Turnover adjusting backup plate

Abstract

The utility model provides a turnover adjusting backup plate which comprises a base plate, a turnover plate and a pair of connecting arms, the two connecting arms are connected to the left end and the right end of the base plate respectively, the two connecting arms are connected to the left end and the right end of the turnover plate respectively, the upper portions of the connecting arms are fixedly connected with the turnover plate, and the lower portions of the connecting arms are fixedly connected with the turnover plate. The left end and the right end of the base plate are provided with a pair of connecting lugs on one side of the connecting arms, rotating shafts are arranged on the inner sides of the two connecting lugs, the lower portions of the connecting arms are connected with the rotating shafts, the lower portion of at least one connecting arm is provided with an angle regulator, the angle regulator is connected with the rotating shafts, and the connecting arms rotate around the rotating shafts. And an elastic connecting piece is connected between the turnover plate and the base plate. The angle between the turnover plate and the base plate can be adjusted, the angle adjuster can be a multi-gear angle adjuster, the backrest is pulled to the maximum gear and is out of gear at the maximum angle position, and at the moment, the backrest can be self-recovered to the initial minimum angle position.

Description

Technical Field

[0001] The utility model relates to the field of home furnishings, in particular to a flip-adjustable backing plate. Background Art

[0002] At present, angle adjustment functions are added to the backrests of sofas, chairs, beds and other home furnishings for comfort and humanization. The utility model aims to design a novel flip-up adjustment backrest for the backrests of sofas, chairs, beds and other home furnishings, which can be angle-adjusted, has high structural strength, and has a self-recovery function. Utility Model Content

[0003] In view of the technical background of the above-mentioned prior art, the purpose of the utility model is to provide a flip-adjustable backing plate.

[0004] In order to achieve the above technical objectives, the utility model adopts the following technical solutions:

[0005] The utility model provides a flip adjustment back plate, comprising a base plate, a flip plate and a pair of connecting arms, the two connecting arms are respectively connected to the left and right ends of the base plate, the two connecting arms are respectively connected to the left and right ends of the flip plate, the upper part of the connecting arm is fixedly connected to the flip plate, the left and right ends of the base plate are provided with a pair of connecting ears on one side of the connecting arm, the inner side of the two connecting ears is provided with a rotating shaft, the lower part of the connecting arm is connected to the rotating shaft, the lower part of at least one connecting arm is provided with an angle adjuster, the angle adjuster is connected to the rotating shaft, the connecting arm rotates around the rotating shaft, and an elastic connecting piece is connected between the flip plate and the base plate.

[0006] Furthermore, the flip adjustment back plate has angle adjusters disposed at the lower portions of the two connecting arms, and the angle adjusters are mounted on the inner sides of the corresponding connecting ears.

[0007] Furthermore, for the flip adjustment support plate, the left and right ends of the flip plate are provided with fixing ears on one side of the connecting arm, and the upper part of the connecting arm is fixedly connected to the fixing ears.

[0008] Furthermore, in the flip adjustment backing plate, the upper portion of the connecting arm is fixed to the outer side of the fixing ear.

[0009] Furthermore, the flip adjustment back plate has a preset minimum angle between the flip plate and the base plate.

[0010] Furthermore, the preset minimum angle of the flip-adjustable support plate is 5 to 15 degrees.

[0011] Furthermore, the rotation axis of the flip adjustment support plate is a prismatic rotation axis.

[0012] Furthermore, the flip adjustment back plate has a hanging ear in the middle of the flip plate, a hanging ear in the middle of the base plate, and the elastic connecting piece is connected to the hanging ear.

[0013] Furthermore, in the flip adjustment back plate, hooks are provided at both ends of the elastic connecting member, and the hooks are hung and connected with corresponding hanging ears.

[0014] Furthermore, in the flip adjustment support plate, the elastic connecting member is a spring.

