WO2019166024A1

WO2019166024A1 - Support frame, and chair using same

Info

Publication number: WO2019166024A1
Application number: PCT/CN2019/077016
Authority: WO
Inventors: 田西岳
Original assignee: 田西岳
Priority date: 2018-01-10
Filing date: 2019-03-05
Publication date: 2019-09-06
Also published as: CN208863884U; CN108185706A

Abstract

A support frame, and a chair (50) using the same. The support frame comprises a support board (10) and a fastening component (20). The fastening component (20) is disposed at a bottom portion of the support board (10), and is used to detachably dispose the support board (10) at armrest portions on a left and right side of the chair (50). A front end of the support board (10) is provided with transverse arrangement portions (10a). The support board (10) comprises a left support board (11) and a right support board (12) disposed at the left and right side of the chair (50), respectively. The transverse arrangement portions (10a) of the left support board (11) and the right support board (12) extend from the left and right sides of the chair (50) toward the middle, and are transversely disposed in front of a user, such that the user can naturally stretch their left and right arms in front of their body and place their arms above the transverse arrangement portions (10a) to perform an operation. The support board (10) is transversely arranged in front of and adjacent to the user, so as to enable the user to reach two split keyboards by naturally stretching their arms, such that a user does not need to bend forward when performing an operation, thereby providing lumbar support for the user, and eliminating fatigue due to prolonged use of the keyboards for work or entertainment.

Description

一种托架及其椅子Bracket and its chair

技术领域Technical field

本发明涉及桌椅技术领域，尤其是涉及一种带有左右两个拖板的托架及其椅子。The invention relates to the technical field of tables and chairs, in particular to a bracket with two left and right carriages and a chair thereof.

背景技术Background technique

目前的椅子结构简单，虽然有靠背供人使用，但在工作或者娱乐过程中，大部分时间人的身体前倾，脊背脱离椅子靠背，长时间保持该姿势工作，更容易导致人们疲惫。The current chair has a simple structure. Although there is a backrest for people to use, during the work or entertainment process, most of the time, the person's body leans forward, and the back of the back is separated from the back of the chair, and the posture is maintained for a long time, which is more likely to cause people to be exhausted.

发明内容Summary of the invention

本发明的目的在于提供一种托架及其椅子，以解决现有技术中存在的人们坐在椅子上容易身体前倾脱离靠背而导致身体疲惫的技术问题。SUMMARY OF THE INVENTION It is an object of the present invention to provide a bracket and a chair thereof to solve the technical problem in the prior art that people sitting on a chair can easily lean forward from the backrest to cause physical exhaustion.

为解决上述技术问题，本发明提供的一种托架，其包括托板以及固定部件；In order to solve the above technical problem, the present invention provides a bracket including a pallet and a fixing component;

所述固定部件设置在所述托板底部，用于将所述托板设置在椅子的左右两侧的扶手部位；The fixing member is disposed at a bottom of the pallet for positioning the pallet on an armrest portion of left and right sides of the chair;

所述托板的前端设置有横置部(即托板前端向内侧凸出设置，或者托板前端向椅子内侧凸出设置)；The front end of the pallet is provided with a transverse portion (ie, the front end of the pallet protrudes inwardly, or the front end of the pallet protrudes toward the inner side of the chair);

所述托板包括用于分别设置在椅子左右两侧的左托板和右托板；The pallet includes a left pallet and a right pallet respectively disposed on the left and right sides of the chair;

在使用状态下，所述左托板和右托板的横置部分别从椅子的左右两侧向中间(即人胸前方或者身前)伸展并横置在人的身体前侧，以便于人的左右两手自然伸出到身体前方并置于所述横置部的上方进行操作。In the state of use, the transverse portions of the left and right pallets extend from the left and right sides of the chair to the middle (ie, in front of the chest or in front of the body) and are laterally placed on the front side of the human body, so as to facilitate The left and right hands of the person naturally extend to the front of the body and are placed above the transverse portion for operation.

本发明公开的一种托架，主要用于分体键盘的使用，分体键盘可以分别放置在左托板和右托板上，托板横置在人的身前且更加贴靠身体，人的手臂自然伸出可触碰到两个分体键盘上，不需要人体向前倾斜既可以操作，人体脊背得到支撑，用户长期工作或者娱乐不会感觉疲惫。The bracket disclosed by the invention is mainly used for the use of the split keyboard, and the split keyboard can be respectively placed on the left pallet and the right pallet, and the pallet is placed horizontally in front of the person and is more closely attached to the body. The arm naturally extends out to touch two separate keyboards. It does not require the human body to tilt forward to operate, and the back of the human body is supported. The user does not feel tired when working or playing for a long time.

进一步地，所述左托板和所述右托板分别可活动地设置在各自对应的所述固定部件上，用于所述横置部从椅子的中间退出以便于人坐进或者离开椅子。Further, the left tray and the right tray are respectively movably disposed on the respective corresponding fixing members for the lateral portion to be withdrawn from the middle of the chair to facilitate the person to sit in or out of the chair.

进一步地，所述托板整体大体呈L型，托板还包括纵置部，所述横置部可向椅子外侧翻转地设置在所述纵置部的前端，所述横置部翻转后从椅子的中间退出以便于人坐进或者离开椅子。Further, the pallet is generally L-shaped as a whole, and the pallet further comprises a longitudinal portion, wherein the transverse portion is disposed at an outer front of the longitudinal portion of the chair, and the transverse portion is inverted The middle of the chair exits so that people can sit in or out of the chair.

纵置部可以用于承托人体的前臂，前臂自然垂下放置在纵置部上，手部放置在横置部的上方，便于操作鼠标或者键盘。The longitudinal portion can be used to support the forearm of the human body, the forearm is naturally placed down on the longitudinal portion, and the hand is placed above the transverse portion for easy operation of the mouse or keyboard.

进一步地，所述固定部件包括基础连接件，所述托板的后端通过枢接轴可左右摆动地枢接在所述基础连接件上；Further, the fixing component includes a base connector, and a rear end of the pallet is pivotally connected to the base connector by a pivot shaft;

或者，所述托板的外侧边缘通过铰接轴铰连接在所述基础连接件上，铰接轴与所述托板平行，托板可向椅子两侧翻转设置；Alternatively, the outer edge of the pallet is hingedly connected to the base connector by a hinge shaft, and the hinge shaft is parallel to the pallet, and the pallet can be turned over to both sides of the chair;

或者，所述托板通过限位导向机构可平移地设置在所述基础连接件上；Or the tray is translatably disposed on the base connector by a limit guiding mechanism;

其中，限位导向机构形式很多，例如滑轨、相互配合直线型或弧形导向槽和滑块，或者导轨和卡槽等。Among them, the limit guiding mechanism has many forms, such as a sliding rail, a matching linear or curved guiding groove and a slider, or a guide rail and a card slot.

或者，所述托板可快速拆卸地设置在所述基础连接件上。Alternatively, the pallet can be quickly disassembled on the base connector.

其中，快速拆卸方式很多，例如快拆螺钉、卡头卡槽等榫卯结构等。Among them, there are many quick disassembly methods, such as quick-release screws, chucks, and the like.

通过上述等方案可实现托板的可活动设置，进而使得横置部可从椅子的中间退出以便于人坐进或者离开椅子。The movable arrangement of the pallet can be achieved by the above-described schemes, so that the transverse portion can be withdrawn from the middle of the chair to facilitate the person to sit in or out of the chair.

基础连接件形式很多，其包括基板或者基架等。The basic connector has many forms, including a substrate or a pedestal.

进一步地，还包括设置在所述基础连接件和椅子扶手之间的中间过渡件；Further, an intermediate transition member disposed between the base connector and the armrest of the chair is further included;

所述中间过渡件上设置有至少一组用于与所述基础连接件连接的第一连接孔，和至少一组用于与椅子扶手连接的第二连接孔；The intermediate transition piece is provided with at least one set of first connecting holes for connecting with the base connecting piece, and at least one set of second connecting holes for connecting with the armrest of the chair;

所述第二连接孔和所述第一连接孔的中心轴线非平行设置，以用于将基础连接件过渡连接在椅子扶手上。The central axes of the second connecting holes and the first connecting holes are non-parallel for connecting the base connecting member to the armrest of the chair.

其中优选地，中间过渡件整体呈楔形，以用于调整所述托板的俯仰角度。第二连接孔和第一连接孔呈矩阵式布设，以便于适配于不同的规格的扶手，以及通过调节楔入深度调节托板的俯仰角度。Preferably, the intermediate transition piece is generally wedge-shaped for adjusting the pitch angle of the pallet. The second connecting hole and the first connecting hole are arranged in a matrix to facilitate fitting to different specifications of the armrest, and adjusting the pitch angle of the pallet by adjusting the wedging depth.

