Head and roller shutter using same

Abstract

The utility model provides a manufactured head and a roller shutter using the manufactured head. The manufactured head comprises a first sleeve, a supporting cylinder, a pre-tightening piece and an inserting rod. The first sleeve rotationally sleeves the outer side of the supporting cylinder, and the two ends of the supporting cylinder extend out of the ends of the supporting cylinder; the pre-tightening piece is rotationally inserted into the supporting cylinder, and the pre-tightening piece and the supporting cylinder are in one-way rotating fit; the pre-tightening piece is provided with a guide hole in the axis direction, the inserting rod is installed at the guide hole in a sliding and clamping mode, and a spring is installed in the guide hole and provides outward pushing elastic force for the inserting rod. The one-way rotating locking device is novel in structure, has a one-way rotating locking function, can perform one-way rotating pre-tightening adjustment on the elastic assembly, can perform rotating adjustment operation when being assembled on a wall body mounting code, performs secondary adjustment on the spring assembly, and meets the required elastic force requirement; and the brake head can be conveniently detached from the installation code, adjustment can be conveniently conducted after detachment, adjustment can be conducted in a more appropriate mode according to the actual installation environment, and the good experience and use feeling is provided.

Description

Technical Field

[0001] The utility model relates to the field of rolling blinds, and more specifically to a head making device and a rolling blind using the head making device. Background Art

[0002] Roller blinds are a relatively simple curtain structure that is common at present. They are easy to install and easy to roll up and use, so they have been widely promoted and applied. They mainly rely on spring components to provide power, and the control head is an intermediate structure that connects the spring component with the external mounting code. However, most of the current control heads only play a supporting and limiting role. The control head does not have the function of pre-tightening the spring component. It is necessary to use a screwdriver to adjust it after assembly and before installation on the wall so that the spring component can meet the required elastic force. After installation on the wall, the spring component cannot be directly adjusted for a second time in this state. It needs to be disassembled for adjustment, and its disassembly and assembly are more troublesome. Therefore, the overall user experience is poor and needs to be improved. Utility Model Content

[0003] In order to overcome the defects of the prior art, the technical problem to be solved by the utility model is to propose a head and a roller shutter using the head, which has a novel structure and has the function of one-way rotation locking, and can perform one-way rotation pre-tightening adjustment on the elastic component. It can also be assembled on the wall mounting code and perform rotation adjustment operation, and perform secondary adjustment on the spring component to meet the required elastic force requirements; and the head can be easily removed from the mounting code, which is convenient for adjustment after removal. A more suitable method can be selected for adjustment according to the actual installation environment, providing a better experience of use.

[0004] To achieve this purpose, the utility model adopts the following technical solutions:

[0005] The utility model provides a head making device, comprising a first sleeve, a supporting sleeve, a pre-tightening member, and an insert rod; the first sleeve is rotatably sleeved on the outer side of the supporting sleeve, and both ends of the supporting sleeve extend out of the end of the supporting sleeve; the pre-tightening member is rotatably inserted in the interior of the supporting sleeve, and the pre-tightening member and the supporting sleeve form a one-way rotation fit; the pre-tightening member is provided with a guide hole along the axial direction, and the insert rod is slidably clamped and installed in the guide hole, and a spring is installed in the guide hole to provide elastic force for the insert rod to push outward.

[0006] In a preferred technical solution of the utility model, at least one elastic clip is provided at the end of the preload member, serving as a ratchet; a recess is correspondingly provided on the end surface of the support tube, and a plurality of clips are correspondingly provided on the groove wall, and the plurality of clips are distributed in a circular array around the axis of the support tube, serving as a ratchet; a one-way rotation fit is formed between the preload member and the support tube through the elastic clip and the clips.

[0007] In a preferred technical solution of the utility model, the preload member includes an insert strip, and an elastic clip strip is fixedly arranged on the end side wall of the insert strip; the diameter of the insert strip is adapted to the inner diameter of the support tube, a boss is fixedly arranged at the end center of the insert strip, the diameter of the boss is smaller than the diameter of the insert strip, a first circular hole is correspondingly arranged at the end of the support tube, the diameter of the first circular hole is adapted to the diameter of the boss, and a threaded hole is arranged at the center of the boss for installing a screw; the insert strip is rotatably installed at the support tube by means of a screw, and the elastic clip strip is located inside the sink groove to maintain a one-way rotation fit.

