CN212623558U - Curtain tensioning device - Google Patents
Curtain tensioning device Download PDFInfo
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- CN212623558U CN212623558U CN202021394834.2U CN202021394834U CN212623558U CN 212623558 U CN212623558 U CN 212623558U CN 202021394834 U CN202021394834 U CN 202021394834U CN 212623558 U CN212623558 U CN 212623558U
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Abstract
The utility model discloses a curtain tensioning device, which comprises a curtain for reflecting projection light, and comprises an end part and a middle part; the curtain frame is used for bearing the curtain, and the end part and the middle part of the curtain are arranged on the light incident side and the backlight side of the curtain frame; the connecting piece is arranged at the end part of the curtain and drives the curtain to move; one end of the connecting clamping strip is clamped with the connecting piece, and the other end of the connecting clamping strip is matched with the curtain frame to indirectly fix the curtain on the curtain frame; the adjusting part is worn to locate between curtain frame and the joint card strip for the direction linear motion of perpendicular to curtain frame's frame is followed to the control joint card strip, and then drives the connecting piece motion, and two connecting pieces at relative both ends form the pulling force of opposite direction to the curtain. The utility model discloses a but curtain overspeed device tensioner sets up the regulating part of corresponding linear motion, exerts opposite direction's pulling force to the curtain through connector card strip and connecting piece, makes the curtain tensioning, can adjust the curtain tension size through adjusting the regulating part, satisfies the different user demand of user.
Description
Technical Field
The utility model relates to a curtain installation technical field especially relates to a curtain overspeed device tensioner.
Background
Currently, projection screens are classified into hard screens and soft screens, and the installation of the hard screens and the soft screens has different modes. Take the hard screen of 100 inch light-resistant screen as an example, the hard screen is directly attached to a flat honeycomb aluminum plate or other metal plates, and packaged and delivered integrally. This structure has a problem of inconvenience in transportation and installation, for example, in high-rise houses where it is difficult to carry with elevators. Taking the soft curtain of the hot melt PVC curtain as an example, one mode is to directly install the lifting scroll on the screen and install the soft curtain in a suspension way, but the smoothness of the screen cannot be ensured when the installation mode is adopted. Another kind is through fusing a stereoplasm stick of technique in soft curtain both ends endocyst, the mode of adopting anti-package is wrapped up the curtain on the frame, then correspond at the screen frame back and set up a plurality of springs, realize the installation to the soft curtain through extension spring, this kind of mode has kept the planarization of screen through the spring to the pulling force of screen, also compromise and solved current installation and the inconvenient problem of packing transportation, but this scheme can't be applicable to the PET screen that has certain hardness, adopt spring mounting in addition, the accessory is many, the installation is loaded down with trivial details, the elasticity of spring is fixed when the design, the pulling force of unable adjustment spring when using, also can't adjust curtain tension size, can't satisfy user's different demands.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problems that the transportation and installation of the existing hard screen are inconvenient, the elasticity is fixed when the screen is tensioned by using a spring, the tension of the screen cannot be adjusted, and the use is inconvenient.
In order to solve the technical problem, the utility model discloses a technical scheme be: there is provided a curtain tensioning device comprising:
a curtain for reflecting the projected light, the curtain comprising at least two opposing ends and a middle portion between the two ends;
the curtain frame is used for bearing the curtain and comprises a light incident surface and a light emergent surface, the light incident surface of the curtain frame bears the middle part, the light emergent surface of the curtain frame bears the at least two opposite end parts, and the curtain frame is wrapped by the curtain from the light incident surface direction to the light emergent surface direction;
the connecting pieces are arranged at least two opposite end parts of the curtain and are used for driving the curtain to move;
the connecting clamping strip is arranged on the outer side of the connecting piece, one end of the connecting clamping strip is clamped with the connecting piece, and the other end of the connecting clamping strip is matched with the curtain frame and used for indirectly fixing the curtain on the curtain frame;
the adjusting part is worn to locate the curtain frame with between the joint card strip, be used for control the joint card strip is along the perpendicular to the direction linear motion of the frame of curtain frame, and then drive the connecting piece motion, two at relative both ends the connecting piece is right the curtain forms the pulling force of opposite direction.
The curtain frame at least comprises two opposite frames, the two opposite frames are used for providing supporting force for the curtain, and the curtain frame further comprises a connecting rod, and the connecting rod is connected with the centers of the two opposite frames so as to support the two opposite frames.
