CN111717128A - Screen support mechanism and seat provided with same - Google Patents

Abstract

The invention relates to a screen support mechanism and a seat provided with the same, wherein the screen support mechanism comprises: a screen locking bracket; the transfer bracket is hinged to the screen locking bracket; the switching bracket can be arranged in the fixed box body in a sliding mode in a penetrating mode; and the locking mechanism is connected with the switching support and can lock or unlock the switching support in the fixed box body. According to the technical scheme, the screen locking bracket is hinged to the switching bracket, so that a user can adjust the angle by turning over the screen locking bracket, and the user can adjust the angle conveniently according to the viewing angle; simultaneously, switching support slidable formula is worn to establish in the fixed box body of installing on the seat to through locking mechanism with switching support locking or unblock in fixed box body, so that the switching support can also be taken out in the fixed box body when lockable on fixed box body, have better user experience effect.

Description

Screen support mechanism and seat provided with same

Technical Field

The invention relates to the technical field of vehicles, in particular to a screen support mechanism and a seat with the same.

Background

In order to meet the entertainment requirements of passengers in the back row, the electronic networking products installed in the automobile are increasingly abundant, such as a multimedia entertainment large screen. In order to fix entertainment equipment such as a large screen and a computer, a screen bracket is generally installed on the back surface of a front seat. However, the conventional screen support is generally fixed at the rear side of a front seat, and the angle of the screen support is fixed, so that the angle of the screen support cannot be adjusted according to the real-time viewing angle of a user, and the comfort is poor; in addition, because the screen support is fixed, occupy the interior space of car, when the user does not watch the demand of big screen, can make the user feel the interior space of car narrow, influence user's experience effect.

Disclosure of Invention

The invention aims to provide a screen support mechanism suitable for an automobile seat, wherein the screen support mechanism is detachably connected with the seat, and meanwhile, a user can conveniently adjust the angle of the screen support mechanism according to the viewing angle, so that the screen support mechanism has a better user experience effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a screen support mechanism comprising:

a screen locking bracket;

the switching support is hinged to the screen locking support;

the switching bracket can be arranged in the fixed box body in a sliding mode in a penetrating mode; and a process for the preparation of a coating,

and the locking mechanism is connected with the switching support and can lock or unlock the switching support in the fixed box body.

Preferably, the screen support mechanism further comprises: the hinge assembly comprises a first hinge assembly, a second hinge assembly and a hinge shaft, wherein one end of the first hinge assembly is connected to the switching bracket, and the hinge shaft penetrates through the other end of the first hinge assembly; one end of the second hinged part is sleeved on the circumferential outer side of the hinged shaft and can rotate by taking the hinged shaft as the shaft, and the other end of the second hinged part is connected to the screen locking support.

Preferably, the lock screen bracket includes:

the first shell is hinged to the switching support;

one end of the first claw transversely penetrates into the first shell and can transversely move relative to the first shell;

one end of the second clamping jaw transversely penetrates into the first shell and can transversely move relative to the first shell, and the first clamping jaw and the second clamping jaw are respectively arranged on two opposite sides of the first shell in a penetrating manner; and a process for the preparation of a coating,

and one end of the third jaw longitudinally penetrates into the first shell and can longitudinally move relative to the first shell.

Preferably, a first rod shaft is axially formed in the first casing, a gear is sleeved on the outer side of the first rod shaft in the circumferential direction, and the gear can rotate around the first rod shaft; the first jaw, the second jaw and the third jaw are all meshed with the gear.

Preferably, the first shell is connected with a first cover plate, a first limit groove is formed on the side surface of the first cover plate facing the first shell, and a tightening mechanism is arranged in the first limit groove; the abutting mechanism comprises: the first rotating shaft penetrates through the first limiting groove, one end of the abutting piece is rotatably sleeved on the circumferential outer side of the first rotating shaft, a first convex part is formed at the other end of the abutting piece, and the first convex part penetrates out of the first cover plate; the first torsion spring is sleeved on the circumferential outer side of the first rotating shaft, and two end parts of the first torsion spring are respectively arranged on two opposite side walls of the first limiting groove in a penetrating mode.

