CN218791370U - Tray convenient to adjust power of inclining and lying on back - Google Patents
Tray convenient to adjust power of inclining and lying on back Download PDFInfo
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- CN218791370U CN218791370U CN202223214536.2U CN202223214536U CN218791370U CN 218791370 U CN218791370 U CN 218791370U CN 202223214536 U CN202223214536 U CN 202223214536U CN 218791370 U CN218791370 U CN 218791370U
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- screw rod
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- adjusting
- rolling shaft
- sliding seat
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- 238000005096 rolling process Methods 0.000 claims abstract description 35
- 230000007246 mechanism Effects 0.000 claims abstract description 11
- 230000000149 penetrating effect Effects 0.000 claims abstract description 7
- 230000004044 response Effects 0.000 claims abstract description 4
- 230000005489 elastic deformation Effects 0.000 claims abstract description 3
- 239000000463 material Substances 0.000 claims description 2
- 229910052755 nonmetal Inorganic materials 0.000 claims description 2
- 239000007769 metal material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 238000005452 bending Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000001105 regulatory effect Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/80—Packaging reuse or recycling, e.g. of multilayer packaging
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses a tray convenient for adjusting the tilting force, which comprises a base, a seesaw and an adjusting elastic plate arranged between the base and the seesaw along the front-back direction; comprises a rolling shaft arranged below an elastic adjusting plate; the rolling shaft is abutted against the bottom end of the elastic adjusting plate; the rocker rotates relative to the base to pry and adjust the elastic plate and take the rolling shaft as a rotating fulcrum to generate elastic deformation; the control component is used for driving the rolling shaft to move; the control assembly comprises a sliding seat arranged in the base in a sliding manner, an adjusting screw rod penetrating in the sliding seat along the front-back direction and a control rod horizontally penetrating in the base from the outside of the base; the rolling shaft is rotatably arranged at the upper end of the sliding seat; the adjusting screw rod is in threaded fit with the sliding seat; a steering mechanism which enables the control rod and the adjusting screw rod to be linked is arranged between the control rod and the adjusting screw rod; the adjusting screw rod correspondingly rotates in response to the rotation of the control rod to drive the sliding seat to slide; the sliding seat moves back and forth to drive the rolling shaft to move, and the rolling shaft rolls along the elastic adjusting plate at the same time.
Description
Technical Field
The utility model relates to a thing to sit on chassis field, in particular to tray convenient to adjust power of heeling on.
Background
The seat chassis, also called swivel chair tray, is an important part arranged below the seat of the seat; the lifting of the chair seat and the inclination angle adjustment of the chair back are completed by the chassis. The current common seat chassis comprises a base, a supporting plate, a wane, a spring device and other components, wherein the wane is arranged at the rear end of the base and can rotate relative to the base, and the supporting plate is arranged at the upper end of the base; the chair seat is connected with the supporting plate, and the wane is connected with the chair back; the spring device adopts a torsion spring or a pressure spring and acts on the warping plate; when a user leans against the chair back to lean, the torsion spring or the pressure spring can provide the leaning force to enable the chair back to actively return, and the user feels comfortable.
However, the chassis of the above structure has disadvantages in that: the inclination and elevation elastic force is provided by a spring, but the elastic force of the spring cannot be adjusted; the tilting restoring force of the chair back is kept unchanged all the time, and when the chair back tilts backwards and lies, the overcoming elasticity required by users with different weights is the same; when the chair back is inclined forwards and reset, the chair back restoring forces felt by users with different weights are the same. This makes it difficult for a user with a light weight to lean on the backrest; for a user with heavy weight, the user can get up by actively exerting force; the chassis can not meet the requirement that users with different weights can feel comfortable; the inability to adjust adaptively correlates the recline spring of the seat back to the user's weight.
