A connection structure

Abstract

The application provides a connecting structure, comprising a first part and a second part. The first part is provided with a first mounting hole for mounting a first shaft, which rotates around a first axis relative to the connecting structure in the first mounting hole. The second part is provided with a second mounting hole for mounting a second shaft, which rotates around a second axis relative to the connecting structure in the second mounting hole. The first axis and the second axis are not parallel and staggered. By staggering the first axis around which the first shaft rotates and the second axis around which the second shaft rotates, the first shaft and the second shaft can rotate respectively when the swing movement of the first shaft is transmitted to the second shaft, and the flexibility of movement transmission is increased.

Description

Technical Field

[0001] The present invention relates to the field of swing structures, in particular to a connection structure used in a swing structure. Background Art

[0002] Currently, when a rocking structure transmits the rocking motion of a rocking arm to a rocked component, the rocked component may need to rotate before it can move. Currently, the rocking structure and the rocked component are all rigidly connected, which may result in a situation where the rocking component cannot swing. Summary of the Invention

[0003] The present invention aims to solve at least one of the technical problems in the prior art. To this end, the present invention provides a connection structure.

[0004] According to an embodiment of the first aspect of the present invention, a connection structure includes a first portion and a second portion. The first portion defines a first mounting hole for mounting a first shaft, which rotates relative to the connection structure about a first axis within the first mounting hole. The second portion defines a second mounting hole for mounting a second shaft, which rotates relative to the connection structure about a second axis within the second mounting hole. The first and second axes are arranged in a non-parallel, staggered manner.

[0005] According to the connection structure of the embodiment of the first aspect of the present invention, there are at least the following beneficial effects: by arranging the first mounting hole and the second mounting hole to respectively install the first shaft and the second shaft, and making the first axis around which the first shaft rotates and the second axis around which the second shaft rotates non-parallel and staggered, it is possible to enable the first shaft and the second shaft to rotate separately when the swinging motion of the first shaft is transmitted to the second shaft, thereby increasing the flexibility of motion transmission.

[0006] According to some embodiments of the present invention, the first portion and the second portion are fixedly connected.

[0007] According to some embodiments of the present invention, the first portion and the second portion are integrally formed.

[0008] According to some embodiments of the present invention, bearings are disposed in both the first mounting hole and the second mounting hole.

[0009] According to some embodiments of the present invention, the device further includes a first limiting assembly configured to limit movement of the first shaft relative to the first part between an upper limit position and a lower limit position.

[0010] According to some embodiments of the present invention, the first mounting hole is a through hole, the first shaft is arranged to pass through the first mounting hole, and the first limiting assembly includes a first abutting portion and a second abutting portion protruding from the first shaft, the first abutting portion and the second abutting portion are respectively located on both sides of the first part, when the first abutting portion abuts against the first part, the first shaft is at the upper limit position relative to the first part, and when the second abutting portion abuts against the first part, the first shaft is at the lower limit position relative to the first part.

[0011] According to some embodiments of the present invention, the first limiting assembly includes a first groove opened on the first shaft, the first groove is located in the first mounting hole, and also includes a first protrusion connected to the first part, the first protrusion at least partially extending into the first groove.

[0012] According to some embodiments of the present invention, the first protrusion is detachably connected to the hole wall of the first hole.

[0013] Additional aspects and advantages of the present invention will be set forth in part in the description which follows and, in part, will be obvious from the description which follows, or may be learned by practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the following description of the embodiments with reference to the accompanying drawings, in which:

[0015] Figure 1 It is a schematic diagram of the connection structure of the present invention;

[0016] Figure 2 yes Figure 1 A cross-sectional view of the connection structure in FIG.

[0017] Figure 3 It is a structural diagram of the connection structure from another perspective;

[0018] Figure 4 is a schematic structural diagram of a first axis in some embodiments;

[0019] Figure 5 is a schematic structural diagram of the first axis in some other embodiments;

[0020] Figure 6 yes Figure 5 A magnified view of middle A;

[0021] Figure 7 It is a structural diagram of the connection structure and the seat assembly.

