CN112957715B - Display screen hinge mechanism, display screen assembly and treadmill - Google Patents

Display screen hinge mechanism, display screen assembly and treadmill Download PDF

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Publication number
CN112957715B
CN112957715B CN202110172514.5A CN202110172514A CN112957715B CN 112957715 B CN112957715 B CN 112957715B CN 202110172514 A CN202110172514 A CN 202110172514A CN 112957715 B CN112957715 B CN 112957715B
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China
Prior art keywords
display screen
arc
base
main body
shaft
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CN202110172514.5A
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CN112957715A (en
Inventor
杨锦明
苗长青
彭星伟
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Beijing Kingsmith Technology Co Ltd
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Beijing Kingsmith Technology Co Ltd
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    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B22/00—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements
    • A63B22/02—Exercising apparatus specially adapted for conditioning the cardio-vascular system, for training agility or co-ordination of movements with movable endless bands, e.g. treadmills
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/06—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting
    • F16M11/10—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand allowing pivoting around a horizontal axis
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M13/00—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles
    • F16M13/02—Other supports for positioning apparatus or articles; Means for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • A—HUMAN NECESSITIES
    • A63—SPORTS; GAMES; AMUSEMENTS
    • A63B—APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT
    • A63B71/00—Games or sports accessories not covered in groups A63B1/00 - A63B69/00
    • A63B71/06—Indicating or scoring devices for games or players, or for other sports activities
    • A63B71/0619—Displays, user interfaces and indicating devices, specially adapted for sport equipment, e.g. display mounted on treadmills
    • A63B2071/0658—Position or arrangement of display

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Physical Education & Sports Medicine (AREA)
  • Vascular Medicine (AREA)
  • Cardiology (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)

Abstract

The utility model relates to a display screen hinge mechanisms, display screen assembly and treadmill, display screen hinge mechanisms includes: the supporting frame is provided with an arc-shaped slotted hole, and the depth direction of the arc-shaped slotted hole is parallel to the pivot axis of the display screen main body; one of the connecting seat and the supporting frame is fixedly connected with a screen bracket provided with a display screen main body, and the other one of the connecting seat and the supporting frame is fixedly connected with the base; first pin joint axle subassembly, first pin joint axle subassembly include two at least back shafts that all are on a parallel with the pivot axis extension of display screen main part, and the tip of every back shaft all is connected with the connecting seat to every back shaft all wears to locate the arc slotted hole and can move along the arc line of arc slotted hole at the arc slotted hole, with the expansion angle that changes the display screen main part for the base. Through above-mentioned technical scheme, the display screen hinge mechanism that this disclosure provided has solved the display screen and has easily taken place to rock, install unstable problem, can promote user experience effect simultaneously.

Description

Display screen hinge mechanism, display screen assembly and treadmill
Technical Field
The utility model relates to a treadmill display screen device technical field specifically relates to a display screen hinge mechanisms, display screen assembly and treadmill.
Background
The treadmill display is usually fixed on the treadmill, the angle of the treadmill display cannot be adjusted, and the application range of the treadmill display is limited because users with different heights can see different visual angles of the treadmill display. Therefore, some current treadmills articulate the display screen on handrail crossbeam or gauge outfit, nevertheless because its articulated mode realizes the rotation of display screen through a articulated shaft or pin joint usually, therefore the treadmill is in the use, and the display screen easily rocks around the pin joint emergence, and the installation is unstable, and user experience is poor.
Disclosure of Invention
In order to solve the technical problem, the present disclosure aims to provide a display screen hinge mechanism, a display screen assembly and a treadmill, wherein the display screen hinge mechanism solves the problems that the display screen is easy to shake and instable to install.
To achieve the above object, the present disclosure provides a display screen hinge mechanism for pivotally connecting a display screen main body to a base, the display screen hinge mechanism including: the supporting frame is provided with an arc-shaped slotted hole, and the depth direction of the arc-shaped slotted hole is parallel to the pivot axis of the display screen main body; one of the connecting seat and the support frame is fixedly connected with a screen bracket provided with the display screen main body, and the other one of the connecting seat and the support frame is fixedly connected with the base; the first pivoting shaft assembly comprises at least two supporting shafts which extend parallel to the pivoting axis of the display screen main body, the end part of each supporting shaft is connected with the connecting seat, and each supporting shaft penetrates through the arc-shaped slotted hole and can move along the arc line of the arc-shaped slotted hole in the arc-shaped slotted hole so as to change the unfolding angle of the display screen main body relative to the base; and a driving unit movably disposed with respect to the support bracket and the link base to allow the support shaft to move in the arc-shaped slot, and for unlockably locking the support shaft with respect to the arc-shaped slot when the support shaft stops moving with respect to the arc-shaped slot.
Optionally, display screen hinge mechanism includes first guide main part, first guide main part is located the below of back shaft, and the orientation the surface structure of back shaft be for with the arcwall face that the arc of arc slotted hole suits, be provided with first internal tooth on the arcwall face, coaxial the cup jointing can be around self axis rotation third gear on the back shaft, the third gear with first internal tooth meshing, and adjacent two prop epaxial set up at an interval between the third gear.
Optionally, each of the support shafts is provided with a plurality of third gears at intervals along an axial direction thereof.
Optionally, the support shaft is rotatably mounted to the connecting seat about its own axis.
Optionally, the support shaft is axially limited on the connecting seat by a first elastic retainer ring.
Optionally, the third gear is mounted on the support shaft through a shaft sleeve, and the shaft sleeve is stopped by a second elastic retainer ring to be axially limited on the support shaft.
Optionally, the base includes the installation base member, first guide main part with the support frame all link firmly in the installation base member, wherein, the both ends outside of first guide main part all is provided with the support frame.
Alternatively, the first guide body is configured in an arc plate shape and is integrally formed with the mounting base.
Optionally, the driving unit is a gas spring, and one of a cylinder body and a piston rod of the gas spring is hinged to the supporting frame, and the other is hinged to the connecting seat.
Another aspect of this disclosure still provides a display screen assembly, display screen assembly includes screen support, display screen main part, base and foretell display screen hinge mechanism, the display screen main part install in the screen support, the screen support pass through display screen hinge mechanism pivotally connect in the base.
