CN112114635A - Telescopic hot air backflow shielding device and electronic equipment - Google Patents
Telescopic hot air backflow shielding device and electronic equipment Download PDFInfo
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- CN112114635A CN112114635A CN201910533643.5A CN201910533643A CN112114635A CN 112114635 A CN112114635 A CN 112114635A CN 201910533643 A CN201910533643 A CN 201910533643A CN 112114635 A CN112114635 A CN 112114635A
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/16—Constructional details or arrangements
- G06F1/20—Cooling means
- G06F1/203—Cooling means for portable computers, e.g. for laptops
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2200/00—Indexing scheme relating to G06F1/04 - G06F1/32
- G06F2200/20—Indexing scheme relating to G06F1/20
- G06F2200/203—Heat conductive hinge
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Abstract
The embodiment of the application provides a retractable keeps off hot-blast reflux unit and electronic equipment. The device is applied to electronic equipment, and the electronic equipment comprises: the first body is connected with the second body through the hinge; the hinge is configured to rotate as the first body rotates when the first body rotates relative to the second body; the device comprises a wind-break wall; the lever comprises a first end and a second end, the first end is arranged above the hinge, and the second end is arranged above the wind-break wall; the elastic piece supports the wind-break wall along the first direction and is contained in the second main body; when the first main body rotates relative to the second main body, the hinge applies acting force to the second end of the lever to drive the lever to rotate around the supporting point, and the second end of the lever applies force to the wind-break wall along the second direction to enable the wind-break wall to protrude from the second main body along the second direction.
Description
Technical Field
The application relates to the technical field of computers, in particular to a telescopic hot air backflow blocking device and electronic equipment.
Background
With the rapid improvement of the notebook performance, the heat dissipation performance of the notebook computer is greatly challenged. At present, the notebook is light and thin and fashionable in appearance, the appearance is affected if a heat dissipation device is added, hot air is prevented from flowing back from a rear shell air inlet by adopting long foot pads on the market, and the heat dissipation scheme is poor in heat dissipation performance. Therefore, a new notebook heat dissipation scheme is urgently needed to provide the heat dissipation performance of the notebook.
Disclosure of Invention
In order to overcome the above problems, embodiments of the present application provide a retractable hot wind backflow prevention device and an electronic apparatus.
In a first aspect, an embodiment of the present application provides a retractable hot air backflow blocking device, where the retractable hot air backflow blocking device is applied to an electronic device, and the electronic device includes: the hinge comprises a first body, a second body and a hinge, wherein the first body is connected with the second body through the hinge; the hinge is configured to rotate as the first body rotates when the first body rotates relative to the second body; the device comprises: a wind-break wall; a lever including a first end and a second end, the first end disposed above the hinge and the second end disposed above the wind-break wall; the elastic piece supports the wind-break wall along a first direction and is contained in the second main body; when the first body rotates relative to the second body, the hinge applies acting force to the first end of the lever to drive the lever to rotate around a supporting point, and the second end of the lever applies force to the wind-break wall along a second direction to enable the wind-break wall to protrude from the second body along the second direction; the first direction and the second direction are opposite and both perpendicular to the plane of the second body.
In another possible implementation, one end of the hinge is provided with a first stopper, the first stopper comprises a first edge, and the first edge is perpendicular to the rotation axis of the hinge; when the first body and the second body are attached, the first edge is parallel to the plane of the second body; the first edge is perpendicular to a plane of the second body when the first body is opened with respect to the second body.
In another possible implementation, the wind-break wall includes a first member, a second member, and a third member, the third member being a main body of the wind-break wall, the second member fixedly connecting the first member and the third member; the first member causes the third member to protrude and be received from the second body by the combined action of the lever and the elastic member.
In another possible implementation, the method further includes: the supporting piece is provided with a limiting groove; the supporting piece is arranged on the bottom surface in the second main body, and the direction of the limiting groove is parallel to the first direction.