Preferably, the fixed box body faces the side face of the locking mechanism is provided with a locking groove, and the locking mechanism can be clamped in the locking groove.

Preferably, the locking mechanism includes:

the lock tongue piece is rotatably connected to the switching bracket and can be clamped with the locking groove; and a process for the preparation of a coating,

the unblocking piece, the unblocking piece slidable formula is worn to locate the switching support, the one end orientation of unblocking piece the lock screen support, the other end of unblocking piece with the spring bolt spare offsets the press fit, works as the unblocking piece orientation when the lock screen support slides, the unblocking piece supports and presses the spring bolt spare, so that the spring bolt spare breaks away from the locking groove.

Preferably, the locking bolt piece comprises: the first bolt portion and the second bolt portion are symmetrically arranged at two ends of the abutting portion, and the abutting portion and the unlocking piece are abutted and press-fitted.

Preferably, the abutment portion is formed with a first slope; the unlocking part is formed with an unlocking part, a second inclined surface is formed on one side, facing the first inclined surface, of the unlocking part, and the second inclined surface is abutted and press-fitted with the first inclined surface.

A seat provided with the screen support mechanism.

Compared with the prior art, the invention has the beneficial effects that:

according to the screen support mechanism and the seat provided with the screen support mechanism, entertainment equipment such as a large screen and a computer is fixed through the screen locking support, the screen locking support is hinged to the switching support, and a user can adjust the angle through turning over the screen locking support, so that the user can adjust the angle according to the viewing angle, and the viewing comfort of the user is effectively improved; simultaneously, switching support slidable formula is worn to establish in the fixed box body of installing on the seat to through locking mechanism with switching support locking or unblock in fixed box body, so that the switching support can also be taken out in the fixed box body when can locking on fixed box body, thereby be convenient for the user to install or demolish switching support and lock screen support as required, have better user experience effect.

Drawings

Fig. 1 is a schematic view illustrating an assembly of a screen support mechanism and a seat according to an embodiment of the present invention.

Fig. 2 is a schematic view of the screen support mechanism shown in fig. 1.

Fig. 3 is a schematic view of the screen locking bracket shown in fig. 2.

Fig. 4 is a schematic view of a partial structure of the lock screen bracket shown in fig. 3.

Fig. 5 is a schematic view of a partial structure of the lock screen bracket shown in fig. 3.

Fig. 6 is a schematic view of the region a shown in fig. 5.

Fig. 7 is a schematic view of a partial structure of the screen support mechanism shown in fig. 2.

Fig. 8 is a schematic view of the hinge mechanism shown in fig. 7.

Fig. 9 is a schematic view of the stationary box shown in fig. 2.

Fig. 10 is a schematic view of another state of the stationary box shown in fig. 9.

Fig. 11 is a schematic view of the stationary box of fig. 9 from another perspective.

Fig. 12 is a schematic view of the adaptor bracket of fig. 7 from another perspective.

Fig. 13 is an exploded view of the locking mechanism of fig. 12.

Fig. 14 is a schematic view of the latch member of fig. 13.

100. A screen support mechanism;

10. a screen locking bracket; 11. a first housing; 111. a first lever shaft; 112. a gear; 113. a tightening mechanism; 1131. a first rotating shaft; 1132. an abutting piece; 1133. a first torsion spring; 1134. a first convex portion; 114. a first limit post; 115. a second limit post; 12. a first jaw; 121. a first groove; 122. a first serrated section; 123. a first guide port; 13. a second jaw; 131. a second groove; 132. a second serrated section; 133. a second guide port; 14. a third jaw; 141. a first opening; 142. a third serration segment; 15. a first cover plate; 151. a first limit groove;

20. a transfer bracket; 21. a second housing; 211. a second support; 22. an electrical device; 23. an electrical connection; 24. mounting grooves; 25. a first shaft member; 251. a second torsion spring; 26. a second shaft member; 261. a third torsion spring;

