Swing mechanism and electric rocking chair

Abstract

To provide a swing mechanism and an electric rocking chair which improves the compatibility of mounting of iron frames and can obtain substantially the same swing effect even when different types of iron frames are mounted. [Solution] The swing support frame 200 includes left and right support members 210a, 210b, and both ends of the upper part of the left and right support members are provided with a suspension point A and a suspension point B. Two iron frame support bases 300 include two swing arms 310a, 310b. The upper ends of the two swing arms are hingedly connected to the suspension points A and B of the corresponding support members, and the lower ends of the two swing arms are hingedly connected to hinge connection parts C and D of a support member 320. On the support member, one first iron frame connection part 321 is provided on the opposite side of the leg part of the iron frame with respect to the hinge connection part C, and one second iron frame connection part 322 is provided on the back side of the iron frame with respect to the hinge connection part D.

Description

[Technical field]

[0001] This application claims priority to a Chinese utility model application having application number 202422205494.9, filed on September 9, 2024, the entire contents of which are incorporated herein by reference. The present invention is in the field of furniture, and more particularly relates to swing mechanisms and power rocking chairs. [Background technology]

[0002] The swing mechanism of the existing electric rocking chair can swing the iron sofa frame back and forth, but the current swing mechanism is often customized according to the structure of the iron sofa frame to be installed, so it is not versatile and cannot adapt to the installation needs of various types of iron sofa frames. Although there are swing mechanisms that can accommodate multiple types of iron sofa frames, due to the structural constraints of the swing mechanism, it is difficult to adjust the forward and backward amplitude and up and down fluctuation during the swing process, making it difficult to achieve a smooth swing. Summary of the Invention [Problem to be solved by the invention]

[0003] Therefore, the current technical challenge is how to design a swing mechanism that can adapt to various types of iron sofa frames, effectively adjust the relationship between the forward and backward swing range and the up and down fluctuation during the swing process, and achieve a smooth swing effect.

[0004] Please note that the above information disclosed in this Background section is only used to understand the background technology conceived in this application, and therefore the above description does not constitute information regarding prior art. [Means for solving the problem]

[0005] To solve the above technical problems, the embodiments of the present invention provide at least a swing mechanism and an electric rocking chair.

[0006] An embodiment of the present invention provides a swing mechanism, which includes a base, a swing support frame and two iron frame supports.

[0007] The swing support frame is disposed on the base and includes a left support and a right support, and both ends of the upper part of the left support and the right support are provided with a hanging point A and a hanging point B, respectively.

[0008] The two iron frame supports are disposed on the outsides of the left and right supports, and each includes a first swing arm and a second swing arm, whose upper ends are hinged to the hanging points A and B of the corresponding supports, and whose lower ends are hinged to the hinge connection parts C and D of the support member.

[0009] At least one first iron frame connection portion is provided on the support member on the opposite side of the leg of the iron frame relative to hinge connection portion C, and at least one second iron frame connection portion is provided on the rear side of the iron frame relative to hinge connection portion D. Effect of the Invention

[0010] The beneficial effect of the present invention is that the swing mechanism and electric rocking chair can limit the forward and backward swing distance and the up and down fluctuation distance by constructing a substantially inverted trapezoidal structure using the suspension point A, the suspension point B, the hinge connection part C, and the hinge connection part D. When attaching the iron frame to this swing mechanism, the support positions (e.g., the support ends) of the bottoms of the left and right pieces of the iron frame can be made to correspond to the iron frame connection parts located on the support members, improving the attachment compatibility of the iron frame. Therefore, even if different types of iron frames are attached, almost the same swing effect can be obtained.

[0011] Additional features and advantages of the invention will be set forth in the specification which follows, and in part will be obvious from the specification or will be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and obtained by the structure particularly pointed out in the written description, claims and drawings.

[0012] In order to make the above objects, features and advantages of the present invention more comprehensible, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings. [Brief description of the drawings]

[0013] In order to more clearly describe the specific embodiments of the present invention or the technical solutions in the prior art, the following briefly describes the drawings that need to be used to describe the specific embodiments or the prior art. The drawings described below are some embodiments of the present invention, and it is obvious that those skilled in the art can obtain other drawings from these drawings without creative efforts.

