204120595U CN 201420227860 U CN201420227860 U CN 201420227860U CN 204120595 U CN204120595 U CN 204120595U
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- CN
- China
- Prior art keywords
- handrail
- tilting gearing
- chair
- spin block
- spill spin
- 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.)
- Expired - Fee Related
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- 238000009434 installation Methods 0.000 claims abstract description 8
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 7
- 239000010959 steel Substances 0.000 claims abstract description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000008520 organization Effects 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 210000002414 leg Anatomy 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000006820 Arthralgia Diseases 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 208000011580 syndromic disease Diseases 0.000 description 1
- 210000000115 thoracic cavity Anatomy 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- Invalid Beds And Related Equipment (AREA)
Abstract
The utility model relates to a kind of chair with handrail tilting gearing, user can press the controlling organization that handrail is provided with below, driving the valve switch controlling the lifting of gas bar to control strut drive of stretching by steel wire rope makes spill spin block rotate, the installation base be provided with due to spill spin block both sides is fixedly mounted on installing rack through the second pin-and-hole, installing rack is failure to actuate, therefore spill spin block is rotated, the handrail erecting bed be arranged on spill spin block backboard moves upward downwards, realize the object of handrail up-down adjustment, compared with prior art, there is structure simple, easy to use, production cost is low, the advantage of energy-conserving and environment-protective.
Description
Technical field
The utility model relates to a kind of chair with handrail tilting gearing.
Background technology
A variety of chair, particularly office chair, can weight activated backward tilt.This means that user moves its weight and just the back-rest of chair can be tilted to reclined position.When its weight is moved back into orthostatism by user, or when the user departs, chair turns back to intermediate position.This phenomenon is commonly called " passive ".When the user shifts his/her weight forward, back portion is returned its stand up position by spring.Some office chairs are configured to along with the inclined seat portion of backrest also moves, and are commonly referred to as synchronous.Sometimes seat portion is fixed on backrest, makes them with equal angular pivotable, and in other chair, seat portion is configured to the slope relative to backrest and has decline in various degree or rising, causes the motion of backrest and seat portion different angles.The handrail of the chair of this mechanism is generally divided into two kinds of modes to install, one is on fixed installation base, can move up and down and regulate height, disclosed in Hon Tech Inc. a China Patent No. be 200480041094.1 can the armrest of Level tune, comprise the installation elements be connected with seat, this element has upper base, be arranged on the first and second sliding members on described base, described sliding members can move in orthogonal both direction substantially, wherein each described sliding members has slit and comprises the securing member being arranged in described slit.The handrail of this structure is when chair tilts, and its tail end turning fulcrum and user's arm stage casing offset, and cause klumpke-Dejerine syndrome, affect the comfortableness of product.
Another kind is fixedly mounted on backrest plate or the parallel bracing frame of backboard, along with backrest plate displacement, it is the patent of invention of the reclining device of 200510075226.9 chairs by name as China Patent No., it is provided with a seat board supporting user thigh, a backboard supporting user's thoracic vertebrae portion and one are arranged at below seat board and connection bracket leg thus make the inclined base that seat board and backboard can tilt, and wherein this reclining device comprises: one is arranged between seat board and backboard to support the plate of backing up of user's waist; Be connected to the first hinge axis of the seat frame front portion of seat board; Be connected to the second hinge axis of the back rest lower end of seat frame rear portion and backboard; Be connected to the 3rd hinge axis of the frame lower end of backing up of inclined base front portion and plate of backing up; Be connected to the 4th hinge axis of the back rest middle part of backboard and the frame middle part of backing up of plate of backing up; The first and the 3rd connector before hinge axis is connected to one.This reclining device can comprise the handrail of the frame of backing up being connected to plate of backing up for a pair further to support the arm of user.This reclining device can comprise a connection further and to back up the cushion of plate and backboard, thus makes this cushion uphold according to the banking motion of chair or shorten.This cushion can be connected to the front surface of backboard and the front surface of plate of backing up.Selectively, this reclining device can comprise the common mat being connected to backboard and backing up plate front surface further, and common mat is interconnected by cushion.Although the handrail of this structure can along with backrest plate displacement, but people is in tilting procedure, the angle of arm and health is continuous increase, and the handrail of this structure and the angle of backboard immobilize, mobile before causing user's arm picture, center of gravity drops on arm joint, makes arthralgia, affects the comfortableness of product.
Utility model content
The utility model is for the defect of above-mentioned existence, the technical scheme of technical problem to be solved and proposition is: provide a kind of structure simple, produce easily, handrail is located away from seat, inclination angle of handrail is not by the impact of seat, and user can according to the tilting gearing self needing adjustable handrail height.
The utility model realizes with the following methods: a kind of chair with handrail tilting gearing, comprise backboard, seat board and a rack leg be arranged at below described seat board, described backboard rear is provided with one and backs up plate, wherein, described plate two ends of backing up respectively are provided with a first symmetrical erecting bed, it has a pin-and-hole on the surface, pin-and-hole is provided with the first bearing pin, described first bearing pin is socketed with an installing rack, one end that first bearing pin runs through installing rack is fixed on the first erecting bed, the other end of described installing rack is fixedly mounted on decorative panel, installing rack middle section position is provided with a tilting gearing.Described tilting gearing comprises the second bearing pin that strut, spill spin block and spill spin block are provided with, one end of described strut is fixedly mounted on backboard or seat board, its other end is provided with movable axis aperture frame, movable axis aperture frame is socketed on the second bearing pin, and the two ends of the second bearing pin are fixedly mounted on the bearing boss that spill spin block front surface is provided with.
In the tilting gearing of above-mentioned armrests, described installing rack has the second pin-and-hole, the installation base that described spill spin block is provided with by its both sides is fixedly mounted on installing rack through the second pin-and-hole.
In the tilting gearing of above-mentioned armrests, the corresponding handrail erecting bed place of described plaque surface has can for the loose slot of handrail erecting bed displacement, handrail erecting bed extends to outside decorative panel, and exceed on decorative panel part surface and have screw, handrail is fixedly mounted on handrail erecting bed by nut.
In the tilting gearing of above-mentioned armrests, described strut is a gas bar.
In the tilting gearing of above-mentioned armrests, be provided with a controlling organization below described handrail, controlling organization be connected with a steel wire rope, the other end of steel wire rope is connected to the valve switch controlling the lifting of gas bar.
The beneficial effects of the utility model are: 1) handrail is located away from seat, and inclination angle of handrail is not by the impact of seat, and user can according to self needing adjustable handrail height; 2) controlling organization is arranged on below handrail, makes user the moment can touch controlling organization, very convenient, and compared with prior art, have structure simple, easy to use, production cost is low, the advantage of energy-conserving and environment-protective.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model is described in further detail.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is the structural representation of tilting gearing.
State diagram when Fig. 3 is the utility model inactive state.
State diagram when Fig. 4 is utility model works state.
Detailed description of the invention
Below in conjunction with accompanying drawing, the utility model is further elaborated.
As shown in the figure, a kind of tilting gearing of armrests 19, comprise backboard 1, seat board 2 and a rack leg 3 be arranged at below described seat board 2, described backboard 1 rear is provided with one and backs up plate 4, wherein, described plate 4 two ends of backing up respectively are provided with a first symmetrical erecting bed 5, it has a pin-and-hole 6 on the surface, pin-and-hole 6 is provided with the first bearing pin 7, described first bearing pin 7 is socketed with an installing rack 8, one end that first bearing pin 7 runs through installing rack 8 is fixed on the first erecting bed 5, the other end of described installing rack 8 is fixedly mounted on decorative panel 9, installing rack 8 middle section position is provided with a tilting gearing.Described tilting gearing comprises the second bearing pin 12 that strut 10, spill spin block 11 and spill spin block 11 are provided with, one end of described strut 10 is fixedly mounted on backboard 1 or seat board 2, its other end is provided with movable axis aperture frame 13, movable axis aperture frame 13 is socketed on the second bearing pin 12, and the two ends of the second bearing pin 12 are fixedly mounted on the bearing boss 14 that spill spin block 11 front surface is provided with.
In the tilting gearing of above-mentioned armrests 19, described installing rack 8 has the second pin-and-hole 6, the installation base 15 that described spill spin block 11 is provided with by its both sides is fixedly mounted on installing rack 8 through the second pin-and-hole 6.
In the tilting gearing of above-mentioned armrests 19, described spill spin block 11 backboard is provided with handrail 19 erecting bed 16, surperficial corresponding handrail 19 erecting bed 16 place of described decorative panel 9 has can for the loose slot 17 of handrail 19 erecting bed 16 displacement, handrail 19 erecting bed 16 extends to outside decorative panel 9, exceed on decorative panel 9 part surface and have screw, handrail 19 is fixedly mounted on handrail 19 erecting bed 16 by loose slot 18.
In the tilting gearing of above-mentioned armrests 19, described strut 10 is a gas bar.
