CN218644201U - Rolling curtain - Google Patents

Abstract

The utility model discloses a roller shutter, roller shutter includes frame, drive assembly, roller shutter subassembly and tensioning assembly, drive assembly includes interconnect's actuating mechanism and wiring mechanism, roller shutter subassembly includes the curtain body, goes up reel, lower scroll and serving, go up the reel with the lower scroll respectively with the upper and lower both ends fixed connection of curtain body, the last reel passes through the wiring with wiring mechanism connects, tensioning assembly includes first fixed axle and first elastic component, first elastic component convolute in on the first fixed axle, the one end of first elastic component with first fixed axle is connected, the other end with the lower scroll is connected, drive mechanism can pass through the curtain body drives the lower scroll is rotatory. Adopt the utility model discloses, prevent wind the ability reinforce, can effectively avoid by the air current disturbance, simple structure moreover, convenient to use.

Description

Rolling curtain

Technical Field

The utility model relates to a roll up curtain technical field, especially relate to a roll up curtain.

Background

The roller shutter is often used for changing the light transmission of a window, the existing roller shutter is usually provided with a driving mechanism and a shutter body, and the shutter body is driven by the driving mechanism to lift so as to shield the window. However, the existing roller shutter does not have a windproof function, and when strong air disturbance occurs, the shutter body can shake greatly, so that the shielding of a window is affected. Under the condition, the rolling curtain structure is improved by related manufacturers, and the limiting structures are arranged on the side frames at the two sides of the rolling curtain, so that the two sides of the curtain body are buckled into the limiting structures, the limiting of the curtain body is completed, the curtain body is not easily disturbed, but the structure easily abrades the curtain body, and the side frames can leave gaps, so that the rolling curtain structure is not attractive enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a roll up curtain is provided, prevent wind the ability reinforce, can effectively avoid by the air current disturbance, simple structure moreover, convenient to use.

In order to solve the technical problem, the utility model provides a roll up curtain, including frame, drive assembly, roll up curtain subassembly and tensioning assembly, the frame includes cell body, lower parting bead and side frame, drive assembly locates go up in the cell body, drive assembly includes interconnect's actuating mechanism and wiring mechanism, roll up the curtain subassembly and include the curtain body, go up spool, lower roll and serving as go-between, go up the spool with the lower roll respectively with the upper and lower both ends fixed connection of the curtain body, the last spool passes through the wiring with wiring mechanism connects.

The tensioning assembly comprises a first fixing shaft and a first elastic piece, the first fixing shaft is arranged at one end of the lower scroll, the first fixing shaft is fixed on the side frame, the first elastic piece is wound on the first fixing shaft, one end of the first elastic piece is connected with the first fixing shaft, the other end of the first elastic piece is connected with the lower scroll, and the driving mechanism can drive the lower scroll to rotate through the curtain body.

As an improvement of the above scheme, the tensioning assembly further comprises a first side rotating shaft plug, the first side rotating shaft plug is arranged in the lower reel, the first side rotating shaft plug can rotate along with the lower reel, and the first fixed shaft is coaxially and slidably connected with the first side rotating shaft plug.

As an improvement of the above scheme, the tensioning assembly further comprises a second side rotating shaft plug and a second fixing shaft, the second side rotating shaft plug and the second fixing shaft are arranged at one end, opposite to the first side rotating shaft plug, of the lower winding shaft, the second side rotating shaft plug is arranged in the lower winding shaft, the second side rotating shaft plug can follow the lower winding shaft to rotate, one end of the second fixing shaft is coaxially and slidably connected with the second side rotating shaft plug, and the other end of the second fixing shaft is fixed in the side frame.

As an improvement of the above scheme, a spacer is sleeved in the second fixing shaft, a second elastic member is arranged between the spacer and the second side rotating shaft plug, and the second elastic member is wound on the second fixing shaft.

As an improvement of the above scheme, the tensioning assembly further comprises a middle rotating shaft plug, the middle rotating shaft plug is arranged at the middle of the lower reel, the middle rotating shaft plug can follow the lower reel to rotate, a first fixing hole is formed in the middle rotating shaft plug, a second fixing hole is formed in the side portion of the first fixing shaft, one end of the first elastic piece can be inserted into the first fixing hole, and the other end of the first elastic piece can be inserted into the second fixing hole.

As an improvement of the above scheme, the driving mechanism includes a driving member, the driving assembly further includes a transmission mechanism, the transmission mechanism includes a transmission member, a first gear and a second gear, the driving member is coaxially connected with the transmission member, the transmission member is coaxially connected with the first gear, and the first gear and the second gear are engaged with each other.

