CN112363563A

CN112363563A - External image sound input device mounted on computer display

Info

Publication number: CN112363563A
Application number: CN202011079142.3A
Authority: CN
Inventors: 王小龙
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-11
Filing date: 2020-10-11
Publication date: 2021-02-12

Abstract

Install circumscribed image sound input device on computer display, the on-line screen storage device comprises a base, there is the support column on the base, there is the cross axle on the support column, the display screen is connected to the cross axle, there is articulated seat on the support column, bearing connection vertical axis on the articulated seat, there is the sleeve on the vertical axis, there is first bevel gear bottom the vertical axis, there is the second bevel gear on the support column, there is first concave mount pad outside the sleeve, first concave mount pad is equipped with first protruding mount pad, universal ball bearing is connected to first protruding mount pad, universal ball bearing connects the camera, there is the diaphragm on the sleeve, there is the concave mount pad of second at the bottom of the diaphragm, there is the protruding mount pad of second on the camera, there is the jack on diaphragm one side, there is the baffle groove at the bottom of the jack, there is the baffle in the baffle groove, there is the tooth on the baffle. The invention can improve the shooting efficiency and quality, simultaneously prevent the microphone from being randomly played and lost, and is particularly suitable for being popularized in office places where video calls, video conferences and video recording are frequently required.

Description

External image sound input device mounted on computer display

Technical Field

The invention belongs to the field of computer accessories, in particular to an external image and sound input device arranged on a computer display.

Background

Most desktop computers are not provided with a camera and a microphone, the camera and the microphone are required to be externally connected to some computers for video calls and video conferences, in the video process, a user sometimes needs to sit in front of the computer to operate and sometimes needs to stand up to shoot at a longer distance (such as slide show), in the process, the user is required to repeatedly adjust the shooting angle of the camera, the time is delayed, the watching experience is influenced, in addition, in the video process, the user sometimes needs to show a paper file to the camera, at the moment, the user only can lift the paper to be shown before the lens, the paper is difficult to be flattened and kept static in front of the camera by the aid of the showing method, and the actual watching experience of the video is greatly influenced.

Disclosure of Invention

The invention provides an external image and sound input device installed on a computer display, which is used for solving the defects in the prior art.

The invention is realized by the following technical scheme:

