CN114115452B

CN114115452B - Notebook computer

Info

Publication number: CN114115452B
Application number: CN202111163467.4A
Authority: CN
Inventors: 李匡
Original assignee: Honor Device Co Ltd
Current assignee: Honor Device Co Ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2023-09-19
Anticipated expiration: 2041-09-30
Also published as: CN114115452A

Abstract

The embodiment of the application provides a notebook computer, which aims to solve the problems that the height of a foot pad of the notebook computer is not proper and the appearance is affected by the exposure of an air outlet. The notebook computer is provided with a telescopic movable foot pad and an air outlet cover positioned in the air outlet, a pivot rotating shaft connected with the main machine shell is in transmission connection with the movable foot pad through a telescopic mechanism and is in transmission connection with the air outlet cover through a first transmission device, when the display screen is turned to a first position, the pivot rotating shaft rotates to drive the movable foot pad to extend out of the heightened main machine shell and drive the air outlet cover to rotate to open the air outlet, and when the display screen is turned to a second position, the pivot rotating shaft rotates to drive the movable foot pad to shrink and drive the air outlet cover to rotate to close the air outlet. So, the movable foot pad can stretch out and draw back for notebook computer not only can have portability, can also raise the host computer in order to realize the heat dissipation. The air outlet can be opened and closed, so that the influence on the attractiveness of the notebook computer caused by the fact that the air outlet is always exposed is avoided.

Description

Notebook computer

Technical Field

The embodiment of the application relates to the technical field of terminals, in particular to a notebook computer.

Background

Compared with a desktop computer, a notebook computer (Laptop) has the advantages of light weight and portability, and brings great convenience to the work and life of people. A fan and a heating element are arranged in a main casing of the existing notebook computer, an air inlet and an air outlet are arranged on the main casing, the fan drives air in the external environment to enter the main casing from the air inlet, and the air flows through the heating element to take away heat and flows out from the air outlet, so that good heat dissipation is achieved. The air inlet is usually disposed on the bottom wall of the main casing, and the air outlet is usually disposed on the side wall of the main casing.

The foot pad is further arranged on the bottom wall of the main machine shell in a protruding mode, when the notebook computer is placed on the table, the foot pad is used for lifting the notebook computer, a certain distance is reserved between the notebook computer and the table top, the air inlet is prevented from being blocked, and then air in the external environment can be guaranteed to flow into the air inlet.

However, when the height of the foot pad is smaller, the air inlet quantity is small, and the heat dissipation performance of the notebook computer is affected; when the height of the foot pad is larger, the portability of the notebook computer is affected. Meanwhile, the air outlet is exposed to the outside, and the attractiveness of the notebook computer is affected.

Disclosure of Invention

The embodiment of the application provides a notebook computer, which can solve the problems that the height of a foot pad of the notebook computer in the prior art is not proper and the appearance is affected by the exposure of an air outlet.

The embodiment of the application provides a notebook computer, which comprises: the device comprises a main machine shell, a display screen, an air outlet cover, a movable foot pad, a first transmission device and a telescopic mechanism;

the main machine shell is internally provided with a containing cavity, and the bottom surface of the main machine shell is provided with a through hole communicated with the containing cavity;

one end of the display screen is rotationally connected with the main machine shell through a pin-joint rotating shaft, and an air outlet is arranged on the side wall of one side of the main machine shell rotationally connected with the display screen;

the air outlet cover is positioned in the air outlet and is rotationally connected with the main machine shell through a connecting shaft so as to open and close the air outlet;

the movable foot pad is arranged in the through hole in a telescopic penetrating way;

the first transmission device and the telescopic mechanism are both arranged in the accommodating cavity, the pivoting rotating shaft is in transmission connection with the connecting shaft through the first transmission device, and the pivoting rotating shaft is in transmission connection with the movable foot pad through the telescopic mechanism;

in the process that the other end of the display screen is far away from the main machine shell and is turned to a first position, one end of the movable foot pad moves outwards away from the main machine shell; until the display screen is turned over to the first position, the air outlet cover rotates to enable the air outlet to be opened, and one end, provided with the air outlet, of the main machine shell is padded by the movable foot pad;

In the process that the other end of the display screen is turned to a second position towards the main machine shell, one end of the movable foot pad moves inwards towards the main machine shell; and the air outlet cover rotates to enable the air outlet to be closed until the display screen is turned to the second position.

The notebook computer provided by the embodiment of the application is provided with the telescopic movable foot pad and the air outlet cover positioned in the air outlet, the pivot rotating shaft connected with the display screen and the host shell is in transmission connection with the movable foot pad through the telescopic mechanism, and the pivot rotating shaft is also in transmission connection with the air outlet cover through the first transmission device, so that when the display screen is turned over to a first position, the pivot rotating shaft can drive the movable foot pad to extend to the pad height of the notebook computer and drive the air outlet cover to rotate to open the air outlet, and when the display screen is turned over to a second position, the pivot rotating shaft can drive the movable foot pad to shrink and drive the air outlet cover to rotate to close the air outlet. Therefore, the movable foot pad can stretch and retract according to the using state of the notebook computer so as to pad the notebook computer to a proper height, so that the notebook computer not only has portability, but also can be lifted to realize heat dissipation when in use. And the air outlet cover can rotate according to the using state of the notebook computer so as to close the air outlet when the display screen is covered, and the air outlet is prevented from being exposed to the outside to influence the attractiveness of the notebook computer. In addition, the display screen and the movable foot pad and the air outlet cover can be linked.

In one possible embodiment, the telescopic mechanism comprises a second transmission device and a lifting assembly, wherein the lifting assembly comprises a rotary shaft and a nut, and the rotary shaft extends along the vertical direction and is rotatably connected with the main machine shell;

the first section of the rotating shaft is sleeved with a transmission part, the second section of the rotating shaft is provided with a screw thread, the nut is sleeved on the second section and matched with the screw thread, and the nut is fixedly connected with the movable foot pad; the pivot rotating shaft is in transmission connection with the transmission piece through the second transmission device, so that the transmission piece rotates around the axis of the rotating shaft.

In one possible embodiment, the transmission element is a transmission gear.

In one possible embodiment, the second transmission device includes a crank, a connecting rod and a first rack, one end of the crank is connected with the pivot shaft, the other end of the crank is connected with one end of the connecting rod, the other end of the connecting rod is connected with the first rack, the first rack is slidably mounted on the main casing, the first rack extends along a first horizontal direction and is in transmission engagement with the transmission gear, and the first horizontal direction is perpendicular to the axis direction of the pivot shaft.

In one possible implementation manner, the first rack is provided with a limiting hole, the limiting hole extends along the first horizontal direction, a first limiting piece is arranged on the inner wall of the main machine shell and extends into the limiting hole to limit the displacement of the first rack along the axial direction parallel to the pivot rotating shaft.

In one possible implementation manner, a second limiting piece is fixedly connected to one end of the first limiting piece, and the second limiting piece abuts against the first rack to limit the displacement of the first rack along the vertical direction.

In one possible implementation manner, a mounting plate is arranged on the inner wall of the main casing, the first limiting piece is arranged on the mounting plate in a protruding mode, and the first rack is arranged on the mounting plate in a sliding mode.

In one possible implementation manner, the first rack is provided with a first limiting part, the main casing is provided with a sliding groove, the sliding groove extends along the first horizontal direction, and the first limiting part is slidably arranged in the sliding groove.

In one possible implementation manner, the second section of the rotating shaft is located above the first section of the rotating shaft, a third limiting part is fixedly connected to one end, away from the first section, of the second section, and the nut is located between the transmission part and the third limiting part.

In one possible embodiment, the first transmission device is configured such that the pivoting rotation shaft and the connection shaft are opposite in rotation direction, and the connection shaft is disposed at an upper end of the air outlet cover.

In one possible implementation manner, the first transmission device at least comprises a first gear and a second gear, the first gear is sleeved on the pivoting rotating shaft, the second gear is sleeved on the connecting shaft, the first gear is in transmission connection with the second gear, and the rotation directions of the first gear and the second gear are opposite.

In one possible embodiment, the first transmission device further includes a third gear and a fourth gear meshed with each other, the third gear and the fourth gear are rotatably disposed on the main housing, the third gear is meshed with the first gear, and the fourth gear is meshed with the second gear.

In one possible implementation manner, the air outlet cover is a plastic air outlet cover made of plastic, or the air outlet cover is a carbon fiber air outlet cover made of carbon fiber.

In one possible implementation manner, the device further comprises a guide device installed in the accommodating cavity, the guide device comprises a protruding block, a mounting bracket and a guide column, the protruding block is fixed on the main casing, a guide groove is formed in the protruding block, the center line of the guide groove extends along the vertical direction, one end of the mounting bracket is connected with the movable foot pad, the other end of the mounting bracket is connected with the guide column, and the guide column extends along the vertical direction and slides up and down in the guide groove.

In one possible embodiment, the guide device is provided with a plurality of groups, and the mounting brackets of the guide device are integrated.