As an improvement of the above scheme, the rope winding mechanism includes a rope winding shaft, the rope winding shaft is coaxially connected with the second gear, a rope winding groove is formed in the rope winding shaft, the rope winding groove is in a threaded shape, and the rope can be wound on the rope winding shaft when the rope winding shaft rotates.

As an improvement of the above scheme, the rope winding mechanism further comprises a rope guide seat and a rope guide roller, wherein a mounting hole is formed in one end of the rope guide seat, threads are formed in the inner wall of the mounting hole, the mounting hole can be sleeved outside the rope winding shaft and is in threaded fit with the rope winding shaft, the rope guide roller is connected to the other end of the rope guide seat in a rolling mode, and the rope can penetrate through the bottom of the rope guide roller and is wound on the rope winding shaft.

As an improvement of the above scheme, a mounting groove is arranged in the rope guiding seat, the mounting groove is arranged obliquely, the rope guiding roller is rotatably connected to the inner side wall of the mounting groove, and the rope guiding roller is inclined towards one side of the rope winding shaft.

As an improvement of the above scheme, the rope winding mechanism further comprises a wheel seat, the wheel seat is arranged at two ends of the upper groove body, an arc wheel is arranged in the wheel seat, an inward concave arc groove is formed in the middle of the arc wheel, and the rope winding can sequentially penetrate through the upper portion of the arc groove and the bottom of the rope guide roller and is wound on the rope winding shaft.

Implement the utility model discloses, following beneficial effect has:

the utility model discloses roll up curtain is equipped with drive assembly, roll up curtain subassembly and tensioning assembly, drive assembly includes interconnect's actuating mechanism and wiring mechanism, it includes the curtain body, goes up reel, lower scroll and serving, the upper scroll passes through the serving with wiring mechanism connects, actuating mechanism can drive the wiring is right the upper scroll is raised or is descended, thereby drives the curtain body raises or descends. In order to improve the wind-proof capacity, the tensioning assembly comprises a first fixing shaft and a first elastic piece, the first elastic piece is wound on the first fixing shaft, one end of the first elastic piece is connected with the first fixing shaft, the other end of the first elastic piece is connected with the lower winding shaft, the driving mechanism can drive the lower winding shaft to rotate through the curtain body, when the curtain is in normal use, the first elastic piece can be tensioned, so that tension is formed on the curtain body, the driving mechanism and the first elastic piece can tension the two ends of the curtain body, the wind-proof capacity of the curtain body is improved, and the wind-proof capacity of the curtain body can be effectively avoided being disturbed by air flow. The utility model discloses roll up the curtain and use first elastic component can realize right the tensioning of curtain body consequently still has simple structure, convenient to use's advantage.

Drawings

Fig. 1 is a schematic view of the split structure of the rolling shutter of the present invention;

FIG. 2 is a schematic structural view of the upper tank body of the present invention;

figure 3 is a schematic structural view of the tension assembly of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3;

FIG. 5 is an enlarged view of B in FIG. 3;

FIG. 6 is an enlarged view of C in FIG. 3;

FIG. 7 is a schematic view of the drive assembly and the roller shade assembly of the present invention;

FIG. 8 is an enlarged view of D in FIG. 7;

fig. 9 is an enlarged view of E in fig. 7.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings. Only this statement, the utility model discloses the upper and lower, left and right, preceding, back, inside and outside etc. position words that appear or will appear in the text only use the utility model discloses an attached drawing is the benchmark, and it is not right the utility model discloses a concrete restriction.

Referring to fig. 1 and 2, an embodiment of the present invention discloses a rolling blind, the rolling blind includes a frame 1, a driving assembly 2, a rolling blind assembly 3 and a tensioning assembly 4, the frame 1 includes an upper tank 11, a lower partition 12 and a side frame 13, the upper tank 11 and the lower partition 12 are respectively located above and below the rolling blind assembly 3, the side frame 13 is located on the left and right sides of the rolling blind assembly 3, the driving assembly 2 is located in the upper tank 11, the driving assembly 2 includes a driving mechanism 21 and a rope winding mechanism 22 which are connected to each other, the driving mechanism 21 is used for driving the curtain 31, the rope winding mechanism 22 is used for accommodating a rolling rope 34, the rolling blind assembly 3 includes a curtain 31, an upper scroll 32, a lower scroll 33 and a rolling rope 34, the upper scroll 32 and the lower scroll 33 are respectively fixedly connected to the upper and lower ends of the curtain 31, the upper scroll 32 is connected to the rope winding mechanism 22 through the rolling rope 34, and the rope winding rope 34 is connected to the driving mechanism 21.