In another possible implementation, a limiting ridge is arranged on the wind-shielding wall, and the limiting ridge is embedded into the limiting groove, so that the wind-shielding wall moves along the first direction.
In another possible implementation, the support comprises a fourth member disposed on the bottom surface inside the second body and a fifth member connected to the fourth member and parallel to the first direction; wherein the stopper groove is provided on the fifth member.
In another possible implementation, the method further includes: a lever pivot; the lever pivot is arranged on the support part, the direction of the lever pivot is parallel to that of the hinge, and the lever pivot is used for embedding the lever into the lever pivot.
In another possible implementation, the resilient member comprises a spring.
In another possible implementation, a lower surface of the first member close to the inner bottom surface of the second body is provided with a first groove, and an upper surface of the fourth member close to the first member is provided with a second groove; the first groove and the second groove are used for fixing two ends of the spring.
In another possible implementation, a central axis between the first groove and the second groove is parallel to the first direction.
In another possible implementation, the elastic member includes a spring plate.
In another possible implementation, the elastic member includes a first magnet and a second magnet, the first magnet is fixed on a lower surface of the first member close to the inner bottom surface of the second body, the second magnet is fixed on an upper surface of the fourth member close to the first member, and a polarity of an end of the first magnet close to the second magnet is the same as a polarity of an end of the second magnet close to the first magnet.
In a second aspect, an embodiment of the present application provides an electronic device, including: a first body, a second body, a hinge, and a retractable hot air blocking return device as provided by any of the various possible implementations of the first aspect; wherein the first body is connected to the second body by the hinge; the hinge is configured to rotate as the first body rotates when the first body rotates relative to the second body; as the hinge rotates, a wind shielding wall in the retractable hot wind backflow device protrudes from the second body along a third direction; the third direction is perpendicular to a plane of the second body.
The embodiment of the application provides a telescopic hot air backflow blocking device which is arranged at one end of a hinge of a notebook computer, for example, in the opening state of the notebook computer, a wind blocking wall is driven to extend out of a second main body through the rotation of the hinge to support the second main body, the wind blocking wall is in contact with a desktop to block hot air, the hot air is prevented from flowing back from an air inlet of a bottom shell, and the heat dissipation performance of the notebook computer is improved; when the notebook was in closed state, accomodate the wind-break wall in the second main part, compared the current notebook computer that adopts long callus on the sole, this application design makes the notebook computer outward appearance more succinct.
Drawings
The drawings that accompany the detailed description can be briefly described as follows.
Fig. 1 is a schematic view of a complete notebook computer provided in an embodiment of the present application in a closed state;
fig. 2 is a schematic view of a notebook computer provided in an embodiment of the present application, in an open state;
fig. 3 is a schematic structural diagram of a retractable hot air backflow prevention device in a closed state of a notebook computer according to an embodiment of the present disclosure;
fig. 4 is a schematic structural diagram of the retractable hot air backflow prevention device according to the embodiment of the present disclosure when the notebook computer is in an open state;
FIG. 5 is a schematic view of the hinge structure;
FIG. 6 is a schematic structural view of a wind barrier;
fig. 7 is a schematic structural view illustrating a wind blocking wall of the retractable hot wind backflow blocking device according to the embodiment of the present disclosure extending out of a bottom surface of a second main body of a notebook computer;
fig. 8 is a schematic structural diagram of a hinge and a wind-break wall in a notebook computer according to an embodiment of the present disclosure;
FIG. 9 is a schematic structural view of the support member;
FIG. 10 is a schematic view of the lever pivot;
fig. 11 is a schematic structural view illustrating an elastic member according to an embodiment of the present disclosure;
FIG. 12 is a schematic structural diagram of an embodiment of the present application in which the elastic member is two magnets;
fig. 13 is a schematic structural view of the wind-blocking wall of the retractable hot wind backflow-blocking device according to the embodiment of the present application when the wind-blocking wall is stored on the bottom surface of the second main body of the notebook computer.
