CN217355203U - Anti-falling rotating shaft structure with auxiliary closing function - Google Patents

Abstract

The utility model relates to a take supplementary closed anticreep formula pivot structure, it includes pivot, mount, and bears the frame, wherein mount fixed connection is in the pivot, bear the frame and overlap and establish in the pivot and can rotate round the pivot through torsion peridium circle, be formed with the first fitting surface in the pivot, the inner wall of torsion peridium circle is formed with the second fitting surface, bear the frame and when the mount is turned over to the closed condition in opposite directions, the projection of first fitting surface and second fitting surface in the pivot axial is parallel to be laminated or is crossing, and the torsion between torsion peridium circle and the pivot is reduced; the rotating shaft structure further comprises an anti-falling part arranged between the rotating shaft and the torsion wrapping circle. The utility model can reduce the torsion between the torsion circle and the rotating shaft when the notebook computer is turned over and closed, and is convenient for the opposite closing between the fixing frame and the bearing frame, thereby solving the opening problem of the notebook computer; meanwhile, the anti-falling component effectively prevents the enveloping rotation shaft from falling off accidentally, and the normal use of the notebook computer is ensured.

Description

Anti-falling rotating shaft structure with auxiliary closing function

Technical Field

The utility model belongs to electron product accessory field, concretely relates to supplementary closed anticreep formula pivot structure in area.

Background

As is well known, a display portion of a notebook computer is connected to a host portion through a rotating shaft, so that the display portion can be turned up and down to be opened or closed relative to the host portion.

At present, a rotating shaft structure for a notebook computer in the market generally comprises a rotating shaft, a fixing frame and a bearing frame, wherein a host part of the notebook computer is fixedly connected to the rotating shaft through the fixing frame, a wrapping circle which can be sleeved on the rotating shaft is arranged on the bearing frame, a display part of the notebook computer is rotatably connected to the rotating shaft through the bearing frame, and a rotating torque force is formed between the wrapping circle and the rotating shaft along with the display part rotating around the rotating shaft.

However, in the actual use process, the existing rotating shaft structure has the following defects:

1. due to the existence of the rotating torque force, the opening problem exists between the display part and the main machine part when the notebook computer is closed, and the closing is not tight;

2. when the notebook computer is opened or closed for multiple times, the wrapping circles on the bearing frame are easy to fall off from the rotating shaft, and the use of the notebook computer is influenced.

Disclosure of Invention

The utility model aims to solve the technical problem that prior art is not enough to overcome, a closed anticreep formula pivot structure is assisted in modified area is provided.

In order to solve the technical problem, the utility model discloses take following technical scheme:

a falling-off prevention type rotating shaft structure with auxiliary closing comprises a rotating shaft, a fixing frame and a bearing frame, wherein the fixing frame is fixedly connected to the rotating shaft, the bearing frame is sleeved on the rotating shaft through a torsion circle and can rotate around the rotating shaft, a first matching surface extending along the axial direction of the rotating shaft is formed on the rotating shaft, a second matching surface matched with the first matching surface is formed on the inner wall of the torsion circle, when the bearing frame and the fixing frame are turned over oppositely to a closed state, the projections of the first matching surface and the second matching surface in the axial direction of the rotating shaft are in parallel fit or intersect, and the torsion between the torsion circle and the rotating shaft is reduced;

the rotating shaft structure further comprises an anti-falling part arranged between the rotating shaft and the torsion wrapping circle, and the anti-falling part can limit the movement of the torsion wrapping circle along the axial direction of the rotating shaft.

Preferably, the rotating shaft comprises a first split body connected with the fixing frame and a second split body connected with the torsion wrapping circle, wherein the second split body is cylindrical, the first matching surface is formed by cutting the end part, far away from the first split body, of the second split body along the axial direction of the second split body, the cutting length of the first matching surface is d1, the length of the second split body is d2, and d1 is more than 0 and less than or equal to d 2. The arrangement is that the sectional design is adopted, so that the rotating shaft is conveniently connected with the fixed frame and the bearing frame respectively; meanwhile, the length of the first matching surface is cut according to the actual torque requirement.

