CN202588948U - Chair tray with adjustable chair back angle - Google Patents
Chair tray with adjustable chair back angle Download PDFInfo
- Publication number
- CN202588948U CN202588948U CN 201220218798 CN201220218798U CN202588948U CN 202588948 U CN202588948 U CN 202588948U CN 201220218798 CN201220218798 CN 201220218798 CN 201220218798 U CN201220218798 U CN 201220218798U CN 202588948 U CN202588948 U CN 202588948U
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- pallet
- game
- chair
- mid
- reclining
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Abstract
The utility model relates to a chair tray with an adjustable chair back angle. The chair tray overcomes the defect of complex structure caused by changing the chair back angle through a separate driving mechanism in the prior art. The chair tray comprises a big tray plate and a medium tray plate which are hinged with each other; a built-in spring mechanism is hinged on the big tray plate; a turnover cover for connecting a chair back is connected between the big tray plate and the medium tray plate; an oval hole is formed in the middle of the turnover cover; the oval hole is connected to two sides of the big tray plate through a connecting rod; and one end of the turnover cover is hinged to two sides of the medium tray plate. One end of the turnover cover is hinged on the groove wall of the medium tray plate, the other end of the turnover cover is hinged on the big tray plate, and an oval hole structure is adopted at a position where the turnover cover is hinged with the big tray plate, so that follow-up tipping can be produced when the big tray plate tips relative to the medium tray plate.
Description
Technical field
The utility model relates to a kind of chair tray, especially a kind of chair trays that can change the regulating chair dorsal horn degree of chair back angle with chassis reclining angle difference.
Background technology
At present, the chair push-plate that has seat elevating function, a seat reclining function generally includes the pallet mid-game that is used for being connected with air pressure rod, renovating and the pallet deep bid that is used for being connected with seat of being used for being connected with the chair back.
The angle of the general chair back is non-adjustable, renovate with the pallet mid-game be stationary structure, renovate and can not change angle.Can change angle even renovate, but need independent driving mechanism to realize, structure is complicated more.
Pallet deep bid and pallet mid-game are hinged, and hinged position is equipped with torsion spring, and the elastic force between pallet deep bid and the pallet mid-game is realized through torsion spring.Torsion spring is after the process use of certain number of times, and its torsion can change, nor can regulate this torsion spring, therefore can't regulate the elastic force between pallet deep bid and the pallet mid-game.Spring in the past is adjusted in the outside of pallet, and this realizes inner adjusting through complicated mechanism.
Summary of the invention
It is external that the utility model has solved in the prior art elastic force governor motion; Use inconvenient defective; A kind of chair tray of regulating chair dorsal horn degree is provided, can realizes that through a cover mechanism spring is built-in, and easy to adjust; Use comfortablely, connecting renovating of the chair back can adjust the angle of inclination automatically along with the reclining angle between pallet deep bid and the pallet mid-game changes.
The utility model has solved that the reclining elastic force between the pallet chassis and pallet mid-game is directly provided by stage clip in the prior art; Cause when using inconvenient easily; And elastic force is regulated more stiff, and a kind of chair tray of regulating chair dorsal horn degree is provided, and the reclining elastic force between pallet deep bid and the pallet mid-game is provided by spring; And can come the elastic force of regulating spring, thereby regulate the reclining elastic force between pallet deep bid and the pallet mid-game through the reduction length of worm and gear side regulating spring.
The utility model solves the technical scheme that its technical problem adopted: a kind of chair tray of regulating chair dorsal horn degree; Comprise the pallet deep bid and the pallet mid-game that are hinged; Be hinged with built-in spring mechanism on the pallet deep bid, also be connected with between pallet deep bid and the pallet mid-game and be used to be connected renovating of the chair back, the middle part of renovating is provided with the oval hole; The oval hole is connected to the both sides of pallet deep bid through connecting rod, and an end of renovating is hinged to the both sides of pallet mid-game.The middle part of renovating is connected with the pallet deep bid; One end and the pallet mid-game of renovating are hinged; The pallet deep bid drives to renovate when pallet mid-game generation reclining and rotates around hinged position simultaneously, and the position that is connected with the pallet deep bid is the oval hole, this oval hole make renovate and the pallet deep bid between can produce relative slip; Can not hinder the rotation of pallet deep bid, renovate with the reclining simultaneously of pallet deep bid and realize servo-actuated; Also can replace connecting rod, be connected separately with the both sides of pallet deep bid such as the oval hole of renovating with miscellaneous part.
