CN206499204U - A kind of Chair underframe - Google Patents
A kind of Chair underframe Download PDFInfo
- Publication number
- CN206499204U CN206499204U CN201621222724.1U CN201621222724U CN206499204U CN 206499204 U CN206499204 U CN 206499204U CN 201621222724 U CN201621222724 U CN 201621222724U CN 206499204 U CN206499204 U CN 206499204U
- Authority
- CN
- China
- Prior art keywords
- main frame
- chassis main
- keeper
- bolt
- spring
- 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.)
- Active
Links
Landscapes
- Chairs Characterized By Structure (AREA)
Abstract
The utility model is related to a kind of Chair underframe, including chassis main frame, also include the movable part for the connecting chair chair back, the movable part is hinged by first axle with the chassis main frame, nut is fixed with the movable part, the nut thread is connected with bolt, and the other end of the bolt is fixedly connected with spring cup, and spring is provided between the movable part and the spring cup.Chair back hypsokinesis, movable part rotates around first axle, drives bolt, spring cup displacement, and spring can produce resistance to movable part, hinder movable part rotation.Nut is connected through a screw thread with bolt, bolt rotation is set to change the relative position of bolts and nuts, relative position between spring cup and movable part changes, so as to compress or release spring, i.e. regulation spring resists the size of the power of movable part rotation, it is embodied in the impression of user, is exactly the change of seat reclining tightness backward.
Description
Technical field
The utility model is related to a kind of Chair underframe.
Background technology
In one day of most people, the most of the time is to complete work and rest on the seat, and the design of seat is non-
It is often important, the operating efficiency and physical and mental health of real user can be directly affected.The seat of existing seat back adjustable inclination, for reality
User loosens, rested.For somebody, vertebra is not fine, in the seat using this back adjustable inclination, it is necessary to which seat inclines
Face upward that degree is smaller, reduce the infringement to vertebra；For somebody, due to operating pressure than larger, it is necessary to seat reclining degree
Than larger, it is easier to loosen, depressurize.During individual's purchase, the suitable seat of oneself can be found by taking for a trial, and be needed for seat
Maximum office space is asked, volume procurement is substantially, it is difficult to specific to each Man's Demands.
The content of the invention
The utility model is in view of the above-mentioned problems, provide a kind of Chair underframe.
Technical solution adopted in the utility model is as follows：A kind of Chair underframe, including chassis main frame, also include use
In the movable part of the connecting chair chair back, the movable part is hinged by first axle with the chassis main frame, the activity
Nut is fixed with part, the nut thread is connected with bolt, and the other end of the bolt is fixedly connected with spring cup, institute
State and spring is provided between chassis main frame and the spring cup.
It is connected by screw between the bolt and the spring cup, bolt can be driven to rotate by torsional spring lid.
The spring housing is on the bolt.
The chassis main frame is made up of iron material, and the chassis main frame is provided with the 3rd keeper, the 3rd positioning
Part, which is provided with, is used for the annular groove through the through hole of bolt and for limiting the spring, and the 3rd keeper is iron material weldment
By being welded and fixed.
The movable part end is provided with gear part, and the gear part is provided with some slots, and the slot is along the work
Dynamic component rotation direction row sets, and the chassis main frame is provided with second handle, the second revolving part, connector, locking plate, described the
Two handles connect the second revolving part through the chassis main frame and circumferentially linked with second revolving part, second rotation
Part connects one end of the connector, and the connector connects one end of the locking plate, and the other end correspondence of the locking plate is described
Gear piece, the middle part of the locking plate is through there is the second axle, and second axle is fixed on the chassis main frame.
The chassis main frame is provided with the used tubing for stretching into air pressure rod, and the chassis main frame is provided with first-hand
Handle, the first handle is connected with the first revolving part through the chassis main frame side wall and circumferentially linked with it, the chassis
The drive rod for being used for driving air pressure rod is provided with main frame, the two ends of the drive rod are located at first revolving part and rotated respectively
Direction and the exit of the tubing, the chassis main frame are fixed with the first keeper, and the chassis main frame is provided with
First pivot pin, first pivot pin passes through the drive rod and the first keeper.
Left limit part, right limit are respectively equipped between the drive rod and the chassis main frame and first keeper
Part, first pivot pin sequentially passes through the chassis main frame, right limit part, drive rod, left limit part, the first keeper.