install external image sound input device on computer display, including the base, its characterized in that: the top surface of the base is fixedly provided with a supporting column, the upper part of one side of the supporting column is fixedly provided with a cross shaft, one end of the cross shaft, which is far away from the supporting column, is connected with a display screen through a bearing, the top end of the supporting column is rotatably provided with a hinged seat, the top surface of the hinged seat is connected with a vertical shaft through a bearing, the periphery of the upper part of the vertical shaft is sleeved with a sleeve in a sliding fit manner, the periphery bottom of the vertical shaft is fixedly provided with a first bevel gear, one side of the top end of the supporting column, which is far away from the display screen, is fixedly provided with a second bevel gear, the first bevel gear is meshed with the second bevel gear, the upper part of the periphery of the sleeve, which is close to the display screen, is fixedly provided with a first concave installation seat, one side, which is far away from the sleeve, is provided with a first convex, the side of the first convex mounting seat, which is far away from the sleeve, is fixedly connected with the fixed end of the universal ball bearing, the movable end of the universal ball bearing is fixedly connected with a camera, the top end of the sleeve, which faces the display screen, is fixedly provided with a transverse plate, the end of the bottom surface of the transverse plate, which is far away from the sleeve, is fixedly provided with a second concave mounting seat, the bottom surface of the second concave mounting seat is also provided with a semi-elliptical groove, the top surface of the second convex mounting seat is also fixedly provided with a semi-elliptical lug, the inner cambered surface of the semi-elliptical groove on the first concave mounting seat is transversely provided with a first rope threading hole, the periphery of the sleeve is provided with a second rope threading hole which is coaxial and communicated with the first rope threading hole, the inner cambered surface of the semi-elliptical groove on the second concave mounting seat is vertically provided with a third rope threading hole, the top surface of the transverse plate is provided with a first rope groove, the inner bottom surface of, a second rope groove communicated with the first rope groove is transversely formed in the top surface of the sleeve, a first rope pulley is fixedly arranged at the communication position of the first rope groove and the fourth rope penetrating hole, a second rope pulley is fixedly arranged at the top end of the side wall of the inner hole of the sleeve through a wheel carrier, a third rope pulley is arranged above the second rope penetrating hole, the third rope pulley is fixedly arranged on the side wall of the inner hole of the sleeve through the wheel carrier, bearings of a wheel shaft of the third rope pulley and the wheel carrier are all torsional spring bearings, a first gear is fixedly arranged on the wheel shaft of the third rope pulley simultaneously, a first rack is vertically and fixedly arranged on the top surface of the vertical shaft, the first rack is meshed with the first gear, a semi-elliptical lug of the first convex mounting seat is fixedly connected with one end of a rope, and the other end of the rope passes through the first rope penetrating hole, the second rope penetrating hole, bypasses the third rope pulley, passes through the inner hole of the sleeve, bypasses the second, The third rope threading hole penetrates through the fourth rope threading hole, the third rope threading hole is finally fixedly connected with the semi-elliptical convex block on the second convex mounting seat, the side, away from the sleeve, of the transverse plate is further provided with a jack, the bottom surface of the jack is provided with a baffle groove, a baffle is arranged in the baffle groove, one end, away from the sleeve, of the baffle is hinged with the baffle groove through a torsional spring, the top surface of the baffle is close to one side of the sleeve and is provided with teeth, the top surface in the jack hole is provided with a gear groove, a second gear is arranged in the gear groove, a wheel shaft at the rear side of the second gear is connected with a bearing of the inner wall, corresponding to the gear groove, of the gear shaft at the front side of the second gear, the wheel shaft is fixedly connected with a wheel shaft of the first rope pulley.

According to the external image and sound input device installed on the computer display, a cross rod is fixedly installed on one side, facing the display screen, of the hinged seat, a shifting rod is installed on one end, facing the display screen, of the hinged seat in a hinged mode, a U-shaped seat with an upward opening is fixedly installed on one side, facing the shifting rod, of the display screen, and one end, far away from the cross rod, of the shifting rod is inserted into the opening of the U-shaped seat.

According to the external image and sound input device installed on the computer display, the stop block is fixedly installed on the front side of the periphery of the support column.

In the external video and audio input apparatus mounted on the computer monitor as described above, the wire is wound around the third sheave and the first sheave at least 3 times.

As above install external image sound input device on computer display, the microphone is the wireless microphone of taking battery and wireless connection function certainly, and the handle afterbody of microphone is equipped with the interface that charges, and the downthehole terminal surface of jack is equipped with the interface assorted charging plug that charges with the microphone, and the jack inner wall covers there is rubber material.

According to the external image and sound input device installed on the computer display, the plurality of sliding blocks are respectively and fixedly installed on the periphery of the vertical shaft, the plurality of sliding grooves are vertically formed in the inner hole of the sleeve, and the sliding blocks are respectively in sliding fit with the corresponding sliding grooves.

