CN216588412U - External adjustable spring roller shutter - Google Patents

Abstract

The application discloses curtain is rolled up to external adjustable spring includes: the mounting seat is connected with the wall surface and is suitable for hoisting the spring roller shutter; the winding shaft is suitable for winding the curtain cloth or unwinding the curtain cloth; the side fixing seats are fixedly connected to the two ends of the mounting seat, a through hole is formed in the middle of each side fixing seat, and the scroll penetrates through the through hole; the spring is suitable for providing rotating force when the curtain cloth is rolled; the limiting assemblies are mounted at two ends of the winding shaft and are suitable for controlling the stay of the cord fabric, spring accommodating grooves are formed in the outer sides of the limiting assemblies and are suitable for accommodating springs, and one ends of the springs are connected into the spring accommodating grooves; the elasticity adjusting assembly is rotatably connected to the outer side of the limiting assembly and connected with the other end of the spring, and the elasticity adjusting assembly is suitable for controlling the elasticity of the spring. An object of the present application is to provide an external adjustable spring rolling curtain, which can adjust the spring force and the rolling speed of both sides of the curtain.

Description

External adjustable spring roller shutter

Technical Field

The application relates to the field of curtain parts, in particular to an external adjustable spring roller shutter.

Background

At present, a spring roller shutter is a common curtain type, and is named after a built-in spring, so that when people pull the curtain downwards by hands, the spring roller shutter can stay at a corresponding position; when the roller shutter is pulled forcefully, the spring roller shutter can continue to move downwards and stay at the corresponding position; when the roller blind is slightly pulled again, the spring reel can continuously rotate under the action of the spring, so that the roller blind is retracted. The principle of the spring roller shutter is to control the stagnation and the retraction of the spring roller shutter through a ball in a limiting stopper, and the power source recovered by the spring roller shutter is a built-in spring.

However, after the existing spring roller shutter is used for a long time, the elasticity is reduced, the retraction is not in place, and the two sides of the retracted curtain are unbalanced, thereby affecting the appearance.

Disclosure of Invention

An object of the present application is to provide an external adjustable spring rolling curtain, which can adjust the spring force and the rolling speed of both sides of the curtain.

In order to achieve the above purposes, the technical scheme adopted by the application is as follows:

an externally adjustable spring-loaded roller shade, comprising:

the mounting seat is connected with a wall surface and used for hoisting the spring roller shutter;

a reel adapted to draw in or unwind the curtain;

the side fixing seats are fixedly connected to the two ends of the mounting seat, a through hole is formed in the middle of each side fixing seat, and the scroll penetrates through the through hole;

a spring adapted to provide a turning force when the curtain is closed;

the limiting assemblies are arranged at two ends of the reel and are suitable for controlling the curtain cloth to stay; a spring accommodating groove is formed in the outer side of the limiting assembly and is suitable for accommodating the spring, and one end of the spring is connected into the spring accommodating groove;

the elasticity adjusting component is rotatably connected to the outer side of the limiting component and connected with the other end of the spring, and the elasticity adjusting component is suitable for controlling the elasticity of the spring.

The utility model provides a curtain is rolled up to adjustable spring has respectively set up a spacing subassembly at the both ends of spool, can control the speed of drawing in at curtain cloth both ends respectively to adjust the recovery power of both sides spring through setting up the elasticity adjusting part on two spacing subassemblies respectively, can finely tune the recovery power at both ends, accomplish synchronous recovery, and after long-time the use, even the spring pretightning force is on the small side, also can step up the spring again.

Furthermore, the outside of spacing subassembly is equipped with spacing step, is applicable to the left and right slip displacement of restriction spool.

More preferably, the spring is a spiral plate spring.

Preferably, a first spring adjusting block is further arranged in the spring accommodating groove and is suitable for enabling the spring to be pressed or loosened, one end of the spring is fixedly connected into the spring accommodating groove, and the other end of the spring is connected to the first spring adjusting block; the corresponding position of elasticity adjusting part is provided with the second spring regulating block, first spring regulating block with second spring regulating block fixed connection, the second spring regulating block is applicable to and promotes first spring regulating block is rotatory.

Be provided with the second spring regulating block on the elasticity adjusting part, the first spring regulating block of fixing on the spring is connected to the second spring regulating block, the second spring regulating block can rotate along with elasticity adjusting part's rotation, at this moment, fix the first spring regulating block on the second spring regulating block and also can rotate, thereby the one end of drive spring rotates, and the other end of spring is fixed in the spring holding tank, consequently, relative motion takes place at the both ends of spring, the spring just is compressed tightly or is relaxed, thereby the elasticity of adjustment spring, the recovery power at adjustment spool both ends.

In another preferred mode, the elasticity adjusting assembly is provided with an external thread, and the corresponding position of the limiting assembly is provided with an internal thread matched with the limiting assembly.

The threaded connection is relatively stable, a certain loosening effect is achieved, the spring force of the spring is increased, reverse rotation is avoided, and the threaded connection is relatively convenient to adjust.

Preferably, a handle wheel is mounted on the outer side of the elasticity adjusting component, and the handle wheel is suitable for driving the elasticity adjusting component to rotate.

Further preferably, the handle wheel and the elasticity adjusting assembly are detachably connected.

It is further preferred that the outside of elasticity adjusting part is equipped with the cross fixed slot, be provided with on the handle wheel with the cross protruding that the cross fixed slot matches, the cross fixed slot is applicable to the drive elasticity adjusting part is rotatory.

Handle wheel and elasticity adjusting part detachable are connected, conveniently reduce the space that external adjusting part occupy to reduce the whole weight of rolling up the curtain, prevent that overweight from droing, perhaps roll up the curtain position inadequately, lead to the light leak.

Compared with the prior art, the beneficial effect of this application lies in:

(1) the elasticity of the springs at the two ends can be respectively adjusted by adjusting the elasticity adjusting components, so that the tightening speeds of the two ends of the scroll can be more conveniently adjusted, the two ends of the scroll are synchronously tightened, and the condition that the cord fabric is failed due to the fact that the one side of the scroll is too fast to be tightened and the other side of the scroll is slower to be tightened is prevented;

(2) through adjustment elasticity adjusting part, can effectual help increase spring force, after long-time the use, the spring takes place plastic deformation easily, leads to elasticity to diminish, and the recovery speed that the spring rolled up the curtain just descends greatly at this moment, often can't reach the purpose of retrieving the roll curtain, consequently can adjust the elasticity adjusting part at spool both ends respectively to increase the pretightning force of spring, thereby reach the purpose that increases the spring roll curtain recovery speed.

Drawings

FIG. 1 is a prior art view of a spring-loaded roller shade showing a prior art spring-loaded roller shade;

FIG. 2 is a schematic view of one embodiment of a spring-loaded roller shade showing the components and positions;

FIG. 3 is an exploded view of one embodiment of the spring-loaded roller shade showing the manner and location of the attachment of the various components;

FIG. 4 is a schematic view of a handle wheel of one embodiment of the spring-loaded roller shade, showing the configuration of the handle wheel;

FIG. 5 is a front view of a spring force adjustment assembly of one embodiment of a spring-loaded roller shade;

FIG. 6 is a schematic view of a stop assembly of one embodiment of the spring-loaded roller shade, illustrating various features of the stop assembly.

In the figure:

1. a mounting seat;

2. a fixed seat; 21. a through hole;

3. a reel;

4. an elasticity adjusting component; 41. a second spring adjustment block; 42. a cross-shaped fixing groove; 43. an external thread;

5. a cord fabric;

6. a limiting component; 61. a spring receiving groove; 62. a limiting step; 63. a first spring adjustment block; 64. an internal thread;

7. a spring;

8. a handle wheel; 81. and a cross-shaped bulge.

Detailed Description

The present application is further described below with reference to specific embodiments, and it should be noted that, without conflict, any combination between the embodiments or technical features described below may form a new embodiment.

In the description of the present application, it should be noted that, for the terms of orientation, such as "central", "lateral", "longitudinal", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., it indicates that the orientation and positional relationship shown in the drawings are based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, but does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be construed as limiting the specific scope of protection of the present application.

It is noted that the terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.

The terms "comprises," "comprising," and "having," and any variations thereof, in the description and claims of this application, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.

As shown in fig. 1, in a spring rolling blind common in the prior art, a spring 7 is wound on a reel 3, and a stop assembly 6 is used for controlling the stop position of the spring rolling blind, wherein the stop assembly 6 is the prior art, a steel ball and a labyrinth path are further arranged in the stop assembly 6, the steel ball can stop at different positions of the labyrinth path to stop and recover in a state of realizing the spring rolling blind, but the existing spring 7 is arranged in a curtain cloth 5, if the curtain cloth is used for a long time, the replacement of the spring 7 or the re-pre-tightening of the spring 7 is difficult, the integral replacement is required, materials are wasted, and the single winding spring 7 easily forms the problem that the contraction speeds of two ends of the curtain cloth 5 are different, thereby causing the failure of curtain collection.

In response to these problems, the applicant has invented an externally adjustable spring-type roller shutter, one specific embodiment of which, as shown in fig. 2 to 6, comprises:

the mounting seat 1 is connected with a wall surface and used for rolling a curtain by using a hoisting spring;

a reel 3 adapted to draw in the curtain 5 or to unwind the curtain 5;

the side fixing seats 2 are fixedly connected to two ends of the mounting seat 1, a through hole 21 is formed in the middle of each side fixing seat 2, and the reel 3 penetrates through the through hole 21;

a spring 7 adapted to provide a turning force when the curtain 5 is closed;

the limiting assemblies 6 are arranged at the two ends of the reel 3 and are suitable for controlling the curtain cloth 5 to stay; a spring accommodating groove 61 is formed in the outer side of the limiting assembly 6, the spring accommodating groove 61 is suitable for accommodating the spring 7, and one end of the spring 7 is connected into the spring accommodating groove 61;

and the elasticity adjusting component 4 is rotatably connected to the outer side of the limiting component 6 and is connected with the other end of the spring 7, and the elasticity adjusting component 4 is suitable for controlling the elasticity of the spring 7.

The utility model provides a curtain is rolled up to adjustable spring has respectively set up a spacing subassembly 6 at the both ends of spool 3, can control the speed of drawing in at 5 both ends of curtain cloth respectively to adjust the recovery power of both sides spring 7 through setting up elasticity adjusting part 4 on two spacing subassemblies 6 respectively, can finely tune the recovery power at both ends, accomplish synchronous recovery, and after long-time the use, even spring 7 pretightning force is slightly little, also can step up spring 7 again.

Compare in establishing the prior art on spool 3 with a whole spring 7 cover, this application adopts to use two springs 7 to place respectively in the spring accommodation groove 61 at both ends, can guarantee that spring 7's elasticity is enough, also can use elasticity adjusting part 4 to control spring 7's elasticity respectively, realizes adjusting the effect of the power of retrieving at spool 3 both ends respectively.

In a further preferred embodiment, as shown in fig. 5, the limiting assembly 6 is provided with a limiting step 62 on the outer side thereof, adapted to limit the left-right sliding displacement of the winding shaft 3.

The limiting steps 62 on the limiting assemblies 6 at the two ends of the winding shaft 3 can respectively limit the winding shaft 3 to slide left and right, and can prevent the winding shaft 3 from moving left and right due to the change of the tension position in the pulling-down process of the spring roller shutter, so that the spring roller shutter is poor in use effect.

As shown in fig. 3, the spring 7 is preferably a spiral plate spring.

The spiral plate spring can increase the elasticity of the spring 7 and reduce the height of the spring 7, so that the spring 7 can be placed in the spring accommodating groove 61, and the appearance of the spring roller shutter can be effectively beautified by the flat spring 7.