Detailed Description
The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.
In the description of the present application, the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
In the description of the present application, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may include, for example, a fixed connection, a detachable connection, an interference connection, or an integral connection; the specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
It should be noted that, the following embodiments of the present application will be explained by taking a notebook computer as an example, and those skilled in the art will readily appreciate that the technical solutions provided in the present application are not only applied to the notebook computer, but also applied to other mobile terminals, smart devices, or related devices, and are not limited thereto.
Fig. 1 and fig. 2 are schematic diagrams of a notebook computer provided in an embodiment of the present application in a closed state and an open state. As shown in the figures, the first main body 1 refers to a module of a notebook including a display screen, and the second main body 2 refers to a module of a notebook including a keyboard. The hinge 3 is used to connect the first body 1 and the second body 2.
In a possible embodiment, the edge of one side of the first body 1 connected to the second body 2 is provided with a projection, the position of the projection is located in the middle of the side, and the length of the projection is about 2/3; the edge part of one end of the second main body 2 connected with the first main body is provided with a groove, the position of the groove is positioned at the middle part of the side, and the length of the groove is about 2/3; so that the protrusions of the first body 1 can be inserted into the grooves of the second body 2. Then, a hole is respectively arranged at the two cross sections of the protrusion, a hollow hole is respectively arranged at the joint of the two cross sections of the groove, the device also comprises two hinges 3, after the protrusion of the first body 1 can be embedded into the groove of the second body 2, one end of each hinge 3 is embedded into the hole at the cross section of the protrusion, and the other end of each hinge 3 is embedded into the hole at the cross section of the groove, so that the first body 1 can rotate relative to the second body 2. As shown in fig. 1, the first body 1 abuts on the second body 2, so that the notebook is in a closed state. As shown in fig. 2, when the notebook is opened, the first body 1 is rotated to be opened with respect to the second body 2, and the hinge 3 is rotated as the first body 1 is rotated.
Fig. 3 and 4 are schematic structural diagrams of the retractable hot air blocking backflow device provided in the embodiment of the present application in a closed state and an open state of a notebook computer. As shown, the device includes a lever 401, a wind break wall 402, an elastic member 403, a lever pivot 404, and a support member 405.
Fig. 5 is a schematic structural view of the hinge. As shown in fig. 5, a first stopper 301 having a rectangular parallelepiped shape is provided at one end of the hinge 3 in the second body 2, and a side surface of the first stopper 301 connected to the hinge 3 has a rectangular shape.
In one embodiment, when the notebook is in the closed position, the longer side of the rectangular side of the first catch 301 is parallel or near parallel to the plane of the second body 2 and the shorter side is perpendicular or near perpendicular to the plane of the second body 2.
In one embodiment, when the notebook is in the open position, the longer side of the rectangular side of the first catch 301 is perpendicular or near perpendicular to the plane of the second body 2 and the shorter side is parallel or near parallel to the plane of the second body 2.
The support 405 is provided on the bottom surface inside the second body 2, the lever pivot 404 is provided on the support 405, and the lever pivot 404 is oriented in parallel with the bottom surface inside the second body 2 and also in parallel with the hinge 3.
A through hole is formed at a middle position of the lever 401, and then the through hole of the lever 401 is inserted into the lever pivot 404 so that the lever 401 can rotate around the lever pivot 404.
Wherein one end of the lever 401 is disposed on the first catch 301. In one embodiment, as shown in fig. 3 and 4, when the long side of the rectangular side of the first stopper 301 is turned from parallel or nearly parallel to the plane of the second body 2 to perpendicular or nearly perpendicular to the plane of the second body 2 during the process of the notebook from the closed state to the open state, one end of the lever 401 disposed above the first stopper 301 is forced to lift upward, and the other end of the lever 401 opposite to the first stopper 301 is forced downward.