The invention has the advantages that: when a user sits in front of a computer to record videos, the user only needs to rotate the universal ball bearing to adjust the camera to a proper angle to start using, and the microphone can be used as a fixed microphone at the moment; when a user needs to shoot a long-range view, the user grasps the sleeve to lift the sleeve upwards, when the sleeve moves upwards, the first rack drives the first gear and the third rope wheel to rotate, the third rope wheel drives the rope to lift the second convex mounting seat upwards, the second convex mounting seat is embedded into the second concave mounting seat upwards, the second convex mounting seat is positioned on the top surface of the shell of the camera, the lens of the camera is vertical to the top surface of the shell, at the moment, the camera rotates to any angle by rotating the universal ball bearing by the user before, the lens of the camera horizontally faces to one side of the display screen, the long-range view shooting is convenient, meanwhile, the rope wheel shaft of the first rope wheel drives the first rope wheel to rotate, the second gear also drives the second gear to rotate, the second gear pushes the microphone out of the jack for a certain distance through the meshing action of the second rack and then is disengaged from the second rack, at the moment, the user can draw out the microphone to be used as a wireless microphone, when a user finishes the long-range shooting and needs to restore the invention to the initial state, the user firstly needs to reinsert the microphone into the jack, otherwise the baffle plate can be turned over and erected under the action of the torsion spring, teeth at the upper end of the baffle plate can clamp the second gear to prevent the second gear from rotating, at the moment, if the user moves the sleeve downwards, when the first rack is contacted with the first gear, the first rope pulley can not rotate because the second gear is clamped, the rope can not be pulled by the first rope pulley, the first rope pulley and the first gear can not rotate, the user can find that the sleeve can not be completely pressed down to restore the original state, only when the user reinserts the microphone into the jack, the handle of the microphone pushes the baffle plate back into the baffle plate groove, the first gear and the first rope pulley can normally rotate, when the user pushes the sleeve downwards to the original position, the first rack drives the first gear and the third rope pulley to rotate, the third rope pulley drives the first convex mounting seat to be redrawn into the first concave mounting seat, because the universal ball bearing still maintains the angle adjusted by the user before, the camera can automatically restore to the angle adjusted by the user before the user sits on the computer; the structure can avoid the work that a user needs to repeatedly adjust the angle of the camera when shooting in a close view and a long view, improves the shooting efficiency and the viewing experience, and simultaneously utilizes a smart mechanical structure to ensure that the user can not reset without inserting a microphone, thereby greatly reducing the problem that the user loses the microphone due to carelessness and randomly putting the microphone with small volume, and being beneficial to field management and property protection; in addition, when a user needs to use the camera to shoot and scan the paper document, the user firstly lifts the sleeve upwards to enable the camera to be in a head-up state, then holds the sleeve to enable the sleeve to rotate forwards by 90 degrees, the second bevel gear which is fixed and can not rotate in the rotating process of the hinged seat can drive the first bevel gear and the vertical shaft to rotate by 90 degrees, the vertical shaft can drive the sleeve and the camera to rotate simultaneously, the lens direction of the camera is changed from one side facing the display screen to the downward side, at the moment, the paper document shooting device can be formed, and the user can conveniently shoot and scan the paper document when putting the paper document on a desktop below the camera; the practical functions of the invention can improve the shooting efficiency and quality, prevent the microphone from being randomly played and lost, and is particularly suitable for being popularized in office places where video calls, video conferences and video recording are frequently carried out.