Specifically, the torsion rounding includes a first rounding portion and a second rounding portion arranged side by side, wherein the second mating face is formed on one of the first rounding portion and the second rounding portion. Set up like this, when bearing the frame and the mount when closed motion in opposite directions, one torsion in two peridium portions reduces, another torsion is unchangeable, so, still can guarantee certain torsion when reducing torsion in the pivot, can prevent effectively that closing speed is too fast, provides the complete machine security.

Further, during installation, the second rounding part and the second rounding part respectively extend from the bearing frame around the periphery of the rotating shaft, wherein the extending directions of the second rounding part and the second rounding part are opposite.

Preferably, the second rounded portion is bent from a side far away from the bearing frame to the direction of the rotating shaft and forms a bent portion, wherein an inner wall of the bent portion forms a second mating surface, and when the bearing frame and the fixing frame are turned to a closed state in opposite directions, the first mating surface and the second mating surface are aligned along the radial direction of the rotating shaft.

Preferably, the anti-disengaging part extends around the periphery of the rotating shaft and is fixedly arranged on the rotating shaft, the inner wall of the torsion circle is sunken and is formed with a clamping groove matched with the anti-disengaging part, and when the torsion circle is sleeved on the rotating shaft, the anti-disengaging part is correspondingly inserted into the clamping groove.

Specifically, the anti-dropping part and the rotating shaft are integrally formed, and the anti-dropping part extends outwards from the rotating shaft and gradually narrows. The anti-drop component is simple in structure, can be processed and molded together with the rotating shaft, and reduces subsequent installation cost; meanwhile, the clamping groove on the wrapping circle can be conveniently clamped with the anti-falling part, and the installation and operation are labor-saving.

Preferably, the middle part of pivot is formed with the bellying, and the connection can be dismantled in the one end of pivot to the anticreep part, wherein forms spacing district between anticreep part and the bellying, and torsion encircleing is located spacing district and contradicts on bellying and anticreep part from both ends respectively. Thus, the device is convenient to disassemble and install.

Specifically, an annular groove which is inwards recessed around the circumference of the rotating shaft is formed in the rotating shaft, the anti-falling component is a C-shaped buckling piece, and during installation, the buckling piece is inserted into the annular groove from a C-shaped notch and is buckled with the groove bottom of the annular groove.

In addition, the buckling pieces are perpendicular to the axis of the rotating shaft, through holes penetrating along the axis direction of the rotating shaft are formed in the buckling pieces, and at least two through holes are distributed at intervals along the circumferential direction of the rotating shaft. Set up like this, make things convenient for the workman to press from both sides through the through-hole and get the buckle piece in order to implement the installation and dismantle the operation.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model can reduce the torsion between the torsion wrapping circle and the rotating shaft when the notebook computer is turned over and closed by matching the two matching surfaces between the torsion wrapping circle and the rotating shaft, so that the fixing frame and the bearing frame can be conveniently closed oppositely, thereby solving the opening problem of the notebook computer; meanwhile, the anti-falling component effectively prevents the enveloping rotation shaft from falling off accidentally, and the normal use of the notebook computer is ensured.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a drop-proof rotating shaft structure with an auxiliary closure according to embodiment 1 of the present invention;

fig. 2 is a schematic structural view (another view) of a drop-proof rotating shaft structure with an auxiliary closing function according to embodiment 1 of the present invention;

FIG. 3 is a schematic front view of FIG. 1;

FIG. 4 is a schematic sectional view taken along line A-A in FIG. 3;

FIG. 5 is an enlarged view of the structure at I in FIG. 4;

fig. 6 is a schematic structural view of a drop-proof rotating shaft structure with an auxiliary closure according to embodiment 2 of the present invention;

FIG. 7 is a front view of FIG. 6;