进一步地，所述中间过渡件底面和/或者顶面设置有用于与椅子扶手卡接的凹槽。Further, the bottom surface and/or the top surface of the intermediate transition piece are provided with a groove for engaging with the armrest of the chair.

进一步地，所述中间过渡件底面和/或者顶面设置有橡胶层。Further, a bottom surface and/or a top surface of the intermediate transition piece is provided with a rubber layer.

进一步地，所述中间过渡件横截面前端为向下弯折的弧形，以适配于扶手的圆弧型前端。Further, the front end of the cross section of the intermediate transition piece is curved downwardly to fit the arc-shaped front end of the armrest.

进一步地，所述基础连接件上设置有用于将固定部件固定在椅子两侧的连接结构。Further, the base connector is provided with a connection structure for fixing the fixing member to both sides of the chair.

进一步地，所述连接结构包括若干个压板，压板通过螺栓螺母与基础连接件连接，所述基础连接件和所述压板分别从上方和下方夹持住椅子的扶手，进而将所述基础连接件固定在椅子的扶手上。Further, the connecting structure comprises a plurality of pressing plates, and the pressing plate is connected to the basic connecting member by bolts and nuts, and the base connecting member and the pressing plate respectively hold the armrests of the chair from above and below, and then the basic connecting members are further It is fixed on the armrest of the chair.

进一步地，所述基础连接件底部沿纵向(扶手长度方向，或者前后方向)设置有若干组间隔设置的螺纹孔组。Further, the base connector bottom portion is provided with a plurality of sets of spaced threaded hole groups in the longitudinal direction (the armrest length direction, or the front-rear direction).

所述螺栓可选择地与不同螺纹孔组连接，以适用于不同的长度规格的扶手的连接。The bolts are optionally connectable to different sets of threaded holes for connection to different length gauge armrests.

进一步地，所述螺纹孔组包括成对设置的螺纹孔，成对设置的螺栓通过螺纹孔连接在所述基础连接件底部；每对中的螺栓分别对称设置在扶手的左右两侧(扶手设置在两个连接紧固件的中间)。Further, the threaded hole group includes threaded holes arranged in pairs, and bolts arranged in pairs are connected to the bottom of the base connecting member through screw holes; the bolts in each pair are symmetrically disposed on the left and right sides of the armrest (armrest setting) In the middle of the two connecting fasteners).

所述基础连接件和所述压板在与扶手接触部位设置有橡胶层。The base connector and the pressure plate are provided with a rubber layer at a contact portion with the armrest.

进一步地，所述连接结构包括：第一夹持板、第二夹持板以及压紧螺栓；第一夹持板和第二夹持板竖立设置在所述基础连接件底部；第一夹持板和第二夹持板之间设置有用于容纳椅子扶手的夹持空间；Further, the connecting structure comprises: a first clamping plate, a second clamping plate and a pressing bolt; the first clamping plate and the second clamping plate are erected at the bottom of the base connector; the first clamping a clamping space for accommodating the armrest of the chair is disposed between the plate and the second clamping plate;

第一夹持板和/或第二夹持板上设置有螺纹通孔；a threaded through hole is disposed on the first clamping plate and/or the second clamping plate;

所述压紧螺栓通过第一夹持板或第二夹持板上的螺纹通孔自外部伸入所述夹持空间内，压紧螺栓的顶部顶靠在扶手侧部，进而实现与扶手的固定连接。The pressing bolt protrudes from the outside into the clamping space through a threaded through hole of the first clamping plate or the second clamping plate, and the top of the pressing bolt abuts against the side of the handrail, thereby realizing the handrail Fixed connection.

进一步地，所述压紧螺栓的顶部设置有压紧块，所述压紧螺栓通过所述压紧块顶靠在扶手侧部。Further, a top of the pressing bolt is provided with a pressing block, and the pressing bolt abuts against the side of the armrest through the pressing block.

进一步地，所述第一夹持板和所述第二夹持板上的所述螺纹通孔呈矩阵式布设。Further, the threaded through holes of the first clamping plate and the second clamping plate are arranged in a matrix.

进一步地，所述第一夹持板和所述第二夹持板分别为条板状；所述基础连接件的底部以及扶手的两侧分别间隔设置有若干个所述第一夹持板和所述第二夹持板；Further, the first clamping plate and the second clamping plate are respectively strip-shaped; the bottom of the basic connecting member and the two sides of the armrest are respectively spaced apart from the first clamping plate and The second clamping plate;

每个所述第一夹持板和所述第二夹持板上沿高度方向分别间隔设置有若干个所述螺纹通孔。Each of the first clamping plate and the second clamping plate are respectively spaced apart from each other in the height direction by a plurality of the threaded through holes.

若干个所述压紧螺栓可根据扶手的长度和以及固定部件的设置高度而选择旋入适当的若干个螺纹通孔，进而将固定部件固定在扶手上。A plurality of the compression bolts are selectively screwed into a plurality of threaded through holes according to the length of the armrest and the height of the fixing member, thereby fixing the fixing member to the armrest.

进一步地，所述固定部件在所述基础连接件的底部设置有用于卡接在椅子的椅面板两侧边缘的卡槽；Further, the fixing member is provided at the bottom of the base connector with a card slot for engaging on both side edges of the chair panel of the chair;

所述固定部件分为设置在所述左托板下方的左固定部件，和设置在所述右托板下方的右固定部件；The fixing member is divided into a left fixing member disposed under the left tray, and a right fixing member disposed under the right tray;

所述左固定部件和右固定部件分别通过卡槽卡装在椅面板的左右两侧，所述左固定部件和右固定部件之间通过连接件连接。The left fixing member and the right fixing member are respectively attached to the left and right sides of the seat panel through the card slot, and the left fixing member and the right fixing member are connected by a connecting member.

进一步地，所述连接件为设置在椅面板下方的拉伸弹簧，所述拉伸弹簧的两端分别与所述左固定部件和右固定部件连接，趋向于迫使所述左固定部件和右固定部件分别向中间移动并抵靠在椅面板的两侧；Further, the connecting member is a tension spring disposed under the seat panel, and two ends of the tension spring are respectively connected with the left fixing member and the right fixing member, and tend to force the left fixing member and the right fixing portion The components are respectively moved in the middle and abut against both sides of the seat panel;

或者，所述连接件为在椅面板下方的连接杆，所述连接杆的两端分别与所述左固定部件和右固定部件可拆卸固定连接；Alternatively, the connecting member is a connecting rod below the seat panel, and two ends of the connecting rod are detachably and fixedly connected to the left fixing member and the right fixing member respectively;

或者，所述连接件为在椅面板下方的长度可调的伸缩杆，伸缩杆的两端分别与所述左固定部件和右固定部件可拆卸连接。Alternatively, the connecting member is a length-adjustable telescopic rod below the seat panel, and two ends of the telescopic rod are detachably connected to the left fixing member and the right fixing member, respectively.

伸缩杆包括连接杆、连接套和锁紧件；连接杆可滑动地插装在所述连接套内，所述锁紧件用于将两者固定连接。The telescopic rod includes a connecting rod, a connecting sleeve and a locking member; the connecting rod is slidably inserted in the connecting sleeve, and the locking member is used for fixedly connecting the two.

其中，所述锁紧件可以是螺钉件，螺钉件自连接套外部伸入连接套内，顶部抵靠在连接杆上，进而将两者锁定。Wherein, the locking member may be a screw member, and the screw member protrudes from the outside of the connecting sleeve into the connecting sleeve, and the top portion abuts against the connecting rod to lock the two.

进一步地，所述左托板和右托板的底部设置有用于夹持所述基础连接件的夹子。Further, the bottoms of the left and right pallets are provided with clips for clamping the base connectors.

通过设置夹子，可进一步地增强托板与基础连接件之间的连接，增加两者之间的稳定程度。By providing a clip, the connection between the pallet and the base connector can be further enhanced, increasing the degree of stability between the two.

进一步地，所述基础部件底部位于夹子头部滑动轨迹末端设置有卡槽或者卡块等限位结构。Further, the bottom of the base member is located at the end of the sliding track of the clip head, and is provided with a limiting structure such as a card slot or a card block.

进一步地，所述夹子与所述左托板和右托板之间设置有滚珠。Further, a ball is disposed between the clip and the left tray and the right tray.

