CN218644642U - Hinge structure - Google Patents

Abstract

The utility model relates to a hinge structure, it includes the first hinge body, the second hinge body, the connector slides and sets up on the first hinge body, the second hinge body includes rotation axis, mounting panel, wherein be equipped with the rack on the first hinge body, be equipped with first gear on the connector, be equipped with the second gear on the rotation axis, hinge structure still includes torsion part and locking part, wherein torsion part sets up on the rotation axis and can form torsion along with the rotation of rotation axis; the locking component comprises a first locking piece and a second locking piece. On one hand, the utility model provides torsion through the single shaft, reduces the influence of the gear meshing clearance, effectively reduces the idle stroke of the hinge, and ensures that the screen is kept stable after being opened; on the other hand, the two hinge bodies are locked relatively in a closed state through buckling of the two matching surfaces, so that the influence of the torsion action is eliminated, and the screen is attached to the base body.

Description

Hinge structure

Technical Field

The utility model belongs to electron product accessories field, concretely relates to hinge structure.

Background

The hinge is also called a rotating shaft or a hinge, and is a connecting element capable of providing a mutual conversion function, and is mainly applied between a rotating part and a base body, for example, the hinge is applied to the opening and closing between a display screen of a notebook computer and the base body.

At present, with the development of thinning and individualization of notebook computers, the assembly position of the display screen of some notebook computers has a certain distance from the edge of the base body, the base body comprises a front part and a rear part with different thicknesses, a step is arranged between the front part and the rear part, the hinge is assembled at the junction of the front part and the rear part, the display screen is positioned on the thinner front part when being closed, in order to avoid the interference caused by the display screen touching the thicker rear part of the base body when being opened, the existing hinge device comprises a first hinge body, a second hinge body and a connecting body, wherein the second hinge body is rotatably connected to the connecting body through a rotating shaft, the connecting body is slidably arranged on the first hinge body, meanwhile, a driven shaft is also arranged on the connecting body, a torsion part is arranged between the rotating shaft and the driven shaft, the rotating shaft and the driven shaft are respectively sleeved with meshed gears, a rack meshed with the gears on the driven shaft is arranged on the second hinge body, the rotating shaft and the driven shaft synchronously form torsion through rotating the second hinge body, and the connecting body can realize synchronous sliding of the connecting body under the transmission of the gears. Above-mentioned hinge can be when realizing that display screen and base member rotate the function relatively, can also drive display screen and remove to the thinner part of base member to ensure that display screen rotates and can not receive the restriction of the thicker part of base member and can open to the biggest angle of opening of predetermineeing, satisfy user's user demand.

However, in actual use, the hinge is prone to the following drawbacks:

1. because a double-shaft torsion structure is adopted, the transmission ratio is limited by the meshing clearance of gears, the idle stroke of the hinge is large, the screen is easy to shake, and the stability of the screen after the screen is opened is influenced;

2. because the double shafts provide torsion, the screen is easy to tilt under the action of the torsion when being closed, and is difficult to keep fit with the base body.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a modified hinge structure.

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

a hinge structure comprises a first hinge body, a second hinge body and a connecting body, wherein the connecting body is arranged on the first hinge body in a sliding mode, the second hinge body comprises a rotating shaft rotatably arranged on the connecting body and a mounting plate arranged at one end of the rotating shaft, a rack is arranged on the first hinge body, a first gear meshed with the rack is arranged on the connecting body, a second gear meshed with the first gear is arranged on the rotating shaft, and the hinge structure further comprises a torsion part and a locking part, wherein the torsion part is arranged on the rotating shaft and can form torsion along with the rotation of the rotating shaft; the locking part comprises a first locking piece which is arranged on the connecting body and is provided with a first matching surface, and a second locking piece which is arranged on the rotating shaft and is provided with a second matching surface opposite to the first matching surface, wherein when the second hinge body is closed relative to the first hinge body, the first matching surface and the second matching surface are buckled and form locking.

Preferably, the connecting body is formed with a fixed shaft arranged side by side at an interval with the rotating shaft from a side wall, one end of the first locking piece is fixedly connected to the fixed shaft, the other end is sleeved on the rotating shaft and is formed with a first matching surface from one side, and the second locking piece is fixed on the rotating shaft and is formed with a second matching surface from one side close to the first locking piece. Set up like this, when carrying out the upset operation, first fitting surface remains motionless, and the second fitting surface can rotate with the rotation axis is synchronous, can lock each other under setting for the angle position between two fitting surfaces, is convenient for realize the relative locking between two hinge bodies.

