CN209463685U - A kind of adjustable type sofa - Google Patents
A kind of adjustable type sofa Download PDFInfo
- Publication number
- CN209463685U CN209463685U CN201822141053.1U CN201822141053U CN209463685U CN 209463685 U CN209463685 U CN 209463685U CN 201822141053 U CN201822141053 U CN 201822141053U CN 209463685 U CN209463685 U CN 209463685U
- Authority
- CN
- China
- Prior art keywords
- worm screw
- fixed
- shaft
- head rest
- axis
- 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 discloses a kind of adjustable type sofas, belong to technical field of furniture, it is intended to make adult and children that can use head rest, its key points of the technical solution are that including pedestal, the pedestal both ends are installed with handrail respectively, the backrest for being fixed on pedestal side is equipped between the handrail, it is described to lean on the fixed support rod of back, it is rotatably connected to shaft on the support rod, is fixed with connecting rod in the shaft, head rest is installed in the connecting rod, it is described that back is provided with regulating mechanism；The regulating mechanism includes the vertical bar being fixed on by back, and worm screw is rotatably connected on the vertical bar, is engaged on the worm screw and is fixed on shaft and worm gear that axis is overlapped with shaft axis.The utility model solves the problem of headrest height is excessively high, and unsuitable children use.
Description
Technical field
The utility model relates to technical field of furniture, in particular to a kind of adjustable type sofa.
Background technique
Sofa is common furniture, is a kind of more seat chairs equipped with cushion, is generally used for parlor.Sofa includes pedestal
And cushion, pedestal is for being made cushion.
Authorization Notice No. discloses a kind of children special-purpose sofa for the Chinese utility model patent of CN206565663U, including
The fence that is set on the base around pedestal, muti-piece laterally setting and along the circumferentially uniformly distributed backing plate of fence and overturn protection mechanism,
One end of backing plate is hinged by a hinged shaft and fence, and a torsional spring for making the free end of backing plate be upturned is arranged on hinged shaft,
Overturning protection mechanism includes guide sleeve, guide rod, spring, directive wheel and drawstring, and guide sleeve is vertically fixed in base bottom, guide sleeve
Upper end be cecum, multiple open slots being arranged in a one-to-one correspondence with backing plate, guide rod sliding setting are circumferentially provided on guide sleeve
In guide sleeve, spring is located in guide sleeve and both ends are connect with guide sleeve and guide rod respectively, and directive wheel is arranged in pedestal,
Every piece of backing plate is connect by the drawstring around directive wheel and across open slot with guide rod upper end.
Children special-purpose sofa in above scheme, when children being avoided to play above the case where accident tumble injury, above scheme
The demand of playing of children is met, but is used to support the head rest of human body head on existing sofa, is often with adult stature
According to being designed, when children are sitting on sofa, headrest height is excessively high, is not suitable for children and uses.
Utility model content
The purpose of this utility model is to provide a kind of adjustable type sofas, have adjustment head rest position, make adult and children
The advantages of head rest can be used.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of adjustable type sofa,
Including pedestal, the pedestal both ends are installed with handrail respectively, and the backrest for being fixed on pedestal side is equipped between the handrail, described
By the fixed support rod of back, it is rotatably connected to shaft on the support rod, connecting rod, the connecting rod are fixed in the shaft
On be installed with head rest, it is described that back is provided with regulating mechanism；The regulating mechanism includes the vertical bar being fixed on by back, described
It is rotatably connected to worm screw on vertical bar, is engaged on the worm screw and is fixed on shaft and worm gear that axis is overlapped with shaft axis.
By using above-mentioned technical proposal, when needing to adjust the position of head rest, worm screw is applied with hand or other tools
Along the active force of worm screw circumferential direction, worm screw drives worm gear, and axis is rotated around the shaft, and the rotation of worm gear drives connection fixed thereto
Worm screw rotation, the rotation of worm screw drives head rest to rotate around worm axis, so as to adjust head rest position, since worm gear and worm screw have
There is self-locking function, after rotary worm is made head rest to suitable position, the position of head rest just can stablize, when children use sofa,
Head rest is turned into lower position, when adult uses sofa, head rest is turned into higher position, head rest is made to meet different people
The demand of group.
The utility model is further arranged to: the biography for reducing the active force that manpower applies worm screw is provided on the worm screw
Motivation structure.
By using above-mentioned technical proposal, transmission mechanism can reduce manpower to the active force of worm screw, by transmission mechanism
Apply lesser active force, be just able to achieve the driving to worm screw, worm screw is made to drive head rest mobile, consequently facilitating the position of adjustment head rest
It sets.
The utility model is further arranged to: the transmission mechanism includes the connecting rod being fixed on by back, on the connecting rod
It is rotatably connected to the axis drive rod parallel with worm axis, driving gear, the driving gear are installed on the drive rod
On be engaged with and be fixed on worm screw and the driven gear coaxial with worm screw.
