CN211648768U - Linkage structure for hinging - Google Patents
Linkage structure for hinging Download PDFInfo
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- CN211648768U CN211648768U CN201922123681.1U CN201922123681U CN211648768U CN 211648768 U CN211648768 U CN 211648768U CN 201922123681 U CN201922123681 U CN 201922123681U CN 211648768 U CN211648768 U CN 211648768U
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Abstract
The utility model discloses a linkage structure for hinging, which comprises a linkage guide main seat, wherein two linkage guide main grooves are arranged on the linkage guide main seat, and the two linkage guide main grooves are centrosymmetric about the center of the linkage guide main seat; a linkage frame used for connecting the pieces to be hinged is connected in each linkage guide main groove in a sliding manner; each linkage frame is provided with internal teeth, each internal tooth is engaged and connected with a straight gear, an axle center is fixedly penetrated in a gear hole of each straight gear, and at least one end of each axle center is fixedly sleeved with linkage teeth; two linkage teeth positioned at the same end of the two axes are meshed and connected. The linkage structure can enable the two linkage frames to synchronously rotate, and further enable the two pieces to be hinged to be linked; still can make two wait the articulated elements respectively around the central line upset rather than the linkage direction total trough that corresponds to it can give up sufficient space and hold the flexion of flexible display screen between the two when realizing two waiting the articulated elements closed condition.
Description
Technical Field
The utility model relates to an articulated field especially relates to a be used for articulated linkage.
Background
With the development of display technology, foldable flexible display screens have gradually become a research and development hotspot in the technical field of electronic display devices. Generally, a foldable flexible display includes a flexible display and a folding mechanism that allows the flexible display to be unfolded from a folded state to a flat state (180 °). However, when the existing folding mechanism is opened or folded, the two parts connected with the folding mechanism are turned independently, namely the two parts cannot be linked, so that the two opposite surfaces of the flexible display screen cannot be linked.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be used for articulated linkage structure, solve above problem.
To achieve the purpose, the utility model adopts the following technical proposal:
a linkage structure for hinging comprises a linkage guide main seat, wherein two linkage guide main grooves are formed in the linkage guide main seat, and the two linkage guide main grooves are centrosymmetric about the center of the linkage guide main seat; a linkage frame used for connecting a to-be-hinged member is connected in each linkage guide main groove in a sliding manner;
each linkage frame is provided with internal teeth, each internal tooth is in meshed connection with a straight gear, an axis is fixedly arranged in a gear hole of each straight gear in a penetrating manner, and at least one end of each axis is fixedly sleeved with linkage teeth; and the two linkage teeth positioned at the same end of the two axes are meshed and connected.
Optionally, the linkage structure further comprises a long flat gasket, two long flat gasket holes are formed in the long flat gasket, and first ends of the two axes are respectively rotatably inserted into the two long flat gasket holes; and the first end of each axle center is also fixedly sleeved with a short flat gasket, and the short flat gasket is tightly attached to the long flat gasket.
Optionally, the first end of each axle center is further rotatably sleeved with an elastic sheet, is in threaded connection with a nut, and is fixedly sleeved with the linkage teeth;
and on the first end of each axle center, the nut, the elastic sheet, the short flat gasket, the long flat gasket and the linkage teeth are sequentially arranged in the sequence from far to near from the straight gear.
Optionally, the linkage structure further includes another long flat gasket fixedly sleeved at the second ends of the two axes and another two linkage teeth engaged with each other.
Optionally, an axis cap is fixedly arranged at the second end of each axis, and the diameter of the axis cap is larger than that of the axis;
and on the second end of each axle center, the axle center cap, the long flat gasket and the linkage teeth are sequentially arranged according to the sequence of the distance from the straight gear to the straight gear from far to near.
Optionally, the linkage structure further comprises a connecting seat, a connecting seat groove is formed in the connecting seat, and the linkage guide main seat is fixedly embedded in the connecting seat groove.
Optionally, each linkage frame includes a linkage flat plate for fixedly connecting to-be-hinged members and a linkage sliding plate for sliding in the linkage guide main groove, and the linkage flat plate is fixedly connected to the linkage sliding plate; the notch of the connecting seat groove is also provided with a connecting seat abdicating groove for the extension of the linkage flat plate;
the linkage sliding plate is a semi-arc plate, and the internal teeth are arranged on the arc surface of the linkage sliding plate facing the notch of the connecting seat groove; the linkage guide main groove is a semi-arc groove.