30. fixing the box body; 31. a locking groove; 32. an installation port; 33. a second cover plate; 331. a bending section; 34. a second rotating shaft; 35. a fourth torsion spring; 36. a turnover port;

40. a locking mechanism; 41. a latch member; 411. a first tongue-locking portion; 4111. a first engaging portion; 412. an abutting portion; 4121. a first inclined plane; 413. a second latch portion; 4131. a second engaging portion; 42. unlocking the lock; 421. an unlocking portion; 4211. a second inclined plane; 4212. a first support; 4213. a return spring; 422. a second opening;

50. a hinge mechanism; 51. a first hinge member; 52. a second hinge member; 53. hinging a shaft;

200. a chair.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, in which the description of the invention is given by way of illustration and not of limitation. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1 and 2, in an embodiment of the present invention, a novel screen supporting mechanism 100 is provided, and the screen supporting mechanism 100 can be installed on a seat 200 of a vehicle, and has a simple structure and good applicability.

The screen support mechanism 100 includes: the screen locking device comprises a screen locking bracket 10, a switching bracket 20, a fixed box body 30 and a locking mechanism 40, wherein the screen locking bracket 10 is used for clamping entertainment equipment such as a large screen, a computer and the like; the switching bracket 20 is hinged with the screen locking bracket 10, and a user can adjust the angle by turning over the screen locking bracket 10, so that the user can adjust the angle of the screen locking bracket 10 according to the viewing angle; the fixed box 30 is fixedly arranged on the chair 200, and the adapter bracket 20 can be slidably arranged in the fixed box 30 in a penetrating way; the locking mechanism 40 is connected to the adaptor bracket 20, and the locking mechanism 40 can lock or unlock the adaptor bracket 20 in the fixed case 30.

As can be appreciated, when the adaptor bracket 20 is inserted into the fixed box 30, the locking mechanism 40 can lock the adaptor bracket 20 in the fixed box 30; when the adapter bracket 20 needs to be taken out, the locking mechanism 40 is unlocked, so that the adapter bracket 20 can be taken out from the fixed box body 30, and the detachable connection between the adapter bracket 20 and the fixed box body 30 is realized.

Referring to fig. 3 to 6 together, the screen locking bracket 10 includes: first casing 11, first jack catch 12, second jack catch 13 and third jack catch 14.

The first housing 11 and the adaptor bracket 20 are in hinged fit, that is: the side of the first housing 11 facing the adaptor bracket 20 is hinged to the adaptor bracket 20; one end of the first claw 12 penetrates into the first housing 11 laterally, and the first claw 12 can move laterally relative to the first housing 11; one end of the second clamping jaw 13 transversely penetrates into the first shell 11, the second clamping jaw 13 can transversely move relative to the first shell 11, and the first clamping jaw 12 and the second clamping jaw 13 respectively penetrate through two opposite sides of the first shell 11; one end of the third jaw 14 penetrates longitudinally into the first housing 11 and is capable of moving longitudinally relative to the first housing 11.

It can be understood that, as shown in fig. 3, the first jaw 12 and the second jaw 13 are located at the left and right sides of the first housing 11 to transversely clamp the large screen, the computer and other entertainment equipment mounted on the screen locking bracket 10; the third claw 14 is located below the first housing 11 to longitudinally clamp the large screen, the computer and other entertainment equipment mounted on the screen locking bracket 10, so as to prevent the large screen, the computer and other equipment mounted on the screen locking bracket 10 from shaking.

A first rod shaft 111 is formed in the first housing 11 along the axial direction, and the first rod shaft 111 is located on one side of the first housing 11 facing away from the adapter bracket 20; the gear 112 is sleeved on the outer side of the circumference of the first rod shaft 111, the gear 112 can rotate by taking the first rod shaft 111 as an axis, the first jaw 12, the second jaw 13 and the third jaw 14 are engaged with the gear 112, when the third jaw 14 moves longitudinally, the gear 112 is driven to rotate, and then the gear 112 drives the first jaw 12 and the second jaw 13 to move transversely.