[0022] Reference numerals:

[0023] Connecting structure 100,

[0024] First portion 110, first mounting hole 111, first shaft 112;

[0025] Second portion 120, second mounting hole 121, second shaft 122;

[0026] Bearing 130;

[0027] A first abutting portion 140 and a second abutting portion 141;

[0028] A first groove 150, a first protruding portion 151;

[0029] Seat assembly 160 . DETAILED DESCRIPTION

[0030] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that descriptions involving orientations, such as up, down, inside, outside, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on the present invention.

[0032] In the description of the present invention, the first, second and third are only used to distinguish technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the sequence of the indicated technical features.

[0033] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, assembling, and matching should be understood in a broad sense. Technical personnel in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0034] See also Figure 1-2As shown, a connection structure 100 according to an embodiment of the first aspect of the present invention. The connection structure 100 includes two parts, a first part 110 and a second part 120. The first part 110 is provided with a first mounting hole 111, and the first mounting hole 111 is used to mount a first shaft 112. The first shaft 112 rotates around a first axis 112 line relative to the connection structure 100 in the first mounting hole 111. The first shaft 112 can be connected to a rocking arm, or the first shaft 112 can be part of a rocking arm, or the first shaft 112 is the rocking arm itself. Of course, the first shaft 112 can also be connected to a target to be shaken (such as a seat). In the following example, the first shaft 112 is part of a rocking arm. It can be understood that the first axis 112 line can coincide with the axis of the first shaft 112 and the center line of the first mounting hole 111, or of course it can be set to not coincide. The second portion 120 is provided with a second mounting hole 121 for mounting a second shaft 122. The second shaft 122 rotates within the second mounting hole 121 relative to the connecting structure 100 around a second shaft 122 line. The first shaft 112 line and the second shaft 122 line are arranged in a non-parallel and staggered manner. As mentioned above, the second shaft 122 can be connected to an object to be shaken (such as a seat or other object to be shaken). It is understood that the second shaft 122 line can coincide with the axis of the second shaft 122 and the center line of the second mounting hole 121, or of course, can be arranged to not coincide. By arranging the first mounting hole 111 and the second mounting hole 121 to respectively mount the first shaft 112 and the second shaft 122, and making the first shaft 112 line around which the first shaft 112 rotates and the second shaft 122 line around which the second shaft 122 rotates non-parallel and staggered, it is possible to ensure that when the swinging motion of the first shaft 112 is transmitted to the second shaft 122, the first shaft 112 and the second shaft 122 can rotate separately, thereby increasing the flexibility of motion transmission.

[0035] See also Figure 1As shown, in some embodiments, the first part 110 and the second part 120 are fixedly connected. Although the first part 110 is fixedly connected to the second part 120, the connection structure 100 still has great flexibility when transmitting power through the first mounting hole 111 and the second mounting hole 121. For example, the first shaft 112 installed in the first mounting hole 111 can drive the second shaft 122 installed in the second mounting hole 121 to swing, but at the same time, the first shaft 112 and the second shaft 122 can each rotate in the first mounting hole 111 and the second mounting hole 121 respectively. It is understandable that the first part 110 and the second part 120 can also be movably connected by a connecting component. In some embodiments, for ease of manufacturing, the first part 110 and the second part 120 are integrally formed. It is understandable that the first part 110 and the second part 120 can also be separately provided. In some embodiments, bearings 130 are provided in both the first mounting hole 111 and the second mounting hole 121. The first shaft 112 and the second shaft 122 are supported by the bearings 130. See Figure 2 The second shaft 122 is supported by bearings 130 at both ends thereof. Although not shown in the figure, the connection structure 100 also has bearings 130 for supporting the first shaft 112 .

[0036] In some embodiments, a first limiting assembly is further included to limit the movement of the first shaft 112 relative to the first portion 110 between an upper limit position and a lower limit position. In some cases, when the swinging component is connected to multiple (e.g., two) connecting structures 100, since the swinging amplitudes of the first shafts 112 of the multiple connecting structures 100 are inconsistent, it is necessary to ensure that the first shaft 112 can move within a certain range relative to the first portion 110. Otherwise, the first shaft 112 may not be able to swing.

