CN211299185U - Translation devices and sofas for backrests and footrests - Google Patents

Abstract

The utility model provides a translation device for a backrest and a foot pad, comprising a fixed seat, a backrest support assembly, a foot pad support assembly and a connecting rod mechanism. The backrest support assembly comprises a sliding part and a supporting part. The foot pad support assembly is slidably arranged on the fixed seat and has an extended state and a retracted state relative to the fixed seat. The connecting rod mechanism comprises a first connecting rod, a second connecting rod and a third connecting rod. One end of the first connecting rod is movably connected to the sliding part, the other end of the first connecting rod is hinged to the second connecting rod, the other end of the second connecting rod is hinged to one end of the third connecting rod, the other end of the third connecting rod is hinged to the foot pad support assembly, and the second connecting rod is hinged to the supporting part. The sliding part is operated to slide relative to the fixed seat to adjust the position of the backrest relative to the sofa seat. At the same time, with the help of the connecting rod mechanism, the foot pad support assembly is transformed between the extended state and the retracted state to adjust the position of the foot pad relative to the sofa seat. The operation is convenient and the structure is simple, which greatly improves the user experience.

Description

Translation devices and sofas for backrests and footrests

technical field

The utility model relates to the technical field of sofa components, in particular to a translation device for backrests and foot pads and a sofa.

Background technique

The backrest of the old-fashioned sofa is fixed on the sofa seat, so the space for people to ride on the backrest and the sofa seat is unchanged. For consumers of different ages, due to their different body sizes, it is difficult to This sofa is comfortable to use. Moreover, since this old-fashioned sofa only has a function for people to sit on, it cannot meet the different usage requirements of consumers.

In order to improve the above shortcomings, some sofas have been improved in structure, so that the sofa can further have functions such as people leaning on or lying down. The means of realizing these new functions is to install an adjustment mechanism in the sofa, so that the headrest or the backrest of the sofa can be adjusted in angle and position, thereby changing the usage mode of the sofa.

In the prior art, both the sofa backrest and the sofa footrest are a single adjustment mechanism, which are respectively provided with an adjustment mechanism for the sofa backrest and an adjustment mechanism for the sofa footrest, that is, when the sofa backrest needs to be adjusted, the sofa The adjustment mechanism for the backrest needs to be adjusted when the sofa feet need to be adjusted, that is, the adjustment mechanism for the sofa feet is used, which leads to complicated devices in the sofa, and people who are leaning on their backs or lying down generally need to adjust the sofa backrest and sofa feet at the same time. In order to obtain a suitable length, the adjustment mechanism of the prior art is inconvenient.

Therefore, it is necessary to provide a translation device for the backrest and the foot pad to simultaneously adjust the appropriate length and angle of the sofa backrest and the sofa foot pad to solve the above-mentioned defects.

Utility model content

The purpose of the utility model is to provide a simple-structured translation device for backrest and foot pad, which can be used to adjust the position of the backrest and foot pad relative to the sofa seat at the same time, so as to meet the user's usage requirements and experience.

Another object of the present invention is to provide a sofa using the above-mentioned translation device for backrest and foot pad.

In order to achieve the above purpose, the utility model provides a translation device for backrest and foot pad, which is used to adjust the position of the backrest and the foot pad relative to the sofa seat at the same time, including a fixed seat, a backrest support component, a foot pad support component and a backrest support component. A link mechanism, the backrest support assembly includes a sliding part and a support part, the sliding part is slidably arranged on the fixed seat, the support part is fixed on one side of the fixed seat, and the foot support assembly slides The connecting rod mechanism includes a first connecting rod, a second connecting rod and a third connecting rod. a position movable connected to the sliding part to form a first connection point, the other end of the first link is hinged to the second link to form a second connection point, and the other end of the second link One end of the third link is hinged to form a third connection point, the other end of the third link is hinged to the foot pad support assembly to form a fourth connection point, and the second link is located at the The position between the second connection point and the third connection point is hinged to the support to form a fifth connection point, the first connection point, the second connection point, the third connection point, the fourth connection point and the The fifth connection point forms a four-link structure, the sliding part is operated to slide relative to the fixed seat to adjust the position of the backrest relative to the sofa seat, and at the same time, the foot pad support assembly is realized by the action of the link mechanism. The transition between the extended state and the retracted state adjusts the position of the foot pad relative to the sofa seat.

