CN209018157U - Multiple degrees of freedom training chair - Google Patents

Multiple degrees of freedom training chair Download PDF

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Publication number
CN209018157U
CN209018157U CN201821383779.XU CN201821383779U CN209018157U CN 209018157 U CN209018157 U CN 209018157U CN 201821383779 U CN201821383779 U CN 201821383779U CN 209018157 U CN209018157 U CN 209018157U
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China
Prior art keywords
board
support frame
strut
sliding
hole
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CN201821383779.XU
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Chinese (zh)
Inventor
李胜利
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Nanjing Xingxia Furniture Co Ltd
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Nanjing Xingxia Furniture Co Ltd
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Abstract

The utility model discloses a kind of multiple degrees of freedom training chairs, it applies in field of furniture, solves the technical issues of board can not rotate, its key points of the technical solution are that including the bracket of X-shaped, the chair back being fixed on bracket, seat, the bracket includes the first strut arranged in a crossed manner, the second strut for fixing the chair back, support frame is equipped with along the direction for being parallel to first strut on first strut, the horizontal ends of support frame as described above are rotatably connected to board, and board is rotated around the horizontal ends of support frame;What is had has the technical effect that user sits on chair and stands up from chair.

Description

Multiple degrees of freedom training chair
Technical field
The utility model relates to the fields of furniture, more specifically, it relates to a kind of multiple degrees of freedom training chair.
Background technique
It trains chair and is used for lecture and meeting room, while facilitating people to be sitting on chair, convenient for recording the note.
Currently, the Chinese patent that notification number in the market is CN203506110U discloses a kind of training chair, its chair leg With the seat being set in chair leg, the seat bottom is also connected with a magazine, the magazine include under(-)chassis and It is hingedly connected to the hanging frame of under(-)chassis axial sides, the lower end of the hanging frame is articulated with under(-)chassis and around bottom The upper end of frame member, the hanging frame is flexibly connected with seat bottom.
This training chair, its board are fixed on chair, it has not been convenient to be rotated, to cause user can only be from side Face is sat on chair, neither convenient for users to sitting on chair while also person inconvenient to use stands up.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of multiple degrees of freedom training chair, Advantage is that board is rotated, convenient for users to taking on chair and standing up from chair convenient for user.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of multiple degrees of freedom training Chair, bracket including X-shaped, the chair back, the seat being fixed on bracket, the bracket include the first strut arranged in a crossed manner, are used for The second strut of the chair back is fixed, the direction that edge is parallel to first strut on first strut is equipped with support frame, the branch The horizontal ends of support are rotatably connected to board, and the lower end of the board is equipped with lug boss, and the lug boss is in the horizontal direction Connecting hole is offered, the connecting hole includes the circular hole cooperated for support frame as described above, the radian being provided on circular hole greater than 90 ° small It is equipped with raised line in horizontal on 360 ° of arc groove, support frame as described above, the raised line sliding is connected in arc groove.
Through the above technical solutions, being rotatably connected to board on support frame, enable board around the water of support frame Flush end rotation, when need using when, rotary writing board so that board is horizontal positioned, convenient for writing, when do not need using When, board can be placed vertically.Raised line cooperates in arc groove, when raised line is contradicted onto the side wall of arc groove, Board is exactly in horizontality at this time, even if board is by power straight down, raised line is contradicted in the side of arc groove On wall, limitation board is continued to rotate, so that it is guaranteed that it is able to bear power straight down after board is in horizontality, During ensuring to write, board is in stable state.When user needs to be sitting on chair and needs from chair When standing up, it can switch to place vertically so that board has to be horizontally arranged with rotary writing board, so that user will not be hindered, side Just user sits down and stands up.
The utility model is further arranged to: the side of the bracket is equipped with attachment base, and edge is parallel on the attachment base The direction of first strut offers slip hole, and support frame as described above sliding is connected in the slip hole.