Fig. 6 is a schematic structural view of the wind screen. As shown in fig. 6, in one embodiment, the wind break wall 402 includes a first member 4021, a second member 4022 and a third member 4023, the first member 4021 is connected to one of two ends of the second member 4022, the third member 4023 is connected to the other of two ends of the second member 4022, and the first member 4021 and the third member 4023 are perpendicular to the second member 4022 and opposite in direction, respectively. The third member 4023 is a main body of the wind blocking wall 402.
In the present embodiment, the first member 4021 of the wind blocking wall 402 is disposed directly below the other end of the lever 401 with respect to the end disposed above the first stopper 301. In one embodiment, as shown in conjunction with fig. 3 and 4, when one end of the lever 401 disposed above the first catch 301 is forced upward, the other end of the lever 401 exerts a downward force on the first member 4021, causing the third member 4023 of the wind blocking wall 402 to move downward.
When the third member 4023 of the wind blocking wall 402 moves down to a predetermined supporting position, as shown in fig. 7, the second body 2 is supported at one end such that a gap exists between the bottom surface of the second body 2 and the table top. When hot air is blown out from the bottom surface of the second main body 2 in the vertical direction to the desktop, the third member 4023 of the wind blocking wall 402 blocks the hot air, so that the hot air flows out from the front outlet and the rear outlet formed between the second main body 2 and the desktop, thereby preventing the hot air from flowing back from the air inlet of the bottom shell and improving the heat dissipation performance of the notebook computer.
Fig. 8 is a schematic structural diagram of a hinge and a wind-break wall in a notebook computer according to an embodiment of the present disclosure. As shown in fig. 8, in one embodiment it has been said above that two hinges 3 are provided between the protrusions of the first body 1 and the recesses of the second body 2, so that the first body 1 can be rotated relative to the second body 2. Therefore, in the embodiment of the present application, the two hinges 3 are both provided with the retractable hot air backflow blocking device of the present application. The third members 4023 of the wind-blocking walls 402 of the two retractable wind-blocking backflow devices are connected, so that the third members 4023 of the wind-blocking walls 402 move downwards to support one end of the second main body 2 by rotating the two hinges 3 when the notebook is in the process from the closed state to the open state, and a gap is formed between the bottom surface of the second main body 2 and the desktop.
The elastic member 403 is disposed just below the first member 4021 of the wind blocking wall 402, and supports the wind blocking wall 402 received in the second body 2 in a direction perpendicular to the inner bottom surface of the second body 2. In one embodiment, a groove is formed on the side of the first member 4021 of the wind blocking wall 402 near the bottom surface of the inside of the second body 2 to fix the elastic member 403 to prevent the elastic member 403 from being positionally displaced.
In the embodiment of the application, when the notebook is in an open state, the lever 401 applies force to the first member 4021, so that the wind-break wall 402 moves downwards to a predetermined supporting position, and the elastic member 403 right below the first member 4021 is compressed at this time to provide an upward acting force to prevent the wind-break wall 402 from continuously moving downwards, thereby preventing the wind-break wall 402 from shaking upwards and downwards; when the notebook is restored to the closed state, the long sides of the rectangular sides of the first stopper 301 are parallel to the plane of the second body 2, and the lever 401 does not apply a force to the wind-break wall 402, and at this time, the wind-break wall 402 restores the wind-break wall 402 to its original position under the upward force provided by the elastic member 403.
Note that the predetermined support position is related to the length of the long side of the rectangular side surface of the first stopper 301 and the length of both ends of the lever 401. The longer the length of the long side thereof, the shorter the end of the lever 401 disposed at the first stopper 301, the longer the end of the lever 401 disposed at the first member 4021, the longer the distance the third member 4023 extends out of the second body 2, and the higher the height at which the second body 2 is supported.
Note that the upward force provided by the elastic member 403 at this time is to balance the weight of the wind break wall 402 and prevent the wind break wall 402 from shaking up and down between the end of the lever 401 disposed directly above the first member 4021 and the bottom surface inside the second body 2.
