CN212510255U

CN212510255U - Four-bar linkage lifting support suitable for display and electronic equipment

Info

Publication number: CN212510255U
Application number: CN202021178372.0U
Authority: CN
Inventors: 朱觉强; 李陆军; 张秀金
Original assignee: Dongguan Honglian Electronics Co ltd
Current assignee: Dongguan Honglian Electronics Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-02-09
Anticipated expiration: 2030-06-23

Abstract

The utility model discloses a four connecting rod lifting support and electronic equipment suitable for display for solve current lifting support at the in-process of oscilaltion, the required operation strength of oscilaltion all has big or small difference, leads to the relatively poor technical problem of user operation experience. The upper end part and the lower end part of the bracket body of the utility model are respectively connected with a first articulated shaft and a second articulated shaft, a four-bar linkage mechanism is positioned in the containing inner cavity, the four-bar linkage mechanism is movably connected with the first articulated shaft and the second articulated shaft, a containing box which can move along with the four-bar linkage mechanism is connected on the four-bar linkage mechanism, and a containing groove is arranged in the containing box; the fixed cover is equipped with first gear on the second articulated shaft, and the meshing has the second gear on the first gear, and the second gear rotates to be connected in the cavity, and the outside of second gear articulates there is the gangbar, and the one end that the second gear was kept away from to the gangbar articulates there is the push pedal, and the spring holding is in the storage tank, and the top of spring is contradicted with the interior roof of storage tank, and the bottom and the push pedal of spring are connected.

Description

Four-bar linkage lifting support suitable for display and electronic equipment

Technical Field

The utility model relates to a support design technical field especially relates to a four connecting rod lifting support and electronic equipment suitable for display.

Background

With the development of science and technology, flat panel displays are applied in large scale in production and life. In order to meet the requirements of consumers on the angle or the direction of the display, display supports of various models and specifications emerge on the market at present, and the use experience of people is greatly improved. In the actual use process, according to the demand of different operating modes, need often to adjust the height of display, consequently, many support products that can be used for adjusting the display height appear in the market.

Because most of the existing bracket products are provided with four-connecting-rod lifting mechanisms, the mechanisms adopt springs as supporting force. In the operation of ascending and descending, when the user operates at the initial stage, because the deformation quantity of the spring is smaller and the acting force of the spring is small at the moment, the operating force required by the user is small, when the user gradually operates to the final stage, the deformation quantity of the spring is increased, the acting force of the spring is increased, and the operating force required by the user is increased. Due to the design, the experience of a user when operating the support is obviously different, so that the experience of the user is poor.

In order to solve the above technical problems, it is an important subject of research by those skilled in the art to find a four-bar linkage lifting bracket and an electronic device suitable for a display.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model discloses four-bar linkage lifting support and electronic equipment suitable for display for solve current lifting support at the in-process of oscilaltion, the required operation strength of oscilaltion all has the size difference, leads to the relatively poor technical problem of user operation experience.

The utility model provides a four-bar linkage lifting bracket suitable for a display, which comprises a display fixing seat, a supporting seat, a four-bar linkage mechanism, a spring and a bracket body with an accommodating inner cavity;

the upper end part of the bracket body is hinged with a first hinged shaft, the lower end part of the bracket body is hinged with a second hinged shaft, the display fixing seat is hinged on the first hinged shaft, and the supporting seat is fixedly connected on the second hinged shaft;

the four-bar mechanism is positioned in the containing inner cavity and is movably connected with the first articulated shaft and the second articulated shaft, a containing box capable of moving along with the four-bar mechanism is connected onto the four-bar mechanism, and a containing groove arranged along the length direction of the bracket body is formed in the containing box;

the spring is accommodated in the accommodating groove, the top end of the spring is abutted against the inner top wall of the accommodating groove, and the bottom end of the spring is exposed out of the accommodating groove and connected with the push plate.