其中，滚珠可转动地设置在夹子上或者托板上，所述夹子通过滚珠夹持住所述左托板和右托板，夹子随着托板转动时，夹子与托板之间的相对滑动更加顺畅。Wherein, the ball is rotatably disposed on the clip or the pallet, and the clip clamps the left pallet and the right pallet by the ball, and the relative sliding between the clip and the pallet is further improved as the clip rotates with the pallet Smooth.

其中优选地，夹子包括弹性的夹持板，夹持板的一端与所述托板底部连接，夹持板与托板之间形成一个用于夹持基础连接件的夹持槽，夹持板在弹力作用下抵靠在基础连接件的底部，将基础连接件夹持在托板和夹持板之间。Preferably, the clip comprises an elastic clamping plate, one end of the clamping plate is connected with the bottom of the supporting plate, and a clamping groove for clamping the basic connecting member is formed between the clamping plate and the supporting plate, and the clamping plate is formed Abutting against the bottom of the base connector under elastic force, the base connector is clamped between the pallet and the clamping plate.

进一步地，在使用状态下，两个所述托板的横置部抵靠在一起或者保持10-40cm的间隔。Further, in the state of use, the transverse portions of the two pallets abut together or maintain an interval of 10-40 cm.

使用时，两个横置部抵靠在一起，可以用于放置键盘或者笔记本等办公器具，便于人们办公或者娱乐使用。When in use, the two transverse portions are abutted together, and can be used for placing office appliances such as a keyboard or a notebook, so that people can use it for office or entertainment.

而当两个横置部保持一定间隔时，则可以分别放置分体键盘的两个左右分部，人手自然放置在分体键盘的左右分部上并进行操作。When the two transverse portions are kept at a certain interval, the two left and right portions of the split keyboard can be separately placed, and the human hands are naturally placed on the left and right branches of the split keyboard and operated.

进一步地，还包括支撑悬臂，所述支撑悬臂包括臂节组和夹持座，所述夹持座枢接在所述臂节组的下端用于夹持连接椅子椅面板；所述臂节组的上端与所述横置部连接；Further, further comprising a support cantilever, the support cantilever includes an arm set and a clamping seat, the clamping seat is pivotally connected at a lower end of the arm set for clamping and connecting the chair panel; the arm set The upper end is connected to the transverse portion;

其中，所述臂节组包括至少两个首尾枢接的臂节，在横置部平移过程中，臂节组弯曲或者伸直变化，当伸直后可对横置部起到支撑或者拉伸的作用，同时还可防止托板向上翘起或向下弯折变形。Wherein, the arm set includes at least two arm joints that are pivoted first and last. During the translation of the transverse portion, the arm sets are bent or straightened, and when straightened, the transverse portion can be supported or stretched. The function also prevents the pallet from being lifted up or bent downward.

进一步地，所述臂节组与所述夹持座之间设置有用于限制臂节组摆转角度的转角限位结构；Further, a corner limiting structure for limiting the swing angle of the arm set is disposed between the arm set and the holder;

和/或，所述臂节组中相邻两个臂节之间设置有转角限位结构。And/or, a corner limiting structure is disposed between adjacent two arm segments in the arm set.

进一步地，所述托板与所述基础连接件之间设置有用于限定两者相对转角的转角限位结构。Further, a corner limiting structure for defining a relative rotation angle between the bracket and the base connector is disposed.

进一步地，还包括俯仰调节机构，所述俯仰调节结构用于调节所述托板的前端抬起或落下的俯仰角度。Further, a pitch adjustment mechanism for adjusting a pitch angle at which the front end of the pallet is raised or dropped is further included.

其中，俯仰调节机构形式较多，例如，俯仰调节机构为横截面为三角形或者梯形的楔形块，所述楔形块插装在所述基础连接件与扶手之间，或者基础连接件与所述托板之间，通过调节楔形块的楔入深度从而可实现托板的俯仰角度，从而适用于不同用户的使用习惯。Wherein, the pitch adjustment mechanism is in many forms, for example, the pitch adjustment mechanism is a wedge-shaped block having a triangular or trapezoidal cross section, the wedge block being interposed between the base connector and the armrest, or the base connector and the bracket Between the plates, the pitch angle of the pallet can be adjusted by adjusting the wedge depth of the wedge block, so that it is suitable for different users.

或者，所述俯仰调节机构为中间连接件，所述托板通过中间连接件枢接在所述基础连接件上，中间连接件可水平摆动地铰连接在基础连接件上，托板可俯仰角度可调地枢接在中间连接件上。Alternatively, the pitch adjusting mechanism is an intermediate connecting member, and the pallet is pivotally connected to the base connecting member via an intermediate connecting member, and the intermediate connecting member is horizontally swingably hingedly connected to the base connecting member, and the supporting plate can be tilted at an angle Adjustably pivoted to the intermediate connector.

中间连接件与所述托板之间设置有转角限位结构，例如弧形导向槽和在导向槽内滑动的锁紧螺钉，松开锁紧螺钉，托板俯仰角度可调，旋紧锁紧螺栓则将托板锁定。A corner limiting structure is arranged between the intermediate connecting member and the pallet, such as an arc guiding groove and a locking screw sliding in the guiding groove, the locking screw is loosened, the pitch angle of the pallet is adjustable, and the locking is tightly locked. The bolt locks the pallet.

进一步地，所述托板的纵置部为前宽后窄且斜侧边设置在椅子内侧的梯形。进而便于承托人自然向中间倾斜放置的前臂。Further, the longitudinal portion of the pallet is a trapezoid having a front width and a rear narrow portion and an oblique side edge disposed on the inner side of the chair. In turn, it is convenient for the supporter to naturally tilt the forearm placed in the middle.

进一步地，所述托板上设置有笔架、手机架、小键盘架和/或水杯架。Further, the pallet is provided with a pen holder, a mobile phone holder, a small keyboard holder and/or a water cup holder.

进一步地，所述纵置部的顶部设置有用于容纳所述横置部的沉槽，纵置部在所述沉槽内可升降地设置有升降板，所述横置部可翻转地设置在所述升降板上；横置部展开以及升降板抬起后，横置部和升降板的顶面与所述纵置部的顶面齐平；横置部向外侧翻转后并随升降板落入沉槽内后，横置部的底面与所述纵置部顶面齐平。Further, a top surface of the longitudinal portion is provided with a sinking groove for accommodating the transverse portion, and the vertical portion is provided with a lifting plate in the sinking groove, and the horizontal portion is reversibly disposed at The lifting plate; after the transverse portion is unfolded and the lifting plate is raised, the top surface of the transverse portion and the lifting plate are flush with the top surface of the longitudinal portion; the transverse portion is turned to the outside and is lowered with the lifting plate After entering the sinking groove, the bottom surface of the transverse portion is flush with the top surface of the longitudinal portion.

或者，所述横置部在90-180°范围内翻转，所述横置部翻转后竖立或者斜立在所述纵置部的上方。Alternatively, the transverse portion is turned over in the range of 90-180°, and the transverse portion is inverted or erected above the longitudinal portion.

横置部与所述纵置部之间可设置有转角限位机构，实行横置部的翻转角度的限位。A corner limiting mechanism may be disposed between the transverse portion and the longitudinal portion, and the limit of the turning angle of the transverse portion is implemented.

采用上述技术方案，本发明具有如下有益效果：With the above technical solution, the present invention has the following beneficial effects:

本发明提供的一种托架，结构简单，易于推广，托板上可放置一体式或者分体键盘，人的手臂自然伸出即可触碰到键盘，不需要人体向前倾斜既可以操作，人体脊背得到支撑，用户长期工作或者娱乐不会感觉疲惫。The bracket provided by the invention has the advantages of simple structure and easy promotion, and an integrated or split keyboard can be placed on the pallet, and the human arm can naturally reach out and touch the keyboard, and the human body can be operated without tilting forward. The back of the human body is supported, and the user does not feel tired when working or playing for a long time.

另外，托板可水平转动设置，方便人进入座椅的同时，还可以根据自己的使用习惯调节左托板和右托板的开合程度，降低长时间工作和娱乐的疲劳程度。In addition, the pallet can be horizontally rotated to facilitate people to enter the seat, and can also adjust the opening and closing degree of the left pallet and the right pallet according to their own usage habits, thereby reducing the fatigue of long hours of work and entertainment.

以及，托板可俯仰调节，更便于人在操作时依靠在椅背上，减少疲劳程度。Moreover, the pallet can be tilted and adjusted, which is more convenient for people to rely on the back of the chair during operation to reduce the degree of fatigue.