Optionally, the display screen assembly includes casing, casing on the base and casing under the base behind screen procapsid, the screen procapsid with casing butt joint forms behind the screen and is used for holding the screen support with the first inner space of display screen main part, just be constructed on the screen procapsid with the opening that the display screen main part corresponds, casing on the base with casing butt joint forms under the base and is used for holding the second inner space of base.
Optionally, a first arc-shaped guide structure is configured on one side of the base upper shell close to the screen front shell, and the screen front shell is configured with a first matching structure in sliding fit with the first arc-shaped guide structure; the casing is close to under the base one side of casing is constructed with second arc guide structure behind the screen, the casing is constructed with behind the screen with second arc guide structure sliding fit's second cooperation structure.
Yet another aspect of the present disclosure provides a treadmill comprising two uprights, a cross beam connected between the two uprights, and the display screen assembly described above, the base of the display screen assembly being mounted to the cross beam.
Through the technical scheme, namely the display screen hinge mechanism provided by the disclosure, the connecting seat is pivotally connected to the supporting frame through the movement of the at least two supporting shafts along the arc line of the arc-shaped slotted hole, so that the display screen main body is pivotally connected to the base, the display screen main body is not rotationally connected with the base through a hinge shaft or a hinge point as in the existing hinge mode, but moves along the arc-shaped slotted hole through the at least two supporting shafts, the supporting and rotating effects are achieved, meanwhile, the connection between the display screen main body and the base is more stable, and the user experience is good; in addition, this disclosure can realize locking and the unblock of display screen main part for the base through drive unit to better promotion user experience effect. To sum up, the display screen hinge mechanism that this disclosure provided has solved the display screen and has easily taken place to rock, the unstable problem of installation, can promote user experience effect simultaneously.
Additional features and advantages of the disclosure will be set forth in the detailed description which follows.
Drawings
The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:
fig. 1 is an exploded view of a display screen assembly as set forth in one exemplary embodiment of the present disclosure;
FIG. 2 is an enlarged partial schematic view of the location A in FIG. 1;
FIG. 3 is a perspective view of the housing of FIG. 1 with the display screen assembly removed;
FIG. 4 is an exploded view of FIG. 3;
fig. 5 is a perspective view of a support bracket of a display screen hinge mechanism proposed in the first exemplary embodiment of the present disclosure;
fig. 6 is a perspective view of a first guide body of a display screen hinge mechanism proposed in a first exemplary embodiment of the present disclosure;
FIG. 7 is a front view of a display screen assembly as set forth in one exemplary embodiment of the present disclosure;
FIG. 8 is a front view of the display assembly of FIG. 7, shown expanded to a different angle;
fig. 9 is an exploded view of a portion of the structure of a display screen hinge mechanism according to a second exemplary embodiment of the present disclosure;
FIG. 10 is a side view of a portion of a display screen articulation mechanism as set forth in an exemplary embodiment two of the present disclosure;
fig. 11 is a perspective view of a connection base of a display screen hinge mechanism proposed in an exemplary embodiment two of the present disclosure;
fig. 12 is a perspective view of a slider of a display screen hinge mechanism proposed in the second exemplary embodiment of the present disclosure;
fig. 13 is a perspective view of a partial structure of the treadmill set forth in an exemplary embodiment of the present disclosure.
Description of the reference numerals
1-a display screen main body; 2-a base; 201-mounting a substrate; 3-a support frame; 301-arc slot; 4-a connecting seat; 401-arc chute; 402-a first shaft hole; 403-fixing plate; 404-a via hole; 5-a first pivot shaft assembly; 501-supporting a shaft; 502-a first circlip; 6-a first guide body; 601-first internal teeth; 7-a third gear; 8-shaft sleeve; 9-a gas spring; 10-a screen support; 1001-fixture block; 11-screen front case; 12-screen rear housing; 13-a base upper housing; 14-a base lower housing; 15-a first arcuate guide structure; 16-a second arcuate guide structure; 17-upright post; 18-a cross beam; 19-a second pivot shaft assembly; 1901-fixed axis; 1902-a movable shaft; 20-a locking mechanism; 2001-a second guide body; 2002-first external teeth; 2003-second external teeth; 2004-second internal teeth; 21-an unlocking mechanism; 2101-slider; 2102-trimming line; 2103-second shaft hole; 2104-a resilient return member; 2105-protective sheath; 2106-card slot; 2107-chuck.
Detailed Description
The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.
In the present disclosure, the use of directional terms such as "inner and outer" refers to the inner and outer of the associated component profile, unless stated to the contrary. "first, second, etc. means that there is no ordering or importance in order to distinguish one element from another.
The present disclosure will be further described with reference to the accompanying drawings and detailed description.
In an embodiment of the present disclosure, there is provided a display screen hinge mechanism for pivotally connecting a display screen main body 1 to a base 2, as shown with reference to fig. 1 to 13, the display screen hinge mechanism including:
a support frame 3, wherein an arc-shaped slot hole 301 is formed on the support frame 3, and the depth direction of the arc-shaped slot hole 301 is parallel to the pivot axis of the display screen main body 1;
one of the connecting seat 4 and the support frame 3 is used for being fixedly connected with the display screen main body 1, and the other of the connecting seat 4 and the support frame 3 is used for being fixedly connected with the base 2; and
a pivot shaft assembly comprising at least two shafts each extending parallel to the pivot axis of the display main body 1, each shaft passing through the arc-shaped slot hole 301 and being connected at an end to the connecting base 4, each shaft being movable along the arc of the arc-shaped slot hole 301 to change the deployment angle of the display main body 1 relative to the base 2.
Through above-mentioned technical scheme, this display screen hinge mechanism that this disclosure provided promptly, the connecting seat is connected in the support frame with the pivot through the pitch arc removal of at least two axles along the arc slotted hole, and then makes the display screen main part pivotally connected in the base, make display screen main part and base no longer rotate through an articulated shaft or pin joint like current articulated mode and connect, but move along the arc slotted hole through at least two axles, when playing support and rotation effect, make the connection of display screen main part and base more stable, user experience nature is better.
