Punching-free roller shutter reset tensioning device and curtain

Abstract

The utility model relates to a punching-free roller shutter reset tensioning device and a curtain, and the punching-free roller shutter reset tensioning device comprises an elastic force balance adjusting assembly which is used for forming resistance for resisting and balancing the reset elastic force of the curtain; the head of the adjusting screw rod is connected to the elastic force balance adjusting module, and a through connecting seam is formed in the adjusting screw rod; the tensioning force adjusting assemblies are connected to the adjusting screw in a sleeving mode, each tensioning force adjusting assembly comprises an installation sleeve, and a through opening allowing the end of the adjusting screw to penetrate through is formed in the bottom of each installation sleeve; the coil spring is clamped and embedded in the mounting sleeve, and a connecting end inserted into the connecting seam is formed on the inner side of the coil spring; the screw sleeve is in threaded connection with the adjusting screw rod; and the elastic force balance adjusting assembly can drive the adjusting screw rod to rotate so as to adjust the tensile force generated by the tensile force adjusting assembly. According to the curtain winding device, the curtain can be better attached to a curtain supporting rod when being reset by adjusting the tension force, and the curtain winding effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of curtains, in particular to a punch-free rolling curtain resetting and tensioning device and the curtain. Background Art

[0002] Curtains are now widely used in homes, offices, and other places. Roller blinds are particularly popular because they can be rolled up into a tube mounted on the top of the window, eliminating the need to occupy space on either side. Some roller blinds utilize elastic elements to automatically retract the curtain fabric. However, due to design flaws, these structures often struggle to ensure a proper fit between the curtain and the support rod, resulting in poor retraction performance. Utility Model Content

[0003] In view of the above-mentioned shortcomings of the prior art, the purpose of the present invention is to provide a punch-free roller blind resetting and tensioning device and a curtain, which specifically improves the curtain rolling effect.

[0004] To achieve the above-mentioned and other related purposes, the present invention provides the following technical solutions:

[0005] The first aspect of the disclosed embodiment of the utility model provides a punch-free roller blind resetting and tensioning device, comprising:

[0006] An elastic force balancing adjustment component is used to form a resistance to counteract the elastic force of the curtain reset;

[0007] An adjusting screw, the head of which is connected to the elastic balance adjustment module, and the adjusting screw is provided with a through-connecting seam;

[0008] A plurality of tension adjustment components sleeved on the adjusting screw, the tension adjustment components comprising: a mounting sleeve, the bottom of the mounting sleeve being provided with a through hole for the end of the adjusting screw to pass through; a coil spring embedded in the mounting sleeve, the inner ring of the coil spring being capable of allowing the adjusting screw to pass through, and the inner side of the coil spring being formed with a connecting end for inserting into the connecting seam; and,

[0009] A screw sleeve, threadedly connected to the adjusting screw and pressing the mounting sleeve against the elastic balance adjustment component;

[0010] The curtain rod is sleeved on the outside of the tension adjustment component so that the tension generated by the tension adjustment component acts on the curtain rod, and the elastic balance adjustment component can drive the adjustment screw to rotate to adjust the tension generated by the tension adjustment component.

[0011] To implement the above technical solution, when in use, the device is first installed on the curtain rod. After the curtain rod is installed and fixed in the window frame, the tension is adjusted by the elastic balance adjustment component. When the elastic balance adjustment component rotates, it drives the adjustment screw to rotate, and then synchronously drives the connecting section of the coil spring to rotate and reel, so that the elastic force of the coil spring changes, thereby realizing the adjustment of the tension of the tension adjustment component. At the same time, the corresponding number of tension adjustment components can be assembled according to the length of the curtain. Multiple tension adjustment components cooperate to realize effective adjustment of the tension, so that the curtain can better fit the curtain rod when it is reset, thereby improving the curtain rolling effect.