另外，本发明还公开了一种带有上述托架的椅子，所述左托板和右托板通过所述固定部件分别设置在椅子的左右两侧；In addition, the present invention also discloses a chair with the above-mentioned bracket, the left and right pallets are respectively disposed on the left and right sides of the chair through the fixing members;

所述固定部件与所述椅子分体可拆卸连接设置，或者所述固定部件与所述椅子一体设置。The fixing member is detachably connected to the chair, or the fixing member is integrally provided with the chair.

分体设置时，椅子和托架相互独立，使用时，可将托架通过固定部件连接在椅子上；或者，固定部件与椅子一体设置，托板通过固定部件设置在椅子两侧的扶手部位。When the body is arranged separately, the chair and the bracket are independent of each other, and when used, the bracket can be connected to the chair through the fixing member; or the fixing member is integrally provided with the chair, and the pallet is disposed on the armrest portions on both sides of the chair through the fixing member.

附图说明DRAWINGS

为了更清楚地说明本发明具体实施方式或现有技术中的技术方案下面将对具体实施方式或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions of the prior art, the drawings used in the specific embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description It is a certain embodiment of the present invention, and other drawings can be obtained from those skilled in the art without any creative work.

图1为本发明实施例1提供的托架张开时的立体图；1 is a perspective view of the bracket according to Embodiment 1 of the present invention when it is opened;

图2为本发明实施例1提供的托架闭合使用时的立体图；2 is a perspective view of the bracket according to Embodiment 1 of the present invention when it is closed for use;

图3为本发明实施例1中托架设置在椅子上时的立体图；Figure 3 is a perspective view showing the bracket in the first embodiment of the present invention when it is placed on a chair;

图4为本发明实施例1中托架底部结构示意图；4 is a schematic structural view of a bottom portion of a bracket according to Embodiment 1 of the present invention;

图5为本发明实施例2中固定部件的连接结构的结构示意图；Figure 5 is a schematic structural view showing a connection structure of a fixing member in Embodiment 2 of the present invention;

图6为本发明实施例3中固定部件的连接结构的结构示意图；Figure 6 is a schematic structural view showing a connection structure of a fixing member in Embodiment 3 of the present invention;

图7为本发明实施例中中间过渡件的立体图；Figure 7 is a perspective view of an intermediate transition piece in an embodiment of the present invention;

图8为本发明实施例中中间过渡件的剖视图；Figure 8 is a cross-sectional view of the intermediate transition piece in the embodiment of the present invention;

图9为本发明实施例中基础连接件底部带有限位机构的托架底部结构示意图；9 is a schematic structural view of a bottom portion of a bracket with a limited position mechanism at the bottom of a basic connecting member according to an embodiment of the present invention;

图10为本发明实施例4中纵置部的结构示意图；Figure 10 is a schematic structural view of a longitudinal portion according to Embodiment 4 of the present invention;

图11为本发明实施例4中横置部的翻转后的结构示意图；Figure 11 is a schematic structural view of the transverse portion of the embodiment 4 after being turned over;

图12为本发明实施例4中横置部的展开后的结构示意图；Figure 12 is a schematic structural view of the transverse portion of the embodiment 4 of the present invention;

图13为本发明实施例4中横置部另一种翻转方式的结构示意图。Fig. 13 is a structural schematic view showing another flipping manner of the transverse portion in the fourth embodiment of the present invention.

附图标记：Reference mark:

1-螺栓；2-螺母；10-托板；10a-横置部；10b-纵置部；10c-升降板；10d-沉槽；11-左托板；12-右托板；13-枢接轴；14-笔架；15-水杯架；16-手机架；20-固定部件；20a-左固定部件；20b-右固定部件；21-基础连接件；21a-螺纹孔组；22-压板；23-第一夹持板；24-第二夹持板；24a-螺纹通孔；25-压紧螺栓；26-压紧块；27-卡槽；28-连接套；28a-锁紧件；29-连接杆；30-支撑悬臂；31-夹持座；32-臂节组；40-夹子；41-限位结构；50-椅子；51-椅面板；70-中间过渡件；71-第二连接孔；72-第一连接孔；73凹槽。1-bolt; 2-nut; 10-plate; 10a-transverse; 10b-longitudinal; 10c-lifting plate; 10d-sinking; 11-left pallet; 12-right pallet; Axle; 14-pen holder; 15-cup holder; 16-cell holder; 20-fixing member; 20a-left fixing member; 20b-right fixing member; 21-base connector; 21a-threaded hole group; 22-platen; 23-first clamping plate; 24-second clamping plate; 24a-threaded through hole; 25-compression bolt; 26-pressing block; 27-card slot; 28-connecting sleeve; 28a-locking member; 29-connecting rod; 30-supporting cantilever; 31-clamping seat; 32-arm set; 40-clip; 41-stop structure; 50-chair; 51-chair panel; 70-intermediate transition piece; Two connection holes; 72 - first connection holes; 73 grooves.

具体实施方式Detailed ways

下面将结合附图对本发明的技术方案进行清楚、完整地描述，显然，所描述的实施例是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions of the present invention will be clearly and completely described in the following with reference to the accompanying drawings. It is obvious that the described embodiments are a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

在本发明的描述中，需要说明的是，术语“中心”、“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。此外，术语“第一”、“第二”、“第三”仅用于描述目的，而不能理解为指示或暗示相对重要性。In the description of the present invention, it is to be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inside", "outside", etc. The orientation or positional relationship of the indications is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of the description of the invention and the simplified description, rather than indicating or implying that the device or component referred to has a specific orientation, in a specific orientation. The construction and operation are therefore not to be construed as limiting the invention. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

在本发明的描述中，需要说明的是，除非另有明确的规定和限定，术语“安装”、“相连”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本发明中的具体含义。In the description of the present invention, it should be noted that the terms "installation", "connected", and "connected" are to be understood broadly, and may be fixed or detachable, for example, unless otherwise explicitly defined and defined. Connected, or integrally connected; can be mechanical or electrical; can be directly connected, or indirectly connected through an intermediate medium, can be the internal communication of the two components. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.

下面结合具体的实施方式对本发明做进一步的解释说明。The invention will be further explained below in conjunction with specific embodiments.

实施例1Example 1

如图1至图3所示，本实施例提供的一种托架，其包括托板10以及固定部件20；As shown in FIG. 1 to FIG. 3, a bracket provided by the embodiment includes a pallet 10 and a fixing member 20;

固定部件20设置在托板10底部，用于将托板10可拆卸地设置在椅子50的左右两侧的扶手部位；The fixing member 20 is disposed at the bottom of the pallet 10 for detachably arranging the pallet 10 on the left and right side of the chair 50;

托板10的前端设置有横置部10a；The front end of the pallet 10 is provided with a transverse portion 10a;

托板10包括用于分别设置在椅子50左右两侧的左托板11和右托板12；The pallet 10 includes a left pallet 11 and a right pallet 12 respectively disposed on the left and right sides of the chair 50;

如图图3所示，在使用状态下，左托板11和右托板12的横置部10a分别从椅子50的左右两侧向中间(即人胸前方或者身前)伸展并横置在人的身体前侧，以便于人的左右两手自然伸出到身体前方并置于横置部10a的上方进行操作。As shown in FIG. 3, in the use state, the transverse portions 10a of the left and

right pallets

11 and 12 are respectively extended from the left and right sides of the chair 50 to the middle (ie, in front of the chest or in front of the body) and are placed transversely. On the front side of the human body, the left and right hands of the person naturally extend to the front of the body and are placed above the transverse portion 10a for operation.

本发明公开的一种托架，主要用于分体键盘的使用，分体键盘可以分别放置在左托板11和右托板12上，托板10横置在人的身前且更加贴靠身体，人的手臂自然伸出可触碰到两个分体键盘上，不需要人体向前倾斜既可以操作，人体脊背得到支撑，用户长期工作或者娱乐不会感觉疲惫。The bracket disclosed in the present invention is mainly used for the use of a split keyboard, and the split keyboard can be respectively placed on the left tray 11 and the right tray 12, and the tray 10 is horizontally placed in front of the person and is more closely attached. The body, the human arm naturally extends to touch the two separate keyboards, and the human body does not need to be tilted forward to operate, the back of the human body is supported, and the user does not feel tired when working or playing for a long time.

其中，如图4所示，左托板11和右托板12分别通过枢接轴13可转动地设置在各自对应的固定部件20上，用于横置部10a从椅子50的中间退出以便于人坐进或者离开椅子50。Wherein, as shown in FIG. 4, the left pallet 11 and the right pallet 12 are respectively rotatably disposed on the respective corresponding fixing members 20 through the pivot shaft 13, for the lateral portion 10a to be withdrawn from the middle of the chair 50 so as to be facilitated. The person sits in or leaves the chair 50.