Optionally, the four-bar linkage comprises a first link, a second link, a first connecting plate and a second connecting plate;

the first connecting plate is fixedly sleeved on the first hinge shaft, a first pivot is arranged on the first side surface of the first connecting plate, a second pivot shaft is provided at a second side surface of the first link plate, the first pivot shaft and the second pivot shaft being centrosymmetric with respect to the first hinge shaft, the second connecting plate is fixedly sleeved on the second articulated shaft, a first side surface of the second connecting plate is provided with a third pivot, a second side surface of the second connecting plate is provided with a fourth pivot, the third pivot and the fourth pivot are centrosymmetric about the second hinge shaft, the first end of the first connecting rod is hinged on the first pivot, the second end of the first connecting rod is hinged on the third pivot, the first end of the second connecting rod is hinged to the second pivot, and the second end of the second connecting rod is hinged to the fourth pivot.

Optionally, the side of the first link rod away from the second link rod is connected with the accommodating box.

Optionally, the accommodating box is provided with a plurality of accommodating grooves for accommodating the springs along the width direction of the bracket body, and each accommodating groove is internally provided with a spring.

Optionally, a side surface of the push plate, which is far away from the spring, is connected with a guide plate, a guide groove is formed in the guide plate, a guide post is arranged in the accommodating inner cavity, and the guide post is slidably connected in the guide groove.

Optionally, a rotating seat is arranged in the accommodating inner cavity;

the second gear is rotationally connected to the rotating seat.

Optionally, a torsion spring and a fixing piece are sleeved on the first hinge shaft, and the fixing piece is fixed on the first hinge shaft;

the first end of torsional spring with display fixing base fixed connection, the second end of torsional spring with stationary blade fixed connection.

Optionally, the number of the four-bar linkages is two;

the two sets of four-bar linkage mechanisms are respectively positioned at two opposite sides of the accommodating inner cavity.

Optionally, the number of the first gears is two, the two first gears are fixedly sleeved on the second hinge shaft, the two first gears are symmetrical with each other about the center of the second hinge shaft, the second gear is meshed with each first gear, the linkage rod is hinged to the outer side of each second gear, and the two linkage rods are hinged to two opposite ends of the push plate respectively.

The utility model provides an electronic device, which comprises a display, a base and the lifting bracket;

the display is fixedly arranged on the display fixing seat of the four-connecting-rod lifting support;

the base is fixedly arranged on the supporting seat of the four-bar lifting support.

According to the technical solution provided by the utility model, the embodiment of the utility model has the following advantage:

in this embodiment, when the bracket body rotates clockwise around the second hinge shaft relative to the supporting seat, that is, when the bracket body descends, the accommodating groove and the push plate are dislocated to compress the spring, the bracket body descends downwards, the dislocated distance between the accommodating groove and the push plate is larger and larger, at this time, the second gear descends along with the bracket body and clockwise moves around the first gear, as the bracket body descends downwards, the amplitude of clockwise movement of the second gear around the first gear is larger, when the second gear clockwise moves around the first gear, the second gear drives the push plate to move (move backwards) in the direction of the second hinge shaft through the linkage rod, and then the dislocated distance between the push plate and the accommodating groove is kept in a relative balance state, through the above design, the elastic force of the spring changes along with the downward pressing force required by the bracket body, the user is when the operation support body descends, no matter how big the range that the support body descends, the required operating force of user remains unchanged all the time, and equally, when the user operation support body rose, the elasticity of spring changed along with the required ascending force of support body, and no matter how big the range that the support body rose, the required operating force of user remained unchanged equally, had strengthened user's operation experience greatly, and the user of being more convenient for operates.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without inventive exercise.