[0014] [Figure 1] 1 is a schematic diagram of a swing mechanism according to an embodiment of the present invention; [Diagram 2] 1 is a schematic perspective view of a swing mechanism with an iron frame added according to an embodiment of the present invention; FIG. [Diagram 3] FIG. 2 is a side view of a swing mechanism with an added iron frame according to an embodiment of the present invention; [Figure 4] FIG. 2 is a side view of the swing mechanism moved toward the leg according to the embodiment of the present invention; [Diagram 5] FIG. 11 is another side view of the swing mechanism moved toward the leg according to the embodiment of the present invention. [Figure 6] 1 is a schematic diagram of a swing mechanism during a swing process according to an embodiment of the present invention; FIG. [Figure 7] 4 is a schematic diagram of a swing mechanism moving backward during a swing process according to an embodiment of the present invention; FIG. [Figure 8] FIG. 2 is a schematic diagram of a swing mechanism in a natural suspension state according to an embodiment of the present invention. [Figure 9] 1 is a schematic diagram of a swing mechanism driven by a linear actuator according to an embodiment of the present invention; FIG. [Figure 10] 1A and 1B are schematic diagrams illustrating a swing mechanism using an eccentric wheel according to an embodiment of the present invention and a partially enlarged schematic diagram thereof; [Figure 11] FIG. 11 is a schematic diagram of a swing mechanism according to another embodiment of the present invention; DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

[0015] In order to make the objectives, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention are described below in a clear and complete manner in conjunction with the accompanying drawings, of course, it is clear that the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present invention.

[0016] The terms used herein are for the purpose of describing particular example configurations only and are not intended to be limiting. As used herein, the singular articles "a," "an," and "the" may be intended to include the plural unless the context clearly dictates otherwise. The terms "including," "comprising," and "having" are inclusive and thus specify the presence of features, steps, operations, elements, and / or components, but do not exclude the presence or addition of one or more other features, steps, operations, elements, components, and / or combinations thereof. The methods, processes, and operations described herein should not be construed as requiring performance in a particular order as described or illustrated, unless an order of performance is specifically specified. Additional or alternative sequences may be performed.

[0017] As used herein, phrases such as "in one embodiment," "according to one embodiment," "in some embodiments," and the like generally refer to the fact that a particular feature, structure, or characteristic following the phrase may be included in at least one embodiment of the present disclosure. Thus, a particular feature, structure, or characteristic may be included in multiple embodiments of the present disclosure, and the phrases do not necessarily refer to the same embodiment. As used herein, terms such as "example," "exemplary," and the like are used to illustrate, illustrate, or explain. Any embodiment, aspect, or design described herein as "exemplary" or "exemplary" should not necessarily be construed as preferred or advantageous over other embodiments, aspects, or designs. Rather, use of terms such as "exemplary," "exemplary," and the like is intended to present concepts in a concrete manner.

[0018] The swing mechanism of an electric rocking chair swings an iron frame back and forth, but current swing mechanisms are often customized according to the structure of the iron frame to be installed, so they are not versatile and cannot be installed with various types of iron frame structures. Even if they can accommodate multiple types of iron frames, due to the structural constraints of the swing mechanism, it is difficult to adjust the forward and backward amplitude and the up and down fluctuation distance during the swing process, making it difficult to achieve a smooth swing.

[0019] Therefore, the current technical challenge is how to design a swing mechanism that can adapt to various types of iron sofa frames, effectively adjust the relationship between the forward and backward swing range and the up and down fluctuation during the swing process, and achieve a smooth swing effect.

[0020] In this embodiment, a substantially inverted trapezoidal structure is constructed by suspension point A, suspension point B, hinge connection part C, and hinge connection part D, thereby realizing limitations on the forward / backward swing distance and the upward / downward fluctuation distance. When attaching an iron frame to this swing mechanism, the support positions (e.g., support ends) of the bottoms of the left and right pieces of the iron frame can be made to correspond to the iron frame connection parts located on the support members, improving the attachment compatibility of the iron frame. The same swing effect can be obtained even if a different type of iron frame is attached.

[0021] In addition, similar reference numbers and letters indicate similar items in the following figures. Therefore, once an item is defined in one figure, it is not necessary to further define and explain it in the subsequent figures. In addition, in the drawings, the thickness of parts may be expanded or reduced in order to effectively explain the technical content.

[0022] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described in detail below with reference to the accompanying drawings. The embodiments and features of the embodiments described below can be combined with each other without any contradiction.

