CN209677902U - Swivel chair and its telescopic leg supporting mechanism - Google Patents
Swivel chair and its telescopic leg supporting mechanism Download PDFInfo
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- CN209677902U CN209677902U CN201920298475.1U CN201920298475U CN209677902U CN 209677902 U CN209677902 U CN 209677902U CN 201920298475 U CN201920298475 U CN 201920298475U CN 209677902 U CN209677902 U CN 209677902U
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- slidable adjustment
- plate
- adjustment plate
- thigh support
- sliding slot
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Abstract
The utility model relates to a kind of swivel chair and its telescopic leg supporting mechanisms.It solves the problems, such as that the prior art is at high cost.The telescopic leg supporting mechanism of this swivel chair, below seat plate, mechanism includes the fixing slide carriage for being fixed on seat plate lower surface, and the slidable adjustment plate being slidably connected with fixing slide carriage level, rear position limiting structure is equipped in the rear end of slidable adjustment plate and rear position limiting structure is for preventing slidable adjustment plate to be excessively detached from fixing slide carriage forward, front limit set is equipped in the front end sleeve of slidable adjustment plate, and the preceding banking pin of slidable adjustment front edge of board is set and preceding banking pin be blocked in front limit set on front side of, thigh support hanging deck is hinged in the front side of front limit set, tension spring is equipped between the lower surface of thigh support hanging deck and front limit set and tension spring forces thigh support hanging deck to collapse in the lower surface of slidable adjustment plate.Utility model has the advantages that at low cost and structure is simple.
Description
Technical field
The utility model belongs to swivel chair technical field more particularly to a kind of swivel chair and its telescopic leg supporting mechanism.
Background technique
Swivel chair, being used to rest or work for people uses.
In order to improve the comfort of swivel chair, its support plate that will increase leg of some swivel chairs, traditional support plate its
It is directly hinged on the front side of swivel chair, is needed in use, can leg-supporting after support plate is overturn.
Although above-mentioned scheme its have many advantages, such as, above-mentioned scheme its can not be suitable for different crowds, that is,
The position that plate can not be supported according to the length of leg is adjusted, and virtually reduces practicability.
For this purpose, such as Chinese patent discloses a kind of multifunctional rotating chair support device, application number:
201720472053.2 relating generally to chair accessories field.Including hollow support shell, support rod is worn in supporing shell, is propped up
Set the supporting plate being adapted with head above strut, set location hole on support rod, location hole include along support rod from top to bottom successively
The upper jack and lower jack being arranged, upper jack and lower jack can be exposed to outside supporing shell, further include being adapted with location hole
Positioning pluging rod, supporing shell bottom end sets support plate, sets several U-shaped runner brackets that Open Side Down, runner branch below support plate
Frame annular array arranges, the runner that rotation connection is adapted with swivel chair wheel on runner bracket.The program is the utility model has the advantages that can be square
Just user relies on swivel chair back, and head is placed in support device, is supported to head, expands bearing area,
User can relax and rest, and improve rest quality, can also turn down height and be placed in front of swivel chair, facilitate putting for people leg
Pine rest.
Its structure of above-mentioned scheme is complex, and production cost is higher.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems, to provide a kind of structure simple and at low cost, and convenient for adjusting
Swivel chair telescopic leg supporting mechanism.
In order to achieve the above objectives, the utility model uses following technical proposal: the telescopic leg of this swivel chair supports machine
Structure is located at below seat plate, and mechanism includes the fixing slide carriage for being fixed on seat plate lower surface, and slides and connect with fixing slide carriage level
The slidable adjustment plate connect is equipped with rear position limiting structure in the rear end of slidable adjustment plate and rear position limiting structure is for preventing slidable adjustment plate
It is excessively detached from fixing slide carriage forward, is equipped with front limit set in the front end sleeve of slidable adjustment plate, and be arranged before slidable adjustment plate
The preceding banking pin and preceding banking pin at end are blocked in front limit set front side, are hinged with thigh support hanging deck in the front side of front limit set,
Tension spring is equipped between the lower surface of thigh support hanging deck and front limit set and tension spring forces the gathering of thigh support hanging deck sliding
The lower surface of adjustable plate, current limit sleeve is moved along slidable adjustment plate rear end can force thigh support hanging deck to be put upwards clockwise
Dynamic and thigh support hanging deck lower surface is contacted with the upper surface of slidable adjustment plate.