The display screen hinge mechanism may be configured in any suitable manner without departing from the general inventive concept of the display screen hinge mechanism provided by the present disclosure. For example, the display screen hinge mechanism proposed by the first aspect of the present disclosure may be employed, which will be described in detail below.
Fig. 1 to 6 illustrate a display screen hinge mechanism provided by a first aspect of the present disclosure, the display screen hinge mechanism including:
a support frame 3, wherein an arc-shaped slot hole 301 is formed on the support frame 3, and the depth direction of the arc-shaped slot hole 301 is parallel to the pivot axis of the display screen main body 1;
one of the connecting seat 4 and the support frame 3 is used for being fixedly connected with the display screen main body 1, and the other of the connecting seat 4 and the support frame 3 is used for being fixedly connected with the base 2;
the first pivoting shaft assembly 5 comprises at least two support shafts 501 which extend parallel to the pivoting axis of the display screen main body 1, the end of each support shaft 501 is connected with the connecting seat 4, and each support shaft 501 penetrates through the arc-shaped slot hole 301 and can move along the arc line of the arc-shaped slot hole 301 in the arc-shaped slot hole 301 so as to change the unfolding angle of the display screen main body 1 relative to the base 2; and
a driving unit movably provided with respect to the support frame 3 and the link base 4 to allow the support shaft 501 to move in the arc-shaped slot 301 and for unlockably locking the support shaft 501 with respect to the arc-shaped slot 301 when the support shaft 501 stops moving with respect to the arc-shaped slot 301.
Through the above technical solution, that is, the display screen hinge mechanism provided in the first aspect of the present disclosure, the connecting seat 4 is pivotally connected to the supporting frame 3 by moving along the arc of the arc-shaped slot 301 through at least two supporting shafts 501, so that the display screen main body 1 is pivotally connected to the base 2, so that the display screen main body 1 and the base 2 are not rotationally connected through one hinge shaft or hinge point as in the existing hinge mode, but move along the arc-shaped slot 301 through at least two supporting shafts 501, and when supporting and rotating are performed, the connection between the display screen main body 1 and the base 2 is more stable, and the user experience is good; in addition, this disclosure can realize through drive unit the locking and the unblock of display screen main part 1 for base 2 to better promotion user experience effect. To sum up, the display screen hinge mechanism that this disclosure first aspect provided has solved the display screen and has easily taken place to rock, install unstable problem, can promote user experience effect simultaneously.
The locking refers to keeping the display screen main body 1 at a required unfolding angle relative to the base 2 when a user adjusts the display screen main body 1 and the base 2 to the required unfolding angle; the unlocking means unlocking the above-described locked state to allow adjustment of the deployment angle between the display screen main body 1 and the base 2.
In order to further increase the stability of the connecting base 4 when rotating relative to the supporting bracket 3, i.e. to increase the stability of the at least two supporting shafts 501 when moving along the arc of the arc-shaped slot 301, in some embodiments, as shown with reference to fig. 3 and 4, the at least two supporting shafts 501 are arranged spaced apart from each other along the arc of the arc-shaped slot 301. Thus, by increasing the distance between the support shafts 501 along the arcs, the rotation of the connecting base 4 relative to the supporting bracket 3 can be stabilized.
Considering that the frictional resistance between the support shafts 501 and the arc-shaped slots 301 is small when the unfolding angle between the display screen main body 1 and the base 2 is adjusted by the movement of the at least two support shafts 501 along the arc of the arc-shaped slots 301, it is not easy for the user to quickly adjust to the desired unfolding angle due to the strength of the user when adjusting the display screen main body 1. Therefore, in some embodiments, the display screen hinge mechanism includes a first guiding main body 6, the first guiding main body 6 is located below the supporting shaft 501, the surface facing the supporting shaft 501 is configured as an arc-shaped surface corresponding to the arc of the arc-shaped slot 301, the arc-shaped surface is provided with a first internal tooth 601, the supporting shaft 501 is coaxially sleeved with a third gear 7 capable of rotating around the axis of the supporting shaft, the third gear 7 is meshed with the first internal tooth 601, and the third gears 7 on two adjacent supporting shafts 501 are arranged at intervals. Therefore, by adding the third gear 7 and the first inner teeth 601 meshed with the third gear, damping can be provided for rotation of the display screen main body 1 in a gear meshing mode when the unfolding angle of the display screen main body 1 is adjusted, so that on one hand, a user feels better when rotating the display screen main body 1, the display screen main body 1 can be adjusted to a required unfolding angle more quickly, and the experience effect of the user is greatly improved; on the other hand, due to the existence of the damping, the stability of connection between the display screen main body 1 and the base 2 can be improved, so that the display screen is not easy to shake. Meanwhile, by adding the first guide body 6, the gravity from the display screen main body 1 can be shared with the support frame 3 to a certain extent, and the abrasion between the support shaft 501 and the arc-shaped slot hole 301 can be reduced. In addition, during production and manufacturing, the position of the first guide body 6 can be finely adjusted to adjust the fit clearance between the first internal teeth 601 and the third gear 7, so that the damping during the rotation of the display screen body 1 and the gravity from the display screen body 1 shared by the first guide body 6 can be further increased.
The surface of the first guiding main body 6 facing the supporting shaft 501 is configured as an arc-shaped surface corresponding to the arc of the arc-shaped slot 301, where corresponding means that the centers of the arc-shaped surface and the arc of the arc-shaped slot 301 are both located on the pivot axis of the display screen main body 1. Thus, the third gear 7 on the support shaft 501 can be ensured to be meshed with the first internal teeth 601 of the arc-shaped surface for transmission when moving along the arc of the arc-shaped slotted hole 301.
The third gear 7 can be rotated about its axis to be rotated in mesh with the first internal teeth 601 in various ways. For example, in some embodiments, as shown with reference to fig. 3 and 4, the support shaft 501 is rotatably mounted to the connection holder 4 about its own axis. In this way, since the support shaft 501 can rotate about its axis, the third gear 7 can be fixedly connected to the support shaft 501 to follow the rotation of the support shaft 501. Of course, the third gear 7 may also be movably sleeved on the support shaft 501 and the support shaft 501 respectively rotate around their axes. Further, the support shaft 501 can be stopped by the first elastic retainer ring 502 to be axially limited on the connecting seat 4, and the installation and use mode of the elastic retainer ring are mature prior art and are not described again here.
