WO2020125016A1 - 屏幕框架及激光投影显示装置 - Google Patents

屏幕框架及激光投影显示装置 Download PDF

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Publication number
WO2020125016A1
WO2020125016A1 PCT/CN2019/098656 CN2019098656W WO2020125016A1 WO 2020125016 A1 WO2020125016 A1 WO 2020125016A1 CN 2019098656 W CN2019098656 W CN 2019098656W WO 2020125016 A1 WO2020125016 A1 WO 2020125016A1
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WO
WIPO (PCT)
Prior art keywords
screen frame
connector
engaging member
frame according
connecting member
Prior art date
Application number
PCT/CN2019/098656
Other languages
English (en)
French (fr)
Inventor
陈波
黄永达
赵飞
Original Assignee
青岛海信激光显示股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from CN201811556774.7A external-priority patent/CN111338170B/zh
Priority claimed from CN201811556268.8A external-priority patent/CN111338169A/zh
Application filed by 青岛海信激光显示股份有限公司 filed Critical 青岛海信激光显示股份有限公司
Priority to US16/576,731 priority Critical patent/US10918228B2/en
Priority to US16/576,735 priority patent/US11191372B2/en
Publication of WO2020125016A1 publication Critical patent/WO2020125016A1/zh

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Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/54—Accessories
    • G03B21/56—Projection screens

Definitions

  • the present disclosure relates to the field of displays, and in particular, to a screen frame and a laser projection display device.
  • the frame-type screen has the advantages of light weight, low cost, and easy assembly, and thus has been widely used.
  • the frame-type screen is formed by assembling multiple side frames.
  • the present disclosure provides a screen frame and a laser projection display device, which can easily perform accurate positioning and splicing.
  • the present disclosure provides a screen frame including a plurality of side frames connected end to end, at least two connectors are provided at the junction of any two adjacent side frames, and the joint between the side frame and the adjacent side frame is opened There are accommodating grooves corresponding to the at least two connecting pieces one by one, at least two connecting pieces have plug-in portions that can extend into the accommodating grooves, at least part of each of the plug-in portions of the plug-in portions is provided There is a retractable engaging piece, and the side wall of the accommodating groove corresponding to the insertion part with the engaging piece is provided with an accommodating hole corresponding to the engaging piece; the engaging piece is used to extend into the accommodating hole Internal positioning; and, the insertion portion is connected to the side wall of the accommodating groove by a fastener.
  • the present disclosure provides a laser projection display device including a projection host, a projection screen, and the screen frame as described above, the screen frame surrounding the projection screen.
  • an accommodating groove is provided on the side frame, the plug-in portion of the connector and the side wall of the accommodating groove can be connected by fasteners, and at least part of the plug-in portion of the connector
  • the plug-in portion is provided with a retractable engaging member, and correspondingly, the side wall of the accommodating groove corresponding to the plug-in portion with the engaging member is further provided with a receiving hole, therefore, the connecting member and the side frame are realized
  • the engaging part of the insertion part and the accommodating hole on the side wall of the accommodating groove are engaged with the limiting position, which can quickly realize the positioning of the relative position of the connecting part and the side frame, thereby improving the installation efficiency, Therefore, a person who does not have assembly experience can relatively easily complete the assembly work of the screen frame, thereby facilitating the user to freely assemble the screen frame and saving assembly costs.
  • FIG. 1 is a schematic structural diagram of a frame-type screen in the related art
  • FIG. 2a is a schematic structural diagram of a screen frame provided by some embodiments of the present disclosure.
  • 2b is an exploded schematic view of a screen frame provided by some embodiments of the present disclosure.
  • 3a is a schematic diagram of a connection position of two adjacent side frames in a screen frame provided by some embodiments of the present disclosure
  • 3b is an exploded schematic view of the connection position of two adjacent side frames in a screen frame provided by some embodiments of the present disclosure
  • FIG. 4a is a schematic diagram of a connection structure of a connector and a side frame in a screen frame provided by some embodiments of the present disclosure
  • 4b is a schematic diagram of a connection structure of a connector and a side frame in a screen frame provided by other embodiments of the present disclosure
  • FIG. 5a is a schematic structural diagram of a first connector in a screen frame provided by some embodiments of the present disclosure
  • 5b is a schematic structural diagram of a first connector in a screen frame provided by other embodiments of the present disclosure.
  • 6a is a schematic structural diagram of a second connector in a screen frame provided by some embodiments of the present disclosure.
  • 6b is a schematic structural diagram of a second connector in a screen frame provided by other embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of the connection structure of the engaging member and the side frame in the screen frame provided by some embodiments of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a laser projection display device provided by some embodiments of the present disclosure.
  • FIG. 1 is a schematic structural diagram of a frame-type screen in the related art.
  • the corner connector 20 has two protrusions 201 at right angles to each other, and the joint of the side frame 10 is provided with a chute (not shown), and one protrusion 201 of the corner connector 20 can extend into One of the side frames 10 slides, and the other extension 201 extends into the slide groove of the side frame 10 in the other direction.
  • the side frames 10 and the extensions 201 of the connector 20 are respectively There is a connection hole 20b.
  • connection hole 20b After the extension part 201 extends into the corresponding chute, it is necessary to visually align the corresponding connection hole 20b, and then use screws and other fasteners to pass through the plurality of connection holes 20b in order to lock. As a result, the corner connector 20 and the side frame 10 are connected together to complete the assembly between the side frames.
  • the present disclosure provides a screen frame and a laser projection display device.
  • the embodiments of the present disclosure will be described below with reference to the drawings.
  • FIG. 2a is a schematic structural diagram of assembling a screen frame provided by some embodiments of the present disclosure.
  • FIG. 2b is an exploded schematic view of a screen frame provided by some embodiments of the present disclosure.
  • FIG. 3a is a schematic diagram of a connection position of two adjacent side frames in a screen frame provided by some embodiments of the present disclosure.
  • FIG. 3b is an exploded schematic view of the connection position of two adjacent side frames in a screen frame provided by some embodiments of the present disclosure.
  • FIG. 4a is a schematic diagram of a connection structure of a connector and a side frame in a screen frame provided by some embodiments of the present disclosure.
  • FIG. 4b is a schematic diagram of a connection structure of a connector and a side frame in a screen frame provided by other embodiments of the present disclosure.
  • 5a is a schematic structural diagram of a first connector in a screen frame provided by some embodiments of the present disclosure.
  • FIG. 5b is a schematic structural diagram of a first connector in a screen frame provided by other embodiments of the present disclosure.
  • 6a is a schematic structural diagram of a second connector in a screen frame provided by some embodiments of the present disclosure.
  • 6b is a schematic structural diagram of a second connector in a screen frame provided by other embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of the connection structure of the engaging member and the side frame in the screen frame provided by some embodiments of the present disclosure.
  • the screen frame provided by some embodiments of the present disclosure includes a plurality of side frames 1 connected end to end, and a junction of two adjacent side frames 1 At least two connecting pieces 2 are provided, and the connecting pieces 2 are connected between two adjacent side frames, for example, between the side frame 1a and the side frame 1b, and the connecting pieces 2 are connected to the side frame 1 through fasteners 3 .
  • the connecting member 2 and the side frame 1 may have a variety of different connection structures and connection methods.
  • the side frame 1 may be used to cover or accommodate the connecting member 2, so that the connecting member 2 is prevented from being exposed.
  • the junction of two adjacent side frames 1 is provided with an accommodating groove 11 corresponding to the connector 2 in a one-to-one manner.
  • the depth of the accommodating groove 11 is along the side frame 1 In the length direction of the connector, the connecting member 2 has a plug portion 21 that can extend into the receiving slot 11, and the fastener 3 passes through the side wall of the receiving slot 11 and the plug portion 21 to connect the connecting member 2 and the side frame 1 .
  • the insertion portion 21 is provided with a retractable engaging member 22, and as shown in FIG. 7, a side wall of the receiving slot 11 is provided with a receiving hole 12 corresponding to the engaging member.
  • the joint 22 can extend into and snap into the accommodating hole 12 so as to realize the positioning and limiting effect.
  • the engaging member 22 extends into the accommodating groove 11 along with the insertion portion 21. Because the engaging member 22 is retractable, the engaging member 22 is in a compressed state before entering the accommodating hole 12. When the position of the accommodating hole 12 is reached, the engaging member 22 pops up into the accommodating hole 12, and the accommodating hole 12 restricts the engaging member 22 at this position.
  • the accommodating groove 11 is located at the end of the side frame 1 butted against the adjacent side frame, and the opening of the accommodating groove 11 may be located on the side frame 1 for docking with the adjacent side frame End face.
  • the insertion portion 21 of the connector 2 may extend toward the end of the side frame 1 and be inserted into the accommodation groove 11 through the opening of the accommodation groove 11.
  • the connecting piece 2 Seen from the outside of the screen frame, the connecting piece 2 is accommodated and hidden in the accommodating groove 11, so the appearance of the screen frame is relatively simple and beautiful. Since the insertion portion 21 is located in the accommodating groove 11, the fastener 3 can be threaded on the side wall of the accommodating groove 11 and the insertion portion 21 to connect the connector 2 and the side frame 1 together.
  • the side wall of the accommodating groove 11 and the side of the insertion portion 21 opposite to the side wall may be provided with connection holes for threading the fastener 3.
  • the fastener 3 is a threaded connection piece
  • one of the connection hole of the accommodating groove 11 and the connection hole of the insertion portion 21 may be a light hole and the other is a screw hole.
  • the joint of the two side frames 1a and 1b may have a shape matching each other, so that a neat and beautiful screen frame appearance can be formed.
  • an accommodating groove is opened on the side frame, and the insertion portion of the connecting member and the side wall of the accommodating groove can be connected by the fastener 3, and the At least a part of the insertion portion is provided with a retractable engaging member, correspondingly, the side wall of the accommodating groove corresponding to the insertion portion with the engaging member is also provided with an accommodating hole, therefore, the connection member and the side frame are realized During fixed connection, the engaging part of the insertion part and the accommodating hole on the side wall of the accommodating groove are engaged with the limiting position, which can quickly realize the positioning of the relative position of the connecting part and the side frame, thereby improving the installation efficiency, Therefore, a person who does not have assembly experience can relatively easily complete the assembly work of the screen frame, thereby facilitating the user to freely assemble the screen frame and saving assembly costs.
  • the at least two connecting members 2 may be four sets of connecting members respectively disposed at the connection points of the four corners of the rectangular frame of the screen, and each group of connecting members includes two connecting members.
  • the connector 2 includes a first connector 2a and a second connector 2b, wherein the first connector 2a and the second connector 2b are arranged along the diagonal of the screen frame, and the first connector The piece 2a is located outside the second connecting piece 2b.
  • one or more retractable engaging members 22 may be provided on the first connecting member 2a or the second connecting member 2b, each Each engaging member 22 includes an engaging end 221 that can extend out of the outer surface of the insertion portion 21, at least a part of the side frame 1 is provided with a receiving hole 12 corresponding to the engaging member, the engaging end 221 extends into and engages in The accommodating hole 12 is positioned in the accommodating hole 12.
  • the first connecting member 2a may have a structure as shown in FIG. 5a or a structure as shown in FIG. 5b.
  • the first connecting member 2a is further provided with an engaging member 22.
  • the engaging members 22 are respectively disposed on the two insertion portions 211a and 212a of the first connecting member 2a, and are disposed near the corners of the first connecting member 2a.
  • an engaging member 22 is provided on the second connecting member 2b.
  • the one or more engaging members 22 may be located only on the first connecting member 2a, or only on the second connecting member 2b, or may be provided on both the first connecting member 2a and the second connecting member 2b Clip-in 22.
  • the second connecting member 2b has a thicker thickness in a direction perpendicular to the plane of the screen frame, and thus has a larger space in this direction to accommodate the engaging member 22, therefore, the present disclosure
  • the engaging member 22 itself includes a spring or other elastic members, so that part of the structure of the engaging member 22, for example, the engaging end 221 is elastic It protrudes from the outer surface of the insertion portion 21 under the action.
  • the side frame 1 is provided with a receiving hole 12 corresponding to the insertion portion 21.
  • the insertion portion 21 of the connector 2 since the insertion portion 21 of the connector 2 has a shape matching the inner wall of the accommodating groove 11, the outer wall of the insertion portion 21 and the inner wall of the accommodating groove 11 remain Fit to each other or have a small gap.
  • the engaging member 22 provided on the insertion portion 21 will contact the inner wall of the accommodating groove 11 and maintain the retracted state of the engaging end 221 under the action of its own elastic force and the pressure of the side wall of the accommodating groove 11 .
  • the accommodating hole 12 may be a different form such as a through hole.
  • An engaging member 22 may be provided on the insertion portion 21, or a plurality of engaging members 22 arranged at intervals may be provided, and the installation between the accommodating groove 11 and the insertion portion 21 is improved by using the plurality of engaging members 22 Precision.
  • the number of the engaging pieces 22 on the insertion portion 21 can be adjusted according to the size and specific structure of the screen frame, and is not limited here.
  • the engaging member 22 In order to keep the engaging member 22 retracted during the insertion of the insertion portion 21 into the accommodating groove 11, until the engaging end of the engaging member 22 extends into the accommodating hole 12, the engaging member 22 should have The expansion and contraction directions in which the insertion direction of the connection portion 21 is different are, for example, the expansion and contraction direction of the engaging member 22 and the insertion direction of the insertion portion 21 perpendicular to each other. In this way, when the insertion portion 21 is inserted into the accommodating groove 11, the distance between the engaging member 22 and the inner wall of the accommodating groove 11 always remains the same, so the engaging member 22 can be kept until it coincides with the accommodating hole 11 Keep retracted.
  • the engaging member 22 is located on the side wall of the insertion portion 21, that is, on a wall that is different from the insertion direction of the insertion portion 21, and the expansion and contraction direction of the engaging member 22 and the insertion
  • the side walls of the portion 21 remain perpendicular to each other.
  • the engaging member 22 is usually set perpendicular to the direction of the plane where the screen frame is located, that is, the engaging member 22 is located facing the screen or away from the screen frame One side of the screen, so that after the engaging member 22 enters the accommodating hole 12, the user can easily observe whether the engaging member 22 is engaged from the outer side of the screen frame.
  • the side wall of the insertion portion 21 is generally parallel to the insertion direction of the insertion portion 21 to facilitate the insertion of the insertion portion 21. Therefore, when the direction of expansion and contraction of the engaging member 22 is kept perpendicular to the side wall of the insertion portion 21, the corresponding insertion direction of the insertion portion 21 is maintained perpendicular to each other. At this time, the movement of the insertion portion 21 does not affect the expansion and contraction state of the engaging member 22, so that the operation of the engaging member 22 is more reliable.
  • the engaging end 221 of the engaging member 22 may be an arc-shaped end.
  • the arc shape of the clamping end 221 can effectively reduce the resistance and friction between the clamping end 221 and the edge of the accommodation hole 12 while the clamping end 221 enters the accommodation hole 12;
  • the arc-shaped engaging end 221 can also convert the elastic force of the engaging member 22 into a component force toward the accommodating hole 12, Under the action of the component force, the clamping end 221 can be automatically ejected in the direction of the accommodating hole 12, and the insertion portion 21 can also be driven to the correct positioning position accordingly.
  • the engaging member 22 may have a variety of different structures and forms.
  • the engaging member 22 may be a spring plunger.
  • the spring plunger is also called a ball-head plunger, and its inside is provided with elastic members such as springs, so the elastic operation of the elastic members such as springs can be used to realize the expansion and contraction of the plunger.
  • the engaging member 22 is a spring plunger
  • the inside of the spring plunger is a metal structure
  • the snap end 221 of the spring plunger extends into the receiving hole 12 and engages with the receiving hole 12
  • the spring plunger The snap-in terminal 221 will emit a crisp touch sound due to the touch with the side frame 1, and the user will know that the side frame 1 and the connecting member 2 are installed in place after hearing the touch sound, thereby ensuring the Assemble positioning accuracy and reduce installation difficulty.
  • the engaging member 22 is a spring plunger
  • a mounting hole or a mounting groove may be provided in the insertion portion 21 of the connecting member 2, and the spring plunger may be installed in the mounting hole or the mounting groove by interference fit or mounting thread.
  • most of the structure of the spring plunger is buried in the mounting hole or the mounting groove, and the engaging end 221 may protrude from the outer surface of the insertion portion 21 in the extended state and engage with the accommodating hole 12 connection.
  • the penetration direction of the fastener 3 on the first connector 2a is perpendicular to the plane where the screen frame is located, and the penetration direction of the fastener 3 on the second connector 2b is parallel to the plane where the screen frame is located.
  • the direction of expansion and contraction of the engaging member 22 may be the same as the penetration direction of the fastener 3 on the first connecting member 2a, and the engaging member extends away from the insertion portion 21 Set in direction.
  • the direction of expansion and contraction of the engaging piece 22 is perpendicular to the penetration direction of the fastener 3 on the second connecting piece 2b. See Figure 6b, Figure 6a.
  • the connecting holes 23b of the engaging member 22 and the connecting member 2b are respectively provided on different surfaces of the side wall of the insertion portion. In some embodiments of the present disclosure, the connecting hole 23b on the engaging member 22 and the connecting member 2b are perpendicular to each other.
  • the screen frame when the screen frame is installed, the screen frame is laid flat on the console or on the ground, so that the back of the screen frame faces the installer, in order to allow the installer to insert the side member into the groove of the side frame
  • the accommodating holes on the side walls of the accommodating groove are arranged toward the back of the screen frame, that is, facing the installer. In this way, the installer can easily observe the top of the engaging member from the receiving hole.
  • the screen frame is generally a rectangular frame structure, and the side frame 1 corresponds to the direction in which the four sides of the screen frame are located, and the number of side frames 1 may generally be four .
  • the side frame 1a and the side frame 1b respectively correspond to two adjacent sides of the rectangle.
  • each joint of two adjacent side frames corresponds to a corner position of the screen frame, and the connecting member 2 is provided at the corner position, and connects the two side frames 1a and 1b.
  • each connecting member 2 may be two, and each connecting member is located between two adjacent side frames, namely, side frame 1a and side frame 1b, and passes The fastener 3 connects and fixes the two side frames 1a and the side frames 1b together.
  • each connector 2 has connection parts corresponding to different side frames, and these connection parts and side frame 1 have partial or full overlapping regions, so that these connection parts and side frames can be relied upon 1 Make the connection.
  • connection part of the connecting member 2 partially overlaps with the side frame 1, in order to complete the fixing of the side frame 1, the fastener 3 can be passed through these connecting parts and the corresponding side frame 1, so that the connecting member and the side frame 1
  • the connections are fixed together.
  • the connection parts on the connector 2 and the side frame 1 may be provided with corresponding connection holes, and the fastener 3 may pass through these connection holes, and realize the fixing between the connector and the side frame 1.
  • the connecting holes may be in the form of threaded holes or light holes, and the fastener 3 may be in the form of commonly used fasteners such as bolts, screws, or rivets.
  • the screen frame includes a first connecting member 2a and a second connecting member 2b, and the first connecting member 2a and the second connecting member 2b are corresponding to each other through fasteners 3 such as screws.
  • the side frames 1 are connected, and the fastener 3 located on the first connector 2a and the fastener 3 located on the second connector 2b have different penetration directions.
  • the penetration direction of the fastener 3 on the first connector 2a may be perpendicular to the plane where the screen frame is located, and the penetration direction of the fastener on the second connector 2b may be The planes where the screen frame lies are parallel to each other. In this way, whether the side frame 1 is in the direction of the plane where the screen frame is located or perpendicular to the plane where the screen frame is located, the fasteners can be fixed, so as to achieve precise positioning and connection with the connecting member 2.
  • the fastener 3 used to connect with the first connector 2a will be along a direction perpendicular to the plane where the screen frame is located Penetrate into the side frame 1 and the first connector 2a.
  • the first connecting member 2a can be connected to two adjacent side frames 1 in different directions by means of a plurality of fasteners 3, respectively.
  • fasteners on the first connector 2a and the second connector 2b respectively connect the side frame 1 and the corresponding connector 2 along different penetration directions, these fasteners 3 can restrain the connector 2 and the side frame 1
  • the degrees of freedom in multiple different directions allow the side frame 1 to be fixed and limited in multiple directions orthogonal to each other Therefore, the spatial position of the side frame is reliably defined, and the phenomenon that the side frame 1 is misaligned and the seam is too large due to inaccurate positioning is avoided.
  • each corner of the screen frame has a first connecting member 2a and a second connecting member 2b, accordingly, the number of the receiving grooves 11 on the side frame 1 can also be two, and the receiving grooves 11 and the connecting parts 2 One-to-one setting.
  • each accommodating groove 11 on the side frame 1 will be correspondingly inserted into a connecting member 2, and the connecting member 2 is connected to another adjacent side frame to achieve connection and fixing.
  • the connecting member 2 is used to connect two adjacent side frames 1a and side frames 1b, accordingly, as a structural form provided by some embodiments of the present disclosure, the number of the plug-in portions 21 of the connecting member 2 is two, The two plug-in portions 21 are respectively located on different sides of the connecting member 2, and the two plug-in portions 21 are respectively used to connect with different accommodating grooves 11 on the corresponding side frame 1.
  • the connecting member 2 may also have connecting parts with different extending directions.
  • two adjacent side frames 1a and 1b are generally located in the same plane, and the length directions of the two side frames are perpendicular to each other, so that the extending directions of the two insertion portions can also be kept perpendicular to each other.
  • the entire connecting member 2 may be a structural member having two straight sides at an angle to each other, for example, an "L" shaped structural member, and the two sides of the structural member can be used as two plug-in portions, respectively 21. Used to connect with the corresponding side frame. Among them, the two plug-in portions 21 may form an angle of 90° at this time.
  • the plug portion of the connector 2 may also have other structures and extension directions.
  • the plug portion and the side frame 1 may have a certain angle in the longitudinal direction to reduce the difficulty of assembling the connector 2 and the side frame 1, There is no restriction here.
  • the thickness and width of the side frame 1 will be greatly restricted, so that the overall accommodation space of the side frame 1 is relatively limited.
  • the number of connecting pieces 2 should not be too much.
  • the number of the connecting pieces 2 at the junction of adjacent side frames may be two.
  • the first connector 2a and the second connector 2b are arranged along the radial direction of the screen frame, for example, along the diagonal of the screen frame.
  • the first connector 2a and the second connector 2b are located on the inner and outer sides of the screen frame in the plane direction, respectively.
  • the first connector 2a and the second connector 2b can be respectively connected to different parts of the inner and outer sides of the side frame 1 to avoid the seam between the adjacent two side frames 1 being wider on one side and larger on the other side. Narrow unevenness.
  • the first connector 2a may be located outside the second connector 2b along the radial direction of the entire screen frame, for example, located outside the second connector 2b along the diagonal of the entire screen frame, that is, near the outer side wall of the screen frame And the second connector 2b is located near the inner side wall of the screen frame.
  • the first connector 2a has two plug-in parts, and the two plug-in parts respectively correspond to two side frames 1a and 1b in different directions as an example.
  • the specific connection structure of the part and the accommodating groove will be described: the first connector 2a has plug-in parts 211a and 212a facing different directions, and the plug-in part 211a passes through a fastener (not shown in the figure) corresponding to the connection hole 23a ) Is connected to the side frame 1a, and the insertion portion 212a is connected to the side frame 1b through a fastener (not shown) passing through another connection hole 23a, and the fasteners connecting different side frames have the same orientation, ie Both are oriented perpendicular to the plane where the side frame 1a and the side frame 1b are located.
  • a connection hole (for example, a connection hole 23a formed in the insertion portion 211a and the insertion portion 212a) may be provided in the insertion portion of the first connector 2a, and, see FIG. 3a, Corresponding connecting holes 13 and 14 are also defined in the side wall of the receiving groove 11 of the side frame 1, and the first connecting member 2 a and the side frame 1 are connected by fasteners passing through the connecting holes 13 and 14. It can be understood that the connection hole 23a formed in the insertion portion 211a and the connection hole 23a formed in the insertion portion 212a may have the same orientation.
  • the penetration direction of the fastener 3 that is, the axial direction of the fastener 3 will be located in the plane of the screen frame.
  • the second connecting member 2b since the two adjacent side frames 1a and side frames 1b are respectively oriented in two mutually perpendicular directions in the plane where the screen frame is located, the second connecting member 2b will be respectively tightened to different side frames through different fasteners
  • the fasteners that are firmly connected together and used to connect different side frames will have different orientations.
  • fasteners 33 and 34 may be used to connect the second connector 2b and the side frame 1.
  • the second connector 2b has two plug portions, and the two plug portions correspond to two side frames 1a and 1b in different directions as an example:
  • the second connector 2b has a plug portion 211b and a plug portion 212b facing different directions, the plug portion 211b is connected to the side frame 1a by a fastener 33, and the other plug portion 212b is connected to the side frame 1b by a fastener 34 Connection, wherein the orientation of the fastener 33 and the fastener 34 are both located in the plane where the screen frame is located, and at this time, in order to connect the two side frames 1a and 1b with different orientations respectively, the fastener 33 and the fastener 34 With different orientations, for example, the fastener 33 is connected to the side frame 1a in a direction parallel to the side frame 1b, and the fastener 34 is connected to the side frame 1b in a direction parallel to the side frame 1a.
  • connection hole for example, a plug
  • the connection holes 23b formed in the insertion portion 211b and the connection holes 23b formed in the insertion portion 212b may be perpendicular to each other.
  • the orientation of the fastener connected to the second connector 2b is parallel to the plane where the screen frame is located, in order to allow the fastener to be reliably connected to the corresponding side frames 1a and 1b, in some implementations of the present disclosure
  • at least two fasteners including a fastener 33 and a fastener 34 are connected to the second connecting member 2b, and the penetration direction of each fastener and the side frame 1 corresponding to the fastener are mutually vertical.
  • the fastener 3 connects the side frame 1 and the second connector 2b in a direction perpendicular to the longitudinal direction of the side frame 1.
  • the fasteners 3 connected to the adjacent side frames will also maintain the directions perpendicular to each other.
  • the penetration direction of the fastener 3 connected to the first connection member 2a is perpendicular to the plane where the screen frame is located, and thus will also maintain the penetration direction of the fastener corresponding to the second connection member 2b Mutually perpendicular.
  • the fasteners 3 on the first connecting member 2a and the second connecting member 2b can be inserted into the connecting holes 23a and 23b respectively, and the connecting members 2 (first The connecting piece 2a or the second connecting piece 2b) and the two side frames (side frame 1a and side frame 1b) are fixed together, so that the side frame 1 can be fixed in multiple directions, and the connection and positioning effect is better and can be effective Reduce the phenomenon that the seam of the side frame 1 is too large and misaligned.
  • a reinforcement structure may also be provided on the connector 2.
  • a reinforcing structure may be provided on the second connecting member 2b, which will be described below as an example.
  • a reinforcement rib 24 is provided between the two plug portions 211b and 212b of the second connector 2b, so that the connection of the reinforcement rib 24 can ensure that the two plug portions are stressed in the connection Can still maintain the original angle.
  • the side of the reinforcing rib 24 facing the insertion direction of the insertion portion has a limiting surface 241, and the limiting surface is used for abutting and positioning with the structure on the side frame 1.
  • the screen frame includes a plurality of side frames connected end to end, and at least two connecting pieces are provided at the junction of any two adjacent side frames, and the connecting pieces are connected at both sides.
  • the side frames are provided with accommodating grooves, and the insertion portion of the connecting piece and the side wall of the accommodating grooves can be connected by fasteners
  • at least part of the plug-in portions of the connector are provided with one or more retractable engaging members, and correspondingly, one or more receptacle holes are opened on the side wall of the receptacle
  • the at least two connecting members include a first connecting member and a second connecting member, the penetration direction of the fastener on the first connecting member is perpendicular to the plane where the screen frame is located, and the penetration of the fastener on the second connecting member The direction is parallel to the plane where the screen frame is located.
  • a laser projection display device 300 provided by some embodiments of the present disclosure includes a projection screen 301 and the screen frame 302 described in the foregoing embodiment, and the screen frame 302 is surrounded outside the projection screen 301.
  • the laser projection display device 300 further includes a projection host 303. The specific structure, function, and working principle of the screen frame 302 have been described in detail in the foregoing embodiments, and will not be repeated here.
  • the projection screen 301 in the laser projection display device 300 is usually a soft or hard optical film, so that the projection screen 301 can be used to display the image projected from the projection host 303, and
  • the screen frame 302 surrounding the outside of the projection screen 301 can fix and position the projection screen 301, so that the projection screen 301 can be fixed at a preset position, and the projection screen 301 is extended into a flat projection surface.
  • the screen frame 302 can be connected to the edge of the projection screen 301 to fix the projection screen 301.
  • the laser projection display device 300 may also include auxiliary components such as a support frame, which is not limited herein.
  • the laser projection display device includes a projection screen and a screen frame, and the screen frame surrounds the outside of the projection screen;
  • the screen frame includes a plurality of side frames connected end to end, and the junction of any two adjacent side frames
  • At least two connecting pieces are provided, the connecting pieces are connected between two adjacent side frames, and the connecting pieces are connected to the side frame by fasteners, and the joint between the side frame and the adjacent side frame is provided with the At least two connecting members correspond to the receiving grooves in one-to-one correspondence.
  • the connecting member has a plug-in portion that can extend into the receiving groove. At least a part of the plug-in portions of the plug-in portion is provided with a retractable engaging member.
  • the side wall of the groove is provided with an accommodating hole corresponding to the engaging piece; the engaging piece is used to extend into the accommodating hole to achieve positioning; and, the insertion portion is connected to the side wall of the accommodating groove through a fastener,
  • the relative position of the connector and the side frame can be quickly achieved, thereby improving the installation efficiency, so that the person who does not have assembly experience can also easily complete the assembly work of the screen frame, thereby facilitating the user to freely assemble the screen frame.
  • the at least two connectors include a first connector and a second connector, the penetration direction of the fastener on the first connector is perpendicular to the plane where the screen frame is located, and the fastener on the second connector The direction of penetration is parallel to the plane where the screen frame is located.

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Abstract

一种屏幕框架及激光投影显示装置。屏幕框架包括：首尾相接的多条侧边框（1a），相邻两条侧边框（1a）的接合处设置至少两个连接件（2），侧边框（1a）设有与至少两个连接件（2）一一对应的容置槽（11），连接件（12）具有可伸入容置槽（11）内的插接部（21），插接部（21）设有可伸缩的卡合件（22），容置槽（11）设有与卡合件（22）对应的容置孔（12），卡合件（22）伸入容置孔（12）内实现定位，插接部（21）通过紧固件（3）和容置槽（11）的侧壁连接，能够快速实现连接件（12）和侧边框（1a）的定位，提高安装效率。

Description

屏幕框架及激光投影显示装置
本申请要求于2018年12月19日提交中国专利局、申请号为201811556268.8、发明名称为“屏幕框架及激光投影显示装置”的中国专利申请以及于2018年12月19日提交中国专利局、申请号为201811556774.7、发明名称为“屏幕框架及激光投影显示装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本公开涉及显示器领域，尤其涉及一种屏幕框架及激光投影显示装置。
背景技术
随着科技的不断发展和人们生活水平的提高，新型激光投影显示装置得到了越来越广泛的应用。
目前，激光投影屏幕中，框架式屏幕具有重量轻、成本低、便于组装等优点，因而得到了广泛的应用。其中，框架式屏幕通过多条侧边框拼合而成。
发明内容
本公开提供一种屏幕框架及激光投影显示装置，能够较为容易的进行准确对位和拼接。
一方面，本公开提供一种屏幕框架，包括首尾相接的多条侧边框，任意相邻两条侧边框的接合处设置有至少两个连接件，侧边框与相邻侧边框的结合处开设有与该至少两个连接件一一对应的容置槽，至少两个连接件具有可伸入容置槽内的插接部，该插接部中的至少部分插接部中的每一个设置有可伸缩的卡合件，且容置槽的与具有所述卡合件的插接部对应的侧壁开设有与卡合件对应的容置孔；卡合件用于伸入容置孔内实现定位；以及，该插接部通过紧固件和容置槽的侧壁连接。
另一方面，本公开提供一种激光投影显示装置，包括投影主机，投影屏幕和如上所述的屏幕框架，屏幕框架围设在投影屏幕外侧。
本公开技术方案提供的屏幕框架，侧边框上开设有容置槽，连接件的插接部与容置槽的侧壁可通过紧固件连接，以及，连接件的插接部中的至少部分插接部设置有可伸缩的卡合件，对应地，容置槽的与具有所述卡合件的插接部对应的侧壁还开设有容置孔，因此，在实现连接件与侧边框进行固定连接时，插接部的卡合件与容置槽的侧壁上的容置孔进行卡合限位，能够快速的实现连接件和侧边框的相对位置的定位，从而提高安装效率，使得不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架自由组装，节省装配费用。
在本公开的基础上，可以显而易见的获得更多的实施情形。应当理解的是，本公开的众多实施情形可以单独实施，也可以是一个或以上的实施情形的组合。本公开中给出的实施情形的表述是为了更好的描述呈现本公开，并不构成对本公开的限定。
附图说明
为了更清楚地说明本公开实施例或相关技术中的技术方案，下面将对实施例或相关技术描述中所需要使用的附图作一简单地介绍，显而易见地，下面描述中的附图是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1是相关技术中一种框架式屏幕的结构示意图；
图2a是本公开一些实施例提供的屏幕框架的结构示意图；
图2b是本公开一些实施例提供的屏幕框架的爆炸示意图；
图3a是本公开一些实施例提供的屏幕框架中两个相邻侧边框的连接位置示意图；
图3b是本公开一些实施例提供的屏幕框架中两个相邻侧边框的连接位置爆炸示意图；
图4a是本公开一些实施例提供的屏幕框架中连接件和侧边框的连接结构示意图；
图4b是本公开另一些实施例提供的屏幕框架中连接件和侧边框的连接结构示意图；
图5a是本公开一些实施例提供的屏幕框架中第一连接件的结构示意图；
图5b是本公开另一些实施例提供的屏幕框架中第一连接件的结构示意图；
图6a是本公开一些实施例提供的屏幕框架中第二连接件的结构示意图；
图6b是本公开另一些实施例提供的屏幕框架中第二连接件的结构示意图；
图7是本公开一些实施例提供的屏幕框架中卡合件和侧边框的连接结构示意图；
图8是本公开一些实施例提供的一种激光投影显示装置的结构示意图。
附图标记说明：
1、1a、1b、10—侧边框；20—角部连接件；2—连接件；2a—第一连接件；2b—第二连接件；11—容置槽；12—容置孔；13、14、20b、23a、23b—连接孔；33、34—紧固件；21、211a、211b、212a、212b—插接部；22—卡合件；24—加强筋；201—伸出部；221—卡接端；241—限位面；300—激光投影显示装置；301—投影屏幕；302—屏幕框架；303—投影主机。
具体实施方式
为使本公开实施例的目的、技术方案和优点更加清楚，下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本公开一部分实施例，而不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
图1是相关技术中一种框架式屏幕的结构示意图。如图1所示，在侧边框10拼合连接时，对应屏幕相邻两侧边的两条侧边框10之间通过角部连接件20进行连接。角部连接件20具有两个互成直角的伸出部201，侧边框10的接缝处设置有滑槽(图中未示出)，角部连接件20的一个伸出部201可以伸入其中一个侧边框10的滑槽内， 而另一个伸出部201伸入另一个方向侧边框10的滑槽内部，对应地，在侧边框10上，以及连接件20的伸出部201上分别设置有连接孔20b，当伸出部201伸入对应的滑槽内后，需要目测将对应地连接孔20b对齐，然后用螺钉等紧固件依次穿设在上述多个连接孔20b锁紧，从而将角部连接件20与侧边框10连接在一起，完成侧边框之间的装配。
在目前的激光投影屏幕中，一方面，在对侧边框10和伸出部201上设置的连接孔20b进行对齐时，难以进行准确的对位，往往需要多次尝试，才能精准对位，造成相邻侧边框之间的位置和接缝难以调整，从而可能出现侧边框错位、拼缝过大或者拼缝不均匀现象；另一方面，完成对位后，还要保持侧边框10和角部连接件20的相对位置不变，比如保持角部连接件20此时伸入滑槽的状态，直至完成紧固件的固定；再一方面，通常为了使得角部连接件20和侧边框10装配的更为牢固，需要设置多对连接孔20b，从而需要多次重复上述的安装过程，这使得框架式屏幕的安装效率很低，用户体验较差，非常不利于实现用户的自主安装。
为了能够容易地进行准确定位和拼接，本公开提供了一种屏幕框架及激光投影显示装置。以下将结合附图对本公开的实施例进行描述。
图2a是本公开一些实施例提供的屏幕框架组装的结构示意图。图2b是本公开一些实施例提供的屏幕框架的爆炸示意图。图3a是本公开一些实施例提供的屏幕框架中两个相邻侧边框的连接位置示意图。图3b是本公开一些实施例提供的屏幕框架中两个相邻侧边框的连接位置爆炸示意图。图4a是本公开一些实施例提供的屏幕框架中连接件和侧边框的连接结构示意图。图4b是本公开另一些实施例提供的屏幕框架中连接件和侧边框的连接结构示意图。图5a是本公开一些实施例提供的屏幕框架中第一连接件的结构示意图。图5b是本公开另一些实施例提供的屏幕框架中第一连接件的结构示意图。图6a是本公开一些实施例提供的屏幕框架中第二连接件的结构示意图。图6b是本公开另一些实施例提供的屏幕框架中第二连接件的结构示意图。图7是本公开一些实施例提供的屏幕框架中卡合件和侧边框的连接结构示意图。
参见图3a-4b所示的屏幕框架一个角部连接的局部示意图，本公开的一些实施例提供的屏幕框架，包括首尾相接的多条侧边框1，相邻两条侧边框1的接合处设置有至少两个连接件2，连接件2均连接在两条相邻的侧边框，例如是侧边框1a和侧边框1b之间，且连接件2均通过紧固件3和侧边框1连接。
在利用连接件2连接相邻的两个侧边框1时，连接件2和侧边框1可以具有多种不同的连接结构和连接方式。而为了防止连接件2影响到屏幕框架的整体外观，可以利用侧边框1遮挡或者容置连接件2，从而将避免连接件2外露。在本公开的一些实施例提供的连接结构中，两个相邻的侧边框1的结合处开设有与连接件2一一对应的容置槽11，容置槽11的深度方向沿侧边框1的长度方向，连接件2具有可伸入容置槽11内的插接部21，紧固件3穿过容置槽11的侧壁以及插接部21，以连接连接件2和侧边框1。
如图4a和4b所示，插接部21设置有可伸缩的卡合件22，以及如图7所示，容置槽11的侧壁开设有与卡合件对应的容置孔12，卡合件22可伸入并卡接于容置孔12内，从而实现定位限位作用。当进行组装时，卡合件22随着插接部21伸入容置槽11 中，由于卡合件22可伸缩，在未进入容置孔12之前，卡合件22处于受迫压缩状态，当到达容置孔12位置时，卡合件22弹起进入容置孔12中，容置孔12将卡合件22限位在此位置处。
在本公开的一些实施例中，容置槽11位于侧边框1的与相邻侧边框对接的端部，且容置槽11的开口可以位于侧边框1的用于和相邻侧边框对接的端面上。此时，连接件2的插接部21可以向侧边框1的端部延伸，并通过容置槽11的开口插入容置槽11之中。从屏幕框架的外侧看去，连接件2被收容并隐藏在容置槽11内，因而屏幕框架的外观较为简洁美观。而由于插接部21位于容置槽11内，这样紧固件3即可穿设在容置槽11的侧壁以及插接部21上，将连接件2和侧边框1连接在一起。在本公开的一些实施例中，可以在容置槽11的侧壁以及插接部21的与侧壁相对的一面上均设置用于穿设紧固件3的连接孔。当连接件2与侧边框1安装到位后，容置槽11的连接孔与插接部21的连接孔的位置会重叠，此时即可将紧固件3穿过该连接孔进行连接。其中，当紧固件3为螺纹连接件时，容置槽11的连接孔与插接部21的连接孔可以一个为光孔、另一个为螺纹孔。
此时，由于连接件2内置在侧边框1中，所以两条侧边框1a和1b的对接处可以具有相互匹配的形状，这样能够形成整洁、美观的屏幕框架外观。
在上述实施例提供的屏幕框架中，侧边框上开设有容置槽，连接件的插接部与容置槽的侧壁可通过紧固件3连接，以及，连接件的插接部中的至少部分插接部设置有可伸缩的卡合件，对应地，容置槽的与具有卡合件的插接部对应的侧壁还开设有容置孔，因此，在实现连接件与侧边框进行固定连接时，插接部的卡合件与容置槽的侧壁上的容置孔进行卡合限位，能够快速的实现连接件和侧边框的相对位置的定位，从而提高安装效率，使得不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架自由组装，节省装配费用。
进一步地，如图3b所示，该至少两个连接件2可以为分别设置于屏幕矩形框架四个角部连接处的四组连接件，每组连接件包括两个连接件。
在本公开的一些实施例中，连接件2包括第一连接件2a和第二连接件2b，其中，第一连接件2a和第二连接件2b沿屏幕框架的对角线排列，第一连接件2a位于第二连接件2b的外侧。
而在通过连接件2连接相邻两个侧边框时，连接件2需要和侧边框1保持合适的相对位置才能正确连接和组装。为了保证连接件2和侧边框1之间的准确定位，当连接件2上具有插接部21，而侧边框1上开设有容置槽11，且连接件2和侧边框1通过插接部21与容置槽11的相互配合实现连接时，在本公开的一些实施例中，可以在第一连接件2a或者第二连接件2b上设置一个或多个可以伸缩的卡合件22，每个卡合件22包括可伸出插接部21的外表面的卡接端221，至少一部分侧边框1开设有与卡合件对应的容置孔12，卡接端221伸入以及卡接在容置孔12内，从而得到容置孔12的定位。
在本公开的一些实施例中，第一连接件2a可以为如图5a所示的结构，也可以为如图5b所示的结构。图5b中，第一连接件2a上还设置有卡合件22。在本公开的一些实施例中，卡合件22分别设置于第一连接件2a的两个插接部211a和212a上，且 靠近第一连接件2a的角部设置。
如图6a所示，在第二连接件2b上设置有卡合件22。在本公开的一些实施例中，卡合件22也为多个，并设置于第二连接件2b的两个插接部上。
如上所述，一个或多个卡合件22可以仅位于第一连接件2a上，也可以仅位于第二连接件2b上，或者是在第一连接件2a和第二连接件2b上均设置卡合件22。在本公开的一些实施例中，第二连接件2b在垂直于屏幕框架所在平面方向上具有较厚的厚度，因而在该方向上具有较大的空间来安置卡合件22，因此，本公开的这些实施例以卡合件22设置在第二连接件2b上为例进行说明。
为了让插接部21能够插入到容置槽11中合适的位置，卡合件22自身包括有弹簧或者其它弹性构件，因而可以让卡合件22的部分结构，例如是卡接端221在弹性作用下从插接部21的外表面伸出。而相应的，在侧边框1上设置有与插接部21对应的容置孔12。当连接件2上的插接部21伸入至容置槽11内的正确位置时，侧边框1上的容置孔12与插接部21上的卡合件22的位置会相互重合。
在插接部21插入容置槽11的过程中，由于连接件2的插接部21具有和容置槽11内壁相互匹配的形状，所以插接部21的外壁和容置槽11的内壁保持相互贴合或者具有较小的间隙。此时，插接部21上所设置的卡合件22会与容置槽11的内壁抵接，并在自身弹力以及容置槽11的侧壁压力作用下维持卡接端221缩回的状态。而当插接部21继续在容置槽11内移动，直至卡合件22与侧边框1的容置孔12位置重合时，卡合件22会失去来自容置槽11内壁的约束，此时卡接端221即可在自身弹力作用下朝向插接部21外表面外侧弹出，并伸入容置孔12内。这样卡接端221即可与容置孔12完成卡合，当插接部21有继续向容置槽12内移动的趋势时，位于容置孔12内的卡接端221会与容置孔12的孔壁相抵，从而阻止插接部21的继续移动，让连接件2和侧边框1之间得以实现准确定位。其中，容置孔12可以为通孔等不同形式。
在插接部21上可以设置一个卡合件22，也可以设置多个间隔排布的卡合件22，并利用多个卡合件22提高容置槽11和插接部21之间的安装精度。插接部21上的卡合件22数量可以根据屏幕框架的尺寸大小和具体结构而进行调整，此处不加以限制。
为了让卡合件22在插接部21插入容置槽11的过程中一直保持缩回状态，直至卡合件22的卡接端伸入容置孔12内，卡合件22应具有和插接部21的插入方向不同的伸缩方向，例如是卡合件22的伸缩方向与插接部21的插入方向相互垂直。这样当插接部21插入容置槽11中时，卡合件22与容置槽11的内壁之间的间距始终保持不变，因而卡合件22在和容置孔11位置重合前可以一直保持缩回状态。因此，在本公开的一些实施例中，卡合件22位于插接部21的侧壁，也就是朝向与插接部21插入方向不同的壁上，且卡合件22的伸缩方向与插接部21的侧壁保持相互垂直。而为了便于观察卡合件22是否已卡入容置孔12内，卡合件22通常垂直于屏幕框架所在的平面的方向设置，也就是说，卡合件22位于屏幕框架的面向屏幕或者背离屏幕的一面，这样卡合件22进入容置孔12后，用户可以从屏幕框架的外侧面较为容易的观察到卡合件22是否完成卡合。
插接部21的侧壁一般会与插接部21插入方向相互平行，以便于插接部21的插入。因而卡合件22的伸缩方向与插接部21侧壁保持垂直时，也会相应的同插接部21的插 入方向维持相互垂直的状态。此时插接部21的移动不会影响到卡合件22的伸缩状态，使得卡合件22的工作较为可靠。
而为了便于让卡合件22顺畅的卡入容置孔12之中，在本公开的一些实施例中，卡合件22的卡接端221可以为圆弧状的端部。此时，卡接端221在进入容置孔12的过程中，卡接端221的圆弧状外形一方面能够有效减小卡接端221与容置孔12边缘之间的阻力及摩擦力；另一方面卡接端221在和容置孔12边缘区域抵接时，圆弧状的卡接端221也可以将卡合件22的弹力转化为朝向容置孔12的分力，此时在该分力的作用下，即可让卡接端221自动向容置孔12方向弹出，而插接部21也相应的被带动至正确的定位位置。
为了实现卡合件22的伸缩以及与容置孔12的卡合，卡合件22可以具有多种不同的结构和形式。在本公开的一些实施例中，卡合件22可以为弹簧柱塞。弹簧柱塞也称为球头柱塞，其内部设置有弹簧等弹性件，因而可以依靠弹簧等弹性件的弹力实现柱塞的伸缩作业。
当卡合件22为弹簧柱塞时，由于弹簧柱塞内部均为金属结构，因而当弹簧柱塞的卡接端221伸入容置孔12并与容置孔12卡合时，弹簧柱塞的卡接端221会因与侧边框1之间的触碰而发出清脆的触碰音，用户听到该触碰音后即可知道侧边框1与连接件2之间安装到位，从而保证了装配定位精度，并减少了安装难度。
卡合件22为弹簧柱塞时，可以在连接件2的插接部21上设置安装孔或者安装槽，并将弹簧柱塞通过过盈配合或者安装螺纹安装于安装孔或者安装槽之中，此时，弹簧柱塞的大部分结构均掩埋在安装孔或者安装槽内，而卡接端221可以在伸出状态下凸出于插接部21的外表面，并与容置孔12卡合连接。
第一连接件2a上紧固件3的穿入方向与屏幕框架所在的平面相互垂直，第二连接件2b上紧固件3的穿入方向与屏幕框架所在的平面相互平行。
第一连接件2a设置有卡合件22时，卡合件22的伸缩方向可与第一连接件2a上紧固件3的穿入方向相同，所述卡合件远离插接部21的伸入方向设置。
第二连接件2b设置有卡合件22时，卡合件22的伸缩方向与第二连接件2b上紧固件3的穿入方向相互垂直。参见图6b，图6a。卡合件22和连接件2b上的连接孔23b分别设置在插接部侧壁的不同表面上。在本公开的一些实施例中，卡合件22和连接件2b上的连接孔23b互相垂直。
在本公开的一些实施例中，屏幕框架安装时是将屏幕框架平放于操作台上或地面上，这样屏幕框架的背面朝向安装者，为了使得安装者对于连接件插入侧边框容置槽时有更为直观的观察，容置槽侧壁的容置孔朝向屏幕框架的背面设置，即面对安装者的方向。这样，安装者容易从容置孔中观察到卡合件的顶部。
参见图2a-图7，在本公开的一些实施例中，屏幕框架通常为矩形的框架结构，而侧边框1对应屏幕框架的四条侧边所在的方向，且侧边框1的数量一般可以为四条。这样四条侧边框1首尾相接后，即可围成矩形的屏幕框架。此时，相邻两个侧边框，例如是侧边框1a和侧边框1b分别对应矩形的两条邻边。这样每相邻两条侧边框的结合处即对应屏幕框架的一个角部位置，连接件2均设置在该角部位置，并连接这两个侧边框1a和1b。
为了连接相邻两条侧边框1a和1b，连接件2的数量可以为两个，且每个连接件均位于相邻的两条侧边框，即侧边框1a和侧边框1b之间，并通过紧固件3将两条侧边框1a和侧边框1b连接固定在一起。在本公开的一些实施例中，每个连接件2均具有与不同侧边框对应连接的连接部位，且这些连接部位和侧边框1具有部分或者全部重叠区域，从而可以依靠这些连接部位和侧边框1进行连接。
由于连接件2的连接部位与侧边框1部分或全部重叠，为了完成侧边框1的固定，可让紧固件3穿过这些连接部位以及对应的侧边框1，从而将连接件与侧边框1连接固定在一起。其中，连接件2上的连接部位以及侧边框1上可以设置有相互对应的连接孔，紧固件3可以穿过这些连接孔，并实现连接件和侧边框1之间的固定。在本公开的一些实施例中，这些连接孔可以为螺纹孔或者光孔等形式，而紧固件3可以为螺栓、螺钉或者是铆钉等常用的紧固件形式。
为了让侧边框1得到不同方向上的固定，屏幕框架中包括有第一连接件2a和第二连接件2b，第一连接件2a和第二连接件2b均通过螺钉等紧固件3与对应的侧边框1连接，且位于第一连接件2a上的紧固件3与位于第二连接件2b上的紧固件3具有不同的穿入方向。在本公开的一些实施例中，可以让第一连接件2a上紧固件3的穿入方向与屏幕框架所在的平面相互垂直，而第二连接件2b上的紧固件的穿入方向与屏幕框架所在的平面相互平行。这样侧边框1无论是在屏幕框架所在平面内的方向，还是垂直于屏幕框架所在平面的方向，均能够得到紧固件的固定，从而实现与连接件2之间的精确定位和连接。
当第一连接件2a上紧固件3的穿入方向与屏幕框架所在的平面相互平行时，用于和第一连接件2a连接的紧固件3会沿着垂直于屏幕框架所在平面的方向穿入侧边框1以及第一连接件2a内部。其中，第一连接件2a可以依靠多个紧固件3分别和相邻的两个不同方向的侧边框1连接。
由于第一连接件2a和第二连接件2b上的紧固件分别沿着不同的穿入方向连接侧边框1以及相应的连接件2，因而这些紧固件3能够约束连接件2和侧边框1在多个不同方向(平行于屏幕框架所在的平面的方向以及垂直于屏幕框架所在平面的方向)上的自由度，让侧边框1在相互正交的多个方向上均得到固定和限位，由此可靠的限定了侧边框的空间位置，避免侧边框1因定位不准而出现错层和拼缝过大的现象。同时，紧固件3在紧固过程中，会利用自身的紧固力对连接件2和侧边框1产生拉紧作用，让连接件2和侧边框1在紧固件的紧固力作用下，相互靠近并纠正自身的位置，确保连接件2和侧边框1之间具有准确的定位。这样利用不同穿入方向的紧固件连接侧边框1的方式，对于侧边框1之间的对接和装配位置精度要求较低，让不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架自由组装，节省装配费用。
由于屏幕框架的每个角部具有第一连接件2a和第二连接件2b，因而相应的，侧边框1上的容置槽11的数量同样可为两个，且容置槽11和连接件2一一对应设置。当连接件2安装至侧边框1上时，侧边框1上的每个容置槽11会对应插入一个连接件2，并通过该连接件2和相邻的另一条侧边框实现连接固定。
由于连接件2用于连接两个相邻的侧边框1a和侧边框1b，因而相应的，作为本 公开的一些实施例提供的结构形式，连接件2的插接部21的数量为两个，两个插接部21分别位于连接件2的不同侧，且两个插接部21分别用于和对应侧边框1上的不同容置槽11连接。
在本公开的一些实施例中，由于相邻的两条侧边框1a和侧边框1b的延伸方向不同，因而连接件2上也可以具有延伸方向不同的连接部位。其中，两个相邻的侧边框1a和1b一般位于同一平面内，且两个侧边框的长度方向相互垂直，因而两个插接部的延伸方向也可以保持相互垂直。此时，连接件2整体可以为呈一具有两条互成角度的直边的结构件，例如“L”形的结构件，而该结构件的两条边即可分别作为两个插接部21，用于和对应侧边框连接。其中，两个插接部21此时可以呈90°夹角。
此外，连接件2的插接部也可以具有其它结构和延伸方向，例如可以让插接部与侧边框1的长度方向具有一定的夹角，以减少连接件2和侧边框1的装配难度，此处并不加以限制。
由于受到屏幕框架的整体尺寸影响，侧边框1的厚度和宽度会受到较大的限制，使得侧边框1的整体容纳空间较为有限。而相应的，连接件2的数量也不宜过多。例如对于相邻侧边框结合处的连接件2数量可以为两个。
在本公开的一些实施例中，第一连接件2a和第二连接件2b沿屏幕框架的径向排列，例如，沿屏幕框架的对角线排列。也就是说，第一连接件2a和第二连接件2b分别位于屏幕框架的沿平面方向的内外两侧。这样第一连接件2a和第二连接件2b可以分别连接在侧边框1的内外两侧的不同部位，避免相邻两个侧边框1之间的接缝出现一侧较宽、另一侧较窄的不均匀现象。其中，第一连接件2a可以位于第二连接件2b的沿整个屏幕框架径向的外侧，例如，位于第二连接件2b的沿整个屏幕框架对角线的外侧，也就是靠近屏幕框架外侧壁的位置；而第二连接件2b位于靠近屏幕框架内侧壁的位置。
为便于理解，参见图5a和5b，以下以第一连接件2a具有两个插接部，且两个插接部分别对应两个不同方向的侧边框1a和侧边框1b为例，对插接部和容置槽的具体连接结构进行说明：第一连接件2a具有朝向不同方向的插接部211a和212a，插接部211a通过对应穿过连接孔23a的紧固件(图中未示出)和侧边框1a连接，插接部212a通过穿过另一连接孔23a的紧固件(图中未示出)和侧边框1b连接，连接不同侧边框的紧固件具有相同的朝向，即均朝向均垂直于侧边框1a和侧边框1b所在的平面。在本公开的一些实施例中，可以是在第一连接件2a的插接部开设连接孔(例如是插接部211a和插接部212a上开设的连接孔23a)，并且，参见图3a，侧边框1的容置槽11侧壁上同样开设相应的连接孔13、14，并利用穿过连接孔13、14的紧固件连接第一连接件2a和侧边框1。可以理解的是，插接部211a上开设的连接孔23a以及插接部212a上开设的连接孔23a可以具有相同的朝向。
而利用紧固件3连接第二连接件2b和侧边框1时，同样的，紧固件3的穿入方向，也就是紧固件3的轴向会位于屏幕框架所在平面内。此时，由于相邻两条侧边框1a和侧边框1b分别向屏幕框架所在平面内的两个相互垂直的方向，因而第二连接件2b会通过不同的紧固件分别与不同的侧边框紧固连接在一起，且用于连接不同侧边框的紧固件会具有不同的朝向。在本公开的一些实施例中，紧固件3中的用于连接第二连接 件2b和侧边框1的可以为紧固件33和紧固件34等。
和第一连接件2a类似，为便于理解，以第二连接件2b具有两个插接部，且两个插接部对应两个不同方向的侧边框1a和侧边框1b为例进行说明：第二连接件2b具有朝向不同方向的插接部211b和插接部212b，插接部211b通过紧固件33与侧边框1a连接，而另一插接部212b通过紧固件34与侧边框1b连接，其中，紧固件33和紧固件34的朝向均位于屏幕框架所在的平面内，此时，为了分别连接朝向不同的两个侧边框1a和1b，紧固件33和紧固件34具有不同的朝向，例如是紧固件33沿着和侧边框1b平行的方向与侧边框1a连接，而紧固件34沿着和侧边框1a平行的方向和侧边框1b连接。
在本公开的一些实施例中，用紧固件33和紧固件34连接第二连接件2b和侧边框1时，可以是在第二连接件2b的插接部开设连接孔(例如是插接部211b和插接部212b上开设的连接孔23b)，以及侧边框1a和1b容置槽的侧壁上同样开设连接孔，再将紧固件穿过两个连接孔，从而连接第二连接件2b和对应的侧边框1a和1b。其中，插接部211b上开设的连接孔23b以及插接部212b上开设的连接孔23b之间的朝向可以是相互垂直的。
进一步的，由于和第二连接件2b连接的紧固件的朝向与屏幕框架所在的平面平行，所以为了让紧固件能够可靠连接在对应的侧边框1a和1b上，在本公开的一些实施例中，第二连接件2b上连接有包括紧固件33和紧固件34在内的至少两个紧固件，每个紧固件的穿入方向与紧固件对应的侧边框1相互垂直。此时，紧固件3沿与侧边框1长度方向相互垂直的方向连接侧边框1和第二连接件2b。由于两个相邻侧边框1的长度方向相互垂直，所以与相邻侧边框连接的紧固件3也会保持相互垂直的方向。与此同时，连接在第一连接件2a上的紧固件3的穿入方向与屏幕框架所在的平面相互垂直，因而也会和对应第二连接件2b的紧固件的穿入方向均保持相互垂直。这样第一连接件2a和第二连接件2b上的紧固件3可以分别穿设在连接孔23a和连接孔23b中，并分别从至少三个相互正交的方向将连接件2(第一连接件2a或第二连接件2b)和两个侧边框(侧边框1a和侧边框1b)固定在一起，让侧边框1能够得到多个方向上的固定，连接和定位效果较好，能够有效减少侧边框1接缝过大和错位的现象。
上述实施例中，第二连接件2b的结构示意图可见图6a。
此外，为了避免连接件2在固定侧边框1时发生变形现象，在连接件2上还可以设置有加强结构。在本公开的一些实施例中，还可以如图6a所示，在第二连接件2b上设置加强结构，下面以此为例进行说明。在本公开的一些实施例中，第二连接件2b的两个插接部211b和212b之间设置有加强筋24，这样通过加强筋24的连接，能保证两个插接部在连接受力时仍能维持原有的角度。其中，加强筋24的面向插接部插入方向的一侧具有限位面241，限位面用于和侧边框1上的结构抵接定位。
综上，在本公开提供的多个实施例中，屏幕框架包括首尾相接的多条侧边框，任意相邻两条侧边框的接合处设置有至少两个连接件，连接件均连接在两条相邻的侧边框之间，且连接件均通过紧固件和侧边框连接，侧边框上开设有容置槽，连接件的插接部与容置槽的侧壁可通过紧固件连接，以及，连接件的插接部中的至少部分插接部设置有一个或多个可伸缩的卡合件，对应地，容置槽的侧壁开设有一个或多个容置孔， 因此，在实现连接件与侧边框进行固定连接时，插接部的卡合件与容置槽的侧壁上的容置孔进行卡合限位，能够快速的实现连接件和侧边框的相对位置的定位，从而提高安装效率，使得不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架自由组装，节省装配费用。
该至少两个连接件中包括第一连接件和第二连接件，第一连接件上紧固件的穿入方向与屏幕框架所在的平面相互垂直，第二连接件上紧固件的穿入方向与屏幕框架所在的平面相互平行。这样通过在平行于屏幕框架所在的平面以及垂直于屏幕框架所在的平面的多个不同方向对侧边框进行定位，可以让侧边框在相互正交的多个方向上均得到固定和限位，由此可靠的限定了侧边框的空间位置，避免侧边框因定位不准而出现错层和拼缝过大的现象，使得不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架和激光投影显示装置的自由组装，节省装配费用。
本公开的一些实施例还提供了一种激光投影显示装置。图8是本公开一些实施例提供的一种激光投影显示装置的结构示意图。如图8所示，本公开的一些实施例提供的激光投影显示装置300，包括投影屏幕301和上述实施例所述的屏幕框架302，屏幕框架302围设在投影屏幕301外侧。此外，激光投影显示装置300还包括投影主机303。其中，屏幕框架302的具体结构、功能以及工作原理均已在前述实施例中进行了详细说明，此处不再赘述。
在本公开的一些实施例中，激光投影显示装置300中的投影屏幕301通常为软质或者硬质的光学膜片，这样投影屏幕301可以用于显示来自投影主机303所投射的图像画面，而围设在投影屏幕301外侧的屏幕框架302可以对投影屏幕301进行固定和定位，使投影屏幕301能够固定在预设位置，且让投影屏幕301伸展成为平展的投影表面。其中，屏幕框架302可以与投影屏幕301的边缘连接以对投影屏幕301进行固定。
此外，激光投影显示装置300还可以包括有支撑架等附属部件，此处不加以限制。
本公开的这些实施例中，激光投影显示装置包括投影屏幕和屏幕框架，屏幕框架围设在投影屏幕外侧；屏幕框架包括首尾相接的多条侧边框，任意相邻两条侧边框的接合处设置有至少两个连接件，连接件均连接在两条相邻的侧边框之间，且连接件均通过紧固件和侧边框连接，侧边框与相邻侧边框的结合处开设有与该至少两个连接件一一对应的容置槽，连接件具有可伸入容置槽内的插接部，该插接部中的至少部分插接部设置有可伸缩的卡合件，且容置槽的侧壁开设有与卡合件对应的容置孔；卡合件用于伸入容置孔内实现定位；以及，该插接部通过紧固件和容置槽的侧壁连接，能够快速的实现连接件和侧边框的相对位置的定位，从而提高安装效率，使得不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架自由组装。
进一步地，该至少两个连接件中包括第一连接件和第二连接件，第一连接件上紧固件的穿入方向与屏幕框架所在的平面相互垂直，第二连接件上紧固件的穿入方向与屏幕框架所在的平面相互平行。这样通过在平行于屏幕框架所在的平面以及垂直于屏幕框架所在的平面的多个不同方向对侧边框进行定位，可以让侧边框在相互正交的多 个方向上均得到固定和限位，由此可靠的限定了侧边框的空间位置，避免侧边框因定位不准而出现错层和拼缝过大的现象，使得不具备装配经验的人员也能够较为容易的完成屏幕框架的装配工作，从而便于用户进行屏幕框架和激光投影显示装置的自由组装，节省装配费用。
最后应说明的是：以上各实施例仅用以说明本公开的技术方案，而非对其限制；尽管参照前述各实施例对本公开进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本公开各实施例技术方案的范围。

Claims (20)

  1. 一种屏幕框架，其特征在于，包括首尾相接的多条侧边框，任意相邻两条所述侧边框的接合处设置有至少两个连接件，所述侧边框与相邻侧边框的结合处开设有与所述至少两个连接件对应的容置槽，所述至少两个连接件具有可伸入所述容置槽内的插接部，所述插接部中的至少部分插接部中的每一个设置有可伸缩的卡合件，所述容置槽的与具有所述卡合件的插接部对应的侧壁开设有与所述卡合件对应的容置孔；
    所述卡合件用于伸入所述容置孔内实现定位；
    以及，所述插接部通过紧固件和所述容置槽的侧壁连接。
  2. 根据权利要求1所述的屏幕框架，其特征在于，所述卡合件固定于其上设置有所述卡合件的所述插接部的侧壁。
  3. 根据权利要求1或2所述的屏幕框架，其特征在于，所述卡合件的伸缩方向与其上设置有所述卡合件的所述插接部的侧壁表面垂直。
  4. 根据权利要求1至3任一所述的屏幕框架，其特征在于，所述容置槽的深度方向沿所述侧边框的长度方向。
  5. 根据权利要求1至4任一所述的屏幕框架，其特征在于，所述紧固件穿过所述容置槽的侧壁以及所述插接部，以连接所述至少两个连接件和所述侧边框。
  6. 根据权利要求1至5任一所述的屏幕框架，其特征在于，每个连接件的插接部的数量为两个，两个所述插接部分别位于所述连接件的不同侧，并分别与不同的所述容置槽连接。
  7. 根据权利要求6所述的屏幕框架，其特征在于，所述至少两个连接件包括第一连接件和第二连接件，所述第一连接件上紧固件的穿入方向与所述屏幕框架所在的平面相互垂直，所述第二连接件上紧固件的穿入方向与所述屏幕框架所在的平面相互平行。
  8. 根据权利要求7所述的屏幕框架，其特征在于，所述第一连接件和第二连接件沿所述屏幕框架的径向排列，所述第一连接件位于所述第二连接件的外侧。
  9. 根据权利要求8所述的屏幕框架，其特征在于，所述第一连接件和第二连接件沿所述屏幕框架的对角线排列。
  10. 根据权利要求7至9任一所述的屏幕框架，其特征在于，所述第二连接件上连接有至少两个所述紧固件，每个所述紧固件的穿入方向与所述紧固件对应的侧边框相互垂直。
  11. 根据权利要求7至10任一所述的屏幕框架，其特征在于，所述第一连接件和所述第二连接件中的至少一者上设置有所述卡合件。
  12. 根据权利要求11所述的屏幕框架，其特征在于，当所述第二连接件设置有所述卡合件时，所述卡合件的伸缩方向与所述第二连接件上紧固件的穿入方向相互垂直。
  13. 根据权利要求11所述的屏幕框架，其特征在于，当所述第一连接件设置有所述卡合件时，所述卡合件的伸缩方向与所述第一连接件上紧固件的穿入方向相同。
  14. 根据权利要求13所述的屏幕框架，其特征在于，所述卡合件远离所述插接部的伸入方向设置。
  15. 根据权利要求6所述的屏幕框架，其特征在于，每个连接件上的卡合件为多 个，分别设置于不同的插接部上。
  16. 根据权利要求1至15任一所述的屏幕框架，其特征在于，所述卡合件包括可伸出其上设置有所述卡合件的所述插接部的外表面的卡接端，所述卡接端用于伸入并卡接于所述容置槽内。
  17. 根据权利要求16所述的屏幕框架，其特征在于，所述卡接端为圆弧状端部。
  18. 根据权利要求1至17任一所述的屏幕框架，其特征在于，所述卡合件为弹簧柱塞。
  19. 根据权利要求1至18任一所述的屏幕框架，其特征在于，所述容置孔朝向所述屏幕框架的背面设置。
  20. 一种激光投影显示装置，包括投影主机，其特征在于，还包括投影屏幕和权利要求1-19任一项所述的屏幕框架，所述屏幕框架围设在所述投影屏幕外侧。
PCT/CN2019/098656 2018-12-19 2019-07-31 屏幕框架及激光投影显示装置 WO2020125016A1 (zh)

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CN207133568U (zh) * 2017-09-08 2018-03-23 四川长虹电器股份有限公司 柔性组装的光学屏幕结构
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CN2660633Y (zh) * 2003-10-24 2004-12-01 常州赛莱德科技有限公司 发光二极管屏体部件的框架结构件
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