Automobile privacy curtain
The design of the pre-tensioning device and sliding mechanism solves the problem of slack or excessive tension of the car privacy curtain cable, achieving smooth movement and extended service life, and supports electric and manual control.
Patent Information
- Application Number
- CN202520159941.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-23
- Publication Date
- 2025-12-30
- Estimated Expiration
- 2035-01-23
AI Technical Summary
The pull cords of existing car privacy curtains are prone to loosening or over-tightening during use, resulting in unstable movement, affecting service life and appearance.
It adopts a pre-tensioning device and sliding mechanism design, and maintains the appropriate tension of the cable by connecting the end cap and the support seat through the tension spring. The slider and hook structure ensures the smooth movement of the curtain, and combines electric and manual control methods.
Ensure that the cables maintain appropriate tension during use, optimize motion performance, extend service life, prevent jamming and deflection, and improve ease of use.
Smart Images

Figure CN223735816U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of privacy curtain, especially to an automobile privacy curtain. BACKGROUND
[0002] The automobile privacy curtain controls the opening and closing of the privacy curtain through a cable and an electric motor, is usually used for front and rear row windows, provides sunshade and privacy protection, and can be accurately adjusted by a user through an in-vehicle button or an intelligent system, has the advantages of automation, convenience and modernization, and is widely applied to high-class sedans, SUVs and the like.
[0003] The utility model discloses a kind of automobile privacy window curtains, including storage tube, shielding curtain and counterweight rod, the rear end of the storage tube is provided with connecting plate, suction cavity is opened in the inside of the connecting plate, the storage tube is connected with winding rod by scroll spring, the left and right ends of the winding rod are all installed with fixed block.This automobile privacy window curtain, downward extrusion adjusting plate, under the action of the inclined guide groove in its inside can make mounting rod drive the reverse sliding of the movable block in left and right ends, then connect plate is pasted on car window glass, and the gap between glass and connecting plate is filled and eliminated by elastic rubber pad, then loosening adjusting plate, it is moved up under the action of first spring, and slide back movable block, so that the volume of suction cavity is larger, the internal air pressure of suction cavity is less than normal air pressure outside at this time, so that the device is conveniently installed without trace by adsorption, more beautiful, convenient to use.But this privacy window curtain needs to manually turn up the positioning rod of arc-shaped structure to make winding rod rotate, inconvenient to operate in small space in car, necessary trouble is brought to user.
[0004] In the application patent CN102613866B, an electric opening and closing window curtain mechanism for automobile is disclosed, which belongs to the field of automobile manufacturing, and is particularly suitable for interior decoration of automobile. Most of the existing opening and closing window curtain mechanisms for automobile are manual mechanisms, and the structures of these window curtain mechanisms cannot be applied to various vehicle models, and the appearance is not novel and practical. The electric opening and closing window curtain mechanism of the present application is connected by a flexible shaft and a flexible tube, and is driven by a motor. The motor drives a winding wheel to rotate a steel wire rope, and a driver is fixed on the steel wire rope to connect the window curtain. The steel wire rope is driven to slide by the motor-driven winding wheel, and drives the driver to pull the window curtain. The structure of the present application is simple and firm, and is suitable for installation on various vehicle models. However, the cable may be loose, causing the sunshade curtain to be unstable when it is unfolded or retracted, and even causing the sunshade curtain to be stuck or unable to work normally. Lack of tension adjustment increases the friction between the cable and other components, causing excessive wear and shortening the service life. At the same time, the sunshade curtain may not be evenly retracted or unfolded, affecting the appearance and sunshade effect. SUMMARY
[0005] The utility model wants to solve the technical problem to provide a kind of car privacy curtain, ensure that cable keeps proper tension in the use process, prevent cable slack or over-tight, optimize the motion performance of privacy curtain, prolong the service life of cable and privacy curtain.