In order to improve the wind resistance of the curtain body 31, the tensioning assembly 4 includes a first fixed shaft 41 and a first elastic member 42, the first fixed shaft 41 is disposed at one end of the lower roller 33, the first fixed shaft 41 is fixed to the side frame 13, the lower roller 33 is rotatable relative to the first fixed shaft 41, the first elastic member 42 is wound around the first fixed shaft 41, one end of the first elastic member 42 is connected to the first fixed shaft 41, the other end is connected to the lower roller 33, and the driving mechanism 21 can drive the lower roller 33 to rotate through the curtain body 31. In a normal state, the first elastic member 42 generates a downward pulling force on the curtain body 31 to generate a tightening effect on the curtain body 31, and when the driving mechanism 21 drives the curtain body 31 to ascend to shield a window, the lower roller 33 rotates relative to the first fixed shaft 41, and the pulling force of the first elastic member 42 is increased, so that the tightening degree of the curtain body 31 is increased to resist the interference of an air flow, and the wind-proof capability is strong. The first elastic member 42 is preferably a spring, and may be other elastic members such as a coil spring.

The embodiment of the utility model provides a beneficial effect as follows:

the embodiment of the utility model provides a roll up curtain and be equipped with drive assembly 2, roll up curtain subassembly 3 and tensioning assembly 4, drive assembly 2 includes interconnect's actuating mechanism 21 and wiring mechanism 22, roll up curtain subassembly 3 includes curtain 31, upper scroll 32, lower scroll 33 and serving 34, upper scroll 32 passes through serving 34 with wiring mechanism 22 connects, actuating mechanism 21 can drive serving 34 is right upper scroll 32 raises or descends, thereby drives curtain 31 raises or descends. In order to improve the wind-proof capability, the tensioning assembly 4 includes a first fixed shaft 41 and a first elastic member 42, the first elastic member 42 is wound on the first fixed shaft 41, one end of the first elastic member 42 is connected to the first fixed shaft 41, the other end is connected to the lower roller 33, the driving mechanism 21 can drive the lower roller 33 to rotate through the curtain body 31, during normal use, the first elastic member 42 is tensioned to form a pulling force on the curtain body 31, and the driving mechanism 21 and the first elastic member 42 can tension two ends of the curtain body 31, so that the wind-proof capability of the curtain body 31 is improved, and disturbance caused by airflow can be effectively avoided. The utility model discloses roll up the curtain and use first elastic component 42 can realize right the tensioning of curtain body 31 consequently still has simple structure, convenient to use's advantage.

Referring to fig. 3 to 6, in order to fix the lower roller 33, the tensioning assembly 4 further includes a first side rotating shaft plug 43, the first side rotating shaft plug 43 is disposed in the lower roller 33, and the first side rotating shaft plug 43 is used for fixing the lower roller 33 to rotate around the first fixing shaft 41, so as to ensure that the curtain body 31 can be smoothly retracted. The first side rotating shaft plug 43 can rotate along with the lower reel 33, the first fixed shaft 41 is coaxially and slidably connected with the first side rotating shaft plug 43, and when the lower reel 33 rotates, the first side rotating shaft plug 43 can be driven to rotate relative to the first fixed shaft 41. Tensioning set 4 still includes second side pivot stopper 44 and second fixed axle 45, second side pivot stopper 44 and second fixed axle 45 locate in lower spool 33 with first side pivot stopper 43 opposite end, second side pivot stopper 44 is located in lower spool 33, second side pivot stopper 44 with first side pivot stopper 43 is fixed in simultaneously the both ends of lower spool 33, second side pivot stopper 44 can follow lower spool 33 rotates, can guarantee the stationarity of lower spool 33 when rotatory, the one end of second fixed axle 45 with the coaxial sliding connection of second side pivot stopper 44, the other end is fixed in the side frame 13, make lower spool 33 can round first fixed axle 41 and second fixed axle 45 rotate. In order to further improve the rotating stability of the lower roller 33, a gasket 46 is sleeved in the second fixed shaft 45, the gasket 46 can indirectly increase the longitudinal contact area of the second fixed shaft 45, a second elastic member 47 is arranged between the gasket 46 and the second side rotating shaft plug 44, the second elastic member 47 is wound on the second fixed shaft 45, the second elastic member 47 can generate a reset acting force on the gasket 46 and the second side rotating shaft plug 44, and the lower roller 33 can be prevented from being displaced after rotating, so that the curtain body 31 can be normally folded and unfolded. The second elastic element 47 is preferably a spring, and may be another elastic element such as a coil spring.