Through the above technical solutions, support frame can slide in slip hole, so as to adjust the height of support frame, from And convenient for adjusting the height of board, to adapt to the user of different height.Since support frame is inclination relative to vertical direction Setting, when user, which lies prone, to write on writing cardboard, so that board will receive power vertically downward, the sliding side with support frame To there are oblique angles, thus can be stuck on attachment base by support frame, to play the role of manufactured.
The utility model is further arranged to: gear hole is offered along the direction perpendicular to slip hole on the attachment base, Gear is equipped in the gear hole, support frame as described above includes the rack gear for sliding section, being fixed on sliding section lower end, the rack gear sliding It is connected in the slip hole and is engaged with the gear.
Through the above technical solutions, gear rotates, the rack gear being meshed with gear is driven to move up and down, rack gear and support frame One, so that support frame moves up and down, the final function of realizing support frame and move up and down.
The utility model is further arranged to: the connecting shaft being overlapped with the axis of gear is fixedly connected on the gear, The connecting shaft is equipped with the protruding shaft of more ribs far from the end face of the gear, is connected with rocking handle in the protruding shaft.
Through the above technical solutions, rocking handle is connected in more rib protruding shafts, when rocking handle rotation, connecting shaft is driven to turn together Dynamic, connection shaft driven gear rotates together.Rocking handle finally makes on rack gear convenient for rotation connection axis to facilitate rotate gear Mobile is more convenient.
The utility model is further arranged to: the lug boss include rotation connection the first link block on the support frame, The second link block being fixed on board, the upper end of first link block are equipped with connecting column, open in second link block Equipped with the pilot hole cooperated with connecting column, the upper end of the connecting column is equipped with annular ridge, is equipped with and annular in the pilot hole The annular groove of fin cooperation.
Through the above technical solutions, lug boss includes two parts of the first link block and the second link block and the first link block It is rotatablely connected between the second link block, so that board can not only be rotated around the axis of support frame horizontal ends, may be used also To be rotated around the axis of connecting column.When axis rotation of the board around connecting column, convenient for storage board.Ring on connecting column The cooperation of shape fin prevents the first link block from falling off from the second link block in the annular groove in pilot hole.
The utility model is further arranged to: the head of support frame as described above horizontal ends is used to prevent from writing equipped with what is turned down outward The flange that letter stencil falls off is arranged with rubber pad on the flange.
Through the above technical solutions, lug boss is first assembled in support frame, flange then is carried out to the head of support frame, is made Obtaining lug boss will not fall off from support frame.Flange hurts manpower in order to prevent, rubber pad is arranged in flange position, thus effectively The hand of protection people will not be hurt.
The utility model is further arranged to: the sliding section is set as flat intubation, is located on first strut The upper end of the attachment base is equipped with guide sleeve, and the sliding section sliding is connected in guide sleeve.
Through the above technical solutions, sliding section cooperation plays the role of guiding to support frame in guide sleeve;It is flat simultaneously Shape intubation has the function of anti-rotation compared with circle intubation.
The utility model is further arranged to: second strut includes beveled end, vertical end, the vertical end with it is described Arc section is equipped between beveled end.
Through the above technical solutions, the second strut is to form three sections by bench bending by a complete pipe, by It is big in the dog-ear of vertical end and beveled end, so that can be raised at dog-ear, while beauty is influenced, arc section plays excessive effect, Circular arc line is more beautiful simultaneously.
The utility model is further arranged to: the upper surface of the attachment base is equipped with retaining mechanism, the retaining mechanism packet Include be fixed on attachment base upper end sliding rail, sliding be connected to limited block in sliding rail, the limited block is interference fitted in the sliding rail In, gap direction sliding of the limited block between the adjacent teeth for being inserted into the rack gear.
