CN223661701U

CN223661701U - Shaft-penetrating spring structure and sun-shading device

Info

Publication number: CN223661701U
Application number: CN202520035577.XU
Authority: CN
Inventors: 娄小红; 盛梅峰; 娄二方; 庹辉笔
Original assignee: Dongguan Lingxin Intelligent Technology Co ltd
Current assignee: Dongguan Lingxin Intelligent Technology Co ltd
Priority date: 2024-10-16
Filing date: 2025-01-07
Publication date: 2025-12-12
Anticipated expiration: 2035-01-07

Abstract

This utility model relates to a through-axis spring structure, comprising: an upper rail assembly, including an upper rail, a cord retraction/releasing module, and a drive shaft; a support plate installed at the bottom of the upper rail assembly; two T-slots arranged side-by-side on the side of the support plate opposite to the upper rail; and at least one spring box detachably connected to the support plate; the spring box includes a box body, a cover plate, a first locking foot, an aligning seat, a second locking foot, and a lug; the first locking foot is matched and connected to the T-slot; the second locking foot is matched and connected to the T-slot; the aligning seat corresponds to the lug. The above-described through-axis spring structure is simple in structure and easy to use. By installing the support plate on the bottom surface of the upper rail, multiple spring boxes can be spliced together using the support plate, effectively selecting different elasticity ranges and flexibly adapting to curtains of different materials and weights.

Description

Shaft-penetrating spring structure and sun-shading device

Technical Field

The utility model relates to the technical field of sun-shading devices, in particular to a shaft-penetrating type spring structure and a sun-shading device with the shaft-penetrating type spring structure.

Background

Roller shutter type spring curtains, also known as semi-automatic curtains, are unique in that they incorporate a spring mechanism inside the tube, which innovative design gives it a broad popularity as a door and window finishing material. The operation is clever, and the spring force of a reel is skillfully utilized as a core power source for driving the curtain to lift.

Common spring curtain designs often rely on a fixed single spring case construction that presents a limitation in the adjustment of the spring force, with a narrow range of adjustability. Therefore, when facing curtains with different materials and different weights, the adaptability of the curtain is hard to be worry about, and precise matching and flexible adjustment are difficult to realize.

Disclosure of utility model

To this end, the present utility model provides a through-shaft spring structure and a sunshade device, which address at least one of the above problems.

The utility model is realized by the following scheme:

The utility model provides a shaft penetrating type spring structure, which is characterized by comprising the following components:

The upper rail assembly comprises an upper rail, a coiling and uncoiling module arranged on the bottom surface of the upper rail and a driving shaft rotatably connected with the coiling and uncoiling module;

The spring box comprises a shell, a first connecting structure and a second connecting structure, wherein the first connecting structure and the second connecting structure are connected to the shell, the first connecting structure and the second connecting structure are arranged correspondingly, and the first connecting structure and the second connecting structure can be connected in an installation mode, so that the two spring boxes are fixedly connected.

In one embodiment, the shaft penetrating spring structure further comprises a bearing plate mounted at the bottom of the upper rail assembly, the bearing plate is mounted at the bottom surface of the upper rail, two T-shaped grooves are arranged side by side on one surface of the bearing plate, which faces away from the upper rail, and the two T-shaped grooves are arranged along the length direction of the bearing plate;

The shell comprises a box body, a cover plate, a first clamping pin and a second clamping pin, wherein the cover plate is connected with the box body in a matching mode, the first clamping pin is connected to two opposite sides of the top surface of the box body, the second clamping pin is connected to two opposite sides of the top surface of the cover plate, the first clamping pin is arranged in a T shape and is connected with a T-shaped groove in a matching mode, the second clamping pin is arranged in a T shape and is connected with the T-shaped groove in a matching mode, and therefore the spring box is detachably connected with the bearing plate to be detachably connected with the bottom surface of the upper rail.

In one embodiment, the wire winding and unwinding module is provided with two wire winding and unwinding modules and is arranged at two opposite ends of the bottom surface of the upper rail, the first connecting structure is an alignment seat, the second connecting structure is a lug, the lug and the alignment seat on the spring box are provided with two pairs of lugs, the two pairs of alignment seats are connected to two opposite sides of the box body, the two lugs are connected to two opposite sides of the cover plate, when the two spring boxes are spliced in the same direction, the box body of one spring box is abutted against the cover plate of the other spring box, and the two pairs of spring boxes are threaded into the inside of the alignment seat after being penetrated by the lug by using a screw, so that the alignment seat and the lug are connected in a mounting manner.

