CN210354008U - Angle adjusting support of electronic sofa headrest - Google Patents
Angle adjusting support of electronic sofa headrest Download PDFInfo
- Publication number
- CN210354008U CN210354008U CN201921001333.0U CN201921001333U CN210354008U CN 210354008 U CN210354008 U CN 210354008U CN 201921001333 U CN201921001333 U CN 201921001333U CN 210354008 U CN210354008 U CN 210354008U
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- Prior art keywords
- connecting piece
- rod
- piece
- hinged
- sliding
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/38—Support for the head or the back for the head
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- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
The utility model discloses an angle adjusting bracket of an electric sofa headrest, which comprises a left expansion bracket, a right expansion bracket, a first connecting rod, a second connecting rod and an expansion driving part; the left telescopic frame and the right telescopic frame respectively comprise a supporting rod, a second connecting piece, a third connecting piece, a fourth connecting piece and a sliding piece; the lower end of the second connecting piece is hinged to the rear end of the supporting rod, the upper end of the second connecting piece is hinged to the middle upper portion of the third connecting piece, the middle lower portion of the third connecting piece is hinged to the supporting rod through a rotating shaft, the lower end of the third connecting piece is hinged to the rear end of the fourth connecting piece, and the front end of the fourth connecting piece is hinged to the rear end of the sliding piece. The utility model discloses simple structure, be convenient for installation and later maintenance.
Description
Technical Field
The utility model belongs to the technical field of the sofa assembly part, concretely relates to angle regulation support of electronic sofa headrest.
Background
The sofa is a daily article commonly used in daily life of people, but the people can easily feel fatigue after sitting and standing for a long time, along with the gradual improvement of the living standard of the people, the requirement of the people on the comfort level of the sofa is higher and higher, so that the electric sofa capable of automatically adjusting the working position and angle of each part of the sofa according to the actual use requirement of the user is produced in the market at the same time.
The most direct way of realizing this kind of design of tradition is to set up the hinge of a connection headrest in electronic sofa, when needing to change the use gear of headrest, pulls the headrest, makes the headrest and the one end of inside hinge rotate, and after the relative sofa body of headrest rotated certain angle, the headrest was in another and uses the gear and the hinge is fixed a position it. Although the design can enable the user to adjust the use gear of the headrest in due time according to the use condition of the user, the optimal comfortable effect is achieved. However, the limitation of this design is that the headrest must be manually pulled by manpower when adjusting the gear, and when the force is too large or too small, the proper gear cannot be adjusted in place by one step, and even the gear can be adjusted in place by repeated adjustment, which is time-consuming, labor-consuming and inconvenient to operate.
Therefore, a plurality of designers improve the headrest part of the electric sofa, and the angle of the headrest of the electric sofa can be freely adjusted in order to enable a user to obtain more comfortable enjoyment experience. However, the existing sofa headrest mechanism with the electric function has the defects of complicated structure, high production cost, too many linkage links and unstable structure. In the use, as long as a detail goes wrong, whole mechanism all need be dismantled and maintain, is unfavorable for the maintenance in later stage.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model provides an angle regulation support of electronic sofa headrest.
In order to achieve the above purpose, the utility model provides a following technical scheme:
an angle adjusting support of an electric sofa headrest comprises a left telescopic frame, a right telescopic frame, a first connecting rod, a second connecting rod and a telescopic driving part;
the left telescopic frame and the right telescopic frame respectively comprise a supporting rod, a second connecting piece, a third connecting piece, a fourth connecting piece and a sliding piece;
the lower end of the second connecting piece is hinged to the rear end of the supporting rod, the upper end of the second connecting piece is hinged to the middle upper portion of the third connecting piece, the middle lower portion of the third connecting piece is hinged to the supporting rod through a rotating shaft, the lower end of the third connecting piece is hinged to the rear end of the fourth connecting piece, and the front end of the fourth connecting piece is hinged to the rear end of the sliding piece;
the sliding piece is provided with a linear guide rail, the supporting rod is provided with a limiting bolt, and the sliding piece can be movably matched with the limiting bolt through the linear guide rail;
the third connecting piece is provided with a headrest connecting plate;
two ends of the first connecting rod are respectively connected with the supporting rods of the left telescopic frame and the right telescopic frame;
two ends of the second connecting rod are respectively connected with the sliding pieces of the left telescopic frame and the right telescopic frame;
one end of the telescopic driving part is connected to the first connecting rod, and the other end of the telescopic driving part is connected to the second connecting rod so as to link the upper end of the third connecting piece to swing back and forth.
Preferably, the first connecting rod and the second connecting rod both comprise rod bodies, first connecting plates respectively arranged at two ends of the rod bodies and connecting seats arranged in the middle of the rod bodies.
Preferably, the support rod and the sliding sheet are respectively provided with a second connecting plate which is matched with the first connecting plates one by one.
Preferably, the telescopic driving part is connected to the connecting seat.
Preferably, after the adjusting frame is installed, the pulling direction of the telescopic driving part is perpendicular to the first connecting rod.