A retaining groove is provided in the support 405. When the supporting member 405 is fixed on the bottom surface of the second body 2, the slidable direction of the limiting groove is perpendicular to the bottom surface of the second body 2. In one embodiment, the opposite end of the first member 4021 to the end connected to the second member 4022 of the wind blocking wall 402 is provided with a limit ridge, and the limit ridge is inserted into the limit groove to allow the wind blocking wall 402 to move along the slidable direction of the limit groove.
Fig. 9 is a schematic view of a support structure. As shown in fig. 9, in one embodiment, the support 405 includes a fourth member 4051 and a fifth member 4052, the fourth member 4051 is disposed on the bottom surface within the second body, and the fifth member 4052 is connected to the fourth member 4051 and perpendicular to the bottom surface within the second body 2. A limiting groove of the first stopper is dug on the fifth component 4052, and the slidable direction of the limiting groove is perpendicular to the bottom surface in the second main body 2.
The shape and size of the limiting ridge arranged on the first member 4021 correspond to those of the limiting groove, so that the wind blocking wall 402 is prevented from transversely shaking in the limiting groove due to the undersize shape of the limiting ridge in the up-and-down moving process. Meanwhile, when the wind-break wall 402 is restored to the original position under the upward acting force provided by the elastic member 403, the wind-break wall 402 is prevented from moving upward due to the limitation of the upper portion of the limiting groove, so that the wind-break wall 402 is prevented from being accommodated in the second main body 2 and then swaying up and down.
In addition, a groove is provided on the upper surface of the fourth member 4051 adjacent to the first member for fixing the elastic member 403 to prevent the elastic member 403 from being positionally displaced.
In one possible embodiment, the central axis between the groove provided on the first member 4021 and the groove provided on the fourth member 4051 is perpendicular to the bottom surface inside the second body 2, such that the elastic member 403 is compressed in the vertical direction.
In a possible embodiment, the supporting element 405 comprises only the fifth component 4052, the bottom surface of the fifth component 4052, which is originally connected to the fourth component 4051, is directly fixed to the bottom surface of the second body 2, and then a recess is provided at the projection position of the recess provided on the first component 4021, which is projected in a top view onto the bottom surface of the second body 2, for fixing the elastic element 403. This can reduce the length of the support 405 in the direction perpendicular to the bottom surface of the second body 2, and can reduce the thickness of the second body 2 or the length of the growth-limiting groove in the slidable direction.
Fig. 10 is a schematic structural view of the lever pivot. As shown in FIG. 10, in one embodiment, the lever pivot 404 includes a base 4041 and a pivot 4042. The base 4041 is the first stop and the pivot 4042 is cylindrical. The base 4041 is fixed to the upper surface of the support 405 and the direction of the pivot 4042 is determined with the fixing of the base 4041. In the present embodiment, the pivot 4042 is oriented parallel to the bottom surface in the second body 2 and the hinge 3. The aperture in the lever 401 is inserted over the pivot 4042 and the lever 401 is rotated about the pivot 4042.
The resilient member 403 is a spring in figure 3, one end of which is disposed in a recess in the first member 4021 and the other end of which is disposed in a recess in the fourth member 4051. In the opened state of the notebook, the lever 401 applies force on the first member 4021, so that after the wind-break wall 402 moves downwards to a preset supporting position, the spring right below the first member 4021 is compressed to provide an upward acting force to prevent the wind-break wall 402 from continuously moving downwards, thereby preventing the wind-break wall 402 from shaking upwards and downwards; in the closed state of the notebook, the lever 401 does not apply an acting force to the wind-break wall 402, and at the moment, the wind-break wall 402 makes the wind-break wall 402 restore to the original position under the upward acting force provided by the spring; and when the wind-break wall 402 is restored to the original position under the upward acting force provided by the spring, the wind-break wall 402 is prevented from continuously moving upward due to the limitation of the upper part of the limit groove, so that the wind-break wall 402 is prevented from being accommodated in the second main body 2 and still shaking up and down.