[0006] To solve the above technical problems, the utility model discloses a kind of car privacy curtain, including sliding mechanism and curtain cloth assembly arranged on the sliding mechanism, the sliding mechanism includes slide rail and guide rail arranged on the slide rail, one end of the guide rail is equipped with winding mechanism, one side of the winding mechanism is equipped with driving mechanism, the end of the guide rail away from winding mechanism is equipped with pulley, the winding mechanism includes winding reel, cable is wound on the winding reel, the cable is threaded through slide rail, after passing through the pulley, it is rotated back to winding reel, slide rail is equipped with left drive sliding block and right drive sliding block, the left side of the left drive sliding block is equipped with a plurality of left linkage sliding block, the right side of the right drive sliding block is equipped with a plurality of right linkage sliding block, the left drive sliding block is fixed on the cable of outside, the right drive sliding block is fixed on the cable of inside, the cable drives left drive sliding block and right drive sliding block to slide to both sides, left drive hook is equipped on the left drive sliding block, left linkage hook is equipped on the linkage sliding block, right drive hook is equipped on the right drive sliding block, right linkage hook is equipped on the linkage sliding block, the curtain cloth assembly is connected on the left drive hook, left linkage hook and right drive hook, right linkage hook, the guide rail side is also equipped with pre-tightening device, the pulley is connected on the pre-tightening device.
[0007] The pre-tightening device includes end cover and support seat, the end cover is arranged at the end of the guide rail away from winding mechanism, the pulley is installed on the support seat, the support seat is connected with end cover by tension spring.
[0008] The support seat is equipped with buckle, the support seat is equipped with through hole, one end of the tension spring is hung on the buckle, and the other end is hung on the through hole.
[0009] The guide rail is equipped with inner cavity and outer cavity, the cable passes through the inner cavity and outer cavity in sequence, the inner cavity and outer cavity are equipped with sliding groove, the drive sliding block and linkage sliding block are arranged in the sliding groove.
[0010] The slide rail includes bottom plate and side plate arranged on both sides of the bottom plate, the side plate is equipped with upper limit position convex edge, the guide rail is equipped with lower limit position convex edge on both sides, the lower limit position convex edge is clamped below the upper limit position convex edge.
[0011] Transmission mechanism is equipped between the driving mechanism and the winding mechanism.
[0012] The winding mechanism includes winding shell, the winding shell is equipped with rotating shaft, the winding reel is rotatably arranged on the rotating shaft, and the winding reel is connected with the transmission mechanism.
[0013] The upper end of the winding reel is provided with an upper wire inlet slot, the lower end of the winding reel is provided with a lower wire inlet slot, and the side wall of the winding reel is provided with a wire winding slot.
[0014] The curtain assembly comprises a left supporting framework and a right supporting framework, the left supporting framework is provided with a left curtain main body, and the left curtain main body is provided with a left connecting edge; the right supporting framework is provided with a right curtain main body, and the right curtain main body is provided with a right connecting edge.
[0015] The left connecting edge is provided with a first inner clamping portion and a first outer clamping portion, the left driving hook is clamped on the first inner clamping portion, and the left linkage hook is clamped on the first outer clamping portion; the right connecting edge is provided with a second inner clamping portion and a second outer clamping portion, the right driving hook is clamped on the second inner clamping portion, and the right linkage hook is clamped on the second outer clamping portion.
[0016] When the left driving sliding block and the right driving sliding block slide inward, the left curtain main body and the right curtain main body close inward, and simultaneously, the pre-tightening device is connected with the end cover and the supporting seat through the tension spring, the elastic force of the tension spring helps to adjust the tightness of the cable, and the privacy curtain can stably run when being unfolded and folded.
[0017] The utility model brings the beneficial effect that:
[0018] The utility model ensures that the cable maintains proper tension in the use process, prevents the cable from relaxing or being excessively tightened, optimizes the motion performance of the privacy curtain, and prolongs the service life of the cable and the privacy curtain.
[0019] The utility model can stably and uniformly unfold and wind, and avoids clamping, stagnation or deviation.
[0020] The utility model has stable structure, and the guide rails are not easy to be damaged and fall off.
[0021] The utility model simultaneously supports electric control and manual control, and is more convenient to use. DRAWINGS
[0022] Figure 1 It is the structure schematic diagram of the utility model.
[0023] Figure 2It is structural schematic view of sliding mechanism of the utility model.
[0024] Figure 3 It is structural schematic view of sliding mechanism of the utility model.
[0025] Figure 4 It is structural schematic view of pre-tightening device of the utility model.
[0026] Figure 5 It is structural schematic view of driving mechanism, winding mechanism and transmission mechanism of the utility model.
[0027] Figure 6 It is structural schematic view of winding mechanism of the utility model.
[0028] Figure 7 It is structural schematic view of winding disc of the utility model.
[0029] Figure 8 It is sectional view of sliding mechanism of the utility model.
[0030] Figure 9 It is structural schematic view of curtain assembly of the utility model.
[0031] In the drawing: 1, sliding mechanism;2, curtain assembly;3, slide rail;4, guide rail;5, winding mechanism;6, driving mechanism;7, pulley;8, winding disc;9, cable;10, left driving sliding block;11, left linkage sliding block;12, left driving hook;13, left linkage hook;14, pre-tightening device;15, end cover;16, support seat;17, tension spring;18, buckle;19, through hole;20, support plate;21, inner cavity;22, outer cavity;23, sliding groove;24, bottom plate;25, side plate;26, upper limit convex edge;27, lower limit convex edge;28, transmission mechanism;29, winding shell;30, rotating shaft;31, upper wire inlet groove;32, lower wire inlet groove;33, winding groove;34, left support framework;35, left curtain main body;36, left connecting edge;37, first inner clamping portion;38, first outer clamping portion;39, right driving sliding block;40, right linkage sliding block;41, right driving hook;42, right linkage hook;43, right support framework;44, right curtain main body;45, right connecting edge;46, second inner clamping portion;47, second outer clamping portion. DETAILED DESCRIPTION
[0032] The technical solutions in the embodiments of the utility model will be apparently and completely described below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.
[0033] According to Figures 1 to 8 As shown in the utility model discloses a kind of electric privacy screen of automobile cable 9 drive, including sliding mechanism 1 and curtain assembly 2 being arranged on sliding mechanism 1, sliding mechanism 1 is made of slide rail 3 and guide rail 4 being arranged on slide rail 3, one end of guide rail 4 is equipped with winding mechanism 5, one side of winding mechanism 5 is equipped with driving mechanism 6, and the rotation of winding disc 8 is controlled by electric motor or other driving mode in this driving mechanism 6, and the end of guide rail 4 away from winding mechanism 5 is provided with pulley 7, in winding mechanism 5, cable 9 is wound on winding disc 8, cable 9 passes through slide rail 3 and reverses to winding disc 8 after passing pulley 7, forms a closed loop, left drive sliding block 10 and right drive sliding block 39 are equipped on the slide rail 3, left side of left drive sliding block 10 is equipped with multiple left linkage sliding block 11, right side of right drive sliding block 39 is equipped with multiple right linkage sliding block 40, left drive sliding block 10 is fixed on the cable 9 of outside, right drive sliding block 39 is fixed on the cable 9 of inside, cable 9 drives left drive sliding block 10 and right drive sliding block 39 to slide to both sides, to adjust the opening and closing of curtain assembly 2.Left drive hook 12 is equipped on left drive sliding block 10, left linkage hook 13 is equipped on linkage sliding block, right drive hook 41 is equipped on right drive sliding block 39, right linkage hook 42 is equipped on linkage sliding block, curtain assembly 2 is connected on left drive hook 12, left linkage hook 13 and right drive hook 41, right linkage hook 42, these hooks fix curtain assembly 22 together, so that it always keeps stable during movement.In addition, one side of guide rail 4 is also provided with pre-tightening device 14, and the device is to ensure that cable 9 always maintains a certain tension, to avoid that cable 9 slack or loose leads to privacy screen loses control, and pulley 7 cooperates with the tension of cable 9 through pre-tightening device 14, to further optimize the running track of cable 9, to ensure the smoothness and durability of privacy screen.
[0034] Pre-tightening device 14 includes end cover 15 and support seat 16, end cover 15 is arranged at the end of guide rail 4 away from winding mechanism 5, pulley 7 is installed on support seat 16, and the movement of cable 9 is supported and guided by support seat 16, and support seat 16 and end cover 15 are connected by tension spring 17, buckle 18 is provided on end cover 15, through hole 19 is provided on support seat 16, buckle 18 is used for hanging one end of tension spring 17, and through hole 19 provides a hanging point for the other end of tension spring 17, and the role of tension spring 17 is to provide necessary tension, to ensure that cable 9 is always in proper tension state, to prevent that cable 9 slack affects the normal work of privacy screen.