Through the above technical solutions, limited block contradicts between the adjacent gear teeth of rack gear, so that rack gear is in movement, from And prevent rack gear whereabouts from causing board unstable.Limited block is interference fitted in sliding rail, so that only under artificial promotion Limited block could be pushed, to prevent limited block from falling off from rack gear.
The utility model is further arranged to: the board is set as two, is located at the two sides of seat and described writes The total length of letter stencil is less than the width of seat.
Through the above technical solutions, many times, various training sessions of attending a lecture all are to need band books and notebook, by It is smaller in the area of board, it causes that books and notebook, the setting of two boards can not be put down simultaneously, so that one is write Plate puts books, and a board puts notebook, more convenient to use, while the personnel for also left hand being easy to use to write use.
In conclusion the utility model has the following beneficial effects:
1, board can be rotated around support frame, both convenient for storage, while will not hinder user be sitting on chair and It stands from chair;
2, support frame can be can be adjusted up and down in height, so as to adjust the height of board, convenient for making for different heights With.
Detailed description of the invention
Fig. 1 is the whole structural schematic diagram of the present embodiment;
Fig. 2 is the attachment base of the present embodiment and the structural schematic diagram of support frame;
Fig. 3 is enlarged drawing at A in Fig. 2;
Fig. 4 is the structural schematic diagram of the lug boss of the present embodiment;
Fig. 5 is the L support frame and lug boss connecting tube schematic diagram of the present embodiment.
Appended drawing reference: 1, bracket;11, the first strut;12, the second strut;121, vertical end;122, beveled end;123, circle Segmental arc;2, the chair back;3, seat;4, support frame;41, horizontal ends;42, section is slid;43, rack gear;44, flange;45, rubber pad;46, Raised line;5, board;51, supporting block;52, lug boss;53, the first link block;531, connecting column;532, annular ridge;533, Connecting hole;534, arc groove;535, circular hole;54, the second link block;541, pilot hole;542, annular groove;6, attachment base;61, U-shaped Card slot;62, slip hole;63, gear hole;64, gear;65, connecting shaft;66, protruding shaft;67, guide sleeve;7, rocking handle;8, machine is locked Structure;81, sliding rail;82, limited block.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment: Fig. 1, a kind of multiple degrees of freedom training chair, bracket 1 including X-shaped, the chair back being fixed on bracket 1 are referred to 2, seat 3, bracket 1 include the first strut 11, the second strut 12, include beveled end 122, vertical end 121 on the second strut 12, incline Splay end 122 intersects with the first strut 11 in X-shaped, forms supporting leg, vertical end 121 is for fixing the chair back 2.Vertical end 121 with incline By gentle excessive of arc section 123 between splay end 122, so that training chair is more beautiful.
With reference to Fig. 2, attachment base 6 is fixed on the first strut 11, attachment base 6 can be bolted on the first strut It on 11, can also be fixed on by welding on the first strut 11, the present embodiment is preferably the mode welded.Attachment base 6 On open up U-shaped card slot 61, U-shaped card slot 61 is welded again after being connected on the first strut 11, the table of U-shaped card slot 61 and the first strut 11 Face paste is closed, so that it is guaranteed that attachment base 6 is arranged in parallel with the first strut 11.Slip hole 62 is processed on attachment base 6, is slided in slip hole 62 Shifting has support frame 4, and the axis of slip hole 62 is parallel with the length direction of the first strut 11, so that it is guaranteed that support frame 4 and first The length direction of bar 11 is parallel, when the sliding up and down in slip hole 62 of support frame 4, it is ensured that support frame 4 will not be with the first strut 11 encounter.
With reference to Fig. 2, support frame 4 includes the rack gear 43 slid connect in slip hole 62, the sliding for being fixed on 43 upper end of rack gear Section 42;Gear hole 63 is processed along the direction perpendicular to slip hole 62 on attachment base 6, gear 64, tooth are installed in gear hole 63 Wheel 64 is engaged with rack gear 43;When rotate gear 64, gear 64 is moved up and down with carry-over bar 43, from being fixed on support frame 4 Board 5(refers to Fig. 1) it can move up and down, enable adaptation to people of different heights.
Referring to figs. 2 and 3, connecting shaft 65 is fixed on gear 64, connecting shaft 65 is rotatably connected in attachment base 6, One end in connecting shaft 65 far from seat 3 processes the protruding shafts 66 of more ribs, is cased with rocking handle 7 in protruding shaft 66, on rocking handle 7 with protruding shaft 66 The metal block of clamping has magnetism, so that protruding shaft 66 can be sucked after 7 sets of rocking handle in protruding shaft 66, prevents rocking handle 7 from convex It is detached from axis 66.Rocking handle 7 is convenient for rotate gear 64, moves up and down consequently facilitating quickly adjusting support frame 4.