Preferably, the third web has a mounting track.
The utility model has the advantages that: simple structure and low manufacturing cost. When the support rod works, the sliding fit of the sliding sheet on the support rod obviously improves the moving stability of all parts, and the support strength is high. Each part is independent, and the installation and the disassembly are convenient, thereby being beneficial to the maintenance and the repair in the later period.
Drawings
In order to more clearly illustrate the technical effects of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings related to the present invention in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to different embodiments without inventive labor.
Fig. 1 is a structural side plan view of a right expansion bracket of the present invention;
fig. 2 is a structural front view of the right telescopic frame of the present invention;
fig. 3 is a schematic structural diagram of a first connecting rod of the present invention;
fig. 4 is a schematic structural diagram of the present invention.
In the figure: 1-left expansion bracket, 2-right expansion bracket, 3-first connecting rod, 4-second connecting rod, 5-expansion driving component, 201-supporting rod, 202-second connecting piece, 203-third connecting piece, 204-fourth connecting piece, 205-sliding piece, 210-linear guide rail, 211-mounting rail, 220-limit bolt, 230-headrest connecting plate, 231-second connecting plate, 240-rotating shaft, 301-connecting seat, 302-first connecting plate, 303-rod body, 2010-rear end of supporting rod, 2020-lower end of second connecting plate, 2021-upper end of second connecting plate, 2030-lower end of third connecting plate, 2040-rear end of fourth connecting plate, 2041-front end of fourth connecting plate and 2050-rear end of sliding plate.
Detailed Description
The present invention will be further described with reference to fig. 1 to 4.
The utility model discloses a left expansion bracket 1, right expansion bracket 2, head rod 3, second connecting rod 4 and flexible driver part 5. The telescopic driving part 5 can be an electric push rod, an air cylinder and the like.
The left expansion bracket 1 and the right expansion bracket 2 both comprise a support rod 201, a second connecting piece 202, a third connecting piece 203, a fourth connecting piece 204 and a sliding piece 205.
The lower end 2020 of the second connecting piece 202 is hinged to the rear end 2010 of the supporting rod 201, the upper end 2021 of the second connecting piece 202 is hinged to the middle upper portion of the third connecting piece 203, the middle lower portion of the third connecting piece 203 is hinged to the supporting rod 201 through the rotating shaft 240, the lower end 2030 of the third connecting piece 203 is hinged to the rear end 2040 of the fourth connecting piece 204, and the front end 2041 of the fourth connecting piece 204 is hinged to the rear end 2050 of the sliding piece 205.
The sliding piece 205 is provided with a linear guide rail 210, the supporting rod 201 is provided with a limit bolt 220, and the sliding piece 205 is movably matched with the limit bolt 220 through the linear guide rail 210, so that the sliding connection between the sliding piece 205 and the supporting rod 201 is realized. Limiting bolt 220 plays certain limiting displacement in linear guide 210, provides the guarantee for the slide 205 for the accuracy of bracing piece 201's translation position for the holistic flexible of expansion bracket is more stable with the removal, and support intensity is higher.
The third connecting piece 203 is provided with a headrest connecting plate 230.
And two ends of the first connecting rod 3 are respectively connected to the supporting rods 201 of the left telescopic frame 1 and the right telescopic frame 2.
The two ends of the second connecting rod 4 are respectively connected to the sliding pieces 205 of the left telescopic frame 1 and the right telescopic frame 2.
One end of the telescopic driving part 5 is connected to the first connecting rod 3, and the other end of the telescopic driving part is connected to the second connecting rod 4 so as to link the upper end of the third connecting piece to swing back and forth.
The embodiment is further configured as follows: the first connecting rod 3 and the second connecting rod 4 both include a rod 303, a first connecting plate 302 respectively disposed at two ends of the rod 303, and a connecting seat 301 disposed at the middle portion of the rod 303.
The embodiment is further configured as follows: the support rod 201 and the sliding sheet 205 are both provided with second connecting plates 231 which are matched with the first connecting plates 302 one by one. Second connecting plate 231 is L type state, and the one side of second connecting plate 231 is connected on the internal face of bracing piece 201 one end, and the another side of second connecting plate 231 is used for connecting slide 205, is used for the firm connection connecting rod and expansion bracket, simultaneously, has made things convenient for installation and dismantlement between connecting rod and the expansion bracket.
The embodiment is further configured as follows: the telescopic driving member 5 is connected to the connection holder 301. The arrangement of the link base 301 is advantageous to improve the accuracy of the mounting position of the telescopic driving part 5.
The embodiment is further configured as follows: after the adjusting frame is installed, the pulling direction of the telescopic driving part 5 is perpendicular to the first connecting rod 3. This setting makes flexible drive unit 5 more laborsaving when the pulling head rod 3, saves the use power of flexible drive unit 5, has reduced the maintenance cost of flexible drive unit 5, has prolonged the life of flexible drive unit 5.