Optionally, the linkage guide main base comprises two first linkage guide sub-bases and a second linkage guide sub-base, wherein the two first linkage guide sub-bases and the second linkage guide sub-bases are fixedly embedded in the connecting base groove;
two sides of the second linkage guide sub-base are respectively adjacent to the first linkage guide sub-base; two side surfaces, facing the first linkage guide sub-seats, of the second linkage guide sub-seats are respectively provided with a second linkage guide sub-groove for guiding the linkage sliding plate, and the side surfaces, facing the second linkage guide sub-seats, of the first linkage guide sub-seats are respectively provided with a first linkage guide sub-groove for guiding the linkage sliding plate;
and two sides of the linkage sliding plate respectively slide along the corresponding first linkage guide sub-groove and the corresponding second linkage guide sub-groove, and the corresponding first linkage guide sub-groove and the corresponding second linkage guide sub-groove form the linkage guide main groove.
Optionally, the first linkage guide sub-groove includes a first linkage guide a groove with at least two openings on two sides and a first linkage guide notch extending along a groove wall in the first linkage guide a groove, and the first linkage guide notch and a groove wall of the connecting seat groove form a first linkage guide B groove communicated with the first linkage guide a groove;
the second linkage guide sub-groove comprises a second linkage guide A groove with at least two sides opened and a second linkage guide notch extending along the inner groove wall of the second linkage guide opening groove, and the second linkage guide notch and the groove wall of the connecting seat groove form communication with a second linkage guide B groove of the second linkage guide A groove.
Optionally, two of the second linkage guide sub-bases are centrosymmetric with respect to a central point of the first linkage guide sub-base, and the first linkage guide sub-base is centrosymmetric with respect to its own center.
Compared with the prior art, the utility model discloses following beneficial effect has:
the utility model provides a linkage structure can make two linkage framves rotate in step through setting up of internal tooth, straight-teeth gear, axle center and linkage tooth, and then can make two wait the articulated elements linkage. Further, the utility model discloses a setting of linkage direction total trough and linkage slide can make two wait the articulated elements to wind the central line upset rather than the linkage direction total trough that corresponds respectively to realize two and wait that the articulated elements can make out sufficient space and hold the flexion of flexible display screen between the two when closed state.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.
The structure, ratio, size and the like shown in the drawings of the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention does not have the substantial significance in the technology, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy which can be produced by the present invention and the achievable purpose.
Fig. 1 is a schematic structural diagram of a linkage structure provided in an embodiment of the present invention;
fig. 2 is an exploded schematic view of a linkage structure according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a connection seat according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a linkage guide assembly provided in an embodiment of the present invention;
fig. 5 is a schematic view of a linkage structure in a flat state according to an embodiment of the present invention;
FIG. 6 is an enlarged schematic view of the circled portion of FIG. 5;
fig. 7 is a schematic view of the linkage structure according to the embodiment of the present invention in a folded state;
fig. 8 is an enlarged schematic view of a circled portion in fig. 7.
Illustration of the drawings: 11. a linkage guide main seat; 110. the accommodating space is linked; 111. a first linkage guide sub-base; 112. a second linkage guide sub-base; 113. a first linkage guide sub-groove; 1131. a first linkage guide A groove; 1132. a first linkage guide notch; 114. a second linkage guide sub-groove; 1141. a second linkage guide A groove; 1142. a second linkage guide notch; 12. a linkage guide main groove; 13. a linkage frame; 130. internal teeth; 131. a linkage sliding plate; 132. a linkage flat plate; 141. a spur gear; 142. an axis; 143. a linkage tooth; 144. a long flat gasket; 145. a short flat gasket; 146. a spring plate; 147. a nut; 148. an axle center cap; 2. a connecting seat; 21. a connecting seat slot; 22. the connecting seat is provided with a recess; 3. a member to be articulated; 4. a flexible display screen; 40. a curved portion.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and obviously, the embodiments described below are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. It should be noted that when one component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present.
The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present invention provides a linkage structure for hinge joint, including a linkage guide main seat 11, two linkage guide main grooves 12 are disposed on the linkage guide main seat 11, and the two linkage guide main grooves 12 are centrosymmetric with respect to the center of the linkage guide main seat 11. And a linkage frame 13 for connecting the hinge parts 3 to be connected is connected in each linkage guide main groove 12 in a sliding manner.