Fig. 1 is a schematic partial structural diagram of an electronic device provided in the present invention;

fig. 2 is a schematic side view of a four-bar linkage lifting bracket suitable for a display according to the present invention;

fig. 3 is a schematic structural view of an inner cavity of a four-bar linkage lifting bracket for a display according to the present invention;

fig. 4 is a schematic view of an inner structure of the accommodating cavity of the four-bar linkage lifting bracket for a display after the display fixing seat and the supporting seat are removed;

fig. 5 is a schematic structural diagram of a four-bar linkage mechanism in a four-bar linkage lifting bracket for a display provided in the present invention;

fig. 6 is a schematic structural view of a containing box in a four-bar linkage lifting bracket for a display according to the present invention;

fig. 7 is a sectional view of the internal structure of the bracket body of the lifting bracket of the present invention at a higher position;

fig. 8 is a cross-sectional view of the internal structure of the four-bar linkage elevating bracket according to the present invention when the bracket body is lowered to be perpendicular to the base;

fig. 9 is a cross-sectional view of the internal structure of the four-bar linkage elevating bracket according to the present invention when the bracket body is lowered to a lower position;

illustration of the drawings: a stent body 1; a base 2; a support base 3; a display fixing seat 4; a housing box 5; a receiving groove 501; a spring 6; a push plate 7; a linkage rod 8; a second gear 9; a first gear 10; a first link 11; a second link 12; a first connecting plate 13; a first pivot 1301; a second pivot 1302; a second connecting plate 14; a third pivot 1401; a fourth pivot 1402; a guide plate 15; a guide groove 16; a guide post 17; a first hinge shaft 18; a second hinge shaft 19; a torsion spring 20; and a fixing plate 21.

Detailed Description

In order that those skilled in the art will better understand the disclosure, the invention will be described in further detail with reference to the accompanying drawings and specific embodiments. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 2 to 9, a four-bar linkage lifting bracket for a display provided in this embodiment includes:

the display device comprises a display fixing seat 4, a supporting seat 3, a four-bar mechanism, a spring 6 and a bracket body 1 with an accommodating inner cavity;

the upper end part of the bracket body 1 is hinged with a first hinged shaft 18, the lower end part of the bracket body 1 is hinged with a second hinged shaft 19, the display fixing seat 4 is hinged on the first hinged shaft 18, and the supporting seat 3 is fixedly connected on the second hinged shaft 19;

it should be noted that the first hinge shaft 18 and the second hinge shaft 19 are both flat shafts, that is, two opposite sides of the shaft body are planes, and the other two opposite sides of the shaft body are circular arc surfaces;

the four-bar linkage mechanism is positioned in the containing cavity and is movably connected with the first articulated shaft 18 and the second articulated shaft 19, the four-bar linkage mechanism is connected with a containing box 5 which can move along with the four-bar linkage mechanism, and a containing groove 501 which is arranged along the length direction of the bracket body 1 is formed in the containing box 5;

a first gear 10 is fixedly sleeved on the second hinge shaft 19, a second gear 9 is engaged on the first gear 10, the second gear 9 is rotatably connected in the accommodating inner cavity, a linkage rod 8 is hinged on the outer side of the second gear 9, a push plate 7 is hinged on one end, away from the second gear 9, of the linkage rod 8, the spring 6 is accommodated in the accommodating groove 501, the top end of the spring 6 is abutted against the inner top wall of the accommodating groove 501, and the bottom end of the spring 6 is exposed out of the accommodating groove 501 and connected with the push plate 7.

In this embodiment, when the bracket body 1 rotates clockwise around the second hinge shaft 19 relative to the supporting seat 3, that is, when the bracket body 1 descends, the accommodating groove 501 and the push plate 7 form a dislocation to compress the spring 6, the bracket body 1 descends downwards, the dislocation distance between the accommodating groove 501 and the push plate 7 becomes larger and larger, at this time, the second gear 9 descends along with the bracket body 1 and clockwise moves around the first gear 10, the amplitude of clockwise movement of the second gear 9 around the first gear 10 becomes larger as the bracket body 1 descends downwards, when the second gear 9 clockwise moves around the first gear 10, the second gear 9 drives the push plate 7 to move (move backwards) towards the second hinge shaft 19 through the linkage rod 8, and then the dislocation distance between the push plate 7 and the accommodating groove 501 remains in a relative balance state, through the above design, the elasticity that has realized spring 6 changes along with the required power of pushing down of support body 1, the user is when operation support body 1 descends, no matter how big the range that support body 1 descends, the required operation power of user remains unchanged all the time, and likewise, when user operation support body 1 ascends, spring 6's elasticity changes along with the required power that rises of support body 1, no matter how big the range that support body 1 rises, the required operation power of user remains unchanged equally, user's operation experience has been strengthened greatly, the user of being more convenient for operates.