[0023] As shown in Fig. 1-3, in order to better show the assembly relationship between the swing mechanism and the iron frame for sofa, please refer to Fig. 2 and Fig. 3 for the specific assembly structure. Fig. 1 is a schematic configuration diagram of a swing mechanism according to an embodiment of the present invention. Specifically, in order to provide at least one embodiment of a swing mechanism that solves the above problems, as shown in Fig. 1, the swing mechanism may include a base 100, a swing support frame 200, a left support 210a, a right support 210b, a hanging point A, a hanging point B, and two iron frame supports 300 arranged to correspond to the left support 210a and the right support 210b, respectively. The iron frame support 300 includes a first swing arm 310a, a support member 320, a second swing arm 310b, a hinge connection part C, and a hinge connection part D. In order to better show the assembly relationship between the swing mechanism and the iron frame for sofa, please refer to Fig. 2 and Fig. 3. Arrow F1 indicates the direction of the legs, and arrow F2 indicates the direction of the back, which are used to distinguish the first iron frame connection part 321 and the second iron frame connection part 322 of the left iron frame piece 400a and the right iron frame piece 400b, respectively. The left iron frame piece 400a and the right iron frame piece 400b are symmetrically mounted on the support member 320 to form the entire iron frame structure for sofa. As can be seen from FIG. 1, the swing support frame 200 is located on the base 100 and includes a left support piece 210a and a right support piece 210b. The left support piece 210a and the right support piece 210b are provided with a hanging point A and a hanging point B at both ends of the upper part. The two iron frame supports 300 are respectively disposed outside the left support piece 210a and the right support piece 210b, and respectively include a first swing arm 310a and a second swing arm 310b. The upper ends of the first swing arm 310a and the second swing arm 310b are hingedly connected to suspension points A and B of the corresponding support materials, respectively, and the lower ends of the first swing arm 310a and the second swing arm 310b are hingedly connected to hinge connection points C and D of the support member 320, respectively.As can be seen from FIG. 3, the support member 320 has at least one first iron frame connection position 321 on the opposite side of the leg of the iron frame from hinge connection point C, and at least one second iron frame connection position 322 on the rear side of the iron frame from hinge connection point D.

[0024] In some embodiments, during actual use, a long predetermined space is provided on the opposite side of the leg of the iron frame of the support member 320 from the hinge connection part C, and on the back side of the iron frame from the hinge connection part D, so that the overall structure of the iron frame for the sofa can be formed by attaching iron frame left piece 400a and iron frame right piece 400b of different model numbers according to needs.

[0025] 1, the suspension point A, the suspension point B, the hinge connection part C and the hinge connection part D form a substantially inverted trapezoid. The support member 320 is located at the bottom of the inverted trapezoid, and the two support members 320 respectively support the left iron frame piece 400a and the right iron frame piece 400b. In some embodiments, in order to satisfy the swing stability provided by the deformation of the inverted trapezoid structure described above during the swing process, the structure of the inverted trapezoid and the swing process are defined below with corresponding parameters.

[0026] Fig. 4 is a schematic diagram of the swing mechanism swinging in the F1 direction, and Fig. 6 is a schematic diagram of the swing mechanism swinging in the F1 and F2 directions, where the F1 direction is indicated by a solid line, the F2 direction is indicated by a dashed line, and the swing angle of the first swing arm 310a is indicated by β.

[0027] As shown in FIG. 4 and FIG. 6, the swing angle β of the first swing arm 310a is limited to 10°-55°, preferably 25°-50°, and may be 28°, 34°, 45°, or 48°. The linear distance between the suspension point A and the suspension point B is L1, the linear distance between the hinge connection part C and the hinge connection part D is L2, and L1:L2=(12-13):(10-12). The above values ​​are ratio values, and may be adjusted according to the actual situation according to the above ratio. Specifically, in order to meet the above constraints, L1 may be limited to 240mm-260mm, and the distance L2 may be limited to 200mm-240mm. By limiting the vertical distance and the swing angle β of the first swing arm 310a, the overall swing deformation amount of the inverted trapezoid structure can be better controlled and a more stable swing state can be realized.

[0028] As shown in Figures 4 and 5, when the support member 320 swings, the first swing arm 310a swings toward the leg side of the iron frame (see the arrow F1 direction for details). When the first swing arm 310a swings toward the leg side to the maximum amplitude, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α1. α1 in Figure 4 may be defined as a positive value when it is above the horizontal line, and α1 in Figure 5 may be defined as a negative value when it is below the horizontal line. As shown in Figures 6 and 7, when the first swing arm 310a swings toward the back side of the iron frame (see the arrow F2 direction for details), the hinge connection part C and the hinge connection part D move. The operation relationship continues from FIG. 6 to FIG. 7, when the first swing arm 310a swings to the maximum amplitude toward the back side, the maximum angle between the connection line of the hinge connection part C' and the hinge connection part D' and the horizontal line is α2, and the angle α2 is defined as a positive value when it is above the horizontal line. Here, α1:α2:L2=(1°~-4°):(2°~6°):(200mm~240mm). From FIG. 7, it can be seen that the opening directions of α1 and α2 are opposite. α1 and α2 can be converted into the elevation and depression angles of the human sitting posture during the swing process. By limiting the above parameters, a better elevation and depression angle can be obtained when the human is sitting, and the comfort of at least the adjustment of the iron frame for the sofa to one or more postures of the sitting posture, the television posture, and the sleeping posture is satisfied.