[0015] Compared with the prior art, the utility model provides a flip-adjustable backrest, comprising a base plate, a flip plate and a pair of connecting arms, the two connecting arms are respectively connected to the left and right ends of the base plate, the two connecting arms are respectively connected to the left and right ends of the flip plate, the upper part of the connecting arm is fixedly connected to the flip plate, the left and right ends of the base plate are provided with a pair of connecting ears on one side of the connecting arm, the inner side of the two connecting ears is provided with a rotating shaft, the lower part of the connecting arm is connected to the rotating shaft, at least one connecting arm is provided with an angle adjuster at the lower part, the angle adjuster is connected to the rotating shaft, the connecting arm rotates around the rotating shaft, and an elastic connecting member is connected between the flip plate and the base plate. The utility model can realize the angle adjustment between the flip plate and the base plate, generally the base plate is fixed, the flip plate is fixed to the backrest, the angle adjuster of the utility model can adopt a multi-gear angle adjuster, the backrest is pulled to the maximum gear, and then disengaged at the maximum angle position, at this time the backrest can self-restore to the initial minimum angle position. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 The structure diagram of the flip adjustment backing plate provided by the utility model Figure 1 .

[0018] Figure 2 The structure diagram of the flip adjustment backing plate provided by the utility model Figure 2 .

[0019] Figure 3 The structure diagram of the flip adjustment backing plate provided by the utility model Figure 3 .

[0020] Figure 4The structure diagram of the flip adjustment backing plate provided by the utility model Figure 4 . DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back...), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0023] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or suggesting their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0024] like Figure 1-4As shown, the utility model provides a flip adjustment backing plate, including a base plate 101, a flip plate 102 and a pair of connecting arms 103, the two connecting arms 103 are respectively connected to the left and right ends of the base plate 101, the two connecting arms 103 are respectively connected to the left and right ends of the flip plate 102, the upper part of the connecting arm 103 is fixedly connected to the flip plate 102, the left and right ends of the base plate 101 are provided with a pair of connecting ears 104 on one side of the connecting arm 103, the inner side of the two connecting ears 104 is provided with a rotating shaft 110, the lower part of the connecting arm 103 is connected to the rotating shaft 110, the lower part of at least one connecting arm 103 is provided with an angle adjuster 106, the angle adjuster 106 is connected to the rotating shaft 110, the connecting arm 103 rotates around the rotating shaft 110, and an elastic connecting member 107 is connected between the flip plate 102 and the base plate 101. The utility model can realize the angle adjustment between the flip plate 102 and the base plate 101. Generally, the base plate 101 is fixed, and the flip plate 102 is fixed to the backrest. The angle adjuster 106 of the utility model can adopt a multi-gear angle adjuster 106. The backrest is pulled to the maximum gear and then disengaged at the maximum angle position. At this time, the backrest can self-restore to the initial minimum angle position.

[0025] Furthermore, the flip adjustment backing plate provided by the utility model has an angle adjuster 106 disposed at the lower part of the two connecting arms 103, and the angle adjuster 106 is installed on the inner side of the corresponding connecting ear 104. Further, the flip adjustment backing plate provided by the utility model has a fixing ear 105 disposed at the left and right ends of the flip plate 102 on one side of the connecting arm 103, and the upper part of the connecting arm 103 is fixedly connected to the fixing ear 105. Further, the flip adjustment backing plate provided by the utility model has the upper part of the connecting arm 103 fixed to the outer side of the fixing ear 105. Such a structure is not only structurally stable, but also more compact. In the utility model, the base plate 101 is in a u-shape, and the flip plate 102 is in an n-shape.

[0026] Furthermore, the flip adjustment backing plate provided by the present invention has a preset minimum angle between the flip plate 102 and the base plate 101. Furthermore, the flip adjustment backing plate provided by the present invention has a preset minimum angle of 5 to 15 degrees. Specifically, in this embodiment, the preset minimum angle is 10°.

[0027] Furthermore, in the flip adjustment back plate provided by the present invention, the rotation shaft 110 is a prism rotation shaft 110. Specifically, the rotation shaft 110 can be in the form of a hexagonal prism, so as to better stably connect with the angle adjuster 106.

[0028] Further, in the flip adjustment backing plate provided by the present invention, a lug 108 is provided in the middle of the flip plate 102, a lug 108 is provided in the middle of the base plate 101, and the elastic connector 107 is connected to the lug 108. Further, in the flip adjustment backing plate provided by the present invention, hooks 109 are provided at both ends of the elastic connector 107, and the hooks 109 are hung and connected with the corresponding lugs 108. Further, in the flip adjustment backing plate provided by the present invention, the elastic connector 107 is a spring.