In another embodiment, the supporting shaft 501 may also be fixedly connected to the connecting seat 4, and the third gear 7 may be rotatably sleeved on the supporting shaft 501 around its axis. In this way, rotation of the third gear 7 about its own axis is also achieved. For example, in some embodiments, the third gear 7 is mounted to the support shaft 501 via a bushing 8. So that the third gear wheel 7 can be rotated about its own axis by means of the sleeve 8. Further, the shaft sleeve 8 can be axially limited on the support shaft 501 through the second elastic check ring, and the installation and use modes of the shaft sleeve and the elastic check ring are mature prior art and are not described again here.
In some embodiments, as shown with reference to fig. 3, each of the support shafts 501 is provided with a plurality of third gears 7 at intervals along the axial direction thereof. Like this, can increase the damping that display screen main part 1 rotated the in-process through addding third gear 7, and then can further increase the stability that display screen main part 1 rotated the process. Further, a plurality of third gears 7 on the supporting shaft 501 can be uniformly arranged at intervals, so that the synchronism of the display screen main body 1 along two sides of the direction of the pivot axis can be increased in the rotating process, and the user experience effect is better.
In some embodiments, referring to fig. 1 to 4, the base 2 includes a mounting base 201, and the first guiding body 6 and the supporting frame 3 are both fixedly connected to the mounting base 201, wherein the supporting frame 3 is disposed outside both ends of the first guiding body 6. In this way, the mounting base 201 can be used not only as a base for mounting the first guide body 6 and the support bracket 3, but also for mounting components such as a PCB board of the base 2 and a display switch.
In some specific embodiments, as shown with reference to fig. 6, the first guide body 6 is configured in an arc-shaped plate shape and is integrally formed with the mounting base 201. In this way, by configuring the first guide body 6 and the mounting base 201 as one body, it is possible to improve the assembling efficiency and the structural strength.
In some embodiments, the driving unit is a gas spring 9, one of a cylinder body and a piston rod of the gas spring 9 is hinged to the support frame 3, and the other is hinged to the connecting seat 4. The gas spring 9 may be a free-stopping spring, such as a friction type gas spring and a balance type gas spring, which can be stopped at any position in the stroke without any external structure. For example, when the user adjusts the display screen main body 1 to a desired unfolding angle, the display screen main body 1 stops rotating, and the display screen main body can be kept at the current unfolding angle under the action of the gas spring; simultaneously, when the user need adjust the expansion angle of display screen main part 1, rotate display screen main part 1 with the hand, when the power that applies when the hand surpassed the locking force of air spring, can rotate display screen main part 1, and then can adjust display screen main part 1 to required expansion angle.
On the basis of the display screen hinge mechanism provided according to the first aspect of the present disclosure, referring to fig. 1 to 8, the present disclosure further provides a display screen assembly, where the display screen assembly includes a screen support 10, a display screen main body 1, a base 2, and the display screen hinge mechanism, where the display screen main body 1 is installed on the screen support 10, and the screen support 10 is pivotally connected to the base 2 through the display screen hinge mechanism.
In some specific embodiments, a plurality of clamping blocks 1001 are arranged on the screen bracket 10, the plurality of clamping blocks 1001 enclose an installation space matched with the shape of the display screen main body 1, and the display screen main body 1 is arranged in the installation space and clamped with the clamping blocks 1001. Thus, the use of fasteners such as screws can be avoided, and the assembly efficiency is improved.
The latch 1001 may be configured in any suitable manner for the purpose of securing the display main body 1 by a plurality of latches 1001. For example, the clamping block 1001 may have an L-shaped structure, and include a first plate fixedly connected to the display screen main body 1 and a second plate perpendicular to the first plate, where the second plates surround the installation space, and the second plate can elastically deform to fix the display screen main body 1 in the installation space by pressing.
In some embodiments, referring to fig. 1, 7 and 8, the display screen assembly includes a front screen housing 11, a rear screen housing 12, an upper base housing 13 and a lower base housing 14, the front screen housing 11 is abutted with the rear screen housing 12 to form a first internal space for accommodating the screen bracket 10 and the display screen body 1, the front screen housing 11 is configured with an opening corresponding to the display screen body 1, and the upper base housing 13 is abutted with the lower base housing 14 to form a second internal space for accommodating the base 2.
It is considered that when the display main body 1 is rotated relative to the base 2, an external housing thereof is required to satisfy the rotation of the display main body 1 and, for example, signal lines and the like on the base 2 cannot be exposed. Thus, in some embodiments, referring to fig. 1, 7 and 8, a side of the base upper housing 13 adjacent to the screen front housing 11 is configured with a first arcuate guide structure 15, and the screen front housing 11 is configured with a first mating structure that slidingly mates with the first arcuate guide structure 15; a second arc-shaped guide structure 16 is configured on one side of the lower base housing 14 close to the rear screen housing 12, and the rear screen housing 12 is configured with a second matching structure in sliding fit with the second arc-shaped guide structure 16. The first arcuate guide structure 15 and the second arcuate guide structure 16 may be configured in any suitable manner, for example, each may be configured as a substantially arcuate plate, and the first mating structure may be configured with an arcuate surface that conforms to the arcuate plate. Thus, through the sliding fit of the first arc-shaped guide structure 15 and the first matching structure and the sliding fit of the second arc-shaped guide structure 16 and the second matching structure, a sealed space for packaging the internal components of the display screen assembly can be formed under the condition that the rotation requirement of the display screen main body 1 can be met. For example, FIG. 7 shows a schematic view of a display screen assembly in a deployed angle of 107 °; fig. 8 is a schematic view showing a state where the display panel assembly is unfolded at an angle of 127 °.