[0029] Please refer to FIG. 6. The linear distance between the hanging point A and the hanging point B is L1, the linear distance between the hinge connection part C and the hinge connection part D is L2, and L1:L2=(240-260):(200-240). Please refer to FIG. 3 and FIG. 4. When the support member swings, the height difference between the highest position and the lowest position of the hinge connection part C is H1. Here, L1:L2:H1=(240-260):(200-240):(2-25). By limiting the above parameters, when a person sits, the height of the fluctuation in the swing process is controlled, so that a person can have a smoother swing experience, and further, the comfort of at least the adjustment of the iron frame for the sofa to one or more postures of the sitting posture, the TV posture, and the sleeping posture is satisfied.

[0030] Please refer to FIG. 6. The linear distance between the suspension points A and B is L1, the linear distance between the hinge connection parts C and D is L2, and L1:L2=(240-260):(200-240). The forward and backward swing value when the support member swings is L. Specifically, the forward and backward swing value L is the horizontal distance between the hinge connection part C when the first swing arm 310a swings to the maximum amplitude toward the leg side, and the hinge connection part C' when the first swing arm 310a swings to the maximum amplitude toward the back side. Here, L1:L2:L=(240-260):(200-240):(8-85). The forward and backward swing value L corresponds to the forward and backward distance of the iron frame during the swing process, and in some embodiments, by limiting the distance of L1 and / or L2 and / or L, the forward and backward swing range can be controlled, so that people can have a smoother swing experience, and at least the comfort of adjusting the iron frame for sofa to one or more positions of sitting position, TV position, and sleeping position is satisfied. For example, the length of L2 can be shortened by moving point C forward. That is, the swing range of L can be adjusted and the swing range can be reduced, which makes the swing smoother.

[0031] Please refer to FIG. 8. The linear distance between the suspension point A and the suspension point B is L1, and the linear distance between the hinge connection part C and the hinge connection part D is L2. In addition, the heights of the suspension point A and the suspension point B are on the same plane, and when the support member is in a natural hanging state, the suspension point A and the suspension point B are in a nearly horizontal state, so that the hinge connection part C and the hinge connection part D form a CD connection line, and the vertical distance between the suspension point A and the CD connection line is H. Here, L1:L2:H=(240-260):(200-240):(83-120). The above H value determines the height of the support member, and in practical use, it also limits the height of the iron frame above the ground during swinging. Exemplarily, when the support member 320 is in a naturally hanging state, the vertical distance H may be 90 mm, 112 mm, or 120 mm. As the support member 320 swings, the vertical distance H changes. The value of H is particularly important when the support member 320 is in a naturally drooping state in order to ensure the height of the sofa body and the ground and to ensure the seat height.

[0032] See Figures 1 and 9. In some embodiments, the swing mechanism may include a drive mechanism 500. A drive horizontal arm 330 is hinged between the drive end of the support member and two iron frame supports to swing the support member. Exemplarily, the first swing arm 310a may function as a drive arm through the drive horizontal arm 330, and the second swing arm 310b may function as a driven arm. Of course, in some embodiments, the second swing arm 310b may function as a drive arm, and the drive horizontal arm 330 may function as a driven arm.

[0033] Please refer to Fig. 1. As a selective connection method of the driving mechanism, the driving horizontal arm 330 is disposed between the first swing arms 310a of the two iron frame supports 300, and a hinge connection member 510 is disposed between the driving horizontal arm 330 and the driving end.

[0034] 1 is a schematic diagram of the driving motor 520, the curved arm 530, and the eccentric wheel 540 according to one embodiment. Of course, other embodiments may be realized, and FIG. 1 is merely a schematic diagram of the driving method according to one embodiment, and the swing mechanism is not limited to the specific embodiment of the driving motor 520, the curved arm 530, and the eccentric wheel 540 described above.

[0035] As shown in Fig. 9, taking the linear actuator 501 as an example, the longitudinal end of the linear actuator 501 functions as a driving end, and the longitudinal end of the linear actuator 501 and the driving horizontal arm 330 are hingedly connected. The swing angle of the first oscillating arm 310a is 10° to 55° depending on the extension / retraction distance of the linear actuator 501. The specific extension / retraction method of the linear actuator 501 is shown by the arrow F3 in Fig. 9, and the first oscillating arm swings as shown by the arrow F4.