[0008] In a preferred technical solution of the utility model, a guide groove is provided on the outer wall of the insertion rod, and the guide groove extends to the end face of the insertion rod away from the spring; a through hole is provided on the side wall of one end of the insertion strip close to the elastic clamping strip, and the through hole is connected with the guide hole and corresponds to the position of the guide groove. A card bead is provided at the through hole, and the bottom of the guide groove is an arc-shaped structure, which is adapted to the card bead. The insertion rod moves along the guide hole and is prevented from falling off by the card bead.

[0009] In a preferred technical solution of the utility model, the insertion rod is a prismatic strip structure, the shape of the guide hole is adapted to the shape of the insertion rod; and the guide groove is arranged on a straight side surface of the insertion rod.

[0010] In a preferred technical solution of the utility model, a support ring is fixedly provided on the outer wall of one end of the support tube close to the sink, and the outer diameter of the support ring is larger than the inner diameter of the first sleeve; an annular groove is provided on the wall surface of the support ring close to the first sleeve, and the position of a retaining ring corresponding to the end face of the first sleeve corresponds to the position of the annular groove, and the shapes are adapted.

[0011] In a preferred technical solution of the utility model, a plurality of arc-shaped protrusions are provided on the outer wall of the support ring, and the plurality of arc-shaped protrusions are distributed in a circular array around the axis of the support ring.

[0012] In a preferred technical solution of the utility model, a slot extending along the radial direction of the support ring is provided at the arc-shaped protrusion.

[0013] The utility model also provides a rolling blind, comprising the above-mentioned head.

[0014] The beneficial effects of the utility model are:

[0015] The utility model provides a head and a rolling shutter using the head, the head comprising a first sleeve, a support sleeve, a pre-tightening member, and an insertion rod; the first sleeve is rotatably sleeved on the outer side of the support sleeve, the pre-tightening member is rotatably inserted in the inner side of the support sleeve, and the pre-tightening member and the support sleeve form a one-way rotation fit; the elastic component can be pre-tightened by one-way rotation, and the elastic component can also be rotated and adjusted when assembled on a wall mounting code, and the spring component can be adjusted twice to meet the required elastic force requirements;

[0016] The preload member is provided with a guide hole along the axial direction, and the insertion rod sliding card is installed in the guide hole. A spring is installed in the guide hole to provide elastic force for the insertion rod to push outward. The insertion rod has a telescopic adjustment function and can be conveniently installed and coordinated with the mounting code, which means that it can be easily disassembled from the mounting code and adjusted after disassembly. A more appropriate method can be selected for adjustment according to the actual installation environment to provide a better experience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of a head provided in a specific embodiment of the utility model;

[0018] Figure 2 It is a schematic diagram of a three-dimensional unfolding structure of a head provided in a specific embodiment of the utility model;

[0019] Figure 3 It is a cross-sectional view of a head provided in a specific embodiment of the utility model;

[0020] Figure 4 It is a three-dimensional structural schematic diagram of a pre-tightening member provided in a specific embodiment of the utility model;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the support tube provided in a specific embodiment of the utility model from a first viewing angle;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the support tube provided in a specific embodiment of the utility model from a second viewing angle;

[0023] Figure 7 It is a schematic diagram of the three-dimensional structure of the first sleeve provided in a specific embodiment of the utility model.

[0024] In the figure:

[0025] 600, head; 610, first sleeve; 611, first clamping plate; 612, clamping ring;

[0026] 620, support tube; 621, second sleeve; 622, countersunk groove; 623, latching teeth; 624, support ring; 625, annular groove; 626, arc-shaped protrusion; 627, slot; 630, preload member; 631, elastic clip strip; 632, insert strip; 633, boss; 634, guide hole; 635, through hole; 640, first bearing; 650, insert rod; 651, guide groove; 660, spring; 670, bead; 680, second bearing. DETAILED DESCRIPTION

[0027] The technical solution of the utility model is further explained below with reference to the accompanying drawings and through specific implementation methods.