[0012] As a preferred solution of the utility model, the elastic force balance adjustment component includes:

[0013] A base, wherein a spring rod is provided on the base;

[0014] An adjustment handle sleeved on the spring rod, the adjustment handle is provided with a clamping sleeve, the spring rod is sleeved with a torsion spring, and the legs of the torsion spring are clamped in the clamping sleeve;

[0015] An adjusting rotary cylinder is sleeved and fixed to the outside of the torsion spring member, and a fixing groove is provided at the bottom of the adjusting rotary cylinder for locking the head of the adjusting screw; and

[0016] The support rod base is sleeved and fixed on the outside of the adjusting drum and is used for being connected and fixed with the curtain support rod, and the support rod base is hollow for the adjusting screw to pass through.

[0017] To implement the above technical solution, the torsion spring is sleeved on the spring rod and the base and the adjustment handle are elastically connected through the support foot and the clamping sleeve. When the adjustment handle is rotated, the adjustment screw is driven to rotate synchronously through the cooperation with the adjustment drum, thereby realizing the adjustment of the tensioning force. By connecting the support rod base with the curtain support rod, the tensioning force can be applied to the curtain support rod, and the torsion spring generates resistance to counteract and balance the curtain reset elastic force.

[0018] As a preferred solution of the utility model, a notch is provided on the clamping sleeve, and the legs of the torsion spring member abut against the notch.

[0019] As a preferred solution of the utility model, a partition is provided between the adjusting cylinder and the fixed embedding groove, and a convex ring is provided on the partition that is embedded between the clamping sleeve and the spring rod, and a gap is left between the convex ring and the adjusting cylinder.

[0020] By implementing the above technical solution, the curtain support rod can be adjusted without resistance within a small range during installation, so that the position of the curtain can be adjusted during installation so that the curtain is in a vertical drooping state.

[0021] As a preferred solution of the utility model, a plurality of fixing ribs are provided on the outer side of the support rod base, and the fixing ribs are tapered.

[0022] The above technical solution is implemented to achieve fitting with the curtain rod.

[0023] As a preferred solution of the utility model, a first groove and a first protrusion that fit in with each other are provided between the installation sleeve and the fixing rib, and a second groove and a second protrusion that fit in with each other are provided between adjacent installation sleeves.

[0024] By implementing the above technical solution, the support rod base and each mounting sleeve form a mutually linked whole.

[0025] As a preferred solution of the utility model, the inner wall of the installation sleeve is provided with a card slot, and the coil spring is provided with a buckle end that is embedded in the card slot.

[0026] By implementing the above technical solution, the coil spring and the mounting sleeve are fixed by snapping.

[0027] As a preferred solution of the utility model, the installation sleeve is provided with a plurality of hollow openings.

[0028] Implementing the above technical solution makes it easy to adjust the position of the coil spring during the installation process.

[0029] As a preferred solution of the utility model, the adjusting handle is provided with a plurality of knob blocks outside.

[0030] The above technical solution is implemented so that the adjustment handle can be turned.

[0031] A second aspect of the disclosed embodiment of the present utility model provides a curtain, characterized by comprising the punch-free roller curtain resetting and tensioning device as described in the first aspect.

[0032] As described above, the present invention has the following beneficial effects:

[0033] The embodiment of the present invention provides a punch-free roller blind reset and tensioning device and a curtain, wherein the punch-free roller blind reset and tensioning device includes: an elastic balance adjustment component for forming a resistance to counteract the elastic force of the curtain reset; an adjusting screw, a head of which is connected to the elastic balance adjustment module, and the adjusting screw is provided with a through-connecting seam; a plurality of tension adjustment components sleeved on the adjusting screw, the tension adjustment component including: a mounting sleeve, a bottom of which is provided with a through-hole for the end of the adjusting screw to pass through; a coil spring embedded in the mounting sleeve, the inner ring of the coil spring being capable of allowing the adjusting screw to pass through, and the inner side of the coil spring being formed with a connecting end for inserting into the connecting seam; and a screw sleeve being threadedly connected to the adjusting screw and pressing the mounting sleeve against the elastic balance adjustment component; a curtain support rod being sleeved on the outside of the tension adjustment component so that the tension generated by the tension adjustment component acts on the curtain support rod, and the elastic balance adjustment component can drive the adjusting screw to rotate to adjust the tension generated by the tension adjustment component. When in use, the device is first installed on the curtain support rod. After the curtain support rod is installed and fixed in the window frame, the tensioning force is adjusted by the elastic balance adjustment component. When the elastic balance adjustment component rotates, the adjusting screw is driven to rotate, and then the connecting section of the coil spring is synchronously driven to rotate and reel, so that the elastic force of the coil spring changes, thereby realizing the adjustment of the tensioning force of the tension adjustment component. At the same time, a corresponding number of tension adjustment components can be assembled according to the length of the curtain. Multiple tension adjustment components cooperate to realize effective adjustment of the tension, so that the curtain can better fit the curtain support rod when it is reset, thereby improving the curtain rolling effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0034] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0035] Figure 1 Shown is a schematic structural diagram of the punch-free roller curtain resetting and tensioning device in the present invention.

