TWM605068U - Roller blind capable of setting upper and lower limit and buffer thereof - Google Patents

Abstract

This creation is related to a roller blind with upper and lower limits and its buffer. The buffer with upper and lower limits includes an inner tube, a first sliding seat, a first limit seat and a second limit. Seat. When a curtain is driven by a linkage assembly to sag down, the linkage assembly drives the first sliding seat to push against the first limit seat, thereby stopping the linkage assembly from dropping the curtain; when the curtain is driven by the linkage assembly When being driven and pulled up, the linkage assembly drives the first sliding seat to push against the second limit seat, thereby stopping the linkage assembly from pulling up the curtain. With the first limit seat and the second limit seat, no matter whether the curtain is to be lowered or pulled up, the curtain can be restricted without worrying about excessive drooping or excessive pulling of the curtain. damage.

Description

Roller blind with upper and lower limit and its buffer

This creation is about a roller blind and its buffer, especially a roller blind and its buffer with upper and lower limits.

When laying down the curtain of the roller blind, if the volume of the roller blind is large, the weight of the curtain may damage the body of the roller blind when the curtain rapidly drops. If you do not properly buffer and limit the position when the curtain falls, the weight of the curtain may concentrate on the connection between the curtain and the roller blind body, causing the curtain to be damaged or even broken, and the curtain and the roller curtain body may be caused by excessive sag. Separate.

Therefore, the author once proposed a roller blind and its control device for rapid descent curtains, and was classified as a patent of the Republic of China Patent Publication No. M591815. The control device for the rapid drop curtain of the aforementioned patent includes: a winding mechanism with an engaging part; a solenoid valve arranged on the winding mechanism; and a pushing mechanism movably arranged on the winding mechanism , The pushing mechanism is connected with the solenoid valve; a front cap is engaged with the engaging portion of the retracting mechanism, the front cap is connected with the pushing mechanism; and a damping mechanism is connected with the front cap; the solenoid valve After being energized, the solenoid valve drives the pushing mechanism to push the front cap to separate the front cap from the engaging portion, and the retracting mechanism is not subject to the resistance of the damping. The solenoid valve is energized to separate the front cap from the engaging portion of the retracting mechanism, so that a curtain of a roller blind is not affected by the resistance of the damping, and can be quickly lowered by gravity. After the curtain cloth is put down, the curtain cloth is restricted by a limit mechanism to prevent the curtain cloth from hanging excessively.

However, in the aforementioned patent case, the curtain is only limited when the curtain is hanging. When the curtain is raised, if the user does not pay attention and continues to operate the curtain to raise the curtain, the lower rail connected to the lower end of the curtain may hit the roller blind body , Causing damage to the lower rail and even the body of the roller blind.

In this regard, the author proposed a buffer with upper and lower limits, which is used to limit the lifting of a curtain driven by a linkage component. The buffer with upper and lower limits includes: an inner tube, set In the linkage assembly; a first sliding seat arranged on the inner tube and combined with the linkage assembly, the first sliding seat being driven by the linkage assembly to rotate and move on the inner tube; a first limit seat , Arranged on the inner tube and adjacent to one side of the first sliding seat; and a second limiting seat arranged on the inner tube and adjacent to the other side of the first sliding seat; when the curtain is subjected to When the linkage assembly drives and sags, the linkage assembly drives the first sliding seat to rotate on the inner tube toward the first limit seat, and when the first sliding seat is pushed against the first limit seat, The first limit seat enables the first sliding seat to drive the linkage assembly to stop the curtain from hanging down; when the curtain is pulled up by the linkage assembly, the linkage assembly drives the first sliding seat on the inner tube The second limit seat rotates, and when the first sliding seat pushes against the second limit seat, the second limit seat causes the first sliding seat to drive the linkage assembly to stop pulling up the curtain.

Further, the first limiting seat includes a second sliding seat and a buffer elastic member, the buffer elastic member is disposed between the inner tube and the second sliding seat; when the first sliding seat is pushed against the second sliding seat When the buffering elastic member stores a buffering elastic potential energy, the second sliding seat stops being rotated; when the first sliding seat is far from the second sliding seat, the buffering elastic member releases the buffering elastic potential energy to make the The second carriage is reset.