The chassis main frame is fixed with the second keeper, the first handle sequentially pass through the chassis main frame,
First revolving part, the second keeper.
The chassis main frame is made up of iron material, and first keeper, the second keeper, tubing are that iron material weldment leads to
Cross and be welded and fixed.
The beneficial effects of the utility model are as follows：Chair back hypsokinesis, movable part rotates around first axle, drive bolt,
Spring cup displacement, spring can produce resistance to spring cup, hinder movable part rotation.Nut is connected through a screw thread with bolt,
Bolt rotation is set to change the relative position of bolts and nuts, the relative position between spring cup and chassis main frame becomes
Change, so as to compress or release spring, that is, adjust the size of the power of spring resistance movable part rotation, be embodied in the impression of user
On, it is exactly the change of seat reclining tightness backward.
Brief description of the drawings
Fig. 1 is the structural representation of Chair underframe.
Fig. 2 is the diagrammatic cross-section of Chair underframe.
Fig. 3 is the part-structure schematic diagram that Chair underframe realizes adjustment back tilting angle function.
Fig. 4 is the part-structure schematic diagram that Chair underframe realizes adjustment height of seat function.
Fig. 5 is the structural representation of chassis main frame.
In figure, 1, first handle；2, the first revolving part；3, left limit part；4, right limit part；5, the first pivot pin；6, driving
Bar；7, the second keeper；8, chassis main frame；9, the first keeper；10, tubing；12, locking plate；13, gear part；14, second
Axle；15, connector；16, the second revolving part；17, second handle；18, movable part；19, first axle；20, nut；22, bolt；
23, spring；24, spring cup；26, screw；27, the 3rd keeper.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the utility model can be better described.
A kind of Chair underframe, including chassis main frame 8, also include the movable part 18 for the connecting chair chair back, institute
State movable part 18 to be hinged with the chassis main frame 8 by first axle 19, nut 20 be fixed with the movable part 18,
The nut 20 is threaded with bolt 22, and the other end of the bolt 22 is fixedly connected with spring cup 24, the main frame in chassis
Spring 23 is provided between frame 8 and the spring cup 24.Chair back hypsokinesis, movable part rotates around first axle, drives bolt, bullet
Spring lid displacement, spring can produce resistance to movable part, hinder movable part rotation.As shown in Fig. 2 Chair back hypsokinesis,
Movable part is around first axle rotate counterclockwise, if nut is arranged on the left side of first axle, spring should produce pulling force, if spring is pacified
Mounted in the right side of first axle, then spring should produce thrust.Nut is connected through a screw thread with bolt, bolt rotation is changed spiral shell
The relative position of bolt and nut, the relative position between spring cup and movable part changes, so that compress or release spring,
I.e. the size of the power of regulation spring resistance movable part rotation, is embodied in the impression of user, is exactly seat reclining pine backward
The change of tight degree.
Connected between the bolt 22 and the spring cup 24 by screw 26, spiral shell is driven by torsional spring lid 24 immediately
Bolt 22 rotates.It can also be that bolt passes through spring cup, direct swivel bolt, but can seem not simple enough on constructional appearance
It is clean.
The spring 23 is enclosed on the bolt 22.Spring can be along the axial Direction distortion of bolt, it is not easy to which one defends.
The chassis main frame 8 is made up of iron material, and the chassis main frame 8 is provided with the 3rd keeper 27, the described 3rd
Keeper 27, which is provided with, is used for the annular groove through the through hole of bolt 22 and for limiting the spring 23, the 3rd keeper
27 be iron material weldment by being welded and fixed.Existing Chair underframe main frame is mostly aluminium alloy casting, and cost is high, is made with iron material
Manufacturing cost can be greatly reduced for raw material casting, the part being fixedly connected with chassis main frame is all welded and fixed with iron material, into
This is low, and technique is simple, solid and reliable.
As shown in figure 3, the end of movable part 18 is provided with gear part 13, the gear part 13 is provided with some slots,
The slot is set along the rotation direction of movable part 18 row, and the chassis main frame 8 rotates provided with second handle 17, second
Part 16, connector 15, locking plate 12, the second handle 17 pass through the second revolving part of the chassis main frame 8 connection 16 simultaneously and it
Circumferential linkage, second revolving part 16 connects one end of the connector 15, and the connector connects the one of the locking plate 12
End, the other end correspondence gear piece 13 of the locking plate, the middle part of the locking plate, which is passed through, the second axle 14, second axle 14
It is fixed on the chassis main frame 8.Second handle is rotated, the rotation of the second revolving part, band follower link movement, so that band is driven
Dynamic locking plate realizes that locking plate inserts or left the slot on gear part around the second axle swing offset, realizes locking and unlocks, gear part
On slot for the different angle of inclination of Chair back, realize the adjustment and locking at Chair back angle of inclination.