FIG. 8 is an enlarged view of the structure at II in FIG. 7;

wherein: 1. a rotating shaft; 11. a first split body; 110. a connecting end portion; 12. a second body; m1, a first mating surface; b. a boss portion;

2. a fixed mount;

3. a carrier; a. wrapping the circle by torsion; a1, a first rounded portion; a2, a second rounded portion; a20, a bending part; m2, a second mating surface; c1, spiral groove; c2, a card slot; c3, an annular groove;

4. an anti-drop component; q, a limiting region; k. and a through hole.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying the present application are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiments in many different forms than those described herein and that modifications may be made by one skilled in the art without departing from the spirit and scope of the application and it is therefore not intended to be limited to the specific embodiments disclosed below.

In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature. It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Example 1

As shown in fig. 1 to 5, the anti-drop shaft structure with auxiliary closing of the present embodiment includes a shaft 1, a fixing frame 2, a bearing frame 3, and an anti-drop component 4.

Specifically, the rotating shaft 1 includes a first sub-body 11 and a second sub-body 12 extending along the axis direction thereof and integrally formed, wherein the first sub-body 11 is formed with a connecting end portion 110 extending along the axis direction thereof, and the second sub-body 12 is cylindrical.

The fixed frame 2 is fixedly connected with the connecting end part 110, and the main machine part of the notebook computer is fixedly connected with the fixed frame 2; one side of the bearing frame 3 is provided with a torsion periphere a, the bearing frame 3 is sleeved on the second section 12 through the torsion periphere a and can rotate around the second section 12, wherein the host part and the display part of the notebook computer are closed and opened through the opposite turning and reverse turning of the fixing frame 2 and the bearing frame 3. The arrangement is that the rotating shaft is connected with the fixed frame and the bearing frame respectively by adopting a sectional design.

Specifically, the torsion circle a comprises a first circle wrapping part a1 and a second circle wrapping part a2 which are arranged side by side along the circumferential direction of the rotating shaft 1 at intervals, wherein the first circle wrapping part a1 extends from the side edge of the bearing frame 3 around the periphery of the second section 12 in the clockwise direction, and the side edge of the first circle wrapping part a1, which is far away from the bearing frame 3, is separated from the bearing frame 3 and forms a notch; the second rounded portion a2 extends from the side of the carrier 3 around the periphery of the second section 12 in a counter-clockwise direction and the side of the second rounded portion a2 remote from the carrier 3 is spaced from and forms a gap with the carrier 3.

Meanwhile, the first rounded portion a1 and the second rounded portion a2 are equal in length in the axial direction of the rotating shaft 1.

Specifically, the second segment 12 is further formed with a first mating surface m1 cut from an end portion far away from the first segment 11 along the axial direction thereof, and the cut length of the first mating surface m1 is equal to the length of the second rounded portion a2, the second rounded portion a2 is bent from a side far away from the bearing frame 3 toward the second segment 12 to form a bent portion a20, wherein an inner wall of the bent portion a20 forms a second mating surface m2, when the bearing frame 3 and the fixing frame 2 are turned to the closed state, the first mating surface m1 and the second mating surface m2 are aligned along the radial direction of the second segment 12, projections of the first mating surface m1 and the second mating surface m2 in the axial direction of the rotating shaft 1 are parallel and attached, and the torsion between the torsion enveloping a and the rotating shaft 1 is reduced. By the arrangement, when the bearing frame and the fixing frame move in a closing manner in opposite directions, one torsion in the two rounding wrapping parts is reduced, the other torsion is unchanged, namely the interference between the second split body and the rotating shaft is reduced, the torsion is reduced, the screen cannot be supported, and an automatic closing phenomenon is generated; meanwhile, certain torsion can be guaranteed while the torsion on the rotating shaft is reduced, the closing speed can be effectively prevented from being too high, the safety of the whole machine is improved, and when the opening mechanism is opened, the second matching surface can be in interference fit with the round surface on the second split body to generate the torsion, so that the closing function and the hand feeling during opening can be considered, and the performance is better.