In one embodiment, the spring box further comprises a first balance wheel rotatably arranged at the top end inside the box body, a second balance wheel rotatably arranged at the bottom end inside the box body, and a spiral spring connecting the first balance wheel and the second balance wheel, and the driving shaft coaxially penetrates through the first balance wheel to drive the first balance wheel to synchronously rotate.

In one embodiment, the section of the driving shaft is non-circular, the first balance wheel is provided with a shaft hole along the axial line direction of the first balance wheel, and the shape of an opening of the shaft hole is matched with the shape of the section of the driving shaft.

In one embodiment, the coil spring is arranged in an S shape, one end of the coil spring is fixedly connected with the first balance wheel, and the other end of the coil spring is fixedly connected with the second balance wheel, so that the first balance wheel and the second balance wheel turn oppositely.

In one embodiment, the middle part of the bottom surface of the upper rail is inwards recessed with a containing groove along the length direction of the upper rail, and the middle part of one surface of the bearing plate facing the upper rail is convexly provided with a boss along the length direction of the bearing plate, and the boss is correspondingly matched with the containing groove.

In one embodiment, a plurality of assembly holes are respectively arranged on two opposite sides of the upper rail corresponding to the accommodating grooves, and a plurality of through grooves are respectively arranged on two opposite sides of the bearing plate corresponding to the bosses, wherein the through grooves correspond to the assembly holes one by one.

In one embodiment, the drive shaft is a single drive shaft which is arranged through the wire winding and unwinding module and the spring box, and/or

The mounting position of the winding and unwinding line module on the bottom surface of the upper rail is adjustable.

The utility model also provides a sun-shading device which is characterized by at least comprising the shaft penetrating type spring structure.

The technical scheme provided by the utility model has the following technical effects:

The utility model provides a shaft penetrating type spring structure, which comprises at least one spring box detachably connected with the bottom surface of an upper rail, wherein the spring box comprises a shell, a first connecting structure and a second connecting structure, the first connecting structure and the second connecting structure are connected with each other, the first connecting structure and the second connecting structure can be connected with each other in an installation mode, so that the two spring boxes are fixedly connected, the shaft penetrating type spring structure is simple in structure and convenient to use, a plurality of spring boxes can be installed in a spliced mode, different elastic ranges can be effectively selected, curtains with different materials and different weights can be flexibly adapted, in the shaft penetrating type spring structure, compared with other schemes, a single driving shaft is formed by splicing multiple sections of the driving shafts, the splicing of the plurality of spring boxes is more convenient, the bearing capacity is high, meanwhile, the position of a lifting rope is convenient to adjust, and the shaft penetrating type spring structure can be suitable for curtains with different specifications.

Drawings

FIG. 1 is a perspective view of a through-shaft spring structure according to an embodiment of the present utility model;

FIG. 2 is a perspective view of another view of the through-shaft spring structure of this embodiment;

FIG. 3 is a partial exploded view of the through-shaft spring structure of this embodiment;

Fig. 4 is an enlarged view of circle a shown in fig. 3;

FIG. 5 is a perspective view of the coaxial spring structure of this embodiment with two spring cassettes spliced in the same direction;

FIG. 6 is an exploded view of the spring case of this embodiment;

fig. 7 is a perspective view of a sunshade according to the embodiment of the present utility model;

Fig. 8 is a perspective view of the sunshade of the embodiment in another direction.

Detailed Description

In order that the utility model may be readily understood, a more complete description of the utility model will be rendered by reference to the appended drawings. Preferred embodiments of the present utility model are shown in the drawings. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 8, the present embodiment provides a sunshade device 1, and the sunshade device 1 is, for example, a curtain. The sun-shading device 1 comprises a top rail assembly 10, a bearing plate 20, a spring box 30, a lifting rope 40, a curtain body 50, a wire binding device 60 and a positioning ring 70, wherein at least one spring box 30 is arranged, and the bearing plate 20 is arranged at the bottom of the top rail assembly 10. The upper rail assembly 10, the carrier plate 20 and the spring case 30 constitute a through-shaft spring structure of the sun shade 1.

The upper rail assembly 10 comprises an upper rail 11, a take-up and pay-off module 12 arranged on the bottom surface of the upper rail 11, and a driving shaft 13 rotatably connected with the take-up and pay-off module 12, wherein the section of the driving shaft 13 is in a non-circular arrangement. For example, in the present embodiment, the driving shaft 13 is arranged in a hexagonal shape in cross section, and the wire winding and unwinding modules 12 are arranged at two opposite ends of the bottom surface of the upper rail 11.