Further, the inner tube has a first threaded part, the first sliding seat has a second threaded part engaged with the first threaded part of the inner tube; the linkage assembly drives the first sliding seat to fit the first threaded part on the inner tube A threaded part rotates and moves toward the first limit seat or the second limit seat.

Further, the second limiting seat includes a third sliding seat and a fixing member, and the fixing member is disposed on the third sliding seat and abuts against the first threaded portion of the inner tube; when the first sliding seat is pushed When abutting against the third sliding seat, the fixing member presses the first threaded part to stop the third sliding seat from being rotated.

Further, one side of the first sliding seat has a first joining part, and the other side has a second joining part, the first limiting seat has a third joining part, and the second limiting seat has a fourth joining part; when When the first sliding seat is pushed against the first limiting seat, the first joining portion of the first sliding seat is combined with the third joining portion of the first limiting seat; when the first sliding seat is pushed against the In the second limit seat, the second joint portion of the first sliding seat is combined with the fourth joint portion of the second limit seat.

The creator further proposes a roller blind with upper and lower limits for restricting a curtain. The roller blind with upper and lower limits includes: a linkage component, including an outer tube connected to the curtain, the curtain is The outer tube is driven to rise and fall; an inner tube is arranged in the outer tube; a first sliding seat is arranged on the inner tube and is combined with the outer tube, and the first sliding seat is driven by the outer tube to move in the inner tube The tube rotates and moves; a first limiting seat is arranged on the inner tube and adjacent to one side of the first sliding seat; and a second limiting seat is arranged on the inner tube and adjacent to the first sliding seat The other side of the sliding seat; when the curtain is driven by the linkage assembly to sag, the outer tube drives the first sliding seat to rotate on the inner tube toward the first limit seat, and the first sliding seat pushes After reaching the first limit seat, the first sliding seat drives the outer tube to stop the linkage assembly from descending the curtain; when the curtain is pulled up by the linkage assembly, the outer tube drives the first sliding Seated on the inner tube to rotate and move toward the second limit seat, after the first sliding seat is pushed against the second limit seat, the first sliding seat drives the outer tube to stop the linkage assembly from pulling up the curtain .

Further, the first limiting seat includes a second sliding seat and a buffer elastic member, the buffer elastic member is disposed between the inner tube and the second sliding seat; when the first sliding seat is pushed against the second sliding seat When the buffering elastic member stores a buffering elastic potential energy, the second sliding seat stops being rotated; when the first sliding seat is far from the second sliding seat, the buffering elastic member releases the buffering elastic potential energy to make the The second carriage is reset.

Further, the outer tube has a limiting bar, the inner tube has a first threaded portion, the first sliding seat has a limiting portion corresponding to the limiting bar, and a second threaded portion is engaged with the first thread of the inner tube When the outer tube rotates, the outer tube drives the first sliding seat to cooperate with the first threaded portion along the limit bar to rotate and move on the inner tube.

Further, the second limiting seat includes a third sliding seat and a fixing member, and the fixing member is disposed on the third sliding seat and abuts against the first threaded portion of the inner tube; when the first sliding seat is pushed When abutting against the third sliding seat, the fixing member presses the first threaded part to stop the third sliding seat from being rotated.

Further, one side of the first sliding seat has a first joining part, and the other side has a second joining part, the first limiting seat has a third joining part, and the second limiting seat has a fourth joining part; When the first sliding seat is pushed against the first limiting seat, the first joining portion of the first sliding seat is combined with the third joining portion of the first limiting seat; when the first sliding seat is pushed against the first limiting seat When there are two limit seats, the second joint portion of the first sliding seat is combined with the fourth joint portion of the second limit seat.

According to the above technical features, the following effects can be achieved:

1. There are a first limit seat and a second limit seat on both sides of the first sliding seat. Whether you want to drop the curtain or pull up the curtain, you can limit the curtain without worrying about excessive draping Or pull excessively and damage.

2. The first limit seat includes a second sliding seat and a cushioning elastic member. When the first sliding seat is pushed against the second sliding seat, the cushioning elastic member can effectively buffer the huge impact force of the curtain when the curtain sags.