托板10整体大体呈L型，托板10还包括纵置部10b，横置部10a横置(即大体垂直地)在纵置部10b的前端。The pallet 10 is generally generally L-shaped, and the pallet 10 further includes a longitudinal portion 10b that is transverse (i.e., substantially perpendicular) to the forward end of the longitudinal portion 10b.

纵置部10b可以用于承托人体的前臂，前臂自然垂下放置在纵置部10b上，手部放置在横置部10a的上方，便于操作鼠标或者键盘。The longitudinal portion 10b can be used to support the forearm of the human body, and the forearm is naturally placed down on the longitudinal portion 10b, and the hand is placed above the transverse portion 10a for easy operation of the mouse or the keyboard.

在上述任一技术方案中，进一步地，固定部件20包括基础连接件21，纵置部10b的后端枢接在基础连接件21上。In any of the above technical solutions, further, the fixing member 20 includes a base connector 21, and a rear end of the longitudinal portion 10b is pivotally connected to the base connector 21.

基础连接件21上设置有用于将固定部件20固定在椅子50两侧的连接结构。连接结构包括若干个压板22，压板22通过螺栓1和螺母2与基础连接件21连接，基础连接件21和压板22分别从上方和下方夹持住椅子50的扶手，进而将基础连接件21固定在椅子50的扶手上。The base connector 21 is provided with a connection structure for fixing the fixing member 20 to both sides of the chair 50. The connecting structure includes a plurality of pressing plates 22 connected to the base connecting member 21 by bolts 1 and nuts 2, and the base connecting member 21 and the pressing plate 22 respectively grip the armrests of the chair 50 from above and below, thereby fixing the base connecting member 21 On the armrest of the chair 50.

基础连接件21底部沿纵向(扶手长度方向，或者前后方向)设置有若干组间隔设置的螺纹孔组21a。The bottom of the base connector 21 is provided with a plurality of sets of spaced-apart threaded hole groups 21a in the longitudinal direction (the armrest length direction, or the front-rear direction).

螺栓可选择地与不同螺纹孔组21a连接，以适用于不同的长度规格的扶手的连接。The bolts are optionally connected to different sets of threaded holes 21a for connection to different length gauge armrests.

其中，螺纹孔组21a包括成对设置的螺纹孔，成对设置的螺栓1通过螺纹孔连接在基础连接件21底部；每对螺栓分别对称设置在椅子50扶手的左右两侧(扶手设置在两个螺栓1的中间)。Wherein, the threaded hole group 21a includes threaded holes arranged in pairs, and the bolts 1 disposed in pairs are connected to the bottom of the base connecting member 21 through the screw holes; each pair of bolts are symmetrically disposed on the left and right sides of the armrest of the chair 50 (the armrest is disposed at two The middle of the bolt 1).

更为优选地，基础连接件21和压板22在与扶手接触部位设置有橡胶层。从而保护扶手的同时，使得扶手被夹持的更加牢固。More preferably, the base connector 21 and the pressure plate 22 are provided with a rubber layer at a portion in contact with the armrest. Thereby the armrest is protected while the armrest is clamped more firmly.

另外，左托板11和右托板12的底部设置有用于夹持基础连接件21的夹子40。Further, the bottom of the left pallet 11 and the right pallet 12 is provided with a clip 40 for holding the base connector 21.

通过设置夹子40，可进一步地增强托板10与基础连接件21之间的连接，增加两者之间的稳定程度。更为优选地，夹子与左托板11和右托板12之间可设置有滚珠。滚珠可转动地设置在夹子上或者托板10上，夹子通过滚珠夹持住左托板11和右托板12，夹子随着托板10转动时，夹子与托板10之间的相对滑动更加顺畅。By providing the clip 40, the connection between the pallet 10 and the base connector 21 can be further enhanced, increasing the degree of stability between the two. More preferably, a ball may be disposed between the clip and the left pallet 11 and the right pallet 12. The balls are rotatably disposed on the clip or on the pallet 10, and the clips hold the left pallet 11 and the right pallet 12 by balls, and the relative sliding between the clamp and the pallet 10 is further changed as the pallet rotates. Smooth.

具体而言，如图9所示，夹子40包括一个弹性的夹持板，夹持板的一端与托板10底部连接，夹持板与托板10之间形成一个用于夹持基础连接件21的夹持槽，夹持板在弹力作用下抵靠在基础连接件21的底部，将基础连接件21夹持在托板10和夹持板之间。Specifically, as shown in FIG. 9, the clip 40 includes an elastic clamping plate, one end of the clamping plate is coupled to the bottom of the pallet 10, and a clamping member is formed between the clamping plate and the pallet 10 for clamping the basic connector. The clamping groove of 21, the clamping plate abuts against the bottom of the base connector 21 under the action of the elastic force, and clamps the base connector 21 between the pallet 10 and the clamping plate.

其中，优选地，在板状的基础连接件21底部在夹子头部滑动轨迹末端设置有卡槽或者卡块等轻度限位结构41，夹子40的头部卡入卡槽或者越过卡块，可实现对夹子的限位，进一步锁定基础连接件和托板。Preferably, at the bottom of the plate-shaped base connector 21, a light limiting structure 41 such as a card slot or a card block is disposed at the end of the sliding track of the clip head, and the head of the clip 40 is snapped into the card slot or over the card block. Limiting the clip can be achieved, further locking the base connector and the pallet.

在使用状态下，两个托板10的横置部10a抵靠在一起或者保持10-40cm的间隔。In the state of use, the transverse portions 10a of the two pallets 10 abut or remain at an interval of 10-40 cm.

在本实施例中还包括支撑悬臂30，支撑悬臂30包括臂节组32和夹持座31，夹持座31枢接在臂节组32的下端用于夹持连接椅子50椅面板51；臂节组32的上端与横置部10a底部靠近外侧边沿的部位连接；In this embodiment, a support cantilever 30 is further included. The support cantilever 30 includes an arm set 32 and a clamping seat 31. The clamping seat 31 is pivotally connected to the lower end of the arm set 32 for clamping the connecting chair 50 of the chair panel 51; The upper end of the node group 32 is connected to a portion of the bottom portion of the transverse portion 10a near the outer edge;

其中，臂节组32包括两个首尾枢接的臂节。臂节组32与夹持座31之间还可以设置有用于限制臂节组32摆转角度的转角限位结构；臂节组32中相邻两个臂节之间也可设置有转角限位结构。Wherein, the arm set 32 includes two arm joints that are pivoted end to end. A corner limit structure for restricting the swing angle of the arm set 32 may be disposed between the arm set 32 and the clamp seat 31; a corner limit may be disposed between adjacent two arm sections of the arm set 32 structure.

以及，托板10与基础连接件21之间设置有用于限定两者相对转角的转角限位结构。And a corner limiting structure for defining the relative rotation angles of the brackets 10 and the base connecting member 21 is provided.

转角限位结构可采用现有技术，例如定位凹槽和定位销；定位销在弹性件的作用下趋向伸入定位凹槽内，一个或者若干个定位凹槽设置在定位销的移动轨迹上，当定位销移动到该定位凹槽部位，定位销在弹性件的作用下伸入定位凹槽，实现两个部件的轻度限位，当使用外力克服弹性件，迫使定位销退出定位凹槽，两个部件可继续相对转动。The corner limiting structure can adopt the prior art, such as a positioning groove and a positioning pin; the positioning pin tends to protrude into the positioning groove under the action of the elastic member, and one or several positioning grooves are disposed on the movement track of the positioning pin, When the positioning pin moves to the positioning groove portion, the positioning pin protrudes into the positioning groove under the action of the elastic member, thereby achieving a slight limit of the two components. When an external force is used to overcome the elastic member, the positioning pin is forced to exit the positioning groove. The two components can continue to rotate relative to each other.

如图2所示，托板10上设置有笔架14、手机架16和水杯架15等附属件。As shown in FIG. 2, the pallet 10 is provided with attachments such as a pen holder 14, a mobile phone holder 16, and a water cup holder 15.

如图7和8所示，本实施例还包括设置在所述基础连接件和椅子扶手之间的中间过渡件70；As shown in Figures 7 and 8, the embodiment further includes an intermediate transition member 70 disposed between the base connector and the armrest of the chair;

中间过渡件70上设置有用于与所述基础连接件连接的第一连接孔72，和用于与椅子扶手连接的第二连接孔71；The intermediate transition piece 70 is provided with a first connecting hole 72 for connecting with the base connecting piece, and a second connecting hole 71 for connecting with the armrest of the chair;

所述第二连接孔71和所述第一连接孔72的中心轴线非平行设置，以用于将基础连接件过渡连接在椅子扶手上。The central axes of the second connecting holes 71 and the first connecting holes 72 are non-parallel for connecting the base connecting member to the armrest of the chair.