Drawings

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

FIG. 1 is a schematic structural view of the present invention; FIG. 2 is an enlarged view of section I of FIG. 1; FIG. 3 is an enlarged view of a portion II of FIG. 1; FIG. 4 is a perspective view of the present invention; FIG. 5 is a left side view of FIG. 1, and FIG. 6 is an enlarged view of the view A of FIG. 5; FIG. 7 is a schematic view of the microphone of FIG. 6 in a pulled-out state; FIG. 8 is a schematic view of the construction of the first female mount; FIG. 9 is a schematic view of the scanning state of the present invention; fig. 10 is a partially enlarged view iii of fig. 5.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Install circumscribed image sound input device on computer display, as shown in the figure, including base 1, its characterized in that: the top surface of the base 1 is fixedly provided with a supporting column 11, the upper part of one side of the supporting column 11 is fixedly provided with a cross shaft 12, one end of the cross shaft 12, which is far away from the supporting column 11, is connected with a display screen 13 through a bearing, the top end of the supporting column 11 is rotatably provided with a hinged seat 14, the top surface of the hinged seat 14 is connected with a vertical shaft 2, the periphery of the upper part of the vertical shaft 2 is sleeved with a sleeve 3 in a sliding fit manner, the bottom of the periphery of the vertical shaft 2 is fixedly provided with a first bevel gear 21, one side of the top end of the supporting column 11, which is far away from the display screen 13, is fixedly provided with a second bevel gear 22, a gear shaft of the second bevel gear 22 is fixedly connected with the periphery of the supporting column 11, the second bevel gear 22 is concentric with the cross shaft 12, the first bevel gear 21 is meshed with the second, a first convex mounting seat 5 is arranged on one side of a first concave mounting seat 4 far away from a sleeve 3, a semielliptical convex block is fixedly arranged on one side of the first convex mounting seat 5 facing a semielliptical groove, the semielliptical convex block on the first convex mounting seat 5 is inserted into the semielliptical groove on the first concave mounting seat 4 and is mutually attached, the side of the first convex mounting seat 5 far away from the sleeve 3 is fixedly connected with a fixed end of a universal ball bearing 6, a camera 61 is fixedly connected with a movable end of the universal ball bearing 6, a lens of the camera 61 faces one side of a screen of a display 13, a transverse plate 7 is fixedly arranged on one side of the top end of the sleeve 3 facing the display 13, a second concave mounting seat 71 is fixedly arranged on one end of the bottom surface of the transverse plate 7 far away from the sleeve 3, a semielliptical groove is also arranged on the bottom surface of the second concave mounting seat 71, a second convex mounting seat 62 is fixedly arranged on the top, the semi-elliptical convex block on the second convex mounting seat 62 is matched with the semi-elliptical groove profile on the second concave mounting seat 71, the inner arc surface of the semi-elliptical groove on the first concave mounting seat 4 is transversely provided with a first rope threading hole 41, the periphery of the sleeve 3 is provided with a second rope threading hole 31 which is coaxial with and communicated with the first rope threading hole 41, the inner arc surface of the semi-elliptical groove on the second concave mounting seat 71 is vertically provided with a third rope threading hole 72, the top surface of the transverse plate 7 is transversely provided with a first rope groove 73, the inner bottom surface of the first rope groove 73 is provided with a fourth rope threading hole 74 which is coaxial with and communicated with the third rope threading hole 72, the top surface of the sleeve 3 is transversely provided with a second rope groove 32 which is communicated with the first rope groove 73, two ends of the second rope groove 32 are respectively communicated with the inner holes of the sleeve 3, the communicated part of the first rope groove 73 and the fourth rope threading hole 74 is fixedly provided with a first rope pulley 75, the inner bottom surface of the first rope groove 73 is provided with a rope pulley groove 73, one side wall of the rope wheel groove is communicated with a fourth rope penetrating hole 74, a first rope wheel 75 is arranged in the rope wheel groove, wheel shafts at the front end and the rear end of the first rope wheel 75 are respectively connected with bearings at the front side wall and the rear side wall of the rope wheel groove, a second rope wheel 33 is fixedly arranged at the top end of the inner hole side wall of the sleeve 3 through a wheel frame, the second rope wheel 33 is positioned below the second rope groove 32, a third rope wheel 36 is arranged above the second rope penetrating hole 31, the third rope wheel 36 is also fixedly arranged on the inner hole side wall of the sleeve 3 through the wheel frame, the wheel shaft of the third rope wheel 36 and the bearing connected with the wheel frame are all torsional spring bearings, taking the figure 3 as an example, the torsional spring bearings can give a clockwise rotating force to the third rope wheel 3, a first gear 34 is simultaneously and fixedly arranged on the wheel shaft of the third rope wheel 36, a first rack 23 is vertically and fixedly arranged on the top surface of the vertical shaft 2, the first rack 23, the other end of the rope 8 passes through the first rope penetrating hole 41, the second rope penetrating hole 31, bypasses the third rope pulley 36, passes through the inner hole of the sleeve 3, bypasses the second rope pulley 33, passes through the second rope groove 32, the first rope groove 73, bypasses the first rope pulley 75, passes through the fourth rope penetrating hole 74 and the third rope penetrating hole 72 and is finally fixedly connected with the semi-elliptical bump on the second convex mounting seat 71, a certain margin is left on the length of the connecting end of the rope 8 and the second convex mounting seat 62 so as not to influence the user to