As preferably, an end of spring mechanism contacts the inside of pallet mid-game; Spring mechanism comprises T shape support, is nested with the spring on the vertical parts of support and is screwed onto the end of the vertical parts of support and the turbine of holddown spring; Pallet mid-game set inside has the worm screw that is meshed with turbine, is connected with on the worm screw to extend to the outside elastic force regulating handle of pallet mid-game.Spring mechanism provides the elastic force of seat reclining, is convenient to regulate elastic force through the length of regulating spring; Drive worm screw through the elastic force regulating handle, the worm screw rotation, the rotation of drive turbine, turbine rotates the position that changes on T shape support, thus compression spring or retracting spring, the length of change spring realizes the elastic force adjusting.
As preferably, the pallet mid-game is flute profile, and two cell walls are provided with hinge hole, also are provided with arcuate socket on the cell wall; The pallet deep bid is flute profile, is connected with tube connector and rotating shaft between two cell walls, and tube connector penetrates into the interior two ends of cross member of support and fixed by screw, and the two ends of cross member are in the arcuate socket, and the two ends of rotating shaft are fixed in the hinge hole.The center of arcuate socket is in the center of hinge hole, and arcuate socket is convenient to T shape support and is rotated around the center of hinge hole, thereby regulates the reclining angle between pallet deep bid and the pallet mid-game.
As preferably; Be fixed with reclining on the pallet deep bid and regulate parts; The end that parts are regulated in reclining is provided with some draw-in grooves, is provided with locking mechanism in the pallet mid-game, and locking mechanism comprises with reclining regulates the chuck that parts match; Chuck is connected with driving mechanism, and this driving mechanism is connected with and extends to the outside reclining regulating handle of pallet mid-game.Reclining is regulated parts along with the pallet deep bid relative to rotating of pallet mid-game, and chuck matches with different draw-in grooves, just the pallet deep bid is fixed to suitable position, realizes the locking of pallet deep bid; Chuck and draw-in groove are separated, and just can realize release, and locking is to realize through locking mechanism with release.
As preferably, chuck is provided with two slotted holes; Driving mechanism comprises clamp, connecting axle, connecting rod, rotating disk and the turning cylinder that is hinged with chuck, is fixed with two card posts on the clamp, and the card post penetrates in the slotted hole; Be fixed with linking arm on the clamp, linking arm is connected with connecting axle through torsion spring, torsion spring is nested with on connecting axle, connecting axle is fixed with the transfer part; The transfer part links to each other with an end of connecting rod; The other end of connecting rod links to each other with rotating disk, and an end of turning cylinder is a flat, and this flat is inserted in the rotating disk; The other end of turning cylinder also is a flat, and this flat is inserted in the reclining regulating handle.
As preferably, support comprises T shape head, is plugged in the intermediate bar of the TOE in the vertical parts of T shape head; Turbine is placed on this end of thread of intermediate bar, and turbine one end is fixed by nut, and the other end of turbine is through pad and pullover and spring compression; The end of intermediate bar is bolted with the top, comes directly towards elongatedly, and the top has an arc limit that connects with pallet mid-game inside.Intermediate bar and T shape head position connected structure make things convenient for occurrence positions variation between intermediate bar and the T shape head; Turbine is placed on middle end and is fixed by nut; This end is fixed with the top again, withstands the pallet mid-game, and turbine rotates and moves axially along intermediate bar relative to intermediate bar; Make the distance between turbine and the top change; Thereby compression spring or retracting spring, under the elastic force effect of spring slide along the arcuate socket on the pallet mid-game cell wall in the two ends of a T shape cross member, thereby change the reclining angle of pallet deep bid.
As preferably, it is laminated structure that parts are regulated in reclining, and reclining is regulated parts and fixed through support and rotating shaft and pallet deep bid, and the cross member of the T shape head of support passes through to reclining adjusting parts, and reclining adjusting parts are passed in rotating shaft.Support is used for being connected reclining with rotating shaft and regulates parts, makes reclining regulate parts and pallet deep bid realization rotation synchronously.
As preferably, the elastic force regulating handle comprises and is arranged on the gear that the inner collar of pallet mid-game and screw connect that gear connects rotating casing, rotating casing end fixed handle through hexagonal tube; Be fixed with the travelling gear that is meshed with gear on the worm screw.Hexagonal tube can transmit rotatory force and give gear, and gear and travelling gear engagement are used for driving the worm screw rotation, and worm screw drives turbine rotation, realizes elasticity adjusting.
As preferably, be provided with the up-down regulating arm in the pallet mid-game, the up-down regulating arm is hinged through bearing pin and worm screw, and the end of up-down regulating arm is connected with lifting handle, and it is outside that lifting handle reaches the pallet mid-game; Bearing pin is coaxial with worm screw.The up-down regulating arm is hinged in the pallet mid-game through bearing pin; One end links to each other with lifting handle, rotates lifting handle rising-falling tone joint arm is rotated around bearing pin, and the other end of up-down regulating arm can swing up and down; Thereby realize inflation of seat gas rod and venting, accomplish.
The beneficial effect of the utility model is: an end of renovating is hinged on the cell wall of pallet mid-game; The other end is hinged on the pallet deep bid; Adopt the oval pore structure with the position that the pallet deep bid is hinged, can produce the servo-actuated reclining when making the relative pallet mid-game of pallet deep bid reclining; Spring mechanism provides the elastic force of seat reclining, is convenient to regulate elastic force through the length of regulating spring; The turbine in the elastic force governor motion and the intermediate bar of support are spirally connected, and rotary turbine just can change the distance between top and the support cross member, thereby change the length of spring, realize the elastic force adjusting.
Description of drawings
Fig. 1 is a kind of structural representation of the utility model;
Fig. 2 is a kind of vertical view of the utility model;
Fig. 3 is a kind of cutaway view of the utility model;
Fig. 4 is a kind of structure separation graph of the utility model;
Fig. 5 is a kind of blast structural representation of the utility model;
Fig. 6 is the structural representation of a kind of support of the utility model;
Among the figure: 1, pallet deep bid, 2, guard shield, 3, the reclining regulating handle, 4, the pallet mid-game, 5, loam cake, 6, the elastic force regulating handle, 7, lifting handle; 8, support, 9, rotating shaft, 10, spring, 11, gear, 12, turbine, 13, travelling gear, 14, reclining regulates parts; 15, arcuate socket, 16, hinge hole, 17, tube connector, 18, handle, 19, T shape head, 20, intermediate bar, 21, the top; 22, draw-in groove, 23, collar, 24, screw, 25, worm screw, 26, bearing pin, 27, the up-down regulating arm, 28, hexagonal tube; 29, card post, 30, chuck, 31, clamp, 32, turning cylinder, 33, rotating disk, 34, connecting rod, 35, connecting axle; 36, transfer part, 37, torsion spring, 38, linking arm, 39, rotating casing, 40, pad, 41, pullover, 42, nut; 43, renovate 44, multidiameter, 45, axis hole, 47, connecting rod, 48, shoulder hole, 49, curved boom.
The specific embodiment
Pass through specific embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.
Embodiment: a kind of chair tray of regulating chair dorsal horn degree (referring to accompanying drawing 1 accompanying drawing 2 accompanying drawings 3 accompanying drawings 4); Comprise the pallet deep bid 1 and pallet mid-game 4 that are hinged; Pallet deep bid and pallet mid-game are bathtub construction; The pallet deep bid is buckled in outside the pallet mid-game, and the notch position of pallet mid-game is provided with cover encloses.Be connected with between pallet deep bid and the pallet mid-game be used to connect the chair back renovate 43, renovate along with the reclining of pallet deep bid and change the reclining angle automatically.
Renovate and be bathtub construction (referring to accompanying drawing 5), the flute profile make-up of flute profile of renovating and pallet deep bid is renovated in the flute profile that is in the pallet deep bid.The middle cell wall of renovating is provided with oval hole 46, and the cell wall of corresponding pallet deep bid is provided with axis hole 45, and the two ends of connecting rod 47 are passed the axis hole of the oval hole of renovating and pallet deep bid and are screwed, and connecting rod can slide along the oval hole.An end of renovating reaches the outside of pallet deep bid, and the other end of renovating is bent to form curved boom 49, and the direction of curved boom bending is towards the direction of pallet mid-game.Place, the end of curved boom is provided with circular hole, and two cell walls of pallet mid-game are provided with shoulder hole 48, is connected through multidiameter 44 between circular hole and the shoulder hole, renovates and can rotate around multidiameter.