[0035] The guide rail 4 is provided with an inner cavity 21 and an outer cavity 22, and the pull cable 9 passes through the inner cavity 21 and the outer cavity 22 in sequence, so as to ensure correct positioning and stable operation of the pull cable 9 in the guide rail 4. The inner cavity 21 and the outer cavity 22 are provided with a sliding groove 23, which provides sliding space for the driving sliding block 10 and the linkage sliding block 11, so that the two sliding blocks can move freely along the guide rail 4. The sliding rail 3 comprises a bottom plate 24 and side plates 25 arranged on both sides of the bottom plate 24. The side plates 25 are provided with upper limiting convex edges 26. The guide rail is also provided with lower limiting convex edges 27, which can be used in cooperation with the upper limiting convex edges 26 and are clamped below the upper limiting convex edges 26 to form a compact structure, thereby further ensuring that the sliding rail 3 and the guide rail 4 do not displace or fall off during use.
[0036] The driving mechanism 6 and the winding mechanism 5 are provided with a transmission mechanism 28. The winding mechanism 5 comprises a winding shell 29, and the winding shell 29 is provided with a rotating shaft 30, which provides a central fulcrum so that the winding disc 8 can rotate smoothly around the rotating shaft 30. The winding disc 8 is rotatably arranged on the rotating shaft 30 and connected with the transmission mechanism 28. The transmission mechanism 28 transmits power from the driving mechanism 6 to the winding disc 8, so that the winding disc 8 rotates and drives the pull cable 9 wound on the winding disc 8 to move, thereby realizing automatic opening and closing of the privacy curtain.
[0037] After the pull cable 9 enters the winding disc 8 from the upper end, it is guided into the interior of the winding disc 8 through an upper wire inlet groove 31. The other end of the pull cable 9 is fixed through a lower wire inlet groove 32. The winding disc 8 is provided with a wire winding groove 33 on the side wall. When the winding disc 8 rotates, the pull cable 9 will be uniformly wound along the wire winding groove 33, so as to ensure that the pull cable 9 will not be randomly stacked on the disc, thereby improving the smoothness of winding and unwinding.
[0038] According to Figure 9 As shown in the drawings, the curtain assembly 2 comprises a left support framework 34 and a right support framework 43. The left support framework 34 is provided with a left curtain main body 35, and the left curtain main body 35 is provided with a left connecting edge 36. The right support framework 43 is provided with a right curtain main body 44, and the right curtain main body 44 is provided with a right connecting edge 45. The left curtain main body 35 and the right curtain main body 44 are the main parts of the entire privacy curtain, which are usually made of sun-proof and ultraviolet-resistant fabric and have certain flexibility and durability, and are used for shielding sunlight and protecting the privacy inside the vehicle. Support bars are also arranged in the left support framework 34 and the right support framework 43. These support bars enhance the structural stability of the curtain, so that the curtain can maintain flatness during the entire use process.
[0039] The left connecting edge 36 is provided with a first inner clamping part 37 and a first outer clamping part 38, the left driving hook 12 is clamped on the first inner clamping part 37, and the left linkage hook 13 is clamped on the first outer clamping part 38.
[0040] When the utility model is used, the user sends an instruction through a control button or an intelligent system in the vehicle, and the power generated by the driving mechanism 6 is transmitted to the winding mechanism 5 through the transmission mechanism 28, the winding disc 8 is driven to rotate, the left driving sliding block 10 drives the left linkage sliding block 11 to slide to the left through the cable 9, the right driving sliding block 39 drives the right linkage sliding block 40 to slide to the right through the cable 9, and they drive the left curtain main body 35 and the right curtain main body 44 to expand to both sides; on the contrary, when the left driving sliding block 10 and the right driving sliding block 39 slide inward, the left curtain main body 35 and the right curtain main body 44 close inward, simultaneously, the pre-tightening device 14 connects the end cover 15 and the supporting seat 16 through the tension spring 17, the elasticity of the tension spring 17 helps to adjust the tightness of the cable 9, and the privacy curtain can stably run when being expanded and retracted.
[0041] The utility model brings the beneficial effect that:
[0042] The utility model ensures that the cable maintains proper tension during use, prevents the cable from relaxing or being excessively tight, optimizes the motion performance of the privacy curtain, and prolongs the service life of the cable and the privacy curtain.
[0043] The utility model can stably and uniformly expand and wind, and avoids clamping, stagnation or deviation.