Of course, the cutting length of the first mating surface m1 and the size of the included angle between the projections of the first mating surface m1 and the second mating surface m2 in the axial direction of the rotating shaft 1 can be adjusted according to the actual torque requirement.

In addition, for convenience of implementation, a spiral groove c1 for storing lubricating oil is formed on the second body 12, wherein the spiral groove c1 extends spirally around the outer circumference of the second body 12 and along the circumferential direction of the second body 12. By the arrangement, the lubricating property between the wrapping circle and the rotating shaft is improved, the abrasion is reduced, and the service life is prolonged.

As shown in fig. 5, the retaining member 4 is disposed between the rotating shaft 1 and the torsion envelope a, and the retaining member 4 can limit the movement of the torsion envelope a along the axial direction of the rotating shaft 1.

Specifically, the anti-falling part 4 extends around the outer periphery of the second component 12 and is fixedly arranged on the second component 12, the inner wall of the first wrapping circle part a1 is concave and is formed with a clamping groove c2 matched with the anti-falling part 4, and when the torsion wrapping circle a is sleeved on the second component 12, the anti-falling part 4 is correspondingly inserted into the clamping groove c 2.

For convenience of implementation, the retaining member 4 is integrally formed with the second body 12, and the retaining member 4 extends outward from the second body 12 and is gradually narrowed. The anti-drop component is simple in structure, can be processed and molded together with the rotating shaft, and reduces subsequent installation cost; meanwhile, the clamping groove on the wrapping circle can be conveniently clamped with the anti-falling part, and the installation and operation are labor-saving.

Example 2

As shown in fig. 6 to 8, the structure of the anti-drop hinge with auxiliary closing of the present embodiment is substantially the same as that of embodiment 1, and the difference is only the anti-drop component 4.

In this embodiment, a protrusion b is formed in the middle of the rotating shaft 1, the anti-slip member 4 is detachably connected to one end of the second component 12, a limiting region q is formed between the anti-slip member 4 and the protrusion b, and the torsion enveloping a is located in the limiting region q and abuts against the protrusion b and the anti-slip member 4 from two ends respectively. Thus, the installation, the disassembly and the installation are convenient.

Specifically, an annular groove C3 recessed inwards around the circumference of the second segment 12 is formed on the second segment, the anti-falling-off component 4 is a C-shaped buckling piece, and when the anti-falling-off component is installed, the buckling piece is inserted into the annular groove C3 from a C-shaped notch and is buckled with the groove bottom of the annular groove C3.

In addition, the buckling pieces are perpendicular to the axis of the rotating shaft 1, through holes k penetrating along the axis direction of the rotating shaft 1 are formed in the buckling pieces, and two through holes k are distributed at intervals around the circumference of the rotating shaft 1. Set up like this, make things convenient for the workman to press from both sides through the through-hole and get the buckle piece in order to implement the installation and dismantle the operation.

Therefore, the present embodiment has the following advantages:

1. through the matching of the two matching surfaces between the torque wrapping circle and the rotating shaft, the torque between the torque wrapping circle and the rotating shaft can be reduced when the notebook computer is turned over and closed, and the fixing frame and the bearing frame can be conveniently closed oppositely, so that the opening problem of the notebook computer is solved;

2. the anti-falling component effectively prevents the rounding self-rotation shaft from falling off accidentally, so that the normal use of the notebook computer is ensured;

3. when the bearing frame and the fixing frame move in a closing manner in opposite directions, one of the two wrapping circular parts is reduced, the other one is unchanged, namely the interference between the second sub-body and the rotating shaft is reduced, the torque is reduced, the screen cannot be supported, and an automatic closing phenomenon is generated;

4. the torsion on the rotating shaft is reduced, a certain torsion can be ensured at the same time, the over-high closing speed can be effectively prevented, the safety of the whole machine is provided, the closing function and the hand feeling during opening are both considered, and the performance is better;