Position limiting structure includes rear banking pin afterwards.
Fixing slide carriage is connect using several bolts with seat plate.
There is a notch on rear side of thigh support hanging deck, is respectively equipped with outside extended pin in the front end two sides of front limit set
Beam barrel is equipped with pin respectively in each pin shaft cylinder, and pin is inserted into the pin hole of notch two sides, that is, for articulated connection.
Fixing slide carriage and the slidable adjustment plate being slidably connected with fixing slide carriage can be arranged not according to different crowds
Same length, is not only simple in structure, and further improves practicability, meanwhile, it is convenient for adjusting and cost is lower.
It can collapse thigh support hanging deck tension spring, and thigh support hanging deck freely swings after avoiding gathering.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the fixing slide carriage is in bulk, in fixing slide carriage
Downside is equipped with the connection sliding slot being arranged along fixing slide carriage front-rear direction, connects the notch of sliding slot downward and connects the notch of sliding slot
Bore is less than the slot bottom width of connection sliding slot, and slidable adjustment plate inserts in connection sliding slot and the width of slidable adjustment plate is equal to connection
The notch bore of sliding slot.
Its elastic property that structure can be enhanced of the structure, at the same time it can also be convenient for assembly and disassembly, meanwhile, notch
Bore its can prevent from falling off.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the connection sliding slot notch two sides are equipped with opposite extend
Limitation protrusion, form above-mentioned connection sliding slot notch between two limitation protrusions.
Overall structural strength can be improved in it.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the connection sliding slot slot bottom two sides are respectively equipped with several
Along the protrusion one of connection track length direction setting, it is equipped with and institute in each limitation protrusion close to the one side of connection sliding slot slot bottom
The one-to-one protrusion two of the protrusion one stated, slidable adjustment plate and protrusion one and raised two sliding contacts.
It can play the role of structural strengthening and improve sliding ride comfort the structure, because reducing contact area.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the connection sliding slot slot bottom is equipped with and the connection
The corresponding groove body of sliding slot notch.
It can be in order to demoulding for the structure, and saves material.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the front limit set inner wall is equipped with along front limit set
The protrusion three of length direction setting, slidable adjustment plate and raised three sliding contacts.
There is rectangular opening in front limit set, is equipped on the upper hole wall and lower hole wall of rectangular opening several along rectangle hole length side
To the protrusion three of setting, the protrusion three being arranged on upper hole wall is arranged in a one-to-one correspondence with the protrusion three being arranged on lower hole wall.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the front limit set front side middle part, which is equipped with, supplies preceding limitation
The arc that pin accommodates limits recess；Be equipped with lower pillar on front side of described front limit set lower surface, thigh support hanging deck collapse after with
The lower end in contact of lower pillar.
It can expand contact area to arc limitation recess, at the same time it can also avoid due to mutually hitting caused damage.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the thigh support hanging deck lower surface is equipped with tension spring
Column, one end of tension spring are connected on tension spring column, before the other end of tension spring is connected on banking pin, the preceding banking pin and tension spring
Column is in a straight line.
The structure its can be fixed in order to the installation of tension spring.
In the telescopic leg supporting mechanism of above-mentioned swivel chair, the thigh support hanging deck lower surface is limited equipped with U-shaped
Making sheet, the opening of U-shaped restriction plate are connected at least one piece of guide plate at the interior middle part of U-shaped framing mask and lead towards front limit set
It is less than the width of U-shaped restriction plate to the width of plate, when the lower surface of thigh support hanging deck is contacted with the upper surface of slidable adjustment plate
When thigh support hanging deck front end stretch in U-shaped restriction plate and the upper surface of thigh support hanging deck is contacted with guide plate.
U-shaped restriction plate its can be excessively mobile to the rear end of slidable adjustment plate to avoid thigh support hanging deck.
According to swivel chair made of the telescopic leg supporting mechanism of the swivel chair.