[0036] Please refer to FIG. 1 and FIG. 10. Taking the eccentric wheel as a specific implementation mode, some operation modes of this embodiment will be described in detail. In some embodiments, the eccentric distance of the eccentric wheel 540 has a positive correlation with the swing range of the swing support frame. By limiting the eccentric distance of the eccentric wheel 540, the swing range of the support member 320 can be adjusted to meet the installation and swing requirements of various types of electric rocking chair iron frames. The specific parameter limits of the eccentric distance are shown in the table below. Specifically, the hanging point A and the hanging point B, the hinge connection part C and the hinge connection part D form a substantially inverted trapezoid, and the support member 320 supports the sofa iron frame and swings periodically in an elliptical orbit by the driving of the curved arm 530. Please refer to FIG. 3 to FIG. 7 for details.

[0037] The implementation of the eccentric ring 540 is specifically shown as follows with reference to Figures 6 and 10. The eccentric distance a is the distance between the axis O of the rotary bearing 550 and the axis O' of the output shaft 521 of the driving motor, and the rotary bearing 550 may be arranged concentrically therewith within the eccentric ring 540. When the support member swings, the height difference between the highest position and the lowest position of the hinge connection part C of the support member is H1, where a:H1=1:(1-2).

[0038] See Figures 6 and 10. In some embodiments, the eccentric distance is a. When the support member swings, the swing value before and after the hinge connection part C is L. Here, a:L=1:(3-5).

[0039] For example, for different eccentric distances, the corresponding values ​​of H1 and L are shown in the table below.

[0040] [Table 1]

[0041] In the above table, H2 is the elevation difference between point A and point C in Figure 6 when it is moved to the lowest point. H3 is the elevation difference between point C' and point A when point C in Figure 6 is moved to the highest point. The elevation difference H1 = H2 - H3.

[0042] L3 is the horizontal movement distance of the point C' relative to the perpendicular line of the suspension point A when the hinge connection part C in FIG. 6 moves to the limit in the F1 direction on the leg side, and L4 is the horizontal movement distance of the point C' relative to the perpendicular line of the suspension point A when the hinge connection part C moves to the limit in the F2 direction on the back side. In the table, when the hinge connection part is located to the right of the perpendicular line of the suspension point A, a positive value such as the numerical value 23.65 to 3.6 of L3 in the table is set. When the hinge connection part is located to the left of the perpendicular line of the suspension point A, a negative value such as -1.47 to -11.67 is set. FIG. 6 shows an example in which the hinge connection part is located to the left of the perpendicular line of the suspension point A, and the difference between L3 and L4 is defined as the swing value L=|L4-L3|.

[0043] As can be seen from the above table, the range of height difference H1 corresponds to the eccentric distance a between (a, 2a). The range of swing value L corresponds to the eccentric distance a between (3a, 5a).

[0044] Please refer to Figures 1 to 4. At least one embodiment further provides a swing mechanism. The swing mechanism may specifically further include a base. The swing support frame 200 is disposed on the base and includes a left support 210a and a right support 210b. A pair of hanging points A and B are provided at both ends of the upper part of the left support 210a and the right support 210b, respectively. The two iron frame supports 300 each include a first swing arm 310a and a second swing arm 310b, respectively. The upper ends of the first swing arm 310a and the second swing arm 310b are hinged to the hanging points A and B of the corresponding supports, respectively, and the lower ends of the first swing arm 310a and the second swing arm 310b are hinged to the hinge connection parts C and D of the support member 320, respectively, and the swing angle of the first swing arm 310a is 10° to 55°. The linear distance between the hanging points A and B is L1, and the linear distance between the hinge connection parts C and D is L2, and L1:L2=(240mm to 260mm):(200mm to 240mm). In this embodiment, the support member 320 may be realized by a connecting rod located at the bottom of the iron frame left piece 400a and the iron frame right piece 400b in FIG. 11. This embodiment does not limit the attribution of the support member 320. Figure 11 is a schematic diagram of another embodiment of the swing mechanism provided in the embodiment of the present invention. The support member 320 may be a part of the bottom of the iron frame for the sofa. Therefore, in some embodiments, whether the support member 320 of the swing mechanism described above is a part of the iron frame for the sofa or not does not prevent the specific realization of the swing mechanism.

[0045] Please refer to FIG. 1 to FIG. 4. At least one embodiment further provides a swing mechanism and a drive mechanism 500. The swing mechanism may specifically further include a left support 210a and a right support 210b, each of which has a hanging point A and a hanging point B at both ends of its upper portion. The first swing arm 310a and the second swing arm 310b correspond to the support, and their upper ends are hinged to the hanging points A and B, respectively, and their lower ends are hinged to the hinge connection parts C and D of the support member 320, respectively. Here, the linear distance between the hanging point A and the hanging point B is L1, and the linear distance between the hinge connection parts C and D is L2, and L1:L2=(240mm~260mm):(200mm~240mm). The driving mechanism 500 is used to swing the first swing arm and the second swing arm simultaneously, and the swing angle of the first swing arm is 10° to 55°. In this embodiment, the support member 320 may be realized by a connecting rod located at the bottom of the left iron frame piece 400a and the right iron frame piece 400b in FIG. 11. This embodiment does not limit the attribution of the support member 320.