Compared with the prior art, in the translation device for the backrest and the footpad of the present application, the backrest is installed on the backrest support assembly, the fixed seat is installed in the sofa seat, the footpad is installed on the footpad support assembly, and the sliding part is used to Sliding on the fixed seat will drive the backrest support assembly to move to change the relative distance between the backrest and the sofa seat. At the same time, the movement of the sliding part will drive the first link, the second link and the third link to move. Under the action of the four-link structure, the link mechanism drives the foot pad support assembly to be in an extended state or a retracted state to change the relative distance between the foot pad and the sofa seat, so as to simultaneously adjust the backrest and the foot pad relative to the sofa seat It is easy to operate and simple in structure, which greatly improves the user's experience.

Preferably, the first link has a limiting slot, and the sliding portion extends into the limiting slot and can move in the limiting slot.

Preferably, the fixing base is provided with two fixing brackets along the sliding direction, and the fixing brackets are provided with sliding rails for the sliding part and the foot pad support assembly to slide.

Preferably, the two ends of the fixing seat are provided with limiting parts, the fixing bracket is located between the two limiting parts, and the limiting parts are used to limit the sliding amplitude of the slide rail.

Preferably, the foot pad support assembly includes a first foot pad bracket, a second foot pad bracket, and a fixing rod located between the first foot pad bracket and the second foot pad bracket, the first foot pad The pad bracket and the second foot pad bracket are respectively slidably arranged on two sides of the fixing base, and the third link is hinged to the fixing rod to form the fourth connection point.

Preferably, the backrest support assembly further comprises a backrest mounting seat, the bottom of the backrest mounting seat is connected to the sliding portion, and the top of the backrest mounting seat has a mounting plate.

Preferably, the fixed seat has a fixed crossbar at a position between the backrest support assembly and the foot pad support assembly, and the sliding portion includes a drive motor, a sliding member and a sliding rod, and the sliding rod has a fixed crossbar. One end is fixed to the fixed crossbar, the other end of the sliding rod is suspended, the two sides of the sliding member are slidably arranged on the fixed seat and slidably penetrated through the sliding rod, and the driving motor drives the sliding rod. The sliding member slides along the sliding rod to adjust the position of the backrest relative to the sofa seat.

Preferably, both ends of the support portion are connected to the fixing base, and the position between the two ends is a certain distance from the fixing base, and one end of the fixing crossbar is extended and connected to the support portion.

Preferably, one end of the second connecting rod close to the second connecting point is bent and extended to form a first connecting piece, a second connecting piece is provided perpendicular to the support portion, the first connecting piece and the first connecting piece are An elastic piece is arranged between the two connecting pieces, and the elastic piece constantly makes the sliding portion move toward one side of the foot pad support assembly.

Correspondingly, the present application also provides a sofa, including a sofa seat, a backrest, a foot pad, and a translation device for the backrest and the foot pad, which can be used to adjust the positions of the backrest and the foot pad relative to the sofa seat at the same time, and is easy to operate, Simple structure.

Description of drawings

Fig. 1 is a perspective view of the translation device for backrest and foot pad of the present invention.

FIG. 2 is a bottom plan view of the translation device for the backrest and foot pad shown in FIG. 1 .

FIG. 3 is a side view of the translation device for the backrest and footrest shown in FIG. 1 .

4 is a perspective view of another state of the translation device for backrest and foot pad of the present invention.

FIG. 5 is a bottom plan view of the translation device for the backrest and foot pad shown in FIG. 4 .

FIG. 6 is a side view of the translation device for the backrest and footpad shown in FIG. 4 .

FIG. 7 is a partial exploded view of the translation device for the backrest and footpad shown in FIG. 5 .

FIG. 8 is a schematic structural diagram of the sofa of the present application.

FIG. 9 is a schematic structural diagram of the sofa of the present application in another state.

Symbol Description:

Fixed base 10, fixed bracket 11, slide rail 111, limit portion 15, fixed cross bar 17, backrest support assembly 30, sliding portion 31, drive motor 311, sliding piece 313, sliding rod 315, insert rod 317, support portion 33. Second connector 331, backrest mounting seat 35, mounting plate 351, foot support assembly 50, first foot support 51, second foot support 53, fixing rod 55, link mechanism 70, first connection Rod 71, limiting groove 711, second link 73, first link 731, third link 75, elastic member 90, sofa seat 100, backrest 130, foot pad 150, translation device for backrest and foot pad 170. The first connection point A1, the second connection point A2, the third connection point A3, the fourth connection point A4, and the fifth connection point A5.