所述第二连接孔71和所述第一连接孔72分别包括两列，分别设置在扶手的两侧。The second connecting hole 71 and the first connecting hole 72 respectively comprise two rows, which are respectively disposed on two sides of the armrest.

其中，中间过渡件整体呈楔形，可以用于调整所述托板的俯仰角度。第二连接孔和第一连接孔呈矩阵式布设，以便于适配于不同的规格的扶手，以及通过调节楔入深度调节托板的俯仰角度。Wherein, the intermediate transition piece has a wedge shape as a whole and can be used to adjust the pitch angle of the pallet. The second connecting hole and the first connecting hole are arranged in a matrix to facilitate fitting to different specifications of the armrest, and adjusting the pitch angle of the pallet by adjusting the wedging depth.

另外，中间过渡件底面和/或者顶面设置有凹槽73，可以用于与椅子扶手卡接。中间过渡件底面和/或者顶面优选地设置有橡胶层。中间过渡件横截面前端为向下弯折的弧形，以适配于扶手的圆弧型前端。In addition, the bottom and/or top surface of the intermediate transition piece is provided with a recess 73 which can be used for snapping onto the armrest of the chair. The bottom and/or top surface of the intermediate transition piece is preferably provided with a rubber layer. The front end of the cross section of the intermediate transition piece is a downwardly curved arc to fit the arcuate front end of the armrest.

本发明提供的一种托架，结构简单，易于推广，托板10上可放置一体式或者分体键盘，人的手臂自然伸出即可触碰到键盘，不需要人体向前倾斜既可以操作，人体脊背得到支撑，用户长期工作或者娱乐不会感觉疲惫。The bracket provided by the invention has the advantages of simple structure and easy promotion, and the integrated board or the split keyboard can be placed on the pallet 10, and the human arm can be extended naturally to touch the keyboard, and the human body can be operated without the human body leaning forward. The back of the human body is supported, and the user does not feel tired when working or playing for a long time.

另外，托板10可水平转动设置，方便人进入座椅的同时，还可以根据自己的使用习惯调节左托板11和右托板12的开合程度，降低长时间工作和娱乐的疲劳程度。以及，托板10可俯仰调节，更便于人在操作时依靠在椅背上，减少疲劳程度。In addition, the pallet 10 can be horizontally rotated to facilitate the person to enter the seat, and can also adjust the opening and closing degree of the left pallet 11 and the right pallet 12 according to their own usage habits, thereby reducing the fatigue of long working and entertainment. Moreover, the pallet 10 can be adjusted in pitch, which is more convenient for the person to rely on the back of the chair during operation to reduce the degree of fatigue.

实施例2Example 2

本实施例与实施例1结构基本相同，不同之处在于：This embodiment is basically the same as the structure of Embodiment 1, except that:

如图5所示，连接结构包括：第一夹持板23、第二夹持板24以及压紧螺栓25；第一夹持板23和第二夹持板24竖立设置在基础连接件21底部；第一夹持板23和第二夹持板24之间设置有用于容纳椅子扶手的夹持空间；As shown in FIG. 5, the connecting structure includes: a first clamping plate 23, a second clamping plate 24, and a pressing bolt 25; the first clamping plate 23 and the second clamping plate 24 are erected at the bottom of the base connector 21 a clamping space for accommodating the armrest of the chair is disposed between the first clamping plate 23 and the second clamping plate 24;

第一夹持板23和第二夹持板24上设置有螺纹通孔24a；The first clamping plate 23 and the second clamping plate 24 are provided with threaded through holes 24a;

压紧螺栓25通过第二夹持板24上的螺纹通孔24a自椅子的外侧伸入夹持空间内，压紧螺栓的顶部顶靠在扶手侧部，进而实现与扶手的固定连接。The pressing bolt 25 protrudes from the outer side of the chair into the clamping space through the threaded through hole 24a of the second clamping plate 24, and the top of the pressing bolt abuts against the side of the armrest, thereby achieving a fixed connection with the armrest.

其中为包括扶手，压紧螺栓25的顶部优选设置有压紧块26，压紧螺栓通过压紧块26顶靠在扶手侧部。In order to include the armrest, the top of the compression bolt 25 is preferably provided with a compression block 26 against which the compression bolt abuts against the side of the armrest.

第一夹持板23和第二夹持板24上的螺纹通孔呈矩阵式布设。具体而言，第一夹持板23和第二夹持板24分别为条板状；基础连接件21的底部以及扶手的两侧分别间隔设置有多个第一夹持板23和第二夹持板24；The threaded through holes in the first clamping plate 23 and the second clamping plate 24 are arranged in a matrix. Specifically, the first clamping plate 23 and the second clamping plate 24 are respectively strip-shaped; the bottom of the base connecting member 21 and the two sides of the armrest are respectively spaced apart from the first clamping plate 23 and the second clamping member. Holding board 24;

每个第一夹持板23和第二夹持板24上沿高度方向分别间隔设置有若干个螺纹通孔。Each of the first holding plate 23 and the second holding plate 24 is provided with a plurality of threaded through holes spaced apart in the height direction.

至少两个压紧螺栓可根据扶手的长度和以及固定部件20的设置高度而选择旋入适当的若干个螺纹通孔，进而将固定部件20固定在扶手上。The at least two compression bolts are selectively screwed into a plurality of threaded through holes according to the length of the armrest and the height of the fixing member 20, thereby fixing the fixing member 20 to the armrest.

实施例3Example 3

如图6所示，固定部件20在基础连接件21的底部设置有用于卡接在椅子的椅面板两侧边缘的卡槽27；As shown in Figure 6, the fixing member 20 is provided at the bottom of the base connector 21 with a card slot 27 for snapping on both sides of the chair panel;

固定部件20分为设置在左托板11下方的左固定部件20a，和设置在右托板12下方的右固定部件20b；The fixing member 20 is divided into a left fixing member 20a disposed under the left pallet 11, and a right fixing member 20b disposed below the right pallet 12;

左固定部件20a和右固定部件20b分别通过卡槽27卡装在椅面板的左右两侧，左固定部件20a和右固定部件20b之间通过连接件连接。The left fixing member 20a and the right fixing member 20b are respectively engaged with the right and left sides of the seat panel through the card slot 27, and the left fixing member 20a and the right fixing member 20b are connected by a connecting member.

连接件为在椅面板下方的长度可调的伸缩杆，伸缩杆的两端分别与左固定部件20a和右固定部件20b可拆卸连接。The connecting member is a length-adjustable telescopic rod below the seat panel, and both ends of the telescopic rod are detachably connected to the left fixing member 20a and the right fixing member 20b, respectively.

伸缩杆包括连接杆29、连接套28和锁紧件28a；连接杆29可滑动地插装在连接套28内，锁紧件28a用于将两者固定连接。其中，锁紧件可以是螺钉件，螺钉件自连接套外部伸入连接套内，顶部抵靠在连接杆上，进而将两者锁定。The telescopic rod includes a connecting rod 29, a connecting sleeve 28 and a locking member 28a; the connecting rod 29 is slidably inserted into the connecting sleeve 28, and the locking member 28a is used for fixedly connecting the two. Wherein, the locking member may be a screw member, and the screw member protrudes from the outside of the connecting sleeve into the connecting sleeve, and the top portion abuts against the connecting rod to lock the two.

当然，连接件的形式还很多，例如连接件为设置在椅面板下方的拉伸弹簧，拉伸弹簧的两端分别与左固定部件20a和右固定部件20b连接，趋向于迫使左固定部件20a和右固定部件20b分别向中间移动并抵靠在椅面板的两侧；或者，连接件为在椅面板下方的连接杆，连接杆的两端分别与左固定部件20a和右固定部件20b可拆卸固定连接；Of course, the connector has many forms, for example, the connecting member is a tension spring disposed under the seat panel, and the two ends of the tension spring are respectively connected with the left fixing member 20a and the right fixing member 20b, tending to force the left fixing member 20a and The right fixing members 20b are respectively moved in the middle and abut against the two sides of the seat panel; or, the connecting member is a connecting rod below the seat panel, and the two ends of the connecting rod are detachably fixed to the left fixing member 20a and the right fixing member 20b, respectively. connection;

另外，在上述任一技术方案中，更为优选地，托架还包括俯仰调节机构，俯仰调节结构用于调节托板10的前端抬起或落下的俯仰角度。Further, in any of the above aspects, more preferably, the bracket further includes a pitch adjustment mechanism for adjusting a pitch angle at which the front end of the pallet 10 is lifted or dropped.