[0044] The utility model is stable in structure, and the guide rails are not easy to damage and fall off.
[0045] The utility model simultaneously supports electric control and manual control, and is more convenient to use.
[0046] The above only is the preferable implementation manner of the utility model, therefore, equivalent changes or modifications made according to the structure, features and principles of the utility model patent application range are included in the utility model patent application range.
Claims
1. A vehicle privacy screen comprising a sliding mechanism and a screen fabric assembly disposed on the sliding mechanism, characterized by: The sliding mechanism comprises a sliding rail and a guide rail arranged on the sliding rail, one end of the guide rail is provided with a winding mechanism, one side of the winding mechanism is provided with a driving mechanism, one end of the guide rail away from the winding mechanism is provided with a pulley, the winding mechanism comprises a winding disc, a pull cable is wound on the winding disc, the pull cable penetrates through the sliding rail, passes around the pulley and returns to the winding disc, a left driving sliding block and a right driving sliding block are arranged on the sliding rail, a plurality of left linkage sliding blocks are arranged on the left side of the left driving sliding block, a plurality of right linkage sliding blocks are arranged on the right side of the right driving sliding block, the left driving sliding block is fixed on the outer pull cable, the right driving sliding block is fixed on the inner pull cable, the pull cable drives the left driving sliding block and the right driving sliding block to slide to both sides, a left driving hook is arranged on the left driving sliding block, a left linkage hook is arranged on the linkage sliding block, a right driving hook is arranged on the right driving sliding block, and a right linkage hook is arranged on the linkage sliding block, the curtain assembly is connected to the left driving hook, the left linkage hook, the right driving hook and the right linkage hook, and the guide rail is further provided with a pre-tightening device, and the pulley is connected to the pre-tightening device.
2. The automotive privacy screen of claim 1, wherein: The pre-tightening device comprises an end cover and a supporting seat, the end cover is arranged at one end of the guide rail away from the winding mechanism, the pulley is mounted on the supporting seat, and the supporting seat and the end cover are connected through a tension spring.
3. The automotive privacy screen of claim 2, wherein: A buckle is arranged on the supporting seat, a through hole is arranged on the supporting seat, one end of the tension spring is hung on the buckle, and the other end is hung on the through hole.
4. The automotive privacy screen of claim 1, wherein: An inner cavity and an outer cavity are arranged in the guide rail, the pull cable sequentially penetrates through the inner cavity and the outer cavity, a sliding groove is arranged between the inner cavity and the outer cavity, and the driving sliding block and the linkage sliding block are arranged in the sliding groove.
5. The automotive privacy screen of claim 4, wherein: The sliding rail comprises a bottom plate and side plates arranged on both sides of the bottom plate, upper limiting convex edges are arranged on the side plates, lower limiting convex edges are arranged on both sides of the guide rail, and the lower limiting convex edges are clamped below the upper limiting convex edges.
6. The automotive privacy screen of claim 1, wherein: A transmission mechanism is arranged between the driving mechanism and the winding mechanism.
7. The automotive privacy screen of claim 6, wherein: The winding mechanism comprises a winding shell, a rotating shaft is arranged on the winding shell, the winding disc is rotationally arranged on the rotating shaft, and the winding disc is connected with the transmission mechanism.
8. The automotive privacy screen of claim 1, wherein: An upper wire inlet groove is arranged at the upper end of the winding disc, a lower wire inlet groove is arranged at the lower end of the winding disc, and a wire winding groove is arranged on the side wall of the winding disc.
9. The automotive privacy screen of claim 1, wherein: The curtain assembly comprises left and right support frameworks, a left curtain main body is arranged on the left support framework, and a left connecting edge is arranged on the left curtain main body; a right curtain main body is arranged on the right support framework, and a right connecting edge is arranged on the right curtain main body.
10. The automotive privacy screen of claim 9, wherein: First inner and outer clamping parts are arranged on the left connecting edge, the left driving hook is clamped on the first inner clamping part, and the left linkage hook is clamped on the first outer clamping part; second inner and outer clamping parts are arranged on the right connecting edge, the right driving hook is clamped on the second inner clamping part, and the right linkage hook is clamped on the second outer clamping part.
Citation Information
Patent Citations
Electric curtain opening and closing mechanism for automobile
CN102613866B
Automobile privacy curtain
CN216993837U