CN211288431U - Gear frame transmission auxiliary supporting structure and double-shaft hinge - Google Patents

Abstract

The utility model discloses a gear frame transmission auxiliary supporting structure and a double-shaft hinge, which comprises two shaft cores, two guide connecting plates, two transmission gears and a gear frame, wherein the transmission gears are fixed on the corresponding shaft cores, the guide connecting plates are sleeved on the two shaft cores, and the guide connecting plates can circumferentially rotate relative to the two shaft cores; the gear frame is clamped between the two guide connecting plates and is in sliding connection with the two guide connecting plates through the sliding block and the guide sliding chute; the gear frame surrounds the periphery of the two transmission gears, a first rack in meshing transmission with one transmission gear is formed on one side of the gear frame, a second rack in meshing transmission with the other transmission gear is formed on the other side, opposite to the gear frame, of the gear frame, and an auxiliary connecting piece for pushing an auxiliary screen is arranged on the outer side of the gear frame. The utility model discloses a 360 degrees synchronous rotation functions of biax, and satisfy the support demand of electronic product such as notebook computer that has the auxiliary screen, still be favorable to notebook computer's slimming development.

Description

Gear frame transmission auxiliary supporting structure and double-shaft hinge

Technical Field

The utility model relates to a be applied to hinge of electronic product such as notebook computer, specifically relate to a gear frame transmission auxiliary stay structure and two-axis hinge.

Background

The hinge is also called a damping rotating shaft, is a connecting element capable of providing mutual rotation, is mainly applied between a rotating part and a base body thereof, is widely applied to various digital products and electronic products at present, such as a notebook computer, and can realize the opening and closing function between the body of the notebook computer and a display screen through the rotation of the hinge. At present, a common biaxial hinge is usually formed by that when one shaft core rotates, the other shaft core is clamped, and two rotating shafts are opened and closed sequentially. In order to realize 360-degree synchronous rotation of the double shafts, a double-shaft hinge adopting combination transmission of a plurality of gears is also available, the axes of the plurality of gears are in the same direction as the axes of the double shafts, but the structure usually needs to design at least 4 gears to achieve the function of smooth opening and closing of the double shafts synchronously and reversely, and the used gears are more, so that the distance between two shaft cores is far, and the thinning development of electronic equipment such as a notebook computer is limited. In addition, with the development demand of more humanized design of electronic products such as notebook computers, a notebook computer with an auxiliary screen can meet the demand of multi-screen display of people, and users can browse different windows without switching the screen, wherein the auxiliary screen is usually embedded at a position of a base body of the notebook computer close to a rotating shaft, the auxiliary screen needs to be opened while a main screen is opened, and interference between the auxiliary screen and the main screen is avoided while the auxiliary screen is opened, which provides a new challenge for the existing biaxial hinge, that is, the existing biaxial hinge can meet the following functions, that is, the auxiliary screen can be pushed to open while the development demand of light and thin electronic products is met, and the function of the existing biaxial hinge cannot meet the new demand of the notebook computer with the auxiliary screen, therefore, there is a great need for developing a dual-axis hinge that can push the auxiliary screen to open and facilitate the notebook computer to be thin.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a bearing structure and two-axis hinge are assisted in gear frame transmission has realized 360 degrees synchronous rotation functions of biax, and satisfies the support demand of the electronic products such as notebook computer that have supplementary screen, still is favorable to notebook computer's slimming development.

The technical scheme of the utility model is realized like this:

a gear frame transmission auxiliary supporting structure comprises two shaft cores, two guide connecting plates and a gear frame, wherein a transmission gear is arranged corresponding to each shaft core and fixed on the corresponding shaft core, the two guide connecting plates are sleeved on the two shaft cores at the same time and are positioned on the upper side and the lower side of the two transmission gears, so that the two shaft cores are radially spaced at a set distance, and the two guide connecting plates can circumferentially rotate relative to the two shaft cores; the gear frame is clamped between the two guide connecting plates, and the gear frame is connected with the two guide connecting plates in a sliding mode through a sliding block and a guide sliding groove; the gear frame surrounds two transmission gear's week side, one side of gear frame is formed with one transmission gear meshing transmission's first rack, the opposite side that the gear frame is relative is formed with another transmission gear meshing transmission's second rack, first rack reaches the extending direction of second rack with the extending direction of direction spout is unanimous, the outside of gear frame is used for setting up the auxiliary connection spare that promotes the auxiliary screen.

The utility model provides a double-shaft hinge, includes gear frame transmission auxiliary stay structure, two all be formed with the axle bumper on the axle core, two the direction connecting plate with gear frame cover is located two back on the axle core is locked through torque assembly to axle bumper department.