The spring case 30 includes a housing, a first connection structure 34 and a second connection structure 36 connected to the housing, and in this embodiment, the housing includes a case 31 and a cover plate 32 matingly connected to the case 31. The first connecting structure 34 and the second connecting structure 36 are correspondingly arranged, and the first connecting structure 34 and the second connecting structure 36 can be connected in a mounting way, so that the two spring boxes 30 are fixedly connected. In this embodiment, the first connecting structure 34 is a positioning seat 34, the second connecting structure 36 is a lug 36, and the positioning seat 34 and the lug 36 can be mounted and connected. In other embodiments, the first connection structure 34 and the second connection structure 36 may also be two snap structures that can mate with each other.

In the present embodiment, two alignment seats 34 and two lugs 36 are disposed on the spring case 30, the two alignment seats 34 are connected to opposite sides of the case 31 away from the cover 32, and the two lugs 36 are connected to opposite sides of the cover 32. The alignment seat 34 corresponds to the lug 36, when the two spring boxes 30 are spliced in the same direction, the box body 31 of one spring box 30 is abutted against the cover plate 32 of the other spring box 30, at this time, the screw penetrates through the lug 36 and is then screwed into the alignment seat 34, so that the alignment seat 34 is connected with the lug 36 in a mounted manner, and the two spring boxes 30 can be fixedly connected.

The spring case 30 further comprises a first balance wheel 37 rotatably mounted at the top end inside the case 31, a second balance wheel 38 rotatably mounted at the bottom end inside the case 31, and a spiral spring (not shown) connecting the first balance wheel 37 and the second balance wheel 38, wherein the spiral spring is arranged in an S shape, one end of the spiral spring is fixedly connected with the first balance wheel 37, and the other end of the spiral spring is fixedly connected with the second balance wheel 38, so that the first balance wheel 37 and the second balance wheel 38 are opposite in steering direction.

The driving shaft 13 coaxially penetrates through the first balance wheel 37 to drive the first balance wheel 37 to synchronously rotate. Specifically, the first balance wheel 37 is provided with a shaft hole 370 along the axial line direction thereof, and the shape of the opening of the shaft hole 370 matches with the sectional shape of the driving shaft 13, so that the driving shaft 13 can drive the first balance wheel 37 to rotate synchronously.

As shown in fig. 3 and 4, the spring case 30 is detachably attached to the bottom surface of the upper rail 11. The middle part of the bottom surface of the upper rail 11 is inwards sunken with a holding groove 14 along the length direction of the upper rail 11, a plurality of assembly holes 15 are respectively arranged on the opposite sides of the upper rail 11 corresponding to the holding groove 14, and the holding groove 14 and the assembly holes 15 are used for positioning and connecting the bearing plate 20.

The middle part of the surface of the bearing plate 20 facing the upper rail 11 is convexly provided with a boss 21 along the length direction of the bearing plate 20, and the boss 21 is correspondingly matched with the accommodating groove 14. The bearing plate 20 is provided with a plurality of through grooves 22 on two opposite sides corresponding to the bosses 21, the through grooves 22 are in one-to-one correspondence with the assembly holes 15, and the bearing plate 20 can be fixedly mounted on the bottom surface of the upper rail 11 by screwing the bolts into the assembly holes 15 after passing through the grooves 22.

Two T-shaped grooves 23 are arranged side by side on one surface of the bearing plate 20, which faces away from the upper rail 11, the two T-shaped grooves 23 are arranged along the length direction of the bearing plate, and the T-shaped grooves 23 are used for bearing and connecting the spring boxes 30.

In this embodiment, the spring case 30 further includes a first clamping leg 33 connected to opposite sides of the top surface of the case 31, and a second clamping leg 35 connected to opposite sides of the top surface of the cover 32. The first clamping leg 33 is in a T-shaped arrangement, the first clamping leg 33 is in matched connection with the T-shaped groove 23 to realize detachable connection of the box body 31 and the bearing plate 20, the second clamping leg 35 is in a T-shaped arrangement, the second clamping leg 35 is in matched connection with the T-shaped groove 23 to realize detachable connection of the cover plate 32 and the bearing plate 20, and therefore the spring box 30 is detachably connected with the bottom surface of the upper rail 11. In actual use, the spring boxes 30 with different numbers can be additionally arranged on the bearing plate 20 according to the requirements, so that different elastic force ranges can be effectively selected, and curtains with different materials and different weights can be flexibly adapted. Of course, in other embodiments, other removable structures, such as a snap-fit connection, may be employed between the spring case 30 and the bottom surface of the upper rail 11.

Referring to fig. 7 and 8, in the present embodiment, the lifting rope 40 can be gradually wound and retracted by the winding and unwinding module 12, so that the curtain 50 is wound and retracted. The curtain 50 includes a bottom rod 51 provided at a lower end, and the bottom rod 51 may increase the overall weight of the curtain 50 so that the curtain 50 may more easily stay at a desired height. The lower end of the lifting rope 40 is connected with a wire harness device 60, and the wire harness device 60 is fixedly connected with the bottom rod 51.