Detailed ways

In order to describe the technical solutions, structural features, and technical effects achieved by the present invention in detail, the following detailed description is given in conjunction with specific embodiments and accompanying drawings.

1-6, the translation device 170 for the backrest 130 and the foot pad 150 of the present application is used to adjust the position of the backrest 130 and the foot pad 150 relative to the sofa seat 100 at the same time, including the fixed seat 10 and the backrest support assembly 30. The foot pad support assembly 50 and the link mechanism 70, the backrest support assembly 30 includes a sliding part 31 and a supporting part 33, the sliding part 31 is slidably arranged on the fixed seat 10, the supporting part 33 is fixed on one side of the fixed seat 10, and the feet The pad support assembly 50 is slidably disposed on the fixed seat 10 and has an extended state (please refer to FIG. 4 ) and a retracted state (please refer to FIG. 1 ) relative to the fixed base 10 . The link mechanism 70 includes a first link 71 , a second link The connecting rod 73 and the third connecting rod 75, one end of the first connecting rod 71 is connected to the sliding part 31 in a movable position to form the first connecting point A1, and the other end of the first connecting rod 71 is hinged to the second connecting rod 73 To form the second connection point A2, the other end of the second link 73 is hinged with one end of the third link 75 to form the third connection point A3, and the other end of the third link 75 is hinged to the foot pad support assembly 50 to form The fourth connection point A4, the second link 73 is hinged to the support portion 33 at the position between the second connection point A2 and the third connection point A3 to form the fifth connection point A5, the first connection point A1, the second connection point A2, the third connection point A3, the fourth connection point A4, and the fifth connection point A5 form a four-link structure, and the sliding part 31 is operated to slide relative to the fixed seat 10 to adjust the position of the backrest 130 relative to the sofa seat 100. The function of the link mechanism 70 realizes the transition between the extended state and the retracted state of the foot pad support assembly 50 to adjust the position of the foot pad 150 relative to the sofa seat 100 . Further, the first link 71 has a limit slot 711 , and the sliding portion 31 extends into the limit slot 711 and can move in the limit slot 711 , that is, the sliding portion 31 moves in the limit slot 711 to drive the first link Rod 71 moves.

Referring to FIG. 2 , the fixing base 10 is provided with two fixing brackets 11 along the sliding direction. The fixing bracket 11 is provided with a sliding rail 111 (please refer to FIG. 7 ) for sliding the sliding portion 31 and the foot support assembly 50 . Further, the two ends of the fixing base 10 are provided with limiting portions 15 , the fixing bracket 11 is located between the two limiting portions 15 , and the limiting portions 15 are used to limit the sliding amplitude of the slide rail 111 . The function of the limiting portion 15 is to limit the sliding of the backrest support assembly 30 and the foot pad support assembly 50 on the slide rail 111 and not fall off from the slide rail 111 . The fixed seat 10 can be installed on the sofa seat 100 of the sofa or the seat of other seats.

Please refer to FIG. 5 , the foot support assembly 50 includes a first foot support 51 , a second foot support 53 and a fixing rod 55 located between the first foot support 51 and the second foot support 53 . The first foot support The bracket 51 and the second foot pad bracket 53 are slidably disposed on both sides of the fixing base 10 respectively, and the third link 75 is hinged to the fixing rod 55 to form a fourth connection point A4. The first foot pad bracket 51 and the second foot pad bracket 53 are slidably arranged on the two fixed brackets 11, respectively, and a fixing rod 55 is arranged between the first foot pad bracket 51 and the second foot pad bracket 53 to improve the stability. The movement of the three-link 75 drives the fixed rod 55 to move in the sliding direction, and the fixed rod 55 drives the first foot support bracket 51 and the second foot support support 53 to move so as to have an extended state relative to the fixed seat 10 (please refer to FIG. 4 ) and the collapsed state (please refer to Figure 1).