With reference to Fig. 3, retaining mechanism 8 is arranged in the upper end on attachment base 6, and retaining mechanism 8 is for preventing rack gear 43 from gliding.Lock Tight mechanism 8 includes the sliding rail 81 for being fixed on 6 upper end of attachment base, slides the limited block 82 being connected on sliding rail 81, and limited block 82 is in T Shape and limited block 82 is interference fitted in sliding rail 81 prevents limited block 82 so that limited block 82 could move under artificial push It falls off after being stuck in the gap between the adjacent teeth of rack gear 43, limit is caused to fail.
With reference to Fig. 2, guide sleeve 67, the sliding sliding connection of section 42 are set positioned at the top of attachment base 6 on the first strut 11 In guide sleeve 67, sliding section 42 is set as flat intubation, and when intubation cooperation is in guide sleeve 67, can play prevents from inserting The effect of pipe rotation, while 67 pairs of guide sleeve are intubated the effect for also playing guiding, horizontal ends 41 are arranged in the upper end of sliding section 42, Horizontal ends 41 and sliding section 42 are process by a columned pipe by stretch bending, and sliding section 42 is again by round tube hammer It beats and is process in flat.
With reference to Fig. 4, board 5(is rotatably connected to reference to Fig. 1) in horizontal ends 41, the lower end of board 5 is arranged fan-shaped Supporting block 51, supporting block 51 are bonded the shape of board 5 and play the role of reinforcing 5 intensity of board, set in supporting block 51 Lug boss 52(is set with reference to Fig. 2), lug boss 52 includes the second link block 54 being fixed in supporting block 51, is rotatablely connected support frame The first link block 53 on 4 processes connecting column 531 on the first link block 53, processing and connecting column on the second link block 54 The pilot hole 541 of 531 clearance fits processes annular ridge 532 in the upper end of connecting column 531, the corresponding annular in pilot hole 541 The position of fin 532 processes annular groove 542, and annular ridge 532 is forced through pilot hole 541 in the effect of external force and enters annular groove 542 In, to prevent the first link block 53 and the second link block 54 from mutually falling off, while 532 clearance fit of annular ridge is in annular groove In 542, convenient for mutually being rotated between the first link block 53 and the second link block 54.When board 5 is in a vertical state, at this time Board 5 can rotate down, convenient for the storage of board 5.
With reference to Fig. 5, connecting hole 533, connecting hole are opened up along the direction perpendicular to connecting column 531 on the first link block 53 533 include the connecting hole 533 cooperated for horizontal ends 41, the arc groove 534 being provided on circular hole 535,53 gap of the first link block Cooperation facilitates the first link block 53 to rotate around horizontal ends 41 in horizontal ends 41.Raised line 46 is processed in horizontal ends 41, raised line 46 is matched It closes in arc groove 534;The radian of arc groove 534 is greater than 90 ° and less than 360 °.When the first link block 53 rotates and contradicts in arc When the side wall of shape slot 534, board 5 is exactly in horizontality at this time, and cannot continue to rotate down, so that board 5 can support books.
With reference to Fig. 4, it is equipped with outside flange 44 in the port of horizontal ends 41, when the first link block 53 is assembled to horizontal ends 41 After upper, then it is by taper-type dropper that port support is big, to prevent the first link block 53 from falling off from horizontal ends 41;It is covered on flange 44 Rubber sleeve prevents the hand of people or other positions from being scratched.
With reference to Fig. 1, one board 5 is respectively set in the two sides of seat 3, two boards 5 increase the area of board 5, A board 5 is allowed to place book, another board 5 can place book, use convenient for user, while convenient for a left side The user of handwritten word uses, to improve the practicability and generality of training chair entirety, the total length of two boards 5 is less than The width of seat 3 will not be interfered when two boards 5 are in same plane.
Action process: rotation crank 7, so that rack gear 43 moves up and down, so that the height of support frame 4 is adjusted, so that writing Plate 5 fits well on the height of user;Rotary writing board 5 makes board 5 be in horizontality consequently facilitating user's recording pen Note;Play the host Thebe it is more when, two sides board 5 can be turned into horizontal position simultaneously;When not having to board 5, can incite somebody to action Board 5 stores, and uses as conventional chair.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but As long as all by the protection of Patent Law in the scope of the claims of the utility model.

