Projector with adjustable angle

Abstract

The utility model relates to the technical field of projectors, in particular to an angle-adjustable projector. The projector body is arranged in the projector shell, and the two sides of the projector shell are connected with the support base through an adjusting mechanism in a rotatable angle adjusting mode. The adjusting mechanism comprises a shaft sleeve, a hollow connecting shaft and a connecting piece. The hollow connecting shaft is sleeved with the shaft sleeve and the connecting piece. The shaft sleeve is sleeved with a nut seat and arranged in the limiting groove, and the connecting piece is arranged in the positioning groove. One end of the hollow connecting shaft is provided with an annular stop block, the outer surface of the other end of the hollow connecting shaft is provided with external threads matched with the nut seat, and the end, provided with the external threads, of the hollow connecting shaft penetrates through the second through hole to be connected with the nut seat, so that the projector shell can rotate relative to the support base to adjust the angle. Therefore, the projector shell and the support base rotate through matching of the adjusting nut seat and the external threads of the hollow connecting shaft, the angle of the projector body can be adjusted, and a user can conveniently adjust a picture projected by the projector body to a proper height.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to a projector with adjustable angle. Background Art

[0002] The overall design of existing projectors is basically integrated, and most of them cannot adjust the up and down angles of projection according to actual usage needs. They can only form an angle suitable for the current playback by raising the bottom; or add an additional adjustable angle base at the bottom to meet some usage scenarios. The appearance is top-heavy, and the actual use is also restricted by the change of the center of gravity, which can only partially solve the problem of angle adjustment, thereby affecting the user experience of the projector. Utility Model Content

[0003] The utility model aims to provide a projector with adjustable angle, so as to solve the problem that the projection angle of the projector in the prior art is inconvenient to adjust.

[0004] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0005] The utility model provides an adjustable angle projector, comprising a projector body, a projector shell and a support base for driving the projector shell to adjust the angle, wherein the projector body is arranged in the projector shell, and the two sides of the projector shell are connected to the support base through an adjustment mechanism so as to be rotatable and adjustable in angle; the two sides of the projector shell are provided with a limiting groove having a first through hole, and the two sides of the support base are upwardly extended with a connecting bracket, the connecting bracket is provided with a positioning groove, and the positioning groove is provided with a second through hole; the adjustment mechanism comprises a sleeve, a hollow connecting shaft and a connecting piece, the sleeve and the connecting piece are sleeved on the hollow connecting shaft; the sleeve is sleeved with a nut seat, the sleeve is arranged in the limiting groove, and the connecting piece is arranged in the positioning groove; an annular stopper is arranged at one end of the hollow connecting shaft, and an external thread matched with the nut seat is arranged on the outer surface of the other end, at least one friction plate is arranged on the hollow connecting shaft between the nut seat and the connecting piece, and one end of the hollow connecting shaft with the external thread passes through the second through hole and is connected with the nut seat, so that the projector shell can be rotatably adjusted in angle relative to the support base.

[0006] Among them, the projector body includes a first PCB main board, a second PCB main board, a light generator, a focusing assembly, a heat dissipation device, a speaker and a support frame, the first PCB main board, the second PCB main board, the focusing assembly and the light generator are arranged on the top of the support frame, the heat dissipation device is arranged at the bottom of the support frame, and the speaker is arranged on one side of the support frame.

[0007] Among them, the first PCB main board is provided with a control button module, and the second PCB main board is provided with a correction sensor, a high-definition interface module and a USB interface module; the first PCB main board is electrically connected to the second PCB main board, the focusing assembly, the light generator and the speaker are respectively connected to the first PCB main board, and the light generator, the first PCB main board and the second PCB main board are respectively connected to the heat dissipation device.

[0008] Wherein, the heat dissipation device comprises a heat sink and a heat dissipation fan, and the heat dissipation fan is arranged on one side of the heat sink and corresponds to the position of the light generator.

