CN211648769U - Positioning structure for hinge joint - Google Patents

Abstract

The utility model discloses a positioning structure for hinging, which comprises a positioning guide main seat, wherein the positioning guide main seat is provided with two positioning guide main grooves, and each positioning guide main groove is slidably connected with a positioning frame fixedly connected with a to-be-hinged member; at least two glass bead screw holes are formed in the positioning guide main seat, and glass bead screws are fixedly embedded in the glass bead screw holes; each positioning frame is provided with a ball hole corresponding to the glass bead screw; when the two to-be-hinged pieces are in a flat state, the balls on the glass ball screws fall into the corresponding ball holes. When two hinge pieces to be connected with the two positioning frames are in a flat state, the ball on the glass ball screw falls into the ball hole, so that the opening positioning sense is realized, and the two hinge pieces to be connected are stable and do not shake.

Description

Positioning structure for hinge joint

Technical Field

The utility model relates to an articulated field especially relates to a be used for articulated location structure.

Background

With the development of display technology, foldable flexible screens have gradually become a research and development hotspot in the technical field of electronic display devices. Generally, a foldable flexible screen includes a flexible display screen and a folding mechanism. The folding mechanism allows the flexible display to be unfolded from a folded state to a flat state (180 °). However, when the flexible display screen is opened to a flat state or closed to a folded state, the existing folding mechanism has no positioning sense, and a user cannot perceive the flexible display screen to reach an expected state through hand feeling, so that the user experience is reduced. And the flexible display screen is unstable when in a flat state and is easy to shake.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for articulated location structure, make flexible display screen open the occasionally location sense and stable.

To achieve the purpose, the utility model adopts the following technical proposal:

a positioning structure for hinging comprises a positioning guide main seat, wherein two positioning guide main grooves are formed in the positioning guide main seat, and positioning frames fixedly connected with a to-be-hinged member are slidably connected in the positioning guide main grooves;

at least two glass bead screw holes are formed in the positioning guide main seat, and glass bead screws are fixedly embedded in the glass bead screw holes; each positioning frame is provided with a ball hole corresponding to the glass bead screw;

when the two to-be-hinged pieces are in a flat state, the balls on the glass ball screws fall into the corresponding ball holes.

Optionally, the positioning structure further comprises a connecting seat, a connecting seat groove is formed in the connecting seat, and the positioning guide main seat is fixedly embedded in the connecting seat groove.

Optionally, the positioning guide main seat comprises two first positioning guide sub seats and one second positioning guide sub seat which are fixedly embedded in the connecting seat groove;

two sides of the second positioning guide sub-base are respectively adjacent to the first positioning guide sub-base; two adjacent side surfaces of the second positioning guide sub-base and the two first positioning guide sub-bases are respectively provided with a second positioning guide sub-groove, and one adjacent side surface of each first positioning guide sub-base and the second positioning guide sub-base is respectively provided with a first positioning guide sub-groove; each first positioning guide sub-groove and the adjacent second positioning guide sub-groove form the positioning guide total groove.

Optionally, the first positioning guide sub-groove includes a first positioning guide a groove with openings on at least two sides and a first positioning guide notch extending along an inner groove wall of the first positioning guide a groove, and a first positioning guide B groove communicating with the first positioning guide a groove is formed by a groove wall of the connecting seat groove and the first positioning guide notch;

the second positioning guide sub-groove comprises a second positioning guide A groove with at least two openings and a second positioning guide notch extending along the inner groove wall of the second positioning guide A groove, and the groove wall of the connecting seat groove and the second positioning guide notch form a second positioning guide B groove communicated with the second positioning guide A groove.

Optionally, the positioning frame includes a positioning flat plate fixedly connected to the to-be-hinged member and a positioning sliding plate for sliding in the positioning guide main slot, and the positioning flat plate is fixedly connected to the positioning sliding plate;

the ball hole is arranged in the middle of the positioning sliding plate, and a ball hole chamfer is arranged on the periphery of the ball hole.

Optionally, one end of the positioning sliding plate, which is far away from the positioning flat plate, is provided with a positioning sliding plate inverted groove; and when the hinge piece is in a folded state, the ball on the glass bead screw falls to the position below the inverted groove of the sliding plate.

Optionally, two groove walls of the connecting seat groove are arc surfaces; the positioning guide general groove is a semi-arc groove, and the positioning sliding plate is a semi-arc plate.

Optionally, one side of each first positioning guide sub-base, which faces the second positioning guide sub-base, is provided with one bead screw hole, and two sides of the second positioning guide sub-base, which faces the two first positioning guide sub-bases, are provided with one bead screw hole respectively; two ball holes are arranged on each positioning frame.