Compared with prior art, the advantages of telescopic leg supporting mechanism of this swivel chair, is:
1, fixing slide carriage and the slidable adjustment plate being slidably connected with fixing slide carriage can be arranged according to different crowds
Different length is not only simple in structure, and further improves practicability, meanwhile, it is convenient for adjusting and cost is lower.
2, easy to promote and utilize.
Detailed description of the invention
Fig. 1 is thigh support hanging deck rounding state structural schematic diagram provided by the utility model.
Fig. 2 is the side present invention looks up structural representation of Fig. 1.
Fig. 3 is supporting mechanism structural schematic diagram provided by the utility model.
Fig. 4 is thigh support hanging deck flat structural schematic diagram provided by the utility model.
Fig. 5 is fixing slide carriage structural schematic diagram provided by the utility model.
Fig. 6 is front limit set provided by the utility model and thigh support hanging deck attachment structure schematic diagram.
Fig. 7 is revolving chair structure schematic diagram provided by the utility model.
Fig. 8 is the structural schematic diagram after removal support leg component provided by the utility model
Fig. 9 is removal seat plate provided by the utility model and the structural schematic diagram by behind.
Figure 10 is the structural schematic diagram before Fig. 9 is removed after linked frame.
Figure 11 is linking arm locking structure schematic diagram provided by the utility model.
Figure 12 is swinging frame structural schematic diagram provided by the utility model.
It is seat plate a1, fixing slide carriage a2, connection sliding slot a21, limitation protrusion a22, one a23 of protrusion, two a24 of protrusion, recessed in figure
Groove body a25, slidable adjustment plate a3, preceding banking pin a31, rear position limiting structure a32, front limit set a4, three a41 of protrusion, arc limitation
Recess a42, lower pillar a43, thigh support hanging deck a5, tension spring column a51, U-shaped restriction plate a52, guide plate a53, tension spring a6.
Specific embodiment
It is the specific embodiment of utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figs 1-4,
The telescopic leg supporting mechanism of this swivel chair is located at below seat plate a1, and mechanism includes being fixed on seat plate a1 following table
The fixing slide carriage a2 in face, and the slidable adjustment plate a3 being slidably connected with fixing slide carriage a2 level, after slidable adjustment plate a3
End is equipped with rear position limiting structure a32 and rear position limiting structure is for preventing slidable adjustment plate a3 to be excessively detached from fixing slide carriage a2 forward.
Slidable adjustment plate a3 is stripe board, is made of metal material or nonmetallic materials.
Position limiting structure includes the rear banking pin that the rear end slidable adjustment plate a3 is arranged in afterwards.When after banking pin and fixing slide carriage a2
Rear contact when, then illustrate retraction in place.
Front limit is equipped in the front end sleeve of slidable adjustment plate a3 and covers a4, and the preceding limit of the front end slidable adjustment plate a3 is set
Cotter a31 and preceding banking pin a31 are blocked on front side of front limit set a4, and rear banking pin and preceding banking pin a31 are parallel to each other.
Thigh support hanging deck a5 is hinged on front side of front limit set a4, the domed shape of thigh support hanging deck a5 and by plastics
It is made.
When thigh support hanging deck a5 is flattened, for the placement for leg.
Tension spring a6 is equipped between the lower surface of thigh support hanging deck a5 and front limit set a4 and tension spring a6 forces leg branch
It supports hanging deck a5 to collapse in the lower surface of slidable adjustment plate a3, current limit sleeve a4 is moved and can be forced along the rear end slidable adjustment plate a3
Thigh support hanging deck a5 is swung up clockwise and the lower surface of thigh support hanging deck a5 and the upper surface of slidable adjustment plate a3 connect
Touching.
Prioritization scheme is equipped with tension spring column a51 in the thigh support lower surface hanging deck a5, and one end of tension spring a6 is connected to tension spring column
On a51, before the other end of tension spring a6 is connected on banking pin a31, the preceding banking pin a31 and tension spring column a51 are in one
On straight line.