Aiming at the problems, in order to adapt to different leaning and leaning forces needed by people with different body types, some chassis with adjustable leaning and leaning forces appear; the utility model discloses a "power of inclining adjust chassis and base" as CN 214156772U's utility model discloses, including the drain pan, the drain pan rotates and is provided with the back of the chair frame, is provided with the elastic plate between drain pan and the back of the chair frame, is connected with the elastic component between seat frame middle part and the drain pan, and seat frame bottom is provided with the drive plate, and the drive plate is provided with the drive rack, slides in the drain pan and is provided with the regulating block, regulating block and elastic plate bottom butt, and the regulating block is provided with driven rack, is provided with the gear assembly between driven rack and the drive rack. The elastic plate is arranged in the chassis and provides the inclining force; the adjusting block is adjusted according to the weights of different users to move correspondingly, the position where the adjusting plate is abutted to the elastic plate is adjusted, so that the supporting force of the elastic plate on the chair back frame is adjusted, when a user stands up, the chair back frame drives the chair back frame to reset synchronously under the action of the elastic plate, and the leaning and leaning force of the backrest is automatically adjusted according to the weight of the user. The chassis can adjust the leaning and pitching force by adjusting the position of the adjusting block, but the position of the adjusting block is adjusted by gravity; but can not be adjusted randomly; moreover, the adjusting mechanism is arranged in the base in a centralized way, and occupies too much space of the chair seat.
Disclosure of Invention
The utility model aims to overcome the defects in the prior art and provide a tray which is convenient for adjusting the tilting force; a roller capable of moving back and forth and adjusting is arranged below the elastic adjusting plate; a control component for driving the roller to move is arranged in the base; the rolling shaft can be adjusted to move back and forth at will by directly acting on the control rod, and the adjusting screw rod and the sliding seat form a screw rod and nut structure, so that the rolling shaft can stably stay at any adjusting position; simple structure and convenient adjustment.
The technical scheme of the utility model is realized like this:
a tray convenient for adjusting the tilting force comprises a base, a rocker and an adjusting elastic plate arranged between the base and the rocker along the front-back direction; the method comprises the following steps: the rolling shaft is arranged below the elastic adjusting plate and can move back and forth for adjustment; the rolling shaft is abutted against the bottom end of the elastic adjusting plate; the rocker rotates relative to the base to pry and adjust the elastic plate and take the rolling shaft as a rotating fulcrum to generate elastic deformation; the control component is used for driving the rolling shaft to move; the control component comprises a sliding seat arranged in the base in a sliding manner, an adjusting screw rod penetrating in the sliding seat along the front-back direction and a control rod horizontally penetrating in the base from the outside of the base; the rolling shaft is rotatably arranged at the upper end of the sliding seat; the adjusting screw rod is in threaded fit with the sliding seat; a steering mechanism for linking the control rod and the adjusting screw rod is arranged between the control rod and the adjusting screw rod; the adjusting screw rod correspondingly rotates in response to the rotation of the control rod to drive the sliding seat to slide; the sliding seat moves back and forth to drive the rolling shaft to move, and the rolling shaft rolls along the elastic adjusting plate at the same time.
Preferably, the sliding seat comprises side plates which are spaced from each other at left and right, and the roller is rotatably arranged between the upper ends of the two side plates; a sliding block is arranged at the bottom end of the outer side of each side plate; sliding grooves arranged along the front and rear directions are correspondingly arranged on two sides in the base; the sliding seat is arranged in the base and enables the sliding block to be in sliding fit with the sliding groove. The sliding seat can slide back and forth along the base to drive the rolling shaft to move back and forth; and two curb plates interval sets up for the slide can not occupy the chassis inside too much.
Preferably, the bottom end of the sliding seat is provided with a screw rod matching block, two ends of the screw rod matching block are respectively connected with the side plates, and the screw rod matching block is positioned below the rolling shaft; the adjusting screw rod penetrates through the screw rod matching block along the front-back direction, and the adjusting screw rod is in threaded matching with the screw rod matching block. Make and form similar lead screw mechanism between accommodate the lead screw and the lead screw cooperation piece, then when accommodate the lead screw is rotatory, can act on the slide and slide around in the base.
Preferably, an external thread is arranged outside the adjusting screw rod; the middle position of the screw rod matching block is provided with a through hole, and an internal thread is correspondingly arranged in the through hole. The adjusting screw rod is conveniently connected and matched with the screw rod matching block.