Furthermore, one end of the shaft core is fixedly connected with a first fixing support used for being connected with a display screen of the electronic equipment, and the other end of the shaft core is fixedly connected with a second fixing support used for being connected with a base body of the electronic equipment.

Furthermore, the torsion assembly comprises a gasket, a plurality of butterfly-shaped elastic sheets and nuts, and the gasket and the butterfly-shaped elastic sheets are locked and positioned on the corresponding shaft cores through the nuts.

Furthermore, two shaft cores are sleeved with closed cams, the closed cams are located between one guide connecting plate and the butterfly-shaped elastic sheet, and protrusions and grooves which are matched in size are arranged on the surfaces, opposite to the guide connecting plates, of the closed cams.

Furthermore, a silencing gasket is arranged between the closed cam and the butterfly-shaped elastic sheet, a plurality of bosses are arranged on one side of the closed cam facing the silencing gasket at intervals and correspond to each boss, a clamping groove with the size matched with the bosses is formed in the silencing gasket, and the bosses are clamped in the clamping grooves.

The utility model has the advantages that: the utility model provides a gear frame transmission auxiliary stay structure, the innovative design gear frame structure, be formed with on two relative medial surfaces of this gear frame with first rack and the second rack of two epaxial drive gear meshing, because first rack is located relative both sides with the second rack, and all with the drive gear meshing that corresponds, therefore, when rotating an axle core, can realize the syntropy through the gear frame, and then realize 360 degrees biax freedom syntropies of two-axis hinge, in order to satisfy the different deformation forms of electronic products such as notebook computer, for example, synchronous reverse opening and closure. The utility model discloses a gear frame produces the motion pair, and this motion pair provides a new transmission mode for the gear structure transmission. Because the utility model discloses gear drive is located drive gear's the outside, consequently, the distance between two axle cores can be done the minimum, is favorable to notebook computer to be thin very much, has satisfied the demand that electronic product frivolous development promptly. The both sides of gear frame carry out the centre gripping location through two guide connection boards, and the locate function of realization, and be connected through slider and direction spout between guide connection board and the gear frame, have realized the slip guide function, and two guide connection boards overlap simultaneously on two axle cores, can be in the same place two solitary axle cores. Like this, when rotating two axle cores, the gear frame can slide by the relative direction connecting plate, and at this moment, set up the auxiliary connection spare that is used for promoting auxiliary screen in the gear frame outside, can realize promoting the function that auxiliary screen opened, satisfied the support demand of electronic product such as notebook computer that has auxiliary screen promptly. Two guide connecting plates of the gear frame transmission auxiliary supporting structure and the gear frame are locked on the shaft baffles of the two shaft cores through the torsion assembly, so that a double-shaft hinge which can push an auxiliary screen to open and is beneficial to a notebook computer to be thin is formed, double shafts can synchronously rotate in the opening and closing process, and the opening function of electronic products such as the notebook computer with the auxiliary screen is met. Therefore, the utility model discloses the 360 degrees synchronous rotation functions of biax have been realized to supplementary bearing structure of gear frame transmission and biax hinge, and can satisfy the support demand of electronic product such as notebook computer that has the auxiliary screen, still are favorable to the slimming development of notebook computer.

Drawings

Fig. 1 is a schematic view of a gear frame transmission auxiliary support structure of the present invention;

FIG. 2 is a schematic view of the transmission gear and the gear frame of the present invention;

fig. 3 is a perspective view of the biaxial hinge of the present invention;

fig. 4 is a side view of the dual axis hinge of the present invention;

the following description is made with reference to the accompanying drawings:

1-shaft core, 101-shaft bumper, 2-guide connecting plate, 3-gear frame, 4-transmission gear, 5-sliding block, 6-guide sliding groove, 7-first rack, 8-second rack, 9-first fixing support, 10-second fixing support, 11-gasket, 12-butterfly-shaped elastic sheet, 13-nut, 14-closing cam and 15-silencing gasket.

Detailed Description

In order to clearly understand the technical content of the present invention, the following embodiments are specifically mentioned, which are only for the purpose of better understanding the content of the present invention and not for the purpose of limiting the scope of the present invention. The components in the structures of the drawings of the embodiments are not necessarily to scale, and do not represent actual relative sizes of the structures in the embodiments. The upper side or upper side of the structure or surface includes the case where other layers are interposed.