As shown in Fig. 3 and Fig. 5-6,
Secondly, the fixing slide carriage a2 of the present embodiment is equipped in the downside of fixing slide carriage a2 along fixing slide carriage a2 in bulk
The connection sliding slot a21 of front-rear direction setting, connects the notch of sliding slot a21 downward and the notch bore for connecting sliding slot a21 is less than company
The slot bottom width of sliding slot a21 is connect, slidable adjustment plate a3 is inserted in connection sliding slot a21 and the width of slidable adjustment plate a3 is equal to connection
The notch bore of sliding slot a21.
In addition, be equipped with opposite extended limitation protrusion a22 in connection sliding slot a21 notch two sides, two limitation protrusion a22 it
Between form above-mentioned connection sliding slot a21 notch.
Fixing slide carriage a2 and limitation protrusion a22 integrated injection molding.
Several protrusions one along connection sliding slot a21 length direction setting are respectively equipped in connection sliding slot a21 slot bottom two sides
A23 is equipped with one-to-one with one a23 of protrusion in the one side of each close connection sliding slot a21 slot bottom of limitation protrusion a22
Protrusion two a24, slidable adjustment plate a3 and one a23 of protrusion and raised two a24 sliding contacts.
Groove body a25 corresponding with the connection sliding slot a21 notch is equipped in connection sliding slot a21 slot bottom.
In addition, being equipped with three a41 of protrusion along front limit set a4 length direction setting in front limit set a4 inner wall, sliding is adjusted
Save plate a3 and raised three a41 sliding contacts.
Above-mentioned raised its can move smoothly to structural strengthening, at the same time it can also reduce contact area to improve
Property.
Middle part is equipped with the arc accommodated for preceding banking pin a31 and limits recess a42 on front side of front limit set a4；The preceding limit
Lower pillar a43, the lower end in contact after thigh support hanging deck a5 gathering with lower pillar a43 are equipped on front side of the set lower surface a4 of position.
It is equipped with U-shaped restriction plate a52 in the thigh support lower surface hanging deck a5, U-shaped restriction plate a52's is open towards front limit set
A4 is connected at least width of one piece of guide plate a53 and guide plate a53 at the interior middle part of U-shaped framing mask a and is less than U-shaped restriction plate
The width of a52, the thigh support hanging deck a5 when the upper surface of the lower surface of thigh support hanging deck a5 and slidable adjustment plate a3 contacts
Front end stretch in U-shaped restriction plate a52 and the upper surface of thigh support hanging deck a5 is contacted with guide plate a53.
When thigh support hanging deck a5 is swung up counterclockwise, tension spring at this time is elongated, and before being forced with external force
When limit sleeve a4 is slided to the rear end of slidable adjustment plate a3, the front end of slidable adjustment plate a3 extends downwardly into U in leading for guide plate a53
In shape framing mask a, it can be rocked U-shaped framing mask a to avoid thigh support hanging deck a5 swing, at the same time it can also play limit.
As shown in fig.7-12,
According to swivel chair made of the telescopic leg supporting mechanism of the swivel chair, including support leg component 6, and connection
Pedestal 2 on support leg component 6, is hinged with swinging frame 3 on rear side of 2 upper surface of pedestal, and swinging frame 3 is inclined rearwardly towards dividing into
It sets, the downside of backrest 1 is connect by articulated structure one with the middle part of swinging frame 3, and the downside of backrest 1 passes through articulated structure two and bottom
The downside connection of seat 2, is equipped between the upside and pedestal 2 of swinging frame 3 and moves downward for forcing to have on the upside of swinging frame 3
Thus by the docile tension spring part 4 in human body back of backrest 1, the front side of pedestal 2 and the rear side of preceding linked frame 5 are hinged and connected gesture,
Seat plate a1 is located at 5 top of swinging frame 3 and preceding linked frame, and the upside of swinging frame 3 and the rear side of seat plate a1 are articulated and connected, preceding linkage
The front side of frame 5 and the front side of seat plate a1 are articulated and connected, and handrail 7 are respectively arranged on the left side and the right side in seat plate a1, seat plate a1's
Lower surface is additionally provided with telescopic leg supporting mechanism a.
The swinging frame 3 being articulated and connected on rear side of 2 upper surface of pedestal, swinging frame 3 is inclined rearwardly towards lower setting, and swinging frame 3 is in
Inverted U-shape structure and swinging frame 3 is made of sheet metal bending.