[0028] like Figures 1 to 4 As shown, a specific embodiment of the utility model discloses a head control device, including a first sleeve 610, a support sleeve 620, a pre-tightening member 630, and an insertion rod 650; the first sleeve 610 is rotatably sleeved on the outer side of the support sleeve 620, and both ends of the support sleeve extend out of the end of the support sleeve; the pre-tightening member 630 is rotatably inserted into the interior of the support sleeve 620, and the pre-tightening member 630 and the support sleeve 620 form a one-way rotation fit; the pre-tightening member 630 is provided with a guide hole 634 along the axial direction, and the insertion rod 650 is slidably clamped and installed in the guide hole 634, and a spring 660 is installed in the guide hole 634 to provide an elastic force for the insertion rod 650 to push outward.

[0029] The above-mentioned head, preload member and support tube form a one-way rotation fit, which can perform one-way rotation preload adjustment on the elastic component. It can also be assembled on the wall mounting code for rotation adjustment, and the spring component can be adjusted twice to meet the required elastic force requirements;

[0030] In addition, a retractable and adjustable plug rod is installed at the preload part, which can be easily installed with the mounting code, which means that it can be easily removed from the mounting code and adjusted after removal. A more appropriate method can be selected for adjustment according to the actual installation environment, providing a better experience of use.

[0031] Furthermore, if Figure 7 As shown, a plurality of first clamping plates 611 are fixedly provided on the outer wall of the first sleeve 610, and the plurality of first clamping plates 611 are distributed in a circular array around the axis of the first sleeve 610, and a third clamping opening for clamping and cooperating with the rolling curtain rod is formed between two adjacent first clamping plates, so that the first sleeve and the rolling curtain rod can be assembled; a chamfer is provided at the outer circle position of the end of the first clamping plate away from the support ring, which can reduce the outer circle contour of the insertion end of the control head, so as to facilitate the smooth insertion of the control head into the interior of the rolling curtain rod and facilitate installation.

[0032] Furthermore, if Figures 4 to 6 As shown, at least one elastic clip 631 is provided at the end of the preload member 630, serving as a ratchet; a corresponding recessed groove 622 is provided at the end surface of the support tube 620, and a plurality of latch teeth 623 are provided on the groove wall of the recessed groove 622, and the plurality of latch teeth are distributed in a circular array around the axis of the support tube, serving as a ratchet; a one-way rotation fit is formed between the preload member and the support tube through the elastic clip and the latch teeth; a pawl-rattle fit effect is formed between the elastic clip and the latch teeth, so that the preload member can only rotate in one direction, thereby satisfying the required preload adjustment effect.

[0033] Furthermore, the preload member 630 includes an insert strip 632, and an elastic clip strip 631 is fixedly arranged on the end side wall of the insert strip 632; the diameter of the insert strip 632 is adapted to the inner diameter of the support tube 620, and a boss 633 is fixedly arranged at the end center of the insert strip 632, and the diameter of the boss is smaller than the diameter of the insert strip, and a first circular hole is correspondingly arranged at the end of the support tube, and the diameter of the first circular hole is adapted to the diameter of the boss, and a threaded hole is arranged at the center of the boss for installing a screw; the insert strip is rotatably installed at the support tube by means of a screw, and the elastic clip strip is located inside the sink groove to maintain a one-way rotation fit; the boss and the first circular hole are further defined, and a screw installation position is provided, so that the preload member is rotatably installed at the support tube.

[0034] Furthermore, the number of elastic clips 631 is preferably 4, and the 4 elastic clips 631 are distributed in a circular array around the axis of the insertion strip 632. Although the number of elastic clips is increased, the elastic clips can still be squeezed normally during rotation, so that the preload element can rotate normally; in addition, multiple points of engagement can be formed between multiple elastic clips and the teeth to enhance the directional locking force and effectively prevent the preload element from rotating in the opposite direction.

[0035] Furthermore, if Figure 2 , Figure 3 As shown, the outer wall of the insertion rod 650 is provided with a guide groove 651, and the guide groove 651 extends to the end face of the insertion rod 650 away from the spring 660; the side wall of the end of the insertion strip 632 close to the elastic clamping strip 631 is provided with a through hole 635, and the through hole 635 is connected with the guide hole 634 and corresponds to the position of the guide groove 651. A card bead 670 is provided at the through hole 635, and the bottom of the guide groove is an arc-shaped structure, which is adapted to the card bead. The insertion rod 650 moves along the guide hole 634 and is prevented from falling off by the card bead 670; this structural design allows the insertion rod to be slidably inserted in the guide hole, and the moving stroke of the insertion rod is limited by the card bead and the guide groove, so that it can not only meet the required active telescopic length, but also effectively prevent the insertion rod from falling off, and maintain the spring card placed inside the guide hole.

[0036] Furthermore, the insertion rod 650 is a prismatic strip structure, and the shape of the guide hole 634 is adapted to the shape of the insertion rod 650; the guide groove is arranged on a straight side surface of the insertion rod; it can effectively prevent the insertion rod from rotating, and it is also convenient for alignment installation, so that the card bead and the guide groove are aligned and matched, and it is also convenient for the insertion rod to match with the external installation code.

[0037] Furthermore, if Figures 5 to 7As shown, a support ring 624 is fixedly provided on the outer wall of one end of the support tube 620 close to the recess 622, and the outer diameter of the support ring is larger than the inner diameter of the first sleeve; an annular groove 625 is provided on the wall surface of the support ring 624 close to the first sleeve 610, and a snap ring 612 is correspondingly provided on the end surface of the first sleeve 610, and the position of the snap ring 612 corresponds to the position of the annular groove 625, and the shapes are adapted; by providing the snap ring and the annular groove, the contact area between the first sleeve and the support ring is further increased, and the overall fit can be strengthened; and this structure can further facilitate the alignment and assembly between the first sleeve and the support tube.

[0038] Furthermore, if Figure 2 , Figure 3 As shown, a second sleeve 621 is provided at the end of the support tube 620 away from the support ring; a first bearing 640 is installed on the second sleeve 621, and the outer ring diameter of the first bearing is adapted to the inner diameter of the end of the first sleeve, and the outer ring of the first bearing is clamped at the port of the first sleeve; a second bearing 680 is clamped and installed on the inner side of the other port of the first sleeve 610, and the inner ring diameter of the second bearing is adapted to the outer diameter of the support tube; the support tube is rotatably installed in the first sleeve through the first bearing and the second bearing; and the second sleeve extends out of the outside of the first sleeve for docking and assembly with the external structure.

[0039] Furthermore, the diameter of the support tube is larger than the diameter of the second sleeve, forming a first step portion, and the inner wall of the port of the first sleeve is provided with a second step portion, the second step portion is flush with the first step portion, and the outer wall of the second sleeve is provided with a third groove for clamping the second retaining spring, so that the first bearing is installed between the second retaining spring and the first step portion and the second step portion, and the first sleeve is blocked by the first bearing; the inner wall of the other port of the first sleeve is provided with a third step portion, and the outer wall of the preloaded member close to the third step portion is fixedly provided with a pressure ring, so that the second bearing is clamped between the pressure ring and the third step portion, and the other end of the first sleeve is blocked by the second bearing, and the second bearing is restricted by the outer support ring to complete the overall assembly, so that the first sleeve is rotatably installed on the outside of the support tube; if disassembly is required, the second retaining spring needs to be removed, and then the other components can be disassembled in turn, cleverly utilizing the obstruction and limitation between the structures, making the overall structure compact, reducing space occupancy, and facilitating the subsequent assembly and application of the roller blinds.

[0040] Furthermore, if Figure 5 , Figure 6 As shown, the outer wall of the support ring 624 is provided with a plurality of arc-shaped protrusions 626, which are distributed in a circular array around the axis of the support ring; the ends of two adjacent arc-shaped protrusions are connected to achieve an anti-slip effect, so that the support ring can be grasped for adjustment.

[0041] Furthermore, a slot 627 extending in the radial direction of the support ring is provided at the arc-shaped protrusion 626; the support ring can be adjusted by inserting a screwdriver or other structural tools, which is suitable for operation after installation when it is inconvenient for the user to grasp the support ring.

[0042] The utility model also discloses a rolling curtain, including a mounting code, a winding spring assembly, a supporting end, a rolling curtain rod, a curtain cloth, and the above-mentioned control head. The spring assembly can be adjusted for a second time through the control head to further optimize the winding elastic force and meet different usage requirements; wherein, the mounting code is installed on the wall, the control head is connected to the winding spring assembly, and is installed at one end of the rolling curtain rod, the supporting end head is installed at the other end of the rolling curtain rod, the rolling curtain rod is framed between the two mounting codes through the control head and the supporting end head, and the curtain cloth is wound and installed on the rolling curtain rod; the above-mentioned mounting code, winding spring assembly, supporting end head, rolling curtain rod, and curtain cloth are all common in the field of rolling curtains, and more specific structures and connection and installation methods are not repeated.

[0043] The present invention is described by preferred embodiments, and those skilled in the art will appreciate that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited to the specific embodiments disclosed herein, and other embodiments falling within the claims of this application are within the scope of protection of the present invention.

Claims

1. A head making method, characterized in that: It includes a first sleeve, a support sleeve, a pre-tightening member, and an insertion rod; The first sleeve is rotatably sleeved on the outer side of the support tube, and both ends of the support tube extend out of the end of the support tube; The pre-tightening member is rotatably inserted in the interior of the support tube, and the pre-tightening member and the support tube form a one-way rotation fit; The preload member is provided with a guide hole along the axial direction, the insertion rod is slidably mounted at the guide hole, and a spring is installed in the guide hole to provide elastic force for the insertion rod to push outward.

2. A head making method according to claim 1, characterized in that: At least one elastic clip is provided at the end of the pre-tightening member, serving as a ratchet; A recessed groove is correspondingly provided on the end surface of the support tube, and a plurality of latching teeth are correspondingly provided on the groove wall of the recessed groove. The plurality of latching teeth are distributed in a circular array around the axis of the support tube, serving as a ratchet; The pre-tightening member and the supporting tube form a one-way rotation fit through the elastic clamping strip and the clamping teeth.

3. A head making method according to claim 2, characterized in that: The preload member includes an insert strip, and an elastic clip strip is fixedly arranged on the end side wall of the insert strip; the diameter of the insert strip is adapted to the inner diameter of the support tube, a boss is fixedly arranged at the end center of the insert strip, the diameter of the boss is smaller than the diameter of the insert strip, a first circular hole is correspondingly arranged at the end of the support tube, the diameter of the first circular hole is adapted to the diameter of the boss, and a threaded hole is arranged at the center of the boss for installing a screw; the insert strip is rotatably installed at the support tube by means of a screw, and the elastic clip strip is located inside the sink groove to maintain a one-way rotation fit.

4. A head making method according to claim 3, characterized in that: A guide groove is provided on the outer wall of the insertion rod, and the guide groove extends to the end face of the insertion rod away from the spring; a through hole is provided on the side wall of the end of the insertion strip close to the elastic clamping strip, the through hole is connected with the guide hole and corresponds to the position of the guide groove, and a card bead is provided at the through hole. The bottom of the guide groove is an arc-shaped structure, which is adapted to the card bead. The insertion rod moves along the guide hole and is prevented from falling off by the card bead.

5. A head making method according to claim 4, characterized in that: The insertion rod is a prismatic strip structure, the shape of the guide hole matches the shape of the insertion rod; the guide groove is arranged on a straight side surface of the insertion rod.

6. A head making method according to claim 5, characterized in that: A support ring is fixedly provided on the outer wall of one end of the support tube close to the sink, and the outer diameter of the support ring is larger than the inner diameter of the first sleeve; An annular groove is arranged on the wall surface of the support ring close to the first sleeve, and the position of the clamping ring arranged on the end surface of the first sleeve corresponds to the position of the annular groove and has a matching shape.

7. A head making method according to claim 6, characterized in that: The outer wall of the support ring is provided with a plurality of arc-shaped protrusions, and the plurality of arc-shaped protrusions are distributed in a circular array around the axis of the support ring.

8. A head making method according to claim 7, characterized in that: A slot extending along the radial direction of the support ring is provided at the arc-shaped protrusion.

9. A rolling blind, characterized in that: The invention comprises the head manufacturing method as described in any one of claims 1 to 8.

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