As shown in fig. 1 and 2, a gear frame transmission auxiliary supporting structure includes two shaft cores 1, two guide connecting plates 2 and a gear frame 3, a transmission gear 4 is arranged corresponding to each shaft core, the transmission gear is fixed on the corresponding shaft core, the two guide connecting plates are simultaneously sleeved on the two shaft cores and are positioned on the upper and lower sides of the two transmission gears, so that the two shaft cores are radially spaced by a set distance, and the two guide connecting plates can circumferentially rotate relative to the two shaft cores; the gear frame is clamped between the two guide connecting plates, and the gear frame is connected with the two guide connecting plates in a sliding mode through a sliding block 5 and a guide sliding groove 6; the gear frame surrounds two transmission gear's week side, one side of gear frame is formed with one transmission gear meshing transmission's first rack 7, the opposite side that the gear frame is relative is formed with another transmission gear meshing transmission's second rack 8, first rack reaches the extending direction of second rack with the extending direction of direction spout is unanimous, the outside of gear frame is used for setting up the auxiliary connection spare that promotes the auxiliary screen.

In the structure, the gear frame structure is innovatively designed, a first rack and a second rack which are meshed with the transmission gears on the two shaft cores are formed on two inner side faces, which are opposite to each other, of the gear frame, the first rack and the second rack are located on two opposite sides and are meshed with the corresponding transmission gears, and therefore when one shaft core is rotated, synchronous movement can be achieved through the gear frame, 360-degree double-shaft free synchronous movement of the double-shaft hinge is achieved, different deformation forms of electronic products such as a notebook computer are met, and the gear frame structure is opened and closed in a synchronous reverse mode. The utility model discloses a gear frame produces the motion pair, and this motion pair provides a new transmission mode for the gear structure transmission. Because the utility model discloses gear drive is located drive gear's the outside, consequently, the distance between two axle cores can be done the minimum, is favorable to notebook computer to be thin very much, has satisfied the demand that electronic product frivolous development promptly. The both sides of gear frame carry out the centre gripping location through two guide connection boards, and the locate function of realization, and be connected through slider and direction spout between guide connection board and the gear frame, have realized the slip guide function, and two guide connection boards overlap simultaneously on two axle cores, can be in the same place two solitary axle cores. Like this, when rotating two axle cores, the gear frame can slide by the relative direction connecting plate, and at this moment, set up the auxiliary connection spare that is used for promoting auxiliary screen in the gear frame outside, can realize promoting the function that auxiliary screen opened, satisfied the support demand of electronic product such as notebook computer that has auxiliary screen promptly. Therefore, the utility model discloses the supplementary bearing structure of gear frame transmission has realized 360 degrees synchronous rotation functions of biax, and can satisfy the support demand of the electronic product such as notebook computer that has supplementary screen, still is favorable to the slimming development of notebook computer. In addition, the gear frame and the two guide connecting plates form a closed space which can contain the transmission gear without additionally arranging a protective shell.

As shown in fig. 3 and 4, the biaxial hinge comprises a gear frame transmission auxiliary supporting structure and a torsion assembly, wherein two shaft cores are respectively provided with a shaft stopper 101, and the two guide connecting plates and the gear frame are locked at the shaft stopper through the torsion assembly after being sleeved on the two shaft cores. The torsion assembly can realize the functions of providing torsion and tight-fit positioning, so that two guide connecting plates of the gear frame transmission auxiliary supporting structure and the gear frame are locked on the shaft baffles of the two shaft cores through the torsion assembly, a double-shaft hinge which can push an auxiliary screen to open and is beneficial to a notebook computer to be thinned is formed, the synchronous rotation of double shafts in the opening and closing process is realized, and the opening function of electronic products such as the notebook computer with the auxiliary screen is met.

Preferably, referring to fig. 3 and 4, one end of one of the shaft cores is fixedly connected with a first fixing bracket 9 for connecting a display screen of the electronic device, and one end of the other shaft core is fixedly connected with a second fixing bracket 10 for connecting a base body of the electronic device. The first fixing bracket and the second fixing bracket are used for being embedded into a component needing to rotate and the base body so as to realize the relative rotation of the component and the base body.

Preferably, referring to fig. 3, the torsion assembly includes a spacer 11, a plurality of butterfly-shaped spring pieces 12, and a nut 13, and the spacer and the plurality of butterfly-shaped spring pieces are locked and positioned on their corresponding mandrels by the nut. As a preferred embodiment, the utility model discloses well torque assembly mainly comprises gasket, butterfly shell fragment and nut, but is not limited to this, in other embodiments, can also realize through cladding formula torque structure that torque assembly provides the function of rotatory torsion.