The lower end two sides of swinging frame 3 are fixed on rear side of 2 upper surface of pedestal by fixator pins.
The downside of backrest 1 is connect by articulated structure one with the middle part of swinging frame 3, specifically, the hinged knot of the present embodiment
Structure one includes two articulated jibs 1 being parallel to each other, and one end of articulated jib 1 is fixed on the downside of backrest 1, articulated jib 1
The other end connect with the rear side of pedestal 2 by pin shaft 1；It is equipped with fixed plate 13 in the downside of backrest 1, articulated jib 1 is solid
It is scheduled on the both ends of fixed plate 13.
Fixed plate 13 and articulated jib 1 are integrally formed, and are made of sheet metal.
The downside of backrest 1 is connect by articulated structure two with the downside of pedestal 2, and specifically, articulated structure two includes two
The articulated jib 2 14 being parallel to each other is equipped with the U-board 15 being located between two pieces of articulated jibs 1, U-board 15 in fixed plate 13
Both ends pass through one end of articulated shaft one and one piece articulated jib 2 14 respectively and connect, the other end of articulated jib 2 14 passes through articulated shaft
Two connect with the both ends of swinging frame 3 upside.
U-board 15 is made of sheet metal.
Be connected with two pieces of support arms 30 on the upside of swinging frame 3, two pieces of support arms 30 be parallel to each other and by articulated shaft three with
Connection on rear side of seat plate a1.
Support arm 30 and swinging frame 3 are integrally formed.
Between the upside and pedestal 2 of swinging frame 3 be equipped with for force on the upside of swinging frame 3 have move downward trend to
By the docile tension spring part 4 in human body back of backrest 1, the tension spring part 4 of the present embodiment has two and two tension spring parts 4 are parallel to each other.
Tension spring part 4 is inclined to set, and tension spring part 4 and swinging frame 3 form the angle greater than 90 °.
One end of tension spring part 4 is hooked in the tension spring hole of 3 upside of swinging frame, and the other end of tension spring part 4 is hooked in base upper surface
Spring-pulling ring in.
Also be additionally provided with outer cover 10 in pedestal, the upside of outer cover 10 there are spacing breach 100, when support arm 30 to lower swing with
100 bottom of spacing breach then indicates that support arm 30 swings to extreme position when contacting.
The front side of pedestal 2 and the rear side of preceding linked frame 5 are hinged and connected, hinged axis connection before the two passes through one.
Seat plate a1 is located at 5 top of swinging frame 3 and preceding linked frame, and the upside of swinging frame 3 hingedly connects with the rear side of seat plate a1
It connects, that is, being connected to the support arm 30 on the upside of swinging frame 3, it is connect by upper swivel pin with the rear side of seat plate a1.
The front side of preceding linked frame 5 and the front side of seat plate a1 are articulated and connected.The two passes through a hinged axis body connection.
The limits device 21 being located in swinging frame 3 is equipped in 2 upper surface of pedestal, specifically, limits device 21 is for preventing
3 upside of swinging frame is excessively to lower swing；The limits device 21 of the present embodiment includes that the inverted U-shaped limitation of 2 upper surface of pedestal is arranged in
The outer top of frame, inverted U-shaped framing mask is equipped with and the consistent inclination limitation face of 3 inclined direction of swinging frame.
It is equipped between pedestal 2 and the upside of swinging frame 3 for swinging locking between pedestal 2 and swinging frame 3, Yi Jiqu
Disappear the control mechanism of locking between pedestal 2 and swinging frame 3.Specifically, the control mechanism of the present embodiment includes being arranged in swinging frame 3
The locking through hole 31 in left side and/or right side is equipped with several lock grooves 311 in the downside hole wall of locking through hole 31, and lock groove 311 is in
Staged distribution, is equipped with manipulation bull stick 32 in the left side of pedestal 2 or right side, is connected with connection in the inner end of manipulation bull stick 32
Arm 33 is fixed with the locking rod 34 that can be stuck in any one lock groove 311 on linking arm 33.