Specifically, the first mating surface and the second mating surface are aligned in the axial direction of the rotating shaft.

Preferably, the first mating surface is formed with an inward recessed locking groove, the second mating surface is formed with an outward protruding locking portion, when the second hinge body is closed relative to the first hinge body, the locking portion rotates around the center line of the rotating shaft and is inserted into the locking groove to form locking, and the first mating surface and the second mating surface are attached to each other. The device is simple in structure and convenient to implement.

Preferably, the hinge structure further comprises a friction part, wherein the friction part comprises a first friction plate and a second friction plate, the first friction plate and the second friction plate are respectively sleeved on the fixed shaft and the rotating shaft from two end parts, the second friction plate is fixed on the rotating shaft, and at least two second friction plates respectively abut against the first friction plate, the first locking part and the side wall of the connecting body. Set up like this, increase the produced frictional force of rotation axis, and then can guarantee that the screen opens required sufficient torsion.

Preferably, the connecting body comprises a body with an accommodating cavity and an end plate arranged on one side of the body, wherein the rotating shaft penetrates through the accommodating cavity, the first gear and the second gear are arranged in the accommodating cavity, and the torsion part and the locking part are respectively arranged at the end part of the rotating shaft penetrating out of the accommodating cavity.

Specifically, be formed with two at least constant head tanks, be formed with two at least location portions on another in the two on body and the end plate two, during the installation, location portion one-to-one corresponds the cartridge in the constant head tank. Set up like this, during the equipment, can guarantee the hole site alignment on body and the end plate through the cooperation of location portion and constant head tank to the installation of rotation axis and gear shaft.

Further, the connecting body still includes the backstop board of setting between end plate and body, and wherein first gear and second gear spacing are between the lateral wall that backstop board and body correspond. Set up like this, guarantee the stability of rotation axis rotation in-process structure.

Preferably, an avoiding notch for avoiding the rotating shaft is formed on the end plate, wherein the side edge of the avoiding notch is in an arc shape matched with the rotating shaft.

In addition, a sliding rod arranged side by side with the rack at intervals is further formed on the first hinge body, and a sliding sleeve part sleeved on the sliding rod is formed on the connecting body. The arrangement is such that the sliding of the connecting body is guided.

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

the utility model has the advantages that on one hand, the torsion is provided by the single shaft, the influence of the gear meshing clearance is reduced, the idle stroke of the hinge is effectively reduced, and the screen is ensured to be kept stable after being opened; on the other hand, the two hinge bodies are locked relatively in a closed state through buckling of the two matching surfaces, so that the influence of the torsion action is eliminated, and the screen is attached to the base body.

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 the hinge structure of the present invention;

FIG. 2 is an exploded view (partially omitted) of FIG. 1;

FIG. 3 is an exploded view of FIG. 1 (from another perspective, partially omitted);

fig. 4 is a schematic front view of the hinge structure in a closed state;

fig. 5 is a schematic front view of the hinge structure of the present invention in an open state;

wherein: 1. a first hinge body; 10. a rack; 11. a slide bar;

2. a second hinge body; 20. a rotating shaft; 21. mounting a plate; c 1, a first gear; s, a pivot; c2, a second gear;

3. a linker; 30. a body; 300. a sliding sleeve portion; 301. positioning a groove; 302. a fixed shaft; 31. an end plate; 310. a positioning part; k. avoiding the notch; 32. a stopper plate;

4. a locking member; 41. a first locking member; m1, a first mating surface; m10, locking a groove; 42. a second locking member; m2, a second matching surface; m20, a locking part;

5. a torsion member; 50. a bolt connection; 51. a torsion member;

6. a friction member; 61. a first friction plate; 62. a second friction plate.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. 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 of the feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless explicitly specified 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, a first feature is "on" or "under" a second feature such that the first and second features are in direct contact, or the first and second features are in indirect contact via an intermediary. Also, a first feature "on," "above," and "over" a second feature may be directly on or obliquely above the second feature, or simply mean that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second 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. As used herein, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are for purposes of illustration only and do not denote a single embodiment.

As shown in fig. 1 to 5, the hinge structure of the present embodiment includes a first hinge body 1, a second hinge body 2, a connecting body 3, a locking member 4, a torsion member 5, and a friction member 6.

Specifically, the first hinge body 1 is provided with a rack 10 and a sliding rod 11 which are arranged side by side at intervals.

