CN209219606U - A kind of expansion bracket - Google Patents
A kind of expansion bracket Download PDFInfo
- Publication number
- CN209219606U CN209219606U CN201821586217.5U CN201821586217U CN209219606U CN 209219606 U CN209219606 U CN 209219606U CN 201821586217 U CN201821586217 U CN 201821586217U CN 209219606 U CN209219606 U CN 209219606U
- Authority
- CN
- China
- Prior art keywords
- motion bar
- mounting rack
- seat plate
- plate
- mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a kind of expansion bracket, including backrest mounting rack, seat plate mounting rack, telescopic pedal frame and support base, backrest mounting rack is installed on above seat plate mounting rack, telescopic pedal frame is connected to outside the left and right sides of seat plate mounting rack, seat plate mounting rack is installed in support base, telescopic pedal frame includes swing connecting plate, second motion bar front end outer side face, seat plate mounting rack lateral surface is equipped with installation protrusion, second motion bar and third motion bar junction are provided close at third motion bar front end, the tail end of secondary support rod is movably installed on mounting plate, the 5th motion bar is also movably installed with close to pair mounting rod front end and secondary support rod junction, 5th motion bar tail end is connected with auxiliary support bar, the tail end of auxiliary support bar is movably installed on mounting plate.The design of the utility model structure is simple and reliable, is mounted in the seats such as couch, and when adjusting chair rides equal components, more stable comfortable, material thickeies, and load-bearing is big.
Description
Technical field
The utility model relates to frame for movement technical field, and in particular to a kind of expansion bracket.
Background technique
Chair frame is the skeleton place of seat, is used to support the use of entire seat, is the force part of entire seat.
The chair frame of traditional Chinese chair usually will appear for a long time using local deformation, and foot-operated stretch has some setbacks, ride unstable
A series of problems, such as, structural strength is poor, and load-bearing capacity is weaker, and since the deformation of part can frequently result in seat placement and make
With unstable, comfort is poor.
Utility model content
In view of above-mentioned background, a kind of expansion bracket of the utility model, structure design is simple and reliable, is mounted on the seats such as couch
In, when adjusting chair rides equal components, more stable comfortable, material thickeies, and load-bearing is big.In order to realize above-mentioned technical proposal, this reality
It is adopted the following technical scheme that with novel
A kind of expansion bracket, including backrest mounting rack, seat plate mounting rack, telescopic pedal frame and support base, the backrest peace
It shelves and is installed on above seat plate mounting rack, the telescopic pedal frame is connected to outside the left and right sides of seat plate mounting rack, institute
It states seat plate mounting rack to be installed in support base, the telescopic pedal frame includes swing connecting plate, the swing connecting plate one
End is movably connected on the seat plate mounting rack back lower place, and the other end is connected with the first motion bar, and the first motion bar tail end is living
Dynamic to be connected with the second motion bar, the second motion bar front end outer side face, seat plate mounting rack lateral surface, which are equipped with, installs protrusion, and two
It is equipped with rebound spring between installation protrusion, the second motion bar tail end is connected with third motion bar, and described second
Motion bar and third motion bar junction are provided close at third motion bar front end, and third motion bar front end is movably connected on
Seat plate mounting rack front end, the third motion bar tail end are connected with main support rod, the tail end activity peace of the main support rod
Equipped with mounting plate, the 4th motion bar is also connected at seat plate mounting rack front end, the 4th motion bar and seat plate are pacified
Shelve the front that front end junction is set to third motion bar front end and seat plate mounting rack front end junction, the 4th motion bar tail
End is movably installed with secondary mounting rod and at the 4th motion bar tail end and close to activity phase at the main support rod front end
Even, secondary support rod is connected at the secondary mounting rod front end, the tail end of the pair support rod is movably installed in installation
On plate, the 5th motion bar, the 5th activity are also movably installed with close to the secondary mounting rod front end and secondary support rod junction
Bar tail end is connected with auxiliary support bar, and the tail end of the auxiliary support bar is movably installed on mounting plate.
A kind of expansion bracket provided by the utility model, can be further arranged to the support base includes bottom support frame
With installation support plate, the bottom support frame is set to the bottom of support base, and the installation support plate is symmetrically arranged on bottom branch
The two sides of support frame.