Preferably, the steering mechanism comprises a driving gear arranged at the end part of the control rod and a driven gear correspondingly arranged at the end part of the adjusting screw rod and in toothed fit with the driving gear; the axial direction of the driving gear is perpendicular to the axial direction of the driven gear. When the action control rod rotates, the adjusting screw rod can be driven to rotate.
Preferably, the roller is made of a non-metal material. Because adjust the elastic plate and be the metal material, so the roller bearing sets up to non-metallic material, avoids both to produce the noise.
Preferably, the outer end of the control rod is provided with a control handle which is convenient for a human hand to hold.
Adopted above-mentioned technical scheme the utility model discloses a design departure point, theory and beneficial effect are:
the tray convenient for adjusting the inclining and lying force of the utility model adjusts the inclining and lying force by adjusting the front and back positions of the rolling shaft positioned below the elastic adjusting plate; the sliding seat, the adjusting screw rod and the control rod are used for realizing the movement adjustment of the rolling shaft; during adjustment, only the control rod needs to be directly rotated, so that the adjustment operation is very simple and convenient; secondly, a structure similar to a screw rod nut is formed by the adjusting screw rod and the sliding seat, so that the sliding seat can move stably and cannot shake; so that the roller can be stably moved and adjusted to any position. Furthermore, the rolling shaft is rotatably arranged at the upper end of the sliding seat, and the rolling shaft is vertically abutted with the elastic adjusting plate; when the adjusting roller relatively adjusts the elastic plate to move back and forth, the roller rolls along the adjusting elastic plate at the same time, so that the friction force between the adjusting roller and the elastic plate can be reduced, and the roller can be further moved and adjusted more smoothly.
Further, the carriage includes two spaced side plates; the roller is arranged at the upper ends of the two side plates, and the screw rod matching block is positioned below the roller and at the bottom end of the sliding seat; so that the sliding seat can not occupy too much space in the base.
Drawings
Fig. 1 is a schematic perspective view of a chassis according to an embodiment of the present invention;
fig. 2 is a schematic perspective view of the elastic support assembly disposed in the chassis assembly according to an embodiment of the present invention;
fig. 3 is a cross-sectional view of the resilient support assembly within the chassis assembly in an embodiment of the present invention;
fig. 4 is a cross-sectional view of the present invention within a chassis assembly in an embodiment;
fig. 5 is a schematic perspective view of a control assembly according to an embodiment of the present invention.
Fig. 6 is a schematic perspective view of another angle of the control assembly according to the embodiment of the present invention;
fig. 7 is a schematic perspective view of the sliding seat sliding fitted in the base according to the embodiment of the present invention;
fig. 8 is a schematic perspective view illustrating a connection between the slide base and the base according to the embodiment of the present invention.
The figures are numbered: a base 1; a pallet 2; a seesaw 3; adjusting the elastic plate 4; a first head block 4a; an auxiliary elastic plate 5; a second head block 5a; an upper connecting seat 6; a lower connecting seat 7; an upper sloping plate 8; a roller 9; a slide 10; a screw rod fitting block 10a; an adjusting screw rod 11; side plates 12; a support plate 13; a chute 14; a slider 15; a control lever 16; a control handle 16a; a drive gear 17; a driven gear 18; supporting the convex plate 19.
Detailed description of the preferred embodiments
In order to make the aforementioned objects, features and advantages of the present invention more clearly understood, the present invention will be described in further detail with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
In the description of the present invention, the term "at least one" means one or more unless explicitly defined otherwise. The terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The utility model discloses a specific embodiment as follows:
as shown in fig. 1-8, the utility model provides a tray convenient for adjusting the tilting force, the chassis comprises a base 1 for connecting a gas rod, a supporting plate 2 for connecting a chair seat and a tilting plate 3 for connecting a chair back; the rocker 3 can correspondingly rotate relative to the base 1 in response to the tilting action of the chair back. An elastic supporting component which stretches across between the base 1 and the warping plate 3 along the front-back direction is arranged in the chassis component, and the elastic supporting component comprises an adjusting elastic plate 4 and an auxiliary elastic plate 5 which are arranged in an up-down stacked mode; when the rocker 3 rotates backwards relative to the base 1, the adjusting elastic plate 4 and the auxiliary elastic plate 5 are elastically bent and deformed at the same time, so as to provide a tilting elastic force for the backrest to tilt and reset. Particularly, the adjusting elastic plate 4 and the auxiliary elastic plate 5 are mutually matched in an assisting way, so that the elastic force change of the elastic support assembly is kept relatively uniform in the whole process of the user leaning backwards.