On the basis of the display screen assembly provided according to the first aspect of the present disclosure, the present disclosure also provides a treadmill, as shown in fig. 13, which includes the upright posts 17, the cross beam 18 connected between the two upright posts 17, and the display screen assembly, the base 2 of which is mounted on the cross beam 18. Like this, the treadmill that this disclosure first aspect provided can adapt to not the crowd of co-altitude to use through installing foretell display screen assembly, and the display screen assembly installation is firm in the treadmill use, is difficult for rocking, has greatly promoted user's experience and has felt.
The display screen hinge mechanism proposed by the second aspect of the present disclosure may also be employed without departing from the general inventive concept thereof, which will be described in detail below.
Fig. 9 to 12 illustrate a display screen hinge mechanism provided by a second aspect of the present disclosure, the display screen hinge mechanism including:
a support frame 3, wherein an arc-shaped slot hole 301 is formed on the support frame 3, and the depth direction of the arc-shaped slot hole 301 is parallel to the pivot axis of the display screen main body 1;
the display screen comprises a connecting seat 4, wherein the connecting seat 4 is provided with a first shaft hole 402 and an arc-shaped chute 401 matched with the arc-shaped slotted hole 301 in shape, one of the connecting seat 4 and a support frame 3 is fixedly connected with the display screen main body 1, and the other of the connecting seat 4 and the support frame 3 is fixedly connected with the base 2;
the second pivot shaft assembly 19, the second pivot shaft assembly 19 includes a fixed shaft 1901 and a movable shaft 1902, both of which extend parallel to the pivot axis of the display screen main body 1, the fixed shaft 1901 and the movable shaft 1902 both pass through the arc-shaped slot 301 and are connected to the connecting seat 4 at the ends, the fixed shaft 1901 and the movable shaft 1902 can move along the arc of the arc-shaped slot 301 to change the unfolding angle of the display screen main body 1 relative to the base 2, the fixed shaft 1901 is inserted into the first shaft hole 402, and the movable shaft 1902 is inserted into the arc-shaped sliding slot 401 and can move relative to the connecting seat 4 along the arc-shaped sliding slot 401; and
a lock mechanism 20, the lock mechanism 20 including a lock engagement portion and a lock engagement portion that can be engaged with each other, the lock engagement portion being provided on the fixed shaft 1901, and the lock engagement portion being provided on the movable shaft 1902;
wherein, when the movable shaft 1902 moves relative to the connecting base 4 to make the locking joint and the locking matching part cooperate, the locking mechanism 20 locks the fixed shaft 1901 and the movable shaft 1902 relative to the arc-shaped slot 301; when the movable shaft 1902 is moved relative to the connecting holder 4 so that the locking engagement portion and the locking engagement portion are separated, the locking mechanism 20 unlocks the fixed shaft 1901 and the movable shaft 1902 relative to the arc-shaped slot 301.
Through the above technical solution, that is, the display screen hinge mechanism provided by the second aspect of the present disclosure, the connecting seat 4 is rotatably connected to the supporting frame 3 along the arc of the arc-shaped slot 301 through the fixed shaft 1901 and the movable shaft 1902, so that the display screen main body 1 is pivotally connected to the base 2, so that the display screen main body 1 and the base 2 are not rotatably connected through a hinge shaft or a hinge point as in the existing hinge mode, but move along the arc-shaped slot 301 through the fixed shaft 1901 and the movable shaft 1902, and when the supporting and rotating effects are achieved, the connection between the display screen main body 1 and the base 2 is more stable, and the user experience is good; in addition, this disclosure can realize locking and the unblock to the display screen main part through locking mechanism to better promotion user experience effect. To sum up, the display screen hinge mechanism that this disclosure provided has solved the display screen and has easily taken place to rock, the unstable problem of installation, can promote user experience effect simultaneously.
The locking refers to keeping the display screen main body 1 at a required unfolding angle relative to the base 2 when a user adjusts the display screen main body 1 and the base 2 to the required unfolding angle; the unlocking means unlocking the above-described locked state to allow adjustment of the deployment angle between the display screen main body 1 and the base 2.
In addition, the connecting seat 4 forms an arc-shaped sliding slot 401 matched with the arc-shaped slot hole 301 in shape, and the matching means that the centers of the arcs where the arc-shaped sliding slot 401 and the arc-shaped slot hole 301 are located are both located on the pivot axis of the display screen main body 1. Thus, when the shaft body part of the movable shaft 1902 inserted into the arc-shaped slot 301 is inconsistent with the shaft body part of the movable shaft 1902 inserted into the arc-shaped slot 401 in shaft diameter, the two ends of the movable shaft 1902 can still move synchronously along the arc line of the arc-shaped slot 401 or the arc line of the arc-shaped slot 301.
Furthermore, it should be noted that the display screen hinge mechanism proposed in the second aspect of the present disclosure may include a plurality of shafts, and is not limited to the fixed shaft 1901 and the movable shaft 1902, and for better expanded description, two adjacent shafts of the plurality of shafts are taken as examples, namely, the fixed shaft 1901 and the movable shaft 1902. For example, the present disclosure may further include a plurality of fixed shafts 1901 and a movable shaft 1902, the movable shaft 1902 is provided with the locking engagement portion, and one fixed shaft 1901 adjacent to the movable shaft 1902 is provided with the locking engagement portion. Thus, the movable shaft 1902 and the fixed shaft 1901 are fitted to each other, whereby the fixed shaft 1901 and the movable shaft 1902 can be locked and unlocked with respect to the arc-shaped groove hole 301.