3. The first threaded part of the inner tube meshes with the second threaded part of the first sliding seat to ensure that the first sliding seat approaches the first limit seat when the curtain sags, and moves toward the second limit when the curtain rises. The seat is close, and will not move randomly.

4. The second limiting seat includes a third sliding seat and a fixing part. When the first sliding seat is pushed against the third sliding seat, the fixing part can stop the third sliding seat from being rotated.

5. With the first joining part and the third joining part, the first sliding seat and the first limiting seat can be engaged with each other when the curtain fabric is dropped.

6. With the second joint part and the fourth joint part, when the curtain is raised, the first sliding seat and the second limiting seat can also be engaged with each other.

7. With the limit bar of the outer tube and the limit part of the first slide, the outer tube and the first slide can be linked.

Based on the above technical features, the main functions of the roller blind with upper and lower limits and its buffers in this creation will be clearly presented in the following embodiments.

Please refer to the first and second figures, which disclose the upper and lower limit roller blinds of this creative embodiment. The upper and lower limit roller blinds can be hung on the ceiling or wall by a fixing frame A and used for For a curtain B limit, the roller blind with upper and lower limits includes: a linkage component 1, a fixed component 2 and a buffer 3 with upper and lower limits. The linkage assembly 1 includes an outer tube 11 connected to the curtain fabric B. The curtain fabric B is driven by the outer tube 11 to move up and down. A plurality of limit bars 111 are arranged inside the outer tube 11 at intervals. The fixing assembly 2 is disposed at one end of the outer tube 11 and fixed on the fixing frame A. The fixing assembly 2 includes a rod 21.

Please refer to the first, third and fourth figures. The buffer 3 with upper and lower limits includes an inner tube 31, a first sliding seat 32, a first limit seat 33 and a second limit position. Block 34.

The inner tube 31 is arranged in the outer tube 11 and sleeved on the rod 21. In the embodiment of the present creation, the inner tube 31 and the rod 21 are both square tubes, and can be made of screws, etc. The method is fixed so that the inner tube 31 and the rod 21 will not move or rotate relative to each other. The inner tube 31 has a first threaded portion 311, and one end of the inner tube 31 has a fixing portion 312.

The first sliding seat 32 is disposed on the inner tube 31 and combined with the linkage assembly 1. More specifically, the first sliding seat 32 has a second threaded portion 321 engaged with the first threaded portion of the inner tube 31 311, and a limiting portion 322 corresponding to the limiting strip 111 in the outer tube 11, so that the outer tube 11 can drive the first sliding seat 32 to cooperate with the first threaded portion 311 to move along the limiting strip 111 The inner tube 31 rotates and moves. The first sliding seat 32 has a first coupling portion 323 on one side and a second coupling portion 324 on the other side.

The first limiting seat 33 includes a second sliding seat 331 and a buffer elastic member 332. The second sliding seat 331 is sleeved on the inner tube 31 and adjacent to one side of the first sliding seat 32. The second sliding seat 331 has a third coupling portion 3311 corresponding to the first sliding seat 32.合部323。 合部323. One end of the buffer elastic member 332 is coupled to the second sliding seat 331, and the other end is coupled to the fixing portion 312 of the inner tube 31.

The second limiting seat 34 includes a third sliding seat 341 and a fixing member 342. The third sliding seat 341 is sleeved on the inner tube 31 and adjacent to the other side of the first sliding seat 32. The third sliding seat 341 has a fourth coupling portion 3411 corresponding to the first sliding seat 32. Two joint 324. The fixing member 342 is disposed in a through hole 3412 of the third sliding seat 341 and abuts against the first threaded portion 311. In the embodiment of the present invention, the first coupling portion 323, the second coupling portion 324, the third coupling portion 3311, and the fourth coupling portion 3411 are all bumps, and the fixing member 342 is a screw.

Please refer to the fifth and sixth figures, and please match the second figure. The first thing to be explained is the lower limit. When the outer tube 11 rotates and the curtain B is lowered, the outer tube 11 carries the first sliding seat 32 Cooperate with the first threaded portion 311 to rotate and move to the second sliding seat 331 on the inner tube 31 along the limiting strip 111.