In the tilting gearing of above-mentioned armrests 19, described handrail 19 is provided with a controlling organization below, controlling organization is connected with a steel wire rope, and the other end of steel wire rope is connected to the valve switch 20 controlling the lifting of gas bar.
During use, user presses the controlling organization that handrail 19 is provided with below, the valve switch 20 controlling the lifting of gas bar is driven by steel wire rope, if strut 10 extends, by its upper end be provided with movable axis aperture frame 13 overlap then second bearing pin 12 drive make spill spin block 11 to top offset, the installation base 15 be provided with due to spill spin block 11 both sides is fixedly mounted on installing rack 8 through the second pin-and-hole 6, installing rack 8 is failure to actuate, therefore spill spin block 11 is rotated, handrail 19 erecting bed 16 be arranged on spill spin block 11 backboard moves downward, thus realize the object that handrail 19 upwards regulates, in like manner, if strut 10 shortens, by its upper end be provided with movable axis aperture frame 13 overlap then second bearing pin 12 drive make spill spin block 11 to bottom offset, the installation base 15 be provided with due to spill spin block 11 both sides is fixedly mounted on installing rack 8 through the second pin-and-hole 6, installing rack 8 is failure to actuate, therefore spill spin block 11 is rotated, handrail 19 erecting bed 16 be arranged on spill spin block 11 backboard moves upward, thus realize the object of handrail 19 adjustment downwards.
The beneficial effects of the utility model are: 1) handrail 19 is located away from seat, and handrail 19 angle of inclination is not by the impact of seat, and user can according to self needing adjustable handrail 19 height; 2) controlling organization is arranged on below handrail 19, makes user the moment can touch controlling organization, very convenient, and compared with prior art, have structure simple, easy to use, production cost is low, the advantage of energy-conserving and environment-protective.
With above-mentioned according to desirable embodiment of the present utility model for enlightenment, by above-mentioned description, relevant staff in the scope not departing from this utility model technological thought, can carry out various change and amendment completely.The technical scope of this utility model is not limited to the content on description, must determine its technical scope according to right.
Claims (7)
1. the chair with handrail tilting gearing, comprise backboard, seat board and a rack leg be arranged at below described seat board, described backboard rear is provided with one and backs up plate, it is characterized in that, described plate two ends of backing up respectively are provided with a first symmetrical erecting bed, it has a pin-and-hole on the surface, pin-and-hole is provided with the first bearing pin, described first bearing pin is socketed with an installing rack, one end that first bearing pin runs through installing rack is fixed on the first erecting bed, the other end of described installing rack is fixedly mounted on decorative panel, and installing rack middle section position is provided with a tilting gearing.
2. a kind of chair with handrail tilting gearing according to claim 1, it is characterized in that, described tilting gearing comprises the second bearing pin that gangbar, spill spin block and spill spin block are provided with, one end of described gangbar is fixedly mounted on backboard or seat board, its other end is provided with movable axis aperture frame, movable axis aperture frame is socketed on the second bearing pin, and the two ends of the second bearing pin are fixedly mounted on the bearing boss that spill spin block front surface is provided with.
3. according to a kind of chair with handrail tilting gearing according to claim 1 or claim 2, it is characterized in that, described installing rack has the second pin-and-hole, the installation base that described spill spin block is provided with by its both sides is fixedly mounted on installing rack through the second pin-and-hole.
4. a kind of chair with handrail tilting gearing according to claim 2, is characterized in that, described spill spin block backboard is provided with handrail erecting bed, and handrail erecting bed has screw, and handrail is fixedly mounted on handrail erecting bed by nut.
5. a kind of chair with handrail tilting gearing according to claim 1, is characterized in that, the corresponding handrail erecting bed place of described plaque surface has can for the loose slot of handrail erecting bed displacement.
6. a kind of chair with handrail tilting gearing according to claim 4, is characterized in that there is a button below handrail, controls gas lever switch by steel wire rope.
7. a kind of chair with handrail tilting gearing according to claim 2, is characterized in that, described gangbar is a hydraulic strut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227860.4U CN204120595U (en) | 2014-05-06 | 2014-05-06 | A kind of chair with handrail tilting gearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420227860.4U CN204120595U (en) | 2014-05-06 | 2014-05-06 | A kind of chair with handrail tilting gearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204120595U true CN204120595U (en) | 2015-01-28 |
Family
ID=52376994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420227860.4U Expired - Fee Related CN204120595U (en) | 2014-05-06 | 2014-05-06 | A kind of chair with handrail tilting gearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204120595U (en) |
-
2014
- 2014-05-06 CN CN201420227860.4U patent/CN204120595U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 |