As shown in fig. 4 and 5, a first groove 121 is formed in an end portion of the first jaw 12 penetrating into the first housing 11, a first sawtooth section 122 is formed on an edge of the first groove 121 along a transverse direction, the first sawtooth section 122 is engaged with the gear 112, and when the gear 112 rotates clockwise, the first sawtooth section 122 can be driven to move transversely rightward; when the gear 112 rotates counterclockwise, the first saw tooth segment 122 can be driven to move laterally to the left.

In addition, a first limiting column 114 is formed in the first housing 11 along the axial direction, a first guide opening 123 is formed in the first jaw 12 along the transverse direction, and the first limiting column 114 penetrates through the first guide opening 123, so that the moving direction of the first jaw 12 is limited through the cooperation between the first limiting column 114 and the first guide opening 123, as shown in fig. 4.

As shown in fig. 4 and 5, a second groove 131 is formed at an end portion of the second jaw 13 penetrating into the first housing 11, a second sawtooth section 132 is formed at an edge of the second groove 131 along a transverse direction, the second sawtooth section 132 is engaged with the gear 112, and the first sawtooth section 122 and the second sawtooth section 132 are symmetrically disposed at two sides of the gear 112; when the gear 112 rotates clockwise, the second sawtooth section 132 can be driven to move transversely leftwards; when the gear 112 rotates counterclockwise, the second saw tooth segment 132 can be driven to move laterally to the right.

In addition, a second limiting column 115 is formed in the first housing 11 along the axial direction, a second guide opening 133 is formed in the second jaw 13 along the transverse direction, and the second limiting column 115 penetrates through the second guide opening 133 to limit the moving direction of the second jaw 13 based on the cooperative fit between the second limiting column 115 and the second guide opening 133, as shown in fig. 4.

As shown in fig. 4 and 5, a first opening 141 is formed in a port of the third jaw 14 penetrating into the first housing 11, a third sawtooth section 142 is formed on an edge of the first opening 141 along the longitudinal direction, the third sawtooth section 142 is engaged with the gear 112, and meanwhile, the gear 112 is always penetrating into the first opening 141; when the third jaw 14 is moved longitudinally by an external force, the gear 112 can be driven to rotate clockwise or counterclockwise by the third saw tooth segment 142.

In order to further prevent the large screen, the computer and other devices mounted on the lock screen bracket 10 from shaking, a tightening mechanism 113 is further mounted on the lock screen bracket 10 for tightening the large screen, the computer and other devices. A first cover plate 15 is connected to the first housing 11, and the first cover plate 15 is located on a side of the first housing 11 facing away from the adapter bracket 20; the first cover plate 15 has a first limiting groove 151 formed on a side surface facing the first housing 11, and the abutting mechanism 113 is disposed in the first limiting groove 151.

It can be understood that the number of the first limiting grooves 151 formed on the first cover plate 15 may be one or more, and the number of the abutting mechanisms 113 is the same as the number of the first limiting grooves 151.

As shown in fig. 6, the tightening mechanism 113 includes: the first rotating shaft 1131, the fastening member 1132 and the first torsion spring 1133, the first rotating shaft 1131 is disposed on the first limiting groove 151 in a penetrating manner, one end of the fastening member 1132 is rotatably sleeved on the circumferential outer side of the first rotation, the other end of the fastening member 1132 is formed with a first protrusion 1134, and the first protrusion 1134 penetrates through the first cover plate 15, as shown in fig. 3; the first torsion spring 1133 is sleeved on the circumferential outer side of the first rotating shaft 1131, two end portions of the first torsion spring 1133 are respectively inserted into two opposite side walls of the first limiting groove 151, and meanwhile, two end portions of the first torsion spring 1133 are also respectively abutted against the abutting member 1132. When the large screen, the computer, or other equipment penetrates into the side of the first cover plate 15 facing away from the first housing 11, the first protrusion 1134 is forced to move toward the first housing 11, and the fastening member 1132 is driven to rotate relative to the first rotating shaft 1131, so as to make the first torsion spring 1133 in a compressed state, and at this time, the fastening member 1132 is pressed by the elastic force formed by the compression of the first torsion spring 1133, so that the first protrusion 1134 is pressed against the large screen, the computer, or other equipment.