5. through setting up the helicla flute of depositing lubricating oil in the pivot, improve the lubricity between package circle and the pivot, reduce wearing and tearing, increase of service life.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims (10)

1. The utility model provides a supplementary closed anticreep formula pivot structure in area, its includes pivot, mount, and bears the frame, wherein mount fixed connection be in the pivot, bear and overlap the cover through torsion peridium on the frame and establish in the pivot and can round the pivot rotates its characterized in that: a first matching surface extending along the self axial direction is formed on the rotating shaft, a second matching surface matched with the first matching surface is formed on the inner wall of the torsion wrapping circle, when the bearing frame and the fixing frame are turned over oppositely to a closed state, the projections of the first matching surface and the second matching surface on the rotating shaft axial direction are attached in parallel or intersected, and the torsion between the torsion wrapping circle and the rotating shaft is reduced;

the rotating shaft structure further comprises an anti-falling part arranged between the rotating shaft and the torsion enveloping circle, and the anti-falling part can limit the movement of the torsion enveloping circle along the axial direction of the rotating shaft.

2. The drop-proof hinge structure with auxiliary closure according to claim 1, wherein: the rotating shaft comprises a first split body connected with the fixing frame and a second split body connected with the torsion wrapping circle, wherein the second split body is cylindrical, the first matching surface is formed by cutting the end part, far away from the first split body, of the second split body along the axial direction of the second split body, the cutting length of the first matching surface is d1, the length of the second split body is d2, and d1 is more than 0 and less than or equal to d 2.

3. The drop-proof hinge structure with auxiliary closure according to claim 1 or 2, wherein: the torsion fillet includes a first fillet and a second fillet disposed side-by-side, wherein the second mating surface is formed on one of the first fillet and the second fillet.

4. The anti-drop rotary shaft structure with auxiliary closing function according to claim 3, wherein: when the bearing is installed, the first rounding part and the second rounding part respectively extend from the bearing frame around the periphery of the rotating shaft, wherein the extending directions of the first rounding part and the second rounding part are opposite.

5. The drop-proof hinge structure with auxiliary closure according to claim 4, wherein: the second round wrapping part is bent from the side edge far away from the bearing frame to the rotating shaft direction to form a bent part, wherein the inner wall of the bent part forms the second matching surface, and when the bearing frame and the fixing frame are turned to a closed state in opposite directions, the first matching surface and the second matching surface are parallel and aligned along the radial direction of the rotating shaft.

6. The anti-drop rotating shaft structure with auxiliary closing function according to claim 1, wherein: the anti-disengaging part round the pivot periphery extends and fixed the setting is in the pivot, the inner wall of torsion perisphere is sunken and be formed with anti-disengaging part assorted draw-in groove, wherein torsion perisphere cover is established when in the pivot, anti-disengaging part corresponds and inserts in the draw-in groove.

7. The drop-proof hinge structure with auxiliary closure according to claim 6, wherein: the anti-falling part and the rotating shaft are integrally formed, and the anti-falling part extends outwards from the rotating shaft and is gradually narrowed.

8. The drop-proof hinge structure with auxiliary closure according to claim 1, wherein: the middle part of pivot is formed with the bellying, the anticreep part can be dismantled and connect in the one end of pivot, wherein the anticreep part with form spacing district between the bellying, the torsion peridium is located spacing district and contradict respectively from both ends the bellying with on the anticreep part.

9. The drop-proof hinge structure with auxiliary closure according to claim 8, wherein: the rotating shaft is provided with an annular groove which is inwards sunken around the circumferential direction of the rotating shaft, the anti-falling part is a C-shaped buckling piece, and the buckling piece is inserted into the annular groove from a C-shaped gap and is buckled with the groove bottom of the annular groove during installation.

10. The drop-proof hinge structure with auxiliary closure according to claim 9, wherein: the buckling pieces are perpendicular to the axis of the rotating shaft, through holes penetrating along the axis direction of the rotating shaft are formed in the buckling pieces, and at least two through holes are distributed at intervals around the rotating shaft in the circumferential direction.

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