In a preferred embodiment, as shown in fig. 11, the resilient member 403' may be a resilient tab having one end disposed in a groove on the first member 4021 and the other end disposed in a groove on the fourth member 4051. The working principle of the elastic sheet is the same as that of the spring, and the description is omitted here. The spring plate has the advantages that compared with a spring, the spring plate can provide larger elastic force, and the spring plate is not easy to lose effectiveness.
Fig. 12 is a schematic structural diagram of an embodiment of the present application, in which the elastic member is two magnets. As shown in fig. 12, in one embodiment, the elastic member 403 ″ is two magnets, one of which is disposed in a recess of the first member 4021, and the other of which is disposed in a recess of the fourth member 4051, and the ends of the two magnets close to each other have the same polarity, i.e., both N-pole and S-pole. The embodiment of the application utilizes the principle that like poles of a magnetic field repel each other, and when the distance between two magnets is compressed, the repulsion force generated by the two magnets is continuously increased. In the opened state of the notebook, the lever 401 applies force on the first member 4021, so that after the wind-break wall 402 moves downwards to a predetermined supporting position, the magnet right below the first member 4021 provides an upward repulsive force to prevent the wind-break wall 402 from continuously moving downwards, thereby preventing the wind-break wall 402 from shaking up and down; in the closed state of the notebook, the lever 401 does not apply an acting force to the wind-break wall 402, and at this time, the wind-break wall 402 returns the wind-break wall 402 to the original position under the upward repulsive force provided by the magnet.
Fig. 13 is a schematic structural view of the wind-blocking wall of the retractable hot wind backflow-blocking device according to the embodiment of the present application when the wind-blocking wall is stored on the bottom surface of the second main body of the notebook computer. As shown in fig. 13, a recess 21 is provided in the bottom surface of the second body 2 for receiving a third member 4023 of the wind blocking wall 402. In one embodiment, when the notebook computer is in a closed state, the hinge 3 is turned over to restore the long side of the rectangular side of the first stopper 301 to be parallel or nearly parallel to the plane of the second main body 2, and the wind-blocking wall 402 moves upward under the action of the elastic member 403, so that the third member 4023 of the wind-blocking wall 402 is received in the recess 21.
The telescopic hot air backflow blocking device is arranged at one end of a hinge of a notebook computer, for example, and in the opening state of the notebook computer, a wind blocking wall is driven to extend out of a second main body through the rotation of the hinge to support the second main body, the wind blocking wall is in contact with a desktop to block hot air, the hot air is prevented from flowing back from an air inlet of a bottom shell, and the heat dissipation performance of the notebook computer is improved; when the notebook was in closed state, accomodate the wind-break wall in the second main part, compared the current notebook computer that adopts long callus on the sole, this application design makes the notebook computer outward appearance more succinct.
An embodiment of the present invention further provides an electronic device, which includes two retractable hot wind backflow prevention apparatuses as shown in fig. 3 to 12, a first main body 1 including a display screen, a second main body 2 including a keyboard, and two hinges 3 for connecting the first main body 1 and the second main body 2.
In the embodiment of the invention, the telescopic hot air blocking backflow devices are respectively arranged at one end of each hinge, so that in the opening state of the notebook computer, the hinge rotates to drive the wind blocking wall to extend out of the second main body and support the second main body, the wind blocking wall is in contact with a desktop to block hot air, the hot air is prevented from flowing back from the air inlet of the bottom shell, and the heat dissipation performance of the notebook computer is improved; when the notebook was in closed state, accomodate the wind-break wall in the second main part, compared the current notebook computer that adopts long callus on the sole, this application design makes the notebook computer outward appearance more succinct.
In the description herein, particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples.