Referring to FIG. 4 , the backrest support assembly 30 further includes a backrest mounting seat 35 . The bottom of the backrest mounting seat 35 is connected to the sliding portion 31 , and the top of the backrest mounting seat 35 has a mounting plate 351 . The mounting plate 351 can be used to fix the backrest 130 of the sofa or the backrest 130 of the seat. The sliding portion 31 is operated to slide the backrest mounting seat 35 to move, thereby driving the backrest 130 to move. Further, the fixed seat 10 has a fixed crossbar 17 at a position between the backrest support assembly 30 and the footrest support assembly 50 , and the sliding portion 31 includes a drive motor 311 , a sliding member 313 and a sliding rod 315 , and one end of the sliding rod 315 is fixed on the The crossbar 17 is fixed, the other end of the sliding rod 315 is suspended, the two sides of the sliding member 313 are slidably disposed on the fixed seat 10 and slide through the sliding rod 315, and the driving motor 311 drives the sliding member 313 to slide along the sliding rod 315 to adjust The position of the backrest 130 relative to the sofa seat 100 . The fixed cross bar 17 is located between the two fixed brackets 11 to increase the stability of the two fixed brackets 11 , and also provides an installation position of the sliding portion 31 . One end of the sliding rod 315 is fixed on the fixed cross rod 17 , and the other end is suspended. The sliding rod 315 slides through the sliding member 313 , that is, the sliding member 313 can move on the sliding rod 315 , and the sliding member 313 is driven to move on the sliding rod 315 under the action of the driving motor 311 . The sliding member 313 has an insertion rod 317, and the insertion rod 317 is inserted into the limiting slot 711. When the sliding member 313 moves, the first connecting rod 71 is driven to move by the insertion rod 317, and the insertion rod 317 moves in the limiting slot 711 to achieve the Location-movable connections.

Referring to FIG. 5 , both ends of the support portion 33 are connected to the fixing base 10 and there is a certain distance between the two ends and the fixing base 10 . The fixed cross bar 17 is connected with the support portion 33 to improve the stability of the support portion 33 . Further, one end of the second connecting rod 73 close to the second connecting point A2 is bent and extended to form a first connecting piece 731 , the vertical support portion 33 is provided with a second connecting piece 331 , and the space between the first connecting piece 731 and the second connecting piece 331 is An elastic member 90 is provided, and the elastic member 90 constantly moves the sliding portion 31 toward one side of the foot pad support assembly 50 . The elastic member 90 is a spring, which can provide the restoring force of the foot support assembly 50 back to the retracted state.

Please refer to FIGS. 8-9 , the present application also provides a sofa, including a sofa seat 100 , a backrest 130 , a foot pad 150 , and a translation device 170 for the backrest 130 and the foot pad 150 , for adjusting the backrest 130 and the foot pad 150 at the same time. The position of the foot pad 150 relative to the sofa seat 100 . The backrest 130 is installed on the backrest support assembly 30 , the fixed seat 10 is installed in the sofa seat 100 , and the foot pad 150 is installed on the footrest support assembly 50 . The position of the backrest 130 and the foot pad 150 relative to the sofa seat 100 .

The working principle of the translation device 170 for the backrest 130 and the foot pad 150 of the present application will be described in detail below with reference to FIGS. 1 to 9 :

The backrest 130 is mounted on the backrest mounting seat 35 , the fixing seat 10 is mounted on the sofa seat 100 , and the foot pads 150 are mounted on the first foot pad bracket 51 and the second foot pad bracket 53 . The driving motor 311 drives the sliding member 313 to slide along the sliding rod 315, the backrest mounting seat 35 located on the sliding member 313 drives the backrest 130 to move, and the insertion rod 317 of the sliding member 313 drives the first connecting rod 71 to move, and the linkage drives the second connecting rod 71 to move. The connecting rod 73 and the third connecting rod 75 move, and under the action of the four-link structure, the third connecting rod 75 drives the fixing rod 55 to move along the length of the fixing bracket 11, thereby driving the first foot pad support 51 and the second foot The transition of the cushion bracket 53 between the extended state and the retracted state changes the position of the foot pad 150 relative to the sofa seat 100 , thereby simultaneously adjusting the positions of the backrest 130 and the foot pad 150 relative to the sofa seat 100 .

Compared with the prior art, the backrest 130 and the foot pad 150 of the present application use the translation device 170, the backrest 130 is installed on the backrest support assembly 30, the fixed seat 10 is installed in the sofa seat 100, and the foot pad 150 is installed on the feet The cushion support assembly 50 uses the sliding portion 31 to slide on the fixed seat 10, thereby driving the backrest support assembly 30 to move, so as to change the relative distance between the backrest 130 and the sofa seat 100, and at the same time, the movement of the sliding portion 31 will drive the first The connecting rod 71 , the second connecting rod 73 and the third connecting rod 75 move. Under the action of the four-link structure, the connecting rod mechanism 70 drives the foot pad support assembly 50 to be in an extended state or a retracted state, so as to change the foot pad 150 The relative distance from the sofa seat 100 can adjust the position of the backrest 130 and the foot pad 150 relative to the sofa seat 100 at the same time, the operation is convenient, the structure is simple, and the user experience is greatly improved.