By using above-mentioned technical proposal, by applying circumferential active force to drive rod, drive rod drives driving tooth rotation
Dynamic, driving gear drives the driven gear rotation being engaged with, and driven gear drives the worm screw of connection fixed thereto to rotate, thus
It realizes the driving to worm screw, by adjusting the transmission ratio between driving gear and driven gear, adjusts manpower driving worm screw rotation
When to drive rod apply active force.
The utility model is further arranged to: actuation button is fixed on the drive rod.
By using above-mentioned technical proposal, the setting of actuation button is convenient for applying active force to drive rod, improves transmission mechanism
Adjust convenience when head rest position.
The utility model is further arranged to: actuation button side is provided with skid resistance strip.
By using above-mentioned technical proposal, the setting of skid resistance strip improves the coefficient of friction of actuation button side, is convenient for manpower
Circumferential active force is applied to actuation button, convenient for the rotation of actuation button.
The utility model is further arranged to: the bearing being sheathed on the outside of shaft is fixed on the support rod.
By using above-mentioned technical proposal, bearing can reduce resistance when shaft rotation, make convenient for being applied with hand to head rest
Firmly, the convenience when adjustment of head rest position is improved.
The utility model is further arranged to: being enclosed with protective case on the outside of the head rest.
By using above-mentioned technical proposal, the setting of protective case can cover head rest, convenient for the cleaning and maintenance of sofa.
The utility model is further arranged to: the actuation button for driving worm screw around own axis is provided on worm screw.
By using above-mentioned technical proposal, by applying active force to actuation button, actuation button applies along worm screw week worm screw
To the active force in direction, so that worm screw be driven to rotate, it is conveniently adjusted the position of head rest.
In conclusion the utility model has the following beneficial effects:
1, when needing to adjust the position of head rest, apply the effect along worm screw circumferential direction to worm screw with hand or other tools
Power, worm screw drives worm gear, and axis rotates around the shaft, and the rotation of worm gear drives the worm screw rotation of connection fixed thereto, the rotation of worm screw
Head rest is driven to rotate around worm axis, so as to adjust head rest position, since worm gear and worm screw have self-locking function, by rotary worm
After making head rest to suitable position, the position of head rest just can stablize, and when children use sofa, head rest is turned to lower position
It sets, when adult uses sofa, head rest is turned into higher position, head rest is made to meet the needs of different crowd；
2, by applying circumferential active force to drive rod, drive rod drives driving gear rotation, and driving gear drives therewith
The driven gear of engagement rotates, and driven gear drives the worm screw of connection fixed thereto to rotate, to realize the driving to worm screw, leads to
Cross the transmission ratio between adjustment driving gear and driven gear, the effect that adjustment manpower driving worm screw applies drive rod when rotating
Power；
3, by applying active force to actuation button, actuation button applies the active force along worm screw circumferential direction to worm screw, thus
Worm screw rotation is driven, the position of head rest is conveniently adjusted.
Detailed description of the invention
Fig. 1 is the overall structure diagram of embodiment 1；
Fig. 2 is the structural schematic diagram of head rest and regulating mechanism in embodiment 1；
Fig. 3 is enlarged drawing at A in Fig. 2.
In figure, 11, pedestal；12, handrail；13, backrest；2, head rest；21, support rod；22, shaft；23, connecting rod；24, axis
It holds；3, regulating mechanism；31, vertical bar；32, worm screw；33, worm gear；34, support sleeve；4, transmission mechanism；41, connecting rod；42, drive rod；
43, driving gear；44, driven gear；5, actuation button；6, protective case.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.The wherein identical attached drawing of identical components
Label indicates.
Embodiment 1
A kind of adjustable type sofa, as shown in Figure 1, including pedestal 11,11 both ends of pedestal have been wholely set handrail 12 respectively, and two
It is provided with the backrest 13 positioned at 11 side of pedestal between a handrail 12, is fixedly connected between backrest 13 and pedestal 11 by screw.
As shown in Fig. 2, the support rod 21 for stretching out backrest 13 and separate 11 end face of pedestal is fixed on backrest 13 using screw,
Support rod 21 is provided with altogether to be parallel to each other and perpendicular to two of pedestal 11, and the axis of axis coincidence is respectively welded on support rod 21
24 are held, the shaft 22 around own axis is equipped in bearing 24, is welded and fixed that there are two backwards to support rod 21 in shaft 22
And the connecting rod 23 being parallel to each other, connecting rod 23 are fixedly connected with head rest 2 using screw on the end face of shaft 22.
As shown in figure 3, being provided with the regulating mechanism 3 of adjustment 2 position of head rest on backrest 13.
As shown in figure 3, regulating mechanism 3 includes the vertical bar 31 being fixed on backrest 13, vertical bar 31 is provided with altogether to be parallel to each other
Two, be respectively welded on vertical bar 31 and be fixed with support sleeve 34, the axis of two support sleeves 34 is overlapped, and is equipped in support sleeve 34
Be engaged with the worm gear 33 being overlapped with 22 axis of shaft around the worm screw 32 of 34 axis of support sleeve rotation, on worm screw 32, worm gear 33 with turn
22 interference of axis connection.