Position near bottom land on two cell walls of pallet mid-game is provided with hinge hole 16 (referring to accompanying drawing 5), and submarginal position also is provided with arcuate socket 15 on the cell wall, and the center of arcuate socket is the center of hinge hole.The cell wall of pallet deep bid is provided with and arcuate socket and the corresponding fixing hole of hinge hole, and the pallet deep bid is connected with rotating shaft 9 through tube connector 17 with the pallet mid-game.Tube connector passes arcuate socket, and the two ends of rotating shaft are hinged in the hinge hole, and the cell wall external stability of pallet deep bid has guard shield 2.Tube connector and rotating shaft are passed reclining jointly and are regulated parts 14, and it is laminated structure that parts are regulated in reclining, and reclining adjusting parts and pallet deep bid do not fix and can produce relative motion.The end that parts are regulated in reclining is provided with three road draw-in grooves 22, is provided with locking mechanism in the pallet mid-game.Locking mechanism comprises with reclining regulates the chuck 30 that parts match, and is fixed with vertical column on the chuck, and chuck is provided with two slotted holes, and the edge of chuck is provided with the protuberance that matches with draw-in groove.Chuck is connected with driving mechanism, and this driving mechanism is connected with and extends to the outside reclining regulating handle 3 of pallet mid-game.Driving mechanism comprises clamp 31, connecting axle 35, connecting rod 34, rotating disk 33 and the turning cylinder 32 that is hinged through column with chuck, is fixed with two card posts 29 on the clamp, and the card post penetrates in the slotted hole; Be fixed with linking arm 38 on the clamp, linking arm is connected with connecting axle through torsion spring 37, torsion spring is nested with on connecting axle, the end of linking arm is provided with circular hole; The end of a pin of torsion spring is inserted in the circular hole, is fixed with transfer part 36 on the connecting axle, and the transfer part is provided with two circular holes; A circular hole on the transfer part links to each other with an end of connecting rod, and another circular hole is connected with another pin of torsion spring, and the other end of connecting rod links to each other with rotating disk; One end of turning cylinder is a flat; This flat is inserted in the rotating disk, and the other end of turning cylinder also is a flat, and this flat is inserted in the reclining regulating handle 3.The pallet deep bid rotates around rotating shaft, and tube connector slides in arcuate socket, and reclining is regulated parts and swung thereupon, rotates reclining regulating handle drive chuck and rotates, and the protuberance of chuck can be inserted in the draw-in groove or break away from draw-in groove accomplishes locking of pallet deep bid and release.
Be provided with built-in spring mechanism between pallet deep bid and the pallet mid-game, spring mechanism comprises T shape support 8 (referring to accompanying drawing 6), spring 10 and comes directly towards 21.Support comprises T shape 19, is plugged in the intermediate bar 20 of the TOE in the vertical parts of T shape head; Spring is nested with outside the vertical parts and intermediate bar of T shape head; The end of thread of intermediate bar is equipped with turbine 12; Be provided with pad 40 between turbine and the spring with pullover 41, the other end of turbine connects through nut 42.The top is fixed on the end of the end of thread of intermediate bar, the top strip, the top has the arc limit that connects with pallet mid-game inside.The cross member of T shape head penetrates in the tube connector and the cell wall of pallet deep bid is hinged, and the top connects with the inwall of the bottom land of pallet mid-game.Pallet mid-game set inside has the worm screw 25 that is meshed with turbine, is fixed with travelling gear 13 on the worm screw, is connected with through travelling gear and extends to the outside elastic force regulating handle 6 of pallet mid-game.
The elastic force regulating handle comprises and is arranged on the gear 11 that pallet mid-game inside is connected by collar 23 that gear connects rotating casings 39, rotating casing end fixed handle 18 through hexagonal tube 28.Gear is meshed with travelling gear, turning handle, thus can drive worm screw rotation drive turbine rotation, the elastic force of compression of realization spring and release and change spring is finally realized the elastic force adjusting.
Be provided with up-down regulating arm 27 in the pallet mid-game, the up-down regulating arm is hinged through bearing pin 26 and worm screw, and bearing pin is coaxial with worm screw, and the end of bearing pin is fixed by screw, and the end of up-down regulating arm is connected with lifting handle 7, and it is outside that lifting handle reaches the pallet mid-game.Rotate lifting handle rising-falling tone joint arm is rotated around bearing pin, the other end of up-down regulating arm can swing up and down, thereby realizes inflation of seat gas rod and venting, accomplishes.
Above-described embodiment is a kind of preferred version of the utility model, is not the utility model is done any pro forma restriction, under the prerequisite that does not exceed the technical scheme that claim puts down in writing, also has other variant and remodeling.
Claims (9)
1. the chair tray of a regulating chair dorsal horn degree; Comprise the pallet deep bid and the pallet mid-game that are hinged; Be hinged with built-in spring mechanism on the pallet deep bid, be characterised in that also to be connected with between pallet deep bid and the pallet mid-game to be used to be connected renovating of the chair back, the middle part of renovating is provided with the oval hole; The oval hole is connected to the both sides of pallet deep bid through connecting rod, and an end of renovating is hinged to the both sides of pallet mid-game.