As shown in figure 4, the chassis main frame 8 is provided with the used tubing 10 for stretching into air pressure rod, the chassis main frame 8
Be provided with first handle 1, the first handle 1 through the side wall of chassis main frame 8 be connected with the first revolving part 2 and with its week
The drive rod 6 for being used for driving air pressure rod is provided with to linkage, in the chassis main frame 8, the two ends of the drive rod 6 are located at respectively
The direction of rotation of first revolving part 2 and the exit of the tubing 10, the chassis main frame 8 are fixed with the first keeper
9, the chassis main frame 8 is provided with the first pivot pin 5, and first pivot pin 5 passes through the keeper 9 of drive rod 6 and first.Rotation
Turning first handle rotates the first revolving part, promotes drive rod to be rotated around the first pivot pin, and the air pressure rod in driving tubing changes seat
The height of chair.
Left limit part 3, the right side are respectively equipped between the drive rod 6 and the chassis main frame 8 and first keeper 9
Locating part 4, first pivot pin 5 sequentially passes through the chassis main frame 8, right limit part 4, drive rod 6, left limit part 3, first
Keeper 9.Left limit part and right limit part are spacing to the progress of drive rod both sides, prevent from rocking.
The chassis main frame 8 is fixed with the second keeper 7, and the first handle 1 sequentially passes through the main frame in the chassis
Frame 8, the first revolving part 2, the second keeper 7.So first handle and the first revolving part is difficult to rock.
The chassis main frame 8 is made up of iron material, and first keeper 9, the second keeper 7, tubing 10 are iron material
Weldment is by being welded and fixed.
A kind of embodiment of the present utility model is the foregoing is only, not for limiting protection domain of the present utility model；
Protection domain of the present utility model is limited by the claim in claims, and it is every according to utility model made it is equivalent
Change and modification, all within the protection domain of the utility model patent.
Claims (9)
1. a kind of Chair underframe, including chassis main frame（8）, it is characterised in that also include the work for the connecting chair chair back
Dynamic component（18）, the movable part（18）Pass through first axle（19）With the chassis main frame（8）It is hinged, the movable part
（18）On be fixed with nut（20）, the nut（20）It is threaded with bolt（22）, the bolt（22）The other end consolidate
Surely it is connected with spring cup（24）, the chassis main frame（8）With the spring cup（24）Between be provided with spring（23）.
2. Chair underframe according to claim 1, it is characterised in that：The bolt（22）With the spring cup（24）Between
Pass through screw（26）Connection, passes through torsional spring lid（24）Bolt can be driven（22）Rotation.
3. Chair underframe according to claim 1, it is characterised in that：The spring（23）It is enclosed on the bolt（22）On.
4. the Chair underframe according to claim any one of 1-3, it is characterised in that：The chassis main frame（8）For iron material
It is made, the chassis main frame（8）It is provided with the 3rd keeper（27）, the 3rd keeper（27）Provided with for through bolt
（22）Through hole and for limiting the spring（23）Annular groove, the 3rd keeper（27）Pass through weldering for iron material weldment
Connect fixation.
5. Chair underframe according to claim 1, it is characterised in that：The movable part（18）End is provided with gear part
（13）, the gear part（13）Some slots are provided with, the slot is along the movable part（18）Rotation direction row sets, described
Chassis main frame（8）It is provided with second handle（17）, the second revolving part（16）, connector（15）, locking plate（12）, the second-hand
Handle（17）Through the chassis main frame（8）Connect the second revolving part（16）And circumferentially linked with it, second revolving part
（16）Connect the connector（15）, the connector（15）Connect the locking plate（12）One end, the other end of the locking plate
The correspondence gear part（13）, the middle part of the locking plate, which is passed through, the second axle（14）, second axle（14）It is fixed on the bottom
Disk main frame（8）On.