The curtain frame comprises two opposite long frames and two opposite short frames, and the two short frames are respectively connected with the two long frames end to end;
the short frame and the long frame are connected through a fixing piece, one end of the fixing piece is connected with the short frame, and the other end of the fixing piece is connected with the long frame, so that the short frame and the long frame which are adjacent are fixed into a whole.
The backlight surface of the curtain frame is provided with an installation boss extending outwards, a through hole penetrating through the installation boss along the frame direction is formed in the installation boss, and the adjusting piece penetrates through the through hole and is connected with the connecting clamp strip.
The mounting boss is arranged at one end, close to the center of the curtain frame, and the end boss is arranged at one end, far away from the center of the curtain frame, of the curtain frame;
the connecting part of the end part of the curtain and the middle part is contacted with the end part lug boss, so that the middle part of the curtain is suspended.
One end of the connecting clamping strip is a bayonet, and the curtain wraps the connecting piece and is clamped in the bayonet, so that the connecting piece is clamped with the connecting clamping strip;
the other end of the connecting and clamping strip is provided with an adjusting piece mounting hole, the adjusting piece penetrates through the through hole and then enters the adjusting piece mounting hole, so that the adjusting piece is connected with the connecting and clamping strip, and the adjusting piece forms tension on the connecting piece, the connecting and clamping strip and the curtain when moving.
The adjusting piece comprises a bolt and a nut, and the nut is arranged at the end part of the bolt and used for limiting the bolt.
Wherein the adjusting piece comprises a pull rod, a shaft and a cam;
the pull rod penetrates through the through hole, one end of the pull rod extends into the adjusting piece mounting hole, and the other end of the pull rod is in threaded connection with the shaft;
the cam is arranged on the shaft and rotates around the shaft, and the outer surface of the cam is abutted to or separated from the mounting boss in the rotating process, so that the pull rod drives the curtain to be tensioned or released.
The through hole corresponds to the adjusting piece mounting hole in position, and the aperture of the through hole is matched with the diameter of the adjusting piece.
The adjusting parts are multiple and are uniformly distributed on the curtain frame.
Wherein, the curtain frame is also provided with an outer frame and a corner wrapping piece outside;
the outer frame is connected with the curtain frame through bolts and wraps the long frame and the short frame;
the corner wrapping piece wraps the joint of the long frame and the short frame.
The curtain tensioning device further comprises a curtain bearing piece, the curtain and the curtain bearing piece are combined into a whole, and the edge of the curtain bearing piece protrudes out of the edge of the curtain;
the curtain bearing piece protrudes out of the edge of the curtain and is turned over to form a sleeve, and the connecting piece is inserted into the sleeve.
The curtain tensioning device further comprises a sliding block;
one end of the curtain frame, facing the center of the curtain frame, is provided with a groove body, and a fixing plate is arranged on the wall body;
one end of the sliding block is inserted into the groove body, and the other end of the sliding block is in sliding connection with the fixing plate.
The curtain frame is provided with a metal sheet, the wall body is provided with a magnet, and the metal sheet and the magnet are attracted by magnetic force so as to fix the curtain frame on the wall body.
The sliding blocks and the metal sheets are respectively arranged on two opposite side edges of the curtain frame.
Compared with the prior art, the utility model discloses a beneficial effect that curtain overspeed device tensioner reached does: but set up corresponding linear motion's regulating part, exert the pulling force of opposite direction to the curtain through joint card strip and connecting piece, make the curtain tensioning, can adjust the curtain tension size through adjusting the regulating part, satisfy the user demand that the user is different.
Drawings
To illustrate the technical solutions in the embodiments of the present invention more clearly, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and those skilled in the art can also obtain other drawings without creative efforts.