2. the chair tray of regulating chair dorsal horn degree according to claim 1 is characterized in that an end of spring mechanism contacts the inside of pallet mid-game; Spring mechanism comprises T shape support, is nested with the spring on the vertical parts of support and is screwed onto the end of the vertical parts of support and the turbine of holddown spring; Pallet mid-game set inside has the worm screw that is meshed with turbine, is connected with on the worm screw to extend to the outside elastic force regulating handle of pallet mid-game.
3. the chair tray of regulating chair dorsal horn degree according to claim 1 is characterized in that the pallet mid-game is flute profile, and two cell walls are provided with hinge hole, also are provided with arcuate socket on the cell wall; The pallet deep bid is flute profile, is connected with tube connector and rotating shaft between two cell walls, and tube connector penetrates into the interior two ends of cross member of support and fixed by screw, and the two ends of cross member are in the arcuate socket, and the two ends of rotating shaft are fixed in the hinge hole.
4. the chair tray of regulating chair dorsal horn degree according to claim 1; It is characterized in that being fixed with on the pallet deep bid reclining and regulate parts; The end that parts are regulated in reclining is provided with some draw-in grooves, is provided with locking mechanism in the pallet mid-game, and locking mechanism comprises with reclining regulates the chuck that parts match; Chuck is connected with driving mechanism, and this driving mechanism is connected with and extends to the outside reclining regulating handle of pallet mid-game.
5. the chair tray of regulating chair dorsal horn degree according to claim 3 is characterized in that chuck is provided with two slotted holes; Driving mechanism comprises clamp, connecting axle, connecting rod, rotating disk and the turning cylinder that is hinged with chuck, is fixed with two card posts on the clamp, and the card post penetrates in the slotted hole; Be fixed with linking arm on the clamp, linking arm is connected with connecting axle through torsion spring, torsion spring is nested with on connecting axle, connecting axle is fixed with the transfer part; The transfer part links to each other with an end of connecting rod; The other end of connecting rod links to each other with rotating disk, and an end of turning cylinder is a flat, and this flat is inserted in the rotating disk; The other end of turning cylinder also is a flat, and this flat is inserted in the reclining regulating handle.
6. according to claim 1 or 2 or the chair tray of 3 or 4 or 5 described regulating chair dorsal horn degree, it is characterized in that support comprises T shape head, is plugged in the intermediate bar of the TOE in the vertical parts of T shape head; Turbine is placed on this end of thread of intermediate bar, and turbine one end is fixed by nut, and the other end of turbine is through pad and pullover and spring compression; The end of intermediate bar is bolted with the top, comes directly towards elongatedly, and the top has an arc limit that connects with pallet mid-game inside.
7. the chair tray of regulating chair dorsal horn degree according to claim 6; It is characterized in that it is laminated structure that parts are regulated in reclining; Reclining is regulated parts and is fixed through support and rotating shaft and pallet deep bid; The cross member of the T shape head of support passes through to reclining and regulates parts, and rotating shaft is passed reclining and regulated parts.
8. according to claim 1 or 2 or the chair tray of 3 or 4 or 5 described regulating chair dorsal horn degree; It is characterized in that the elastic force regulating handle comprises is arranged on the gear that pallet mid-game inside is connected by collar and screw; Gear connects rotating casing, rotating casing end fixed handle through hexagonal tube; Be fixed with the travelling gear that is meshed with gear on the worm screw.
9. according to claim 1 or 2 or the chair tray of 3 or 4 or 5 described regulating chair dorsal horn degree; It is characterized in that being provided with in the pallet mid-game up-down regulating arm; The up-down regulating arm is hinged through bearing pin and worm screw; The end of up-down regulating arm is connected with lifting handle, and it is outside that lifting handle reaches the pallet mid-game; Bearing pin is coaxial with worm screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218798 CN202588948U (en) | 2012-05-16 | 2012-05-16 | Chair tray with adjustable chair back angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220218798 CN202588948U (en) | 2012-05-16 | 2012-05-16 | Chair tray with adjustable chair back angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202588948U true CN202588948U (en) | 2012-12-12 |
Family
ID=47306542
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220218798 Expired - Fee Related CN202588948U (en) | 2012-05-16 | 2012-05-16 | Chair tray with adjustable chair back angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202588948U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476315A (en) * | 2015-12-15 | 2016-04-13 | 浙江安吉祥泰家具有限公司 | Improved chair tray |
-
2012
- 2012-05-16 CN CN 201220218798 patent/CN202588948U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105476315A (en) * | 2015-12-15 | 2016-04-13 | 浙江安吉祥泰家具有限公司 | Improved chair tray |
| CN105476315B (en) * | 2015-12-15 | 2018-03-23 | 浙江安吉祥泰家具有限公司 | A kind of improved chair tray |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121212 Termination date: 20140516 |