Please refer to the sixth to eighth figures, and please match the second and third figures, when the first sliding seat 32 is pushed against the second sliding seat 331, the first combination of the first sliding seat 32 The portion 323 is engaged with the third coupling portion 3311 of the second sliding seat 331, and the first sliding seat 32 is blocked by the second sliding seat 331 and will not continue to rotate on the inner tube 31. In more detail, after the first connecting portion 323 of the first sliding seat 32 is engaged with the third connecting portion 3311 of the second sliding seat 331, the first sliding seat 32 will still drive the The second sliding seat 331 rotates. Once the second sliding seat 331 rotates, one end of the buffer elastic member 332 is twisted by the second sliding seat 331, and the other end is still fixed on the fixing portion 312 of the inner tube 31, and the inner tube 31 is The rod 21 is restricted without rotating or moving, and the buffer elastic member 332 thus stores a buffer elastic potential energy to stop the second sliding seat 331 from being rotated, and the first sliding seat 32 is restricted by the second sliding seat 331 Then it stops rotating. Since the first sliding seat 32 no longer rotates, and the limiting strip 111 of the outer tube 11 is restricted by the limiting portion 322 of the first sliding seat 32, the outer tube 11 will not continue to rotate, and the curtain B Therefore, it will not continue to be lowered and can be lowered. With the cushioning elastic member 332, the huge impact force of the curtain fabric B when it sags can be effectively cushioned.

Please refer to the sixth, eighth and ninth figures. After the curtain B is lowered, when the outer tube 11 rotates in the reverse direction to pull up the curtain B, the outer tube 11 carries the first sliding seat 32 Cooperate with the first threaded portion 311 to rotate and move to the third sliding seat 341 on the inner tube 31 along the limiting strip 111. At this time, the first sliding seat 32 will be far away from the second sliding seat 331. Once the first sliding seat 32 is far away from the second sliding seat 331, the buffer elastic member 332 will release the buffer elastic potential energy to make the The second sliding seat 331 is reset.

Please refer to the tenth figure to the twelfth figure, and please match the third figure, the next is the upper limit position, continue to rotate the outer tube 11, when the outer tube 11 carries the first sliding seat 32 to the third slide When the seat 341 rotates, and the first slide seat 32 is pushed against the third slide seat 341, the second coupling portion 324 of the first slide seat 32 will be engaged with the first slide seat 341. With the four connecting portion 3411, the first sliding seat 32 is blocked by the third sliding seat 341 and will not continue to rotate on the inner tube 31. In more detail, after the second connecting portion 324 of the first sliding seat 32 is engaged with the fourth connecting portion 3411 of the third sliding seat 341, the fixing member 342 presses the second connecting portion 3411 of the inner tube 31 A threaded portion 311 stops the third sliding seat 341 from being rotated, and the first sliding seat 32 also stops rotating after being restricted by the third sliding seat 341. Since the first sliding seat 32 no longer rotates, and the limiting strip 111 of the outer tube 11 is restricted by the limiting portion 322 of the first sliding seat 32, the outer tube 11 will not continue to rotate, and the curtain B Therefore, it will not continue to be pulled up but can be capped.

Please refer to Figure 13 and Figure 14 to adjust the position of the third sliding seat 341. Assuming that the original position of the third sliding seat 341 is just enough to allow the curtain B to be completely folded, if the curtain B is pulled up when the store is open, but the curtain B is still long enough to shield the oblique sunlight, you can The third sliding seat 341 is moved closer to the second sliding seat 331, and the moving distance may be, for example, that the second threaded portion 321 of the first slide 32 rotates ten times relative to the first threaded portion 311 of the inner tube 31. The lead length of the circumference. At this time, if the curtain B is pulled up, wait until the first sliding seat 32 is pushed against the third sliding seat 341 to stop the outer tube 11 from rotating, so that the curtain B is capped and cannot When it continues to be pulled up, the curtain fabric B that can wrap around the outer tube 11 ten times in length will remain. After determining the length of the curtain B that needs to be retained, the third sliding seat 341 can be used to perform the upper limit of the curtain B, so that the curtain B can be fixed to a certain length without being folded, and there is no need to personally adjust the curtain B each time length.

Based on the description of the above-mentioned embodiments, when we can fully understand the operation, use and effects of this creation, but the above-mentioned embodiments are only the preferred embodiments of this creation, and the implementation of this creation cannot be limited by this. The scope, that is, simple equivalent changes and modifications made according to the scope of the patent application for this creation and the content of the creation description, are all within the scope of this creation.