Further, the four-bar linkage includes a first link 11, a second link 12, a first connecting plate 13 and a second connecting plate 14;

the first connecting plate 13 is fixedly sleeved on the first hinge shaft 18, a first pivot 1301 is arranged on a first side surface of the first connecting plate 13, a second pivot 1302 is arranged on a second side surface of the first connecting plate 13, the first pivot 1301 and the second pivot 1302 are centrosymmetric about the first hinge shaft 18, the second connecting plate 14 is fixedly sleeved on the second hinge shaft 19, a third pivot 1401 is arranged on a first side surface of the second connecting plate 14, a fourth pivot 1402 is arranged on a second side surface of the second connecting plate 14, the third pivot 1401 and the fourth pivot 1402 are centrosymmetric about the second hinge shaft 19, a first end of the first connecting rod 11 is hinged on the first pivot 1301, a second end of the first connecting rod 11 is hinged on the third pivot 1401, and a first end of the second connecting rod 12 is hinged on the second pivot 1302, the second end of the second link 12 is hinged to the fourth pivot 1402.

It should be noted that a first shaft hole is formed in the center of the first connecting plate 13, wherein the first shaft hole is matched with the structure of the first hinge shaft 18, and the first connecting plate 13 is fixedly sleeved on the first hinge shaft 18 through the first shaft hole; a second shaft hole is formed in the center of second connecting plate 14, wherein the second shaft hole matches with the structure of second hinge shaft 19, second connecting plate 14 is fixedly sleeved on second hinge shaft 19 through the second shaft hole, specifically, first pivot 1301 and second pivot 1302 are centrosymmetric with respect to the first shaft hole, and third pivot 1401 and fourth pivot 1402 are centrosymmetric with respect to the second shaft hole.

Further, the side of the first link 11 away from the second link 12 is connected to the receiving box 5.

It should be noted that the accommodating box 5 in this embodiment is fixedly disposed on a side of the first connecting rod 11 away from the second connecting rod 12, specifically, a side of the accommodating box 5 is fixedly connected with the first connecting rod 11, wherein the fixed connection may be a threaded connection or the like.

Further, the accommodating box 5 is provided with a plurality of accommodating grooves 501 for accommodating the springs 6 along the width direction of the bracket body 1, and each accommodating groove 501 is internally provided with a spring 6.

It should be noted that the accommodating box 5 in this embodiment is not limited to only a single accommodating groove 501, and a plurality of accommodating grooves 501 may be formed in the accommodating box 5 to accommodate more springs 6.

Furthermore, a guide plate 15 is connected to one side surface of the push plate 7, which is far away from the spring 6, a guide groove 16 is formed in the guide plate 15, a guide post 17 is arranged in the accommodating inner cavity, and the guide post 17 is connected to the guide groove 16 in a sliding manner.

It should be noted that, through the above design, the push plate 7 can be more stable when moving back and forth, and the occurrence of the left and right displacement of the push plate 7 is effectively prevented.

Furthermore, a rotating seat is arranged in the accommodating inner cavity;

the second gear 9 is rotatably connected to the rotating base.

Furthermore, a torsion spring 20 and a fixing plate 21 are sleeved on the first hinge shaft 18, and the fixing plate 21 is fixed on the first hinge shaft 18;

the first end of the torsion spring 20 is fixedly connected with the display fixing seat 4, and the second end of the torsion spring 20 is fixedly connected with the fixing plate 21.

It should be noted that, a plurality of friction pads may be sleeved on the first hinge shaft 18 to provide sufficient torque for the monitor fixing base 4 to use.