A kind of expansion bracket provided by the utility model, can be further arranged to the seat plate mounting rack includes main installation
Frame, handrail mounting plate and seat plate mounting plate, the main mounting rack are fixedly installed in installation support plate, the handrail mounting plate peace
Loaded on main mounting rack upper outer two sides, the seat plate mounting plate is installed on main mounting rack upper interior two sides.
A kind of expansion bracket provided by the utility model, can be further arranged to the backrest mounting rack includes back support rod
With backrest mounting plate, the backrest mounting plate is respectively symmetrically installed on the rear upper two sides of seat plate mounting rack, two backrests
Back support rod is installed, the back support rod is set to the rear of backrest mounting plate between mounting plate.
In conclusion a kind of expansion bracket of the utility model, foot-operated to install by mounting plate and secondary mounting rod, work as user
Foot is stepped on foot-operated when stretching, and mounting plate pulls main support rod movement, and main support rod pulls the movement of third motion bar, third motion bar
The second motion bar is pulled to act, the second motion bar pulls the movement of the first motion bar, and the first motion bar, which pulls, swings connecting plate to put
Dynamic connecting plate and seat plate mounting rack back lower place junction are that basic point carries out limit swing, the second motion bar front end outer side face, seat plate
Mounting rack lateral surface is equipped with installation protrusion, is equipped with rebound spring between two installation protrusions, can be living for second by rebound spring
Lever provides rebound pulling force to for entire telescopic pedal frame provide screen resilience, meanwhile, secondary mounting rod the 4th motion bar of pulling with
4th motion bar and seat plate mounting rack front end junction are that basic point carries out limit swing, close to pair mounting rod front end and secondary support rod
Junction is also movably installed with the 5th motion bar, and the 5th motion bar tail end is connected with auxiliary support bar, auxiliary support bar
Tail end is movably installed on mounting plate, and the limit for swinging up and down adjusting can be provided for mounting plate when trampling, and structure design is simple
Reliably, it is mounted in the seats such as couch, when adjusting chair rides equal components, more stable comfortable, material thickeies, and load-bearing is big, props up
Support pedestal includes bottom support frame and installation support plate, and bottom support frame is set to the bottom of support base, and installation support plate is symmetrical
The two sides of bottom support frame are installed on, support base supporting & stablizing is secured, and seat plate mounting rack includes main mounting rack, handrail mounting plate
With seat plate mounting plate, main mounting rack is fixedly installed in installation support plate, and main mounting rack is securely steady under the support of support base
Fixed, comfort is good, and handrail mounting plate is installed on main mounting rack upper outer two sides, handrail installation convenience, the installation of seat plate mounting plate
In main mounting rack upper interior two sides, seat plate installation convenience, convenient for the later period replacement maintenance, backrest mounting rack include back support rod and
Backrest mounting plate, backrest mounting plate are respectively symmetrically installed on the rear upper two sides of seat plate mounting rack, and backrest installation convenience, two lean on
Back support rod is installed, back support rod is set to the rear of backrest mounting plate, support can be provided for backrest, uses between back mounting plate
Intensity is high, and comfort is good.
Detailed description of the invention
With reference to the accompanying drawing preferred embodiments of the present invention describe in detail or preferably, wherein
Fig. 1 is a kind of structural schematic diagram of expansion bracket of the utility model；
Fig. 2 is a kind of structural schematic diagram of expansion bracket of the utility model.