In addition, the tensioning assembly 4 further includes a middle rotating shaft plug 48, the middle rotating shaft plug 48 is disposed in the middle of the lower winding shaft 33, the middle rotating shaft plug 48 can rotate along with the lower winding shaft 33, the middle rotating shaft plug 48 can be matched with the first fixed shaft 41, so that the first elastic member 42 generates a resilient force, a first fixed hole 481 is disposed in the middle rotating shaft plug 48, a second fixed hole 411 is disposed at a side portion of the first fixed shaft 41, one end of the first elastic member 42 can be inserted into the first fixed hole 481, and the other end of the first elastic member can be inserted into the second fixed hole 411. When the lower winding shaft 33 rotates, the middle rotating shaft plug 48 is driven to rotate, and the first fixed shaft 41 is stationary, so that one end of the first elastic member 42 rotates relative to the other end, and the first elastic member 42 generates resilient force to restore its original shape.

Referring to fig. 7 to 9, in order to implement retraction of the curtain body 31, the driving mechanism 21 includes a driving element 211, the driving assembly 2 further includes a transmission mechanism 23 and a stroke control mechanism 24, the transmission mechanism 23 and the stroke control mechanism 24 are respectively disposed at two ends of the upper chute body 11, and the stroke control mechanism 24 is configured to control the number of winding turns of the winding rope 34 so as to control the up-down movement amplitude of the curtain body 31. The transmission mechanism 23 includes a transmission member 231, a first gear 232 and a second gear 233, the driving member 211 is coaxially connected to the transmission member 231, the transmission member 231 is coaxially connected to the stroke control mechanism 24, and the stroke control mechanism 24 can lock the transmission member 231, so as to control the winding and unwinding length of the winding rope 34. The movable end of the driving part 211 can drive the driving part 231 to rotate synchronously, the driving part 231 is coaxially connected with the first gear 232, the first gear 232 is meshed with the second gear 233, and the driving part 211 can drive the second gear 233 to rotate under the driving action of the first gear 232 and the second gear 233. The rope winding mechanism 22 comprises a rope winding shaft 222, the rope winding shaft 222 is coaxially connected with the second gear 233, so that when the driving piece 211 rotates, the driving piece 211 can drive the rope winding shaft 222 to rotate, a rope winding groove 2221 is formed in the rope winding shaft 222, the rope winding groove 2221 is in a thread shape, when the curtain body 31 is unfolded, the driving piece 211 can drive the rope winding shaft 222 to rotate, when the rope winding shaft 222 rotates, the rope winding shaft 34 can be wound on the rope winding shaft 222 through the rope winding groove 2221, and therefore the effect of storing the rope winding 34 is achieved, the rope winding 34 is prevented from being entangled in the upper groove body 11, and the normal storage and release of the curtain body 31 are affected.

Further, the rope winding mechanism 22 further includes a rope guide 223 and a rope guide roller 224, one end of the rope guide 223 is provided with an installation hole 2231, the inner wall of the installation hole 2231 is provided with a thread, the installation hole 2231 can be sleeved outside the rope winding shaft 222 and is in threaded fit with the rope winding shaft 222, when the rope winding shaft 222 is hidden from rotating, due to the pushing of the thread, the rope guide 223 can move left and right on the rope winding shaft 222, and meanwhile, the rope winding 34 can be wound or released in the rope winding groove 2221, so that the rope winding 34 is straightened. The cord guide roller 224 is connected to the other end of the cord guide base 223 in a rolling manner, the cord 34 can be wound around the cord winding shaft 222 through the bottom of the cord guide roller 224, and the cord guide roller 224 can further smooth the cord 34, so that the cord 34 can be wound around the cord winding shaft 222 in a uniform manner. In order to prevent the rope reel 34 from being wound off-center, a mounting groove 2232 is formed in the rope guide 223, the mounting groove 2232 is disposed in an inclined manner, the rope guide roller 224 is rotatably connected to an inner side wall of the mounting groove 2232, the rope guide roller 224 is inclined toward one side of the rope reel 222, and after the rope reel is disposed in an inclined manner, the rope reel 34 can be gradually wound on the rope reel 222 from one side of the rope reel 222, so that a good rope reel 34 effect can be obtained, and the rope reel 34 can be prevented from being entangled.