Optionally, the two first positioning guide sub-seats are centrosymmetric with respect to the center of the second positioning guide sub-seat, the second positioning guide sub-seat is centrosymmetric with respect to the center of the second positioning guide sub-seat, and the two positioning frames are centrosymmetric with respect to the center of the second positioning guide sub-seat.

Optionally, the glass bead screw includes a screw body, and a ball sliding groove is formed on a non-threaded surface of the screw body; the groove bottom of the ball sliding groove is fixedly provided with a ball spring, and one side of the ball spring, which faces the notch of the ball sliding groove, is fixedly connected with a ball.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model provides a location structure sets up the glass bead screw in the location direction sub-seat, sets up the ball hole on the locating rack. When two hinge pieces to be connected with the two positioning frames are opened to a flat state, the balls on the glass bead screws fall into the corresponding ball holes, so that the opening positioning sense is realized, and the two hinge pieces to be stably and fixedly arranged are realized. In addition, through the setting of the total groove of location direction and locating rack for wait the articulated elements can be about the central line upset rather than the total groove of location direction that corresponds, thereby make two wait the articulated elements can make room when folding with the flexion of holding flexible display screen.

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 partial structural view of a positioning structure provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a positioning frame according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a positioning structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a connection seat according to an embodiment of the present invention;

fig. 5 is an exploded view of a part of a positioning structure provided in an embodiment of the present invention;

fig. 6 is a schematic structural view of a positioning and guiding assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural view of a glass bead screw according to an embodiment of the present invention;

fig. 8 is a schematic view of a positioning structure in a flat state according to an embodiment of the present invention;

FIG. 9 is an enlarged view of the circled portion in FIG. 8;

fig. 10 is a schematic view of the positioning structure provided by the embodiment of the present invention in a folded state;

fig. 11 is an enlarged view of the circled portion in fig. 10.

Illustration of the drawings: 11. a positioning guide main seat; 111. positioning a guide main groove; 112. a bead screw hole; 113. a glass bead screw; 1130. a screw body; 1131. a ball bearing; 1132. a ball chute; 1133. a ball spring; 114. a first positioning guide sub-base; 115. a second positioning guide sub-base; 116. a first positioning guide sub-groove; 1161. a first positioning guide A groove; 1162. a first positioning guide notch; 117. a second positioning guide sub-groove; 1171. a second positioning guide A groove; 1172. a second positioning guide notch; 12. a positioning frame; 120. a ball hole; 121. positioning the sliding plate; 122. positioning the flat plate; 1220. positioning the flat plate hole; 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. 1-2, the present embodiment provides a positioning structure for hinge joint, which includes a positioning guide assembly base 11, and two positioning guide assembly slots 111 are formed on the positioning guide assembly base 11. And a positioning frame fixedly connected with the to-be-hinged member 3 is slidably connected in each positioning guide main groove 111.

At least two bead screw holes 112 are formed in the positioning guide assembly base 11, and bead screws 113 are fixedly embedded in the bead screw holes 112. Each positioning frame 12 is provided with a ball hole 120 corresponding to the ball screw 113.

In the present embodiment, the positioning frame 12 includes a positioning plate 122 for connecting with the to-be-hinged member 3 and a positioning slide plate 121 for sliding in the positioning guide overall groove 111, and the positioning plate 122 is fixedly connected with the positioning slide plate 121. The positioning plate 122 is provided with four positioning plate holes 1220 for connecting with the member to be hinged 3. The four positioning plate holes 1220 are arranged in a rectangular array. The ball hole 120 is provided in the middle of the positioning slide plate 121.

Further, a ball hole chamfer is formed around the ball hole 120, so that the ball 1131 can enter and exit the ball hole 120 conveniently. Similarly, one end of the positioning slide plate 121, which is far away from the positioning flat plate 122, is provided with a positioning slide plate inverted groove, which is also convenient for the ball 1131 to slide up and down from the positioning slide plate 121.

Specifically, the positioning slide plate 121 is a semicircular arc plate, and the positioning guide main groove 111 is a semicircular arc groove. The utility model discloses in, the central line of location direction total trough 111 indicates its centre of a circle line.

Referring to fig. 3-4, in the present embodiment, the positioning structure further includes a connecting seat 2, a connecting seat slot 21 is formed on the connecting seat 2, and the positioning guide assembly 11 is fixedly embedded in the connecting seat slot 21. The notch of the connecting seat slot 21 is further provided with a connecting seat receding slot 22 for extending the positioning flat plate 122. The two groove walls of the connecting seat groove 21 are preferably circular arc surfaces.

Referring to fig. 5, the positioning and guiding assembly 11 includes two first positioning and guiding sub-bases 114 and one second positioning and guiding sub-base 115, and the two first positioning and guiding sub-bases 114 and the second positioning and guiding sub-base 115 are both fixedly embedded in the connecting base slot 21.