In one possible embodiment, the movable foot pad includes a fixed portion and a flexible support portion connected, the fixed portion being located above the flexible support portion.

In one possible embodiment, the cross section of the flexible support portion along the first horizontal direction gradually decreases from top to bottom, and the cross section of the flexible support portion along the vertical direction is trapezoidal.

In one possible implementation manner, the movable foot pad is provided with one, and the movable foot pad and the through hole extend from one side of the main casing to the other side of the main casing along the length direction of the notebook computer.

In one possible implementation manner, the telescopic mechanisms are provided with two groups, and two ends of the movable foot pad are respectively connected with the pivoting rotating shaft in a transmission manner through one group of telescopic mechanisms.

In one possible implementation manner, the number of the movable foot pads is two, the number of the through holes is two on the main casing, the number of the telescopic mechanisms is two, the two telescopic mechanisms are connected with the pivoting rotating shaft, and each movable foot pad corresponds to one through hole and one telescopic mechanism.

In one possible embodiment, the device further comprises a plurality of fixed foot pads, wherein the fixed foot pads are fixedly connected with the outer bottom surface of the main machine shell.

In one possible implementation, a plurality of the fixed foot pads are disposed on a side of the movable foot pad away from the pivot axis.

In a possible implementation manner, the telescopic foot pad comprises a telescopic foot pad and a linkage assembly, wherein a hole communicated with the accommodating cavity is formed in the bottom surface of the main machine shell, the telescopic foot pad is arranged in the hole in a telescopic manner in a penetrating manner, and the pivoting rotating shaft is in transmission connection with the telescopic foot pad through the telescopic mechanism and the linkage assembly;

in the process that the other end of the display screen is far away from the host shell and is turned to a first position, one end of the telescopic foot pad moves outwards away from the host shell, and when the display screen is turned to the first position, the telescopic foot pad pads the host shell; and in the process that the other end of the display screen is far away from the main machine shell and is turned to a second position, one end of the telescopic foot pad moves inwards towards the main machine shell.

In a possible implementation manner, the telescopic foot pad comprises a telescopic foot pad and a linkage support, wherein a hole communicated with the accommodating cavity is formed in the bottom surface of the main machine shell, the telescopic foot pad is arranged in the hole in a telescopic penetrating mode, one end of the linkage support is fixedly connected with the movable foot pad, and the other end of the linkage support is fixedly connected with the telescopic foot pad.

Drawings

Fig. 1 is a schematic structural diagram of a display screen in a notebook computer according to an embodiment of the present application;

fig. 2 is a schematic structural diagram of a display screen in a notebook computer according to an embodiment of the present application in a second position;

fig. 3 is a schematic structural diagram of a main casing in a notebook computer according to an embodiment of the present application;

FIG. 4 is an exploded view of a main housing of a notebook computer according to an embodiment of the present application;

fig. 5 is a schematic structural diagram of a panel of a notebook computer according to an embodiment of the present application;

fig. 6 is a schematic structural diagram of a display screen in a notebook computer according to an embodiment of the present application;

fig. 7 is a schematic structural diagram of an air outlet cover in a notebook computer according to an embodiment of the present application;

fig. 8 is a schematic structural diagram of a first notebook computer according to an embodiment of the present application, in which a part of a panel is omitted;

fig. 9 is a schematic diagram of a state change of a first notebook computer according to an embodiment of the present application;

fig. 10 is a schematic diagram of a partial structure of a first notebook computer according to an embodiment of the present application at a first view angle;

fig. 11 is a schematic diagram of a partial structure of a first notebook computer according to an embodiment of the present application at a second view angle;

Fig. 12 is a schematic structural diagram of a lifting assembly in a first notebook computer according to an embodiment of the present application;

fig. 13 is a schematic structural diagram of a rotating shaft in a first notebook computer according to an embodiment of the present application;

FIG. 14 is a schematic diagram of a portion of a second notebook computer according to an embodiment of the present application;

fig. 15 is an exploded view of a part of a second transmission device in a second notebook computer according to an embodiment of the present application;

FIG. 16 is a schematic diagram illustrating a portion of a third notebook computer according to an embodiment of the present application;

FIG. 17 is a partially exploded view of a fourth notebook computer according to an embodiment of the present application;

fig. 18 is a schematic structural view of a first rack according to an embodiment of the present application;

FIG. 19 is an exploded view of a first notebook computer with a front cover omitted according to an embodiment of the present application;

FIG. 20 is a schematic view of a movable pad in a notebook computer according to an embodiment of the present application;

fig. 21 is a schematic structural diagram of a fifth notebook computer according to an embodiment of the present application;

fig. 22 is a schematic structural diagram of a base plate in a notebook computer according to an embodiment of the present application;

fig. 23 is a schematic structural diagram of a sixth notebook computer according to an embodiment of the present application;

Fig. 24 is a schematic view illustrating a state in which a sixth notebook computer according to an embodiment of the present application is in a first position.

Reference numerals illustrate:

100. a notebook computer;

10. a display screen; 11. a connection part; 12. a pivot rotating shaft is pivoted;

20. a host; 21. a main housing; 210. a bottom plate; 2100. a through hole; 2101. an air inlet; 2102. a first limiting member; 2103. a second limiting piece; 2104. a mounting plate; 2105. a chute; 211. a face shell; 2110. a panel; 2111. a sidewall; 2112. a first shaft hole; 2113. a second shaft hole; 2114. a third shaft hole; 2115. a fourth shaft hole; 212. an air outlet;

30. a movable foot pad; 31. a fixing portion; 32. a flexible support portion;

40. an air outlet cover; 41. a connecting shaft;

50. a first transmission; 51. a first gear; 52. a second gear; 53. a speed reducing device; 530. a third gear; 531. a fourth gear;

60. a telescoping mechanism; 61. a second transmission; 6100. a crank; 6101. a connecting rod; 6102. a first rack; 6102a, limit holes; 6110. a first worm; 6111. a first worm wheel; 6112. a transmission shaft; 6113. a fifth gear; 6120. a second worm; 6121. a second worm wheel; 6122. a third worm; 6123. a rotating shaft; 62. a lifting assembly; 620. rotating the rotating shaft; 6200. a first section; 6201. a second section; 6202. a third limiting member; 621. a nut; 622. a transmission member; 63. a guide device; 630. a bump; 6300. a guide groove; 631. a mounting bracket; 632. a guide post;

70. Fixing foot pads;

80. a telescopic foot pad;

90. a linkage assembly; 91. a third transmission; 910. a connecting bracket; 911. and a second rack.

Detailed Description

As described in the background art, the notebook computer in the related art has the following problems that, firstly, the performance of the notebook computer is affected by the excessive or the too small height of the foot pad, and secondly, the air outlet is designed to be exposed to the outside in order to improve the air output of some notebook computers (such as game books) in the related art, so as to affect the aesthetic property of the notebook computer.

The first problem arises specifically because: if the height of the foot pad is set to be too small, the portability of the notebook computer in an unused state is high, but when the notebook computer is placed on a desktop for use, the height of the foot pad which can be raised is smaller, so that the air quantity which can flow into an air inlet is smaller, and the heat dissipation performance of the notebook computer is further influenced; if the height of the foot pad is too large, when the notebook computer is placed on a desktop for use, the height of the foot pad can be increased, so that more air can flow into the air inlet in the external environment, the notebook computer has good heat radiation performance, and the notebook computer is inconvenient to carry when not in use. That is, the notebook computer in the related art has difficulty in combining portability and excellent heat dissipation performance.

For this problem, researchers have found that the root cause is that the height of the foot pad is fixed, and cannot be flexibly adjusted according to the use state of the notebook computer. Based on this, researchers have come to think that designs the callus on the sole as telescopic setting on notebook computer's host computer shell, set up a telescopic machanism, telescopic machanism can drive the callus on the sole and stretch out and draw back for notebook computer can shrink in order to carry when not using the state, and notebook computer can stretch out in order to raise notebook computer when using the state.

For the second problem, researchers find through analysis that the air outlet only has an air outlet function, and the air outlet function is needed when the notebook computer is in a use state. That is, when the notebook computer is in an unused state, the air outlet can be closed without the air outlet function, so that the air outlet cannot be always exposed to the outside to influence the overall visual effect of the notebook computer. Based on this, researchers have conceived to set an air outlet cover in the air outlet, and the air outlet cover can cover the air outlet when the notebook computer is not in use, and the air outlet cover can rotate so that the air outlet is opened when the notebook computer is in use.

In summary, the notebook computer needs to have the air outlet opened and the foot pad raised in the use state, and needs to have the air outlet closed and the foot pad contracted in the non-use state. The notebook computer is switched between a use state and an unused state by rotating the display screen to open and close, so that researchers finally want to set the air outlet cover and the telescopic mechanism to be in transmission connection with the pivot rotating shaft between the display screen and the main machine shell, and when the display screen is rotated to open or close the notebook computer, the air outlet cover can move along with the pivot rotating shaft and switch between the open state and the closed state, and the telescopic mechanism can also move along with the air outlet cover and switch between the telescopic state and the telescopic state.