It can be understood that, taking the example of installing the large screen on the screen locking bracket 10, the working process of the screen locking bracket 10 is as follows:

a user penetrates the large screen from top to bottom along the side surface of the first cover plate 15 and presses against the third jaw 14, the third jaw 14 moves downwards, and at the moment, the third sawtooth section 142 moves downwards and drives the gear 112 to rotate clockwise; further, the gear 112 drives the first sawtooth section 122 to move transversely to the right, so that the first claw 12 moves transversely to the right and clamps the large screen; the gear 112 drives the second sawtooth section 132 to move transversely leftward, so that the second claw 13 moves leftward and clamps the large screen; in addition, in the process of the large screen penetrating along the first cover plate 15, the large screen and the first protrusion 1134 are in a tight state.

Referring to fig. 7 and 8, the adapting bracket 20 is hinged to the screen locking bracket 10 by a hinge mechanism 50. The hinge mechanism 50 includes: the hinge assembly comprises a first hinge member 51, a second hinge member 52 and a hinge shaft 53, wherein one end of the first hinge member 51 is connected to the transfer bracket 20, and the hinge shaft 53 penetrates through the other end of the first hinge member 51; one end of the second hinge member 52 is sleeved on the circumferential outer side of the hinge shaft 53 and can rotate by taking the hinge shaft 53 as a shaft; the other end of the second hinge member 52 is connected to the screen locking bracket 10 so that the screen locking bracket 10 can rotate with respect to the adaptor bracket 20 about the hinge shaft 53.

In addition, the transit bracket 20 includes: the lock screen support comprises a second shell 21 and an electric device 22, wherein the electric device 22 can be used for supplying power or communicating with equipment such as a large screen and a computer which are arranged on the lock screen support 10, and an electric connector 23 for supplying power and communicating is connected between the electric device 22 and the first shell 11; the electrical device 22 is fixedly mounted within the second housing 21 and the first hinge member 51 is fixedly connected to the end of the electrical device 22 adjacent the first housing 11.

Referring to fig. 9 to 11, the fixed box 30 has a mounting opening 32 and a turning opening 36, and the adaptor bracket 20 can be inserted into the mounting opening 32; a second cover 33 for covering the mounting opening 32 is mounted on the fixed box 30, and the second cover 33 can rotate relative to the fixed box 30, i.e. the second cover 33 can be turned over from the mounting opening 32 to the turning opening 36. Specifically, as shown in fig. 9, a second rotating shaft 34 is transversely installed above the fixed box 30, both transverse ends of the second cover plate 33 are formed with a bending portion 331, and one end of the bending portion 331 is sleeved on the circumferential outer side of the second rotating shaft 34. In addition, a fourth torsion spring 35 is further sleeved at the end of the second rotating shaft 34, and two ends of the fourth torsion spring 35 respectively abut against the fixed box 30 and the second cover plate 33.

It is understood that, in the initial state, the second cover plate 33 is located at the mounting opening 32, and the fourth torsion spring 35 is not compressed by force, as shown in fig. 10; when the adapter bracket 20 is inserted into the mounting opening 32, the second cover plate 33 is turned over to the turning opening 36, and the fourth torsion spring 35 is compressed and deformed under force, as shown in fig. 9; when the adaptor bracket 20 is removed from the mounting opening 32, the second cover plate 33 is gradually turned toward the mounting opening 32 by the compression of the fourth torsion spring 35.

In addition, as shown in fig. 11, a locking groove 31 is formed on a side surface of the fixed case 30 facing the locking mechanism 40, and the locking mechanism 40 can be engaged with the locking groove 31, so that the adaptor bracket 20 is locked on the fixed case 30.