In addition, the rope winding mechanism 22 further includes a wheel seat 225, the wheel seat 225 is disposed at two ends of the upper groove 11, an arc wheel 2251 is disposed in the wheel seat 225, an inward-concave arc groove 2252 is disposed in the middle of the arc wheel 2251, due to the gravity, the rope winding 34 can abut against the arc groove 2252, the rope winding 34 can sequentially pass through the upper portion of the arc groove 2252 and the bottom of the rope guiding roller 224 and is wound on the rope winding shaft 222, the wheel seat 225 can realize the steering of the rope winding 34, the rope winding 34 can be prevented from directly contacting the upper groove, and the rope winding 34 is prevented from being damaged or being unsmooth in winding and unwinding.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims (10)

1. A roller shutter is characterized by comprising a frame, a driving assembly, a shutter assembly and a tensioning assembly, wherein the frame comprises an upper groove body, a lower partition strip and a side frame, the driving assembly is arranged in the upper groove body and comprises a driving mechanism and a rope winding mechanism which are connected with each other, the shutter assembly comprises a shutter body, an upper scroll, a lower scroll and a winding rope, the upper scroll and the lower scroll are respectively and fixedly connected with the upper end and the lower end of the shutter body, and the upper scroll is connected with the rope winding mechanism through the winding rope;

the tensioning assembly comprises a first fixing shaft and a first elastic piece, the first fixing shaft is arranged at one end of the lower scroll, the first fixing shaft is fixed on the side frame, the first elastic piece is wound on the first fixing shaft, one end of the first elastic piece is connected with the first fixing shaft, the other end of the first elastic piece is connected with the lower scroll, and the driving mechanism can drive the lower scroll to rotate through the curtain body.

2. The blind of claim 1 wherein said tensioning assembly further comprises a first side spindle plug, said first side spindle plug being disposed in said lower roller, said first side spindle plug being capable of rotating with said lower roller, said first stationary shaft being in coaxial sliding connection with said first side spindle plug.

3. The blind of claim 1 wherein the tensioning assembly further comprises a second side shaft plug and a second fixed shaft, the second side shaft plug and the second fixed shaft being disposed at an end of the lower roller shaft opposite to the first side shaft plug, the second side shaft plug being disposed in the lower roller shaft, the second side shaft plug being capable of rotating with the lower roller shaft, one end of the second fixed shaft being coaxially slidably connected to the second side shaft plug, and the other end of the second fixed shaft being fixed in the side frame.

4. The rolling shutter as claimed in claim 3, wherein a spacer is sleeved in the second fixing shaft, and a second elastic member is disposed between the spacer and the second side shaft plug and wound around the second fixing shaft.

5. The rolling shutter according to claim 1, wherein the tension assembly further comprises a middle shaft plug, the middle shaft plug is disposed in the middle of the lower winding shaft and can rotate along with the lower winding shaft, a first fixing hole is disposed in the middle shaft plug, a second fixing hole is disposed at a side portion of the first fixing shaft, one end of the first elastic member can be inserted into the first fixing hole, and the other end of the first elastic member can be inserted into the second fixing hole.

6. The roller shutter according to claim 1, wherein the driving mechanism includes a driving member, the driving assembly further includes a transmission mechanism and a stroke control mechanism, the transmission mechanism and the stroke control mechanism are respectively disposed at two ends of the upper slot body, the transmission mechanism includes a transmission member, a first gear and a second gear, the driving member is coaxially connected with the transmission member, the transmission member is coaxially connected with the stroke control mechanism, the transmission member is coaxially connected with the first gear, and the first gear and the second gear are engaged with each other.

7. The blind of claim 6 wherein said cord winding mechanism includes a cord winding shaft coaxially connected to said second gear, said cord winding shaft having a cord winding groove, said cord winding groove being threaded such that said cord winding shaft can wind said cord when said cord winding shaft is rotated.

8. The rolling shutter as claimed in claim 7, wherein the rope winding mechanism further comprises a rope guide and a rope guide roller, one end of the rope guide is provided with a mounting hole, the inner wall of the mounting hole is provided with a thread, the mounting hole can be sleeved outside the rope winding shaft and is in threaded fit with the rope winding shaft, the rope guide roller is connected to the other end of the rope guide in a rolling manner, and the rope can pass through the bottom of the rope guide roller and is wound on the rope winding shaft.

9. The blind of claim 8 wherein a mounting groove is formed in the cord holder, the mounting groove is formed obliquely, the cord guiding roller is rotatably coupled to an inner sidewall of the mounting groove, and the cord guiding roller is inclined toward a side of the cord winding shaft.

10. The roller shutter as claimed in claim 8, wherein the rope winding mechanism further comprises wheel seats, the wheel seats are arranged at two ends of the upper groove body, arc wheels are arranged in the wheel seats, an inward-concave arc-shaped groove is formed in the middle of each arc wheel, and the rope can sequentially penetrate through the upper portions of the arc-shaped grooves and the bottoms of the rope guiding rollers and is wound on the rope winding shaft.

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