The implementation manner of the notebook computer provided by the embodiment of the application is explained in detail below.

Fig. 1 schematically shows a structure in which the display screen 10 is located in a first position in the notebook computer 100, and fig. 2 schematically shows a structure in which the display screen 10 is located in a second position in the notebook computer 100. Referring to fig. 1 and 2, an embodiment of the present application provides a notebook computer 100, where the notebook computer 100 includes a display 10 and a host 20, the display 10 is electrically connected to the host 20, the display 10 is used for displaying information such as images, and the host 20 is used for processing information and data.

Fig. 3 schematically shows the structure of the main casing 21, fig. 4 schematically shows the exploded structure of the main casing 21, and fig. 5 schematically shows the structure of the face casing 211. Referring to fig. 3 to 5, the host 20 includes a host casing 21 and a fan (not shown) provided inside the host casing 21, and heating elements such as an application processor (Central Processing Unit; CPU), a battery (not shown), and the like. The main housing 21 may include a panel housing 211 and a bottom plate 210, the panel housing 211 covers the bottom plate 210, the panel housing 211 may include a panel 2110 and a side wall 2111, the side wall 2111 is connected with a peripheral edge of the panel 2110 and extends downward, the bottom plate 210 is connected with a side of the side wall 2111 opposite to the panel 2110, and the panel housing 211 and the bottom plate 210 together define a housing cavity for accommodating components such as a fan and a heating element. The main housing 21 may be made of aluminum, carbon steel, or other metals, so that the main housing 21 has high strength and good structural stability.

Fig. 6 schematically shows the structure of the display screen 10. Referring to fig. 6, one end of the display screen 10 is provided with a connecting portion 11, two ends of the connecting portion 11 are provided with two pivot rotating shafts 12 in a protruding manner, the two pivot rotating shafts 12 located at two ends of the connecting portion 11 are coaxially arranged, and the two pivot rotating shafts 12 are rotatably connected with a side wall 2111 of the main casing 21, so that the display screen 10 can rotate relative to the main casing 20, and further an angle between the display screen 10 and the main casing 20 can be adjusted, so that the display screen 10 can be adjusted to a position convenient for a user to observe. The connection portion 11 may have a plate-like structure or a block-like structure.

For example, as shown in fig. 1, when the display screen 10 rotates about the pivot shaft 12 to a first position away from the main housing 21, the display screen 10 is inclined to the panel 2110 of the main housing 21, and an angle θ (0 ° < θ <180 °) is formed between the display screen 10 and the panel 2110, and at this time, the notebook computer 100 is in an on state, so that a user can view an image using the display screen 10. Where the first position is non-limiting, for example, when θ is 90 °, then the first position refers to a position of the display screen 10 perpendicular to the face plate 2110. For example, as shown in fig. 2, when the display screen 10 rotates about the pivot shaft 12 to the second position, the display screen 10 covers the main housing 21, and at this time, the user cannot view the image using the display screen 10.

As shown in fig. 4, an air inlet 2101 is further disposed on the bottom plate 210 of the main housing 21, and a side wall 2111 of the main housing 21 may be connected to a part of a circumferential edge of the panel 2110 of the main housing 21, so that an air outlet 212 is formed on the side wall 2111 of the main housing 21, and a heat dissipation flow channel (not shown) is formed between the air inlet 2101 and the air outlet 212, so as to realize heat dissipation. The air outlet 212 is formed in a side wall 2111 of the main casing 21, which is rotatably connected to the display 10.

Fig. 7 schematically shows the structure of the air outlet cover 40, and fig. 8 schematically shows the structure of the first notebook computer 100 with part of the front panel 2110 omitted. Referring to fig. 3, 7 and 8, the notebook computer 100 further includes an air outlet cover 40 and a first transmission device 50 installed in the accommodating cavity, the air outlet cover 40 is disposed in the air outlet 212, two ends of the air outlet cover 40 are convexly provided with connecting shafts 41, two connecting shafts 41 disposed at two ends of the air outlet cover 40 are coaxially disposed, and the two connecting shafts 41 are rotatably connected with the face shell 211 of the main housing 21, and the connecting shafts 41 are in transmission connection with the pivot rotating shaft 12 through the first transmission device 50. Thus, the pivot shaft 12 can drive the connecting shaft 41 to rotate, and further drive the air outlet cover 40 to rotate, so as to open or close the air outlet 212. In addition, the first transmission device 50 is specifically configured such that when the display screen 10 rotates from the first position to the second position, the connecting shaft 41 can drive the air outlet cover 40 to rotate to cover the air outlet 212, so that the air outlet 212 is closed. Therefore, when the display screen 10 is buckled and a user cannot view the image by using the display screen 10, the air outlet 212 is not exposed, so that the notebook computer 100 has good aesthetic property. Correspondingly, the first transmission device 50 is further configured to drive the air outlet cover 40 to rotate to open the air outlet 212 when the display screen 10 rotates from the second position to the first position. Thus, when the user turns on the display 10 to use the notebook computer 100, the heat generated by the heating element can be driven by the air to flow out from the air outlet 212.

The first transmission device 50 may be provided with a set, and one of the two pivoting shafts 12 is in driving connection with one of the two connecting shafts 41 through the first transmission device 50. Alternatively, the first transmission device 50 may be provided with two sets, and at this time, the two pivoting shafts 12 may be respectively connected with the two connecting shafts 41 by the first transmission device 50 in a transmission manner, so as to ensure that the power of the pivoting shafts 12 can be transmitted to the connecting shafts 41. The air outlet cover 40 may be a plastic air outlet cover made of plastic material or a carbon fiber air outlet cover made of carbon fiber. In summary, the outlet cover 40 is made of a lightweight material.

In order to achieve good heat dissipation, the notebook computer 100 of the present embodiment further includes a movable foot pad 30 and a telescopic mechanism 60 (see fig. 16 below) installed in the accommodating cavity, the bottom plate 210 of the main housing 21 is provided with a through hole 2100, the through hole 2100 is communicated with the accommodating cavity, the movable foot pad 30 is telescopically inserted into the through hole 2100, and the movable foot pad 30 is in transmission connection with the pivot shaft 12 through the telescopic mechanism 60, so that the movable foot pad 30 can move up and down in the through hole 2100 along with the movement of the pivot shaft 12.

Fig. 9 schematically shows a state change of the notebook computer 100. Specifically, as shown in fig. 9, in the process of rotating the pivot shaft 12 to rotate the display screen 10 from the second position to the first position, the telescopic mechanism 60 is configured such that one end (the bottom end in fig. 9) of the movable foot pad 30 moves downward in the through hole 2100 to be away from the main housing 21, so that one end of the movable foot pad 30 protrudes out of the accommodating cavity. Thus, when the notebook computer 100 is placed on the desktop and the display screen 10 is turned over to the first position, one end of the movable foot pad 30 can be supported on the desktop to pad the host 20, so that a certain distance is provided between the host 20 and the desktop, and air in the external environment easily flows into the air inlet 2101 from the space between the host 20 and the desktop to dissipate heat. It will be appreciated that when the display screen 10 is rotated to the first position and the display screen 10 cannot continue to rotate in a direction away from the host 20, the height of the portion of the movable foot pad 30 extending out of the accommodating cavity in the vertical direction is the largest, and the height of the host 20 to be padded up reaches the maximum height.

Correspondingly, the telescopic mechanism 60 is further configured such that, in the process of rotating the pivot shaft 12 to rotate the display screen 10 from the first position to the second position, one end of the movable foot pad 30 moves upwards in the through hole 2100 to approach the main housing 21, so that the movable foot pad 30 gradually contracts into the accommodating cavity. Thus, the notebook computer 100 has high portability. It will be appreciated that when the display screen 10 is rotated to the second position, the movable foot pad 30 may be fully retracted into the receiving cavity; alternatively, when the display screen 10 rotates to the second position, the movable foot pad 30 still has a portion extending out of the accommodating cavity, and at this time, the height of the portion of the movable foot pad 30 extending out of the accommodating cavity in the vertical direction is minimum, and the height of the host 20 that is padded up reaches the minimum height (for example, as shown in fig. 9).