[0036] Figure 2 Shown is an exploded schematic diagram of the elastic force balance adjustment component in the present invention.

[0037] Figure 3 It shows a schematic diagram of the assembly structure of the base, the clamping sleeve and the torsion spring in the present invention.

[0038] Figure 4 Shown is a cross-sectional view of the elastic force balance adjustment component of the present invention.

[0039] Figure 5 Shown is a schematic diagram of the assembly structure of the tensioning force adjustment component in the present invention.

[0040] Figure 6 Shown is a schematic structural diagram of the adjusting screw in the present invention.

[0041] The numbers and letters in the figure represent the corresponding component names:

[0042] 10. Elastic force balance adjustment assembly; 11. Base; 111. Spring rod; 12. Adjusting handle; 121. Clamping sleeve; 122. Notch; 123. Knob block; 13. Torsion spring member; 14. Adjusting drum; 141. Fixed groove; 142. Partition; 143. Raised ring; 15. Support rod base; 151. Fixing rib; 152. First groove; 20. Adjusting screw; 21. Head; 22. Connecting seam; 30. Tension adjustment assembly; 31. Mounting sleeve; 311. First protrusion; 312. Second groove; 313. Second protrusion; 314. Mounting slot; 315. Hollow opening; 32. Coil spring; 321. Connecting end; 322. Buckle end; 40. Screw sleeve. DETAILED DESCRIPTION

[0043] The following describes the implementation of the present invention through specific embodiments. People familiar with this technology can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0044] See also Figures 1 to 6 The first aspect of the embodiment of the present invention provides a punch-free roller blind reset and tensioning device, including: an elastic balance adjustment component 10, used to form a resistance to balance the curtain reset elastic force; an adjusting screw 20, whose head 21 is connected to the elastic balance adjustment module, and the adjusting screw 20 is provided with a through connection seam 22; a plurality of tension adjustment components 30 sleeved on the adjusting screw 20; and a screw sleeve 40, which is threadedly connected to the adjusting screw 20 and presses the mounting sleeve 31 against the elastic balance adjustment component 10; the curtain support rod is sleeved on the outside of the tension adjustment component 30, so that the tension generated by the tension adjustment component 30 acts on the curtain support rod, and the elastic balance adjustment component 10 can drive the adjusting screw 20 to rotate to adjust the tension generated by the tension adjustment component 30.

[0045] Specifically, the elastic force balance adjustment component 10 includes: a base 11, a spring rod 111 is provided on the base 11, the base 11 and the spring rod 111 are integrally formed, and a plurality of friction teeth are provided on the outer periphery of the base 11; an adjustment handle 12 sleeved on the spring rod 111, a clamping sleeve 121 is provided on the adjustment handle 12, a torsion spring member 13 is sleeved on the spring rod 111, and the legs of the torsion spring member 13 are clamped on the clamping sleeve 121, wherein a notch 122 is provided on the clamping sleeve 121, so that the cross-section of the clamping sleeve 121 is fan-shaped, and the legs of the torsion spring member 13 abut against the notch 122 to achieve the connection of the torsion spring member 13 The torsion spring member 13 can be provided with one or more, and the adjusting handle 12 is provided with a plurality of knob blocks 123 on the outside of the adjusting handle 12 to facilitate the rotation of the adjusting handle 12; an adjusting drum 14 is sleeved and fixed to the outside of the torsion spring member 13, and a fixed embedding groove 141 is provided at the bottom of the adjusting drum 14 for embedding the head 21 of the adjusting screw 20. Usually, the head 21 of the screw member is hexagonal, and the fixed embedding groove 141 is a hexagonal groove for the screw member; and a support rod base 15 is sleeved and fixed to the outside of the adjusting drum 14 for connecting and fixing with the curtain support rod, and the support rod base 15 is hollow for the adjusting screw 20 to pass through.