[0009] Wherein, the projector shell includes a hollow shell, a front cover shell and a rear cover shell, the front cover shell is detachably arranged at the front end of the hollow shell, and the rear cover shell is detachably arranged at the rear end of the hollow shell; the front cover shell is provided with a projection light outlet and a through port, and the through port is provided with a lens; the lens of the light generator is embedded in the projection light outlet, a focusing knob port is provided on one side of the front cover shell, and the focusing knob member of the focusing assembly is located at the focusing knob port; the correction sensor is arranged at the through port; a plurality of air inlet mesh holes are provided at the bottom of the hollow shell corresponding to the positions of the radiator and the cooling fan; first groove strips are provided on both sides of the inner wall of the hollow shell, and a second groove strip is provided on the inner wall of the front cover shell, and the support frame is placed in the first groove strip and the second groove strip.

[0010] Among them, a cover plate is provided on the surface of the front cover shell, and the cover plate is fixedly connected to the front cover shell by a snap buckle, and the cover plate is provided with openings corresponding to the projection light outlet and the through port; the rear cover shell is provided with an air outlet, a USB interface, a high-definition interface, a light indication hole, a reset button hole, a speaker mesh hole and a button group hole, the control button module is located at the button group hole, the high-definition interface module is located at the high-definition interface, the USB interface module is located at the USB interface, the heat dissipation device is located at the air outlet, and the speaker is located at the speaker mesh hole.

[0011] Wherein, the hollow connecting shaft is provided with a first threading hole, and the inner side of the positioning groove is provided with a second threading hole.

[0012] Among them, the bracket base has a built-in circuit board and a battery, the battery is connected to the circuit board, the circuit board is provided with a charging interface, and the circuit board is electrically connected to the second PCB main board through a wire passing through the second threading hole, the first threading hole and the first through hole in sequence.

[0013] Among them, a removable top cover is provided on the top of the bracket base, a removable bottom cover is provided on the bottom of the bracket base, a charging slot is opened on one side of the bracket base, and the charging interface is located at the charging slot; a nut hole is provided at the bottom of the bracket base, and the nut hole is used for connecting an external fixed bracket seat.

[0014] Among them, a non-slip foot pad is provided at the bottom of the bracket base; and the bracket base is an overall U-shaped structure.

[0015] In the angle-adjustable projector of the utility model, since the two sides of the projector housing are provided with limiting grooves, the shaft sleeve and the connecting piece are sleeved on the hollow connecting shaft, the shaft sleeve is arranged in the limiting groove to play a fixing role, the shaft sleeve is sleeved with a nut seat, and the connecting brackets extending upward on both sides of the bracket base are provided with positioning grooves with second through holes, the connecting piece is arranged in the positioning grooves, one end of the hollow connecting shaft is provided with an annular stopper, and the outer surface of the other end is provided with an external thread, and the end of the hollow connecting shaft with the external thread passes through the second through hole and is connected with the nut seat, so that the projector housing can be rotated to adjust the angle relative to the bracket base; therefore, the angle of the projector body can be adjusted by adjusting the nut seat and the external thread of the hollow connecting shaft between the projector housing and the bracket base, so that the user can adjust the picture projected by the projector body to a suitable height; thus, the angle of the projector can be adjusted according to the actual use situation, so as to match the actual use situation and facilitate adjustment, thereby giving the user a good viewing experience and improving the stability of the projector. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the angle-adjustable projector provided in an embodiment of the utility model.

[0017] Figure 2 It is a structural schematic diagram of a projector body of an angle-adjustable projector provided in an embodiment of the utility model.

[0018] Figure 3 It is a structural schematic diagram of a support base of an angle-adjustable projector provided in an embodiment of the utility model.

[0019] Figure 4 It is a structural schematic diagram of an adjustment mechanism of an angle-adjustable projector provided in an embodiment of the utility model.

[0020] Figure 5 It is a structural schematic diagram of a projector housing of an angle-adjustable projector provided in an embodiment of the utility model.

[0021] Figure 6It is a structural schematic diagram of a first PCB main board and a second PCB main board of an angle-adjustable projector provided in an embodiment of the utility model.

[0022] Figure 7 It is a stereoscopic diagram of an angle-adjustable projector provided in an embodiment of the utility model. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and beneficial effects of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0024] In order to illustrate the technical solution of the present invention, specific embodiments are provided below for illustration.

[0025] See also Figures 1 to 7The angle-adjustable projector 100 provided by the embodiment of the utility model comprises a projector housing 10, a projector body 20 arranged on the projector housing 10, and a bracket base 30 capable of driving the projector housing 10 to adjust the angle. The two sides of the projector housing 10 are connected to the bracket base 30 by an adjustment mechanism 40 so as to be rotatable and adjustable in angle. The two sides of the projector housing 10 are provided with a limiting groove 14 having a first through hole 111. The two sides of the bracket base 30 are provided with a connecting bracket 31 extending upwardly. The connecting bracket 31 is provided with a positioning groove 311. The positioning groove 311 is provided with a cover shell 313. The cover shell 313 is detachably covered on the positioning groove 311. The positioning groove 311 is provided with a second through hole 312. The adjustment mechanism 40 comprises a shaft sleeve 43, a hollow connecting shaft 41 and a connecting member 42. The shaft sleeve 43 and the connecting member 42 are sleeved on the hollow connecting shaft 41. The periphery of the hollow connecting shaft 41 is transversely provided with at least one first flat surface 411, and the inner wall of the connecting member 42 is provided with a second flat surface 421 matching the first flat surface 411; the shaft sleeve 43 is sleeved with a nut seat 44, the shaft sleeve 43 is arranged in the limiting groove 14, and the connecting member 42 is fixed in the positioning groove 311 by means of screws or latches; one end of the hollow connecting shaft 41 is provided with an annular stopper 45, and the outer surface of the other end is provided with an external thread 46 matching the nut seat 44, and at least one friction plate 47 is provided on the hollow connecting shaft 41 between the nut seat 44 and the connecting member 42, and the friction plate 47 can provide a certain rotational torque, and one end of the hollow connecting shaft 41 with the external thread 46 passes through the second through hole 312 and is connected to the nut seat 44, so that the projector housing 10 can be rotated relative to the bracket base 30 to adjust the angle. Therefore, the angle of the projector body 20 can be adjusted by adjusting the nut seat 44 between the projector housing 10 and the bracket base 30 to cooperate with the rotation of the external thread 46 of the hollow connecting shaft 41, so that the user can adjust the image projected by the projector body 20 to a suitable height.

[0026] In an embodiment of the utility model, the projector body 20 includes a support frame 26, and a first PCB main board 21, a second PCB main board 22, a light generator 23, a focusing assembly 232 and a heat dissipation device 24 installed above the support frame. A speaker 25 is provided on one side of the support frame 26. The first PCB main board 21, the second PCB main board 22, the light generator 23, the heat dissipation device 24, the focusing assembly 232 and the speaker 25 are respectively connected to the support frame 26 through copper columns and are placed in the projector housing 10.

[0027] In the embodiment of the utility model, the first PCB main board 21 is provided with a control button module 211, and the second PCB main board 22 is provided with a calibration sensor 221, a high-definition interface module 222, and a USB interface module 223; the first PCB main board 21 is electrically connected to the second PCB main board 22, the focus assembly 232, the light generator 23, and the speaker 25 are respectively connected to the first PCB main board 21, and the light generator 23, the first PCB main board 21, and the second PCB main board 22 are respectively connected to the heat dissipation device 24; the heat dissipation device 24 includes a heat sink 241 and a heat dissipation fan 242, the heat dissipation fan 242 is arranged on one side of the heat sink 241, and the heat dissipation fan 242 is located below the light generator 23, which helps to discharge the heat of the light generator 23. The heat emitted by the light generator 23 and the heat sink 241 is discharged from the air outlet through the heat dissipation fan 242, and the heat dissipation is dissipated by exhausting air, thereby improving the heat dissipation efficiency and avoiding the use being affected by the excessively high temperature inside the projector housing 10.