The second positioning guide sub-base 115 is adjacent to one first positioning guide sub-base 114 on both sides. Two adjacent sides of the second positioning guide sub-base 115 and the two first positioning guide sub-bases 114 are respectively provided with a second positioning guide sub-groove 117, and one adjacent side of the two first positioning guide sub-bases 114 and the second positioning guide sub-base 115 is provided with a first positioning guide sub-groove 116. Each first positioning guide sub-groove 116 is communicated with the adjacent second positioning guide sub-groove 117 to form a positioning guide main groove 111.

One side of each first positioning guiding sub-base 114 facing the second positioning guiding sub-base 115 is provided with a bead screw hole 112, and two sides of the second positioning guiding sub-base 115 facing the two first positioning guiding sub-bases 114 are respectively provided with a bead screw hole 112. Each positioning slide plate 121 is provided with two ball holes 120.

The two first positioning guide sub-seats 114 are centrosymmetric with respect to the center of the second positioning guide sub-seat 115, the second positioning guide sub-seat 115 is centrosymmetric with respect to its own center, and the two positioning frames 12 are centrosymmetric with respect to the center of the second positioning guide sub-seat 115.

Referring to fig. 6, the first positioning guide sub-groove 116 includes a first positioning guide a groove 1161 having at least two open sides and a first positioning guide notch 1162 extending along an inner groove wall of the first positioning guide a groove 1161, and the groove wall of the connecting seat groove 21 and the first positioning guide notch 1162 form a first positioning guide B groove communicating with the first positioning guide a groove 1161. The first positioning guide a groove 1161 has a corresponding inverted groove toward the first positioning guide notch 1162.

The second positioning guide sub-groove 117 includes a second positioning guide a groove 1171 opened at least on both sides and a second positioning guide indentation 1172 extending along an inner groove wall of the second positioning guide a groove 1171, and the groove wall of the connecting seat groove 21 and the second positioning guide indentation 1172 form a second positioning guide B groove communicating with the second positioning guide a groove 1171. The second positioning guide a groove 1171 has a corresponding inverted groove on a side facing the second positioning guide notch 1172.

Referring to fig. 7, the ball screw 113 includes a screw body 1130, and a ball runner 1132 is disposed on a non-threaded surface of the screw body 1130. The groove bottom of the ball chute 1132 is fixedly provided with a ball spring 1133, and one side of the ball spring 1133 facing the notch is fixedly connected with a ball 1131. When ball spring 1133 is in the normal state, ball 1131 is just at the notch of ball slide 1132, i.e. a part of ball 1131 is in ball slide 1132, and another part extends out of ball slide 1132.

Referring to fig. 8-11, the hinge member 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 is understood that the part to be articulated may also be other parts that need to be articulated.

The utility model discloses well location structure's concrete work flow 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 on the same plane, and the positioning sliding plate 121 is completely positioned in the positioning guide main groove 111. The ball spring 1133 is in a normal state, and the portion of the ball 1131 outside the ball runner 1132 drops into the ball hole 120.

When the two hinge members 3 to be hinged are converted from the flat state to the folded state, one hinge member 3 to be hinged is turned around the center line of the positioning guide main groove 111 corresponding thereto in the first direction, and the other hinge member to be hinged is turned around the center line of the positioning guide main groove 111 corresponding thereto in the opposite direction to the first direction. The positioning slide plate 121 is gradually slid out from the positioning guide main groove 111. Positioning slide 121, when sliding, applies a force to ball 1131 causing ball spring 1133 to compress and ball 1131 slides out of ball hole 120 and retracts fully into ball slot 1132, thereby not affecting the sliding motion of positioning slide 121.

When the two members to be hinged 3 are in the folded state, the two members to be hinged 3 face each other. Half of the positioning slide plate 121 is located in the positioning guide main groove 111, and the other half extends out of the positioning guide main groove 111. The ball 1131 of the ball screw 113 is no longer subjected to an external force, the ball spring 1133 is reset to reset the ball 1131, and the portion of the ball 1131 located outside the ball sliding groove 1132 falls below the positioning slide plate inverted groove.

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 ball 1131 on the ball screw 113 falls from the positioning slide plate 121 into the ball hole 120, so that there is a sense of positioning of opening, and the two to-be-hinged members 3 are stabilized against shaking. The ball 1131 on the ball screw 113 falls from the positioning slide plate 121 to the lower side of the positioning slide plate inverted groove, so that the folding positioning feeling is provided. The two hinge pieces 3 to be hinged are turned around the center line of the corresponding positioning guide main slot 111, so that the two hinge pieces 3 to be hinged are in a folded state to make room for accommodating the bending part 40 of the flexible display screen 4.