In some embodiments, referring to fig. 9 and 10, the locking mechanism 20 includes a second guiding body 2001, a surface of the second guiding body 2001 facing the fixed shaft 1901 and the movable shaft 1902 is configured as an arc-shaped surface corresponding to an arc shape of the arc-shaped slot 301, the arc-shaped surface is provided with a second inner tooth 2004, the locking combination is configured as a first outer tooth 2002 coaxially fixed with the fixed shaft 1901, the locking matching part is configured as a second outer tooth 2003 coaxially fixed with the movable shaft 1902, and the first outer tooth 2002 and the second outer tooth 2003 are both engaged with the second inner tooth 2004, wherein when the first outer tooth 2002 is engaged with the second outer tooth 2003, the fixed shaft 1901 and the movable shaft 1902 are locked relative to the arc-shaped slot 301; when the first external teeth 2002 and the second external teeth 2003 are separated, the fixed shaft 1901 and the movable shaft 1902 are allowed to move relative to the arc-shaped slot 301. Thus, when the first external tooth 2002 is meshed with the second external tooth 2003, the first external tooth 2002, the second external tooth 2003 and the second internal tooth 2004 are meshed in pairs, so that the fixed shaft 1901 and the movable shaft 1902 can be locked in the arc-shaped slot 301, and the display screen main body 1 and the base 2 can be fixed at a certain spreading angle; when the first external teeth 2002 and the second external teeth 2003 are separated, the first external teeth 2002 and the second external teeth 2003 are respectively engaged with the second internal teeth 2004, so that the fixed shaft 1901 and the movable shaft 1902 can be unlocked, and the unfolding angle of the display screen main body 1 can be adjusted.
When the first outer tooth 2002 and the second outer tooth 2003 are separated, namely, in an unlocking state, damping can be provided for rotation of the display screen main body 1 in a gear meshing mode when the unfolding angle of the display screen main body 1 is adjusted, so that a user can feel better when rotating the display screen main body 1, the display screen main body 1 can be adjusted to a required unfolding angle more quickly, and the experience effect of the user is greatly improved; when the first external teeth 2002 and the second external teeth 2003 are engaged, i.e., in a locked state, the stability of the connection between the display screen main body 1 and the base 2 can be increased, making it less prone to rattling.
In addition, in order to prevent the first external teeth 2002 and the second external teeth 2003 and the second internal teeth 2004 from being mismatched, the first external teeth 2002 are fully toothed in the circumferential direction of the fixed shaft 1901, and the second external teeth 2003 are fully toothed in the circumferential direction of the movable shaft 1902.
In addition, in order to satisfy the connection between the first external teeth 2002 and the second external teeth 2003 and the second internal teeth 2004, the fixed shaft 1901 is rotatably inserted into the first shaft hole 402 around its own axis, and the movable shaft 1902 is rotatably inserted into the arc chute 401 around its own axis and is capable of moving along the arc of the arc chute 401.
In some embodiments, the second guiding body 2001 is fixedly connected to the supporting frame 3, and the second guiding body 2001 is located below the fixed shaft 1901 and the movable shaft 1902. In this way, the second guide body 2001 can bear the weight of the display panel body 1 together with the support frame 3 to some extent, and abrasion between the fixed shaft 1901 and the movable shaft 1902 and the arc-shaped groove hole 301 can be reduced. In addition, at the time of production and manufacture, the fit clearance between the second internal teeth 2004 and the first and second external teeth 2002, 2003 can be adjusted by finely adjusting the position of the second guide body 2001, and thus the damping during rotation of the display main body 1 and the gravity from the display main body 1 shared by the second guide body 2001 can be further increased.
In some embodiments, as shown in fig. 9, the second guide body 2001 may be configured in an arc plate shape to reduce an occupied space and a manufacturing cost.
In other embodiments, the first external teeth 2002 may be manufactured separately from the fixed shaft 1901 in order to achieve meshing rotation between the first external teeth 2002 and the second internal teeth 2004. For example, the locking mechanism 20 may include a first gear with the first external teeth 2002 defined by the first gear, which is detachably mounted to the fixed shaft 1901. Therefore, the first gear with the proper size is adopted for assembly, and the part machining process is shortened.
Similarly, the second outer teeth 2003 may also be manufactured separately from the movable shaft 1902. For example, the locking mechanism 20 may include a second gear with second outer teeth 2003 defined by the second gear, the second gear being detachably mounted to the movable shaft 1902. Therefore, the second gear with the proper size can be assembled, and the processing process of parts is shortened.
In some embodiments, the display screen hinge mechanism further includes an unlocking mechanism 21, and the unlocking mechanism 21 is connected to the movable shaft 1902 to provide a power for moving the movable shaft 1902 along the arc-shaped sliding groove 401 relative to the connecting base 4. Thus, the fixed shaft 1901 and the movable shaft 1902 can be unlocked by the unlocking mechanism 21, and the deployment angle of the display screen main body 1 can be adjusted.
The unlocking mechanism 21 may be configured in any suitable manner, the purpose of which is to provide a motive force to move the movable shaft 1902 along the arc of the arc chute 401. For example, in some embodiments, referring to fig. 9 and 10, the unlocking mechanism 21 includes a slider 2101 and a fine adjustment line 2102, the slider 2101 is disposed in the arc-shaped sliding slot 401 and can move along the arc of the arc-shaped sliding slot 401, the slider 2101 is configured with a second shaft hole 2103 for passing an end of the movable shaft 1902, and the fine adjustment line 2102 is connected to the slider 2101 for providing a power for moving the slider 2101 along the arc of the arc-shaped sliding slot 401 to move the movable shaft 1902 in a direction away from the fixed shaft 1901. Therefore, when the display screen main body 1 needs to be rotated to adjust the unfolding angle, the fine adjustment line 2102 can be pulled to drive the slider 2101 to move so as to drive the movable shaft 1902 to move, and the unfolding angle of the display screen main body 1 can be adjusted by rotating the display screen main body with a hand at the moment.
In some embodiments, the end of the movable shaft 1902 that passes through the second shaft aperture 2103 is stopped by a third circlip to be axially retained on the slider 2101. The installation and the using method of circlip are comparatively ripe prior art, and will not be described here any more.
In some embodiments, the unlocking mechanism 21 further includes an elastic restoring member 2104, the elastic restoring member 2104 is disposed in the arc-shaped sliding groove 401 along the arc of the arc-shaped sliding groove 401 and both ends of the elastic restoring member 2104 are respectively connected to the slider 2101 and the arc-shaped sliding groove 401, so as to provide an elastic force for moving the slider 2101 along the arc of the arc-shaped sliding groove 401 to move the movable shaft 1902 towards the fixed shaft 1901. Thus, when the display screen main body 1 is adjusted to a desired unfolding angle, the fine adjustment line 2102 is released, and the slider 2101 can be reset under the action of the elastic reset piece 2104, so that the locking mechanism 20 locks the fixed shaft 1901 and the movable shaft 1902 relative to the arc-shaped sliding groove 401 again, and the automatic locking function of releasing the fine adjustment line is realized.