FIG. 1 is a schematic view of an embodiment of a curtain frame;
FIG. 2 is a schematic view of the curtain frame of FIG. 1 in a partially disassembled state;
FIG. 3 is a side view of a bezel of the curtain frame of FIG. 1;
FIG. 4 is a partial schematic view of the adjuster as it is inserted into the curtain frame;
FIG. 5 is a cross-sectional view of FIG. 4;
FIG. 6 is a schematic view of the structure of the connection card strip;
FIG. 7 is a side view of FIG. 6;
FIG. 8 is a partial view of the connector, connector clip strip and curtain frame after installation;
FIG. 9 is a side view of FIG. 8;
FIG. 10 is a side elevational view of one embodiment of the adjustment member of FIG. 9 after installation;
FIG. 11 is a schematic structural view of another embodiment of an adjustment member;
FIG. 12 is a partial view of the outer frame and corner fitting;
FIG. 13 is a schematic view of the structure of the curtain and the curtain carrier;
FIG. 14 is a schematic view of the edge of the curtain carrier of FIG. 13;
FIG. 15 is a schematic view of the mounting of the slide and fixed plate;
FIG. 16 is a schematic view of the mounting of the metal sheet and the magnet;
fig. 17 is a schematic view of the overall structure of the curtain tensioning device of the present invention.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terms "first", "second", etc. in this application are used to distinguish between different objects and not to describe a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
As shown in fig. 9 and 10, the curtain tensioning device in the present application includes a curtain 10, a curtain frame 1, a connecting member 2, a connecting clip strip 3 and an adjusting member 4, the curtain 10 is used for reflecting the projection light, the curtain includes at least two opposite end portions and an intermediate portion located between the two end portions, the end portions are edge portions bypassing the frame of the curtain frame 1, and the intermediate portion is a portion of the curtain 10 used for reflecting the projection light. Curtain frame 1 is used for bearing curtain 10, curtain frame is including going into plain noodles and backlight face, curtain frame's income plain noodles bears the mid portion, curtain frame's backlight face bears two at least relative tip, curtain frame quilt the curtain is followed go into the plain noodles direction to backlight face direction parcel.
The connecting piece 2 is arranged at least two opposite end parts of the curtain 10, the length of the connecting piece is respectively corresponding to the length of the frame of the curtain frame 1, meanwhile, the connecting piece 2 can drive the curtain 10 to move, and is an intermediate element for tensioning the curtain 10, so that the curtain 10 can be prevented from being directly connected with other elements to damage the curtain 10.
The outside of connecting piece 2 is located to connector card strip 3, and its length is corresponding and one end and connecting piece 2 looks joint with the length of the frame of curtain frame 1 respectively to further buckle curtain 10 of cooperation connecting piece 2, the other end cooperatees with curtain frame 1 for be fixed in on the curtain frame 1 with curtain 10 is indirect.
Referring to fig. 10, the adjusting element 4 is inserted between the curtain frame 1 and the connecting strip 3, and is used to control the connecting strip 3 to move linearly along a direction perpendicular to the frame of the curtain frame 1, so as to drive the connecting elements 2 to move, and the two connecting elements 2 at the two opposite ends form pulling forces in opposite directions to the curtain 10, so that the curtain 10 is tensioned.
That is to say, curtain 10, connecting piece 2, joint card strip 3 and regulating part 4 equipartition are put on curtain frame 1, and curtain 10 is connected with regulating part 4 through connecting piece 2 and joint card strip 3, sets up in the direction linear motion of the regulating part 4 edge perpendicular to curtain frame 1's of curtain 10 corresponding both ends, drives joint card strip 3 and connecting piece 2 and exerts the pulling force of opposite direction to curtain 10, makes the tensioning of curtain 10. When adjusting regulating part 4, make regulating part 4 produce the displacement along perpendicular to frame direction, then the pulling force at curtain 10 both ends changes, and the tensile degree and the tension of curtain 10 also change thereupon, compare present use spring structure to carry out the tensioning to curtain 10 and can't carry out tension and adjust more nimble, can adjust the tension of curtain 10 as required, satisfy the user demand that the user is different. The curtain tensioning device will be described in detail below.
The curtain frame 1 in this application comprises at least two opposing borders for carrying the ends 100 of the curtain 10 and connecting rods connecting and supporting the two opposing borders. The curtain frame 1 can take many forms and will be described below with reference to one specific embodiment.
In one embodiment, as shown in fig. 1 and 2, fig. 1 is a schematic view of a curtain frame 1, fig. 2 is a schematic view of a partial split of the curtain frame 1, the curtain frame 1 is rectangular as a whole, and includes two opposite long frames 11, two opposite short frames 12, and a connecting rod 13 connecting the two long frames 11, the two short frames 12 are respectively connected with the two long frames 11 end to end, and the connecting rod 13 is fixed in the middle of the two long frames 11, it can be understood that the connecting rod 13 mainly plays a role in further fixing the curtain frame 1, and in other embodiments, the connecting rod 13 may not be provided; the junction of short frame 12 and long frame 11 is equipped with mounting 5, and when short frame 12 was the right angle limit with long frame 11, mounting 5 can be the right angle connecting piece, had two coupling parts, and one end is connected with short frame 12, and the other end is connected with long frame 11 to with adjacent short frame 12 fixed as an organic whole with long frame 11. When the short frame 12 and the long frame 11 are inclined sides, for example, when the edge of the short frame 12 opposite to the long frame 11 is at an angle of 45 degrees, the fixing member 5 may also select an angle connecting member to connect the short frame 12 and the long frame 11 by screws.