[0046] The torsion spring 13 is sleeved on the spring rod 111 and cooperates with the clamping sleeve 121 through the support foot to realize the elastic connection between the base 11 and the adjustment handle 12. When the adjustment handle 12 rotates, it drives the adjustment screw 20 to rotate synchronously through the cooperation with the adjustment drum 14, thereby realizing the adjustment of the tensioning force. The tensioning force can be applied to the curtain support rod by connecting the support rod base 15 to the curtain support rod, and the torsion spring 13 generates resistance to counteract and balance the curtain reset elastic force.

[0047] Furthermore, a partition 142 is provided between the adjusting drum 14 and the fixed embedding groove 141, and a convex ring 143 is provided on the partition 142, which is embedded between the clamping sleeve 121 and the spring rod 111, and a gap is left between the convex ring 143 and the adjusting drum 14; so that the curtain support rod can be adjusted within a small range without resistance during installation, so as to facilitate the adjustment of the curtain position during installation so that the curtain is in a vertical drooping state; and a plurality of fixing ribs 151 are provided on the outer side of the support rod base 15, and the fixing ribs 151 are tapered to achieve fitting with the curtain support rod.

[0048] The tension adjustment assembly 30 includes: a mounting sleeve 31, the bottom of which is provided with a through hole for the end of the adjusting screw 20 to pass through; a coil spring 32 embedded in the mounting sleeve 31, the inner ring of the coil spring 32 can allow the adjusting screw 20 to pass through, and the inner side of the coil spring 32 is formed with a connecting end 321 for inserting the connecting seam 22, the connecting section spans the middle of the mounting sleeve 31, and the connecting seam 22 extends from one end of the adjusting screw 20 to the other end, so that the connecting end 321 can be freely inserted.

[0049] The inner wall of the mounting sleeve 31 is provided with a snap-fitting groove 314, and the outside of the coil spring 32 is provided with a snap-fitting end 322 that is embedded in the snap-fitting groove 314. The snap-fitting end 322 is embedded in the snap-fitting groove 314 to realize the snap-fitting and fixing of the coil spring 32 and the mounting sleeve 31, and a plurality of hollow openings 315 are provided on the mounting sleeve 31. In this embodiment, two groups of hollow openings 315 are symmetrically arranged to facilitate the adjustment of the position of the coil spring 32 during the installation process.

[0050] A first groove 152 and a first protrusion 311 that fit together are provided between the mounting sleeve 31 and the fixing rib 151, and a second groove 312 and a second protrusion 313 that fit together are provided between adjacent mounting sleeves 31, so that the support rod base 15 and each mounting sleeve 31 form an interconnected whole.

[0051] When in use, the device is first installed on the curtain support rod. After the curtain support rod is installed and fixed in the window frame, the tensioning force is adjusted through the elastic balance adjustment component 10. When the elastic balance adjustment component 10 rotates, it drives the adjusting screw 20 to rotate, and then synchronously drives the connecting section of the coil spring 32 to rotate and reel, so that the elastic force of the coil spring 32 changes, thereby realizing the adjustment of the tensioning force of the tension adjustment component 30. At the same time, the corresponding number of tension adjustment components 30 can be assembled according to the length of the curtain. Multiple tension adjustment components 30 cooperate to realize effective adjustment of the tension, so that the curtain can better fit the curtain support rod when it is reset, thereby improving the curtain rolling effect.