Two pieces of linking arms being parallel to each other 33 are connected in manipulation 32 inner end of bull stick, two pieces of linking arms 33 are located at swinging frame 3
Two outer side surfaces in left side or right side, locking rod 34 are threaded through described respectively through the both ends of locking through hole 31 and locking rod 34
The one end of linking arm 33 far from manipulation bull stick 32, is equipped with linking arm locking structure between any one piece of linking arm 33 and pedestal 2.
Secondly, as shown in figs. 9-11,
The linking arm locking structure of the present embodiment includes the fixed block 22 that 2 upper surface of pedestal is arranged in, and is arranged in office
The U-shaped block 23 anticipated on one piece of linking arm 33 is equipped with the bulb-shaped recess 231 of several discrete arrangements in the middle part of the outer surface of U-shaped block 23,
Transverse holes 221 are equipped with close to the one side of the bulb-shaped recess 231 in fixed block 22, and insert in the lock pin 24 in transverse holes 221,
One end of transverse holes 221 is directed at the one side that above-mentioned linking arm 33 is equipped with bulb-shaped recess 231, and one end of lock pin 24 has and spherical shape
The arc convex 241 that recess 231 matches is equipped with spring 25, spring 25 between the other end and transverse holes 221 of lock pin 24
It forces and is inserted into one end that lock pin 24 is equipped with arc convex 241 when lock pin 24 is directed at any one bulb-shaped recess 231
In bulb-shaped recess 231.
It is equipped with the locating slot for the merging of manipulation 32 inner end of bull stick in 2 side of pedestal, manipulation 32 inner end of bull stick is stuck in described
It is rotatablely connected in locating slot and with locating slot, is equipped on pedestal 2 by the closed Y shape sealing seat 26 of locating slot notch, two pieces of companies
It connects arm 33 to be placed in the opening of Y shape sealing seat 26, Y shape sealing seat 26 is fixed on pedestal 2 by pressing plate 27.The both ends of pressing plate 27
It is equipped with screw, bolt is connect with whorl of base.
In the present embodiment,
When people is sitting on seat plate, since tilting forward and back for human body causes center of gravity to change, and the angle of seat plate also with
Change, 3 angle of swinging frame at this time, which also synchronizes, to change, and by articulated structure one and two, it links, backrest
Angle two tension spring parts can also changing, and design, that is, tension spring can force backrest actively to go the people that reclines
Body back.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. the telescopic leg supporting mechanism of swivel chair is located at below seat plate (a1), which is characterized in that mechanism includes being fixed on seat
The fixing slide carriage (a2) of the lower surface plate (a1), and the slidable adjustment plate (a3) being slidably connected with fixing slide carriage (a2) level, In
The rear end of slidable adjustment plate (a3) is equipped with rear position limiting structure and rear position limiting structure is for preventing slidable adjustment plate (a3) excessively forward
It is detached from fixing slide carriage (a2), is equipped with front limit set (a4) in the front end sleeve of slidable adjustment plate (a3), and be arranged in slidable adjustment
The preceding banking pin (a31) and preceding banking pin (a31) of the front end plate (a3) are blocked on front side of front limit set (a4), at front limit set (a4)
Front side be hinged with thigh support hanging deck (a5), be equipped between the lower surface and front limit set (a4) of thigh support hanging deck (a5)
Tension spring (a6) and tension spring (a6) force thigh support hanging deck (a5) to collapse in the lower surface of slidable adjustment plate (a3), current limit sleeve
(a4) thigh support hanging deck (a5) can be forced to be swung up and thigh support clockwise along slidable adjustment plate (a3) rear end movement
The lower surface of hanging deck (a5) is contacted with the upper surface of slidable adjustment plate (a3).
2. the telescopic leg supporting mechanism of swivel chair according to claim 1, which is characterized in that the fixing slide carriage
(a2) in bulk, the connection sliding slot being arranged along fixing slide carriage (a2) front-rear direction is equipped in the downside of fixing slide carriage (a2)
(a21), it connects the notch of sliding slot (a21) downward and the notch bore for connecting sliding slot (a21) is less than the slot bottom of connection sliding slot (a21)
Width, slidable adjustment plate (a3) inserts in connection sliding slot (a21) and the width of slidable adjustment plate (a3) is equal to connection sliding slot (a21)
Notch bore.