Claims (10)

1. a kind of multiple degrees of freedom training chair, bracket (1) including X-shaped, the chair back (2), the seat (3) being fixed on bracket (1), institute Stating bracket (1) includes the first strut (11) arranged in a crossed manner, the second strut (12) for fixing the chair back (2), which is characterized in that Support frame (4) are equipped with along the direction for being parallel to first strut (11) on first strut (11), support frame as described above (4) Horizontal ends (41) are rotatably connected to board (5), and the lower end of the board (5) is equipped with lug boss (52), the lug boss (52) it offers in the horizontal direction connecting hole (533), the connecting hole (533) includes the circular hole for support frame as described above (4) cooperation (535), the radian being provided on circular hole (535) is greater than 90 ° of arc grooves (534) less than 360 °, level on support frame as described above (4) Equipped with raised line (46), raised line (46) sliding is connected in arc groove (534).
2. multiple degrees of freedom training chair according to claim 1, which is characterized in that the side of the bracket (1) is equipped with connection Seat (6) offers slip hole (62), the support along the direction for being parallel to first strut (11) on the attachment base (6) Frame (4) sliding is connected in the slip hole (62).
3. multiple degrees of freedom training chair according to claim 2, which is characterized in that along perpendicular to cunning on the attachment base (6) The direction for moving hole (62) offers gear hole (63), is equipped with gear (64) in the gear hole (63), and support frame as described above (4) includes Sliding section (42), the rack gear (43) for being fixed on sliding section (42) lower end, rack gear (43) sliding are connected to the slip hole (62) it is engaged in and with the gear (64).
4. multiple degrees of freedom training chair according to claim 3, which is characterized in that be fixedly connected on the gear (64) with The connecting shaft (65) that the axis of gear (64) is overlapped, the connecting shaft (65) are equipped with more ribs far from the end face of the gear (64) Protruding shaft (66), be connected with rocking handle (7) on the protruding shaft (66).
5. multiple degrees of freedom training chair according to claim 1, which is characterized in that the lug boss (52) includes rotation connection In the first link block (53) on support frame (4), the second link block (54) for being fixed on board (5), first connection The upper end of block (53) is equipped with connecting column (531), and the assembly with connecting column (531) cooperation is offered in second link block (54) Hole (541), the upper end of the connecting column (531) are equipped with annular ridge (532), are equipped in the pilot hole (541) and convex annular The annular groove (542) of rib (532) cooperation.
6. multiple degrees of freedom training chair according to claim 4, which is characterized in that support frame as described above (4) horizontal ends (41) Head is equipped with the flange (44) for preventing board (5) from falling off turned down outward, is arranged with rubber pad on the flange (44) (45)。
7. multiple degrees of freedom training chair according to claim 3, which is characterized in that the sliding section (42) is set as flat It is intubated, the upper end that the attachment base (6) are located on first strut (11) is equipped with guide sleeve (67), and the sliding section (42) is sliding Shifting is connected in guide sleeve (67).
8. multiple degrees of freedom training chair according to claim 1, which is characterized in that second strut (12) includes beveled end (122), vertical end (121) are equipped with arc section (113) between the vertical end (121) and the beveled end (122).
9. multiple degrees of freedom training chair according to claim 4, which is characterized in that the upper surface of the attachment base (6) is equipped with Retaining mechanism (8), the retaining mechanism (8) are connected to sliding rail including being fixed on the sliding rail (81) of attachment base (6) upper end, sliding (81) limited block (82) in, the limited block (82) are interference fitted in the sliding rail (81), and the limited block (82) is along insertion institute State the gap direction sliding between the adjacent teeth of rack gear (43).
10. multiple degrees of freedom training chair according to claim 1, which is characterized in that the board (5) is set as two, point Not Wei Yu seat (3) two sides and the board (5) total length be less than seat (3) width.
CN201821383779.XU 2018-08-25 2018-08-25 Multiple degrees of freedom training chair Active CN209018157U (en)

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CN201821383779.XU CN209018157U (en) 2018-08-25 2018-08-25 Multiple degrees of freedom training chair

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821383779.XU CN209018157U (en) 2018-08-25 2018-08-25 Multiple degrees of freedom training chair

Publications (1)

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CN209018157U true CN209018157U (en) 2019-06-25

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CN201821383779.XU Active CN209018157U (en) 2018-08-25 2018-08-25 Multiple degrees of freedom training chair

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110680109A (en) * 2019-10-10 2020-01-14 浙江华康家具有限公司 Auditorium chair
WO2022053849A1 (en) * 2020-09-08 2022-03-17 Xiaomeng Wang Positionally adjustable tray and its mounting system integrated with motion sensor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110680109A (en) * 2019-10-10 2020-01-14 浙江华康家具有限公司 Auditorium chair
WO2022053849A1 (en) * 2020-09-08 2022-03-17 Xiaomeng Wang Positionally adjustable tray and its mounting system integrated with motion sensor

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