CN207355829U - Sofa electric stent - Google Patents

Abstract

The utility model discloses a kind of sofa electric stent, including two linkage units, transverse link and motor driver, opposite site is equipped with head rest attachment on two linkage units, the lower end of two linkage units is fixedly connected with transverse link both ends respectively, and the upper end of two linkage units is articulated and connected with two fixing pieces being fixed on sofa frame back-rest respectively；Each linkage unit is connected and composed by the first STATEMENT OF FEDERALLY SPONSORED and the second STATEMENT OF FEDERALLY SPONSORED, first STATEMENT OF FEDERALLY SPONSORED is fixedly connected with the respective end of transverse link, first STATEMENT OF FEDERALLY SPONSORED is equipped with bar shaped slide opening or the first axis pin, the lower end of second STATEMENT OF FEDERALLY SPONSORED is equipped with the first axis pin or bar shaped slide opening slidably coordinated with bar shaped slide opening or the first axis pin, the upper end of second STATEMENT OF FEDERALLY SPONSORED is hinged by the second axis pin with fixing piece, and head rest attachment is installed in the second STATEMENT OF FEDERALLY SPONSORED.The structure relative simplicity of the utility model, action is smooth reliable, and the support stability rested the head on is good, has good practicality.

Description

Sofa electric stent

Technical field

A kind of sofa electric stent is the utility model is related to, belongs to sofa frame field of structural design.

Background technology

Generally for enabling a consumer to possess more comfortable impression, the headrest of the furniture such as seat or sofa all can using angle The design of adjustment type, the most direct mode for realizing this design are exactly that the hinge of a connection headrest is set in seat or sofa, Headrest follows the rotation of hinge and changes the angle between seat or sofa, and this design makes consumer to be made according to itself The angle of inclination rested the head on situation adjustment, so as to obtain preferable comfortable effect.

A kind of headrest adjuster of sofa is disclosed in patent document CN201870189U, including：Stent, into inverted L-shaped, its The end on top has the connecting portion of sheet, and connecting portion center is equipped with axis hole, at least one lockhole, lockhole outer are equipped with by axis hole For L-shaped folding face, edge is cambered surface in it, and the side of L-shaped folding face has a holding mouth on；Locking plate, is placed in lockhole, its ground with The lower edge of L-shaped folding face offsets, its top surface is then by the top resilient engagement of a flexible member and lockhole, and its front and rear sides Lockhole is stretched out in outer；Hinge frame, including symmetrically arranged two, the connecting portion both sides of stent are respectively arranged at, its inner is set There is the step surface of sinking, step surface is hinged therewith by the axis hole of connecting portion, and the curved track for coordinating locking plate is additionally provided with step surface Groove, the outer of track slot are set to one section of flank of tooth and one section of plane along counterclockwise successively, and the flank of tooth is with locking plate close to the one of L-shaped folding face Side is engaged；Cover, including symmetrically arranged two, its inner is separately fixed at the outer end of body cradle.Pass through above patent document In headrest adjuster of sofa need to pull headrest with hand when adjusting and resting the head on angle and be adjusted, adjust that operation inconvenience. The regulating device for also occurring adjusting front and rear angles of headrest by motor control to this in the market, but mostly structure is more multiple It is miscellaneous, and linkage part quantity is more, therefore cause the linkage unit interim card that operationally easily occurs of existing regulating device to show As the problem of.

Utility model content

In this regard, the utility model aims to provide a kind of sofa electric stent easy to adjusting front and rear angles of headrest, the sofa The structure of linkage unit is simple on electric bracket, and action is smooth reliable, has good practicality.

Realizing the technical solution of the utility model aim is：

A kind of sofa electric stent, including it is symmetricly set on two linkage units, rotationally of sofa frame back-rest both sides The transverse link and the motor driver for driving the transverse link to rotate being arranged on sofa frame back-rest, described two Opposite site is equipped with head rest attachment on linkage unit, and the lower end of two linkage units is consolidated with the transverse link both ends respectively Fixed connection, the upper end of two linkage units is articulated and connected with two fixing pieces being fixed on sofa frame back-rest respectively, described The head rest attachment is driven by the linkage unit when motor driver drives the transverse link forward and reverse rotation Front and rear rotation；Each linkage unit is connected and composed by the first STATEMENT OF FEDERALLY SPONSORED and the second STATEMENT OF FEDERALLY SPONSORED, first STATEMENT OF FEDERALLY SPONSORED with it is described The respective end of transverse link is fixedly connected, and first STATEMENT OF FEDERALLY SPONSORED is equipped with bar shaped slide opening or the first axis pin, and described second The lower end of moving part is equipped with the first axis pin or bar shaped slide opening that slidably coordinate with the bar shaped slide opening or the first axis pin, and described second The upper end of STATEMENT OF FEDERALLY SPONSORED is hinged by the second axis pin and the fixing piece, and the transverse link is driven just by the motor driver Drive first axis pin to be moved in the bar shaped slide opening during reverse rotation, and drive second STATEMENT OF FEDERALLY SPONSORED around described second Axis pin is front and rear to be rotated, and the head rest attachment is installed in second STATEMENT OF FEDERALLY SPONSORED.