Referring to fig. 2-4, each linkage frame 13 is provided with an internal tooth 130, each internal tooth 130 is engaged with a spur gear 141, a shaft center 142 is fixedly inserted into a gear hole of each spur gear 141, and at least one end of each shaft center 142 is fixedly sleeved with a linkage tooth 143. Two coupling teeth 143 at the same end of the two shafts 142 are engaged.
The linkage structure further comprises a long flat gasket 144, two long flat gasket holes are formed in the long flat gasket 144, and the first ends of the two shaft centers 142 respectively rotate to penetrate through the two long flat gasket holes. The first end of each axle center 142 is further fixedly sleeved with a short flat gasket 145, and the short flat gasket 145 is closely attached to the long flat gasket 144.
The first end of each shaft center 142 is further rotatably sleeved with a spring plate 146, a nut 147 is in threaded connection, and a linkage tooth 143 is fixedly sleeved on the first end.
At the first end of each axle center 142, a nut 147, a spring plate 146, a short flat washer 145, a long flat washer 144 and a linkage tooth 143 are arranged in order from far to near from the spur gear 141.
The rotation of the shaft center 142 can drive the short flat gasket 145 to rotate and generate friction with the long flat gasket 144, in addition, the nut 147 and the elastic sheet 146 can provide longitudinal pressure to generate torsion on the shaft center 142, and the arrangement of the short flat gasket 145, the long flat gasket 144, the nut 147, the elastic sheet 146 and the like can enable the two pieces of to-be-hinged parts 3 to rotate stably and have good hand feeling.
Further, the linkage structure further includes another long flat pad 144 fixedly sleeved on the second ends of the two axes 142 and another two linkage teeth 143 engaged with each other.
A shaft cap 148 is fixedly disposed at a second end of each shaft 142, and the diameter of the shaft cap 148 is larger than the diameter of the shaft 142.
At the second end of each hub 142, a hub cap 148, a long flat washer 144 and a link tooth 143 are arranged in this order from far to near from the spur gear 141.
The linkage guide assembly base 11 is provided with a linkage accommodating space 110 for accommodating a spur gear 141, an axis 142, a long flat gasket 144, a short flat gasket 145, a linkage tooth 143, an elastic sheet 146, a nut 147 and an axis cap 148.
The linkage structure further comprises a connecting seat 2, a connecting seat groove 21 is formed in the connecting seat 2, and the linkage guide main seat 11 is fixedly embedded in the connecting seat groove 21. The two groove walls of the connecting seat groove 21 are preferably circular arc surfaces.
Each link frame 13 includes a link plate 132 for fixedly coupling the to-be-hinged member 3 and a link slide plate 131 for sliding in the link guide main groove 12, and the link plate 132 is fixedly coupled to the link slide plate 131. The notch of the connecting seat slot 21 is further provided with a connecting seat abdicating slot 22 for the linkage flat plate 132 to extend out.
The interlocking slide plate 131 is a semicircular arc plate, and the internal teeth 130 are arranged on the arc surface of the interlocking slide plate 131 facing the notch of the connecting seat groove 21. The linkage guide main groove 12 is a semi-arc groove.
The linkage guide assembly 11 includes two first linkage guide sub-bases 111 and one second linkage guide sub-base 112 fixedly inserted into the connecting base slot 21. The two second interlocking guide sub-seats 112 are centrosymmetric with respect to the center point of the first interlocking guide sub-seat 111, and the first interlocking guide sub-seat 111 is centrosymmetric with respect to its own center.
The second interlocking guide sub-base 112 is adjacent to one of the first interlocking guide sub-bases 111 at both sides thereof. Two side surfaces of the second linkage guide sub-base 112 facing the first linkage guide sub-base 111 are respectively provided with a second linkage guide sub-groove 114 for guiding the linkage sliding plate 131, and a side surface of each first linkage guide sub-base 111 facing the second linkage guide sub-base 112 is provided with a first linkage guide sub-groove 113 for guiding the linkage sliding plate 131.
The two sides of the linkage sliding plate 131 respectively slide along the corresponding first linkage guide sub-groove 113 and the second linkage guide sub-groove 114, and the corresponding first linkage guide sub-groove 113 and the second linkage guide sub-groove 114 form a linkage guide main groove 12.
The first linking guide sub-groove 113 includes a first linking guide a groove 1131 with at least two sides opened and a first linking guide notch 1132 extending along the inner groove wall of the first linking guide a groove 1131, and the first linking guide notch 1132 and the groove wall of the connecting seat groove 21 form a first linking guide B groove communicated with the first linking guide a groove 1131.