As shown in fig. 2-4, the front end of the base 1 is provided with an upper connecting seat 6 and a lower connecting seat 7 which are arranged along the left-right direction at intervals up and down; the adjusting elastic plate 4 is positioned above the auxiliary elastic plate 5; the front end of adjusting elastic plate 4 sets up in the bottom of last connecting seat 6, and adjusts elastic plate 4 and adopts the screw fixation to link to each other with last connecting seat 6, and is equipped with the gasket between the two. The front end of the auxiliary elastic plate 5 is arranged at the bottom end of the lower connecting seat 7, the auxiliary elastic plate 5 and the lower connecting seat 7 are fixedly connected by screws, and a gasket is arranged between the auxiliary elastic plate and the lower connecting seat 7; so that the adjusting elastic plate 4 and the auxiliary elastic plate 5 are firmly connected with the base 1.
The rocker 3 is rotatably connected to the rear end of the base 1, and an inclined upper inclined plate 8 is arranged at the upper end of the rocker 3; the rear end of the elastic support component is arranged at the bottom of the upper inclined plate 8; the method specifically comprises the following steps: a first cushion block 4a protruding upwards is arranged at the rear end of the elastic adjusting plate 4, and the first cushion block 4a is movably abutted against the bottom ends of the upper and lower shifts 8; then when the relative base 1 of wane 3 rotates backward, upward sloping plate 8 will push down and act on and adjust elastic plate 4 and take place bending deformation, and first cushion 4a can the adaptive along upward sloping plate 8 and remove. The rear end of the auxiliary elastic plate 5 is also provided with a second cushion block 5a which protrudes upwards, the second cushion block 5a abuts against the bottom end of the rear part of the adjusting elastic plate 4, so that the adjusting elastic plate 4 can further act on the auxiliary elastic plate 5 to generate elastic bending deformation when being elastically bent, and the second cushion block 5a can adaptively move along the adjusting elastic plate 4 when the auxiliary elastic plate 5 is bent and deformed; so that the adjusting elastic plate 4 and the auxiliary elastic plate 5 form a linkage relationship. The adjusting elastic plate 4 and the auxiliary elastic plate 5 are both spring steel plates, so that the cost is low; and first cushion 4a and second cushion 5a are the plastics material, can avoid metal and metal direct contact, noise abatement.
The utility model discloses a focus lies in: as shown in fig. 4-8, the driving mechanism includes a roller 9 disposed below the adjusting elastic plate 4 and capable of moving forward and backward for adjustment, and the roller 9 abuts against the bottom end of the adjusting elastic plate 4. When the rocker 3 rotates backwards relative to the base 1, the elastic plate 4 is adjusted to be elastically bent and deformed by taking the rolling shaft 9 as a rotating fulcrum; and roller 9 is the non-metallic material, because adjusts elastic plate 4 and be the metal material, so roller 9 sets up to the non-metallic material, avoids both to produce the noise. A control component for driving the roller 9 to move back and forth is arranged at the front end of the base 1, and comprises a sliding seat 10 arranged at the front part of the base 1 in a sliding manner, an adjusting screw rod 11 penetrating through the sliding seat 10 along the front-back direction and a control rod 16 for driving the adjusting screw rod 11 to rotate; specifically, the method comprises the following steps: as shown in fig. 8, the sliding base 10 includes side plates 12 spaced from each other at left and right sides, and the roller 9 is rotatably disposed between upper ends of the two side plates 12; the base 1 comprises support plates 13 which are respectively positioned at two sides and are vertical, a U-shaped seat is arranged on the inner wall of each support plate 13 along the front-back direction, and a sliding groove 14 is formed in each U-shaped seat; correspondingly, a sliding block 15 is arranged at the bottom end of the outer side of each side plate 12; the sliding seat 10 is arranged in the base 1, and the sliding block 15 is slidably embedded in the sliding groove 14, so that the sliding seat 10 can slide back and forth along the base 1 to drive the rolling shaft 9 to move back and forth.