In summary, the notebook computer 100 provided by the embodiment of the application is provided with the telescopic movable foot pad 30 and the air outlet cover 40 positioned in the air outlet 212, the pivot rotating shaft 12 connected with the display screen 10 and the main casing 21 is in transmission connection with the movable foot pad 30 through the telescopic mechanism 60 and in transmission connection with the air outlet cover 40 through the first transmission device 50, so that when the display screen 10 is turned to a first position, the pivot rotating shaft 12 rotates to drive the movable foot pad 30 to extend to the raised notebook computer 100 and drive the air outlet cover 40 to rotate to open the air outlet 212, and when the display screen 10 is turned to the first position, the pivot rotating shaft 12 rotates to drive the movable foot pad 30 to shrink and drive the air outlet cover 40 to rotate to close the air outlet 212. In this way, the movable foot pad 30 can stretch and retract according to the use state of the notebook computer 100 to raise the notebook computer to a proper height, so that the notebook computer 100 not only has portability, but also can be lifted to realize heat dissipation when needed; meanwhile, the air outlet cover 40 can rotate according to the use state of the notebook computer 100, so as to close the air outlet 212 when the display screen 10 is covered, and avoid the air outlet 212 from being exposed to the outside to influence the aesthetic property of the notebook computer 100. In addition, the pivot rotating shaft 12 can transmit power to the movable foot pad 30 and the air outlet cover 40 at the same time, and the display screen 10 can rotate to drive the movable foot pad 30 and the air outlet cover 40 to move at the same time, in other words, the display screen 10, the movable foot pad 30 and the air outlet cover 40 are mutually linked.

In the above embodiment, the first transmission device 50 may be configured such that the rotation direction of the pivot shaft 12 is opposite to the rotation direction of the connection shaft 41. Thus, when the display screen 10 is turned from the second position to the first position, the pivot shaft 12 rotates in the counterclockwise direction, and the connection shaft 41 and the air outlet cover 40 rotate in the clockwise direction; during the process of turning the display screen 10 from the first position to the second position, the pivot shaft 12 rotates in the clockwise direction, and the connection shaft 41 and the air outlet cover 40 rotate in the counterclockwise direction. And, a connection shaft 41 is convexly provided at an upper end of the air outlet cover 40.

In addition, it can be understood that if the first transmission device 50 is configured such that the rotation direction of the pivot shaft 12 is opposite to the rotation direction of the connecting shaft 41, and the connecting shaft 41 is disposed at the lower end or the middle of the air outlet cover 40 in a protruding manner, when the display screen 10 is turned to the first position, the air outlet cover 40 is turned clockwise into the accommodating cavity, and a portion of the air outlet cover 40 occupies the accommodating cavity and may collide with a heating element in the accommodating cavity. Or, if the first transmission device 50 is configured such that the rotation direction of the pivot shaft 12 is the same as the rotation direction of the connection shaft 41, and the connection shaft 41 is disposed at the upper end of the air outlet cover 40, in this way, during the rotation of the display screen 10 to the first position, the air outlet cover 40 will also turn over in the counterclockwise direction into the accommodating cavity, and a portion of the air outlet cover 40 occupies the accommodating cavity and may collide with the heating element in the accommodating cavity.

Or, if the first transmission device 50 is configured such that the rotation direction of the pivot shaft 12 is the same as the rotation direction of the connection shaft 41, and the connection shaft 41 is disposed at the lower end of the air outlet cover 40, when the display screen 10 is turned to the first position, the air outlet cover 40 extends from the front lower direction to the rear upper direction, and further, the hot air flowing out from the air outlet 212 can be guided out to the oblique upper direction, so that the hot air blows upward on the display screen 10, and the display screen 10 is heated and warmed to affect the working performance. The front refers to the direction of the display screen 10 facing the host 20, and the back refers to the direction of the display screen 10 facing away from the host 20.

In this embodiment, the first transmission device 50 is configured such that the rotation direction of the pivot shaft 12 is opposite to the rotation direction of the connection shaft 41, and the connection shaft 41 is convexly disposed at the upper end of the air outlet cover 40, so that if the display screen 10 is turned to the first position, on one hand, the air outlet cover 40 is turned away from the main casing 21 and the accommodating cavity in a clockwise direction to open the air outlet 212, and the air outlet cover 40 is not turned into the accommodating cavity to avoid interference with the heating element and the like in the accommodating cavity; on the other hand, when the display screen 10 is in the first position, the air outlet cover 40 extends from the front upper side to the rear lower side (for example, as shown in fig. 3), so that the hot air flowing out from the air outlet 212 can be led out obliquely downward, and the hot air cannot be blown upward on the display screen 10, thereby being beneficial to avoiding the influence on the working performance caused by heating and temperature rise of the display screen 10. That is, when the air outlet cover 40 rotates to open the air outlet 212, the air outlet cover 40 can also function as an air guide.

Fig. 10 and 11 schematically show a partial structure of a first notebook computer 100. In some possible implementations, as shown in fig. 10 and 11, the first transmission 50 may include a first gear 51 and a second gear 52, the first gear 51 is sleeved on the pivot shaft 12, the second gear 52 is sleeved on the connecting shaft 41, and the first gear 51 is meshed with the second gear 52. That is, the first transmission 50 is a gear transmission. Thus, the first transmission 50 has advantages of accurate transmission and compact structure.

As shown in fig. 5, a first shaft hole 2112 and a second shaft hole 2113 are formed in the main housing 21, the axis of the first shaft hole 2112 and the axis of the second shaft hole 2113 are arranged in a collinear manner and are parallel to a horizontal plane, two pivoting shafts 12 are rotatably inserted into the first shaft hole 2112 and the second shaft hole 2113 respectively, and one end of each pivoting shaft 12 extends into the accommodating cavity to be in transmission connection with the first gear 51; the main casing 21 may further be provided with a third shaft hole 2114 and a fourth shaft hole 2115, the axis of the third shaft hole 2114 and the axis of the fourth shaft hole 2115 are also arranged in a collinear manner and are parallel to the horizontal plane, two connecting shafts 41 are rotatably inserted into the third shaft hole 2114 and the fourth shaft hole 2115 respectively, and the two connecting shafts 41 extend into the accommodating cavity to be in transmission connection with the second gear 52.

The first transmission device 50 may further include a speed reducing device 53, where the first gear 51 is in transmission connection with the second gear 52 through the speed reducing device 53, so that the rotational speed of the connecting shaft 41 is lower than that of the pivot shaft 12, and the rotatable angle range of the air outlet cover 40 is smaller than that of the display screen 10, so as to be beneficial to ensuring that the air outlet cover 40 can perform an air guiding function when the display screen 10 is located at the first position. For example, by reasonably designing the gear ratio between the speed reducing device 53 and the first gear 51 and the second gear 52, the air outlet cover 40 may be configured to be rotatable by an angle range of 40 ° or more and 50 ° or less to guide the hot air obliquely downward as much as possible.

Illustratively, the speed reduction device 53 may include a third gear 530 and a fourth gear 531 engaged with each other, the third gear 530 and the fourth gear 531 each rotatably mounted on the main housing 21, the third gear 530 also engaged with the first gear 51, and the fourth gear 531 also engaged with the second gear 52. In the process of turning over the display screen 10 to the first position, the pivot rotating shaft 12 rotates to drive the first gear 51 to rotate, the first gear 51 drives the third gear 530 meshed with the first gear 51 to rotate, the third gear 530 drives the fourth gear 531 meshed with the third gear 530 to rotate, then the fourth gear 531 transmits power to the second gear 52, and the connecting shaft 41 rotates, so that the air outlet cover 40 finally rotates. Of course, in other examples of the present application, the reduction gear 53 may be a gear set composed of an even number of gears such as four gears or six gears, as long as the rotation directions of the first gear 51 and the second gear 52 are opposite.

It should be noted that, since the air outlet cover 40 is a light air outlet cover made of light material, the air outlet cover 40 has a light weight. Thus, when the user turns the display screen 10 to the first position, the air outlet cover 40 is at the position of opening the air outlet 212, and the air outlet cover 40 does not rotate under the action of gravity, so that the air outlet cover 40 can be kept at the position of opening the air outlet 212. Accordingly, the second gear 52 does not rotate therewith, which is advantageous in avoiding the first transmission 50 from rotating to the second position of the display screen 10, so that the display screen 10 can be maintained in the first position.

As can be seen from the foregoing description, the air outlet cover 40 is installed at a side wall 2111 of the main housing 21 connected to the display screen 10. In the example shown in fig. 8, the air outlet 212 faces the connection portion 11. Therefore, the connection portion 11 of the display screen 10 can cover the air outlet 212, so that the air outlet 212 is not exposed, and the notebook computer 100 has better overall visual effect. In this way, the air outlet 212 can be covered by the air outlet cover 40 when the display screen 10 is in the second position and not exposed outside, and can be hidden by the connection part 11 when the display screen is in the open state, so that the notebook computer 100 has a better overall visual effect no matter whether the air outlet 212 is closed or not.

The following describes a specific implementation of telescopic mechanism 60 in an embodiment of the present application with reference to the accompanying drawings.