The second coupling guide sub-groove 114 includes at least a second coupling guide a groove 1141 opened on both sides and a second coupling guide notch 1142 extending along a groove wall inside the second coupling guide opening groove, and the second coupling guide notch 1142 and a groove wall of the connecting seat groove 21 form a second coupling guide B groove communicating with the second coupling guide a groove 1141.
In summary, the groove walls of the joint guide main groove 12 and the connecting seat groove 21 both function as guides for the joint slide 131.
Referring to fig. 5-8, the hinge member 3 of the present invention may be a display panel, and the flexible display 4 may be disposed on the two display panels and opened/folded along with the opening/closing of the two display panels. The flexible display 4 forms a bend 40 when folded. It will be appreciated that the part to be hinged 3 may also be other parts that need to be hinged.
The work flow of the linkage structure is as follows:
when the two hinge parts 3 to be hinged are in a flat state, the two hinge parts 3 to be hinged are positioned on the same plane, and the linkage sliding plate 131 is completely positioned in the linkage guide main groove 12.
When the two hinge parts 3 to be hinged are converted from the flat spreading state to the folding state, one hinge part 3 to be hinged is overturned around the central line of the corresponding linkage guide main groove 12 along the first direction, and the other hinge part 3 to be hinged is overturned around the central line of the corresponding linkage guide main groove 12 along the reverse direction of the first direction, and the overturning of the two hinge parts 3 to be hinged is synchronously carried out due to the action of the linkage teeth 143. At this time, the interlocking slide plate 131 gradually slides out of the interlocking guide main groove 12.
When the two hinge parts 3 to be hinged are in a folded state, the two hinge parts 3 to be hinged face each other, half of the linkage sliding plate 131 is positioned in the linkage guide total groove 12, and the other half of the linkage sliding plate extends out of the linkage guide total groove 12.
The process of the two to-be-hinged members 3 from the folded state to the spread state is opposite to the process from the spread state to the folded state, and is not described in detail herein.
The utility model discloses a setting up of linkage tooth 143 makes two wait that articulated elements 3 rotate in step, makes two wait that articulated elements 3 rotate steadily and feel well through parts such as long flat gasket 144, short flat gasket 145, shell fragment 146 and nut 147. Further, the utility model discloses a setting of linkage direction total trough 12 and linkage slide 131 for two treat articulated elements 3 and wind the central line upset rather than the linkage direction total trough 12 that corresponds respectively, thereby realize two and treat that articulated elements 3 can make out sufficient space and hold the flexion 40 of flexible display screen 4 between the two when the closed condition.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The linkage structure for hinging is characterized by comprising a linkage guide main seat (11), wherein two linkage guide main grooves (12) are formed in the linkage guide main seat (11), and the two linkage guide main grooves (12) are centrosymmetric about the center of the linkage guide main seat (11); a linkage frame (13) used for connecting the to-be-hinged piece (3) is connected in each linkage guide main groove (12) in a sliding manner;
each linkage frame (13) is provided with internal teeth (130), each internal tooth (130) is in meshed connection with a spur gear (141), a gear hole of each spur gear (141) is fixedly provided with an axle center (142) in a penetrating manner, and at least one end of each axle center (142) is fixedly sleeved with linkage teeth (143); the two linkage teeth (143) positioned at the same end of the two shaft centers (142) are in meshed connection.
2. The linkage structure for the hinge according to claim 1, further comprising a long flat gasket (144), wherein the long flat gasket (144) is provided with two long flat gasket holes, and first ends of the two shaft centers (142) are respectively rotatably inserted into the two long flat gasket holes; the first end of each shaft center (142) is fixedly sleeved with a short flat gasket (145), and the short flat gasket (145) is tightly attached to the long flat gasket (144).
3. The linkage structure for hinging according to claim 2, wherein the first end of each shaft center (142) is further rotatably sleeved with an elastic sheet (146), is in threaded connection with a nut (147) and is fixedly sleeved with the linkage teeth (143);
at the first end of each axle center (142), the nuts (147), the spring plates (146), the short flat gaskets (145), the long flat gaskets (144) and the linkage teeth (143) are sequentially arranged from far to near from the straight gear (141).
4. A linkage structure for hinge joint according to claim 3, further comprising another long flat pad (144) fixedly sleeved on the second ends of two shaft cores (142) and another two linkage teeth (143) engaged with each other.