[0037] See also Figure 2-4As shown, in some embodiments, the first mounting hole 111 is a through hole, and the first shaft 112 is disposed through the first mounting hole 111. The first limiting assembly includes a first abutting portion 140 and a second abutting portion 141 protruding from the first shaft 112. The first abutting portion 140 and the second abutting portion 141 are respectively located on either side of the first portion 110. When the first abutting portion 140 abuts the first portion 110, the first shaft 112 is at an upper limit relative to the first portion 110. When the second abutting portion 141 abuts the first portion 110, the first shaft 112 is at a lower limit relative to the first portion 110. That is, the first abutting portion 140 and the second abutting portion 141 disposed on the first shaft 112 limit the relative motion between the first portion 110 and the first shaft 112 between the first abutting portion 140 and the second abutting portion 141. This allows multiple first shafts 112 to swing within a certain range even if the swing amplitudes of the multiple first shafts 112 are inconsistent. At the same time, the first shaft 112 is prevented from being separated from the first mounting hole 111. Figure 7 The seat assembly 160 is connected to two connecting structures 100 at both ends, specifically, the second shafts 122 connected to the two connecting structures 100. The first shaft 112 is part of a rocking arm, and the rocking motion of the first shaft 112 drives the rocking of the seat assembly 160. The rocking of the two first shafts 112 is asynchronous, so the first limit assembly prevents the first shaft 112 from separating from the connecting structure 100 while allowing the rocking motion of the first shaft 112 to be transmitted to the seat assembly 160, allowing the seat assembly 160 to rock. Otherwise, the seat assembly 160 would be unable to rotate due to the inconsistent rocking of the first and second shafts 112, 122. Because the connecting structure 100 undergoes a certain amount of vertical and horizontal displacement when moving between the first abutment portion 140 and the second abutment portion 141, this offsets the effects of the asynchronous motion of the first and second shafts 112, allowing the seat assembly 160 to rock even when the first and second shafts 112, 122, move asynchronously.

[0038] See also Figure 5-6 As shown, in some embodiments, the first limiting assembly includes a first groove 150 defined on the first shaft 112, the first groove 150 being located within the first mounting hole 111, and a first protrusion 151 connected to the first portion 110, the first protrusion 151 at least partially extending into the first groove 150. The first protrusion 151 and the groove limit the relative movement between the first portion 110 and the first shaft 112 between the ends of the first groove 150. In some embodiments, the first protrusion 151 is detachably connected to the wall of the first hole for easy replacement.

[0039] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the scope of the present invention.

Claims

1. A connection structure, characterized in that: include a first portion, wherein the first portion is provided with a first mounting hole, the first mounting hole being used for mounting a first shaft, the first shaft being rotatable around a first axis relative to the connecting structure within the first mounting hole; a second portion, wherein the second portion is provided with a second mounting hole, the second mounting hole being used for mounting a second shaft, the second shaft being rotatable relative to the connecting structure about a second axis within the second mounting hole; The first axis and the second axis are arranged in a non-parallel and staggered manner; The first part and the second part are fixedly connected; Also included is a first limiting assembly, the first limiting assembly limiting the first shaft from moving relative to the first portion between an upper limit position and a lower limit position; The first part and the second part are integrally formed; Two connecting structures are connected to both ends of the seat assembly, and the seat assembly is connected to the second shafts of the two connecting structures. The first shaft is a part of the rocking arm, and the seat assembly is driven to rock by the rocking motion of the first shaft. The rocking rhythm of the two first shafts is not synchronized. The first limiting assembly restricts the first shaft from being separated from the connecting structure, while allowing the rocking of the first shaft to be transmitted to the seat assembly, thereby allowing the seat assembly to swing.

2. The connection structure according to claim 1, wherein: Bearings are provided in both the first mounting hole and the second mounting hole.

3. The connection structure according to claim 1, wherein: The first mounting hole is a through hole, and the first shaft is arranged to pass through the first mounting hole. The first limiting assembly includes a first abutting portion and a second abutting portion protruding from the first shaft. The first abutting portion and the second abutting portion are respectively located on both sides of the first part. When the first abutting portion abuts against the first part, the first shaft is at the upper limit position relative to the first part. When the second abutting portion abuts against the first part, the first shaft is at the lower limit position relative to the first part.

4. The connection structure according to claim 1, wherein: The first limiting assembly includes a first groove formed on the first shaft, the first groove being located in the first mounting hole, and a first protrusion connected to the first portion, the first protrusion at least partially extending into the first groove.

5. The connection structure according to claim 4, characterized in that: The first protruding portion is detachably connected to the hole wall of the first hole.

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