Finally, the description is as follows: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (13)
1. A retractable hot wind backflow prevention device is applied to electronic equipment, and the electronic equipment comprises:
the hinge comprises a first body, a second body and a hinge, wherein the first body is connected with the second body through the hinge; the hinge is configured to rotate as the first body rotates when the first body rotates relative to the second body;
characterized in that the device comprises: a wind-break wall;
a lever including a first end and a second end, the first end disposed above the hinge and the second end disposed above the wind-break wall;
the elastic piece supports the wind-break wall along a first direction and is contained in the second main body;
when the first body rotates relative to the second body, the hinge applies acting force to the first end of the lever to drive the lever to rotate around a supporting point, and the second end of the lever applies force to the wind-break wall along a second direction to enable the wind-break wall to protrude from the second body along the second direction; the first direction and the second direction are opposite and both perpendicular to the plane of the second body.
2. The retractable hot air backflow prevention device according to claim 1, wherein a first stopper is disposed at one end of the hinge, the first stopper comprising a first edge, the first edge being perpendicular to the rotation axis of the hinge; when the first body and the second body are attached, the first edge is parallel to the plane of the second body; the first edge is perpendicular to a plane of the second body when the first body is opened with respect to the second body.
3. The retractable hot air backflow prevention device according to claim 1, wherein the wind blocking wall comprises a first member, a second member and a third member, the third member is a main body of the wind blocking wall, and the second member fixedly connects the first member and the third member; the first member causes the third member to protrude and be received from the second body by the combined action of the lever and the elastic member.
4. The retractable hot air backflow prevention device according to any one of claims 1 to 3, further comprising: the supporting piece is provided with a limiting groove; the supporting piece is arranged on the bottom surface in the second main body, and the direction of the limiting groove is parallel to the first direction.
5. The retractable hot air backflow prevention device according to claim 4, wherein the wind blocking wall is provided with a limiting ridge, and the limiting ridge is inserted into the limiting groove, so that the wind blocking wall moves along the first direction.
6. The retractable hot air backflow prevention device according to claim 4, wherein the supporting member comprises a fourth member and a fifth member, the fourth member is disposed on a bottom surface inside the second body, and the fifth member is connected to the fourth member and is parallel to the first direction; wherein the stopper groove is provided on the fifth member.
7. The retractable hot air backflow prevention device according to claim 5, further comprising: a lever pivot; the lever pivot is arranged on the support part, the direction of the lever pivot is parallel to that of the hinge, and the lever pivot is used for embedding the lever into the lever pivot.
8. The retractable hot air backflow prevention device according to any one of claims 1 to 7, wherein the elastic member comprises a spring.
9. The retractable hot air backflow prevention device according to any one of claim 8, wherein a first groove is formed on a lower surface of the first member close to the inner bottom surface of the second body, and a second groove is formed on an upper surface of the fourth member close to the first member; the first groove and the second groove are used for fixing two ends of the spring.
10. The retractable hot air backflow prevention device according to claim 9, wherein a central axis between the first groove and the second groove is parallel to the first direction.
11. The retractable hot air backflow prevention device according to any one of claims 1 to 7, wherein the elastic member comprises a spring sheet.
12. The retractable hot air backflow prevention device according to any one of claims 1 to 7, wherein the elastic member comprises a first magnet and a second magnet, the first magnet is fixed to a lower surface of the first member near the inner bottom surface of the second body, the second magnet is fixed to an upper surface of the fourth member near the first member, and a polarity of an end of the first magnet near the second magnet is the same as a polarity of an end of the second magnet near the first magnet.
13. An electronic device, characterized in that the electronic device comprises:
a first body, a second body, a hinge and the retractable hot air backflow prevention device as claimed in any one of claims 1 to 12;
wherein the first body is connected to the second body by the hinge; the hinge is configured to rotate as the first body rotates when the first body rotates relative to the second body; as the hinge rotates, a wind shielding wall in the retractable hot wind backflow device protrudes from the second body along a third direction; the third direction is perpendicular to a plane of the second body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910533643.5A CN112114635B (en) | 2019-06-19 | 2019-06-19 | Telescopic hot air backflow shielding device and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN112114635B (en) | 2022-10-18 |
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