The specific working principle of the four-bar lifting support suitable for the display in this embodiment is as follows:

referring to fig. 7 to 9, when the bracket body 1 rotates clockwise around the second hinge shaft 19 relative to the supporting seat 3, that is, when the bracket body 1 descends, the receiving groove 501 and the push plate 7 are dislocated to compress the spring 6, the bracket body 1 descends downward, and the dislocated distance between the receiving groove 501 and the push plate 7 becomes larger and larger, at this time, the second gear 9 descends along with the bracket body 1 and clockwise moves around the first gear 10, as the bracket body 1 descends downward, the amplitude of clockwise movement of the second gear 9 around the first gear 10 becomes larger, when the second gear 9 clockwise moves around the first gear 10, the second gear 9 drives the push plate 7 to move (move backward) towards the second hinge shaft 19 through the linkage rod 8, and then the dislocated distance between the push plate 7 and the receiving groove 501 is maintained in a relatively balanced state, so that the elastic force of the spring 6 changes along with the pressing force required by the bracket body 1, thereby keeping the operation force required by the user unchanged all the time;

when the support body 1 rotates counterclockwise around the second hinge shaft 19 relative to the support seat 3, that is, when the support body 1 ascends, the dislocation distance between the push plate 7 and the accommodating groove 501 becomes smaller, at this time, the second gear 9 moves counterclockwise around the first gear 10, and simultaneously, the second gear 9 drives the push plate 7 to move (move forward) toward the first hinge shaft 18 through the linkage rod 8, so that the dislocation distance between the push plate 7 and the accommodating groove 501 is kept in a relatively balanced state, thereby the elastic force of the spring 6 is changed along with the required downward pressing force of the support body 1, and further, the required operation force of a user is kept unchanged all the time.

Example two

Referring to fig. 2 to 9, the present embodiment is an improvement of the first embodiment, and includes two sets of four-bar linkages, specifically, each set of four-bar linkages is the same, and the two sets of four-bar linkages are respectively located at two opposite sides of the accommodating cavity.

It should be noted that, through the above design, the whole lifting bracket can be more stable in the lifting and descending processes.

Further, in this embodiment, the number of the first gears 10 is two, two first gears 10 are fixedly sleeved on the second hinge shaft 19, the two first gears 10 are symmetrical with each other about the center of the second hinge shaft 19, each first gear 10 is engaged with the second gear 9, the outer side of each second gear 9 is hinged with the linkage rod 8, and the two linkage rods 8 are hinged to two opposite ends of the push plate 7 respectively.

It should be noted that, through the above design, the opposite ends of the push plate 7 are stressed equally, so that the push plate 7 is more stable when moving.

EXAMPLE III

Referring to fig. 1 to 9, the embodiment extends on the basis of the first embodiment, and specifically includes a display, a base 2 and the above-mentioned lifting bracket;

wherein, the display is fixedly arranged on the display fixing seat 4 of the four-bar lifting bracket,

the base 2 is fixedly arranged on a supporting seat 3 of the four-bar lifting support;

by this design, the pitch angle and height of the display can be adjusted.

In addition, since the electronic device employs the four-bar lifting bracket, the force applied by the user is not changed regardless of the lifting or lowering amplitude when the user operates the display of the electronic device to lift or lower.

It is right above the utility model provides a four connecting rod lifting support and electronic equipment suitable for display have carried out detailed introduction, to the general technical personnel in this field, according to the utility model discloses the thought all has the change part on concrete implementation and application scope, to sum up, this description content should not be understood as right the utility model discloses a restriction.

Claims

1. A four-bar lifting support suitable for a display is characterized by comprising a display fixing seat (4), a supporting seat (3), a four-bar mechanism, a spring (6) and a support body (1) with an accommodating inner cavity;

the upper end part of the bracket body (1) is hinged with a first hinged shaft (18), the lower end part of the bracket body (1) is hinged with a second hinged shaft (19), the display fixing seat (4) is hinged on the first hinged shaft (18), and the supporting seat (3) is fixedly connected on the second hinged shaft (19);

the four-bar mechanism is positioned in the containing inner cavity and is movably connected with the first articulated shaft (18) and the second articulated shaft (19), the four-bar mechanism is connected with a containing box (5) capable of moving along with the four-bar mechanism, and a containing groove (501) arranged along the length direction of the support body (1) is formed in the containing box (5);