6. Chair underframe according to claim 1, it is characterised in that：The chassis main frame（8）Stretched into provided with used
The tubing of air pressure rod（10）, the chassis main frame（8）It is provided with first handle（1）, the first handle（1）Through the bottom
Disk main frame（8）Side wall is connected with the first revolving part（2）And with first revolving part（2）Circumferential linkage, the main frame in chassis
Frame（8）It is interior to be provided with the drive rod for being used for driving air pressure rod（6）, the drive rod（6）Two ends respectively be located at described first rotation
Part（2）Direction of rotation and the tubing（10）Exit, the chassis main frame（8）It is fixed with the first keeper（9）, institute
State chassis main frame（8）It is provided with the first pivot pin（5）, first pivot pin（5）Through the drive rod（6）With the first keeper
（9）.
7. Chair underframe according to claim 6, it is characterised in that：The drive rod（6）With the chassis main frame（8）
With first keeper（9）Between be respectively equipped with left limit part（3）, right limit part（4）, first pivot pin（5）Wear successively
Cross the chassis main frame（8）, right limit part（4）, drive rod（6）, left limit part（3）, the first keeper（9）.
8. Chair underframe according to claim 6, it is characterised in that：The chassis main frame（8）Second is fixed with to determine
Position part（7）, the first handle（1）Sequentially pass through the chassis main frame（8）, the first revolving part（2）, the second keeper（7）.
9. Chair underframe according to claim 8, it is characterised in that：The chassis main frame（8）It is made up of iron material, it is described
First keeper（9）, the second keeper（7）, tubing（10）It is iron material weldment by being welded and fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222724.1U CN206499204U (en) | 2016-11-14 | 2016-11-14 | A kind of Chair underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621222724.1U CN206499204U (en) | 2016-11-14 | 2016-11-14 | A kind of Chair underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206499204U true CN206499204U (en) | 2017-09-19 |
Family
ID=59842713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621222724.1U Active CN206499204U (en) | 2016-11-14 | 2016-11-14 | A kind of Chair underframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206499204U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894618A (en) * | 2019-04-03 | 2019-06-18 | 嘉兴市永泰五金塑料有限责任公司 | It is a kind of high intensity blending formula chair wave gear part and preparation method thereof |
-
2016
- 2016-11-14 CN CN201621222724.1U patent/CN206499204U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109894618A (en) * | 2019-04-03 | 2019-06-18 | 嘉兴市永泰五金塑料有限责任公司 | It is a kind of high intensity blending formula chair wave gear part and preparation method thereof |
| CN109894618B (en) * | 2019-04-03 | 2021-10-08 | 嘉兴市永泰五金塑料有限责任公司 | High-strength mixed chair swinging gear piece and manufacturing method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207012485U (en) | Massaging health-care chair | |
| CN203885071U (en) | Adjustable office chair | |
| CN206499204U (en) | A kind of Chair underframe | |
| CN201304047Y (en) | Liftable fixing massage bed | |
| CN109045597A (en) | A kind of exercising apparatus suitable for rehabilitation and body-building | |
| CN203724411U (en) | Massage sofa | |
| CN207654618U (en) | A kind of multifunctional massage chair | |
| CN206228567U (en) | A kind of oral cavity comprehensive treatment chair with clamping function | |
| CN212165372U (en) | Waist-supporting back-pulling posture-correcting chair | |
| CN207012489U (en) | A kind of cervical muscle trains head clamping device | |
| CN208837374U (en) | A kind of adjustable gardens rest chair | |
| CN206933858U (en) | A kind of child growth health seat | |
| CN206424479U (en) | It is a kind of to stretch the bicycle body-building apparatus of waist | |
| CN205338280U (en) | Chair | |
| CN105146938B (en) | One kind has lifting and massage functions tables and chairs | |
| CN209694590U (en) | A kind of office office revolving chair for being convenient for changing cushion | |
| CN206714897U (en) | Neurological examination chair | |
| CN107232829A (en) | Adapt to individual character ergonomic alloy seat | |
| CN209548606U (en) | A kind of standpipe retaining mechanism | |
| CN206354750U (en) | A kind of Chair underframe | |
| CN102100615B (en) | Multifunctional electric cart facilitating defecation of high paraplegia patient | |
| CN211582355U (en) | Portable child health care seat | |
| CN207041306U (en) | A kind of manual lumber pad | |
| CN208909458U (en) | A kind of sofa hardware trigeminal feet with adjustable threaded post rail structure | |
| CN206491812U (en) | A kind of detachable rotating footrest for beddo |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |