CN209977641U

CN209977641U - Base adjusting mechanism and projector

Info

Publication number: CN209977641U
Application number: CN201920428816.2U
Authority: CN
Inventors: 王强; 陈龙; 黄键
Original assignee: Wuxi Seemile Laser Display Technology Co Ltd
Current assignee: Wuxi Seemile Laser Display Technology Co Ltd
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-21
Anticipated expiration: 2029-03-29

Abstract

The utility model provides a base adjustment mechanism and projector, wherein, base adjustment mechanism includes: the bottom of the shell is provided with a mounting hole, and the side surface of the shell is provided with an adjusting hole; the screw rod penetrates through the mounting hole; the base is fixedly connected with one end of the screw rod, which extends out of the shell; at least part of the adjusting mechanism is pivotally arranged at the adjusting hole, and one end of the screw rod, which is positioned in the shell, is in threaded connection with the adjusting mechanism; so that the screw rod drives the base to move along the vertical direction by rotating the adjusting mechanism, and the relative positions of the base and the shell in the vertical direction are adjusted. The utility model provides an among the prior art when adjusting the relative position of base and shell the problem that wastes time and energy.

Description

Base adjusting mechanism and projector

Technical Field

The utility model relates to a technical field is adjusted to the base, particularly, relates to a base adjustment mechanism and projector.

Background

The projector generally includes a housing and a base connected to the housing, and the relative positions of the base and the housing in the vertical direction are adjusted, so as to adjust the overall height of the projector and simultaneously achieve the function of partial trapezoidal correction.

However, when the relative position of the base and the housing in the vertical direction is adjusted, the projector in the prior art needs to be lifted up, and a hand is inserted into the bottom of the projector to be adjusted, which is troublesome and laborious.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a base adjustment mechanism and a projector to solve the problems of time and energy consumption in the prior art when adjusting the relative positions of the base and the housing.

In order to achieve the above object, according to an aspect of the present invention, there is provided a base adjustment mechanism, including: the bottom of the shell is provided with a mounting hole, and the side surface of the shell is provided with an adjusting hole; the screw rod penetrates through the mounting hole; the base is fixedly connected with one end of the screw rod, which extends out of the shell; at least part of the adjusting mechanism is pivotally arranged at the adjusting hole, and one end of the screw rod, which is positioned in the shell, is in threaded connection with the adjusting mechanism; so that the screw rod drives the base to move along the vertical direction by rotating the adjusting mechanism, and the relative positions of the base and the shell in the vertical direction are adjusted.

Further, the adjustment mechanism includes: the screw rod is in threaded connection with the first bevel gear through the threaded mounting hole; the axis of the second bevel gear is vertical to the axis of the first bevel gear, and the second bevel gear is meshed with the first bevel gear; the adjusting shaft is pivotally arranged at the adjusting hole, one end of the adjusting shaft is fixedly connected with the second bevel gear, and the other end of the adjusting shaft extends out of the shell to serve as an adjusting operation end; so as to adjust the relative positions of the base and the housing in the vertical direction by rotating the adjustment shaft.

Furthermore, the adjusting mechanism also comprises an operating rotating wheel, and the operating rotating wheel is fixedly connected with the other end of the adjusting shaft.

Further, the adjustment mechanism includes: the operation straight gear is provided with a thread assembling hole extending along the axial direction of the operation straight gear, the screw is in threaded connection with the operation straight gear through the thread assembling hole, the operation straight gear is pivotally arranged at the adjusting hole, and part of the operation straight gear extends out of the shell to serve as an adjusting operation end; the screw rod is driven to move along the vertical direction by rotating the adjusting operation end so as to adjust the relative position of the base and the shell in the vertical direction.

Further, the adjustment mechanism includes: the screw rod is in threaded connection with the first straight gear through the threaded connecting hole; the second straight gear is pivotally arranged at the adjusting hole and is meshed with the first straight gear, and part of the second straight gear extends out of the shell to be used as an adjusting operation end; the screw rod is driven to move along the vertical direction by rotating the adjusting operation end so as to adjust the relative position of the base and the shell in the vertical direction.

Further, the rotating shaft of the second spur gear is positioned in the shell.

Further, the adjustment mechanism includes: and the transmission gear is arranged between the first straight gear and the second straight gear and is meshed with the first straight gear and the second straight gear.

Furthermore, a plurality of mounting holes are formed in the bottom of the shell at intervals, a plurality of screws are arranged, and the plurality of screws and the plurality of mounting holes are arranged in a one-to-one correspondence manner; the base is provided with a plurality of bases, and the bases are correspondingly connected with the screw rods one by one; a plurality of regulation holes that set up around the circumference interval of shell are seted up to the side of shell, and adjustment mechanism is a plurality of, and a plurality of adjustment mechanism set up with a plurality of regulation hole one-to-ones.

Further, the mounting hole is a light hole.

According to another aspect of the present invention, a projector is provided, which includes the above-mentioned base adjusting mechanism.

Use the technical scheme of the utility model, a base adjustment mechanism is provided, has seted up the regulation hole in the side of shell, but at least partial adjustment mechanism pivot ground sets up in regulation hole department, can rotate for the shell through the adjustment mechanism drive screw who is located the shell side, and the screw rod pivoted drives the base and removes along vertical direction simultaneously to adjust base and shell at the ascending relative position of vertical side. The projector that this application provided includes the base adjustment mechanism that this application provided, can adjust the relative position between base and the shell through the adjustment mechanism who is located the outside side of shell to need not lift the projector whole, and then make the altitude mixture control of projector more convenient, labour saving and time saving more.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural diagram of a base adjustment mechanism according to a first embodiment of the present invention;

fig. 2 shows a schematic structural diagram of a base adjustment mechanism according to a third embodiment of the present invention.

Wherein the figures include the following reference numerals:

10. a housing; 11. mounting holes; 12. an adjustment hole; 20. a screw; 30. a base; 40. an adjustment mechanism; 41. a first bevel gear; 411. a threaded mounting hole; 42. a second bevel gear; 43. an adjustment shaft; 44. operating the rotating wheel; 45. a first straight gear; 451. connecting a threaded hole; 46. a second spur gear.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In order to solve the problem that wastes time and energy when adjusting the relative position of base and shell among the prior art, the utility model provides a base adjustment mechanism and projector. The projector comprises the base adjusting mechanism, the height of the projector can be adjusted through the base adjusting mechanism, and meanwhile, partial trapezoidal correction function is achieved.

Example one

The base adjusting mechanism comprises a shell 10, a screw rod 20, a base 30 and an adjusting mechanism 40, wherein a mounting hole 11 is formed in the bottom of the shell 10, an adjusting hole 12 is formed in the side face of the shell 10, the screw rod 20 penetrates through the mounting hole 11, the base 30 is fixedly connected with one end, extending out of the shell 10, of the screw rod 20, at least part of the adjusting mechanism 40 is pivotally arranged at the adjusting hole 12, and one end, located in the shell 10, of the screw rod 20 is in threaded connection with the adjusting mechanism 40; so that the screw 20 drives the base 30 to move in the vertical direction by rotating the adjusting mechanism 40, and the relative position of the base 30 and the housing 10 in the vertical direction is adjusted.

In the application, a base adjusting mechanism is provided, an adjusting hole 12 is opened on a side surface of the housing 10, at least a part of the adjusting mechanism 40 is pivotally disposed at the adjusting hole 12, the screw 20 can be driven to rotate relative to the housing 10 by the adjusting mechanism 40 located on the side surface of the housing 10, and the screw 20 drives the base 30 to move along the vertical direction while rotating, so as to adjust the relative position of the base 30 and the housing 10 in the vertical direction. The projector that this application provided includes the base adjustment mechanism that this application provided, can adjust the relative position between base 30 and the shell 10 through the adjustment mechanism 40 that is located the outside side of shell 10 to need not lift the projector whole, and then make the altitude mixture control of projector more convenient, labour saving and time saving more.

In the embodiment not shown in the drawings of the present application, the bottom of the housing 10 is provided with a plurality of mounting holes 11 arranged at intervals, a plurality of screws 20 are provided, and the plurality of screws 20 and the plurality of mounting holes 11 are arranged in a one-to-one correspondence manner; the number of the bases 30 is multiple, and the multiple bases 30 are correspondingly connected with the multiple screw rods 20 one by one; a plurality of regulation holes 12 that set up around the circumference interval of shell 10 are seted up to the side of shell 10, and adjustment mechanism 40 is a plurality of, and a plurality of adjustment mechanism 40 set up with a plurality of regulation holes 12 one-to-one. Thus, one or more of the plurality of adjustment mechanisms 40 can be selected to adjust the position of the plurality of pedestals 30 located at the bottom of the housing 10, thereby allowing the pedestal adjustment mechanism provided herein to accommodate uneven ground or to tilt the housing 10 at a set angle relative to the ground.

As shown in fig. 1, in the first embodiment of the present application, the adjusting mechanism 40 includes a first bevel gear 41, a second bevel gear 42 and an adjusting shaft 43, the first bevel gear 41 is provided with a threaded mounting hole 411 extending along an axial direction thereof, the screw 20 is in threaded connection with the first bevel gear 41 through the threaded mounting hole 411, an axis of the second bevel gear 42 is perpendicular to an axis of the first bevel gear 41, the second bevel gear 42 is engaged with the first bevel gear 41, the adjusting shaft 43 is pivotally disposed at the adjusting hole 12, one end of the adjusting shaft 43 is fixedly connected with the second bevel gear 42, and the other end of the adjusting shaft 43 extends out of the housing 10 to serve as an adjusting operation end; to adjust the relative positions of the base 30 and the housing 10 in the vertical direction by rotating the adjustment shaft 43. Thus, when the relative position between the base 30 and the housing 10 needs to be adjusted, an operator rotates the adjusting shaft 43 located outside the housing 10, the adjusting shaft 43 drives the second bevel gear 42 fixedly connected therewith to rotate, the second bevel gear 42 drives the first bevel gear 41 engaged therewith to rotate, and since the first bevel gear 41 and the second bevel gear 42 do not move relative to the housing 10 in the vertical direction, correspondingly, when the second bevel gear 42 rotates, the screw 20 in threaded engagement therewith drives the base 30 connected therewith to synchronously rotate and move in the vertical direction, so that the base 30 moves in a direction away from or close to the housing 10, and the overall height between the base 30 and the housing 10 is adjusted. And when the base 30 is placed on the ground, the housing 10 is moved upward or downward in a vertical direction with respect to the ground, thereby achieving the height of the housing 10 by rotating the adjustment shaft 43.

When the projector provided by the present application includes the base adjustment mechanism of the first embodiment, the overall height of the projector can be adjusted by rotating the adjustment shaft 43.

As shown in fig. 1, the adjusting mechanism 40 further includes an operating wheel 44, and the operating wheel 44 is fixedly connected to the other end of the adjusting shaft 43. To further facilitate adjustment of the base adjustment mechanism and to enhance the operational feel of the adjustment mechanism 40, an operating wheel 44 is provided as the adjustment operating end. When the relative position between the base 30 and the housing 10 needs to be adjusted, the operator rotates the operating wheel 44, and the adjusting shaft 43 is driven to rotate by the operating wheel 44.

Example two

In a second embodiment of the present application, which is not shown in the drawings, the difference from the first embodiment is that the adjusting mechanism 40 includes an operation spur gear, the operation spur gear is provided with a threaded assembly hole extending along an axial direction of the operation spur gear, the screw 20 is in threaded connection with the operation spur gear through the threaded assembly hole, the operation spur gear is pivotally arranged at the adjusting hole 12, and part of the operation spur gear extends out of the housing 10 to serve as an adjusting operation end; the screw bar 20 is driven to move in the vertical direction by rotating the adjustment operating end to adjust the relative positions of the base 30 and the housing 10 in the vertical direction.

The base adjustment mechanism that this application embodiment two provided's structure is comparatively simple, can reduce base adjustment mechanism's manufacturing cost. Specifically, the operation spur gear located at the adjusting hole 12 is rotated, the operation spur gear drives the screw 20 to rotate, and the screw 20 drives the base 30 to synchronously rotate and move relative to the housing 10 in the vertical direction, so that the adjustment of the relative position between the base 30 and the housing 10 is realized.

EXAMPLE III

The third embodiment is different from the first embodiment in that, as shown in fig. 2, the adjusting mechanism 40 includes a first spur gear 45 and a second spur gear 46, the first spur gear 45 is provided with a threaded connection hole 451 extending along an axial direction thereof, the screw 20 is in threaded connection with the first spur gear 45 through the threaded connection hole 451, the second spur gear 46 is pivotably disposed at the adjusting hole 12, the second spur gear 46 is engaged with the first spur gear 45, and a part of the second spur gear 46 extends out of the housing 10 to serve as an adjusting operation end; the screw 20, which is in threaded engagement with the adjustment operating end, is driven to rotate by rotating the adjustment operating end, and the screw 20 drives the base 30 to synchronously rotate and move in the vertical direction, so as to adjust the relative position of the base 30 and the housing 10 in the vertical direction.

In the third alternative embodiment shown in fig. 2, when the second spur gear 46 is rotated, the second spur gear 46 rotates and drives the first spur gear 45 engaged therewith to rotate, and the first spur gear 45 rotates and causes the screw 20 in threaded engagement therewith to rotate and move in the vertical direction, thereby driving the base 30 fixedly connected therewith to move, and realizing the adjustment of the relative position between the base 30 and the housing 10.

In the second embodiment, since the operation spur gear is in threaded connection with the screw 20, if the relative position between the screw 20 and the housing 10 in the horizontal direction needs to be adjusted, the size of the operation spur gear needs to be increased or decreased, the cost of the operation spur gear with a large size and the cost of the operation spur gear with a small size are high, and in order to adjust the relative position between the screw 20 and the housing 10 in the horizontal direction, in the third embodiment, a first spur gear 45 and a second spur gear 46 are provided, an operator rotates the second spur gear 46, then the second spur gear 46 drives the first spur gear 45 engaged therewith to rotate, the first spur gear 45 drives the screw 20 engaged with the screw to rotate, and the screw 20 drives the base 30 to synchronously rotate and move in the vertical direction to adjust the relative position between the base 30 and the housing 10 in the vertical direction.

Alternatively, the rotation shaft of the second spur gear 46 is located inside the housing 10, so that a small portion of the second spur gear 46 extends out of the housing 10, ensuring that the second spur gear 46 is stably connected with the housing 10.

Alternatively, the adjustment mechanism 40 includes a transmission gear that is provided between the first spur gear 45 and the second spur gear 46 and is meshed with the first spur gear 45 and the second spur gear 46.

Optionally, the mounting hole 11 is a light hole, the screw 20 is in clearance fit with the mounting hole 11, and the screw 20 can move at the mounting hole 11 with less effort, so as to avoid interference with the housing 10.

Optionally, the mounting hole 11 is a threaded hole, and the screw 20 is in threaded fit with the mounting hole 11, so that the screw 20 is in threaded connection with the housing 10, and a self-locking function can be realized.

The application also provides a projector, which comprises the base adjusting mechanism, and the lower cover of the projector is taken as the shell 10, so that the height of the projector can be conveniently, quickly and laborsavingly adjusted by applying the base adjusting mechanism provided by the application, and the function of partial trapezoidal correction is realized.

Alternatively, the height of the projector may be fine-tuned by adjusting the dimensional parameters of the thread structure of the screw 20.

The projector provided by the application moves the adjusting operation end of the base adjusting mechanism to the side face of the projector from the bottom of the projector, so that the projector is prevented from being lifted to perform height adjustment, and the image deviation of the projector caused in the process of lifting the projector is effectively avoided. The structure of the projector is optimized, and the purpose of adjusting the height of the projector from the side edge is achieved.

Optionally, the base adjustment mechanism that this application provided is applicable to the projector of great size, and the process that can avoid great size is lifting the adjustment is harder, and the adjustment is difficult.

Optionally, the base adjusting mechanism provided by the present application is not limited to be applied to a projector, and may also be applied to other devices requiring height adjustment, such as a supporting frame of a camera.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A base adjustment mechanism, comprising:

the device comprises a shell (10), wherein the bottom of the shell (10) is provided with a mounting hole (11), and the side surface of the shell (10) is provided with an adjusting hole (12);

the screw (20) is arranged at the mounting hole (11) in a penetrating manner;

the base (30) is fixedly connected with one end, extending out of the shell (10), of the screw rod (20);

the adjusting mechanism (40), at least part of the adjusting mechanism (40) is arranged at the adjusting hole (12) in a pivoting way, and one end of the screw rod (20) positioned in the shell (10) is in threaded connection with the adjusting mechanism (40); so that the screw rod (20) drives the base (30) to move along the vertical direction by rotating the adjusting mechanism (40), and the relative position of the base (30) and the shell (10) in the vertical direction is adjusted.

2. Base adjustment mechanism according to claim 1, characterized in that the adjustment mechanism (40) comprises:

the screw rod (20) is in threaded connection with the first bevel gear (41) through the threaded mounting hole (411);

a second bevel gear (42), the axis of the second bevel gear (42) being perpendicular to the axis of the first bevel gear (41), the second bevel gear (42) meshing with the first bevel gear (41);

the adjusting shaft (43) is pivotally arranged at the adjusting hole (12), one end of the adjusting shaft (43) is fixedly connected with the second bevel gear (42), and the other end of the adjusting shaft (43) extends out of the shell (10) to serve as an adjusting operation end; so as to adjust the relative position of the base (30) and the housing (10) in the vertical direction by rotating the adjusting shaft (43).

3. Base adjustment mechanism according to claim 2, characterized in that the adjustment mechanism (40) further comprises an operating wheel (44), which operating wheel (44) is fixedly connected with the other end of the adjustment shaft (43).

4. Base adjustment mechanism according to claim 1, characterized in that the adjustment mechanism (40) comprises:

the operation straight gear is provided with a thread assembling hole extending along the axial direction of the operation straight gear, the screw rod (20) is in threaded connection with the operation straight gear through the thread assembling hole, the operation straight gear is pivotally arranged at the adjusting hole (12), and part of the operation straight gear extends out of the shell (10) to be used as an adjusting operation end; the screw rod (20) is driven to move in the vertical direction by rotating the adjusting operation end so as to adjust the relative position of the base (30) and the shell (10) in the vertical direction.

5. Base adjustment mechanism according to claim 1, characterized in that the adjustment mechanism (40) comprises:

the screw rod (20) is in threaded connection with the first straight gear (45) through the threaded connecting hole (451);

a second spur gear (46), wherein the second spur gear (46) is pivotally arranged at the adjusting hole (12), the second spur gear (46) is meshed with the first spur gear (45), and part of the second spur gear (46) extends out of the shell (10) to be used as an adjusting operation end; the screw rod (20) is driven to move in the vertical direction by rotating the adjusting operation end so as to adjust the relative position of the base (30) and the shell (10) in the vertical direction.

6. Base adjustment mechanism according to claim 5, characterized in that the rotational axis of the second spur gear (46) is located inside the housing (10).

7. Base adjustment mechanism according to claim 5, characterized in that the adjustment mechanism (40) comprises:

a transmission gear provided between the first spur gear (45) and the second spur gear (46) and engaged with the first spur gear (45) and the second spur gear (46).

8. Base adjustment mechanism according to claim 1,

the bottom of the shell (10) is provided with a plurality of mounting holes (11) which are arranged at intervals, the number of the screw rods (20) is multiple, and the plurality of screw rods (20) and the plurality of mounting holes (11) are arranged in a one-to-one correspondence manner;

the number of the bases (30) is multiple, and the bases (30) are correspondingly connected with the screws (20) one by one;

the side of shell (10) is seted up a plurality ofly around a plurality of regulation holes (12) that the circumference interval of shell (10) set up, adjustment mechanism (40) are a plurality of, and are a plurality of adjustment mechanism (40) and a plurality of regulation hole (12) one-to-one sets up.

9. Base adjustment mechanism according to claim 1, characterized in that the mounting hole (11) is a light hole.

10. A projector, characterized in that it comprises a base adjustment mechanism as claimed in any one of claims 1 to 9.