adjust the angle of the camera 61, one side of the transverse plate 7 far away from the sleeve 3 is also provided with the jack 9, the jack 9 is positioned behind the second concave mounting seat 71, the bottom surface of the jack 9 is provided with a baffle groove 91, a baffle 92 is arranged in the baffle groove 91, one end of the baffle 92 far away from the sleeve 3 is hinged with the baffle groove 91 through a torsion spring, rotating shafts are fixedly arranged on the front side and the rear side of the baffle 92, the rotating shafts, taking fig. 6 as an example, the torsion spring bearing in the baffle groove 91 can provide a clockwise rotation force to the baffle 92, teeth are arranged on one side of the top surface of the baffle 92 close to the sleeve 3, a gear groove 93 is arranged on the top surface in the hole 9, a second gear 94 is arranged in the gear groove 93, a wheel shaft on the rear side of the second gear 94 is connected with a bearing on the inner wall corresponding to the gear groove 93, a wheel shaft on the front side of the second gear 94 is fixedly connected with a wheel shaft of the first rope pulley 75, a shaft hole is longitudinally arranged between the gear groove 93 and the rope pulley groove, a wheel shaft on the front side of the second gear 94 passes through the shaft hole and is fixedly connected with the wheel shaft of the first rope pulley 75, a microphone 95 is arranged in the hole 9, a handle of the microphone 95 is inserted into the hole 9, a second rack 96 is fixedly arranged on the top surface of the. When a user sits in front of a computer to record videos, the user only needs to rotate the universal ball bearing 6 to adjust the camera 61 to a proper angle to start using, and the microphone 95 can be used as a fixed microphone at the moment; when a user needs to shoot a long-range view, the user grasps the sleeve 3 to lift the sleeve upwards, when the sleeve 3 moves upwards, the first rack 23 drives the first gear 34 and the third rope pulley 36 to rotate, the third rope pulley 36 drives the rope 8 to lift the second convex mounting seat 71 upwards, the second convex mounting seat 71 is embedded into the second concave mounting seat 7 upwards, the second convex mounting seat 71 is positioned on the top surface of the shell of the camera 61, the lens of the camera 61 is perpendicular to the top surface of the camera, at this time, the user rotates the universal ball bearing 6 to rotate the camera 61 to any angle before, the lens of the camera 61 horizontally faces to one side of the screen 13 of the display screen, so that long-range view shooting is facilitated, meanwhile, the rope 8 drives the first rope pulley 75 to rotate, the wheel shaft of the first rope pulley 75 also drives the second gear 94 to rotate, the second gear 94 pushes the microphone 95 out of the jack 9 for a distance through the meshing action with the second gear 96, and then the microphone 95 is disengaged from the second gear 96, at this time, the user can draw out the microphone 95 to use as the wireless microphone, when the user finishes the long-range shooting and needs to restore the present invention to the initial state, the user firstly needs to reinsert the microphone 95 into the jack 9, otherwise the baffle 92 is turned over and erected under the action of the torsion spring, the teeth on the upper end of the baffle 92 can block the second gear 94 to make it unable to rotate, at this time, if the user moves the sleeve 3 downwards, when the first rack 23 contacts with the first gear 34, because the second gear 94 is blocked, the first rope pulley 75 is unable to rotate, the rope 8 is unable to be pulled by the first rope pulley 36, the first rope pulley 36 and the first gear 34 are unable to rotate, the user can find that the sleeve 3 can not be pressed completely to restore the original state, only when the user reinserts the microphone 95 into the jack 9, the handle of the microphone 95 pushes the baffle 92 back into the baffle groove 91 again, the first gear 34 and the first rope pulley 75 can restore the normal rotation, when the user presses the sleeve 3 back to the original position, the first rack 23 drives the first gear 34 and the third rope pulley 36 to rotate, the third rope pulley 36 drives the rope 8 to pull the first convex mounting seat 5 back into the first concave mounting seat 4 again, and the universal ball bearing 6 maintains the previously adjusted angle of the user at this time, so the camera 61 can automatically restore to the previously adjusted angle of the user sitting in the computer; on one hand, the structure can avoid the work that a user needs to repeatedly adjust the angle of the camera 61 when shooting in a close view and a long view, improves the shooting efficiency and the viewing experience, and simultaneously, the ingenious mechanical structure is utilized, so that the user can not reset the microphone 95 without inserting the microphone, the problem that the user loses the microphone 95 with small volume due to carelessness, and the field management and property protection are facilitated; in addition, when a user needs to use the camera 61 to shoot and scan a paper document, the user firstly lifts the sleeve 3 upwards to enable the camera to be in a head-up state, then holds the sleeve 3 to enable the sleeve 3 to rotate forwards by 90 degrees, the second bevel gear 22 which is fixed and fixed in the rotating process of the hinge seat 14 can drive the first bevel gear 21 and the vertical shaft 2 to rotate by 90 degrees, the vertical shaft 2 can drive the sleeve 3 and the camera 61 to rotate simultaneously, the lens direction of the camera 61 is changed from one side of the display screen to the downward side, at the moment, the paper document shooting device can be a paper document shooting device, and the user can conveniently shoot and scan the paper document when putting the paper document on a desktop below the camera 61; the practical functions of the invention can improve the shooting efficiency and quality, prevent the microphone from being randomly played and lost, and is particularly suitable for being popularized in office places where video calls, video conferences and video recording are frequently carried out.