Specific embodiment
A kind of expansion bracket of the utility model is described further with reference to figures 1 through attached drawing 2:
Involved a kind of expansion bracket in the utility model, including backrest mounting rack 1, seat plate mounting rack 2, telescopic pedal frame 3
With support base 4, the backrest mounting rack 1 is installed on 2 top of seat plate mounting rack, and the telescopic pedal frame 3 is connected to seat
Outside the left and right sides of board mounting stand 2, the seat plate mounting rack 2 is installed in support base 4, and the backrest mounting rack 1 includes
Back support rod 21 and backrest mounting plate 22, the backrest mounting plate 22 are respectively symmetrically installed on the rear upper of seat plate mounting rack 2
Two sides, back support rod 21 is equipped between the two backrest mounting plates 22, and the back support rod 21 is set to backrest mounting plate 22
Rear, the support base 4 include bottom support frame 23 and installation support plate 24, and the bottom support frame 23 is set to support base
4 bottom, the installation support plate 24 are symmetrically arranged on the two sides of bottom support frame 23, and the seat plate mounting rack 2 includes main peace
18, handrail mounting plate 19 and seat plate mounting plate 20 are shelved, the main mounting rack 18 is fixedly installed in installation support plate 24, described
Handrail mounting plate 19 is installed on main 18 upper outer two sides of mounting rack, and the seat plate mounting plate 20 is installed on main 18 top of mounting rack
Internal two sides, the telescopic pedal frame 3 include to swing connecting plate 5, and described 5 one end of swing connecting plate is movably connected on seat plate peace
2 back lower places are shelved, the other end is connected with the first motion bar 6, and 6 tail end of the first motion bar is connected with the second activity
Bar 7, the 7 front end outer side face of the second motion bar, 2 lateral surface of seat plate mounting rack are equipped with installation protrusion 8, the two installation protrusions
Rebound spring 9 is equipped between 8,7 tail end of the second motion bar is connected with third motion bar 10, second motion bar 7
It is provided close at 10 front end of third motion bar with 10 junction of third motion bar, 10 front end of third motion bar is movably connected on
2 front end of seat plate mounting rack, 10 tail end of third motion bar are connected with main support rod 11, the tail end of the main support rod 11
It is movably installed with mounting plate 12, the 4th motion bar 13, the 4th activity are also connected at 2 front end of seat plate mounting rack
Bar 13 and 2 front end junction of seat plate mounting rack are set to the front of 10 front end of third motion bar and 2 front end junction of seat plate mounting rack,
4th motion bar, 13 tail end is movably installed with secondary mounting rod 14 and at 13 tail end of the 4th motion bar and close to institute
It states and is movably connected at 11 front end of main support rod, be connected with secondary support rod 15 at 14 front end of the secondary mounting rod, it is described
The tail end of secondary support rod 15 is movably installed on mounting plate 12, close to 15 junction of secondary 14 front end of mounting rod and secondary support rod
It is also movably installed with the 5th motion bar 16,16 tail end of the 5th motion bar is connected with auxiliary support bar 17, the auxiliary
The tail end of support rod 17 is movably installed on mounting plate 12.
A kind of expansion bracket of the utility model, it is foot-operated to install by mounting plate 12 and secondary mounting rod 14, when user's foot is stepped on
It is foot-operated mounting plate 12 pulls main support rod 11 to act when stretching, main support rod 11 pulls third motion bar 10 to act, and third is living
Lever 10 pulls the movement of the second motion bar 7, and the second motion bar 7 pulls the movement of the first motion bar 6, and the first motion bar 6, which pulls, to be swung
Connecting plate 5 carries out limit swing as basic point to swing connecting plate 5 and 2 back lower place junction of seat plate mounting rack, before the second motion bar 7
End lateral surface, 2 lateral surface of seat plate mounting rack are equipped with installation protrusion 8, rebound spring 9 are equipped between two installation protrusions 8, by returning
Playing spring 9 can be that the second motion bar 7 provide rebound pulling force entire telescopic pedal frame 3 provides screen resilience to being, meanwhile, it is secondary to install
Bar 14 pulls the 4th motion bar 13 to carry out limit swing as basic point with 2 front end junction of seat plate mounting rack using the 4th motion bar 13,
The 5th motion bar 16,16 tail end of the 5th motion bar are also movably installed with close to pair 14 front end of mounting rod and 15 junction of secondary support rod
It is connected with auxiliary support bar 17, the tail end of auxiliary support bar 17 is movably installed on mounting plate 12, can be peace when trampling
Loading board 12 provides the limit for swinging up and down adjusting, and structure design is simple and reliable, is mounted in the seats such as couch, adjusts Foot of chair
When stepping on equal components, more stable comfortable, material thickeies, and load-bearing is big, and support base 4 includes bottom support frame 23 and installation support plate
24, bottom support frame 23 is set to the bottom of support base 4, and installation support plate 24 is symmetrically arranged on the two sides of bottom support frame 23,
4 supporting & stablizing of support base is secured, and seat plate mounting rack 2 includes main mounting rack 18, handrail mounting plate 19 and seat plate mounting plate 20, master
Mounting rack 18 is fixedly installed in installation support plate 24, main mounting rack 18 firm stable, comfort under the support of support base 4
Good, handrail mounting plate 19 is installed on main 18 upper outer two sides of mounting rack, handrail installation convenience, and seat plate mounting plate 20 is installed on master
18 upper interior two sides of mounting rack, seat plate installation convenience, convenient for later period replacement maintenance, backrest mounting rack 1 includes back support rod 21
With backrest mounting plate 22, backrest mounting plate 22 is respectively symmetrically installed on the rear upper two sides of seat plate mounting rack 2, and backrest is installed just
Benefit is equipped with back support rod 21 between two backrest mounting plates 22, and back support rod 21 is set to the rear of backrest mounting plate 22, can be by
Back provides support, and use intensity is high, and comfort is good.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of expansion bracket, including backrest mounting rack (1), seat plate mounting rack (2), telescopic pedal frame (3) and support base (4),
The backrest mounting rack (1) is installed on above seat plate mounting rack (2), and the telescopic pedal frame (3) is connected to seat plate installation
Outside the left and right sides of frame (2), the seat plate mounting rack (2) is installed on support base (4), which is characterized in that described flexible
Running-board bracket (3) includes to swing connecting plate (5), under described swing connecting plate (5) one end is movably connected on seat plate mounting rack (2) afterwards
Side, the other end are connected with the first motion bar (6), and the first motion bar (6) tail end is connected with the second motion bar
(7), the second motion bar (7) front end outer side face, seat plate mounting rack (2) lateral surface are equipped with installation protrusion (8), two peaces
It fills and is equipped with rebound spring (9) between raised (8), the second motion bar (7) tail end is connected with third motion bar (10), institute
It states the second motion bar (7) and third motion bar (10) junction is provided close at third motion bar (10) front end, the third is living
Lever (10) front end is movably connected on seat plate mounting rack (2) front end, and third motion bar (10) tail end is connected with main branch
The tail end of strut (11), the main support rod (11) is movably installed with mounting plate (12), at seat plate mounting rack (2) front end also
It is connected with the 4th motion bar (13), the 4th motion bar (13) and seat plate mounting rack (2) front end junction are set to third
The front of motion bar (10) front end and seat plate mounting rack (2) front end junction, the 4th motion bar (13) the tail end activity installation
There is secondary mounting rod (14) and the activity at the 4th motion bar (13) tail end and at the main support rod (11) front end
It is connected, is connected with secondary support rod (15) at described secondary mounting rod (14) front end, the tail end of the pair support rod (15)
It is movably installed on mounting plate (12), is installed close to secondary mounting rod (14) front end and the also activity of secondary support rod (15) junction
There is the 5th motion bar (16), the 5th motion bar (16) tail end is connected with auxiliary support bar (17), the Auxiliary support
The tail end of bar (17) is movably installed on mounting plate (12).
2. a kind of expansion bracket according to claim 1, which is characterized in that the support base (4) includes bottom support frame
(23) and installation support plate (24), the bottom support frame (23) are set to the bottom of support base (4), the installation support plate
(24) two sides of bottom support frame (23) are symmetrically arranged on.
3. a kind of expansion bracket according to claim 2, which is characterized in that the seat plate mounting rack (2) includes main mounting rack
(18), handrail mounting plate (19) and seat plate mounting plate (20), the main mounting rack (18) are fixedly installed in installation support plate (24)
On, the handrail mounting plate (19) is installed on main mounting rack (18) upper outer two sides, and the seat plate mounting plate (20) is installed on
Main mounting rack (18) upper interior two sides.
4. a kind of expansion bracket according to claim 1, which is characterized in that the backrest mounting rack (1) includes back support rod
(21) and backrest mounting plate (22), the backrest mounting plate (22) are respectively symmetrically installed on the rear upper of seat plate mounting rack (2)
Two sides are equipped with back support rod (21) between the two backrest mounting plates (22), and the back support rod (21) is installed set on backrest
The rear of plate (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586217.5U CN209219606U (en) | 2018-09-28 | 2018-09-28 | A kind of expansion bracket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821586217.5U CN209219606U (en) | 2018-09-28 | 2018-09-28 | A kind of expansion bracket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209219606U true CN209219606U (en) | 2019-08-09 |
Family
ID=67499312
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821586217.5U Expired - Fee Related CN209219606U (en) | 2018-09-28 | 2018-09-28 | A kind of expansion bracket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209219606U (en) |
-
2018
- 2018-09-28 CN CN201821586217.5U patent/CN209219606U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20210928 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |