Electric curtain
By improving the design of the motorized curtain housing components, using mounting ribs and brackets to support the inner wall of the housing, and combining snap-fit and screw fixing, the problems of insufficient housing strength and complex structure were solved, achieving the effect of high strength, low weight and low cost.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-05-07
- Publication Date
- 2026-03-20
AI Technical Summary
Existing motorized curtains have low casing strength, are prone to deformation and damage, and have complex structures and high costs, making it difficult to meet the requirements of high strength and low weight.
The design employs a housing assembly, including a housing, mounting base, bracket, and take-up roller. The inner wall of the housing is supported by mounting ribs and brackets, and is secured by snap-fit and screws, simplifying the structure and improving mechanical strength.
It achieves a balance between high strength and low weight, reducing manufacturing costs and assembly difficulty, and improving assembly efficiency.
Smart Images

Figure CN224020139U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electric curtain technical field, especially electric curtain. BACKGROUND
[0002] Electric curtain is a kind of equipment widely used in projection display field, can realize the lifting of curtain by motor drive, provides convenient projection picture display platform for user.It is common in conference room, home theater and school classroom etc.Scene, compared with manual curtain, electric curtain is more easy to operate, just through remote controller or switch can complete the unfolding and retraction action of curtain, greatly improves the use experience.The shell part of existing electric curtain is mainly composed of shell, end cover and some connecting components, and it has the following shortcomings: 1.the shell strength of existing electric curtain is low, and deformation, damage etc.are easy to appear, part of technology improves mechanical strength by increasing material thickness, but will lead to weight and cost increase, so it is difficult to meet the requirements of high strength and low weight;2.the shell structure of existing electric curtain is complex, and the number of parts is more, leading to high manufacturing cost and great assembly difficulty. SUMMARY
[0003] The utility model aims at providing a kind of electric curtain to solve the problems raised in the above background technology.
[0004] In order to solve the above technical problems, the utility model provides the following technical scheme: a kind of electric curtain, including shell assembly, the shell assembly includes shell, and the both ends of shell are fixedly connected with mounting seat, and the outer wall of one side of mounting seat is clamped and fixed with end cover, and the outer wall of another side of mounting seat is fixedly connected with support, and the support is fixedly connected in shell, and winding roller is arranged in shell, and the both ends of winding roller are respectively rotationally connected on two supports, and one of the supports is fixedly connected with motor, and the output end of motor is fixedly connected on winding roller, and winding roller is fixedly connected with curtain body, and the bottom end of curtain body is fixedly connected with weight bar, and the lower surface of shell is provided with through slot, and curtain body is slidingly connected in through slot, and the both ends of through slot are provided with baffle, and baffle is clamped and fixed on mounting seat.
[0005] Preferably, the shell is fixedly connected with a plurality of mounting ribs, and the support is fixedly connected on the mounting rib, and the mounting seat is fixedly connected on the mounting rib.
[0006] Preferably, the lower surface of shell is provided with mounting groove, and the lamp plate is fixedly connected in mounting groove, and the bottom end of lamp plate is provided with cover plate, and cover plate is clamped and fixed in mounting groove.
[0007] Preferably, the lower surface of baffle is provided with limiting slot corresponding to the position of weight bar.
[0008] Preferably, a plurality of first elastic clamping claws are fixedly connected to the end cover, first clamping grooves are formed in positions corresponding to the first elastic clamping claws on the mounting seat, and the first elastic clamping claws are clamped and fixed in the first clamping grooves.
[0009] Preferably, a plurality of second elastic clamping claws are fixedly connected to one end of the baffle, second clamping grooves are formed in positions corresponding to the second elastic clamping claws on the mounting seat, and the second elastic clamping claws are clamped and fixed in the second clamping grooves.
[0010] Preferably, a protrusion is fixedly connected to the upper surface of the mounting seat, a first mounting hole is formed in the protrusion, and a second mounting hole is formed in the outer wall of one side of the mounting seat.
[0011] Preferably, a first notch is formed in a position corresponding to the protrusion on the shell, and a second notch is formed in a position corresponding to the protrusion on the end cover.
[0012] Preferably, two supporting blocks are fixedly connected to the mounting seat, and the supporting blocks are arranged in the shell.
[0013] The electric curtain has the advantages that: the mounting rib is arranged on the inner wall of the shell, the bracket and the mounting seat are arranged by using the mounting rib, the inner wall of the shell is supported by the bracket and the mounting seat, the mechanical strength of the shell is improved, the requirements of high strength and low weight are met, the shell assembly is designed in a symmetrical mode, the structure is simple, the manufacturing cost and the assembly difficulty are reduced, the shell assembly is connected by clamping and fixing and screwing, the connection strength is guaranteed, and the assembly efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, the drawings in the following description are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.
[0015] Figure 1 It is a schematic diagram of the overall three-dimensional structure of the present application;
[0016] Figure 2 It is an exploded view of the overall three-dimensional structure of the present application;
[0017] Figure 3 It is Figure 2 It is a structure enlarged view of the A area in the middle;
[0018] Figure 4 It is a schematic diagram of the overall main view of the present application;
[0019] Figure 5 It is the casing main view structure schematic diagram of the utility model;
[0020] Figure 6 It is the mounting seat three-dimensional structure schematic diagram of the utility model.
[0021] In the drawing: 1, the casing assembly;11, the casing;12, the mounting rib;13, the mounting groove;14, the through slot;15, the first gap;16, the support;17, the mounting seat;18, the support block;19, the protruding block;110, the first mounting hole;111, the second mounting hole;112, the first clamping groove;113, the second clamping groove;114, the end cover;115, the first elastic clamping jaw;116, the second gap;117, the baffle;118, the second elastic clamping jaw;119, the limiting slot;120, the lamp plate;121, the cover plate;2, the motor;3, the winding roller;4, the curtain body;5, the weight bar. DETAILED DESCRIPTION
[0022] In order to make the purpose, technical scheme and advantage of the utility model embodiment more clear, the technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, obviously, the described embodiment is a part of the embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor are within the protection scope of the utility model.
[0023] Please refer to the drawings of the utility model embodiment in the following Figure 1 - the drawings of the utility model embodiment in the following Figure 6This utility model provides an embodiment of an electric screen, including a housing assembly 1, which includes a housing 11. Both ends of the housing 11 are fixedly connected to mounting bases 17. An end cap 114 is snapped onto one outer wall of each mounting base 17, and a bracket 16 is fixedly connected to the other outer wall of the mounting base 17. The bracket 16 is fixedly connected inside the housing 11. A winding roller 3 is disposed inside the housing 11, and both ends of the winding roller 3 are rotatably connected to the two brackets 16. A motor 2 is fixedly connected to one of the brackets 16, and the output end of the motor 2 is fixedly connected to the winding roller 3. A screen body 4 is fixedly connected to the winding roller 3, and a weighting rod 5 is fixedly connected to the bottom end of the screen body 4. A through-hole is provided on the lower surface of the housing 11. The screen body 4 is slidably connected to the slot 14. Both ends of the slot 14 are provided with baffles 117, and the baffles 117 are snapped and fixed on the mounting base 17. The end cap 114 is used to close the mounting base 17. The mounting base 17 is used to install the bracket 16 and electronic components, and also to support the housing 11. The bracket 16 is used to install the take-up roller 3 and the motor 2, and also to support the housing 11. The motor 2 is used to drive the take-up roller 3. The take-up roller 3 is used to install the screen body 4. The weight rod 5 is used to improve the stability of the screen body 4, and also to close the slot 14 when the screen body 4 is retracted to prevent dust from entering. The slot 14 is used to accommodate the screen body 4, the screen body 4 is used for projection, and the baffles 117 are used to limit the weight rod 5. Multiple mounting ribs 12 are fixedly connected inside the housing 11, and a bracket 16 is fixedly connected to the mounting ribs 12. A mounting base 17 is fixedly connected to the mounting ribs 12. The mounting ribs 12 are used to install screws and also to improve the strength of the housing 11. A mounting groove 13 is opened on the lower surface of the housing 11. A lamp plate 120 is fixedly connected in the mounting groove 13. A cover plate 121 is provided at the bottom of the lamp plate 120, and the cover plate 121 is snapped and fixed in the mounting groove 13. The mounting groove 13 is used to accommodate the lamp plate 120 and the cover plate 121. The lamp plate 120 is used for illumination, and the cover plate 121 is used to disperse the light and protect the lamp plate 120. A limiting groove 119 is opened on the lower surface of the baffle 117 at the position corresponding to the position of the weight rod 5. The limiting groove 119 is used to accommodate the weight rod. 5; Multiple first elastic claws 115 are fixedly connected to the end cap 114. A first slot 112 is provided on the mounting base 17 at the position corresponding to the first elastic claw 115, and the first elastic claw 115 is engaged and fixed in the first slot 112. The first elastic claw 115 cooperates with the first slot 112 to realize the engagement and fixation of the end cap 114 and the mounting base 17; Multiple second elastic claws 118 are fixedly connected to one end of the baffle 117. A second slot 113 is provided on the mounting base 17 at the position corresponding to the second elastic claw 118, and the second elastic claw 118 is engaged and fixed in the second slot 113. The second elastic claw 118 cooperates with the second slot 113 to realize the engagement and fixation of the baffle 117 and the mounting base 17;The upper surface of the mounting base 17 is fixedly connected with a protrusion 19, the protrusion 19 is provided with a first mounting hole 110, one side outer wall of the mounting base 17 is provided with a second mounting hole 111, the protrusion 19 is used for assisting the positioning of the mounting base 17, the first mounting hole 110 is used for accommodating a steel wire for suspension when installing a ceiling, and the second mounting hole 111 is used for accommodating a screw when installing a wall; the first notch 15 is arranged on the shell 11 at a position corresponding to the protrusion 19, the second notch 116 is arranged on the end cover 114 at a position corresponding to the protrusion 19, and the first notch 15 and the second notch 116 are used for accommodating the protrusion 19; the mounting base 17 is fixedly connected with two supporting blocks 18, and the supporting blocks 18 are arranged in the shell 11, and the supporting blocks 18 are used for supporting two inner corners of the shell 11.
[0024] Working principle: when the utility model is used, one end of the curtain body 4 is installed on the winding roller 3, the other end is installed on the weighted rod 5, the motor 2 is installed on one of the supports 16, the winding roller 3 is installed on the output end of the motor 2, then the winding roller 3 is installed in the shell 11, and the curtain body 4 is arranged in the through slot 14; one end of the winding roller 3 is installed on the other support 16, the second elastic clamping jaw 118 is matched with the second clamping slot 113, the baffle 117 is installed on the mounting base 17, the mounting base 17 is installed on the support 16, the mounting base 17 is fixed on the mounting rib 12 through a screw, the mounting base 17 is fixed on the support 16 through a screw, the protrusion 19 is inserted into the first notch 15, the supporting block 18 is inserted into the shell 11, and the baffle 117 is inserted into the through slot 14; the end cover 114 is installed on the mounting base 17 through the first elastic clamping jaw 115 matched with the first clamping slot 112, the second notch 116 is sleeved on the protrusion 19, and finally the lamp plate 120 and the cover plate 121 are installed in the mounting groove 13 in sequence, so that the assembly is completed; wherein the first mounting hole 110 is used for accommodating a steel wire for suspension when installing a ceiling, the second mounting hole 111 is used for accommodating a screw when installing a wall, and the limiting groove 119 is used for accommodating the weighted rod 5.
[0025] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to specific circumstances.
[0026] The device embodiments described above are merely illustrative, wherein the units described as separate components can or can not be physically separate, and the components displayed as units can or can not be physical units, i.e., can be located in one place, or can be distributed to multiple network units. Part or all of the modules can be selected to achieve the purpose of the embodiment scheme according to actual needs. Those skilled in the art can understand and implement without creative labor.
[0027] Finally, it should be noted that: the above embodiments are only used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims
1. An electric screen, comprising a housing assembly (1), characterized in that: The housing assembly (1) includes a housing (11), with mounting bases (17) fixedly connected to both ends of the housing (11). An end cap (114) is snapped onto one outer wall of the mounting base (17), and a bracket (16) is fixedly connected to the other outer wall of the mounting base (17). The bracket (16) is fixedly connected inside the housing (11). A winding roller (3) is provided inside the housing (11), and both ends of the winding roller (3) are rotatably connected to two brackets (16), one of which is... (16) is fixedly connected to a motor (2), and the output end of the motor (2) is fixedly connected to the take-up roller (3). The take-up roller (3) is fixedly connected to the curtain body (4). The bottom end of the curtain body (4) is fixedly connected to a weight rod (5). The lower surface of the housing (11) is provided with a through groove (14), and the curtain body (4) is slidably connected in the through groove (14). Both ends of the through groove (14) are provided with baffles (117), and the baffles (117) are snapped and fixed on the mounting base (17).
2. The electric screen according to claim 1, characterized in that: Multiple mounting ribs (12) are fixedly connected inside the housing (11), and the bracket (16) is fixedly connected to the mounting ribs (12), and the mounting seat (17) is fixedly connected to the mounting ribs (12).
3. An electric screen according to claim 2, characterized in that: The lower surface of the housing (11) is provided with an installation groove (13), and a lamp plate (120) is fixedly connected in the installation groove (13). A cover plate (121) is provided at the bottom of the lamp plate (120), and the cover plate (121) is snapped and fixed in the installation groove (13).
4. An electric screen according to claim 1, characterized in that: A limiting groove (119) is provided on the lower surface of the baffle (117) at the position corresponding to the weight rod (5).
5. An electric screen according to claim 1, characterized in that: The end cap (114) is fixedly connected with a plurality of first elastic claws (115), and the mounting base (17) is provided with a first slot (112) at the position corresponding to the first elastic claws (115), and the first elastic claws (115) are engaged and fixed in the first slot (112).
6. An electric screen according to claim 1, characterized in that: One end of the baffle (117) is fixedly connected with a plurality of second elastic claws (118), and a second slot (113) is provided on the mounting base (17) at the position corresponding to the second elastic claws (118), and the second elastic claws (118) are engaged and fixed in the second slot (113).
7. An electric screen according to claim 6, characterized in that: The upper surface of the mounting base (17) is fixedly connected to a protrusion (19), and a first mounting hole (110) is provided on the protrusion (19). A second mounting hole (111) is provided on one side of the outer wall of the mounting base (17).
8. An electric screen according to claim 1, characterized in that: The housing (11) has a first notch (15) at the position corresponding to the protrusion (19), and the end cap (114) has a second notch (116) at the position corresponding to the protrusion (19).
9. An electric screen according to claim 7, characterized in that: Two support blocks (18) are fixedly connected to the mounting base (17), and the support blocks (18) are disposed inside the housing (11).