3. the telescopic leg supporting mechanism of swivel chair according to claim 2, which is characterized in that the connection sliding slot
(a21) notch two sides are equipped with opposite extended limitation protrusion (a22), form above-mentioned connection between two limitation protrusions (a22)
Sliding slot (a21) notch.
4. the telescopic leg supporting mechanism of swivel chair according to claim 3, which is characterized in that the connection sliding slot
(a21) slot bottom two sides are respectively equipped with several protrusions one (a23) along connection sliding slot (a21) length direction setting, in each limit
Protrusion (a22) processed is equipped with and the one-to-one protrusion two of the protrusion one (a23) close to the one side of connection sliding slot (a21) slot bottom
(a24), slidable adjustment plate (a3) and one (a23) of protrusion and raised two (a24) sliding contacts.
5. the telescopic leg supporting mechanism of swivel chair according to claim 3, which is characterized in that the connection sliding slot
(a21) slot bottom is equipped with groove body (a25) corresponding with connection sliding slot (a21) notch.
6. the telescopic leg supporting mechanism of swivel chair according to claim 1, which is characterized in that the front limit set
(a4) inner wall is equipped with the protrusion three (a41) being arranged along front limit set (a4) length direction, slidable adjustment plate (a3) and protrusion three
(a41) sliding contact.
7. the telescopic leg supporting mechanism of swivel chair according to claim 1, which is characterized in that the front limit set
(a4) front side middle part is equipped with the arc accommodated for preceding banking pin (a31) and limits recess (a42)；Described front limit set (a4) following table
It is equipped with lower pillar (a43) on front side of face, the lower end in contact after thigh support hanging deck (a5) gathering with lower pillar (a43).
8. the telescopic leg supporting mechanism of swivel chair according to claim 1, which is characterized in that the thigh support is outstanding
The plate lower surface (a5) is equipped with tension spring column (a51), and one end of tension spring (a6) is connected on tension spring column (a51), tension spring (a6) it is another
End is connected on preceding banking pin (a31), and the preceding banking pin (a31) and tension spring column (a51) are in a straight line.
9. the telescopic leg supporting mechanism of swivel chair according to claim 1, which is characterized in that the thigh support is outstanding
The plate lower surface (a5) is equipped with U-shaped restriction plate (a52), and the opening of U-shaped restriction plate (a52) is limited towards front limit set (a4) in U-shaped
The interior middle part of frame (a) is connected at least width of one piece of guide plate (a53) and guide plate (a53) less than U-shaped restriction plate (a52)
Width, the thigh support hanging deck (a5) when the lower surface of thigh support hanging deck (a5) and the upper surface of slidable adjustment plate (a3) contact
Front end stretch in U-shaped restriction plate (a52) and the upper surface of thigh support hanging deck (a5) is contacted with guide plate (a53).
10. swivel chair made of the telescopic leg supporting mechanism of swivel chair described in -9 any one according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298475.1U CN209677902U (en) | 2019-03-08 | 2019-03-08 | Swivel chair and its telescopic leg supporting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920298475.1U CN209677902U (en) | 2019-03-08 | 2019-03-08 | Swivel chair and its telescopic leg supporting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209677902U true CN209677902U (en) | 2019-11-26 |
Family
ID=68604161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920298475.1U Active CN209677902U (en) | 2019-03-08 | 2019-03-08 | Swivel chair and its telescopic leg supporting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209677902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864483A (en) * | 2019-03-08 | 2019-06-11 | 浙江粤强家具科技有限公司 | Swivel chair and its telescopic leg supporting mechanism |
-
2019
- 2019-03-08 CN CN201920298475.1U patent/CN209677902U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109864483A (en) * | 2019-03-08 | 2019-06-11 | 浙江粤强家具科技有限公司 | Swivel chair and its telescopic leg supporting mechanism |
| CN109864483B (en) * | 2019-03-08 | 2023-12-29 | 浙江粤强家具科技有限公司 | Swivel chair and telescopic leg support mechanism thereof |
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