[0046] Regarding the parameter constraint conditions related to the approximately inverted trapezoidal structure formed by suspension point A, suspension point B, hinge connection part C and hinge connection part D, please refer to the above embodiment, and the explanation will be omitted here.

[0047] In some embodiments, for specific implementations of the drive mechanism 500, please refer to the above description.

[0048] Please refer to Figures 2 and 3. At least one embodiment further provides an electric rocking chair with a swing mechanism and a sofa iron frame. The sofa iron frame is disposed on the support member 320 and includes a left piece and a right piece (e.g., the left iron frame piece 400a, the right iron frame piece 400B), and the support ends of the left piece and the right piece are respectively attached to the corresponding support member.

[0049] In some embodiments, at least two support ends of the left and right pieces of the iron frame are each connected to a first iron frame connection portion located on the opposite side of the leg of the iron frame relative to hinge connection portion C, and a second iron frame connection portion located on the back side of the iron frame relative to hinge connection portion D.

[0050] Please refer to Fig. 11. The support member 320 may be a part of the bottom of the iron frame for the sofa. Therefore, the support member 320 may be disposed independently as shown in Figs. 1 to 10, or may be considered as a part of the iron frame for the sofa as a whole as shown in Fig. 11.

[0051] Since the support member can be arranged independently or as a part of the sofa iron frame, the iron frame connection part can be specifically adjusted according to the actual situation. If the hanging point A, the hanging point B, the hinge connection part C and the hinge connection part D form a roughly inverted trapezoid, and the support member 320 is located at the lower part of the inverted trapezoid, the technical effect corresponding to the swing mechanism can be achieved.

[0052] To sum up, for a swing mechanism and electric rocking chair, limitations on the forward / backward swing distance and the upward / downward fluctuation distance are realized by constructing a substantially inverted trapezoidal structure using suspension point A, suspension point B, hinge connection part C, and hinge connection part D. When attaching an iron frame to this swing mechanism, the support positions of the bottoms of the left and right pieces of the iron frame can be made to correspond to the iron frame connection parts of the support members, improving the attachment compatibility of the iron frame and allowing the same swing effect to be obtained even when different types of iron frames are attached.

[0053] In the above discussion, unless otherwise stated, the terms "about," "approximately," "substantially," and the like, when used to describe a numerical value, refer to a variance of + / - 10% of that value.

[0054] In this specification, when a first component is referred to as being located on a second component, this means that the first component may be directly formed on the second component, or that a third component may be interposed between the first component and the second component. In addition, in the drawings, the thickness of parts may be enlarged or reduced in order to effectively explain the technical content.

[0055] As used herein, when an element or layer is referred to as being "located on," "coupled," "connected," "attached," or "connected" to another element or layer, it may be directly located on, coupled, connected, attached, or connected to another element or layer, or there may be intervening elements or layers. In contrast, when an element is referred to as being "directly located on," "directly coupled," "directly connected," "directly attached," or "directly connected" to another element or layer, there may be no intervening elements. Other words used to describe relationships between elements should be interpreted similarly (e.g., "between" and "directly between," "adjacent" and "directly adjacent," etc.). As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0056] In the present specification, the embodiments of the present disclosure are described in more detail with reference to the drawings. As used herein, phrases such as "at least one of ..." when following a list of elements, do not modify individual elements in the list, but rather modify the entire list of elements. For example, the phrase "at least one of a, b, and c" should be understood to include a only, b only, c only, both a and b, both a and c, both b and c, or all of a, b, and c.

[0057] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular articles "a", "one" and "the" may be intended to include the plural unless the context clearly dictates otherwise. The terms "including", "comprising" and "having" are inclusive and thus specify the presence of features, steps, operations, elements and / or components but do not exclude the presence or addition of one or more other features, steps, operations, elements, components and / or combinations thereof.