The embodiment of the utility model provides a location structure passes through designs such as glass ball screw 113, ball hole 120 and location slide 121 for two are treated articulated elements 3 and are had the location and feel when opening and shutting to preset position, and have strengthened the stability when opening, have extensive application prospect in fields such as collapsible flexible screen.

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 positioning structure for hinging is characterized by comprising a positioning guide main seat (11), wherein two positioning guide main grooves (111) are formed in the positioning guide main seat (11), and a positioning frame (12) fixedly connected with a to-be-hinged member (3) is slidably connected in each positioning guide main groove (111);

at least two glass bead screw holes (112) are formed in the positioning guide main seat (11), and glass bead screws (113) are fixedly embedded in the glass bead screw holes (112); each positioning frame (12) is provided with a ball hole (120) corresponding to the ball screw (113);

when the two pieces to be hinged (3) are in a flat state, the balls (1131) on the ball screws (113) fall into the corresponding ball holes (120).

2. The positioning structure for hinge joint 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 positioning guide assembly seat (11) is fixedly embedded in the connecting seat slot (21).

3. The structure for hinging, according to claim 2, characterized in that said positioning and guiding assembly (11) comprises two first positioning and guiding sub-seats (114) and one second positioning and guiding sub-seat (115) fixedly embedded in said connecting seat slot (21);

the two sides of the second positioning guide sub-base (115) are respectively adjacent to the first positioning guide sub-base (114); two adjacent side surfaces of the second positioning guide sub-base (115) and the two first positioning guide sub-bases (114) are respectively provided with a second positioning guide sub-groove (117), and one adjacent side surface of each first positioning guide sub-base (114) and the second positioning guide sub-base (115) is respectively provided with a first positioning guide sub-groove (116); each first positioning guide sub-groove (116) and a second positioning guide sub-groove (117) adjacent to the first positioning guide sub-groove form one positioning guide main groove (111).

4. The positioning structure for hinge joint according to claim 3, wherein the first positioning guide sub-groove (116) comprises a first positioning guide A groove (1161) opened at least on two sides and a first positioning guide notch (1162) extending along an inner groove wall of the first positioning guide A groove (1161), and a groove wall of the connector groove (21) and the first positioning guide notch (1162) form a first positioning guide B groove communicating with the first positioning guide A groove (1161);

the second positioning guide sub-groove (117) comprises a second positioning guide A groove (1171) with at least two open sides and a second positioning guide notch (1172) extending along the inner groove wall of the second positioning guide A groove (1171), and the groove wall of the connecting seat groove (21) and the second positioning guide notch (1172) form a second positioning guide B groove communicated with the second positioning guide A groove (1171).

5. The structure of claim 4, wherein the positioning frame (12) comprises a positioning plate (122) for fixed connection with the element (3) to be articulated and a positioning slide plate (121) for sliding in the positioning guide slot (111), the positioning plate (122) being fixedly connected with the positioning slide plate (121);

the ball hole (120) is formed in the middle of the positioning sliding plate (121), and a ball hole chamfer is formed in the periphery of the ball hole (120).

6. The positioning structure for hinge joint according to claim 5, wherein one end of the positioning sliding plate (121) far away from the positioning flat plate (122) is provided with a positioning sliding plate inverted groove; when two wait articulated elements (3) and be in fold condition, ball (1131) on glass ball screw (113) fall to the below of location slide groove.

7. The positioning structure for hinge joint according to claim 5, wherein both groove walls of the connecting seat groove (21) are arc surfaces; the positioning guide general groove (111) is a semi-arc groove, and the positioning sliding plate (121) is a semi-arc plate.

8. The positioning structure for hinge joint according to claim 3, wherein one side of each first positioning guide sub-seat (114) facing the second positioning guide sub-seat (115) is provided with one bead screw hole (112), and two sides of the second positioning guide sub-seat (115) facing the two first positioning guide sub-seats (114) are respectively provided with one bead screw hole (112); two ball holes (120) are formed in each positioning frame (12).

9. The structure of claim 3, wherein the two first positioning guide sub-seats (114) are centrosymmetric with respect to the center of the second positioning guide sub-seat (115), the second positioning guide sub-seat (115) is centrosymmetric with respect to its own center, and the two positioning frames (12) are centrosymmetric with respect to the center of the second positioning guide sub-seat (115).

10. The structure of claim 3, wherein the bead screw (113) comprises a screw body (1130), and a ball runner (1132) is formed on a non-threaded surface of the screw body (1130); the fixed ball spring (1133) that is equipped with of tank bottom of ball spout (1132), ball spring (1133) are towards one side fixedly connected with ball (1131) of ball spout (1132) notch.

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