In this example, the second hinge body 2 includes a rotary shaft 20 and a mounting plate 21 provided at one end of the rotary shaft 20, wherein the connecting body 3 is slidably provided on the first hinge body 1 and is provided with a first gear c 1 engaged with the rack 10, and the rotary shaft 20 is rotatably provided on the connecting body 3 and is provided with a second gear c2 engaged with the first gear c 1. That is to say, when rotating in order to open or close the second hinge body, can drive the connecting body translation on the first hinge body in step through gear drive.

In this example, the connection body 3 includes a body 30 formed with a receiving cavity, an end plate 31 disposed at one side of the body 30, and a stopper plate 32 disposed between the body 30 and the end plate 31, wherein the rotation shaft 20 traverses the receiving cavity of the body 30.

Specifically, a sliding sleeve portion 300 sleeved on the sliding rod 11 is formed at the bottom of the body 30, and when the connecting body 3 translates on the first hinge body 1, the sliding sleeve portion 300 slides along the sliding rod 11.

For convenience, two positioning slots 301 are formed on the body 30, two positioning portions 310 are correspondingly formed on the end plate 31, when the fixing device is installed, the positioning portions 310 are correspondingly inserted into the positioning slots 301, and the body 30, the end plate 31 and the stop plate 32 are fixedly connected through bolts. Set up like this, during the equipment, can guarantee the hole site alignment on body and the end plate through the cooperation of location portion and constant head tank to the installation of rotation axis and gear shaft.

Meanwhile, an avoiding gap k for avoiding the rotating shaft 20 is formed on the end plate 31, wherein the side edge of the avoiding gap k is arc-shaped and matched with the rotating shaft 20.

In this example, the first gear c 1 is rotatably connected between the side wall of the body 30 and the end plate 31 through a pivot s, and the second gear c2 is disposed on a portion of the rotating shaft 20 located in the accommodating cavity, wherein the first gear c 1 and the second gear c2 are both limited between the stop plate 32 and the corresponding side wall of the body 30. Set up like this, guarantee the stability of rotation axis rotation in-process structure.

In this example, the locking component 4 and the torsion component 5 are respectively disposed at the end of the rotating shaft 20 penetrating out of the accommodating cavity (i.e. the end of the rotating shaft 20 far from the mounting plate 21), wherein the locking component 4 includes a first locking piece 41 disposed on the connecting body 3 and having a first mating surface m1, and a second locking piece 42 disposed on the rotating shaft 20 and having a second mating surface m2 opposite to the first mating surface m1, and when the second hinge body 2 is closed relative to the first hinge body 1, the first mating surface m1 and the second mating surface m2 are engaged and form a lock; the torsion member 5 is provided on the rotation shaft 20 and is capable of forming torsion with the rotation of the rotation shaft 20.

Specifically, a fixed shaft 302 is formed on the outer side wall of the body 30 and is arranged in parallel with the rotating shaft 20 at an interval, one end of the first locking member 41 is fixedly connected to the fixed shaft 302, the other end is sleeved on the rotating shaft 20 and is formed with a first matching surface m1 from one side, and the second locking member 42 is fixed on the rotating shaft 20 and is formed with a second matching surface m2 from one side close to the first locking member 41. Set up like this, when carrying out the upset operation, first fitting surface keeps motionless, and the second fitting surface can rotate with the rotation axis synchronization, can lock each other under setting for the angular position between two fitting surfaces, is convenient for realize the relative locking between two hinge bodies.

For convenience of implementation, the first mating surface m1 and the second mating surface m2 are aligned in the axial direction of the rotating shaft 20, wherein the first mating surface m1 is formed with a locking groove m10 recessed inward, the second mating surface m2 is formed with a locking portion m20 protruding outward, when the second hinge body 2 is closed relative to the first hinge body 1, the locking portion m20 rotates around the center line of the rotating shaft 20 and is inserted into the locking groove m10 to form locking, and the first mating surface and the second mating surface are abutted. The device is simple in structure and convenient to implement.

In order to facilitate the entry or exit of the lock portion m20 into or from the lock groove m10, opposite side surfaces of the lock groove m10 are provided obliquely.

In this embodiment, the torsion member 5 includes a bolt connector 50 connected to an end of the rotating shaft 20, and a torsion member 51 sleeved on the rotating shaft 20 and abutted between the bolt connector 50 and the second locking member 42, wherein the torsion member 51 may be of various conventional torsion member structures.