The elastic restoring member 2104 may be a spring. In some embodiments, as shown with reference to fig. 10, the spring may be sleeved over a trim line 2102, and the spring is compressed by the slider 2101 when the trim line 2102 is pulled for providing a spring force to reset the slider 2101 after the trim line 2102 is released. In other embodiments, the spring may be disposed on the side of the slider 2101 away from the trimming line 2102, and both ends of the spring are connected to the slider 2101 and the arc-shaped sliding slot 401, respectively. Thus, when the trim line 2102 is pulled, the spring may be stretched by the slider 2101 to provide a pulling force to reset the slider 2101 after the trim line 2102 is released.
In some specific embodiments, referring to fig. 10 and 12, a clamping slot 2106 is disposed on the slider 2101, a clamp 2107 is disposed on the trimming line 2102, and the clamp 2107 is clamped with the clamping slot 2106 to clamp the trimming line 2102 to the slider 2101. The card slot 2106 and the cartridge 2107 may be configured in any suitable manner, and the disclosure is not limited thereto.
In some specific embodiments, referring to fig. 10 and 11, a protective cover 2105 is sleeved on the fine adjustment line 2102, a fixing plate 403 is disposed on the connection seat 4, a through hole 404 for the fine adjustment line 2102 to pass through is formed in the fixing plate 403, and one end of the protective cover 2105 is fixedly connected to the fixing plate 403. By providing the protective sleeve 2105 over the trimming lines 2102, the trimming lines 2102 can be better restrained to position and prevent the trimming lines from touching various components on the base 2, such as a PCB board and a control module, during the pulling process.
In some embodiments, the base 2 includes a mounting base 201, and the support frame 3 is attached to the mounting base 201. The mounting base 201 can be used as a base for mounting the support frame 3, and can also be used for mounting components such as a PCB board of the base 2 and a display screen switch.
In some embodiments, the mounting base 201 extends along the pivot axis of the display screen main body 1, two support frames 3 are symmetrically arranged on the mounting base 201 along two sides of the pivot axis, and the number of the connecting seats 4 is two and corresponds to one of the support frames 3. Like this, through the bilateral symmetry at installation base member 201 set up support frame 3 and connecting seat 4, can make being connected of display screen main part 1 and base 2 more firm, make the rotation process of display screen main part 1 more firm simultaneously.
In order to further enhance the synchronism of the two ends of the display panel main body 1 during the rotation process, considering that the supporting frame 3 and the connecting seat 4 are symmetrically disposed at the two ends of the mounting base 201, in some embodiments, the two ends of the fixed shaft 1901 and the movable shaft 1902 are respectively connected to the connecting seat 4 located outside the supporting frame 3 through the arc-shaped slot 301 on the corresponding supporting frame 3. In this way, as shown in fig. 3 of the display screen hinge mechanism according to the first aspect of the present disclosure, the fixed shaft 1901 and the movable shaft 1902 are as long as the support shaft 501 according to the first aspect extends along the pivot axis. Thus, the rotation of the display screen main body 1 can be made more stable.
On the basis of the display screen hinge mechanism provided according to the second aspect of the present disclosure, the present disclosure further provides a display screen assembly, which includes a screen support 10, a display screen main body 1, a base 2 and the display screen hinge mechanism, wherein the display screen main body 1 is mounted on the screen support 10, and the screen support 10 is pivotally connected to the base 2 through the display screen hinge mechanism. It should be noted here that the display screen assembly provided herein according to the second aspect of the present disclosure may be configured in the manner of the display screen assembly provided herein according to the first aspect of the present disclosure, but the present disclosure is not limited thereto, and may also be configured in other different manners to meet the requirements of practical applications.
In some specific embodiments, a plurality of clamping blocks 1001 are arranged on the screen bracket 10, the plurality of clamping blocks 1001 enclose an installation space matched with the shape of the display screen main body 1, and the display screen main body 1 is arranged in the installation space and clamped with the clamping blocks 1001. Thus, the use of fasteners such as screws can be avoided, and the assembly efficiency is improved.
The latch 1001 may be configured in any suitable manner for the purpose of securing the display main body 1 by a plurality of latches 1001. For example, the clamping block 1001 may have an L-shaped structure, and include a first plate fixedly connected to the display screen main body 1 and a second plate perpendicular to the first plate, where the second plates surround the installation space, and the second plate can elastically deform to fix the display screen main body 1 in the installation space by pressing.
In some embodiments, referring to fig. 1, 7 and 8, the display screen assembly includes a front screen housing 11, a rear screen housing 12, an upper base housing 13 and a lower base housing 14, the front screen housing 11 is abutted with the rear screen housing 12 to form a first internal space for accommodating the screen bracket 10 and the display screen body 1, the front screen housing 11 is configured with an opening corresponding to the display screen body 1, and the upper base housing 13 is abutted with the lower base housing 14 to form a second internal space for accommodating the base 2.
It is considered that when the display main body 1 is rotated with respect to the base 2, an outer case thereof needs to satisfy the rotation of the display main body 1 and, for example, signal lines and the like on the base 2 cannot be exposed. Thus, in some embodiments, referring to fig. 1, 7 and 8, a side of the base upper housing 13 adjacent to the screen front housing 11 is configured with a first arcuate guide structure 15, and the screen front housing 11 is configured with a first mating structure that slidingly mates with the first arcuate guide structure 15; a second arc-shaped guide structure 16 is configured on one side of the lower base housing 14 close to the rear screen housing 12, and the rear screen housing 12 is configured with a second matching structure in sliding fit with the second arc-shaped guide structure 16. The first arcuate guide structure 15 and the second arcuate guide structure 16 may be configured in any suitable manner, for example, each may be configured as a substantially arcuate plate, and the first mating structure may be configured with an arcuate surface that conforms to the arcuate plate. Thus, through the sliding fit of the first arc-shaped guide structure 15 and the first matching structure and the sliding fit of the second arc-shaped guide structure 16 and the second matching structure, a sealed space for packaging the internal components of the display screen assembly can be formed under the condition that the rotation requirement of the display screen main body 1 can be met. For example, FIG. 7 shows a schematic view of a display screen assembly in a deployed angle of 107 °; fig. 8 is a schematic view showing a state where the display panel assembly is unfolded at an angle of 127 °.