Specifically, as shown in fig. 2, in the present embodiment, a cross bar 15 is fixedly installed on a side of the hinge base 14 facing the display 13, a shift lever 16 is hingedly installed on an end of the cross bar 15 facing the display 13, a U-shaped base 17 with an upward opening is fixedly installed on a side of the display 13 facing the shift lever 16, and an end of the shift lever 16 away from the cross bar 15 is inserted into an opening of the U-shaped base 17. When the shift lever 16 is inserted into the U-shaped seat 17, when the user rotates the hinged seat 14 forwards by 90 degrees, the user can drive the display screen 13 to rotate together by 90 degrees, so that the horizontal screen mode is changed into the vertical screen mode, and most office documents of a general company are vertically typeset A4 paper, so that the display screen 13 can better display the document paper shot by the camera 61, and the user only needs to reset the display screen to be in the vertical screen mode after the screen rotates, or the display screen 13 with a gravity sensing function can be selected during manufacturing of the invention and can automatically rotate the picture; if the user does not need to rotate the display 13 when using the camera 61 to photograph a document, the user simply turns the lever 16 up to disengage the U-shaped seat 17 before rotating the hinged seat 14.

Specifically, as shown in fig. 2, a stopper 18 is fixedly mounted on the front side of the outer periphery of the supporting column 11 in this embodiment. When the hinge base 14 is turned forward by 90 °, the top surface of the stopper 18 contacts the hinge base 14 to prevent the hinge base 14 from rotating further, so that the vertical shaft 2 on the hinge base 14 can maintain a longitudinal state after rotating, and the hinge base 14 needs to have a certain rotation resistance during manufacturing, so that the hinge base 14 can maintain a vertical state during daily use.

Further, as shown in fig. 1, 2, and 3, the cord 8 of the present embodiment is wound at least 3 times around the outer circumference of the third sheave 36 and the first sheave 75. This structure can increase the frictional force between cotton rope 8 and the rope sheave, avoids taking place to skid.