In this embodiment, the friction member 6 includes a first friction plate 61 respectively fitted over the fixed shaft 302 and the rotating shaft 20 from both ends, and a second friction plate 62 fixed to the rotating shaft 20, wherein the second friction plate 62 has two pieces and respectively abuts between the first friction plate 61 and the first locking member 41 and between the outer side walls of the body 30. Set up like this, increase the produced frictional force of rotation axis, and then can guarantee that the screen opens required sufficient torsion.

Therefore, the present embodiment has the following advantages:

1. the single shaft is used for providing torque force, so that the influence of gear meshing clearance is reduced, the idle stroke of the hinge is effectively reduced, and the screen is ensured to be stable after being opened;

2. through buckling of the two matching surfaces, the two hinge bodies are locked relatively in a closed state, the influence of a torsion force effect is eliminated, and the screen is attached to the base body;

3. the friction force generated by the rotation of the rotating shaft is increased by additionally arranging the friction part, so that enough torque force required by opening the screen can be ensured;

4. when the hinge body is turned over, the first matching surface is kept still, the second matching surface can synchronously rotate with the rotating shaft, the two matching surfaces can be mutually buckled at a set angle position, and relative locking between the two hinge bodies is convenient to realize.

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 hinge structure, its includes first hinge body, second hinge body, connector, the connector slides and sets up on the first hinge body, the second hinge body is including rotating the setting and being in rotation axis on the connector, setting are in the mounting panel of rotation axis tip, wherein be equipped with the rack on the first hinge body, be equipped with on the connector with the first gear of rack looks meshing, be equipped with on the rotation axis with the second gear of first gear looks meshing, its characterized in that:

the hinge structure further comprises a torsion part and a locking part, wherein the torsion part is arranged on the rotating shaft and can form torsion along with the rotation of the rotating shaft; the locking component comprises a first locking piece which is arranged on the connecting body and is provided with a first matching surface, and a second locking piece which is arranged on the rotating shaft and is provided with a second matching surface opposite to the first matching surface, wherein when the second hinge body is closed relative to the first hinge body, the first matching surface and the second matching surface are buckled and form locking.

2. The hinge structure according to claim 1, wherein: the connector from a lateral wall on be formed with the fixed axle that the rotating shaft set up side by side at an interval, a tip fixed connection of first locking piece is in on the fixed axle, another tip cover is established on the rotating shaft and from one side be formed with first fitting surface, the second locking piece is fixed on the rotating shaft and form from being close to one side of first locking piece the second fitting surface.

3. The hinge structure according to claim 2, wherein: the first mating surface and the second mating surface are aligned in an axial direction of the rotating shaft.

4. The hinge structure according to claim 2, wherein: the first matching surface is provided with an inwards concave locking groove, the second matching surface is provided with an outwards convex locking part, when the second hinge body is closed relative to the first hinge body, the locking part rotates around the central line of the rotating shaft and is inserted into the locking groove to form locking, and the first matching surface and the second matching surface are attached.

5. The hinge structure according to claim 2, wherein: the hinge structure further comprises a friction part, wherein the friction part comprises a first friction plate and a second friction plate, the first friction plate and the second friction plate are respectively sleeved on the fixed shaft and the rotating shaft from two end parts, the second friction plate is fixed on the rotating shaft, and the second friction plate is provided with at least two friction plates which respectively abut against the first friction plate, the first locking part and the side wall of the connecting body.

6. The hinge structure according to claim 1, wherein: the connecting body comprises a body and an end plate, wherein an accommodating cavity is formed in the body, the end plate is arranged on one side of the body, the rotating shaft penetrates through the accommodating cavity, the first gear and the second gear are arranged in the accommodating cavity, and the torsion component and the locking component are respectively arranged at the end parts, penetrating out of the accommodating cavity, of the rotating shaft.

7. The hinge structure according to claim 6, wherein: at least two positioning grooves are formed in one of the body and the end plate, at least two positioning parts are formed in the other of the body and the end plate, and the positioning parts are inserted into the positioning grooves in a one-to-one corresponding mode during installation.

8. The hinge structure according to claim 6, wherein: the connecting body further comprises a stop plate arranged between the end plate and the body, wherein the first gear and the second gear are limited between the stop plate and the side wall corresponding to the body.

9. The hinge structure according to claim 6, wherein: the end plate is provided with an avoidance notch for avoiding the rotating shaft, wherein the side edge of the avoidance notch is arc-shaped matched with the rotating shaft.

10. The hinge structure according to claim 1, wherein: the first hinge body is further provided with a sliding rod which is arranged with the rack at intervals side by side, and the connecting body is provided with a sliding sleeve part which is sleeved on the sliding rod.

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