In a further preferred embodiment, as shown in fig. 6, a first spring adjusting block 63 is further disposed in the spring receiving groove 61, one end of the spring 7 is fixedly connected in the spring receiving groove 61, and the other end of the spring 7 is fixedly connected to the first spring adjusting block 63; the corresponding position of the elasticity adjusting assembly 4 is provided with a second spring adjusting block 41, the second spring adjusting block 41 is fixed on the elasticity adjusting assembly 4, and the second spring adjusting block 41 is fixedly connected with the first spring adjusting block 63.

The first spring adjusting block 63 can drive one end of the spring 7 to rotate clockwise or counterclockwise, corresponding to the compression or the release of the spring 7, and if the rising speed of one end of the reel 3 is too high, the first spring adjusting block 63 can be adjusted to rotate counterclockwise to release the spring 7, so that the rebounding speed of the end is reduced; if the lifting speed of one end of the winding shaft 3 is too slow, the first spring adjusting block 63 can be adjusted to rotate clockwise to pre-tighten the spring 7, so that the rebounding speed of the end is increased, in the actual use process, the spring 7 is preferably pressed counterclockwise, namely the slow end is preferably increased in elasticity, and the recovery speed is increased.

The elasticity adjusting component 4 is provided with a second spring adjusting block 41, the second spring adjusting block 41 is connected and fixed on a first spring adjusting block 63 on the spring 7, the second spring adjusting block 41 can rotate along with the rotation of the elasticity adjusting component 4, at the moment, the first spring adjusting block 63 fixed on the second spring adjusting block 41 also rotates, thereby rotating one end of the spring 7 and fixing the other end of the spring 7 in the spring receiving groove 61, so that the two ends of the spring 7 move relatively, the spring 7 is compressed or released, thereby adjusting the elastic force of the spring 7, adjusting the recovery force at both ends of the reel 3, and, notably, during the adjustment process, the reel 3 needs to be held by hand so as not to rotate along with the rotation of the elastic force adjusting component 4, otherwise, the two ends of the spring 7 can not move relatively, and the purpose of pressing or loosening the spring 7 can not be achieved.

It should be noted that the first spring adjusting block 63 and the second spring adjusting block 41 are necessary, and if the elastic force adjusting assembly 4 is directly connected to the spring 7, the port of the spring 7 is narrow and easily falls off, so that the device cannot function normally.

As shown in fig. 5 and 6, it is further preferable that the elasticity adjusting assembly 4 is provided with an external thread 43, and the corresponding position of the limiting assembly 6 is provided with an internal thread 64 matching with the external thread.

In a preferred embodiment, the rotatable connection mode of the limiting component 6 and the elasticity adjusting component 4 is preferably threaded connection, because the threaded connection is relatively stable and has a certain loosening effect, the spring force of the spring is increased, the spring cannot rotate reversely, the threaded connection is relatively convenient to adjust, and the elasticity adjusting component 4 is rotated clockwise, so that the second spring adjusting block 41 is driven to rotate clockwise, the first spring adjusting block 63 is driven to rotate, the spring 7 is pressed, and the elasticity of the spring 7 is increased; and as the elastic force adjusting component 4 rotates, the elastic force adjusting component 4 is driven by the screw thread to perform feed motion, is further close to the limiting component 6, and is placed with the spring 7 to rotate reversely.

As shown in fig. 3, it is further preferable that a handle wheel 8 is mounted on the outer side of the elastic force adjusting assembly 4, and the handle wheel 8 can drive the elastic force adjusting assembly 4 to rotate.

The handle wheel 8 is used for driving the elasticity adjusting component 4 to rotate, so that space can be saved, a long screwdriver or a 90-degree screwdriver needs to be matched with tools additionally, and the operation is very inconvenient when the tools need to be adjusted in time or the proper tools cannot be found at one time.

As shown in fig. 3, it is further preferred that the handle wheel 8 and the resilient force adjusting member 4 are detachably connected.