When the bottom rod 51 of the curtain 50 in the retracted state or the partially retracted state is pulled down, the curtain 50 is unfolded from top to bottom, the bottom of the curtain 50 moves downward along with the bottom rod 51, and the two lifting ropes 40 are released from the winding and unwinding module 12, so that the curtain 50 is unfolded.

The surface of the curtain body 50 can be fixed with a positioning ring 70, the lifting rope 40 is arranged in the positioning ring 70 in a penetrating way, and the positioning ring 70 can position and guide the lifting rope 40 relative to the curtain body 50. The mounting position of the winding and unwinding module 12 on the bottom surface of the upper rail 11 is adjustable, so that the position of the lifting rope 40 can be conveniently adjusted, and curtains with different specifications can be adapted.

The shaft penetrating spring structure of the embodiment has the advantages of simple structure and convenient use, and a plurality of spring boxes 30 can be spliced and installed on the bottom surface of the upper rail 11, so that different elastic force ranges are effectively selected, and curtains with different materials and different weights are flexibly adapted. The driving shaft 13 is a single piece, and the single driving shaft 13 is arranged through the wire winding and unwinding module 12 and the spring box 30. Compared with other embodiments, the driving shaft 13 is formed by splicing multiple sections, in the scheme of the embodiment, the shaft penetrating structure of the single driving shaft 13 is adopted, the bearing capacity is high, the splicing of the plurality of spring boxes 30 is more convenient, and meanwhile, the position of the lifting rope 40 is convenient to adjust, so that curtains with different specifications can be adapted.

The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A through-shaft spring structure comprising:

2. The through-shaft spring structure according to claim 1, further comprising a bearing plate mounted at the bottom of the upper rail assembly, wherein the bearing plate is mounted on the bottom surface of the upper rail, two T-shaped grooves are arranged side by side on one surface of the bearing plate, which is opposite to the upper rail, and the two T-shaped grooves are arranged along the length direction of the bearing plate;

3. The through-shaft spring structure of claim 2, wherein the wire winding and unwinding module is provided with two wire winding and unwinding modules and is arranged at two opposite ends of the bottom surface of the upper rail, the first connecting structure is an alignment seat, the second connecting structure is a lug, the two lugs on the spring case and the alignment seat are respectively provided with two, the two alignment seats are connected to two opposite sides of the case body, the two lugs are connected to two opposite sides of the cover plate, when the two spring cases are spliced in the same direction, the case body of one spring case is abutted against the cover plate of the other spring case, and after the lugs are penetrated through by using screws, the two alignment seats are screwed into the alignment seat, so that the alignment seat and the lugs are in installation connection.

4. The through-shaft spring structure according to claim 3, wherein the spring case further comprises a first balance wheel rotatably mounted at the top end of the inner body of the case, a second balance wheel rotatably mounted at the bottom end of the inner body of the case, and a spiral spring connecting the first balance wheel and the second balance wheel, and the driving shaft coaxially penetrates the first balance wheel to drive the first balance wheel to synchronously rotate.

5. The through-shaft spring structure according to claim 4, wherein the cross section of the driving shaft is non-circular, the first balance wheel is provided with a shaft hole along the axial line direction of the first balance wheel, and the shape of the opening of the shaft hole is matched with the shape of the cross section of the driving shaft.

6. The through-shaft spring structure of claim 4, wherein the wrap spring is disposed in an S-shape, one end of the wrap spring is fixedly connected to the first balance wheel, and the other end of the wrap spring is fixedly connected to the second balance wheel such that the first balance wheel is counter-rotated to the second balance wheel.

7. The through-shaft spring structure according to claim 3, wherein the middle part of the bottom surface of the upper rail is recessed inward along the length direction of the upper rail, and the middle part of one surface of the bearing plate facing the upper rail is provided with a boss in a protruding manner along the length direction of the bearing plate, and the boss is correspondingly matched with the accommodating groove.

8. The through-shaft spring structure of claim 7, wherein the upper rail is provided with a plurality of assembly holes respectively on two opposite sides corresponding to the accommodating grooves, and the bearing plate is provided with a plurality of through grooves respectively on two opposite sides corresponding to the bosses, and the through grooves correspond to the assembly holes one by one.

9. The through-shaft spring structure according to claim 1, wherein the driving shaft is single, the single driving shaft is arranged through the wire winding and unwinding module and the spring case, and/or

10. A sun protection device comprising at least a through-shaft spring structure according to any one of claims 1-9.