Preferably, referring to fig. 3, a closing cam 14 is sleeved on each of the two shaft cores, the closing cam is located between one of the guide connecting plates and the butterfly-shaped elastic sheet, and a protrusion and a groove with matched sizes are arranged on the surface of the closing cam opposite to the guide connecting plate. During specific implementation, can set up the recess on the side of direction connecting plate orientation closed cam, set up size and recess assorted arch on the face of one side of closed cam orientation direction connecting plate, through protruding mutually supporting with the recess, can realize the automatic closed function of biax hinge at the settlement angle.

Preferably, referring to fig. 3, a silencing gasket 15 is disposed between the closed cam and the butterfly-shaped elastic sheet, a plurality of bosses are disposed on one side of the closed cam facing the silencing gasket at intervals, corresponding to each boss, a clamping groove with a size matched with that of each boss is disposed on the silencing gasket, and each boss is clamped in the clamping groove. Like this, through set up the amortization gasket between the butterfly shell fragment at closed cam and torsion assembly, the cooperation of rethread draw-in groove and boss can eliminate the abnormal sound that sends when two-axis hinge self-closing.

The following description of the working principle of the gear frame transmission auxiliary supporting structure and the biaxial hinge of the present invention is given by taking a notebook computer with an auxiliary screen as an example:

the first fixed bolster of two-axis hinge inlays in locating notebook computer's main screen, and the second fixed bolster of two-axis hinge inlays in locating notebook computer's base, and supplementary screen inlays in locating the base that is close to main screen and base member hookup location. In the initial state, the main screen and the base body of the notebook computer are in a closed state. When the main screen is opened to needs, two axle core synchronous rotation, simultaneously, the drive gear drive on two axle cores corresponds first rack and second gear, makes two relative direction connecting plates of gear frame slide, and like this, the gear frame passes through the supplementary screen of auxiliary connection drive, can realize the function that the supplementary screen of drive was opened.

Those skilled in the art may make various modifications or alterations to the above-described embodiments. But the utility model is not deviated from the essence of the utility model, and the protection scope is within the scope of the utility model.

Claims (6)

1. The utility model provides a gear frame transmission auxiliary stay structure which characterized in that: the transmission device comprises two shaft cores (1), two guide connecting plates (2) and a gear frame (3), wherein a transmission gear (4) is arranged corresponding to each shaft core and fixed on the corresponding shaft core, the two guide connecting plates are sleeved on the two shaft cores simultaneously and are positioned on the upper side and the lower side of the two transmission gears, so that the two shaft cores are spaced at a set distance in the radial direction, and the two guide connecting plates can rotate circumferentially relative to the two shaft cores; the gear frame is clamped between the two guide connecting plates, and the gear frame is in sliding connection with the two guide connecting plates through a sliding block (5) and a guide sliding groove (6); the gear frame surrounds two transmission gear's week side, one side of gear frame is formed with one transmission gear meshing transmission's first rack (7), the opposite side that the gear frame is relative is formed with another transmission gear meshing transmission's second rack (8), first rack reaches the extending direction of second rack with the extending direction of direction spout is unanimous, the outside of gear frame is used for setting up the auxiliary connection spare that promotes the auxiliary screen.

2. A biaxial hinge, comprising the auxiliary gear frame transmission support structure of claim 1, wherein two of the shaft cores are formed with shaft stops (101), and after the two guide connection plates and the gear frame are sleeved on the two shaft cores, the two guide connection plates and the gear frame are locked at the shaft stops through torsion assemblies.

3. A biaxial hinge as defined in claim 2, wherein: one end of the shaft core is fixedly connected with a first fixing support (9) used for being connected with a display screen of the electronic equipment, and the other end of the shaft core is fixedly connected with a second fixing support (10) used for being connected with a base body of the electronic equipment.

4. A biaxial hinge as defined in claim 2, wherein: the torsion assembly comprises a gasket (11), a plurality of butterfly-shaped elastic sheets (12) and nuts (13), and the gasket and the butterfly-shaped elastic sheets are locked and positioned on corresponding shaft cores through the nuts.

5. The dual axis hinge of claim 4, wherein: two all overlap closed cam (14) on the axle core, closed cam is located one the guide connection board with between the butterfly shell fragment, closed cam with be equipped with size assorted arch and recess on the relative face of guide connection board.

6. The dual axis hinge of claim 5, wherein: a silencing gasket (15) is arranged between the closed cam and the butterfly-shaped elastic sheet, a plurality of bosses are arranged on one side of the closed cam facing the silencing gasket at intervals and correspond to each boss, a clamping groove with the size matched with the bosses is formed in the silencing gasket, and the bosses are clamped in the clamping grooves.

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