A screw rod matching block 10a is arranged at the bottom end of the sliding seat 10, and the screw rod matching block 10a is positioned below the roller 9; two ends of the screw rod matching block 10a are respectively connected with the side plates 1; the adjusting screw rod 11 penetrates through the screw rod matching block 10a along the front-back direction, and the adjusting screw rod 11 is in threaded matching with the screw rod matching block 11; the method specifically comprises the following steps: external threads are arranged outside the adjusting screw rod 11; a through hole is formed in the middle of the screw rod matching block 10a, and an internal thread is correspondingly formed in the through hole; then the adjusting screw rod 11 is conveniently connected and matched with the screw rod matching block 10a, a screw rod and nut mechanism similar to the screw rod is formed between the adjusting screw rod 11 and the sliding seat 10, and then when the adjusting screw rod 11 rotates, the sliding seat 10 can move back and forth in the base 1. As shown in fig. 1, 6 and 7, the control rod 16 horizontally penetrates through the front end of the base 1 from the outside of the base 1, and a steering mechanism is arranged between the control rod 16 and the end part of the adjusting screw rod 11; the steering mechanism comprises a driving gear 17 arranged at the end part of the control rod 16 and a driven gear 18 which is arranged at the end part of the adjusting screw rod 11 and is in toothed fit with the driving gear 17; the axial direction of the driving gear 17 is vertical to the axial direction of the driven gear 18, and then when a user acts on the control rod 16 to rotate, the adjusting screw rod 11 can be further driven to rotate, so that the sliding seat 10 is driven to move back and forth in the base 1 to adjust the front and back positions of the roller 9; the adjustment operation is very convenient; and the outer end of the control rod 16 is provided with a control handle 16a which is convenient for a user to hold, so that the adjustment operation of the user is more convenient. The roller 9 can roll in situ relative to the sliding seat 10, and the roller 9 is vertically abutted with the elastic adjusting plate 4; when the adjusting roller 9 moves back and forth relative to the adjusting elastic plate 4, the roller 9 rolls along the adjusting elastic plate 4, so that the friction force between the adjusting roller and the adjusting elastic plate can be reduced, and the roller 9 can move and adjust more smoothly.
As shown in fig. 4, an inclined supporting convex plate 19 is further provided at the front part of the base 1, and the supporting convex plate 19 is located below the lower connecting seat 7; the supporting convex plate 19 is positioned between the roller 9 and the screw rod matching block 10a and cannot interfere with the sliding seat 10; the support convex plate 19 is configured to: when the auxiliary elastic plate 5 is bent and deformed, the supporting convex plate 19 can provide rigid support for the auxiliary elastic plate 5, so that the auxiliary elastic plate 5 is stably elastically bent and deformed, and the structure is more stable; the sliding base 10 does not occupy too much space inside the base 1.
Then, the front and rear positions of the bending fulcrum can be changed when the elastic plate 4 is adjusted to be bent and deformed by adjusting the front and rear positions of the rolling shaft 9; the elasticity provided by the elastic plate 4 during bending deformation can be adjusted and adjusted to match users with different weights; specifically, the method comprises the following steps: when the adjusting roller 9 is close to the front end of the base 1, the rotating fulcrum when the elastic plate 4 is adjusted to deform is close to the front end of the base 1; at this time, the elastic plate 4 can be adjusted to be elastically deformed easily, and then when a user with light weight leans against the chair back to lean backwards, the elastic force of the elastic support plate 3 to be overcome is small, so that the user can naturally lean backwards. For a user with a heavy weight, the roller 9 is only required to be adjusted to move towards the rear end of the base 1, so that a larger acting force is required to be applied when the elastic plate 4 is adjusted to be elastically bent by taking the roller 9 as a fulcrum, namely, the elastic plate 4 can provide a larger inclining and bending elastic force; when a user with heavy weight leans against the chair back to lean backwards, the elastic support plates 3 can correspondingly provide larger leaning and leaning restoring force, so that the user can naturally recover to get up after leaning backwards. And the front and back positions of the roller 9 are adjusted through the sliding seat 10 and the adjusting screw rod 11, so that the roller 9 can be stably stopped at any adjusting position, and a user feels comfortable when sitting.