Further, as shown in fig. 6, this embodiment microphone 95 is the wireless microphone from taking battery and wireless connection function, and microphone 95's handle afterbody is equipped with the interface that charges, and 9 downthehole terminal surfaces of jack are equipped with and charge the interface assorted charging plug with microphone 95, and the wireless microphone that has wireless connection and charge function is current mature technology, and its specific structure is no longer repeated here, and the charging plug and the external power supply circuit of jack 9 inside are connected, and the jack 9 inner wall covers there is rubber materials. When microphone 95 inserts in jack 9, the interface that charges on the microphone 95 can be connected with the inside charging plug of jack 9 to the realization is to the function of charging of microphone 95, the user need not to take out microphone 95 again and charges alone, the user need dispose wireless receiving device in order to realize wireless function on the computer in addition, the rubber material of jack 9 inner wall can increase the frictional force with microphone 95 handle, avoid microphone 95 roll-off from jack 9 by oneself.

Furthermore, as shown in fig. 1, fig. 2 and fig. 3, in the present embodiment, a plurality of sliding blocks 24 are respectively and fixedly installed on the periphery of the vertical shaft 2, a plurality of sliding grooves 35 are vertically formed in the inner hole of the sleeve 3, and the sliding blocks 24 are respectively in sliding fit with the corresponding sliding grooves 35. This structure plays limiting displacement to sleeve 3 on the one hand, avoids sleeve 3 to be extracted from vertical axis 2 completely, or sleeve 3 and vertical axis 2 take place relative rotation, and on the other hand can suitably increase the frictional force between vertical axis 2 and the sleeve 3 through the cooperation tolerance of reasonable control slider 24 and spout 35, avoids the user upwards taking back out sleeve 3, and sleeve 3 slides downwards by oneself under the action of gravity.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will 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 such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. Install circumscribed image sound input device on computer display, including base (1), its characterized in that: the support column (11) is fixedly installed on the top surface of the base (1), the cross shaft (12) is fixedly installed on the upper portion of one side of the support column (11), one end, far away from the support column (11), of the cross shaft (12) is connected with the display screen (13) through a bearing, the top end of the support column (11) is rotatably installed with the hinged seat (14), the top surface of the hinged seat (14) is connected with the vertical shaft (2) through a bearing, the sleeve (3) is sleeved on the periphery of the upper portion of the vertical shaft (2) in a sliding fit mode, the first bevel gear (21) is fixedly installed at the bottom of the periphery of the vertical shaft (2), the second bevel gear (22) is fixedly installed on one side, far away from the display screen (13), of the top end of the support column (11), the first bevel gear (21) is meshed with the second bevel gear (22), the first concave installation seat, one side of the first concave mounting seat (4) far away from the sleeve (3) is provided with a first convex mounting seat (5), one side of the first convex mounting seat (5) facing the semielliptical groove is fixedly provided with a semielliptical lug, the semielliptical lug on the first convex mounting seat (5) is inserted into the semielliptical groove on the first concave mounting seat (4) and mutually attached, one side of the first convex mounting seat (5) far away from the sleeve (3) is fixedly connected with a fixed end of a universal ball bearing (6), the movable end of the universal ball bearing (6) is fixedly connected with a camera (61), the top end of the sleeve (3) facing one side of the display screen (13) is fixedly provided with a transverse plate (7), one end of the bottom surface of the transverse plate (7) far away from the sleeve (3) is fixedly provided with a second concave mounting seat (71), the bottom surface of the second concave mounting seat (71) is also provided with a semielliptical groove, the top surface of the camera (, a semi-elliptical convex block is also fixedly installed on the top surface of the second convex installation seat (62), a first rope threading hole (41) is transversely formed in the arc surface in the groove of the semi-elliptical groove on the first concave installation seat (4), a second rope threading hole (31) which is coaxial with and communicated with the first rope threading hole (41) is formed in the periphery of the sleeve (3), a third rope threading hole (72) is vertically formed in the arc surface in the groove of the semi-elliptical groove on the second concave installation seat (71), a first rope groove (73) is transversely formed in the top surface of the transverse plate (7), a fourth rope threading hole (74) which is coaxial with and communicated with the third rope threading hole (72) is formed in the groove bottom surface of the first rope groove (73), a first rope pulley (75) is fixedly installed at the communication position of the first rope groove (73) and the fourth rope threading hole (74), a second rope pulley (33) is fixedly installed at the top end of the side wall of the sleeve (3) through a wheel carrier, a third rope wheel (36) is arranged above the second rope penetrating hole (31), the third rope wheel (36) is also fixedly arranged on the side wall of the inner hole of the sleeve (3) through a wheel carrier, bearings connected with the wheel carrier and a wheel shaft of the third rope wheel (36) are all torsion spring bearings, a first gear (34) is simultaneously and fixedly arranged on the wheel shaft of the third rope wheel (36), a first rack (23) is vertically and fixedly arranged on the top surface of the vertical shaft (2), the first rack (23) is meshed with the first gear (34), one end of a rope (8) is fixedly connected with a semi-elliptical lug of the first convex mounting seat (5), the other end of the rope (8) penetrates through the first rope penetrating hole (41), the second rope penetrating hole (31), the third rope wheel (36) is bypassed, the inner hole of the sleeve (3), the second rope wheel (33) is bypassed, the second rope groove (32), the first rope groove (73), the first rope wheel (75) is bypassed, the fourth rope penetrating hole (74) is passed, A third rope threading hole (72) is fixedly connected with a semi-elliptic convex block on a second convex mounting seat (71) finally, one side of a transverse plate (7) far away from the sleeve (3) is also provided with a jack (9), the bottom surface of the jack (9) is provided with a baffle groove (91), a baffle (92) is arranged in the baffle groove (91), one end of the baffle (92) far away from the sleeve (3) is hinged with the baffle groove (91) through a torsion spring, one side of the top surface of the baffle (92) close to the sleeve (3) is provided with teeth, the top surface in the hole of the jack (9) is provided with a gear groove (93), a second gear (94) is arranged in the gear groove (93), a wheel shaft at the rear side of the second gear (94) is connected with a bearing corresponding to the inner wall of the gear groove (93), a wheel shaft at the front side of the second gear (94) is fixedly connected with a wheel shaft of the first rope wheel (75), a microphone (95) is, a second rack (96) is fixedly arranged on the top surface of the periphery of the handle of the microphone (95), and the second rack (96) is meshed with the second gear (94).