In above-mentioned technical proposal, the transverse link both ends are arranged in correspondence position on the sofa frame back-rest respectively In spacing jack.

In above-mentioned technical proposal, the motor driver is the rotation motor being arranged in the middle part of the transverse link.

The utility model has positive effect：Using the structure in the utility model, it is necessary to when adjusting headrest angle, lead to Crossing motor driver drives the transverse link to rotate appropriate angle and then by linkage unit drive head rest attachment and admittedly The headrest being scheduled on thereon turns to proper angular position, is specifically that the transverse link is driven around certainly by the motor driver First axis pin is driven to be moved in the bar shaped slide opening along hole length direction during body axis forward and reverse rotation, while to second STATEMENT OF FEDERALLY SPONSORED, which acts power, drives second STATEMENT OF FEDERALLY SPONSORED to be rotated before and after second axis pin, and the second STATEMENT OF FEDERALLY SPONSORED, which rotates, makes drive Head rest attachment mounted thereto rotates, and is adjusted so as to fulfill the front and rear angles of headrest, forms the component of above-mentioned linkage unit Quantity significantly reduces, and hinge joint significantly reduces, its structure simplifies, and linkage action is smooth reliable, has good practicality.

Brief description of the drawings

Fig. 1 is the structure diagram of second of sofa electric stent in the utility model；

Fig. 2 is the structure diagram of linkage unit in Fig. 1；

Fig. 3 is the structure diagram of the second STATEMENT OF FEDERALLY SPONSORED in linkage unit shown in Fig. 2.

Reference numeral is shown in figure：1- linkage units；The first STATEMENT OF FEDERALLY SPONSOREDs of 11-；The second STATEMENT OF FEDERALLY SPONSOREDs of 13-；14- fixing pieces； 15- head rest attachments；16- bar shaped slide openings；The first axis pins of 12-；2- motor drivers；3- transverse links；The spacing jacks of 4-；5- Sofa frame back-rest；6- tension springs；7- position limiting structures；The second axis pins of 8-；9- articulated shafts.

Embodiment

The concrete structure of sofa electric stent in the utility model is done with explanation with reference to Figure of description：

A kind of sofa electric stent, as shown in Figure 1 to Figure 3, it includes being symmetricly set on the two of 5 both sides of sofa frame back-rest Linkage unit 1, the transverse link 3 being rotatably arranged on sofa frame back-rest 5 and for driving the transverse link 3 to rotate Motor driver 2, opposite site is equipped with head rest attachment 15 on two linkage unit 1, by headrest when manufacturing sofa Both ends are fixedly connected with two head rest attachments 15 respectively, the lower ends of two linkage units 1 respectively with 3 both ends of transverse link It is fixedly connected, the upper end of two linkage units 1 is articulated and connected with two fixing pieces being fixed on sofa frame back-rest 5 respectively, The motor driver 2 drives and drives the headrest by the linkage unit 1 during 3 forward and reverse rotation of transverse link Connector 15 is front and rear to be rotated；Each linkage unit 1 is connected and composed by the first STATEMENT OF FEDERALLY SPONSORED 11 and the second STATEMENT OF FEDERALLY SPONSORED 13, and described first STATEMENT OF FEDERALLY SPONSORED 11 is L-shaped component, it is fixedly connected with the respective end of the transverse link 3, and first STATEMENT OF FEDERALLY SPONSORED 11 is equipped with Bar shaped slide opening 16, the lower end of second STATEMENT OF FEDERALLY SPONSORED 13 are equipped with the first axis pin 12 coordinated with the bar shaped slide opening 16, and described the The upper end of two STATEMENT OF FEDERALLY SPONSOREDs 13 is hinged with the fixing piece 14 by the second axis pin 8, and the transverse link 3 is driven by the motor and filled Drive first axis pin 12 to be moved in the bar shaped slide opening 16 when putting 2 drivings rotation, and drive second STATEMENT OF FEDERALLY SPONSORED 13 Rotated around second axis pin 8, the head rest attachment 15 is installed in second STATEMENT OF FEDERALLY SPONSORED 13.Can be by institute in practice operation The position for stating the first axis pin 12 and bar shaped slide opening 16 is exchanged：First axis pin 12 is arranged in first STATEMENT OF FEDERALLY SPONSORED 11, The bar shaped slide opening 16 is arranged in the second STATEMENT OF FEDERALLY SPONSORED 13.By using said structure, the transverse link 3 is driven by the motor Dynamic device 2 drives first axis pin 12 in the bar shaped slide opening 16 along hole length when driving around own axes forward and reverse rotation Direction is moved, while power is acted to the second STATEMENT OF FEDERALLY SPONSORED 13 and drives second STATEMENT OF FEDERALLY SPONSORED 13 before and after second axis pin 8 Rotate, the second STATEMENT OF FEDERALLY SPONSORED 13 rotates the head rest attachment 15 for making drive mounted thereto and rotates, so as to fulfill the front-and-back angle of headrest Degree is adjusted, and the number of components for forming above-mentioned linkage unit significantly reduces, and hinge joint significantly reduces, its structure simplifies, linkage action It is smooth reliable, there is good practicality.