The embodiment is further configured as follows: the third connecting piece 203 has a mounting track 211. The headrest connecting plate 230 of mountable equidimension and different models has not been enlarged in the mounting rail 211 the utility model discloses a application range. Moreover, the mounting rail 211 facilitates the mounting of the headrest connecting plate 230, so that the headrest connecting plate 230 is only connected to one end of the second connecting piece 202 when being dismounted, namely, after the headrest connecting plate 230 is dismounted, the whole adjusting frame cannot be scattered, and the later maintenance of the adjusting frame is facilitated.
Note that, each hinge in this embodiment is implemented by a hinge pin.
The utility model discloses simple structure, the installation is convenient, low in production cost, the later maintenance is laborsaving. The sofa headrest is connected to the headrest connecting plate 230, when the angle of the sofa headrest needs to be adjusted, the telescopic driving part 5 is started, the telescopic driving part 5 transversely pulls the first connecting rod 3, so that the first connecting rod 3 drives the sliding sheet 205 to move, namely, the sliding sheet 205 is enabled to translate relative to the supporting rod 201, the driven sliding sheet 205 drives the bottom of the third connecting sheet 203 to move through the fourth connecting sheet 204, so that the third connecting sheet 203 with the headrest connecting plate 230 rotates around the rotating shaft 240, and the sofa headrest connected to the headrest connecting plate 230 is driven to perform angle adjustment. The fourth connecting piece 204 serves to soften the connection between the slide piece 205 and the third connecting piece 203, and if the fourth connecting piece 204 is not added, the slide piece 205 and the third connecting piece 203 are likely to be mutually squeezed and broken when the expansion bracket expands and contracts.
In brief, the adjusting frame transversely pulls the first connecting rod 3 through the telescopic driving part 5, and then, each connecting piece is subjected to a series of linkage reactions, and finally the effect of adjusting the angle of the sofa headrest is achieved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an angle regulation support of electronic sofa headrest, characterized by: comprises a left expansion bracket (1), a right expansion bracket (2), a first connecting rod (3), a second connecting rod (4) and an expansion driving part (5);
the left telescopic frame (1) and the right telescopic frame (2) respectively comprise a supporting rod (201), a second connecting piece (202), a third connecting piece (203), a fourth connecting piece (204) and a sliding piece (205);
the lower end (2020) of the second connecting piece (202) is hinged to the rear end (2010) of the supporting rod (201), the upper end (2021) of the second connecting piece (202) is hinged to the middle upper part of the third connecting piece (203), the middle lower part of the third connecting piece (203) is hinged to the supporting rod (201) through the rotating shaft (240), the lower end (2030) of the third connecting piece (203) is hinged to the rear end (2040) of the fourth connecting piece (204), and the front end (2041) of the fourth connecting piece (204) is hinged to the rear end (2050) of the sliding piece (205);
the sliding piece (205) is provided with a linear guide rail (210), the supporting rod (201) is provided with a limiting bolt (220), and the sliding piece (205) can be movably matched with the limiting bolt (220) through the linear guide rail (210);
the third connecting piece (203) is provided with a headrest connecting plate (230);
two ends of the first connecting rod (3) are respectively connected with the supporting rods (201) of the left telescopic frame (1) and the right telescopic frame (2);
two ends of the second connecting rod (4) are respectively connected with the sliding sheets (205) of the left telescopic frame (1) and the right telescopic frame (2);
one end of the telescopic driving part (5) is connected to the first connecting rod (3), and the other end of the telescopic driving part is connected to the second connecting rod (4) so as to link the upper end of the third connecting piece to swing back and forth.
2. The angle-adjustable support for an electric sofa headrest according to claim 1, wherein: the first connecting rod (3) and the second connecting rod (4) comprise rod bodies (303), first connecting plates (302) arranged at two ends of the rod bodies (303) respectively and connecting seats (301) arranged in the middle of the rod bodies (303).
3. The angle-adjustable support for an electric sofa headrest according to claim 1, wherein: the support rod (201) and the sliding sheet (205) are respectively provided with a second connecting plate (231) which is matched with the first connecting plates (302) one by one.
4. The angle-adjustable support for an electric sofa headrest according to claim 1, wherein: the telescopic driving part (5) is connected to the connecting seat (301).
5. The angle-adjustable support for an electric sofa headrest according to claim 1, wherein: after the adjusting frame is installed, the pulling direction of the telescopic driving part (5) is vertical to the first connecting rod (3).
6. The angle-adjustable support for an electric sofa headrest according to claim 1, wherein: the third connection tab (203) has a mounting track (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001333.0U CN210354008U (en) | 2019-06-28 | 2019-06-28 | Angle adjusting support of electronic sofa headrest |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921001333.0U CN210354008U (en) | 2019-06-28 | 2019-06-28 | Angle adjusting support of electronic sofa headrest |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210354008U true CN210354008U (en) | 2020-04-21 |
Family
ID=70268582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921001333.0U Active CN210354008U (en) | 2019-06-28 | 2019-06-28 | Angle adjusting support of electronic sofa headrest |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210354008U (en) |
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2019
- 2019-06-28 CN CN201921001333.0U patent/CN210354008U/en active Active
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