Drive worm screw 32 around certainly in the transmission mechanism 4 of axis rotation as shown in figure 3, being provided on the outside of worm screw 32.Transmission
Mechanism 4 includes being arranged in worm screw 32 and the driven gear 44 coaxial with worm screw 32, and driven gear 44 uses flat key and worm screw 32
It is fixedly connected.Driving gear 43, the transmission ratio 1:3 of driving gear 43 and driven gear 44, active are engaged on driven gear 44
Drive rod 42 is fixedly connected with using flat key on gear 43.Connection ring is arranged with outside drive rod 42, drive rod 42 is around connection annulate shaft
Line rotation, connection ring outside are welded with the connecting rod 41 being fixed on backrest 13 using screw.
As shown in figure 3, drive rod 42 is fixedly installed actuation button 5 backwards to one end of driving gear 43, set on the outside of actuation button 5
It is equipped with skid resistance strip.The dormant bolt that axis is overlapped with 42 axis of drive rod is equipped on actuation button 5, dormant bolt passes through actuation
5 back spin of button is set to drive rod 42 to realize that actuation button 5 and the compression of drive rod 42 are connect.
As shown in Figure 1, being enclosed with the protective case 6 for covering head rest 2 and regulating mechanism 3 on the outside of head rest 2, actuation button 5 is located at
6 outside of protective case.
A kind of adjustable type sofa, the course of work are as follows:
When needing to adjust the position of head rest 2, apply the active force circumferential along actuation button 5 to actuation button 5, actuation button 5 is logical
Crossing drive rod 42 drives driving gear 43 to rotate around 42 axis of drive rod, and the rotation of driving gear 43 drives driven gear 44 around snail
The rotation of 32 axis of bar, the rotation of driven gear 44 drive the worm screw 32 that is fixedly connected with driven gear 44 around own axis,
The rotation of worm screw 32 drives worm gear 33, and 22 axis rotate around the shaft, and the rotation of worm gear 33 drives shaft 22 to turn around 24 center line of bearing
Dynamic, the rotation of shaft 22 drives head rest 2 to rotate, so as to adjust 2 position of head rest, since worm gear 33 and worm screw 32 have self-locking function,
After so that head rest 2 is in suitable position rotary worm 32, the position of head rest 2 just can stablize, to realize 2 different height position of head rest
The adjustment set.
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 (8)
1. a kind of adjustable type sofa, including pedestal (11), pedestal (11) both ends are installed with handrail (12), the handrail respectively
(12) backrest (13) for being fixed on pedestal (11) side is equipped between, it is characterised in that: fixed support rod on the backrest (13)
(21), it is rotatably connected to shaft (22) on the support rod (21), is fixed with connecting rod (23), the company on the shaft (22)
It is installed on extension bar (23) head rest (2), is provided with regulating mechanism (3) on the backrest (13)；
The regulating mechanism (3) includes the vertical bar (31) being fixed on backrest (13), is rotatably connected to snail on the vertical bar (31)
Bar (32) is engaged on the worm screw (32) and is fixed on shaft (22) and worm gear (33) that axis is overlapped with shaft (22) axis.
2. a kind of adjustable type sofa according to claim 1, it is characterised in that: be provided on the worm screw (32) and reduce people
The transmission mechanism (4) for the active force that hand applies worm screw (32).
3. a kind of adjustable type sofa according to claim 2, it is characterised in that: the transmission mechanism (4) includes being fixed on
Connecting rod (41) on backrest (13) is rotatably connected to the axis drive rod parallel with worm screw (32) axis on the connecting rod (41)
(42), it is installed with driving gear (43) on the drive rod (42), is engaged on the driving gear (43) and is fixed on worm screw
(32) driven gear (44) coaxial and with worm screw (32).
4. a kind of adjustable type sofa according to claim 3, it is characterised in that: be fixed with actuation on the drive rod (42)
Button (5).
5. a kind of adjustable type sofa according to claim 4, it is characterised in that: actuation button (5) side is provided with anti-
Draw runner line.
6. a kind of adjustable type sofa according to claim 1, it is characterised in that: be fixed with and be arranged on the support rod (21)
Bearing (24) on the outside of shaft (22).
7. a kind of adjustable type sofa according to claim 1, it is characterised in that: be enclosed with protection on the outside of the head rest (2)
It covers (6).
8. a kind of adjustable type sofa according to claim 1, it is characterised in that: be provided on worm screw (32) and drive worm screw
(32) around the actuation button (5) of own axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141053.1U CN209463685U (en) | 2018-12-19 | 2018-12-19 | A kind of adjustable type sofa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822141053.1U CN209463685U (en) | 2018-12-19 | 2018-12-19 | A kind of adjustable type sofa |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209463685U true CN209463685U (en) | 2019-10-08 |
Family
ID=68089182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822141053.1U Expired - Fee Related CN209463685U (en) | 2018-12-19 | 2018-12-19 | A kind of adjustable type sofa |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209463685U (en) |
-
2018
- 2018-12-19 CN CN201822141053.1U patent/CN209463685U/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: 20191008 Termination date: 20211219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |