CN215345658U - Cover plate mechanism and projector adopting same - Google Patents
Cover plate mechanism and projector adopting same Download PDFInfo
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- CN215345658U CN215345658U CN202121671989.0U CN202121671989U CN215345658U CN 215345658 U CN215345658 U CN 215345658U CN 202121671989 U CN202121671989 U CN 202121671989U CN 215345658 U CN215345658 U CN 215345658U
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Abstract
The utility model discloses a cover plate mechanism which comprises a first cover plate, a second cover plate and a driving mechanism, wherein the first cover plate is movably connected to a machine body and has a first freedom degree of movement, the second cover plate is movably connected to the machine body and has a second freedom degree of movement, the first cover plate is connected with the second cover plate through a transmission mechanism, the driving mechanism drives the first cover plate to move along the first freedom degree of movement, and the first cover plate drives the second cover plate to move along the second freedom degree of movement through a transmission assembly. The cover plate mechanism disclosed by the utility model can simultaneously open and close the cover plates for shielding components at different angles and different positions in a linkage mode, has a compact structure, small occupied space and fewer parts, reduces the cost and is suitable for device products with narrow space.
Description
Technical Field
The utility model relates to the technical field of cover plate and baffle plate mechanisms on devices, in particular to a cover plate mechanism and a projector adopting the same.
Background
Can set up apron class structure usually on electron devices such as projecting apparatus, STB and shelter from its components and parts, apron class structure plays dustproof, prevent the effect of mistake damage when electron devices do not use, and then opens apron class structure and expose components and parts when needs normal use electron devices, does not hinder electron devices's normal function. In order to improve the use convenience, apron class structure can adopt actuating mechanism to realize automatic switching, and when needs are sheltered from to a plurality of components and parts or a plurality of positions realization, sets up a plurality of independent apron class structures respectively usually to need to set up a plurality of actuating mechanism and carry out independent control, the structure is complicated, occupation space is big, is not suitable for the limited device product in space.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems and the technical task of improving the prior art, provides a cover plate mechanism and solves the problems that in the prior art, a cover plate structure adopts an independent control mode, the structure is complex and the occupied space is large.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
a cover plate mechanism comprises a first cover plate, a second cover plate and a driving mechanism, wherein the first cover plate is movably connected to a machine body and has a first freedom degree of movement, the second cover plate is movably connected to the machine body and has a second freedom degree of movement, the first cover plate and the second cover plate are connected through a transmission mechanism, the driving mechanism drives the first cover plate to move along the first freedom degree of movement, and the first cover plate drives the second cover plate to move along the second freedom degree of movement through a transmission assembly. The cover plate mechanism is connected with the first cover plate and the second cover plate through the transmission mechanism, so that the first cover plate and the second cover plate can be driven to be opened and closed simultaneously by only one set of driving mechanism, a plurality of sets of driving mechanisms are not needed, the structure is compact, parts are few, the occupied space is small, and the cover plate mechanism is suitable for device products with limited space.
Furthermore, the first cover plate is connected to the machine body in a sliding mode, the second cover plate is connected to the machine body in a sliding mode, the sliding directions of the first cover plate and the second cover plate are different, the structure is simple, implementation is convenient, and driving control is simple.
Furthermore, the sliding direction of the first cover plate is perpendicular to that of the second cover plate, the first cover plate and the second cover plate can be arranged at different positions of the machine body to shield and protect different components on the machine body, and the first cover plate and the second cover plate are linked to slide away to expose the components when the machine needs to work.
Furthermore, the transmission mechanism comprises a transmission slide rail and a transmission slide block which slides along the transmission slide rail, the sliding direction of the transmission slide rail is inclined to the sliding direction of the first cover plate and also inclined to the sliding direction of the second cover plate, the transmission slide rail is arranged on the first cover plate, and the transmission slide block is connected with the second cover plate. The structure is simple, the implementation is convenient, the first cover plate moves along the sliding direction of the first cover plate and realizes transmission steering through the matching of the transmission slide rail and the transmission slide block, and the transmission slide block has the movement component in the sliding direction of the second cover plate when sliding along the transmission slide rail, so that the transmission slide block can effectively drive the second cover plate to move along the sliding direction of the second cover plate.
Furthermore, the transmission slider is connected with the second cover plate through the rotating piece, so that the second cover plate and the transmission slider have rotational freedom, adaptability adjustment can be automatically carried out, the situation of clamping stagnation in the transmission process is avoided, transmission smoothness is improved, and the second cover plate can reliably move along the sliding direction of the second cover plate.
Furthermore, the transmission slide block is connected with the cover plate II through a magnetic attraction component, the magnetic attraction component comprises a first component and a second component which are arranged oppositely, the first component is connected with the transmission slide block, the second component is connected with the cover plate II, and the first component and the second component attract each other through magnetic force. The transmission is carried out by adopting a magnetic attraction mode, the transmission slide block and the second cover plate are not completely fixed like a bolt locking mode, so that the reliable transmission is ensured, a certain degree of freedom of movement is also realized, the self-adaption adjustment can be realized, the transmission smoothness is ensured, and the second cover plate can move along the self sliding direction under the driving of the transmission slide block.
Furthermore, the first cover plate is connected to the machine body in a sliding mode through the first sliding assembly, the first sliding assembly comprises a first sliding rail and a rolling shaft matched with the first sliding rail, the first sliding rail is arranged on one of the first cover plate and the machine body, the rolling shaft is arranged on the other of the first cover plate and the machine body, and a plurality of rolling shafts are arranged on two sides of the sliding direction of the first sliding rail at intervals respectively.
Furthermore, the second cover plate is connected to the machine body through the second sliding assembly in a sliding mode, the second sliding assembly comprises a sliding rod and a sliding sleeve piece sliding along the sliding rod, the sliding rod is arranged on one of the second cover plate and the machine body, and the sliding sleeve piece is arranged on the other of the second cover plate and the machine body. Simple structure through the spacing direction cooperation of smooth external member with the slide bar for apron two is reliable moves along predetermined slip direction.
Further, the first cover plate is arranged on the outer side of the wall surface of the machine body, and the second cover plate is arranged on the inner side of the wall surface of the machine body. The cover plate I and the cover plate II can move relatively independently, the reliability of the movement is guaranteed, the structure is compact, the assembly is convenient, the cover plate I and the cover plate II can be maintained conveniently, the situation that the cover plate I shields the cover plate II or the cover plate II shields the cover plate I is avoided, and one of the cover plate I and the cover plate II does not need to be detached firstly to maintain the other cover plate when the maintenance is carried out.
Furthermore, the driving mechanism comprises a motor and a gear assembly, the motor is arranged on the machine body and drives the cover plate to move through the gear assembly, the structure is compact, and the transmission reliability is high.
The utility model provides a projector, adopts foretell apron mechanism, can shelter from the protection to positions such as the camera lens of projector, air outlet, apron one is used for sheltering from the protection camera lens, and apron two is used for sheltering from the protection air outlet, slides open in order to expose camera lens, air outlet again when needs use the projector, can shelter from the position of different angles, different positions simultaneously, compact structure, and it is convenient simple to implement.
Compared with the prior art, the utility model has the advantages that:
the cover plate mechanism disclosed by the utility model can simultaneously open and close the cover plates for shielding components at different angles and different positions in a linkage mode, has a compact structure, small occupied space and fewer parts, reduces the cost and is suitable for device products with narrow space.
Drawings
FIG. 1 is a schematic view of a cover mechanism of the present invention installed on a machine body and in a closed state;
FIG. 2 is a schematic structural view of the cover mechanism of the present invention installed on the body and in an open state;
FIG. 3 is a schematic view of a cover plate I engaged with the body through a sliding assembly I;
FIG. 4 is a schematic structural view of the second cover plate cooperating with the body via the second sliding assembly;
FIG. 5 is an exploded view of the second cover plate engaged with the body via the second sliding assembly;
FIG. 6 is a schematic structural diagram of the connection between the first cover plate and the second cover plate through the transmission mechanism in the state where the machine body is not shown;
FIG. 7 is a schematic cross-sectional view illustrating a first embodiment of the present invention;
FIG. 8 is a schematic cross-sectional view illustrating a second embodiment of the present invention;
fig. 9 is a schematic structural diagram of a transmission mechanism according to a second embodiment.
In the figure: the device comprises a machine body a, a first cover plate 1, a second cover plate 2, a driving mechanism 3, a first sliding rail 4, a rolling shaft 5, a sliding rod 6, a sliding sleeve part 7, a transmission sliding rail 8, a transmission sliding block 9, a rotating part 10, a first part 11, a second part 12, an expansion bracket 13 and a driving arm 14.
Detailed Description
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 only a part of the embodiments of the present invention, and not all of the embodiments. 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.
The cover plate mechanism disclosed by the embodiment of the utility model adopts a linkage mode, one driving mechanism can drive a plurality of sliding doors to act simultaneously, a plurality of driving mechanisms are not required to be arranged, the structure is simple and compact, the occupied space is small, the cover plate mechanism is suitable for device products with narrow space, the linkage reliability is high, and the long-term and stable realization of the functions of the device products is ensured.
Example one
As shown in fig. 1 to 8, a cover plate mechanism for a projector to shield and protect a lens, an air outlet, and the like of the projector mainly includes a cover plate 1, a cover plate 2, and a driving mechanism 3, where the cover plate 1 is movably connected to a body a and has a first freedom degree of movement, the cover plate 2 is movably connected to the body a and has a second freedom degree of movement, the cover plate 1 is connected to the cover plate 2 through a transmission mechanism, the driving mechanism 3 drives the cover plate 1 to move along the first freedom degree of movement, and the cover plate 1 drives the cover plate 2 to move along the second freedom degree of movement through a transmission assembly.
In this embodiment, the first freedom of movement is a linear sliding freedom, and the second freedom of movement is also a linear sliding freedom, that is, the first cover plate 1 is slidably connected to the machine body, the second cover plate 2 is slidably connected to the machine body, and the sliding directions of the first cover plate 1 and the second cover plate 2 are different, specifically, the sliding direction of the first cover plate 1 is perpendicular to the sliding direction of the second cover plate 2, the first cover plate 1 is disposed on the outer side of the wall surface of the machine body a, the second cover plate 2 is disposed on the inner side of the wall surface of the machine body a, a through hole for passing the transmission mechanism is formed in the wall surface of the machine body a, the first cover plate 1 slides in the transverse direction to open and close, and the second cover plate 2 slides in the vertical direction to open and close. The first cover plate 1 and the second cover plate 2 are respectively positioned on two sides of the wall surface of the machine body a, so that the first cover plate and the second cover plate are relatively independent, cannot shield each other, and are convenient to maintain and replace. In this embodiment, the front side of projecting apparatus is provided with camera lens and air outlet, and apron one is used for sheltering from the protection camera lens, and apron two is used for sheltering from the protection air outlet, avoids inside miscellaneous dirt etc. gets into the projecting apparatus from the air outlet, improves dustproof effect.
The structure of the linear sliding fit is various, in this embodiment, the cover plate 1 is slidably connected to the machine body through the sliding assembly one, the sliding assembly one includes a sliding rail one 4 and rolling shafts 5 matched with the sliding rail one 4, the sliding rail one 4 is arranged on the cover plate 1, the rolling shafts 5 are arranged on the wall surface of the machine body a, a plurality of rolling shafts 5 are respectively arranged at intervals on two sides of the sliding direction of the sliding rail one 4, the rolling shafts 5 are in rolling contact with two sides of the sliding rail one 4, a limiting and guiding effect is achieved on the sliding rail one 4, the sliding rail one 4 can slide smoothly, the sending of the clamping stagnation condition is reduced, and the cover plate one 1 can be reliably opened and closed;
in this embodiment, apron two 2 is through two sliding connection of sliding subassembly on the organism, two sliding subassembly include slide bar 6 and follow the gliding sliding sleeve spare 7 of slide bar 6, slide bar 6 sets up on the organism a, sliding sleeve spare 7 set up on apron two 2, simple structure, it is convenient to implement, specific, the parallel interval of slide bar 6 be provided with two, improve direction stability and accuracy nature, slide bar 6's length direction along vertical direction to ensure that apron two 2 is stable moves about along vertical.
Both the cover plate I1 and the cover plate II 2 slide along a straight line, and can be driven by a transmission mechanism with a simplified structure, specifically, the transmission mechanism mainly comprises a transmission slide rail 8 and a transmission slide block 9 sliding along the transmission slide rail 8, the sliding direction of the transmission slide rail 8 is inclined to the sliding direction of the cover plate I1 and also inclined to the sliding direction of the cover plate II 2, the transmission slide rail 8 is arranged on the cover plate I1, the transmission slide block 9 is connected with the cover plate II 2, specifically, the transmission slide rail 8 is arranged on the slide rail I4, the transmission slide rail 8 and the slide rail I4 are sheet metal parts, the structural stability is good, the durability is good, a rotating part 10 is arranged on the transmission slide block 9, the transmission slide block 9 is connected with the cover plate II 2 through the rotating part 10, and the axial direction of the rotating part 10 is vertical to the sliding direction of the transmission slide rail 8, specifically, the axial direction of the rotating piece 10 is perpendicular to the wall surface of the machine body a, the rotating piece 10 can be used for automatically carrying out adaptive adjustment, the clamping stagnation in the transmission process is avoided, the cover plate I1 and the cover plate II 2 can slide smoothly, and the cover plate II 2 can slide smoothly along the sliding rod 6 under the driving of the transmission sliding block 9.
In this embodiment, the sliding direction of the first cover plate 1 is perpendicular to the sliding direction of the second cover plate 2, the included angle between the sliding direction of the transmission slide rail 8 and the sliding direction of the first cover plate 1 and the included angle between the sliding direction of the transmission slide rail 8 and the sliding direction of the second cover plate 2 can be flexibly adjusted as required to meet the requirements of different models, the traverse distance of the first cover plate 1 and the lifting distance of the second cover plate 2 on different models are different, the traverse distance of the first cover plate 1 and the lifting distance of the second cover plate 2 can be matched by changing the installation angle of the transmission slide rail 8, the reliability of linkage is ensured, and due to the existence of the rotating member 10, good flexible adaptability is ensured, when the included angle between the sliding direction of the transmission slide rail 8 and the sliding direction of the second cover plate 2 is changed, the second cover plate 2 can rotate relative to the transmission slide block 9 through the rotating member 10, therefore, an included angle between the cover plate II 2 and the slide rod 6 is avoided, the cover plate II 2 can smoothly slide along the slide rod 6, the transmission slide block 9 can smoothly slide along the transmission slide rail 8, the transmission is smooth, and the clamping stagnation is avoided.
In this embodiment, actuating mechanism 3 includes motor and gear assembly, and the motor setting passes through the action of gear assembly drive apron one 1 in the inboard of organism wall, the motor, the gear assembly mainly including connect the gear on the motor with connect the rack on apron one 1, gear and rack toothing, the length direction of rack along the slip direction of apron one 1, drive apron one 1 through the gear assembly when the motor rotates and follow linear motion, simple structure, it is convenient to implement.
Example two
As shown in fig. 8, the difference from the first embodiment is that the transmission slider 9 and the second cover plate 2 are connected and transmitted through a magnetic attraction assembly, specifically, the magnetic attraction assembly includes a first piece 11 and a second piece 12 which are oppositely arranged, the first piece 11 is connected with the transmission slider 9, the second piece 12 is connected with the second cover plate 2, the first piece 11 and the second piece 12 attract each other by magnetic force, both the first piece 11 and the second piece 12 are magnetic pieces which can be permanent magnets, opposite sides of the first piece 11 and the second piece 12 are different magnetic poles, one of the first piece 11 and the second piece can be a permanent magnet, and the other is made of a magnetic conductive material, such as iron, cobalt, and nickel;
the first part 11 and the second part 12 can be directly contacted and attracted with each other or attracted with a certain distance at intervals, as shown in fig. 8, the first part 11 is connected to the transmission slide block 9 and located on the outer side of the wall surface of the machine body a, the second part 12 is connected to the cover plate 2 and located on the inner side of the wall surface of the machine body a, the first part 11 is opposite to the second part 12, when the first part and the second part are separated by the wall surface of the machine body a, namely the first part 11 and the second part 12 are attracted with each other through magnetic force at intervals for transmission, in this way, a through hole for transmission does not need to be formed in the wall surface of the machine body a, the integrity and the structural stability of the wall surface of the machine body a can be guaranteed, the cover plate 1 and the cover plate 2 are enabled to be more independent with each other while reliable transmission is guaranteed, and the assembly and the maintenance are more convenient.
EXAMPLE III
As shown in fig. 9, the difference from the first embodiment is that the transmission mechanism is composed of an expansion bracket 13 and a driving arm 14, and the rest of the structure is the same as the first embodiment, the expansion bracket 13 is a diamond formed by hinging four sides, one hinge point of the expansion bracket 13 is connected to the machine body, the opposite hinge point is connected to the cover plate two 2, one end of the driving arm 14 is rotatably connected to the expansion bracket 13, and the other end is rotatably connected to the cover plate one 1, so that the cover plate one 1 can drive the expansion bracket 13 to deform along the transverse direction, when the transverse width of the expansion bracket 13 is narrowed, the vertical length is lengthened, when the transverse width of the expansion bracket 13 is widened, the vertical length is shortened, by this way, the rotary steering is realized, and the cover plate one 1 drives the cover plate two 2 to move along the vertical direction while moving along the transverse direction, the cover plates in two different movement directions are driven to be opened and closed by a single driving mechanism, and the device is compact in structure, small in occupied space and suitable for device products in narrow space.
The first freedom degree of the first cover plate 1 can also be a rotational freedom degree, namely, the first cover plate 1 is rotationally connected to the machine body and is opened and closed in a rotating mode, the second cover plate 2 can be opened and closed in a linear sliding mode or in an active opening and closing mode, and a transmission mechanism between the first cover plate 1 and the second cover plate 2 is designed according to an opening and closing structure actually adopted by the first cover plate 1 and the second cover plate 2, for example, when the first cover plate 1 is opened and closed in a rotating mode and the second cover plate 2 is opened and closed in a linear sliding mode, the transmission mechanism can be set into a crank link mechanism to convert rotary motion into linear motion, so that the first cover plate 1 is opened and closed in a rotating mode and meanwhile drives the second cover plate 2 to open and close in a sliding mode.
The above is only a preferred embodiment of the present invention, and it should be noted that the above preferred embodiment should not be considered as limiting the present invention, and the protection scope of the present invention should be subject to the scope defined by the claims. It will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the spirit and scope of the utility model, and these modifications and adaptations should be considered within the scope of the utility model.
Claims (11)
1. The cover plate mechanism is characterized by comprising a first cover plate (1), a second cover plate (2) and a driving mechanism (3), wherein the first cover plate (1) is movably connected to a machine body (a) and has a first movable degree of freedom, the second cover plate (2) is movably connected to the machine body and has a second movable degree of freedom, the first cover plate (1) is connected with the second cover plate (2) through a transmission mechanism, the driving mechanism (3) drives the first cover plate (1) to move along the first movable degree of freedom, and the first cover plate (1) drives the second cover plate (2) to move along the second movable degree of freedom through a transmission assembly.
2. The cover plate mechanism as claimed in claim 1, wherein the first cover plate (1) is slidably connected to the body (a), the second cover plate (2) is slidably connected to the body (a), and the sliding directions of the first cover plate (1) and the second cover plate (2) are different.
3. Cover plate mechanism according to claim 2, characterized in that the sliding direction of the first cover plate (1) is perpendicular to the sliding direction of the second cover plate (2).
4. The cover mechanism according to claim 2, characterized in that the transmission mechanism comprises a transmission slide rail (8) and a transmission slide block (9) sliding along the transmission slide rail (8), the sliding direction of the transmission slide rail (8) is inclined to the sliding direction of the first cover plate (1) and also inclined to the sliding direction of the second cover plate (2), the transmission slide rail (8) is arranged on the first cover plate (1), and the transmission slide block (9) is connected with the second cover plate (2).
5. The cover plate mechanism according to claim 4, characterized in that the transmission slide (9) is connected with the second cover plate (2) through a rotating element (10).
6. The cover plate mechanism according to claim 4, wherein the transmission slide block (9) is connected with the second cover plate (2) through a magnetic attraction component, the magnetic attraction component comprises a first piece (11) and a second piece (12) which are oppositely arranged, the first piece (11) is connected with the transmission slide block (9), the second piece (12) is connected with the second cover plate (2), and the first piece (11) and the second piece (12) are attracted by magnetic force.
7. The cover plate mechanism as claimed in claim 2, wherein the cover plate (1) is slidably connected to the machine body through a sliding assembly (1), the sliding assembly (1) comprises a sliding rail (4) and a rolling shaft (5) matched with the sliding rail (4), the sliding rail (4) is arranged on one of the cover plate (1) and the machine body (a), the rolling shaft (5) is arranged on the other of the cover plate (1) and the machine body (a), and a plurality of rolling shafts (5) are respectively arranged at intervals on two sides of the sliding direction of the sliding rail (4).
8. The cover plate mechanism as claimed in claim 2, wherein the second cover plate (2) is slidably connected to the machine body through a second sliding assembly, the second sliding assembly comprises a sliding rod (6) and a sliding sleeve member (7) sliding along the sliding rod (6), the sliding rod (6) is arranged on one of the second cover plate (2) and the machine body (a), and the sliding sleeve member (7) is arranged on the other of the second cover plate (2) and the machine body (a).
9. The cover plate mechanism according to any one of claims 1 to 8, wherein the first cover plate (1) is disposed outside the wall surface of the body (a), and the second cover plate (2) is disposed inside the wall surface of the body (a).
10. The cover plate mechanism according to any one of claims 1 to 8, wherein the driving mechanism (3) comprises a motor and a gear assembly, the motor is arranged on the machine body (a) and drives the cover plate I (1) to act through the gear assembly.
11. A projector characterized by comprising the cover plate mechanism of any one of claims 1 to 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671989.0U CN215345658U (en) | 2021-07-21 | 2021-07-21 | Cover plate mechanism and projector adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121671989.0U CN215345658U (en) | 2021-07-21 | 2021-07-21 | Cover plate mechanism and projector adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215345658U true CN215345658U (en) | 2021-12-28 |
Family
ID=79569379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121671989.0U Active CN215345658U (en) | 2021-07-21 | 2021-07-21 | Cover plate mechanism and projector adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215345658U (en) |
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2021
- 2021-07-21 CN CN202121671989.0U patent/CN215345658U/en active Active
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