[0028] In the embodiment of the utility model, the projector housing 10 includes a hollow housing 11, a front cover 12 and a rear cover 13, wherein the front cover 12 is detachably arranged at the front end of the hollow housing 11, and the rear cover 13 is detachably arranged at the rear end of the hollow housing 11; the front cover 12 is provided with a projection light outlet 121 and a through port 122, and the through port 122 is provided with a lens; the lens 231 of the light generator is embedded in the projection light outlet 121, and a detachable focusing knob port is provided on one side of the front cover 12 124, the focusing knob of the focusing assembly 232 is located at the focusing knob opening 124; the correction sensor 221 is arranged at the through opening 122; a plurality of air inlet mesh holes 112 are provided at the bottom of the hollow shell 11 corresponding to the positions of the radiator 241 and the cooling fan 242; first groove strips 113 are provided on both sides of the inner wall of the hollow shell 11, and a second groove strip 125 is provided on the inner wall of the front cover shell 12, and the support frame 26 is placed in the first groove strip 113 and the second groove strip 125.

[0029] In the embodiment of the utility model, the surface of the front cover shell 12 is provided with a cover plate 123, and the cover plate 123 is fixedly connected to the front cover shell 11 by a buckle, and the cover plate 123 is provided with openings 126 at the positions corresponding to the projection light outlet 121 and the through hole 122; the surface of the rear cover shell 13 is provided with a mesh cover 131, and the mesh cover 131 is fixedly connected to the rear cover shell 13 by a buckle; the rear cover shell 13 is provided with an air outlet 132, a USB interface 133, a high-definition interface 137, a light The light indication hole, the reset button hole 138, the speaker mesh hole 134 and the button group hole 135, and the air outlet 132 help to discharge the heat emitted by the light generator 23 and the heat sink 241; the control button module 211 is located at the button group hole 135, the high-definition interface module is located at the high-definition interface 222, the USB interface module is located at the USB interface 223, the heat sink 24 is located at the air outlet 132, and the speaker 25 is located at the speaker mesh hole 134. The mesh cover 131 is provided with an opening 136 at the position corresponding to the button group hole 135, the USB interface 133, the high-definition interface 137, the light indication hole and the reset button hole 138.

[0030] In the embodiment of the utility model, the hollow connecting shaft 41 is provided with a first threading hole 412, and the inner side of the positioning groove 311 is provided with a second threading hole 314. The bracket base 30 has a built-in battery 33 and a circuit board 34. The battery 33 is connected to the circuit board 34. The circuit board 34 passes through the second threading hole 314, the first threading hole 412 and the first through hole 111 in sequence through a wire to be electrically connected to the second PCB main board 22, thereby effectively storing the wire.

[0031] In the embodiment of the utility model, the circuit board 34 is provided with a charging interface 341, the top of the bracket base 30 is provided with a removable top cover 301, the bottom of the bracket base 30 is provided with a removable bottom cover 302, and a charging slot 303 is opened on one side of the bracket base 30, and the charging interface 341 is located at the charging slot 303; a nut hole 304 is provided at the bottom of the bracket base 30, and the nut hole 304 is used for connecting an external fixed bracket seat (not shown) to further fix the projector 100.

[0032] In the embodiment of the utility model, a non-slip foot pad 32 is provided at the bottom of the bracket base 30 to effectively prevent the bracket base 30 from moving; the bracket base 30 is an overall U-shaped structure.

[0033] The angle-adjustable projector provided by the utility model can adjust the angle of the projector according to actual usage conditions to match the actual usage conditions and facilitate adjustment, thereby giving the user a good viewing experience and improving the stability of the projector.

[0034] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An angle-adjustable projector, characterized in that: The utility model comprises a projector body, a projector shell and a support base for driving the projector shell to adjust the angle, wherein the projector body is arranged in the projector shell, and the two sides of the projector shell are connected to the support base for rotatable adjustment of the angle through an adjustment mechanism; the two sides of the projector shell are provided with a limiting groove with a first through hole, and the two sides of the support base are extended upwardly with a connecting bracket, the connecting bracket is provided with a positioning groove, and the positioning groove is provided with a second through hole; the adjustment mechanism comprises a sleeve, a hollow connecting shaft and a connecting member, the sleeve and the connecting member are sleeved on the hollow connecting shaft; the sleeve is sleeved with a nut seat, the sleeve is arranged in the limiting groove, and the connecting member is arranged in the positioning groove; an annular stopper is arranged at one end of the hollow connecting shaft, and an external thread matching with the nut seat is arranged on the outer surface of the other end, and at least one friction plate is arranged on the hollow connecting shaft between the nut seat and the connecting member, and one end of the hollow connecting shaft with an external thread passes through the second through hole and is connected with the nut seat, so that the projector shell can be rotatably adjusted relative to the support base.

