Projector external zoom device and projector

Abstract

The utility model relates to the technical field of projectors, in particular to a projector external zoom device and a projector, the projector external zoom device comprises a mounting plate body, the mounting plate body comprises a plate body and an upper connecting plate which are vertically connected, the plate body and the upper connecting plate form an L-shaped structure, the outer side of the plate body is connected with a butt-joint frame, and the butt-joint frame is connected with the upper connecting plate. According to the utility model, through the arrangement of the L-shaped structure of the mounting plate body, the projector external zoom device can be connected with the projector body in a matched manner, stable mounting of the external zoom lens is realized, the external zoom lens can be prevented from falling off in the use process, and the projector external zoom device is convenient to use. And the overall structure is kept attractive.

Description

Technical Field

[0001] The utility model relates to the technical field of projectors, in particular to an external zoom device for a projector and a projector. Background Art

[0002] Projectors are widely used in homes, offices, schools and entertainment venues. According to different working modes, there are different types such as CRT, LCD, DLP, 3LCD, etc., which can project images or videos onto a screen. They can be connected to computers, VCD, DVD, BD, game consoles, DV, etc. through different interfaces to play corresponding video signals. The Chinese utility model with the patent number "CN219552820U" and the name "A projector external zoom device" discloses "including a zoom lens and a fixing mechanism. The connection end of the zoom device is provided with a fixing mechanism connected to the projection end of the projector. The fixing mechanism includes a connecting rod, a fixing plate, a spring, a clamping plate, a pad and a limiting rod. The fixing plates that are inserted into the position of the outer wall of the projector are installed on both sides of the outer wall of the zoom lens through a connecting rod, and the opposite sides of the surface of the fixing plate are movably connected with clamping plates that are attached to the outer wall of the projector through a spring". The clamping plate is adjusted by adjusting the limiting rod to abut against the side of the projector for clamping, but this structure is not beautiful to install and the installation effect is not good.

[0003] Therefore, a projector external zoom device and a projector are needed to improve the above problems. Utility Model Content

[0004] In order to solve the technical problems that the existing projector zoom device has poor installation effect and unsightly appearance structure, the utility model provides an external projector zoom device and a projector.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A projector external zoom device, characterized in that it includes a mounting plate body, the mounting plate body includes a vertically connected plate body and an upper connecting plate, the plate body and the upper connecting plate are in an L-shaped structure, the outer side of the plate body is connected to a docking frame, and the docking frame is provided with a detachably mounted zoom lens.

[0007] Preferably, a fixedly connected convex ring is provided on a side of the plate body away from the zoom lens, a plurality of mounting grooves are provided on the outer side of the convex ring, and elastic abutting members are installed in the mounting grooves.

[0008] Preferably, the elastic abutment member is a metal spring sheet, and the middle portion of the metal spring sheet is arched outwards in an arc shape.

[0009] Preferably, the upper connecting plate is provided with an adjusting knob, an adjusting column and a suction cup, the adjusting column passes through the upper connecting plate, one end of the adjusting column is spirally connected to the adjusting knob, and the other end is fixedly connected to the suction cup.

[0010] Preferably, a magnetic strip is also embedded on the inner side of the bottom of the plate.

[0011] In order to solve the above-mentioned technical problems, the utility model provides another technical solution as follows: a projector, comprising the above-mentioned external zoom device of the projector and a projector body, the external zoom device of the projector is installed on the projection port of the projector body, the projection port is installed and connected with the convex ring, and at least one docking groove is formed on the top of the projector body, and the bottom of the suction cup cooperates with the docking groove to realize adsorption connection.

[0012] Preferably, a magnetic strip is further provided on the front end surface of the projector body, the position of the magnetic strip corresponds to that of the metal strip, and the magnetic strip cooperates with the metal strip to realize a magnetic connection.

[0013] By implementing the above technical scheme, the following technical effects are achieved: the utility model provides a projector external zoom device and a projector body. The projector external zoom device is equipped with an L-shaped structure of a mounting plate, so that the projector external zoom device and the projector body can be matched and connected, thereby achieving stable installation of the external zoom lens, avoiding the external zoom lens from falling during use, and maintaining the overall structure beautiful. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the external zoom device of the projector in the first embodiment of the utility model;

[0015] Figure 2 It is a side structural diagram of the external zoom device of the projector in the first embodiment of the utility model;

[0016] Figure 3 It is a structural schematic diagram of a projector in a second embodiment of the utility model;

[0017] Figure 4 It is a side view schematic diagram of the connection between the external zoom device of the projector and the projector body in the second embodiment of the utility model.

[0018] Description of the accompanying drawings:

[0019] 1. Plate body; 2. Upper connecting plate; 3. Adjustment knob; 4. Docking frame; 5. Zoom lens; 6. Adjustment column; 7. Suction cup; 8. Raised ring; 9. Mounting groove; 10. Elastic abutment; 11. Magnetic strip; 12. Metal strip; 13. Projector body; 14. Projection port; 15. Docking groove. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below with reference to the accompanying drawings and implementation examples. 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.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be an intermediate element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be an intermediate element at the same time.

[0022] In the present invention, the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inside", "outside", "middle", etc. are based on the directions or positional relationships shown in the drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have specific directions, or to be constructed and operated in specific directions.

[0023] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in this utility model can be understood according to specific circumstances.

[0024] In addition, the terms "installed", "set", "provided with", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this utility model can be understood according to specific circumstances.

[0025] Please refer to Figure 1-2 The utility model provides an external zoom device for a projector, including a mounting plate body, including a vertically connected plate body 1 and an upper connecting plate 2, the plate body 1 and the upper connecting plate 2 are in an L-shaped structure, a docking frame 4 is connected to the outer side of the plate body 1, and the docking frame 4 is provided with a detachably mounted zoom lens 5.

[0026] On the basis of the above embodiments, in other embodiments, further, a fixedly connected protrusion 8 is provided on one side of the plate body 1 away from the zoom lens 5, a plurality of mounting grooves 9 are provided on the outer side of the protrusion 8, and an elastic abutment member 10 is installed in the mounting groove 9. Due to the structural setting of the protrusion 8, the installation of the projector and the zoom device is more stable.

[0027] On the basis of the above embodiments, in other embodiments, further, the elastic abutment member 10 is a metal spring sheet, and the middle part of the metal spring sheet is arched outwards in an arc shape.

[0028] On the basis of the above embodiments, in other embodiments, the upper connecting plate 2 is further provided with an adjusting knob 3, an adjusting column 6 and a suction cup 7, the adjusting column 6 passes through the upper connecting plate 2, one end of the adjusting column 6 is spirally connected to the adjusting knob 3, and the other end is fixedly connected to the suction cup 7, so that the upper connecting plate 2 can also be connected with the projector, and the zoom device is further fixed.

[0029] Optionally, at least one adjusting knob 3 , adjusting column 6 and suction cup 7 are provided on the upper connecting plate 2 , and the numbers thereof match. In the present embodiment, two adjusting knobs 3 , two adjusting columns 6 and suction cup 7 are provided respectively.

[0030] On the basis of the above embodiments, in other embodiments, further, a magnetic strip 11 is embedded on the inner side of the bottom of the plate body 1 .

[0031] Therefore, an external zoom device for a projector provided by an embodiment of the utility model is provided with an L-shaped structure of the mounting plate, so that the external zoom device for the projector can better cooperate with the structure of the projector body, thereby realizing stable installation of the external zoom lens of the projector, and preventing the external zoom lens from falling during use. At the same time, the overall structure of the projector is kept beautiful. On the other hand, the zoom lens 5 is disassembled and can be easily disassembled and stored.

[0032] Further reading Figure 3-4 The second embodiment of the utility model further provides a projector, including the external zoom device of the projector and the projector body 13 described in the first embodiment above, the external zoom device of the projector is installed on the projection port 14 of the projector body 13, the projection port is installed and connected with the convex ring 8, and at least one docking groove 15 is also opened on the top of the projector body 13, and the bottom of the suction cup 7 cooperates with the docking groove 14 to realize adsorption connection.

[0033] Therefore, the user can rotate the adjustment knob 3 to adjust the height of the suction cup 7 through the adjustment column 6, and achieve a stable connection by adsorbing the suction cup 7 and the mounting surface of the docking groove 15. On the other hand, after the suction cup is adsorbed and connected, the adjustment column 6 enters the interior of the docking groove 15 for insertion and limiting fixation.

[0034] In the above-mentioned second embodiment, in other embodiments, further, a magnetic strip 11 is provided on the front end surface of the projector body 13, and the positions of the magnetic strip 11 and the metal strip 12 correspond to each other. The magnetic strip 11 cooperates with the metal strip 12 to realize magnetic connection and positioning, thereby further ensuring the stable connection of the external zoom device of the projector.

[0035] By implementing the above technical scheme, the following technical effects are achieved: the utility model provides a projector external zoom device and a projector body. The projector external zoom device is equipped with an L-shaped structure of a mounting plate, so that the projector external zoom device and the projector body can be matched and connected, thereby achieving stable installation of the external zoom lens, avoiding the external zoom lens from falling during use, and maintaining the overall structure beautiful.

[0036] The above is a detailed introduction to a projector external zoom device and a projector provided in an embodiment of the utility model. For a person skilled in the art, according to the idea of ​​the embodiment of the utility model, there may be changes in the specific implementation method and application scope. In summary, the content of this specification should not be understood as a limitation on the utility model.

Claims

1. A projector external zoom device, characterized in that: The invention comprises a mounting plate body, wherein the mounting plate body comprises a plate body (1) and an upper connecting plate (2) which are vertically connected, wherein the plate body (1) and the upper connecting plate are in an L-shaped structure, and a docking frame (4) is connected to the outer side of the plate body (1), and the docking frame (4) is provided with a detachably mounted zoom lens (5).

2. The external zoom device for a projector according to claim 1, characterized in that: A fixedly connected convex ring (8) is provided on one side of the plate body (1) away from the zoom lens (5), a plurality of mounting grooves (9) are provided on the outer side of the convex ring (8), and elastic abutment members (10) are installed in the mounting grooves (9).

3. The external zoom device for a projector according to claim 2, characterized in that: The elastic abutment member is a metal spring sheet, and the middle portion of the metal spring sheet is arched outwards in an arc shape.

4. The external zoom device for a projector according to claim 3, characterized in that: The upper connecting plate (2) is provided with an adjusting knob (3), an adjusting column (6) and a suction cup (7); the adjusting column (6) passes through the upper connecting plate (2); one end of the adjusting column (6) is screw-connected to the adjusting knob (3), and the other end is fixedly connected to the suction cup (7).

5. The external zoom device for a projector according to claim 4, characterized in that: A magnetic strip (11) is also embedded on the inner side of the bottom of the plate body (1).

6. A projector, comprising the external zoom device of the projector as claimed in claim 5 and a projector body (13), characterized in that: The projector external zoom device is installed on a projection port (14) of a projector body (13), and the projection port is installed and connected in cooperation with the convex ring (8). The top of the projector body (13) is also provided with at least one docking groove (15), and the bottom of the suction cup (7) cooperates with the docking groove (15) to achieve adsorption connection.

7. The projector according to claim 6, characterized in that: The front end surface of the projector body (13) is also provided with a magnetic strip (11) and a metal strip (12); the positions of the magnetic strip (11) and the metal strip (12) correspond to each other, and the magnetic strip (11) and the metal strip (12) cooperate to achieve a magnetic connection.

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