[0058] The above preferred embodiments of the present invention are given, and those skilled in the art can make various changes and modifications based on the above description without departing from the technical spirit of the present invention. The technical scope of the present invention is not limited to the content of the specification, and should be determined based on the scope of the utility model claims. [Explanation of symbols]

[0059] 100 base 200 Swing Support Frame 210a Left support 210b Right support member A Suspension point B Suspension point 300 Iron frame support 310a First swing arm 310b Second swing arm 320 Supporting members 321 First iron frame connection part 322 Second iron frame connection part 330 Drive horizontal arm C Hinge connection D Hinge connection 400a Iron frame left piece 400b Iron frame right piece 500 Drive Mechanism 501 Linear Actuator 510 Hinge connection member 520 Drive motor 521 Drive motor output shaft 530 curved arm 540 Eccentric wheel 550 Rotary Bearing

Claims

1. A swing mechanism comprising: It comprises a base, a swing support frame and two iron frame supports; The swing support frame is disposed on the base and includes left and right support members, and a suspension point A and a suspension point B are provided at both ends of the upper part of the left and right support members, respectively; The two iron frame supports are respectively disposed outside the left and right supports, and respectively include a first swing arm and a second swing arm, the upper ends of the first swing arm and the second swing arm are respectively hingedly connected to the hanging points A and B of the corresponding supports, and the lower ends of the first swing arm and the second swing arm are respectively hingedly connected to the hinge connection parts C and D of the support member; A swing mechanism characterized in that at least one first iron frame connection portion is provided on the support member on the opposite side of the leg of the iron frame with respect to hinge connection portion C, and at least one second iron frame connection portion is provided on the back side of the iron frame with respect to hinge connection portion D.

2. The swing angle of the first swing arm is 10° to 55°, The swing mechanism according to claim 1, characterized in that the straight-line distance between the hanging point A and the hanging point B is L1, the straight-line distance between the hinge connection part C and the hinge connection part D is L2, and L1:L2=(12-13):(10-12).

3. When the support member swings, When the first swing arm swings toward the leg side of the iron frame, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α1, When the first swing arm swings toward the rear side of the iron frame, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α2, The linear distance between the hinge connection portion C and the hinge connection portion D is L2, The swing mechanism according to claim 1, characterized in that α1:α2:L2=(1° to -4°):(2° to 6°):(200 mm to 240 mm).

4. A linear distance between the suspension point A and the suspension point B is L1, a linear distance between the hinge connection part C and the hinge connection part D is L2, and L1:L2=(240 to 260):(200 to 240), When the support member swings, the height difference between the highest position and the lowest position of the hinge connection part C is H1, 2. The swing mechanism according to claim 1, characterized in that L1:L2:H1=(240-260):(200-240):(2-25).

5. A linear distance between the suspension point A and the suspension point B is L1, a linear distance between the hinge connection part C and the hinge connection part D is L2, and L1:L2=(240 to 260):(200 to 240), When the support member swings, the front-rear swing value of the hinge connection part C is L, 2. The swing mechanism according to claim 1, characterized in that L1:L2:L=(240-260):(200-240):(8-85).

6. A linear distance between the suspension point A and the suspension point B is L1, and a linear distance between the hinge connection portion C and the hinge connection portion D is L2. The heights of the suspension points A and B are substantially on the same plane, and when the support member is in a natural suspension state, the vertical distance between the suspension point A or the suspension point B and the connection line of the hinge connection part C and the hinge connection part D is H; 2. The swing mechanism according to claim 1, characterized in that L1:L2:H=(240-260):(200-240):(83-120).

7. a drive mechanism, a drive horizontal arm is hinged between a drive end of the drive mechanism and the two iron frame supports to swing the support member; 2. The swing mechanism according to claim 1, wherein the driving horizontal arm is disposed between the first swing arms of the two iron frame supports, and a hinge connection member is disposed between the driving horizontal arm and the driving end.

8. a drive mechanism, a drive horizontal arm is hinged between a drive end of the drive mechanism and the two iron frame supports to swing the support member; The drive mechanism includes a drive motor, a curved arm, and an eccentric wheel; one end of the curved arm functions as the driving end, and the other end is rotatably connected to a driving shaft of the driving motor via the eccentric wheel; 2. The swing mechanism according to claim 1, wherein the eccentric distance of said eccentric wheel has a positive correlation with the swing width of said support member.

9. the eccentric distance is a, When the support member swings, the height difference between the highest position and the lowest position of the hinge connection part C of the support member is H1, The swing mechanism according to claim 8, characterized in that a:H1=1:(1 to 2).

10. the eccentric distance is a, When the support member swings, the front-rear swing value of the hinge connection part C is L, 9. The swing mechanism according to claim 8, wherein a:L=1:(3 to 5).

11. a drive mechanism, a drive horizontal arm is hinged between a drive end of the drive mechanism and the two iron frame supports to swing the support member; The driving mechanism is a linear actuator, and a longitudinal end of the linear actuator functions as the driving end; 2. The swing mechanism according to claim 1, wherein the swing angle of the first swing arm is between 10° and 55° depending on the extension / contraction distance of the linear actuator.