Referring to fig. 12 to 14, the locking mechanism 40 includes: the locking bolt piece 41 and the unlocking piece 42, the locking bolt piece 41 can be rotatably connected to the switching bracket 20, and the locking bolt piece 41 can be matched with the locking groove 31 in a clamping way, so that the switching bracket 20 is locked in the fixed box body 30; the unlocking piece 42 can be slidably arranged on the second shell 21 in a penetrating manner, one end of the unlocking piece 42 faces the lock screen support 10, the other end of the unlocking piece 42 is abutted to the lock bolt piece 41 in a press fit manner, when the unlocking piece 42 slides towards the lock screen support 10, the unlocking piece 42 abuts to press the lock bolt piece 41, so that the lock bolt piece 41 is separated from the locking groove 31, and a user can conveniently take out the switching support 20 from the fixed box body 30.

In order to facilitate the user to pull the unlocking member 42 to unlock, a second opening 422 is formed at one end of the unlocking member 42 close to the screen locking support 10, and the user can drive the unlocking member 42 to slide through the second opening 422.

Wherein, bolt piece 41 includes: the first latch 411, the abutting portion 412 and the second latch 413, wherein the first latch 411 and the second latch 413 are symmetrically arranged at two ends of the abutting portion 412, and both the first latch 411 and the second latch 413 can be clamped with the corresponding locking grooves 31 to lock the switching bracket 20; the abutting portion 412 is press-fitted against the unlocking piece 42, and when the unlocking piece 42 slides toward the direction in which the lock screen bracket 10 is located, the unlocking piece 42 abuts against the abutting portion 412 to disengage the first locking tongue portion 411 and the second locking tongue portion 413 from the locking groove 31.

An unlocking portion 421 is formed at one end of the unlocking piece 42 close to the contact portion 412, and a second inclined surface 4211 is formed on the side surface of the unlocking portion 421 facing the contact portion 412; the abutting part 412 is provided with a first inclined surface 4121 on one side facing the unlocking part 421, and the first inclined surface 4121 is in abutting press fit with the second inclined surface 4211, so that when the unlocking part 421 slides towards the direction of the lock screen bracket 10, the second inclined surface 4211 can slide along the first inclined surface 4121; meanwhile, since the unlocking piece 42 cannot move toward or away from the locking groove 31, the locking tongue piece 41 will gradually disengage from the locking groove 31 in the process that the second inclined surface 4211 gradually presses the first inclined surface 4121, so that the adaptor bracket 20 and the fixed box body 30 are in an unlocked state.

Wherein, a mounting groove 24 is formed on one side of the second shell 21 facing the locking groove 31, the locking tongue piece 41 can be rotatably mounted in the mounting groove 24, meanwhile, a first shaft piece 25 is formed at the groove wall of the mounting groove 24 facing the first locking tongue portion 411 in an extending manner, and the axial direction of the first shaft piece 25 is perpendicular to the length direction of the first locking tongue portion 411; a first abutting portion 4111 is formed on a side surface of the first tongue-locking portion 411 facing the first shaft 25, and the first abutting portion 4111 is spaced from the first shaft 25 in parallel. A second torsion spring 251 is sleeved on the first shaft element 25, one end of the second torsion spring 251 abuts against the second housing 21, the other end of the second torsion spring 251 abuts against the first abutting portion 4111, and when the first tongue locking portion 411 is engaged with the locking groove 31, the second torsion spring 251 is in an uncompressed state; when the unlocking portion 421 disengages from the abutting portion 412 while the first tongue portion 411 is gradually disengaged from the locking groove 31, the first tongue portion 411 can be rotated in a direction away from the second housing 21 by the elastic force of the second torsion spring 251.