Illustratively, the telescoping mechanism 60 may include a second gear 61 and a lifting assembly 62. Fig. 12 schematically shows the structure of the elevating assembly 62, and fig. 13 schematically shows the structure of the rotation shaft 620. As shown in fig. 10, 11, 12 and 13, the lifting assembly 62 may include a rotation shaft 620 and a nut 621, one end of the rotation shaft 620 is rotatably connected with the bottom plate 210 of the main housing 21, and a rotation axis of the rotation shaft 620 extends in a vertical direction. And, the rotation shaft 620 includes a first section 6200 and a second section 6201, the first section 6200 is provided with a transmission member 622 in a sleeved manner, the transmission member 622 is in transmission connection with the pivot rotation shaft 12 through a second transmission device 61, the second section 6201 is located above the first section 6200, a screw thread is provided on an outer surface of the second section 6201, a nut 621 is sleeved on the second section 6201 to be matched with the screw thread, and the nut 621 is in fastening connection with the movable foot pad 30. Wherein the second segment 6201 together with the nut 621 constitutes a screw drive.

In this example, the telescopic mechanism 60 operates on the following principle: when the display screen 10 is turned over, the pivot rotating shaft 12 rotates and drives the driving member 622 to rotate through the second driving device 61, the driving member 622 drives the rotating shaft 620 to rotate, and the nut 621 moves up and down due to the rotation of the second section 6201, so as to drive the movable foot pad 30 to stretch in the through hole 2100.

In one example given in the related art, the telescopic mechanism 60 includes a gear engaged with a rack, which is sleeved on the pivot shaft 12, and the rack is fastened to the movable foot pad 30. That is, the related art sets the telescopic mechanism 60 as a rack and pinion mechanism capable of converting the rotation of the pivot shaft 12 into a straight movement in a vertical direction to drive the movable floor 30 to move up and down. However, in order to prevent the movable foot pad 30 from moving up and down by itself to drive the pivot shaft 12 to rotate, an additional self-locking device is required to be designed to enable the movable foot pad 30 to be self-locked when the display screen 10 is maintained at a certain position.

In this embodiment, the telescopic mechanism 60 is configured to drive the movable foot pad 30 to move by using a screw transmission mechanism, and the screw transmission mechanism has a self-locking function. Therefore, the movable foot pad 30 can be self-locked without self-telescoping without setting a self-locking device, so that the movement of the movable foot pad 30 is avoided, and the display screen 10 is driven to move through the telescoping mechanism 60, so that the display screen 10 can be kept at any position. For example, when the display screen 10 is maintained at the first position, the movable foot pad 30 extends out of the accommodating cavity and abuts against the desktop, and at this time, the movable foot pad 30 does not move and shrink towards the inside of the main casing 21 under the gravity of the notebook computer 100, so that the movable foot pad 30 can stably support the notebook computer 100, and the display screen 10 linked with the movable foot pad 30 is advantageously prevented from rotating and cannot be maintained at the first position.

As a first possible implementation, the transmission 622 may be a transmission gear (e.g., as shown in fig. 10, 11, and 12).

For example, as shown in fig. 10 and 11, the second transmission device 61 may include a crank 6100, a connecting rod 6101, and a first rack 6102, where one end of the crank 6100 is fixedly connected to the pivot shaft 12, the other end of the crank 6100 is fixedly connected to one end of the connecting rod 6101, the other end of the connecting rod 6101 is fixedly connected to the first rack 6102, the first rack 6102 is slidably disposed on the bottom plate 210 of the main housing 21, and the first rack 6102 is meshed with the transmission gear 622. Thus, the pivot shaft 12, the crank 6100, the connecting rod 6101 and the first rack 6102 together form a crank slider mechanism, and the pivot shaft 12 rotates to drive the first rack 6102 to move, and then the transmission gear 622 meshed with the first rack 6102 rotates to enable the lifting assembly 62 to operate, so that the movable foot pad 30 stretches and contracts. It should be noted that, since the rotation axis of the pivot shaft 12 is parallel to the horizontal plane, in order to enable the slider-crank mechanism to operate, the first rack 6102 also needs to be correspondingly designed to slide along the first horizontal direction P, and the first horizontal direction P is perpendicular to the rotation axis of the pivot shaft 12.

In the present embodiment, when the rotation shaft 620 is disposed on the right side of the second transmission 61, the meshing teeth on the first rack 6102 are disposed on the right side of the first rack 6102; when the rotation shaft 620 is disposed at the left side of the second transmission 61, the meshing teeth on the first rack 6102 are disposed at the left side of the first rack 6102.

As another example, as shown in fig. 14 and 15, the second transmission device 61 may also include a first worm 6110, a first worm gear 6111, a transmission shaft 6112 and a fifth gear 6113, where the first worm 6110 is fastened to the pivot shaft 12, and the axis of the first worm 6110 is collinear with the axis of the pivot shaft 12, the transmission shaft 6112 is rotatably mounted on the bottom plate 210 of the main housing 21, and the axis of the transmission shaft 6112 extends in the vertical direction, the first worm gear 6111 is sleeved on the top end of the transmission shaft 6112, the fifth gear 6113 is sleeved on the bottom end of the transmission shaft 6112, and the fifth gear 6113 is meshed with the transmission gear 622. The first worm 6110 and the first worm gear 6111 form a worm gear structure. Fig. 14 schematically shows a partial structure of the second notebook computer 100, and fig. 15 schematically shows a partially exploded structure of the second transmission 61.

In the present embodiment, the transmission principle of the second transmission device 61 is: the pivot rotating shaft 12 rotates to drive the first worm 6110 to rotate, the first worm wheel 6111 meshed with the first worm 6110 rotates along with the first worm wheel 6110, the transmission shaft 6112 rotates around the vertical axis, so that the fifth gear 6113 sleeved on the transmission shaft 6112 rotates, then the transmission gear 622 meshed with the fifth gear 6113 rotates, and the lifting assembly 62 can operate to enable the movable foot pad 30 to stretch out and draw back.

As a second possible implementation, the transmission 622 may also be a transmission worm gear 622 (e.g., as shown in fig. 16).

Fig. 16 schematically shows a partial structure of a third notebook computer 100. As shown in fig. 16, the second transmission device 61 may also include a second worm 6120, a rotating shaft 6123, a second worm gear 6121 and a third worm 6122, wherein the second worm 6120 is fixedly connected with the pivot rotating shaft 12, the axis of the second worm 6120 is collinear with the axis of the pivot rotating shaft 12, the rotating shaft 6123 is rotatably mounted on the bottom plate 210 of the main housing 21, the axis of the rotating shaft 6123 extends along the vertical direction, the second worm gear 6121 is sleeved on the rotating shaft 6123, the third worm 6122 is arranged to extend along the direction parallel to the horizontal plane, and the third worm 6122 is simultaneously meshed with the second worm gear 6121 and the transmission worm gear 622. Thus, when the pivot rotating shaft 12 transmits power to the second worm gear 6121 through the second worm 6120, the second worm gear 6121 rotates, the third worm 6122 meshed with the second worm gear 6121 rotates, and the transmission worm gear 622 is driven to rotate, so that the lifting assembly 62 works, and the movable foot pad 30 stretches and contracts.

Wherein, as shown in fig. 16, the third worm 6122 may extend along the length direction L of the notebook computer 100, and the second worm wheel 6121 and the transmission worm wheel 622 may be respectively disposed at front and rear sides of the third worm 6122; alternatively, the third worm 6122 may extend in the width direction W of the notebook computer 100, and the second worm wheel 6121 and the transmission worm wheel 622 may be located on the same side of the third worm 6122 or disposed on the left and right sides of the third worm 6122, respectively.

In view of the above two possible implementations, it is appreciated that when the transmission member 622 is designed as a transmission gear or a transmission worm wheel, the telescopic mechanism 60 is more compact and occupies less space in the accommodating cavity.

When the transmission member 622 is a transmission gear, and the second transmission device 61 is composed of a crank 6100, a connecting rod 6101, and a first rack 6102, in order to avoid the first rack 6102 from being disengaged from the transmission gear 622, either one of the first rack 6102 and the bottom plate 210 is provided with a first stopper 2102, and the other is provided with a groove or hole that cooperates with the first stopper 2102.

In one example, as shown in fig. 17 and 18, a first limiting member 2102 may be disposed on the first rack 6102, and the bottom plate 210 of the main housing 21 may be provided with a chute 2105, where the chute 2105 extends along the first horizontal direction P, and the first limiting member 2102 is slidably disposed in the chute 2105. In this way, the mating relationship of the first stop 2102 and the chute 2105 guides the first rack 6102 to ensure that the first rack 6102 can slide in the first horizontal direction P. Also, the size of the first stopper 2102 in the width direction of the first rack 6102 may be the same as the width of the stopper hole 6102a, so that the displacement of the first rack 6102 in the width direction thereof is restricted so as not to deviate the first rack 6102 from the first horizontal direction P and not to engage with the transmission gear 622. Fig. 17 schematically shows a partially exploded structure of the fourth notebook computer 100, and fig. 18 schematically shows a structure of a first rack 6102.