12. A swing mechanism comprising: The swing support frame includes a base, a swing support frame, and two of the iron frame supports. The swing support frame is disposed on the base and includes left and right support members, and a suspension point A and a suspension point B are provided at both ends of the upper part of the left and right support members, respectively; The two iron frame supports are respectively disposed outside the left and right supports, and respectively include a first swing arm and a second swing arm, the upper ends of the first swing arm and the second swing arm are respectively hingedly connected to the hanging points A and B of the corresponding supports, and the lower ends of the first swing arm and the second swing arm are respectively hingedly connected to the hinge connection parts C and D of the support members; The swing angle of the first swing arm is 10° to 55°, A swing mechanism characterized in that the straight-line distance between the hanging point A and the hanging point B is L1, the straight-line distance between the hinge connection part C and the hinge connection part D is L2, and L1:L2=(240 mm to 260 mm):(200 mm to 240 mm).

13. When the support member swings, when the first swing arm swings toward the leg side of the iron frame, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α1, when the first swing arm swings toward the back side of the iron frame, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α2, when the support member swings, the height difference between the highest position and the lowest position of the hinge connection part C is H1, when the support member swings, the front-to-rear swing value of the hinge connection part C is L, the heights of the suspension point A and the suspension point B are almost on the same plane, when the support member is in a natural suspension state, the vertical distance between the suspension point A or the suspension point B and the connection line of the hinge connection part C and the hinge connection part D is H, Where: α1:α2:L2=(1° to −4°):(2° to 6°):(200 mm to 240 mm), Or, L1:L2:H1=(240 mm to 260 mm):(200 mm to 240 mm):(2 mm to 25 mm), Or, L1:L2:L=(240 mm to 260 mm):(200 mm to 240 mm):(8 mm to 85 mm), Or, the swing mechanism according to claim 12, characterized in that L1:L2:H=(240 mm to 260 mm):(200 mm to 240 mm):(83 to 120).

14. The support member swings by being driven by a drive mechanism, The drive mechanism includes a drive motor, a curved arm, and an eccentric wheel; One end of the curved arm functions as a driving end, and the other end is rotatably connected to a driving shaft of the driving motor via the eccentric wheel, The eccentric distance of the eccentric wheel has a positive correlation with the swing width of the support member. Alternatively, the support member swings by being driven by the drive mechanism, The driving mechanism is a linear actuator, and a longitudinal end of the linear actuator functions as the driving end; 13. The swing mechanism according to claim 12, wherein the extension distance of the linear actuator corresponds to a swing angle of the first swing arm of 10° to 55°.

15. A swing mechanism comprising: The apparatus includes a left support member, a right support member, a first swing arm, a second swing arm, and a drive mechanism, and a suspension point A and a suspension point B are provided at both ends of the upper portion of the left support member and the right support member, respectively; The first swing arm and the second swing arm correspond to the support, and the upper ends are hinged to the hanging points A and B, respectively, and the lower ends are hinged to the hinge connection parts C and D of the support member, respectively. The linear distance between the hanging points A and B is L1, and the linear distance between the hinge connection parts C and D is L2, and L1:L2=(240mm-260mm):(200mm-240mm); A swing mechanism characterized in that the drive mechanism is used to swing the first swing arm and the second swing arm simultaneously, and the swing angle of the first swing arm is 10° to 55°.

16. When the support member swings, when the first swing arm swings toward the leg side of the iron frame, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α1, when the first swing arm swings toward the back side of the iron frame, the maximum angle between the connection line of the hinge connection part C and the hinge connection part D and the horizontal plane is α2, when the support member swings, the height difference between the highest position and the lowest position of the hinge connection part C is H1, when the support member swings, the front-to-rear swing value of the hinge connection part C is L, the heights of the suspension point A and the suspension point B are almost on the same plane, when the support member is in a natural suspension state, the vertical distance between the suspension point A or the suspension point B and the connection line of the hinge connection part C and the hinge connection part D is H, Where: α1:α2:L2=(1° to −4°):(2° to 6°):(200 mm to 240 mm), Or, L1:L2:H1=(240 mm to 260 mm):(200 mm to 240 mm):(2 mm to 25 mm), Or, L1:L2:L=(240 mm to 260 mm):(200 mm to 240 mm):(8 mm to 85 mm), Or, the swing mechanism according to claim 15, characterized in that L1:L2:H=(240 mm to 260 mm):(200 mm to 240 mm):(83 to 120).

17. An electric rocking chair, comprising a swing mechanism according to any one of claims 1 to 16 and an iron frame for a sofa, The electric rocking chair is characterized in that the iron frame for the sofa is disposed on the support member and includes a left iron frame piece and a right iron frame piece, and the support ends of the left iron frame piece and the right iron frame piece are respectively attached to the corresponding support members.

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