A second shaft 26 extends from the groove wall of the mounting groove 24 facing the second tongue-locking portion 413, and the axial direction of the second shaft 26 is perpendicular to the length direction of the second tongue-locking portion 413; a second engaging portion 4131 is formed on a side surface of the second tongue-and-groove portion 413 facing the second shaft 26, and the second engaging portion 4131 is spaced from the second shaft 26 in parallel. A third torsion spring 261 is sleeved on the second shaft element 26, one end of the third torsion spring 261 abuts against the second housing 21, the other end of the third torsion spring 261 abuts against the second abutting portion 4131, and when the second locking tongue 413 is in clamped connection with the locking groove 31, the third torsion spring 261 is in an uncompressed state; in the process that the second tongue portion 413 is gradually disengaged from the locking groove 31, the third torsion spring 261 is gradually compressed by force, and when the unlocking portion 421 is disengaged from the abutting portion 412, the second tongue portion 413 can be rotated in the direction away from the second housing 21 by the elastic force generated by the compression deformation of the third torsion spring 261.

The first support 4212 is formed by extending one side of the unlocking part 421 opposite to the groove bottom of the mounting groove 24, the second support 211 is formed on the second shell 21, the second support 211 and the first support 4212 are arranged at intervals, and the first support 4212 and the second support 211 are respectively connected to two end parts of the same return spring 4213, so that the unlocking part 42 can be automatically reset based on the elastic action of the return spring 4213. It will be appreciated that the direction of deformation of the return spring 4213 is the same as the direction of movement of the unlocking member 42.

The locking and unlocking process between the adaptor bracket 20 and the fixed box 30 provided in the above embodiments can be detailed as follows:

in the process that the user inserts the switching bracket 20 into the installation opening 32, the latch piece 41 always compresses the second torsion spring 251 and the third torsion spring 261 until the latch piece 41 slides to the position right opposite to the locking groove 31, and the latch piece 41 rotates towards the direction of the locking groove 31 and is in a clamping state with the locking groove 31 under the elastic force effect formed by the compression deformation of the second torsion spring 251 and the third torsion spring 261, so that the switching bracket 20 is locked on the fixed box body 30;

the user manually pulls the unlocking piece 42 toward the direction of the lock screen bracket 10, the unlocking portion 421 presses the abutting portion 412 of the lock tongue piece 41, the lock tongue piece 41 is separated from the locking groove 31, and at this time, the switching bracket 20 and the fixed box body 30 are in an unlocking state.

Based on the screen support mechanism 100 provided in the above embodiment, correspondingly, in an embodiment, a seat 200 provided with the screen support mechanism 100 is further provided, and the seat 200 has rich functions, is convenient for users to entertain, and can reduce the occupied space in the vehicle according to different requirements of the users.

The screen support mechanism 100 and the seat 200 provided with the screen support mechanism 100 in the above embodiments fix entertainment equipment such as a large screen and a computer through the screen locking support 10, the screen locking support 10 is hinged on the switching support 20, and a user can perform angle adjustment by turning over the screen locking support 10, so that the user can perform angle adjustment according to a viewing angle, and the viewing comfort of the user is effectively improved; meanwhile, the switching support 20 can be slidably arranged in the fixed box body 30 installed on the seat 200, and the switching support 20 is locked or unlocked in the fixed box body 30 through the locking mechanism 40, so that the switching support 20 can be locked on the fixed box body 30 and taken out of the fixed box body 30, a user can conveniently install or remove the switching support 20 and the screen locking support 10 according to requirements, and a better user experience effect is achieved.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention is not limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are within the protection scope of the present invention.

Claims (10)

1. A screen support mechanism, comprising:

a screen locking bracket (10);

the transfer bracket (20), the transfer bracket (20) is hinged to the screen locking bracket (10);

the switching bracket (20) can be arranged in the fixed box body (30) in a sliding mode in a penetrating mode; and a process for the preparation of a coating,

the locking mechanism (40) is connected to the switching bracket (20) and can lock or unlock the switching bracket (20) in the fixed box body (30).