In another example, as shown in fig. 19, a limiting hole 6102a may be formed in the first rack 6102, where the limiting hole 6102a extends along the length direction of the first rack 6102, that is, the limiting hole 6102a extends along the first horizontal direction P, and a first limiting member 2102 may be convexly disposed on the bottom plate 210 of the main housing 21, where the first limiting member 2102 extends into the limiting hole 6102 a. And, the first limiting member 2102 cooperates with the limiting hole 6102a to limit the displacement of the first rack 6102 in the direction parallel to the axis of the pivot shaft 12. Fig. 19 schematically shows an exploded structure of the first notebook computer 100 without the front cover 211. For example, the dimension of the first limiting member 2102 in the width direction of the first rack 6102 may be the same as the width of the limiting hole 6102a, and the first rack 6102 cannot move in a direction parallel to the axis of the pivot shaft 12 on the basis of being able to slide.

So configured, because the first limiting member 2102 is fixed, the first rack 6102 can only slide along the track of the limiting hole 6102a matched with the first limiting member 2102, so as to ensure that the first rack 6102 can slide along the first horizontal direction P in this example, and further facilitate avoiding that the first rack 6102 slides away from the first horizontal direction P and is separated from the transmission gear 622, so that the telescopic mechanism 60 can operate normally. Moreover, compared with the case where the first stopper 2102 is provided on the first rack 6102 and the chute 2105 is provided on the base 210 in the above example, the present embodiment does not require to open a slot in the base 210, which is advantageous in avoiding a decrease in the strength of the main casing 21.

When the display screen 10 rotates from the second position to the first position, the first rack 6102 moves toward the rear side of the notebook computer 100 until the first limiting member 2102 abuts against the end of the first rack 6102 away from the pivot shaft 12, and the first rack 6102 cannot move backward any more, which indicates that the portion of the movable foot pad 30 extending out of the accommodating cavity is the largest in the vertical direction, and the height of the host 20 to be padded up reaches the maximum height. When the display screen 10 rotates from the first position to the second position, the first rack 6102 moves toward the front side of the notebook computer 100 until the first limiting member 2102 abuts against one end of the first rack 6102 near the pivot rotating shaft 12, and the first rack 6102 cannot move forward any more, which indicates that the movable foot pad 30 is completely retracted into the accommodating cavity or a portion of the movable foot pad 30 extending out of the accommodating cavity is at a minimum height in the vertical direction, and the height of the host 20 is at a minimum height.

With continued reference to fig. 10, 11 and 19, the end of the first limiting member 2102 facing away from the bottom plate 210 may further be fixedly connected with a second limiting member 2103, where the second limiting member 2103 abuts against the upper surface of the first rack 6102 facing away from the bottom plate 210, so as to limit the displacement of the first rack 6102 along the vertical direction. This arrangement advantageously prevents first rack 6102 from moving in a vertical direction out of engagement with transfer gear 622, thereby allowing telescoping mechanism 60 to function properly.

In connection with the above, it will be appreciated that by designing the first and second stoppers 2102 and 2103 such that the first rack 6102 has only a degree of freedom to move in the first horizontal direction P, the first gear 51 is not disengaged from the engagement relationship with the transmission gear 622 during transportation of the notebook computer 100 or when the notebook computer 100 is bumped, so as to transmit power.

The first stopper 2102 and the second stopper 2103 are not limited in structure in this embodiment. For example, the first stopper 2102 and the second stopper 2103 may each have a columnar structure, a plate-like structure, or a block-like structure, so long as the dimension of the first stopper 2102 in the width direction of the first rack 6102 can be substantially equivalent to the width of the stopper hole 6102a, and the dimension of the second stopper 2103 in the width direction of the first rack 6102 exceeds the width of the stopper hole 6102 a.

The connection between the first limiting member 2102 and the base 210 is also not limited, as long as the first limiting member 2102 can be fastened on the base 210. For example, the first stopper 2102 may be connected to the base plate 210 by welding or bonding, or the first stopper 2102 may be connected to the base plate 210 by clamping. In fig. 4, 11 and 19, the base plate 210 may further have a mounting plate 2104 mounted thereon, the first stopper 2102 may be fixed to the mounting plate 2104, and the first rack 6102 may be slidably provided on the mounting plate 2104. By providing the mounting plate 2104, the strength of the main casing 21 is advantageously enhanced. And the mounting plate 2104 and the bottom plate 210 can be detachably connected, so that the second transmission device 61 can be detached for subsequent maintenance or replacement.

In some embodiments, as shown in fig. 10 and 11, the lifting assembly 62 further includes a third limiting member 6202, the third limiting member 6202 is fixedly connected to an end of the second section 6201 of the rotation shaft 620 remote from the first section 6200, and the nut 621 is located between the transmission member 622 and the third limiting member 6202. As such, the third stop 6202 can prevent the nut 621 from backing out of the end of the second segment 6201 to ensure proper operation of the lift assembly 62. The mounting position of the third limiting member 6202 may also be used to limit the highest movable position of the nut 621, that is, limit the telescopic range of the movable foot pad 30, so that when the display screen 10 is in the second position, the movable foot pad 30 is still at least partially located in the through hole 2100, so that the movable foot pad 30 is prevented from being completely retracted into the accommodating cavity, and it is difficult to find the through hole 2100 and extend from the through hole 2100 when the movable foot pad 30 is extended again.

The following describes the foot pad of the notebook computer 100 in detail with reference to the accompanying drawings.

It should be noted that, the movable foot pad 30 has a certain distance between the end connected to the main casing 21 and the display screen 10 in the width direction W of the notebook computer 100. That is, in the width direction W of the notebook computer 100, a certain distance is provided between the movable floor pad 30 and the air outlet 212. It has been found through experiments that when the movable foot pad 30 is disposed so as to have no gap with the air outlet 212 in the width direction W of the notebook computer 100, and when the movable foot pad 30 extends out of the accommodating chamber, the movable foot pad 30 lifts the main casing 21 by supporting the portion of the main casing 21 where the air outlet 212 is disposed, so that the distance between the air inlet 2101 and the desk top increases. In this embodiment, the movable foot pad 30 is designed to have a certain distance from the air outlet 212, and when the movable foot pad 30 extends out of the accommodating cavity, the movable foot pad 30 pads the middle part of the main casing 21 to raise the main casing 21, so that the distance between the air inlet 2101 and the desk top is directly increased.

In order to enable the movable floor mat 30 to move up and down in the vertical direction within the through-hole 2100, the notebook computer 100 may further include a guide 63, the guide 63 for guiding the moving direction of the movable floor mat 30.

In some examples, as shown in fig. 19, the guide 63 may include a protrusion 630, a mounting bracket 631 and a guide post 632, wherein the protrusion 630 is convexly disposed on the bottom plate 210 of the main housing 21, and a guide groove 6300 is disposed on the protrusion 630, a center line of the guide groove 6300 extends in a vertical direction, two ends of the mounting bracket 631 are respectively connected with the movable foot pad 30 and the guide post 632, and the guide post 632 extends in a vertical direction and moves up and down in the guide groove 6300. Thus, the mating relationship of the guide post 632 and the guide slot 6300 serves as a guide. Because the bump 630 is fixed, the guide post 632 can only move along the center line of the guide slot 6300 in the guide slot 6300, so as to avoid the movable foot pad 30 from deviating from the vertical direction when expanding and contracting.

Of course, the guide 63 may also be provided with multiple sets. By providing a plurality of sets of guides 63, the guiding action of the guides 63 on the movable foot pad 30 is enhanced. When the guides 63 are provided in plural sets, the mounting brackets 631 of each set of guides 63 may also be formed as one piece with the movable foot pad 30. In this way, the strength and reliability of the guide 63 can be advantageously improved without increasing the manufacturing cost. For example, in fig. 8 and 19, the guide 63 may be provided with two sets, and the mounting brackets 631 of the two sets of guide 63 are each rod-shaped and connected together.

Fig. 20 schematically shows the structure of the movable floor mat 30. On the basis of any of the above embodiments, as shown in fig. 20, the movable foot pad 30 may include a fixed portion 31 and a flexible support portion 32, the fixed portion 31 being located above the flexible support portion 32. Thus, when the notebook computer 100 is placed on the desktop and the movable leg pad 30 is raised up the notebook computer 100, the flexible support portion 32 of the movable leg pad 30 is in contact with the desktop, which can reduce the possibility that the leg pad scrapes the desktop and also reduce noise generated when the notebook computer 100 is moved.

The fixing portion 31 may be made of metal such as aluminum, carbon steel, etc., and the flexible supporting portion 32 may be made of elastic material such as rubber, elastic plastic, etc. Referring to fig. 10, 19 and 20, the flexible supporting portion 32 may be further configured to gradually decrease in cross section along the first horizontal direction P from top to bottom so as to reduce the size of the movable foot pad 30 as much as possible, which is advantageous in that the overall appearance of the notebook computer 100 is not affected. Specifically, the cross section of the flexible support portion 32 in the vertical direction may be trapezoidal, and thus, the bottom surface of the flexible support portion 32 is formed to be planar, so that the movable foot pad 30 contacts the table top in a surface-to-surface manner.

