Double-shaft curtain screen window for motor home

Abstract

The utility model belongs to the technical field of screen windows, and relates to a double-shaft-curtain screen window for a motor home, which comprises an upper frame and side frames symmetrically arranged at the left end and the right end of the upper frame, a first reel and a second reel are distributed in the upper frame in a front-back parallel mode, and a sunshade curtain and an anti-mosquito screen are respectively wound on the first reel and the second reel. And one end of each of the first reel and the second reel is provided with an elastic self-coiling assembly, and the other end is provided with a damper. The top double-shaft design is adopted, the sunshade curtain and the anti-mosquito gauze can be independently pulled down and recycled, the anti-mosquito gauze can be pulled down to be hung and stopped at the bottom, the sunshade curtain can be stopped at four gears, the requirement for adjustment according to needs is met, meanwhile, the resilience force can be prevented from being too large, the slow returning effect is achieved, and the device has the advantages of being simple in structure, stable, reliable, low in manufacturing cost, convenient to use and the like. The occupied space is small, and the operation is convenient.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of screen window, concretely relates to a double-shaft curtain screen window for motor home. BACKGROUND

[0002] With the gradual improvement of living standards, motor homes are more and more widely used in ordinary people's life due to their functionality and convenience. When the motor home is parked and rested in the suburbs, it is necessary to open the window to increase air flow, but after opening the window, it will be disturbed by mosquitoes, so it is necessary to install a screen window at the window. At the same time, in order to block the sun and maintain privacy, a light curtain is usually installed. However, there are some shortcomings in the current market about the screen window for motor home, such as large installation size, inconvenience to pull, poor control of rebound force, and easy increase of operation difficulty of users, etc. SUMMARY

[0003] The utility model aims at solving the defects and deficiencies in the prior art, and designs a double-shaft curtain screen window for motor home, which adopts a top double-shaft design, is simple in structure, stable and reliable, low in cost, small in space occupation, and convenient to operate.

[0004] To achieve the above-mentioned purpose, the utility model adopts the technical scheme of a double-shaft curtain screen window for motor home, which comprises an upper frame, side frames symmetrically arranged at the left and right ends of the upper frame, a first reel and a second reel distributed in parallel in the upper frame, a sunshade curtain and a mosquito screen respectively wound on the first reel and the second reel, and an elastic self-winding assembly and a damper respectively arranged at one end and the other end of the first reel and the second reel.

[0005] Preferably, first and second sliding grooves corresponding to the side edges of the sunshade curtain and the mosquito screen are arranged on the inner sides of the side frames, and the side edges of the sunshade curtain and the mosquito screen respectively extend into the first and second sliding grooves.

[0006] Preferably, the bottom ends of the sunshade curtain and the mosquito screen are respectively fixedly connected with first and second pull rods, and the ends of the first and second pull rods respectively extend into the first and second sliding grooves.

[0007] Preferably, the ends of the first and second pull rods are respectively provided with limiting blocks, the first and second sliding grooves are respectively provided with limiting catches matched with the limiting blocks, and the top parts of the first and second sliding grooves are respectively provided with limiting grooves matched with the limiting blocks.

[0008] Preferably, four limiting catches are uniformly and spacedly arranged in the first sliding groove from top to bottom, and one limiting catch is arranged at the bottom of the second sliding groove.

[0009] Preferably, handles are arranged at the middle positions of the first and second pull rods.

[0010] Preferably, the elastic self-winding assembly comprises a rotating button arranged at the end of the first winding shaft and the second winding shaft, a spring arranged inside the first winding shaft and the second winding shaft and connected with the rotating button, and a ratchet structure arranged between the inner wall of the first winding shaft and the second winding shaft and the rotating button, and the end of the rotating button away from the spring is provided with a slot which is matched with a slot screwdriver.

[0011] With the above technical scheme, the double-shaft curtain screen window for a house car has the following beneficial effects:

[0012] The double-shaft design is adopted, the sunshade curtain and the mosquito-proof screen can be independently pulled down and recovered, the limiting clasp in the first sliding groove can realize that the mosquito-proof screen is pulled down to the bottom and hung, the limiting clasp in the second sliding groove can realize that the sunshade curtain is stopped at four gears, the requirement of adjusting according to the need is met, and the damper can avoid excessive rebound force and realize the slow recovery effect. BRIEF DESCRIPTION OF DRAWINGS

[0013] Fig. 1 Fig. 1 is a structural schematic view of the double-shaft curtain screen window for a house car of the present application;

[0014] Fig. 2 Fig. 2 is a structural schematic view of the double-shaft curtain screen window for a house car of the present application without installing a sunshade curtain;

[0015] Fig. 3 Fig. 3 is a part of the structural schematic view of the double-shaft curtain screen window for a house car of the present application.

[0016] Wherein: the upper frame 1, the side frame 2, the first winding shaft 3, the second winding shaft 4, the sunshade curtain 5, the mosquito-proof screen 6, the damper 7, the first sliding groove 8, the second sliding groove 9, the first pull rod 10, the second pull rod 11, the limiting block 12, the limiting clasp 13, the limiting clasp groove 14, the handle 15, the rotating button 16, the spring 17, and the ratchet structure 18. DETAILED DESCRIPTION

[0017] The present application will be described in further detail below with reference to the drawings and specific embodiments. Obviously, the described embodiments are only a part of the embodiments of the present application, but not all the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way limiting on the application or its applications or uses. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.

[0018] It is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and / or "comprising," when used in this specification, specify the presence of stated features, steps, operations, devices, components and / or combinations thereof, but do not preclude the presence or addition of one or more other features, steps, operations, devices, components and / or combinations thereof.

[0019] The relative arrangement of parts and steps, numerical expressions, and numerical values set forth in the examples are not intended to limit the scope of the present application unless otherwise specifically stated. It is to be understood that the drawings are not necessarily to scale of the various parts shown in the drawings. Techniques, methods, and apparatus known to those of ordinary skill are not discussed in detail because they would be understood that such techniques, methods, and apparatus are considered part of the art. In all examples shown and discussed herein, any specific values are to be interpreted as merely illustrative and not limiting. Thus, other examples of example embodiments can have different values. It is noted that like numbers and letters on the figures identify like parts throughout the several views, and thus, once an item is defined in one figure, it is not necessary to discuss it further in connection with other figures where it is understood that the item will be present.

[0020] In the description of the present application, it is to be understood that the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom" and the like indicated orientation or position relationship are usually based on the orientation or position relationship shown in the drawings, only for the convenience of describing the present application and simplifying the description, without making the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, therefore, it cannot be understood as a limitation on the scope of protection of the present application; the orientation words "inner, outer" refer to the inner and outer of the contour of each component itself.

[0021] For purposes of the description hereinafter, spatial terms, such as "above", "below", "upper", "lower", and the like, can be used with reference to the exemplary illustrations as shown in the drawings. However, it will be understood that the spatial terms are intended to encompass different orientations of the device in use or operation in addition to the orientations depicted in the drawings. For example, if the device described is turned over, and a spatial term had been used, such as "above" or "below", then that spatial term can encompass both the orientations now stated. Therefore, the exemplary term "above" can encompass both a first orientation in which a first device is above a second device and a second orientation in which the first device is below the second device. The device can be otherwise oriented (rotated 90 degrees or at other orientations) and the spatial descriptions used herein interpreted accordingly.

[0022] In addition, it should be noted that the use of "first", "second", and the like words of distinction do not connote any actual physical or chronological order, but are used to distinguish one element from another. In addition, the use of the words "first", "second", and the like words of distinction do not connote any special order or priority, but are used to distinguish one element from another.

[0023] The utility model discloses a double axle curtain screen window for motor home, Figs. 1-3 As shown in the drawings, including upper frame 1 and symmetrically setting side frame 2 at upper frame 1 left and right two ends, first reel 3 and second reel 4 are distributed in upper frame 1 inside and outside, sunshade curtain 5 and mosquito net 6 are respectively arranged on first reel 3 and second reel 4, and one end of first reel 3 and second reel 4 is equipped with elastic self winding assembly, and the other end is equipped with damper 7, the elastic self winding assembly includes rotation button 16 arranged at the end of first reel 3 and second reel 4, spring 17 connected with rotation button 16 arranged in the inside of first reel 3 and second reel 4, and ratchet structure 18 matched between the inner wall of first reel 3 and second reel 4 and rotation button 16, the end of rotation button 16 away from spring 17 also has a slot matched with a slot screwdriver, can push rotation button 16 inwards and rotate through the slot screwdriver to overcome the elastic force of spring 17, and the rotation process is to pre-tighten spring 17, because spring 17 will have the outward thrust to rotation button 16, and slowly loosens the slot screwdriver outward, at this moment, rotation button 16 and reel inner wall are engaged through ratchet structure, to realize self winding, through the design of damper 7, can avoid that the rebound force is too big, realizes the slow return effect.

[0024] The first sliding groove 8 and the second sliding groove 9 are arranged in the side frame 2 respectively corresponding to the side of the sunshade curtain 5 and the side of the mosquito screen 6, the side of the sunshade curtain 5 and the side of the mosquito screen 6 extend into the first sliding groove 8 and the second sliding groove 9 respectively, the bottom end of the sunshade curtain 5 and the mosquito screen 6 is fixedly connected with the first pull rod 10 and the second pull rod 11 respectively, the middle position of the first pull rod 10 and the second pull rod 11 is provided with a handle 15, the end of the first pull rod 10 and the second pull rod 11 extends into the first sliding groove 8 and the second sliding groove 9 respectively, the end of the first pull rod 10 and the second pull rod 11 is provided with a limiting block 12, the top of the first sliding groove 8 and the second sliding groove 9 is provided with a limiting slot 14 matched with the limiting block 12, for providing a limiting effect when the sunshade curtain 5 and the mosquito screen 6 are recycled, further, the first sliding groove 8 and the second sliding groove 9 are further provided with a limiting clamping hook 13 matched with the limiting block 12, specifically, four limiting clamping hooks 13 are uniformly and spacedly arranged in the first sliding groove 8 from top to bottom, so that the sunshade curtain 5 can be stopped at four gears when being pulled down, and the requirement of adjusting according to needs can be met, the second sliding groove 9 is provided with one limiting clamping hook 13 at the bottom, so that the mosquito screen 6 can be hung and stopped at the bottom when being pulled down.

[0025] The double-shaft curtain screen window for a house car has the advantages of simple structure, stability and reliability, low cost, small occupied space, convenient operation and the like, has great market value and is worth being widely applied.

[0026] The above is only a preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, and all should be covered in the protection scope of the utility model.

Claims

1. A dual axle screen window for a recreational vehicle, characterized by: The utility model provides a sunshade curtain and anti-mosquito screen, including upper frame (1) and symmetrically arranged side frame (2) at the left and right ends of upper frame (1), first reel (3) and second reel (4) are distributed in upper frame (1) front and back parallelly, sunshade curtain (5) and anti-mosquito screen (6) are arranged on first reel (3) and second reel (4) respectively, and one end of first reel (3) and second reel (4) is equipped with elastic self-winding assembly, and the other end is equipped with damper (7).

2. The dual axle curtain screen window for a recreational vehicle of claim 1, wherein: The inner side of side frame (2) is provided with first sliding groove (8) and second sliding groove (9) corresponding to the side of sunshade curtain (5) and the side of anti-mosquito screen (6) respectively, and the side of sunshade curtain (5) and the side of anti-mosquito screen (6) extend into first sliding groove (8) and second sliding groove (9) respectively.

3. The dual axle curtain screen window for a recreational vehicle of claim 2, wherein: The bottom end of sunshade curtain (5) and anti-mosquito screen (6) is fixedly connected with first pull rod (10) and second pull rod (11) respectively, and the end of first pull rod (10) and second pull rod (11) extends into first sliding groove (8) and second sliding groove (9) respectively.

4. The dual axle curtain screen window for a recreational vehicle of claim 3, wherein: The end of first pull rod (10) and second pull rod (11) is provided with limiting block (12), and first sliding groove (8) and second sliding groove (9) are provided with limiting clamping hook (13) matched with respective limiting block (12), and the top of first sliding groove (8) and second sliding groove (9) is provided with limiting clamping slot (14) matched with respective limiting block (12).

5. The dual axle curtain screen window for a recreational vehicle of claim 4, wherein: Four limiting clamping hooks (13) are uniformly and spacedly arranged in first sliding groove (8) from top to bottom, and one limiting clamping hook (13) is arranged at the bottom of second sliding groove (9).

6. The dual axle curtain screen window for a recreational vehicle of claim 3, wherein: The middle position of first pull rod (10) and second pull rod (11) is provided with handle (15).

7. The dual axle curtain screen window for a recreational vehicle of claim 1, wherein: The elastic self-winding assembly comprises rotating button (16) arranged at the end of first reel (3) and second reel (4), spring (17) arranged in first reel (3) and second reel (4) and connected with rotating button (16), and ratchet structure (18) arranged between the inner wall of first reel (3) and second reel (4) and rotating button (16) and matched, and the end of rotating button (16) away from spring (17) is also provided with a slot matched with a slot screwdriver.

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