Handle wheel 8 and elasticity adjusting part 4 detachably connect, can effectively save space, and the installation space of (window) curtain is very limited usually, if external handle wheel 8, elasticity adjusting part 4, the space that spacing subassembly 6 occupy is too big, and the space that can lead to needs is very big, leads to the (window) curtain to can not shield the window completely easily to lead to the problem of light leak.

As shown in fig. 3 and 4, it is further preferable that a cross fixing groove 42 is formed at an outer side of the elastic force adjusting assembly 4, a cross protrusion 81 matched with the cross fixing groove 42 is formed on the handle wheel 8, and the cross fixing groove 42 is adapted to drive the elastic force adjusting assembly 4 to rotate.

The handle wheel 8 is detachably connected with the elastic force adjusting component 4, so that the space occupied by the external elastic force adjusting component 4 is conveniently reduced, the weight of the whole roller shutter is reduced, and light leakage caused by over-weight falling or insufficient roller shutter position is prevented; and adopt cross fixed slot 42, it is very simple and convenient when installing and using, find accurate position disect insertion can use, cross fixed slot 42 cooperates the protruding 81 of cross moreover, can effectual matching rotation torque power, makes pivoted effect maximize to increase the speed of adjustment.

The foregoing has described the general principles, essential features, and advantages of the application. It will be understood by those skilled in the art that the present application is not limited to the embodiments described above, which are merely illustrative of the principles of the application, but that various changes and modifications may be made without departing from the spirit and scope of the application, and these changes and modifications are intended to be within the scope of the application as claimed. The scope of protection claimed by this application is defined by the following claims and their equivalents.

Claims (8)

1. The utility model provides an external adjustable spring roller shutter which characterized in that includes:

the mounting seat is connected with the wall surface and is suitable for hoisting the spring roller shutter;

a spool adapted to wind or unwind the cord;

the side fixing seats are fixedly connected to two ends of the mounting seat, a through hole is formed in the middle of each side fixing seat, and the scroll penetrates through the through hole;

the spring is suitable for providing rotating force when the curtain cloth is rolled;

the limiting assemblies are mounted at two ends of the winding shaft and are suitable for controlling the curtain cloth to stay, spring accommodating grooves are formed in the outer sides of the limiting assemblies and are suitable for accommodating the springs, and one ends of the springs are connected into the spring accommodating grooves;

the elasticity adjusting assembly is rotatably connected to the outer side of the limiting assembly and connected with the other end of the spring, and the elasticity adjusting assembly is suitable for controlling the elasticity of the spring.

2. The externally adjustable spring roller blind of claim 1, wherein the outer side of the limiting component is provided with a limiting step adapted to limit the sliding displacement of the roller shaft.

3. The externally adjustable spring blind of claim 1 wherein said spring is a helical leaf spring.

4. The externally adjustable spring-loaded roller shade of claim 1, wherein a first spring-adjusting block is disposed within said spring-receiving slot, said first spring-adjusting block being adapted to compress or release said spring, one end of said spring being fixedly attached within said spring-receiving slot, the other end of said spring being attached to said first spring-adjusting block; the corresponding position of elasticity adjusting part is provided with the second spring regulating block, first spring regulating block with second spring regulating block fixed connection, the second spring regulating block is applicable to and promotes first spring regulating block is rotatory.

5. The externally adjustable spring roller shutter as claimed in claim 1, wherein the elastic force adjusting member is provided with an external thread, and the position limiting member is provided with an internal thread at a corresponding position.

6. The externally adjustable spring roller blind of claim 5, wherein a handle wheel is mounted on an outer side of the elastic force adjusting assembly, and the handle wheel is adapted to drive the elastic force adjusting assembly to rotate.

7. The externally adjustable spring blind of claim 6 wherein said handle wheel and said spring force adjustment assembly are removably connected.

8. The externally adjustable spring roller shutter as claimed in claim 7, wherein the spring force adjusting assembly is provided at an outer side thereof with a cross fixing groove, and the handle wheel is provided with a cross protrusion matching with the cross fixing groove, the cross fixing groove being adapted to drive the spring force adjusting assembly to rotate.

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