2. The external video and audio input device mounted on a computer display of claim 1, wherein: articulated seat (14) are towards display screen (13) one side fixed mounting have horizontal pole (15), and horizontal pole (15) are articulated towards display screen (13) one end and are installed driving lever (16), and display screen (13) are towards driving lever (16) one side fixed mounting have U type seat (17) that the opening is ascending, and horizontal pole (15) one end is kept away from in driving lever (16) inserts U type seat (17) opening.

3. The external video and audio input device mounted on a computer display of claim 1, wherein: and a stop block (18) is fixedly arranged on the front side of the periphery of the support column (11).

4. The external video and audio input device mounted on a computer display of claim 1, wherein: the cord (8) is wound around the third sheave (36) and the first sheave (75) at least 3 turns.

5. The external video and audio input device mounted on a computer display of claim 1, wherein: microphone (95) are for taking battery and wireless connection function's wireless microphone certainly, and the handle afterbody of microphone (95) is equipped with the interface that charges, and the downthehole terminal surface of jack (9) is equipped with and charges interface assorted charging plug with microphone (95), and jack (9) inner wall covers has rubber materials.

6. The external video and audio input device mounted on a computer display of claim 1, wherein: a plurality of sliding blocks (24) are respectively and fixedly mounted on the periphery of the vertical shaft (2), a plurality of sliding grooves (35) are vertically formed in the inner hole of the sleeve (3), and the sliding blocks (24) are respectively in sliding fit with the corresponding sliding grooves (35).