In the present embodiment, 3 both ends of transverse link are arranged in the limit of correspondence position on the sofa frame back-rest 5 respectively In the jack 4 of position, by setting spacing jack 4 to limit the both ends of transverse link 3, the electric bracket is installed so as to enhance The stability of installation.

The motor driver 2 in the present embodiment is the rotation motor for being arranged on the middle part of transverse link 3, is put into practice Also the motor driver that can reach phase same-action in the prior art can be used in operation.

Further, the head rest attachment 15 in the present embodiment can be fixed on described in a manner of welding or riveting In second STATEMENT OF FEDERALLY SPONSORED 13, or the head rest attachment 15 is installed in second STATEMENT OF FEDERALLY SPONSORED 13 in a manner of flexible connection, And pinch-proof structure is set between 15 and second STATEMENT OF FEDERALLY SPONSORED 13 of head rest attachment, pinch-proof structure is included by described in as mentioned Head rest attachment 15 is hinged on articulated shaft 9 in second STATEMENT OF FEDERALLY SPONSORED 13, the limitation head rest attachment 15 relatively described the The position limiting structure 7 of two STATEMENT OF FEDERALLY SPONSOREDs, 13 rotational angle and it is arranged between the head rest attachment 15 and second STATEMENT OF FEDERALLY SPONSORED 13 The tension spring 6 that rearward pulling force is provided for the head rest attachment 15, first position limiting structure limits the head rest attachment 15 Relatively described second STATEMENT OF FEDERALLY SPONSORED, 13 rotational angle is such as 15 °, 25 °, 35 ° within 45 °, one end and the head of the tension spring 6 Pillow connector 15 connects, and the other end is connected with second STATEMENT OF FEDERALLY SPONSORED 13.Using the above structure, under normal circumstances in position limiting structure Keep opposing stationary with the second STATEMENT OF FEDERALLY SPONSORED 13 with headrest 4 under 6 mating reaction of tension spring, and headrest 4 can be born from front Pressure, when being subject to forward resistance during headrest rotates backward reset, headrest can be around head rest attachment 15 and second The articulated shaft 9 of moving part 13 rotates forward once step stretching tension spring of going forward side by side, so as to play the role of buffer protection, so can just prevent Hand clamping when only headrest rotates backward, improves the security that sofa uses, and extracting hand out i.e. resistance F from crack is avoided Afterwards, headrest can rotate backward return under the action of tension spring around articulated shaft 9.

Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and It is not the restriction to the embodiment of the utility model.For those of ordinary skill in the field, in described above On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments It is exhaustive.And the obvious changes or variations that these connotations for belonging to the utility model are extended out still falls within this practicality New protection domain.

Claims (3)

1. a kind of sofa electric stent, including be symmetricly set on two linkage units of sofa frame back-rest both sides, rotationally set Put the transverse link on sofa frame back-rest and the motor driver for driving the transverse link to rotate, described two Opposite site is equipped with head rest attachment on dynamic component, and the lower end of two linkage units is fixed with the transverse link both ends respectively Connection, the upper end of two linkage units are articulated and connected with two fixing pieces being fixed on sofa frame back-rest respectively, the electricity Before machine actuating device drives the head rest attachment when driving the transverse link forward and reverse rotation by the linkage unit After rotate；It is characterized in that：Each linkage unit is connected and composed by the first STATEMENT OF FEDERALLY SPONSORED and the second STATEMENT OF FEDERALLY SPONSORED, first linkage Part is fixedly connected with the respective end of the transverse link, and first STATEMENT OF FEDERALLY SPONSORED is equipped with bar shaped slide opening or the first axis pin, institute The lower end for stating the second STATEMENT OF FEDERALLY SPONSORED is equipped with the first axis pin or bar shaped slide opening coordinated with the bar shaped slide opening or the first axis pin, and described the The upper end of two STATEMENT OF FEDERALLY SPONSOREDs is hinged by the second axis pin and the fixing piece, and the transverse link is driven by the motor driver Drive first axis pin to be moved in the bar shaped slide opening during forward and reverse rotation, and drive second STATEMENT OF FEDERALLY SPONSORED around described Two axis pins are front and rear to be rotated, and the head rest attachment is installed in second STATEMENT OF FEDERALLY SPONSORED.

2. sofa electric stent according to claim 1, it is characterised in that：The transverse link both ends are arranged in institute respectively State on sofa frame back-rest in the spacing jack of correspondence position.

3. sofa electric stent according to claim 1 or 2, it is characterised in that：The motor driver is to be arranged on Rotation motor in the middle part of the transverse link.