At least one movable foot pad 30 is provided, and the notebook computer 100 can be stably placed on the desktop without losing balance. Among these, the layout of the foot pad of the notebook computer 100 has the following various possible situations:

in the first case, as shown in fig. 8 and 19, the movable footbed 30 is provided with one. At this time, the movable foot pad 30 may be configured to extend from one side of the main body casing 21 to the other side of the main body casing 21 in the length direction of the notebook computer 100, and correspondingly, the through-hole 2100 also extends from one end of the main body casing 21 to the other end of the main body casing 21 in the length direction of the notebook computer 100. That is, the through hole 2100 is an elongated hole, and the length of the movable pad 30 is large. Thus, the movable foot pad 30 has a large contact area with the table top, so as to facilitate stable support.

It should also be noted that in this example, the telescopic mechanism 60 may be provided with a set of two pivotally connected shafts 12, one of which is connected to one end of the movable foot pad 30 via the telescopic mechanism 60. Alternatively, the telescopic mechanism 60 may be provided with two groups, and the two pivot shafts 12 are respectively connected with two ends of the movable foot pad 30 through the telescopic mechanism 60, so that the movable foot pad 30 with a larger length can stably stretch along the vertical direction.

In the second case, as shown in fig. 21, two movable footpads 30 may be provided, and corresponding through holes 2100 may be provided, with each movable footpad 30 being telescopically inserted into one through hole 2100. Fig. 21 schematically shows the structure of a fifth notebook computer 100. In this embodiment, the telescopic mechanism 60 has two groups, and two pivoting shafts 12 are respectively connected with one movable foot pad 30 through one group of telescopic mechanism 60 in a transmission manner, in other words, the pivoting shafts 12, the telescopic mechanism 60 and the movable foot pad 30 are in one-to-one correspondence. The two movable foot pads 30 may be disposed at intervals along the length direction L of the notebook computer 100, so that the supporting effect of the desktop on the notebook computer 100 is uniform, and the whole notebook computer 100 is more attractive.

Fig. 22 schematically shows the structure of the base plate 210. In addition to the above two cases, as shown in fig. 9 and 22, the notebook computer 100 may further include a plurality of fixing pads 70, and the plurality of fixing pads 70 are coupled with an outer bottom surface of the bottom plate 210 of the main casing 21. Thus, the fixed footpad 70 and the movable footpad 30 cooperate to raise and support the notebook computer 100. And, a plurality of fixed foot pads 70 are located on the side of the movable foot pad 30 away from the pivot shaft 12. In this way, on the one hand, compared with the fixed foot pad 70, the movable foot pad 30 is closer to the fixed foot pad 70, so that the distance between the movable foot pad 30 and the pivot shaft 12 is smaller along the width direction W of the notebook computer 100, which is beneficial to reducing the transmission range of the telescopic mechanism 60, so as to avoid the telescopic mechanism 60 occupying too much space.

The height of the stationary foot pad 70 is not limiting. The following description will be given by taking the example that the movable foot pad 30 still partially extends below the main casing 21 when the display screen 10 is in the second position. Wherein the height of the fixed footpad 70 may be the same as the height of the portion of the movable footpad 30 extending when the display screen 10 is in the second position. The notebook computer 100 in this embodiment can be placed horizontally on a desktop when in the second position. When the notebook computer 100 is located at the first position, the end of the main housing 21 with the air outlet 212 is raised by the movable foot pad 30, and the raised height is greater than the raised height of the fixed foot pad 70, so that the notebook computer 100 can be in a front-low and rear-high configuration (e.g. as shown in fig. 9) when the notebook computer 100 is not supported by the computer bracket in the prior art, so that the user can observe the display screen 10 conveniently.

The plurality of fixing foot pads 70 may also be disposed at intervals along the length direction L of the notebook computer 100, so that the design is more attractive for the notebook computer 100. Also, when the movable footpad 30 is provided in two, at least one of the plurality of fixed footpads 70 is installed between the two movable footpads.

Fig. 23 schematically shows the structure of the sixth notebook computer 100, and fig. 24 schematically shows the state in which the sixth notebook computer 100 is in the first position. Of course, in one possible implementation of the present application, notebook computer 100 may also utilize movable telescoping footpads 80 in place of fixed footpads 70. In this example, the bottom plate 210 may further be provided with a hole (not shown) that communicates with the accommodating cavity, and the telescopic foot pad 80 may be telescopically inserted into the hole. And, the telescopic foot pad 80 is disposed at a side of the movable foot pad 30 away from the pivot shaft 12.

The direction of movement of the telescoping footpad 80 is configured to be consistent with the direction of movement of the movable footpad 30. That is, when the display screen 10 rotates from the second position to the first position, one end of the movable foot pad 30 moves away from the main casing 21, and correspondingly, one end of the telescopic foot pad 80 also moves away from the main casing 21; when the display screen 10 rotates from the first position to the second position, one end of the movable foot pad 30 moves in a direction approaching the main casing 21, and correspondingly, one end of the telescopic foot pad 80 also moves in a direction approaching the main casing 21.

One possible example is: the notebook computer 100 may further include a linkage bracket (not shown), one end of the linkage bracket is fastened to the movable foot pad 30, and the other end of the linkage bracket is fastened to the telescopic foot pad 80, so that the telescopic foot pad 80 is fastened to the movable foot pad 30, and the telescopic foot pad 80 is linked to the movable foot pad 30. Thus, when the movable foot pad 30 stretches and contracts in the through hole 2100, the telescopic foot pad 80 can be driven to stretch and contract in the hole.

Another possible example is: in fig. 23, the notebook computer 100 may further include a linkage assembly 90. In this example, the linkage assembly 90 may also include the lifting assembly 62, and the linkage assembly 90 further includes a third transmission device 91, where the third transmission device 91 is in transmission connection with the second transmission device 61, and the third transmission device 91 is further in transmission connection with a transmission piece 622 of the lifting assembly 62, and nuts 621 of the lifting assembly 62 are fastened to the telescopic foot pad 80. In this way, in the overturning process of the display screen 10, the pivot rotating shaft 12 can rotate to drive the movable foot pad 30 to move through the telescopic mechanism 60, the second transmission device 61 can also drive the third transmission device 91 to move, and then power is transmitted to the lifting assembly 62, so that the lifting assembly 62 moves to drive the telescopic foot pad 80 to move. Compared with the direct transmission connection of the linkage assembly 90 and the pivot shaft 12, the linkage assembly 90 of the present embodiment is connected with the second transmission device 61, and the transmission distance of the linkage assembly 90 is small, which is beneficial to avoiding the linkage assembly 90 from occupying an excessive space.

For example, when the transmission member 622 is a transmission gear and the second transmission device 61 is composed of a crank 6100, a link 6101, and a first rack 6102, the third transmission device 91 may include a connection bracket 910 and a second rack 911, one end of the connection bracket 910 is fastened to the first rack 6102, the second rack 911 extends in the same direction as the first rack 6102, the second rack 911 is fastened to the other end of the connection bracket 910, and the second rack 911 is meshed with the transmission gear 622. Thus, when the display screen 10 rotates from the second position to the first position, the pivot shaft 12 rotates and drives the first rack 6102 to move, the transmission gear 622 meshed with the first rack 6102 rotates, so that the movable foot pad 30 extends away from the main housing 21; at the same time, the second rack 911 fastened to the first rack 6102 also moves, so that the transmission gear 622 engaged with the second rack 911 rotates, and the telescopic foot pad 80 also protrudes in a direction away from the main casing 21.

The structure of the telescopic foot pad 80 may be similar to that of the movable foot pad 30, and will not be described again. In fig. 23, one telescopic foot pad 80 may be provided, and the telescopic foot pad 80 is configured to extend from one side of the main casing 21 to the other side of the main casing 21 along the length direction of the notebook computer 100, and at this time, two ends of the telescopic foot pad 80 may be connected to a telescopic mechanism 60 through a set of linkage assemblies 90. Alternatively, two telescopic foot pads 80 may be provided, and correspondingly, two holes are provided, each telescopic foot pad 80 is telescopically inserted into one hole, and the two telescopic foot pads 80 are respectively connected with a telescopic mechanism 60 through a group of linkage assemblies 90.

The amount of expansion of the expansion foot pad 80 in the hole may or may not be the same as the amount of expansion of the movable foot pad 30 in the through hole 2100. It should be further noted that, when the display screen 10 is in the first position, the height of the portion of the movable foot pad 30 extending out of the accommodating cavity in the vertical direction may be the same as or different from the height of the portion of the telescopic foot pad 80 extending out of the accommodating cavity in the vertical direction. In fig. 24, if the height of the portion of the movable leg pad 30 extending out of the accommodating chamber is the same as that of the portion of the telescopic leg pad 80 extending out of the accommodating chamber in the vertical direction, the bottom plate 210 is parallel to the desktop when the notebook computer 100 is placed on the desktop. Also, in this example, if the display screen 10 is located at the second position, the movable foot pad 30 is completely retracted in the accommodating cavity, and correspondingly, the telescopic foot pad 80 is also completely retracted in the accommodating cavity, so that the notebook computer 100 can have higher portability when not in use.