1: Linkage components 11: Outer tube 111: limit bar 2: fixed components 21: Rod 3: Buffer with upper and lower limit can be set 31: inner tube 311: The first thread 312: Fixed part 32: The first slide 321: second threaded part 322: Limit 323: first joint 324: second joint 33: The first limit seat 331: Second Slide 3311: The third joint 332: Cushioning elastic parts 34: Second limit seat 341: Third Slide 3411: fourth joint 3412: Piercing 342: fixed parts A: Fixed frame B: curtain

[The first picture] is a three-dimensional assembly diagram of the roller blind with upper and lower limits.

[Second Picture] is a cross-sectional view of the roller blind with upper and lower limits.

[The third figure] is the three-dimensional exploded view of the buffer with upper and lower limit.

[Picture 4] is a cross-sectional view of the bumper with upper and lower limits.

[Fifth Figure] is the first cross-sectional action drawing of the roller blind with upper and lower limits, showing the state of the first sliding seat not moving.

[Picture 6] It is the second cross-sectional action diagram of the roller blind with upper and lower limits, showing the state of the first sliding seat pushing against the second sliding seat.

[The seventh figure] is a cross-sectional action figure 3 of the roller blind with upper and lower limits, showing the state of the cushioning elastic member when the first sliding seat is not moving.

[The eighth figure] is a cross-sectional action figure 4 of the roller blind with upper and lower limit positions, showing the state of the buffer elastic member when the first sliding seat is pushed against the second sliding seat.

[Figure 9] is a schematic diagram of the first implementation of the roller blind with upper and lower limits, indicating that the curtain is at the lower limit.

[Figure 10] is a cross-sectional action drawing 5 of the roller blind with upper and lower limits, showing the state of the first sliding seat pushing against the third sliding seat.

[The eleventh figure] is a cross-sectional action figure 6 of the roller blind with upper and lower limits, showing that when the first sliding seat is pushed against the third sliding seat, the second joint part and the fourth joint part are engaged with each other.

[Figure 12] is the second schematic diagram of the implementation of the roller blind with upper and lower limits, indicating that the curtain is at the upper limit.

[The thirteenth picture] is a cross-sectional action figure 7 of the roller blind with upper and lower limits, showing the state of the first sliding seat pushing against the third sliding seat at different positions.

[Figure 14] is the third schematic diagram of the implementation of the roller blind with upper and lower limits, indicating that the curtains are located at the upper limits of different heights.

21: Rod

31: inner tube

311: The first thread

312: Fixed part

32: The first slide

321: second threaded part

322: Limit

323: first joint

324: second joint

33: The first limit seat

331: Second Slide

3311: The third joint

332: Cushioning elastic parts

34: Second limit seat

341: Third Slide

3411: fourth joint

3412: Piercing

342: fixed parts

Claims (10)