On the basis of the display screen assembly provided according to the second aspect of the present disclosure, the present disclosure also provides a treadmill, as shown in fig. 13, which includes the upright posts 17, the cross beam 18 connected between the two upright posts 17, and the display screen assembly, and the base 2 of the display screen assembly is mounted on the cross beam 18. Like this, the treadmill that this disclosure second aspect provided can adapt to not the crowd of co-altitude to use through installing foretell display screen assembly, and the display screen assembly installation is firm in the treadmill use, is difficult for rocking, has greatly promoted user's experience and has felt. It should be noted here that the treadmill provided herein according to the second aspect of the present disclosure may be configured in the manner of the treadmill provided herein according to the first aspect of the present disclosure, but the present disclosure is not limited thereto, and may also be configured in other different manners to meet the requirements of practical applications.
The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure.
It should be noted that the various features described in the above embodiments may be combined in any suitable manner without departing from the scope of the invention. In order to avoid unnecessary repetition, various possible combinations will not be separately described in this disclosure.
In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (12)

1. A display hinge mechanism for pivotally connecting a display body (1) to a base (2), the display hinge mechanism comprising:
the support frame (3), the support frame (3) is formed with an arc-shaped slotted hole (301), the depth direction of the arc-shaped slotted hole (301) is parallel to the pivot axis of the display screen main body (1);
one of the connecting seat (4) and the supporting frame (3) is fixedly connected with a screen bracket (10) provided with the display screen main body (1), and the other one of the connecting seat (4) and the supporting frame (3) is fixedly connected with the base (2);
the first pivoting shaft assembly (5) comprises at least two supporting shafts (501) which extend parallel to the pivoting axis of the display screen main body (1), the end of each supporting shaft (501) is connected with the connecting seat (4), and each supporting shaft (501) penetrates through the arc-shaped slotted hole (301) and can move along the arc of the arc-shaped slotted hole (301) in the arc-shaped slotted hole (301) so as to change the unfolding angle of the display screen main body (1) relative to the base (2); and
a driving unit which is movably arranged relative to the support frame (3) and the connecting seat (4) to allow the support shaft (501) to move in the arc-shaped slotted hole (301), and is used for locking the support shaft (501) relative to the arc-shaped slotted hole (301) in an unlocking way when the support shaft (501) stops moving relative to the arc-shaped slotted hole (301);
display screen hinge mechanism includes first guide main part (6), first guide main part (6) are located the below of back shaft (501), and the orientation the surface construction of back shaft (501) be for with the arcwall face that the arc of arc slotted hole (301) suited, be provided with first internal tooth (601) on the arcwall face, coaxial cup jointing has can be around self axis rotation ground third gear (7) on back shaft (501), third gear (7) with first internal tooth (601) meshing, and adjacent two on back shaft (501) set up at interval between third gear (7).
2. A display screen hinge mechanism according to claim 1, wherein each support shaft (501) is provided with a plurality of the third gears (7) at intervals along the axial direction thereof.
3. The screen hinge mechanism according to claim 1, wherein the support shaft (501) is rotatably mounted to the connecting base (4) about its axis.
4. The display screen hinge mechanism according to claim 3, wherein the support shaft (501) is stopped by a first elastic collar (502) to be axially restrained on the connecting seat (4).
5. A display screen hinge mechanism according to claim 1, wherein the third gear (7) is mounted to the support shaft (501) by means of a bushing (8), the bushing (8) being stopped by means of a second circlip to be axially retained on the support shaft (501).
6. The display screen hinge mechanism according to claim 1, wherein the base (2) comprises a mounting base (201), the first guide body (6) and the support frame (3) are both fixedly connected to the mounting base (201), and the support frame (3) is disposed outside both ends of the first guide body (6).
7. The display screen hinge mechanism according to claim 6, wherein the first guide body (6) is configured in an arc-shaped plate shape and is integrally formed with the mounting base (201).
8. A display screen hinge mechanism according to any one of claims 1-7, wherein the drive unit is a gas spring (9), and one of a cylinder and a piston rod of the gas spring (9) is hinged to the support frame (3) and the other is hinged to the connecting base (4).
9. A display screen assembly, characterized in that the display screen assembly comprises a screen support (10), a display screen main body (1), a base (2) and the display screen hinge mechanism of any one of claims 1-8, the display screen main body (1) being mounted to the screen support (10), the screen support (10) being pivotally connected to the base (2) by means of the display screen hinge mechanism.
10. The display screen assembly according to claim 9, wherein the display screen assembly comprises a front screen housing (11), a rear screen housing (12), an upper base housing (13) and a lower base housing (14), the front screen housing (11) is abutted with the rear screen housing (12) to form a first internal space for accommodating the screen bracket (10) and the display screen main body (1), the front screen housing (11) is provided with an opening corresponding to the display screen main body (1), and the upper base housing (13) is abutted with the lower base housing (14) to form a second internal space for accommodating the base (2).
11. A display screen assembly according to claim 10, wherein a side of the base upper housing (13) adjacent the screen front housing (11) is configured with a first arcuate guide formation (15), the screen front housing (11) being configured with a first engagement formation for sliding engagement with the first arcuate guide formation (15); one side that casing (14) are close to behind the screen casing (12) under the base is constructed with second arc guide structure (16), behind the screen casing (12) be constructed with second arc guide structure (16) sliding fit's second cooperation structure.
12. A treadmill, characterized in that it comprises uprights (17), a cross-beam (18) connected between two of said uprights (17) and a display screen assembly according to any of claims 9-11, the base (2) of which is mounted to said cross-beam (18).
CN202110172514.5A 2021-02-08 2021-02-08 Display screen hinge mechanism, display screen assembly and treadmill Active CN112957715B (en)

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