Claims (7)
1. A tray convenient for adjusting the tilting force comprises a base, a rocker and an adjusting elastic plate arranged between the base and the rocker along the front-back direction; it is characterized by comprising the following steps:
the rolling shaft is arranged below the elastic adjusting plate and can move back and forth for adjustment; the rolling shaft is abutted against the bottom end of the elastic adjusting plate; the seesaw rotates relative to the base to pry and adjust the elastic plate to generate elastic deformation by taking the rolling shaft as a rotating fulcrum;
the control component is used for driving the rolling shaft to move; the control assembly comprises a sliding seat arranged in the base in a sliding manner, an adjusting screw rod penetrating in the sliding seat along the front-back direction and a control rod horizontally penetrating in the base from the outside of the base; the rolling shaft is rotatably arranged at the upper end of the sliding seat; the adjusting screw rod is in threaded fit with the sliding seat; a steering mechanism for linking the control rod and the adjusting screw rod is arranged between the control rod and the adjusting screw rod;
the adjusting screw rod correspondingly rotates in response to the rotation of the control rod to drive the sliding seat to slide; the sliding seat moves back and forth to drive the rolling shaft to move, and the rolling shaft rolls along the elastic adjusting plate at the same time.
2. The tray for facilitating adjustment of reclining force of claim 1, wherein: the sliding seat comprises side plates which are spaced from each other at left and right, and the rolling shaft is rotatably arranged between the upper ends of the two side plates; a sliding block is arranged at the bottom end of the outer side of each side plate; sliding grooves arranged along the front and rear directions are correspondingly arranged on two sides in the base; the sliding seat is arranged in the base and enables the sliding block to be in sliding fit with the sliding groove.
3. The tray for facilitating adjustment of a tipping force of claim 2, wherein: the bottom end of the sliding seat is provided with a screw rod matching block, two ends of the screw rod matching block are respectively connected with the side plates, and the screw rod matching block is positioned below the rolling shaft; the adjusting screw rod penetrates through the screw rod matching block along the front-back direction, and the adjusting screw rod is in threaded fit with the screw rod matching block.
4. The tray for facilitating adjustment of reclining force of claim 3, wherein: external threads are arranged outside the adjusting screw rod; the middle position of the screw rod matching block is provided with a through hole, and an internal thread is correspondingly arranged in the through hole.
5. The tray for facilitating adjustment of a tipping force of claim 1, wherein: the steering mechanism comprises a driving gear arranged at the end part of the control rod and a driven gear correspondingly arranged at the end part of the adjusting screw rod and in tooth joint fit with the driving gear; the axial direction of the driving gear is perpendicular to the axial direction of the driven gear.
6. The tray for facilitating adjustment of reclining force of claim 1, wherein: the rolling shaft is made of nonmetal materials.
7. The tray for facilitating adjustment of reclining force of claim 1, wherein: the outer end of the control rod is provided with a control handle which is convenient for a human hand to hold.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223214536.2U CN218791370U (en) | 2022-11-30 | 2022-11-30 | Tray convenient to adjust power of inclining and lying on back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223214536.2U CN218791370U (en) | 2022-11-30 | 2022-11-30 | Tray convenient to adjust power of inclining and lying on back |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218791370U true CN218791370U (en) | 2023-04-07 |
Family
ID=87254012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223214536.2U Active CN218791370U (en) | 2022-11-30 | 2022-11-30 | Tray convenient to adjust power of inclining and lying on back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218791370U (en) |
-
2022
- 2022-11-30 CN CN202223214536.2U patent/CN218791370U/en active Active
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Address after: 313300 Factory Building No. 3, Sunshine Industrial Functional Zone, Dipu Street, Anji County, Huzhou City, Zhejiang Province (self declared) Patentee after: Zhejiang Qinggu Furniture Technology Co.,Ltd. Country or region after: China Address before: 313300 Floor 1, Building 1, east of the small and medium-sized enterprise settlement in Kangshan Village, Dipu Street, Anji County, Huzhou City, Zhejiang Province Patentee before: Zhejiang Qinggu Trade Technology Co.,Ltd. Country or region before: China |