其中，俯仰调节机构形式较多，例如，如图7所示，俯仰调节机构为横截面为三角形或者梯形的楔形中间过渡件70，中间过渡件70插装在基础连接件21与扶手之间，通过调节中间过渡件70的楔入深度从而可实现托板10的俯仰角度，从而适用于不同用户的使用习惯。Wherein, the pitch adjustment mechanism is in many forms. For example, as shown in FIG. 7, the pitch adjustment mechanism is a wedge-shaped intermediate transition piece 70 having a triangular or trapezoidal cross section, and the intermediate transition piece 70 is interposed between the base connection member 21 and the armrest. The pitch angle of the pallet 10 can be achieved by adjusting the wedging depth of the intermediate transition piece 70, thereby being adapted to the usage habits of different users.

当然，俯仰调节机构还可以是中间连接件，托板10通过中间连接件枢接在基础连接件21上，中间连接件可水平摆动地铰连接在基础连接件21上，托板10可俯仰角度可调地枢接在中间连接件上。中间连接件与托板10之间设置有转角限位结构，例如弧形导向槽和在导向槽内滑动的锁紧螺钉，松开锁紧螺钉，托板10俯仰角度可调，旋紧锁紧螺栓则将托板10锁定。Of course, the pitch adjustment mechanism may also be an intermediate connector. The pallet 10 is pivotally connected to the base connector 21 via an intermediate connector, and the intermediate connector is hingedly coupled to the base connector 21 in a horizontally swingable manner. The pallet 10 can be tilted. Adjustably pivoted to the intermediate connector. A corner limiting structure is arranged between the intermediate connecting member and the pallet 10, for example, an arc guiding groove and a locking screw sliding in the guiding groove, the locking screw is loosened, the pitch angle of the pallet 10 is adjustable, and the locking is tightly locked. The bolt locks the pallet 10.

实施例4Example 4

如图10至图12所示，所述横置部10a可向椅子外侧翻转地设置在所述纵置部10b的前端，所述横置部10a翻转后从椅子的中间退出以便于人坐进或者离开椅子。As shown in FIGS. 10 to 12, the transverse portion 10a is provided at the front end of the longitudinal portion 10b so as to be turned over to the outside of the chair, and the transverse portion 10a is turned over and then withdrawn from the middle of the chair so that the person can sit in. Or leave the chair.

所述纵置部10b的顶部设置有用于容纳所述横置部10a的沉槽10d，纵置部10b在所述沉槽内可升降地设置有升降板10c，所述横置部10a可翻转地设置在所述升降板10c上。The top of the longitudinal portion 10b is provided with a sinking groove 10d for accommodating the transverse portion 10a, and the vertical portion 10b is provided with a lifting plate 10c which is vertically movable in the sinking groove, and the transverse portion 10a is reversible It is disposed on the lift plate 10c.

横置部展开以及升降板抬起后，横置部和升降板的顶面与所述纵置部的顶面齐平；横置部向外侧翻转后并随升降板落入沉槽内后，横置部10a的底面与所述纵置部10b顶面齐平。After the transverse portion is unfolded and the lifting plate is lifted up, the top surface of the transverse portion and the lifting plate is flush with the top surface of the longitudinal portion; the transverse portion is turned outward and then the lifting plate falls into the sinking groove, The bottom surface of the horizontal portion 10a is flush with the top surface of the vertical portion 10b.

或者，如图13所示，所述横置部10a在90-180°范围内翻转，所述横置部10a翻转后竖立或者斜立在所述纵置部10b的上方。横置部与纵置部之间设置有横置部翻转角度的限位机构。Alternatively, as shown in FIG. 13, the transverse portion 10a is turned over in the range of 90-180, and the transverse portion 10a is inverted and stands upright or obliquely above the longitudinal portion 10b. A stopper mechanism for the angle at which the transverse portion is turned over is provided between the transverse portion and the longitudinal portion.

最后应说明的是：以上各实施例仅用以说明本发明的技术方案，而非对其限制；尽管参照前述各实施例对本发明进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本发明各实施例技术方案的范围。Finally, it should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, and are not intended to be limiting; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that The technical solutions described in the foregoing embodiments may be modified, or some or all of the technical features may be equivalently replaced; and the modifications or substitutions do not deviate from the technical solutions of the embodiments of the present invention. range.

Claims

一种托架，其特征在于，其包括托板以及固定部件；A bracket, characterized in that it comprises a pallet and a fixing member;

所述固定部件设置在所述托板底部，用于将所述托板设置在椅子的左右两侧的扶手部位；The fixing member is disposed at a bottom of the pallet for positioning the pallet on an armrest portion of left and right sides of the chair;

所述托板的前端设置有横置部；The front end of the pallet is provided with a transverse portion;

所述托板包括用于分别设置在椅子左右两侧的左托板和右托板；The pallet includes a left pallet and a right pallet respectively disposed on the left and right sides of the chair;

在使用状态下，所述左托板和右托板的横置部分别从椅子的左右两侧向中间伸展并横置在人的身体前侧，以便于人的左右两手自然伸出到身体前方并置于所述横置部的上方进行操作。In the state of use, the transverse portions of the left and right pallets extend from the left and right sides of the chair to the middle and are laterally placed on the front side of the human body, so that the left and right hands of the person naturally extend to the front of the body. And placed above the transverse portion for operation.
根据权利要求1所述的托架，其特征在于，所述左托板和所述右托板分别可活动地设置在各自对应的所述固定部件上，用于所述横置部从椅子的中间退出以便于人坐进或者离开椅子。The bracket according to claim 1, wherein said left pallet and said right pallet are respectively movably disposed on respective corresponding fixing members for said transverse portion from said chair Exit in the middle to facilitate people sitting in or out of the chair.
根据权利要求1所述的托架，其特征在于，所述托板整体大体呈L型，托板还包括纵置部，所述横置部可向椅子外侧翻转地设置在所述纵置部的前端，所述横置部翻转后从椅子的中间退出以便于人坐进或者离开椅子。The bracket according to claim 1, wherein the pallet is substantially L-shaped as a whole, and the pallet further includes a longitudinal portion, the transverse portion being reversibly disposed on the outer side of the chair. The front end, the transverse portion is turned over and then withdrawn from the middle of the chair to facilitate the person to sit in or out of the chair.
根据权利要求2所述的托架，其特征在于，所述固定部件包括基础连接件，所述托板的后端通过枢接轴可左右摆动地枢接在所述基础连接件上；The bracket according to claim 2, wherein the fixing member comprises a base connector, and a rear end of the pallet is pivotally connected to the base connector by a pivot shaft;

或者，所述托板的外侧边缘通过铰接轴铰连接在所述基础连接件上，铰接轴与所述托板平行，托板可向椅子两侧翻转设置；Alternatively, the outer edge of the pallet is hingedly connected to the base connector by a hinge shaft, and the hinge shaft is parallel to the pallet, and the pallet can be turned over to both sides of the chair;

或者，所述托板通过限位导向机构可平移地设置在所述基础连接件上；Or the tray is translatably disposed on the base connector by a limit guiding mechanism;

或者，所述托板可快速拆卸地设置在所述基础连接件上。Alternatively, the pallet can be quickly disassembled on the base connector.
根据权利要求4所述的托架，其特征在于，还包括设置在所述基础连接件和椅子扶手之间的中间过渡件；The bracket according to claim 4, further comprising an intermediate transition member disposed between said base connector and the armrest of the chair;

所述中间过渡件上设置有至少一组用于与所述基础连接件连接的第一连接孔，和至少一组用于与椅子扶手连接的第二连接孔；The intermediate transition piece is provided with at least one set of first connecting holes for connecting with the base connecting piece, and at least one set of second connecting holes for connecting with the armrest of the chair;