[0052] The second aspect of the embodiment of the present invention provides a curtain, including the punch-free roller curtain reset and tensioning device as described in the first aspect, the punch-free roller curtain reset and tensioning device is arranged at one end of the curtain support rod, and the other end of the curtain support rod is connected to a punch-free mounting seat, and the punch-free mounting seat can adopt the existing structure. During installation, the curtain support rod is first connected to the inside of the window frame through the punch-free mounting seat to realize the punch-free installation and fixation of the entire curtain, and then the tensioning force is adjusted by the punch-free roller curtain reset and tensioning device.

[0053] The above embodiments are merely illustrative of the principles and effects of the present invention and are not intended to limit the present invention. Anyone skilled in the art may modify or alter the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or alterations made by one of ordinary skill in the art without departing from the spirit and technical principles disclosed in the present invention are intended to be covered by the claims of the present invention.

Claims

1. A punch-free roller blind resetting and tensioning device, characterized in that: include: An elastic force balancing adjustment component is used to form a resistance to counteract the elastic force of the curtain reset; An adjusting screw, the head of which is connected to the elastic balance adjustment module, and the adjusting screw is provided with a through-connecting seam; A plurality of tension adjustment components sleeved on the adjusting screw, the tension adjustment components comprising: a mounting sleeve, the bottom of the mounting sleeve being provided with a through hole for the end of the adjusting screw to pass through; a coil spring embedded in the mounting sleeve, wherein the inner ring of the coil spring is capable of allowing the adjusting screw to pass through, and a connecting end is formed on the inner side of the coil spring for inserting into the connecting seam; and A screw sleeve, threadedly connected to the adjusting screw and pressing the mounting sleeve against the elastic balance adjustment component; The curtain rod is sleeved on the outside of the tension adjustment component so that the tension generated by the tension adjustment component acts on the curtain rod, and the elastic balance adjustment component can drive the adjustment screw to rotate to adjust the tension generated by the tension adjustment component.

2. The punch-free roller blind resetting and tensioning device according to claim 1, characterized in that: The elastic force balance adjustment component includes: A base, wherein a spring rod is provided on the base; An adjustment handle sleeved on the spring rod, the adjustment handle is provided with a clamping sleeve, the spring rod is sleeved with a torsion spring, and the legs of the torsion spring are clamped in the clamping sleeve; An adjusting rotary cylinder is sleeved and fixed to the outside of the torsion spring member, and a fixing groove is provided at the bottom of the adjusting rotary cylinder for locking the head of the adjusting screw; and The support rod base is sleeved and fixed on the outside of the adjusting drum and is used for being connected and fixed with the curtain support rod, and the support rod base is hollow for the adjusting screw to pass through.

3. The punch-free roller blind resetting and tensioning device according to claim 2, characterized in that: The clamping sleeve is provided with a notch, and the legs of the torsion spring member abut against the notch.

4. The punch-free roller blind resetting and tensioning device according to claim 2 or 3, characterized in that: A partition is provided between the adjusting rotating cylinder and the fixed embedding groove. A convex ring is provided on the partition and embedded between the clamping sleeve and the spring rod. A gap is left between the convex ring and the adjusting rotating cylinder.

5. The punch-free roller blind resetting and tensioning device according to claim 2, characterized in that: A plurality of fixing ribs are arranged on the outer side of the support rod base, and the fixing ribs are tapered.

6. The punch-free roller blind resetting and tensioning device according to claim 5, characterized in that: A first groove and a first protrusion that fit in with each other are provided between the installation sleeve and the fixing rib, and a second groove and a second protrusion that fit in with each other are provided between adjacent installation sleeves.

7. The punch-free roller blind resetting and tensioning device according to claim 1, characterized in that: The inner wall of the installation sleeve is provided with a clamping groove, and the coil spring is provided with a buckle end that is clamped and embedded in the clamping groove.

8. The punch-free roller blind resetting and tensioning device according to claim 1, characterized in that: The installation sleeve is provided with a plurality of hollow openings.

9. The punch-free roller blind resetting and tensioning device according to claim 2, characterized in that: The adjusting handle is provided with a plurality of knob blocks outside.

10. A curtain, characterized in that: It comprises the punch-free roller blind resetting and tensioning device as described in any one of claims 1 to 9.

Images