A buffer with upper and lower limits is used to limit the lifting of a curtain driven by a linkage assembly. The buffer with upper and lower limits includes: An inner tube arranged in the linkage assembly; A first sliding seat arranged on the inner tube and combined with the linkage assembly, the first sliding seat being driven by the linkage assembly to rotate and move on the inner tube; A first limiting seat arranged on the inner tube and adjacent to one side of the first sliding seat; and A second limiting seat arranged on the inner tube and adjacent to the other side of the first sliding seat; When the curtain is driven by the linkage assembly to sag, the linkage assembly drives the first sliding seat to rotate on the inner tube toward the first limit seat, and when the first sliding seat is pushed against the first limit seat When seated, the first limit seat enables the first sliding seat to drive the linkage assembly to stop the curtain fabric; When the curtain is pulled up by the linkage assembly, the linkage assembly drives the first sliding seat to rotate on the inner tube toward the second limit seat. When the first sliding seat is pushed against the second limit seat When seated, the second limit seat enables the first sliding seat to drive the linkage assembly to stop pulling up the curtain. For example, the buffer with upper and lower limit positions can be set in claim 1, further, the first limit seat includes a second sliding seat and a cushioning elastic member, the cushioning elastic member is arranged between the inner tube and the second sliding seat; When the first sliding seat is pushed against the second sliding seat, the buffer elastic member stores a buffering elastic potential energy to stop the second sliding seat from rotating; when the first sliding seat is far away from the second sliding seat , The buffer elastic member releases the buffer elastic potential energy to reset the second sliding seat. For example, the buffer with upper and lower limit positions can be set in claim 1, further, the inner tube has a first threaded portion, the first sliding seat has a second threaded portion engaged with the first threaded portion of the inner tube; the linkage assembly The first sliding seat is driven to rotate and move toward the first limit seat or the second limit seat in cooperation with the first threaded portion on the inner tube. For example, the buffer with upper and lower limit can be set in claim 3, and further, the second limit seat includes a third sliding seat and a fixing member, and the fixing member is arranged on the third sliding seat and abuts against the inner tube When the first sliding seat is pushed against the third sliding seat, the fixing member presses the first threaded part to stop the third sliding seat from being rotated. For example, the upper and lower limit buffers can be set in claim 1, and further, the first sliding seat has a first joint portion on one side, and a second joint portion on the other side, and the first limit seat has a third joint portion , The second limiting seat has a fourth joining portion; when the first sliding seat is pushed against the first limiting seat, the first joining portion of the first sliding seat is combined with the first limiting seat The third connecting portion; when the first sliding seat is pushed against the second limiting seat, the second connecting portion of the first sliding seat is combined with the fourth connecting portion of the second limiting seat. A roller blind with upper and lower limits, used to limit a curtain. The roller blind with upper and lower limits includes: A linkage assembly includes an outer tube connected to the curtain, and the curtain is driven by the outer tube to move up and down; An inner tube arranged in the outer tube; A first sliding seat arranged on the inner tube and combined with the outer tube, the first sliding seat being driven by the outer tube to rotate and move on the inner tube; A first limiting seat arranged on the inner tube and adjacent to one side of the first sliding seat; and A second limiting seat arranged on the inner tube and adjacent to the other side of the first sliding seat; When the curtain is driven by the linkage assembly to sag down, the outer tube drives the first sliding seat to rotate on the inner tube toward the first limit seat, and the first sliding seat pushes against the first limit position After seating, the first sliding seat drives the outer tube to stop the linkage assembly from dropping the curtain; When the curtain is pulled up by the linkage assembly, the outer tube drives the first sliding seat to rotate on the inner tube toward the second limit seat, and the first sliding seat pushes against the second limit position After seating, the first sliding seat drives the outer tube to stop the linkage assembly from pulling up the curtain. For example, the roller blind with upper and lower limits in claim 6, further, the first limit seat includes a second sliding seat and a cushioning elastic member, and the cushioning elastic member is arranged between the inner tube and the second sliding seat; When the first sliding seat is pushed against the second sliding seat, the buffer elastic member stores a buffering elastic potential energy to stop the second sliding seat from rotating; when the first sliding seat is far away from the second sliding seat , The buffer elastic member releases the buffer elastic potential energy to reset the second sliding seat. For example, the roller blind with upper and lower limits can be set in claim 6, further, the outer tube has a limit bar, the inner tube has a first threaded part, the first sliding seat has a limit part corresponding to the limit bar, and a The second threaded part is engaged with the first threaded part of the inner tube; when the outer tube rotates, the outer tube drives the first sliding seat to cooperate with the first threaded part to rotate on the inner tube along the limit bar mobile. For example, the roller blind with upper and lower limit positions can be set in claim 8, and further, the second limit seat includes a third sliding seat and a fixing piece, and the fixing piece is arranged on the third sliding seat and abuts against the inner tube When the first sliding seat is pushed against the third sliding seat, the fixing member presses the first threaded part to stop the third sliding seat from being rotated. For example, the roller blind with upper and lower limits can be set in claim 6, further, one side of the first sliding seat has a first joint part, and the other side has a second joint part, and the first limit seat has a third joint part, The second limiting seat has a fourth joining portion; when the first sliding seat is pushed against the first limiting seat, the first joining portion of the first sliding seat is combined with the first connecting portion of the first limiting seat Three joining parts; when the first sliding seat is pushed against the second limiting seat, the second joining part of the first sliding seat is combined with the fourth joining part of the second limiting seat.

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