Referring to fig. 3, fig. 3 is a side view of a frame of a curtain frame 1, a backlight surface of the curtain frame 1 in this embodiment is provided with an outwardly extending mounting boss 14, a through hole 15 penetrating the mounting boss along a direction of the frame is provided in the mounting boss 14, referring to fig. 4 and fig. 5, fig. 4 is a partial schematic view when an adjusting piece is inserted into the curtain frame, fig. 5 is a cross-sectional view of fig. 4, and the adjusting piece 4 passes through the through hole 15 and is connected with a connecting clamping strip 3; the end 100 of the curtain 10 is located on the same side as the mounting bosses 14, and the middle portion 200 of the curtain 10 is located on the light incident surface of the curtain frame 1. The mounting bosses 14 are disposed on the backlight surfaces of the long frame 11 and the short frame 12 for mounting and fixing the connecting clip strips 3, and a space is formed on the backlight surface where the mounting bosses 14 are located for accommodating the connecting members 2 and the connecting clip strips 3. One end of the connecting clamping strip 3 is abutted against the top surface of the mounting boss 14, and the other end is clamped with the connecting piece 2 to control the movement of the curtain 10.
The installation boss 14 in the embodiment is arranged at one end of the curtain frame 1 close to the center of the curtain frame 1, and the end boss 16 is arranged at one end far away from the center of the curtain frame 1; the connection of the end 100 and middle 200 portions of the curtain 10 contact the end bosses 16, leaving the middle portion of the curtain 10 suspended. The end bosses 16 are outer edges of the curtain frame 1, and form protruding portions on the light incident surface and the light emergent surface, respectively, and the curtain 10 is passed over the end bosses 16 and divided into an end portion 100 on the light emergent surface and a middle portion 200 on the light incident surface by the end bosses 16. The top surface of the end boss 16 is in contact with the connecting part of the end 100 and the middle part 200 of the curtain frame 1, the back light surface and the light incident surface of the end boss 16 are in contact with the end 100 and the middle part 200 of the curtain respectively, so that both ends of the middle part 200 are supported, and the middle part 200 and the whole light incident surface of the curtain frame are in a suspended state, so that the flatness of the curtain 10 in use is maintained. If the end bosses 16 are not arranged, the middle part 200 of the curtain 10 is attached to the whole light incident surface of the curtain frame 1, the flatness of the curtain 10 is also affected when the curtain frame 1 is not in normal times, the end bosses 16 are arranged to enable the two ends of the curtain 10 to be only contacted with the protruding parts of the end bosses 16, and the rest parts are suspended, so that the flatness of the curtain 10 is prevented from being affected by the flatness of the whole curtain frame 1.
In one embodiment, please refer to fig. 6 and 7, fig. 6 is a schematic structural diagram of a connection card strip, fig. 7 is a side view of fig. 6, one end of the connection card strip 3 is a bayonet 31, and the curtain 10 wraps the connection piece 2 and is clamped into the bayonet 31, so that the connection piece 2 is clamped with the connection card strip 3, and the end 100 of the curtain 10 is also clamped into the connection card strip 3. The other end of the connecting and clamping strip 3 is provided with an adjusting piece mounting hole 32, and the adjusting piece 4 penetrates through the through hole 15 of the mounting boss 14 and then enters the adjusting piece mounting hole 32 so as to be connected with the connecting and clamping strip 3, and the adjusting piece 4 forms tension on the connecting piece 2, the connecting and clamping strip 3 and the curtain 10 when moving. Connecting card strip 3 and long frame 11 and short frame 12's length looks adaptation, bayonet socket 31 can be one side open-ended hollow cylinder, and in connecting piece 2 was gone into bayonet socket 31 with curtain 10 card, the cuboid of bayonet socket 31 lower extreme for inside vacuole formation, and the cuboid bottom is located to regulating part mounting hole 32, and radially offers along connecting card strip 3. When installing curtain 10, the bottom surface of cuboid contacts with the top surface of installation boss 14, and the position of regulating part mounting hole 32 and through-hole 15 is corresponding, and regulating part 4 inserts from installation boss 14 bottom, gets into regulating part mounting hole 32 after passing through-hole 15 to be connected with connector card strip 3, regulating part 4 drives connector card strip 3 motion, and connector card strip 3 drives connecting piece 2 and curtain 10 again and moves. By adjusting the position of the adjusting member 4 on the curtain frame 1 and changing the pulling force of the adjusting member 4 on the curtain 10, the tension of the curtain 10 can be adjusted, thereby adjusting the flatness of the curtain 10 and adjusting the tension of the curtain 10.