[0029] The angle adjuster 106 of the utility model can adopt an angle adjustment device disclosed in the utility model patent with publication number CN205578494U, including a first support structure and a second support structure and a gear member arranged therebetween, the gear member can rotate in the first support structure and the second support structure, a wedge-shaped space is formed on one side of the first support structure and the second support structure, the wedge-shaped space includes an upper side surface of an opening angle, a lower side surface of an opening angle, and a left side surface and a right side surface located on the left and right sides of the lower side surface of the opening angle, a gear block is arranged in the wedge-shaped space, and the gear on the gear block The wheel cooperates with the gear member, the opening of the wedge-shaped space faces the gear member, and the gear block is provided with a first fixed shaft that penetrates the gear block. The key is that the left side and the right side are relatively provided with a first elongated blind hole and a second elongated blind hole, and the two ends of the first fixed shaft are respectively extended into the first elongated blind hole and the second elongated blind hole. In the wedge-shaped space, an elastic member is also provided to push the two ends of the first fixed shaft to move in the first elongated blind hole and the second elongated blind hole respectively, so as to push the gear block toward the direction where the gear member is located. In this embodiment, a 6-gear design is adopted, so the flip plate 102 is pulled to the maximum angle after being pulled to the 6th gear. At this time, the angle adjuster 106 is out of gear, and the flip plate 102 is restored to the initial position by the elastic connector 107. The elastic connector 107 can also keep the backrest stable when the flip plate 102 is adjusted to any gear.

[0030] In summary, the utility model can realize the angle adjustment between the flip plate and the base plate. Generally, the base plate is fixed, and the flip plate is fixed to the backrest. The angle adjuster of the utility model can adopt a multi-gear angle adjuster. The backrest is pulled to the maximum gear and then disengaged at the maximum angle. At this time, the backrest can self-restore to the initial minimum angle position. In this embodiment, a 6-gear design is adopted. Therefore, the flip plate is pulled to the 6th gear and then pulled to the maximum angle. At this time, the angle adjuster is disengaged, and the flip plate self-restores to the initial position under the action of the elastic connector. The elastic connector can also keep the backrest stable when the flip plate is adjusted to any gear.

[0031] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A flip-adjustable backing plate, characterized in that: The invention comprises a base plate (101), a flip plate (102) and a pair of connecting arms (103), wherein the two connecting arms (103) are respectively connected to the left and right ends of the base plate (101), and the two connecting arms (103) are respectively connected to the left and right ends of the flip plate (102), the upper part of the connecting arm (103) is fixedly connected to the flip plate (102), and the left and right ends of the base plate (101) are provided with a pair of connecting ears (104) on one side of the connecting arm (103). A rotating shaft (110) is arranged inside the two connecting ears (104), the lower part of the connecting arm (103) is connected to the rotating shaft (110), the lower part of at least one connecting arm (103) is provided with an angle adjuster (106), the angle adjuster (106) is connected to the rotating shaft (110), the connecting arm (103) rotates around the rotating shaft (110), and an elastic connecting piece (107) is connected between the flip plate (102) and the base plate (101).

2. The flip adjustment backing plate according to claim 1, characterized in that: The lower parts of the two connecting arms (103) are each provided with an angle adjuster (106), and the angle adjuster (106) is installed on the inner side of the corresponding connecting ear (104).

3. The flip adjustment backing plate according to claim 2, characterized in that: The left and right ends of the flip plate (102) are provided with fixing ears (105) on one side of the connecting arm (103), and the upper part of the connecting arm (103) is fixedly connected to the fixing ears (105).

4. The flip adjustment backing plate according to claim 3, characterized in that: The upper portion of the connecting arm (103) is fixed to the outer side of the fixing ear (105).

5. The flip adjustment backing plate according to claim 3, characterized in that: There is a preset minimum angle between the flip plate (102) and the base plate (101).

6. The flip adjustment backing plate according to claim 5, characterized in that: The preset minimum angle is 5 to 15 degrees.

7. The flip adjustment backing plate according to claim 4, characterized in that: The rotating shaft (110) is a prismatic rotating shaft.

8. The flip-adjustable backing plate according to any one of claims 1 to 7, characterized in that: A hanging ear (108) is provided in the middle of the flip plate (102), a hanging ear (108) is provided in the middle of the base plate (101), and the elastic connecting member (107) is connected to the hanging ear (108).

9. The flip-adjustable backing plate according to claim 8, characterized in that: Hooks (109) are provided at both ends of the elastic connecting member (107), and the hooks (109) are hung and connected with corresponding hanging ears (108).

10. The flip adjustment backing plate according to claim 9, characterized in that: The elastic connecting member (107) is a spring.

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