the second articulated shaft (19) is fixedly sleeved with a first gear (10), the first gear (10) is engaged with a second gear (9), the second gear (9) is rotatably connected in the accommodating inner cavity, the outer side of the second gear (9) is hinged with a linkage rod (8), one end, away from the second gear (9), of the linkage rod (8) is hinged with a push plate (7), the spring (6) is accommodated in the accommodating groove (501), the top end of the spring (6) is abutted to the inner top wall of the accommodating groove (501), and the bottom end of the spring (6) is exposed in the accommodating groove (501) and connected with the push plate (7).

2. The four-bar linkage lifting bracket for a display according to claim 1, wherein the four-bar linkage comprises a first bar (11), a second bar (12), a first connecting plate (13) and a second connecting plate (14);

the first connecting plate (13) is fixedly sleeved on the first hinge shaft (18), a first pivot (1301) is arranged on a first side surface of the first connecting plate (13), a second pivot (1302) is arranged on a second side surface of the first connecting plate (13), the first pivot (1301) and the second pivot (1302) are centrosymmetric about the first hinge shaft (18), the second connecting plate (14) is fixedly sleeved on the second hinge shaft (19), a third pivot (1401) is arranged on the first side surface of the second connecting plate (14), a fourth pivot (1402) is arranged on the second side surface of the second connecting plate (14), the third pivot (1401) and the fourth pivot (1402) are centrosymmetric about the second hinge shaft (19), and a first end of the first connecting rod (11) is hinged on the first pivot (1301), the second end of the first connecting rod (11) is hinged on the third pivot (1401), the first end of the second connecting rod (12) is hinged on the second pivot (1302), and the second end of the second connecting rod (12) is hinged on the fourth pivot (1402).

3. The four-bar linkage lifting bracket for a display according to claim 2, wherein the side of the first linkage (11) remote from the second linkage (12) is connected to the receiving box (5).

4. The four-bar linkage lifting bracket suitable for the display according to claim 3, wherein the accommodating box (5) is provided with a plurality of accommodating grooves (501) for accommodating the springs (6) along the width direction of the bracket body (1), and each accommodating groove (501) is internally provided with a spring (6).

5. The four-bar lifting support suitable for the display according to claim 1, wherein a guide plate (15) is connected to one side surface of the push plate (7) far away from the spring (6), a guide groove (16) is formed in the guide plate (15), a guide post (17) is arranged in the accommodating inner cavity, and the guide post (17) is slidably connected in the guide groove (16).

6. The four-bar linkage lifting bracket suitable for a display according to claim 1, wherein a rotating seat is arranged in the accommodating inner cavity;

the second gear (9) is rotatably connected to the rotating seat.

7. The four-bar lifting bracket for a monitor according to claim 1, wherein the first hinge shaft (18) is sleeved with a torsion spring (20) and a fixing plate (21), and the fixing plate (21) is fixed on the first hinge shaft (18);

the first end of torsional spring (20) with display fixing base (4) fixed connection, the second end of torsional spring (20) with stationary blade (21) fixed connection.

8. The four-bar lifting bracket for a display of claim 2, wherein the four-bar linkage is two in number;

9. The four-bar lifting support for displays according to claim 1, characterized in that the number of the first gears (10) is two, two of the first gears (10) are fixedly sleeved on the second hinge shaft (19), the two first gears (10) are symmetrical to each other about the center of the second hinge shaft (19), each first gear (10) is engaged with the second gear (9), the outer side of each second gear (9) is hinged with the linkage rod (8), and the two linkage rods (8) are respectively hinged at two opposite ends of the push plate (7).

10. An electronic device comprising a display, a base (2) and the four-bar linkage lifting bracket of any one of claims 1 to 9;

the display is fixedly arranged on a display fixing seat (4) of the four-connecting-rod lifting support;

the base (2) is fixedly arranged on the supporting seat (3) of the four-bar lifting support.