2. The angle-adjustable projector according to claim 1, characterized in that: The projector body includes a first PCB main board, a second PCB main board, a light generator, a focusing assembly, a heat dissipation device, a speaker and a support frame. The first PCB main board, the second PCB main board, the focusing assembly and the light generator are arranged on the top of the support frame, the heat dissipation device is arranged at the bottom of the support frame, and the speaker is arranged on one side of the support frame.

3. The angle-adjustable projector according to claim 2, characterized in that: The first PCB main board is provided with a control button module, and the second PCB main board is provided with a correction sensor, a high-definition interface module and a USB interface module; the first PCB main board is electrically connected to the second PCB main board, the focusing assembly, the light generator and the speaker are respectively connected to the first PCB main board, and the light generator, the first PCB main board and the second PCB main board are respectively connected to the heat dissipation device.

4. The angle-adjustable projector according to claim 3, characterized in that: The heat dissipation device comprises a heat sink and a heat dissipation fan. The heat dissipation fan is arranged on one side of the heat sink and corresponds to the position of the light generator.

5. The angle-adjustable projector according to claim 4, characterized in that: The projector shell includes a hollow shell, a front cover shell and a rear cover shell, the front cover shell is detachably arranged at the front end of the hollow shell, and the rear cover shell is detachably arranged at the rear end of the hollow shell; the front cover shell is provided with a projection light outlet and a through port, and the through port is provided with a lens; the lens of the light generator is embedded in the projection light outlet, a focusing knob port is provided on one side of the front cover shell, and the focusing knob member of the focusing assembly is located at the focusing knob port; the correction sensor is arranged at the through port; a plurality of air inlet mesh holes are provided at the bottom of the hollow shell corresponding to the positions of the radiator and the cooling fan; first groove strips are provided on both sides of the inner wall of the hollow shell, and a second groove strip is provided on the inner wall of the front cover shell, and the support frame is placed in the first groove strip and the second groove strip.

6. The angle-adjustable projector according to claim 5, characterized in that: A cover plate is provided on the surface of the front cover shell, and the cover plate is fixedly connected to the front cover shell by snaps, and the cover plate is provided with openings corresponding to the projection light outlet and the through port; the rear cover shell is provided with an air outlet, a USB interface, a high-definition interface, a light indication hole, a reset button hole, a speaker mesh hole and a button group hole, the control button module is located at the button group hole, the high-definition interface module is located at the high-definition interface, the USB interface module is located at the USB interface, the heat dissipation device is located at the air outlet, and the speaker is located at the speaker mesh hole.

7. The angle-adjustable projector according to claim 3, characterized in that: The hollow connecting shaft is provided with a first threading hole, and the inner side of the positioning groove is provided with a second threading hole.

8. The angle-adjustable projector according to claim 7, characterized in that: The bracket base has a built-in circuit board and a battery, the battery is connected to the circuit board, the circuit board is provided with a charging interface, and the circuit board is electrically connected to the second PCB main board by a wire passing through the second threading hole, the first threading hole and the first through hole in sequence.

9. The angle-adjustable projector according to claim 8, characterized in that: A removable top cover is provided on the top of the bracket base, a removable bottom cover is provided on the bottom of the bracket base, a charging slot is provided on one side of the bracket base, and the charging interface is located at the charging slot; a nut hole is provided at the bottom of the bracket base, and the nut hole is used for connecting an external fixed bracket seat.

10. The angle-adjustable projector according to claim 9, characterized in that: The bottom of the support base is provided with an anti-skid pad; the support base is in a U-shaped structure as a whole.

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