The above disclosures are only preferred examples of the present application, and cannot be used to limit the scope of the rights of the present application. Therefore, equivalent changes made according to the claims of the present application are all within the scope of the present application.

Claims (10)

1. A translation device for backrest and foot pad is used to adjust the position of the backrest and foot pad relative to the sofa seat simultaneously, it is characterized in that comprising a fixed seat, a backrest support assembly, a foot pad support assembly and a linkage mechanism, The backrest supporting assembly includes a sliding part and a supporting part, the sliding part is slidably arranged on the fixing seat, the supporting part is fixed on one side of the fixing seat, and the foot pad supporting assembly is slidably arranged on the fixing seat. The fixed seat has an extended state and a retracted state relative to the fixed seat, The link mechanism includes a first link, a second link and a third link, one end of the first link is movably connected to the sliding part to form a first connection point, the first link The other end of the rod is hinged to the second link to form a second connection point, the other end of the second link is hinged to one end of the third link to form a third connection point, the third connection The other end of the rod is hinged to the foot pad support assembly to form a fourth connection point, and the second link is hinged to the support at a position between the second connection point and the third connection point to form a fourth connection point. A fifth connection point is formed, the first connection point, the second connection point, the third connection point, the fourth connection point and the fifth connection point form a four-bar linkage structure, and the sliding part is operated relative to the fixed seat Slide to adjust the position of the backrest relative to the sofa seat, and at the same time realize the transition between the extended state and the retracted state of the foot pad support assembly through the action of the link mechanism to adjust the position of the foot pad relative to the sofa seat. 2 . The translation device for a backrest and a foot pad according to claim 1 , wherein the first link has a limit groove, and the sliding portion extends into the limit groove and can be locked at the limit 2 . move within the slot. 3 . The translation device for backrest and foot pad according to claim 1 , wherein the fixing base is provided with two fixing brackets along the sliding direction, and the fixing brackets are provided with sliding rails for the sliding part and the foot pads. 4 . The foot pad support assembly slides. 4 . The translation device for backrest and foot pad according to claim 3 , wherein the two ends of the fixed seat are provided with limit parts, the fixed bracket is located between the two limit parts, and the limit The part is used to limit the sliding amplitude of the slide rail. 5 . The translation device for backrest and foot pad according to claim 1 , wherein the foot pad support assembly comprises a first foot pad bracket, a second foot pad bracket, and a bracket located on the first foot pad bracket and the The fixing rod between the second foot pad brackets, the first foot pad bracket and the second foot pad bracket are respectively slidably arranged on both sides of the fixing seat, and the third link is hinged to the A rod is secured to form the fourth connection point. 6 . The translation device for backrest and foot pad according to claim 1 , wherein the backrest support assembly further comprises a backrest mounting seat, and the bottom of the backrest mounting seat is connected to the sliding portion, so the The top of the backrest mounting seat has a mounting plate. 7 . The translation device for backrest and foot pad according to claim 1 , wherein the fixed seat is provided with a fixed crossbar at a position between the backrest support assembly and the foot pad support assembly, so the The sliding part includes a driving motor, a sliding member and a sliding rod, one end of the sliding rod is fixed to the fixed crossbar, the other end of the sliding rod is suspended in the air, and both sides of the sliding member are slidably arranged on the The fixed seat is slidably passed through the sliding rod, and the driving motor drives the sliding member to slide along the sliding rod to adjust the position of the backrest relative to the sofa seat. 8 . The translation device for backrest and foot pad according to claim 7 , wherein both ends of the support portion are connected to the fixed seat, and a position between the two ends and the fixed seat has a space between the two ends. 9 . At a certain distance, one end of the fixed crossbar extends to be connected with the support portion. 9 . The translation device for backrest and foot pad according to claim 1 , wherein one end of the second connecting rod close to the second connecting point is bent and extended to form a first connecting piece, which is perpendicular to the support. 10 . A second connecting piece is arranged on the part, and an elastic piece is arranged between the first connecting piece and the second connecting piece, and the elastic piece constantly makes the sliding part move toward one side of the foot pad support assembly . 10. A sofa, comprising a sofa seat, a backrest and a foot pad, characterized in that it also comprises the translation device for backrest and foot pad according to any one of claims 1-9, for adjusting the backrest and the foot pad The position of the cushion relative to the sofa seat.

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