5. A linkage structure for hinges according to claim 4, wherein a shaft cap (148) is fixed to the second end of each shaft (142), the diameter of said shaft cap (148) being greater than the diameter of said shaft (142);
at the second end of each axle center (142), the axle center cap (148), the long flat gasket (144) and the linkage teeth (143) are sequentially arranged from far to near with the straight gear (141).
6. The linkage structure for the hinge according to claim 1, further comprising a connecting seat (2), wherein the connecting seat (2) is provided with a connecting seat slot (21), and the linkage guide main seat (11) is fixedly embedded in the connecting seat slot (21).
7. The linkage structure for hinging according to claim 6, wherein each linkage frame (13) comprises a linkage flat plate (132) for fixedly connecting the to-be-hinged member (3) and a linkage sliding plate (131) for sliding in the linkage guide main slot (12), the linkage flat plate (132) being fixedly connected with the linkage sliding plate (131); the notch of the connecting seat groove (21) is also provided with a connecting seat abdicating groove (22) for the linkage flat plate (132) to extend out;
the linkage sliding plate (131) is a semi-circular arc plate, and the internal teeth (130) are arranged on the arc surface of the linkage sliding plate (131) facing the notch of the connecting seat groove (21); the linkage guide main groove (12) is a semi-arc groove.
8. The structure according to claim 7, characterized in that said joint guide main seat (11) comprises two first joint guide sub-seats (111) and one second joint guide sub-seat (112) fixedly embedded in said connecting seat slot (21);
two sides of the second linkage guide sub-base (112) are respectively adjacent to the first linkage guide sub-base (111); two side surfaces, facing the first linkage guide sub-base (111), of the second linkage guide sub-base (112) are respectively provided with a second linkage guide sub-groove (114) used for guiding the linkage sliding plate (131), and the side surface, facing the second linkage guide sub-base (112), of each first linkage guide sub-base (111) is provided with a first linkage guide sub-groove (113) used for guiding the linkage sliding plate (131);
two sides of the linkage sliding plate (131) respectively slide along a first linkage guide sub-groove (113) and a second linkage guide sub-groove (114) corresponding to the linkage sliding plate, and the corresponding first linkage guide sub-groove (113) and the second linkage guide sub-groove (114) form the linkage guide main groove (12).
9. The linkage structure for hinge joint according to claim 8, wherein the first linkage guide sub-groove (113) comprises a first linkage guide a-groove (1131) opened at least on both sides and a first linkage guide notch (1132) extending along a groove wall inside the first linkage guide a-groove (1131), the first linkage guide notch (1132) and a groove wall of the connector seat groove (21) forming a first linkage guide B-groove communicating with the first linkage guide a-groove (1131);
the second linkage guide sub-groove (114) comprises a second linkage guide A groove (1141) with at least two sides opened and a second linkage guide notch (1142) extending along the inner groove wall of the second linkage guide opening groove, and the second linkage guide notch (1142) and the groove wall of the connecting seat groove (21) form a second linkage guide B groove communicated with the second linkage guide A groove (1141).
10. A linkage structure for hinging, according to claim 9, characterized in that two of said second linkage guide sub-seats (112) are centrosymmetric with respect to a central point of said first linkage guide sub-seat (111), said first linkage guide sub-seat (111) being centrosymmetric with respect to its own center.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922123681.1U CN211648768U (en) | 2019-12-02 | 2019-12-02 | Linkage structure for hinging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922123681.1U CN211648768U (en) | 2019-12-02 | 2019-12-02 | Linkage structure for hinging |
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| CN211648768U true CN211648768U (en) | 2020-10-09 |
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| CN201922123681.1U Active CN211648768U (en) | 2019-12-02 | 2019-12-02 | Linkage structure for hinging |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280035A (en) * | 2021-01-28 | 2021-08-20 | 杭州新剑机器人技术股份有限公司 | Foldable double-screen electronic equipment rotating shaft device and foldable double-screen electronic equipment |
| CN113314036A (en) * | 2021-07-30 | 2021-08-27 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel, electronic device and hinge |
-
2019
- 2019-12-02 CN CN201922123681.1U patent/CN211648768U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113280035A (en) * | 2021-01-28 | 2021-08-20 | 杭州新剑机器人技术股份有限公司 | Foldable double-screen electronic equipment rotating shaft device and foldable double-screen electronic equipment |
| CN113314036A (en) * | 2021-07-30 | 2021-08-27 | 武汉华星光电半导体显示技术有限公司 | Flexible display panel, electronic device and hinge |
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