The through hole 15 and the adjusting piece mounting hole 32 in the application are corresponding in position, and the hole diameter is matched with the diameter of the adjusting piece 4. In a specific embodiment, the aperture of the through hole 15 may be slightly larger than the diameter of the adjusting member 4, and the aperture of the adjusting member mounting hole 32 is equal to the diameter of the adjusting member 4, so as to facilitate installation and adjustment of the tension of the curtain 10.
Corresponding to the connecting clamping strip 3 in the above embodiment, the connecting member 2 is a cylindrical glass fiber rod, the glass fiber rod is a composite material in which glass fibers and products thereof (glass cloth, tape, felt, yarn, etc.) are used as reinforcing materials and synthetic resin is used as a base material, and the composite material has the advantages of light weight and high strength and can bear larger bending and shearing stress. Connecting piece 2 in this application need carry out the pulling force transmission in the installation use, consequently sets up connecting piece 2 into cylinder glass fiber pole, can during the installation in the bayonet 31 of connecting card strip 3 by disect insertion, and simple swift can bear great pulling force simultaneously, satisfies the intensity requirement of using, has also alleviateed whole curtain overspeed device tensioner's weight.
The connecting piece 2 in this embodiment can be an integral rod, and is inserted from one end of the bayonet 31 of the connecting clamping strip 3, because the diameter of the connecting piece 2 is larger than the opening of the bayonet 31, and the pulling force borne by the connecting piece 2 only needs to tension the curtain 10, the pulling force cannot be too large, and therefore the connecting piece 2 cannot be separated from the bayonet 31. In another embodiment, the connector 2 may be divided into two parts, which are inserted into the two ends of the bayonet 31 respectively, so as to facilitate installation and removal. Referring to fig. 8-10, fig. 8 is a partial view of the connecting member, the connecting clip strip and the curtain frame after being installed, fig. 9 is a side view of fig. 8, and fig. 10 is a side view of fig. 9 after the adjusting member is installed.
The regulating part 4 in this application can have multiple forms as long as can pass through the through-hole 15 of installation boss 14 and the regulating part mounting hole 32 of connector card strip 3, be connected with connector card strip 3 to it can to drive the motion of connector card strip 3.
In one embodiment, the adjusting member 4 includes a bolt and a nut, and the nut is disposed at an end of the bolt for limiting the bolt. The mounting means is for inserting the bolt in through-hole 15 from installation boss 14 bottom, pass adjusting part mounting hole 32 again, then with nut and bolted connection, block the bolt in connector card strip 3 like this, the up-and-down motion of bolt drives connector card strip 3, connecting piece 2 and curtain 10 move jointly, thereby with the tensioning of curtain 10, at this moment, the position of adjusting bolt can adjust the tension size of curtain 10, and, the tensile force that uses the mode of bolt to adjust the screen is compared in the tensile force regulation that uses the spring to realize the screen, can compensate the taut back fixed elasticity of spring, can't adjust tensile defect, further strengthen curtain overspeed device tensioner's installation regulation reliability.
In another embodiment, as shown in fig. 11, fig. 11 is a schematic structural view of another embodiment of the adjusting member, and the adjusting member 4 includes a pull rod 41, a shaft 42 and a cam 43; the pull rod 41 penetrates through the through hole 15, one end of the pull rod extends into the adjusting piece mounting hole 32, and the other end of the pull rod is in threaded connection with the shaft 42; the cam 43 is mounted on the shaft 42 and rotates around the shaft 42, and the outer surface of the cam 43 is abutted against or separated from the mounting boss 14 during the rotation process, so that the pull rod 41 drives the curtain 10 to be tensioned or released. The pull rod 41 functions as the bolt in the above embodiment, the shaft 42 is perpendicular to the pull rod 41, and the cam 43 can rotate around the shaft 42. The outer surface of the cam 43 is an irregular arc, the radii of the arcs are different, when the cam 43 rotates to the arc with the larger radius, the outer surface of the cam 43 is abutted to the mounting boss 14, when the cam 43 rotates to the arc with the smaller radius, the outer surface of the cam 43 is separated from the mounting boss 14, the distance between the cam 43 and the mounting boss 14 is changed continuously in the rotating process, the pulling force applied to the pull rod 41 is different, and therefore the tension of the curtain 10 is adjusted. Compared with the bolt and the nut in the above embodiment, the rotation of the cam 43 is adopted to adjust the tension of the curtain 10 in the embodiment, so that the adjusting efficiency is higher, and the rapid installation and debugging of the curtain 10 are realized.
The quantity of regulating part 4 of this application is a plurality of, and a plurality of regulating part 4 evenly distributed is on curtain frame 1. Likewise, the number of through-holes 15 and adjuster mounting holes 32 matches the number of adjusters 4. All set up 8 group's regulating part 4 on the long frame 11 of curtain frame 1 in this embodiment, set up 4 group's regulating part 4 on short frame 12, it is same, it sets up 8 through- holes 15 and 8 regulating part mounting holes 32 to correspond on the long frame 11, it sets up 4 through- holes 15 and 4 regulating part mounting holes 32 to correspond on the short frame 12, the tension that makes curtain 10 adjusts through a plurality of regulating parts 4, adjust respectively the tension in each region of curtain 10, thereby make curtain 10 wholly reach the required roughness of use.
In this embodiment, the curtain frame 1 is further provided with an outer frame 6 and a corner wrapping member 7 outside, please refer to fig. 12, and fig. 12 is a partial view of the outer frame and the corner wrapping member. The outer frame 6 is connected with the curtain frame 1 through bolts and is wrapped outside the long frame 11 and the short frame 12; the corner wrapping piece 7 wraps the joint of the long frame 11 and the short frame 12. The outer frame 6 and the corner wrapping piece 7 are used for protecting the curtain frame 1, damage caused by collision is avoided, meanwhile, parts such as bolt holes and bolts can be hidden, the side lines of the curtain 10 are covered, and the effects of decoration and beautification are achieved.
The curtain tensioning device in the present application further includes a curtain carrier 20, please refer to fig. 13 and 14, fig. 13 is a schematic structural diagram of the curtain and the curtain carrier, fig. 14 is a schematic structural diagram of an edge of the curtain carrier, the curtain 10 and the curtain carrier 20 are integrated, and the edge of the curtain carrier 20 protrudes from the edge of the curtain 10; the edge of the curtain carrier 20 protruding the curtain 10 is folded to form a sleeve 30, and the connecting piece 2 is inserted into the sleeve 30. The curtain bearing member 20 in this embodiment is made of nylon and has a size slightly larger than that of the curtain 10, and each edge of the curtain bearing member 20 protrudes 30-40 mm beyond the edge of the curtain 10 and covers the back of the curtain 10. The curtain carrier 20 may be adhered to the curtain 10 by an adhesive, or the curtain 10 may be sewn to the edge of the curtain carrier 20. The protruding edge of the curtain carrier 20 is folded and fixed to form a sleeve 30, and the sleeve 30 is a circular sleeve with a diameter slightly larger than that of the connecting piece 2, so that the connecting piece 2 can be easily placed in the sleeve 30. The purpose of providing the curtain carrier 20 is to make the curtain carrier 20 receive a pulling force to drive the curtain 10 to be tensioned when adjusting the tension of the curtain 10, so that the curtain 10 does not directly receive a larger pulling force, thereby preventing the curtain 10 from being damaged and prolonging the service life of the curtain 10.
The curtain tensioning device in this embodiment further includes a sliding block 8, please refer to fig. 3 and fig. 15, fig. 15 is an installation schematic diagram of the sliding block and a fixing plate, one end of the curtain frame 1 facing the center of the rectangle formed by the curtain frame 1 is provided with a groove 17, and a fixing plate 40 is arranged on the wall; one end of the sliding block 8 is inserted into the groove body 17, and the other end is connected with the fixed plate 40 in a sliding manner. The contralateral of curtain frame 1 upper end boss 16 forms cell body 17, and the one end of slider 8 forms the step shape, inserts cell body 17 internal fixation, and the other end and fixed plate 40 sliding connection are equipped with the spout on the fixed plate 40, and slider 8 can slide along the spout on fixed plate 40. Usually, the sliding groove of the fixing plate 40 is fixed along the vertical direction of the wall surface, so that the curtain frame 1 can be driven to move along the vertical direction of the wall surface through the sliding of the sliding block 8, and the fixing position of the curtain frame 1 on the wall body is adjusted. Meanwhile, the slide block 8 can slide in the groove body 17, so that the curtain frame 1 can transversely move left and right, and the horizontal position of the curtain frame 1 can be adjusted.
In this embodiment, the curtain frame 1 is further provided with a metal sheet 9, please refer to fig. 16, fig. 16 is a schematic installation diagram of the metal sheet and the magnet, the magnet 50 is installed on the wall, and the metal sheet 9 and the magnet 50 are magnetically attracted to fix the curtain frame 1 on the wall, so that when the curtain frame 1 is installed, one side of the curtain frame 1 can be fixed and limited, and then the other side can be adjusted in position, which facilitates the positioning during installation.
The sliding blocks 8 and the metal sheets 9 in this embodiment are respectively disposed on two opposite sides of the curtain frame 1. Further, the sliding block 8 and the metal sheet 9 are respectively disposed on two long frames 11 of the curtain frame 1, please refer to fig. 17, fig. 17 is a schematic view of an overall structure of the curtain tensioning device, the sliding block 8 is located on the upper long frame 11, and the metal sheet 9 is located on the lower long frame 11, so that the height of the curtain frame 1 on the wall body can be conveniently adjusted. Of course, the slide block 8 and the metal sheet 9 may be disposed on the two short frames 12 of the curtain frame 1 to move the curtain frame 1 in the horizontal direction.
By using the curtain tensioning device of the utility model, the corresponding adjusting piece capable of moving linearly is arranged, the curtain is tensioned by applying a pulling force in the opposite direction to the curtain through the connecting clamping strip and the connecting piece, and the tension of the curtain can be adjusted by adjusting the adjusting piece, thereby meeting different use requirements of users; because the mode of matching the bolt or the cam with the pull rod is adopted to replace the existing mode of using a spring to adjust the tension of the screen, the defects that the spring is fixed after being tensioned and the tension cannot be adjusted can be overcome, and the installation and adjustment reliability of the curtain tensioning device is further enhanced; owing to adopted and set up the connecting piece in the sleeve that the screen held the piece and make the connecting piece buckle in the bayonet socket of connecting the card strip, can effectively avoid the damage to the curtain, can make the curtain atress more balanced, prevent that the curtain from damaging, improve the life of curtain.
The above is only the embodiment of the present invention, not the limitation of the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.
Claims (15)
1. A curtain tensioning device, characterized in that the curtain tensioning device comprises:
a curtain for reflecting the projected light, the curtain comprising at least two opposing ends and a middle portion between the two ends;
the curtain frame is used for bearing the curtain and comprises a light incident surface and a light emergent surface, the light incident surface of the curtain frame bears the middle part, the light emergent surface of the curtain frame bears the at least two opposite end parts, and the curtain frame is wrapped by the curtain from the light incident surface direction to the light emergent surface direction;
the connecting pieces are arranged at least two opposite end parts of the curtain and are used for driving the curtain to move;
the connecting clamping strip is arranged on the outer side of the connecting piece, one end of the connecting clamping strip is clamped with the connecting piece, and the other end of the connecting clamping strip is matched with the curtain frame and used for indirectly fixing the curtain on the curtain frame;
the adjusting part is worn to locate the curtain frame with between the joint card strip, be used for control the joint card strip is along the perpendicular to the direction linear motion of the frame of curtain frame, and then drive the connecting piece motion, two at relative both ends the connecting piece is right the curtain forms the pulling force of opposite direction.
2. Curtain tensioning device according to claim 1, characterized in that the curtain frame comprises at least two opposite borders for providing support to the curtain and a connecting rod connecting the centers of the two opposite borders for supporting the two opposite borders.
3. Curtain tensioning device according to claim 1, characterized in that the curtain frame comprises two opposite long borders and two opposite short borders, respectively connected end to end with the two long borders;
the short frame and the long frame are connected through a fixing piece, one end of the fixing piece is connected with the short frame, and the other end of the fixing piece is connected with the long frame, so that the short frame and the long frame which are adjacent are fixed into a whole.
4. Curtain tensioning device according to claim 1, characterized in that the backlight surface of the curtain frame is provided with an outwardly extending mounting boss, a through hole penetrating through the mounting boss along the frame direction is provided in the mounting boss, and the adjusting member is connected with the connecting clip strip through the through hole.
5. Curtain tensioning device according to claim 4, characterized in that the mounting boss is provided at the end of the curtain frame close to the center of the curtain frame and an end boss is provided at the end far from the center of the curtain frame;
the connecting part of the end part of the curtain and the middle part is contacted with the end part lug boss, so that the middle part of the curtain is suspended.
6. The curtain tensioning device as claimed in claim 5, wherein one end of the connecting clamping strip is a bayonet, and the curtain wraps the connecting piece and is clamped in the bayonet, so that the connecting piece is clamped with the connecting clamping strip;
the other end of the connecting and clamping strip is provided with an adjusting piece mounting hole, the adjusting piece penetrates through the through hole and then enters the adjusting piece mounting hole, so that the adjusting piece is connected with the connecting and clamping strip, and the adjusting piece forms tension on the connecting piece, the connecting and clamping strip and the curtain when moving.
7. Curtain tensioning device according to claim 6, characterized in that the adjusting means comprise a bolt and a nut, the nut being provided at the end of the bolt for limiting the bolt.
8. Curtain tensioning device according to claim 6, characterized in that the adjustment means comprise a lever, a shaft and a cam;
the pull rod penetrates through the through hole, one end of the pull rod extends into the adjusting piece mounting hole, and the other end of the pull rod is in threaded connection with the shaft;
the cam is arranged on the shaft and rotates around the shaft, and the outer surface of the cam is abutted to or separated from the mounting boss in the rotating process, so that the pull rod drives the curtain to be tensioned or released.
9. Curtain tensioning device according to any one of claims 6 to 8, characterized in that the through hole and the adjusting piece mounting hole correspond in position, the hole diameter being adapted to the diameter of the adjusting piece.
10. Curtain tensioning device according to claim 9, characterized in that the adjusting member is in plurality and the adjusting members are evenly distributed on the curtain frame.
11. Curtain tensioning device according to claim 3, characterized in that the curtain frame is externally provided with an outer frame and corner wrapping pieces;
the outer frame is connected with the curtain frame through bolts and wraps the long frame and the short frame;
the corner wrapping piece wraps the joint of the long frame and the short frame.
12. Curtain tensioning device according to claim 1, characterized in that it further comprises a curtain carrier, the curtain being integrated with the curtain carrier, the edge of the curtain carrier protruding beyond the edge of the curtain;
the curtain bearing piece protrudes out of the edge of the curtain and is turned over to form a sleeve, and the connecting piece is inserted into the sleeve.
13. Curtain tensioning device according to claim 1, characterized in that the curtain frame is further provided with a slide;
one end of the curtain frame, facing the center of the curtain frame, is provided with a groove body, and a fixing plate is arranged on the wall body;
one end of the sliding block is inserted into the groove body, and the other end of the sliding block is in sliding connection with the fixing plate.
14. Curtain tensioning device according to claim 13, characterized in that the curtain frame is further provided with a metal sheet, the wall is provided with magnets, and the metal sheet and the magnets attract each other magnetically to fix the curtain frame to the wall.
15. Curtain tensioning device according to claim 14, characterized in that the slide and the metal sheet are respectively provided on opposite sides of the curtain frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394834.2U CN212623558U (en) | 2020-07-14 | 2020-07-14 | Curtain tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021394834.2U CN212623558U (en) | 2020-07-14 | 2020-07-14 | Curtain tensioning device |
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| Publication Number | Publication Date |
|---|---|
| CN212623558U true CN212623558U (en) | 2021-02-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021394834.2U Active CN212623558U (en) | 2020-07-14 | 2020-07-14 | Curtain tensioning device |
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| Country | Link |
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| CN (1) | CN212623558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022012343A1 (en) * | 2020-07-14 | 2022-01-20 | 深圳光峰科技股份有限公司 | Screen tensioning device |
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2020
- 2020-07-14 CN CN202021394834.2U patent/CN212623558U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022012343A1 (en) * | 2020-07-14 | 2022-01-20 | 深圳光峰科技股份有限公司 | Screen tensioning device |
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