2. The screen holder mechanism of claim 1, wherein the screen holder mechanism further comprises: the hinge assembly comprises a first hinge assembly (51), a second hinge assembly (52) and a hinge shaft (53), wherein one end of the first hinge assembly (51) is connected to the switching bracket (20), and the hinge shaft (53) is arranged at the other end of the first hinge assembly (51) in a penetrating manner; one end of the second hinge component (52) is sleeved on the circumferential outer side of the hinge shaft (53) and can rotate by taking the hinge shaft (53) as a shaft, and the other end of the second hinge component (52) is connected to the screen locking bracket (10).

3. A screen support mechanism as claimed in claim 1, wherein the lock support (10) comprises:

a first housing (11), said first housing (11) being hinged to said transit bracket (20);

a first jaw (12), one end of the first jaw (12) transversely penetrates into the first shell (11) and can transversely move relative to the first shell (11);

one end of the second clamping jaw (13) transversely penetrates into the first shell (11) and can transversely move relative to the first shell (11), and the first clamping jaw (12) and the second clamping jaw (13) are respectively arranged on two opposite sides of the first shell (11) in a penetrating manner; and a process for the preparation of a coating,

a third jaw (14), one end of the third jaw (14) longitudinally penetrates into the first shell (11) and can longitudinally move relative to the first shell (11).

4. The screen support mechanism according to claim 3, wherein a first shaft (111) is axially formed in the first housing (11), a gear (112) is sleeved on the circumferential outer side of the first shaft (111), and the gear (112) can rotate around the first shaft (111); the first jaw (12), the second jaw (13) and the third jaw (14) are all meshed with the gear (112).

5. The screen support mechanism of claim 4, wherein the first housing (11) is connected with a first cover plate (15), a first limit groove (151) is formed on the side surface of the first cover plate (15) facing the first housing (11), and a resisting mechanism (113) is arranged in the first limit groove (151);

the tightening mechanism (113) includes: the clamping device comprises a first rotating shaft (1131), a clamping piece (1132) and a first torsion spring (1133), wherein the first rotating shaft (1131) penetrates through the first limiting groove (151), one end of the clamping piece (1132) is rotatably sleeved on the circumferential outer side of the first rotating shaft (1131), a first convex part (1134) is formed at the other end of the clamping piece (1132), and the first convex part (1134) penetrates out of the first cover plate (15); the first torsion spring (1133) is sleeved on the circumferential outer side of the first rotating shaft (1131), and two end portions of the first torsion spring (1133) are respectively arranged on two opposite side walls of the first limiting groove (151) in a penetrating manner.

6. The screen support mechanism of claim 1, wherein the side of the fixed box (30) facing the locking mechanism (40) is provided with a locking groove (31), and the locking mechanism (40) can be clamped in the locking groove (31).

7. The screen support mechanism of claim 6, wherein the locking mechanism (40) comprises:

the locking tongue piece (41), the locking tongue piece (41) can be rotatably connected to the switching bracket (20) and can be clamped with the locking groove (31); and a process for the preparation of a coating,

unlocking piece (42), unlocking piece (42) slidable formula is worn to locate switching support (20), the one end orientation of unlocking piece (42) lock screen support (10), the other end of unlocking piece (42) with lock tongue piece (41) counterbalance press fit works as unlocking piece (42) orientation when lock screen support (10) slide, unlocking piece (42) support and press lock tongue piece (41), so that lock tongue piece (41) break away from locking groove (31).

8. The screen support mechanism of claim 7, wherein the latch member (41) comprises: the locking device comprises a first locking piece (411), an abutting part (412) and a second locking piece (413), wherein the first locking piece (411) and the second locking piece (413) are symmetrically arranged at two ends of the abutting part (412), and the abutting part (412) and the unlocking part (42) are in abutting press fit.

9. The screen support mechanism of claim 8, wherein the abutment (412) is formed with a first ramp (4121); the unlocking piece (42) is provided with an unlocking part (421), one side of the unlocking part (421) facing the first inclined surface (4121) is provided with a second inclined surface (4211), and the second inclined surface (4211) is pressed against the first inclined surface (4121).

10. A chair provided with a screen support mechanism as claimed in any one of claims 1 to 9.

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