所述第二连接孔和所述第一连接孔的中心轴线非平行设置，以用于将基础连接件过渡连接在椅子扶手上。The central axes of the second connecting holes and the first connecting holes are non-parallel for connecting the base connecting member to the armrest of the chair.
根据权利要求4所述的托架，其特征在于，所述基础连接件上设置有用于将固定部件固定在椅子两侧的连接结构。The bracket according to claim 4, wherein said base connecting member is provided with a connecting structure for fixing the fixing member to both sides of the chair.
根据权利要求6所述的托架，其特征在于，所述连接结构包括若干个压板，压板通过螺栓螺母与基础连接件连接，所述基础连接件和所述压板分别从上方和下方夹持住椅子的扶手，进而将所述基础连接件固定在椅子的扶手上。The bracket according to claim 6, wherein the connecting structure comprises a plurality of pressing plates, and the pressing plate is connected to the base connecting member by bolts and nuts, and the base connecting member and the pressing plate are respectively clamped from above and below The armrest of the chair, in turn, secures the base connector to the armrest of the chair.
根据权利要求7所述的托架，其特征在于，所述基础连接件底部沿纵向设置有若干组间隔设置的螺纹孔组；The bracket according to claim 7, wherein the base connector bottom portion is longitudinally disposed with a plurality of sets of spaced threaded hole groups;

所述螺纹孔组包括成对设置的螺纹孔，成对设置的螺栓通过螺纹孔连接在所述基础连接件底部；每对中的螺栓分别对称设置在扶手的左右两侧。The threaded hole group includes threaded holes arranged in pairs, and bolts arranged in pairs are connected to the bottom of the base connecting member through screw holes; the bolts in each pair are symmetrically disposed on the left and right sides of the armrest.
根据权利要求6所述的托架，其特征在于，所述连接结构包括：第一夹持板、第二夹持板以及压紧螺栓；第一夹持板和第二夹持板竖立设置在所述基础连接件底部；第一夹持板和第二夹持板之间设置有用于容纳椅子扶手的夹持空间；The bracket according to claim 6, wherein the connecting structure comprises: a first clamping plate, a second clamping plate, and a pressing bolt; the first clamping plate and the second clamping plate are erected at a bottom of the base connector; a clamping space for accommodating the armrest of the chair is disposed between the first clamping plate and the second clamping plate;

第一夹持板和/或第二夹持板上设置有螺纹通孔；a threaded through hole is disposed on the first clamping plate and/or the second clamping plate;

所述压紧螺栓通过第一夹持板或第二夹持板上的螺纹通孔自外部伸入所述夹持空间内，压紧螺栓的顶部顶靠在扶手侧部，进而实现与扶手的固定连接。The pressing bolt protrudes from the outside into the clamping space through a threaded through hole of the first clamping plate or the second clamping plate, and the top of the pressing bolt abuts against the side of the handrail, thereby realizing the handrail Fixed connection.
根据权利要求9所述的托架，其特征在于，所述压紧螺栓的顶部设置有压紧块，所述压紧螺栓通过所述压紧块顶靠在扶手侧部。The bracket according to claim 9, wherein a top of the pressing bolt is provided with a pressing block, and the pressing bolt abuts against the side of the armrest by the pressing block.
根据权利要求6所述的托架，其特征在于，所述固定部件在所述基础连接件的底部设置有用于卡接在椅子的椅面板两侧边缘的卡槽；The bracket according to claim 6, wherein the fixing member is provided at the bottom of the base connector with a card slot for engaging at both side edges of the chair panel of the chair;

所述固定部件分为设置在所述左托板下方的左固定部件，和设置在所述右托板下方的右固定部件；The fixing member is divided into a left fixing member disposed under the left tray, and a right fixing member disposed under the right tray;

所述左固定部件和右固定部件分别通过卡槽卡装在椅面板的左右两侧，所述左固定部件和右固定部件之间通过连接件连接。The left fixing member and the right fixing member are respectively attached to the left and right sides of the seat panel through the card slot, and the left fixing member and the right fixing member are connected by a connecting member.
根据权利要求11所述的托架，其特征在于，所述连接件为设置在椅面板下方的拉伸弹簧，所述拉伸弹簧的两端分别与所述左固定部件和右固定部件连接，趋向于迫使所述左固定部件和右固定部件分别向中间移动并抵靠在椅面板的两侧；The bracket according to claim 11, wherein the connecting member is a tension spring disposed under the seat panel, and two ends of the tension spring are respectively connected to the left fixing member and the right fixing member. Facing to force the left fixing part and the right fixing part to move toward the middle and abut against both sides of the seat panel;

或者，所述连接件为在椅面板下方的连接杆，所述连接杆的两端分别与所述左固定部件和右固定部件可拆卸固定连接；Alternatively, the connecting member is a connecting rod below the seat panel, and two ends of the connecting rod are detachably and fixedly connected to the left fixing member and the right fixing member respectively;

或者，所述连接件为在椅面板下方的长度可调的伸缩杆，伸缩杆的两端分别与所述左固定部件和右固定部件可拆卸连接；伸缩杆包括连接杆、连接套和锁紧件；连接杆可滑动地插装在所述连接套内，所述锁紧件用于将两者固定连接。Alternatively, the connecting member is a length-adjustable telescopic rod below the seat panel, and two ends of the telescopic rod are respectively detachably connected to the left fixing member and the right fixing member; the telescopic rod includes a connecting rod, a connecting sleeve and a locking The connecting rod is slidably inserted into the connecting sleeve, and the locking member is used for fixedly connecting the two.
根据权利要求4所述的托架，其特征在于，所述左托板和右托板的底部设置有用于夹持所述基础连接件的夹子。The bracket according to claim 4, wherein the bottoms of the left and right pallets are provided with clips for gripping the base connector.
根据权利要求13所述托架，其特征在于，所述基础部件底部位于夹子头部滑动轨迹末端设置有卡槽或者卡块限位结构。The bracket according to claim 13, wherein the bottom of the base member is provided with a card slot or a card stop structure at the end of the sliding track of the clip head.
根据权利要求13所述的托架，其特征在于，所述夹子与所述左托板和右托板之间设置有滚珠。The bracket according to claim 13, wherein a ball is disposed between the clip and the left and right plates.
根据权利要求4所述的托架，其特征在于，还包括支撑悬臂，所述支撑悬臂包括臂节组和夹持座，所述夹持座枢接在所述臂节组的下端用于夹持连接椅子椅面板；所述臂节组的上端与所述横置部连接；其中，所述臂节组包括至少两个首尾枢接的臂节。The bracket according to claim 4, further comprising a support cantilever, the support cantilever comprising an arm set and a holder, the holder being pivotally connected to the lower end of the set of arms for clamping Holding the chair panel; the upper end of the arm set is coupled to the transverse portion; wherein the arm set includes at least two arm joints that are pivoted end to end.
根据权利要求1所述的托架，其特征在于，还包括俯仰调节机构，所述俯仰调节结构用于调节所述托板的前端抬起或落下的俯仰角度。The bracket according to claim 1, further comprising a pitch adjustment mechanism for adjusting a pitch angle at which the front end of the pallet is raised or dropped.
根据权利要求1所述的托架，其特征在于，所述托板上设置有笔架、手机架、小键盘架和/或水杯架。The bracket according to claim 1, wherein the pallet is provided with a pen holder, a mobile phone holder, a keypad holder and/or a water cup holder.
根据权利要求3所述的托架，其特征在于，所述纵置部的顶部设置有用于容纳所述横置部的沉槽，纵置部在所述沉槽内可升降地设置有升降板，所述横置部可翻转地设置在所述升降板上；横置部展开以及升降板抬起后，横置部和升降板的顶面与所述纵置部的顶面齐平；横置部向外侧翻转后并随升降板落入沉槽内后，横置部的底面与所述纵置部顶面齐平；The bracket according to claim 3, wherein a top portion of the longitudinal portion is provided with a sinking groove for accommodating the transverse portion, and the vertical portion is provided with a lifting plate in the sinking groove The transverse portion is reversibly disposed on the lifting plate; after the transverse portion is unfolded and the lifting plate is raised, the top surface of the transverse portion and the lifting plate are flush with the top surface of the longitudinal portion; After the portion is turned to the outside and the falling plate falls into the sinking groove, the bottom surface of the transverse portion is flush with the top surface of the longitudinal portion;

或者，所述横置部在90-180°范围内翻转，所述横置部翻转后竖立或者斜立在所述纵置部的上方。Alternatively, the transverse portion is turned over in the range of 90-180°, and the transverse portion is inverted or erected above the longitudinal portion.
一种带有权利要求1-19任一项所述托架的椅子，其特征在于，所述左托板和右托板通过所述固定部件分别设置在椅子的左右两侧；A chair with a bracket according to any one of claims 1 to 19, characterized in that the left and right pallets are respectively disposed on the left and right sides of the chair by the fixing members;

所述固定部件与所述椅子分体可拆卸连接设置，或者所述固定部件与所述椅子一体设置。The fixing member is detachably connected to the chair, or the fixing member is integrally provided with the chair.