If the height of the portion of the movable foot pad 30 extending out of the accommodating cavity is different from the height of the portion of the telescopic foot pad 80 extending out of the accommodating cavity, the extending portion of the movable foot pad 30 may be higher than the extending portion of the telescopic foot pad 80, so that when the display screen 10 is located at the first position, the notebook computer 100 may be in a front low and rear high configuration, so that a user can observe the display screen 10 conveniently.

In describing embodiments of the present application, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "coupled" should be construed broadly, and may be, for example, fixedly coupled, indirectly coupled through an intermediary, in communication between two elements, or in an interaction relationship between two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

The embodiments of the application may be implemented or realized in any number of ways, including as a matter of course, such that the apparatus or elements recited in the claims are not necessarily oriented or configured to operate in any particular manner. In the description of the embodiments of the present application, the meaning of "a plurality" is two or more unless specifically stated otherwise.

The terms first, second, third, fourth and the like in the description and in the claims and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

The term "plurality" herein refers to two or more. The term "and/or" is herein merely an association relationship describing an associated object, meaning that there may be three relationships, e.g., a and/or B, may represent: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship; in the formula, the character "/" indicates that the front and rear associated objects are a "division" relationship.

Claims

1. A notebook computer, comprising:

the display screen is rotatably connected with the main machine shell through the pivot rotating shafts, an air outlet is formed in the side wall of one side, which is rotatably connected with the display screen, of the main machine shell, and the air outlet is opposite to the connecting part;

the air outlet cover is positioned in the air outlet and is rotationally connected with the main machine shell through a connecting shaft and used for opening and closing the air outlet; the connecting shaft is convexly arranged at the upper end of the air outlet cover;

The movable foot pad is arranged in the through hole in a telescopic penetrating manner;

the first transmission device and the telescopic mechanism are arranged in the accommodating cavity, the pivoting rotating shaft is in transmission connection with the connecting shaft through the first transmission device, the first transmission device is configured to enable the rotating direction of the pivoting rotating shaft to be opposite to the rotating direction of the connecting shaft, and the pivoting rotating shaft is in transmission connection with the movable foot pad through the telescopic mechanism;

the telescopic mechanism comprises a second transmission device and a lifting assembly, the lifting assembly comprises a rotary rotating shaft and a nut, and the rotary rotating shaft extends along the vertical direction and is rotatably connected with the main machine shell;

the first section of the rotating shaft is sleeved with a transmission part, the second section of the rotating shaft is provided with a screw thread, the nut is sleeved on the second section and matched with the screw thread, and the nut is fixedly connected with the movable foot pad; the pivot rotating shaft is in transmission connection with the transmission piece through the second transmission device so as to enable the transmission piece to rotate around the axis of the rotating shaft;

in the process that the other end of the display screen is far away from the main machine shell and is turned to a first position, one end of the movable foot pad moves outwards away from the main machine shell, and the air outlet cover rotates to enable the air outlet to be opened;

In the process that the other end of the display screen is turned to the second position towards the main machine shell, one end of the movable foot pad moves inwards towards the main machine shell, and the air outlet cover rotates to enable the air outlet to be closed.

2. The notebook computer of claim 1, wherein the transmission member is a transmission gear.

3. The notebook computer of claim 2, wherein the second transmission device comprises a crank, a connecting rod and a first rack, one end of the crank is connected with the pivoting rotating shaft, the other end of the crank is connected with one end of the connecting rod, the other end of the connecting rod is connected with the first rack, the first rack is slidably mounted on the main casing, the first rack extends along a first horizontal direction and is in transmission engagement with the transmission gear, and the first horizontal direction is perpendicular to the axis direction of the pivoting rotating shaft.

4. The notebook computer of claim 3, wherein the first rack is provided with a limiting hole, the limiting hole extends along the first horizontal direction, a first limiting piece is arranged on the inner wall of the main machine shell, and the first limiting piece stretches into the limiting hole to limit the displacement of the first rack along the axial direction parallel to the pivot rotating shaft.

5. The notebook computer of claim 4, wherein a second limiting member is fixedly connected to one end of the first limiting member, and the second limiting member abuts against the first rack to limit displacement of the first rack in the vertical direction.

6. The notebook computer of claim 4 or 5, wherein a mounting plate is provided on an inner wall of the main case, the first stopper is provided on the mounting plate in a protruding manner, and the first rack is provided on the mounting plate in a sliding manner.

7. The notebook computer of claim 3, wherein the first rack is provided with a first limiting member, the main casing is provided with a chute, the chute extends along the first horizontal direction, and the first limiting member is slidably disposed in the chute.

8. The notebook computer of any one of claims 1 to 7, wherein the second section of the rotating shaft is located above the first section of the rotating shaft, a third limiting member is fixedly connected to an end of the second section, which is far away from the first section, and the nut is located between the transmission member and the third limiting member.

9. The notebook computer according to any one of claims 1 to 8, wherein the first transmission device is configured such that a rotation direction of the pivoting shaft is opposite to a rotation direction of the connection shaft, and the connection shaft is disposed at an upper end of the air outlet cover.

10. The notebook computer of claim 9, wherein the first transmission device comprises at least a first gear and a second gear, the first gear is sleeved on the pivot shaft, the second gear is sleeved on the connecting shaft, the first gear is in transmission connection with the second gear, and the rotation directions of the first gear and the second gear are opposite.

11. The notebook computer of claim 10, wherein the first transmission further comprises a third gear and a fourth gear engaged with each other, the third gear and the fourth gear rotatably disposed on the main housing, the third gear engaged with the first gear, and the fourth gear engaged with the second gear.

12. The notebook computer of any one of claims 1 to 11, wherein the air outlet cover is a plastic air outlet cover made of plastic, or the air outlet cover is a carbon fiber air outlet cover made of carbon fiber.

13. The notebook computer according to any one of claims 1 to 12, further comprising a guide device installed in the accommodating cavity, wherein the guide device comprises a projection, a mounting bracket and a guide post, the projection is fixed on the main casing, a guide groove is formed in the projection, a center line of the guide groove extends in a vertical direction, one end of the mounting bracket is connected with the movable foot pad, the other end of the mounting bracket is connected with the guide post, and the guide post extends in the vertical direction and slides up and down in the guide groove.

14. The notebook computer of claim 13, wherein the guide means is provided in a plurality of groups, and wherein the mounting brackets of the plurality of groups of the guide means are integrally formed.

15. A notebook computer according to any one of claims 1 to 14, wherein the movable footpad comprises a fixed portion and a flexible support portion connected, the fixed portion being located above the flexible support portion.

16. The notebook computer of claim 15, wherein a cross section of the flexible support portion in a first horizontal direction is gradually reduced from top to bottom, and a cross section of the flexible support portion in a vertical direction is trapezoidal.

17. A notebook computer according to any one of claims 1 to 16, wherein the movable foot pad is provided with one, and the movable foot pad and the through hole each extend from one side of the main casing to the other side of the main casing along a length direction of the notebook computer.

18. The notebook computer of claim 17, wherein the telescopic mechanism is provided with two groups, and two ends of the movable foot pad are respectively connected with the pivoting rotating shaft in a transmission way through one group of telescopic mechanisms.

19. The notebook computer according to any one of claims 1 to 16, wherein two movable foot pads are provided, two through holes are provided in the main casing, two groups of telescopic mechanisms are provided, the two groups of telescopic mechanisms are connected with the pivot shaft, and each movable foot pad corresponds to one through hole and one group of telescopic mechanism.

20. The notebook computer of any one of claims 1 to 19, further comprising a plurality of stationary footpads, the stationary footpads being fixedly attached to an outer bottom surface of the main chassis.

21. The notebook computer of claim 20, wherein a plurality of the fixed footpads are disposed on a side of the movable footpad away from the pivot axis.

22. The notebook computer according to any one of claims 1 to 19, further comprising a telescopic foot pad and a linkage assembly, wherein a hole communicated with the accommodating cavity is formed in the bottom surface of the main machine shell, the telescopic foot pad is arranged in the hole in a telescopic manner, and the pivoting rotating shaft is in transmission connection with the telescopic foot pad through the telescopic mechanism and the linkage assembly;

in the process that the other end of the display screen is far away from the host shell and is turned to a first position, one end of the telescopic foot pad moves outwards away from the host shell, and when the display screen is turned to the first position, the telescopic foot pad pads the host shell;

And in the process that the other end of the display screen is far away from the main machine shell and is turned to a second position, one end of the telescopic foot pad moves inwards towards the main machine shell.

23. The notebook computer of any one of claims 1 to 19, further comprising a telescopic foot pad and a linkage support, wherein a hole communicated with the accommodating cavity is formed in the bottom surface of the main casing, the telescopic foot pad is arranged in the hole in a telescopic penetrating mode, one end of the linkage support is fixedly connected with the movable foot pad, and the other end of the linkage support is fixedly connected with the telescopic foot pad.