CN215670650U

CN215670650U - A overspeed device tensioner for flexible surface fabric

Info

Publication number: CN215670650U
Application number: CN202122231383.1U
Authority: CN
Inventors: 杨志飞; 陈程; 李健民
Original assignee: HUNTERDOUGLAS ARCHITECTURAL PRODUCTS (CHINA) CO Ltd
Current assignee: HUNTERDOUGLAS ARCHITECTURAL PRODUCTS (CHINA) CO Ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-01-28
Anticipated expiration: 2031-09-15

Abstract

The utility model provides a tensioning device for a flexible fabric, which is arranged at the side part of the flexible fabric, and the side part is tensioned and fixed, so that the whole flexible fabric is tensioned, and the surface flatness of the flexible fabric is kept.

Description

A overspeed device tensioner for flexible surface fabric

Technical Field

The utility model relates to a tensioning device for a flexible fabric, and belongs to the technical field of building decoration materials.

Background

In traditional buildings, hard materials are often adopted as building decoration materials, such as glass, concrete, ceramic tiles and the like; however, the hard surface, which is apt to make the space echo and cause "sound fog", is a great challenge for modern architects to create ideal acoustic environments.

Therefore, the flexible fabric, such as a flexible facing material, is widely concerned by the building field due to the advantages of flexibility, thin thickness, light weight, good durability, convenient construction and the like, for example, the wallboard or the ceiling adopting the flexible facing can be used as a building decoration material, so that warm touch feeling and visual feeling can be increased indoors, meanwhile, the flexible facing material has aesthetic feeling, the design of decoration style is expanded, the acoustic environment of modern buildings can be improved in an assisted manner, and the comfort level of the whole space in the sense of hearing is effectively improved.

However, the flatness of the surface of the flexible facing is difficult to maintain, and especially after a period of use, dust enters and deposits on the back of the flexible facing, which can adversely affect the flatness of the flexible facing.

Therefore, there is a need in the art to develop a tensioning device for adjusting the flatness of a flexible fabric.

Disclosure of Invention

In order to solve the technical problem, the utility model provides a tensioning device for a flexible fabric, wherein the tensioning device is arranged at the side part of the flexible fabric to tension the flexible fabric,

the tensioning device comprises a main body profile;

the main body section is positioned on the back surface of the flexible fabric and is fixedly connected with a wall or a fixed keel;

the main sectional material comprises an arc abutting part abutting against the side part from the outer side, a supporting part extending from the arc abutting part to the inner side, and a rolling part extending from the arc abutting part to the outer side and used for rolling the side part;

in the rolling direction, a fixing structure for fixing the free end part of the side part is further arranged on the main sectional material.

Preferably, the fixing structure is an accommodating cavity arranged inside the arc abutting part; the free end part of the side part is fixedly connected with a protruding edge strip, and the protruding edge strip is matched with the accommodating cavity in a clamping mode.

Preferably, the tensioning device further comprises an adjusting mechanism for adjusting the tensioning state of the side edge part of the flexible fabric.

Preferably, the adjusting mechanism comprises a sliding block and a belleville spring hinge;

the inner walls of the coiling part, the arc-shaped abutting part and the supporting part surround to form a sliding cavity for the sliding of the sliding block;

the slider has opposite first and second ends; the first end part extends towards the inner part of the arc-shaped abutting part and forms the accommodating cavity; the second end portion extends along the support portion;

one hinge arm of the butterfly spring hinge is elastically abutted to the second end of the sliding block, and the other hinge arm of the butterfly spring hinge is elastically abutted to a limiting blocking surface formed in the main body section bar.

Preferably, the belleville spring hinge is provided with a fastening screw for fixing the angle of the two hinge arms.

Preferably, the adjusting mechanism further comprises a hinge tool assembly detachably connected with the main body section; the hinge tool assembly comprises a first assembly which is abutted to the top of a hinge shaft of the butterfly spring hinge.

Preferably, the first assembly comprises a head part, a threaded rod part fixedly connected with the head part and an end cap nut in threaded connection with the lower end part of the threaded rod part; the end cover screw cap is abutted against the top of a hinge shaft of the butterfly spring hinge;

the hinge tool assembly further comprises a nut piece; the nut piece comprises a nut part in threaded fit with the threaded rod part and a fixed extension part fixedly connected with the nut part; the fixed extension part is fixedly connected with the main body section.

Drawings

FIG. 1 shows a schematic overall cross-sectional view of a tensioning device on both sides of a flexible fabric in example 1 of the present invention;

FIG. 2 is a cross-sectional schematic view of the tensioner on the left side of FIG. 1 (with the hinge tooling assembly installed);

fig. 3 is another schematic cross-sectional view of the tensioner of fig. 2 (with the hinge tooling assembly removed).

Detailed Description

The present invention will be described in detail below with reference to specific embodiments shown in the drawings. These embodiments are not intended to limit the present invention, and structural, methodological, or functional changes made by those skilled in the art according to these embodiments are included in the scope of the present invention.

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments 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, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their repetitive description will be omitted.

The described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to provide a thorough understanding of embodiments of the utility model. One skilled in the relevant art will recognize, however, that the utility model may be practiced without one or more of the specific details, or with other methods, components, materials, and so forth. In some instances, well-known structures, materials, or operations are not shown or described in detail to avoid obscuring the utility model.

Example 1

Embodiment 1 of the present invention provides a tensioning device 1 for a flexible fabric a, wherein the tensioning device 1 is mounted on a side portion of the flexible fabric a to tension the flexible fabric a.

In practical application, the tensioning devices 1 are respectively arranged on the side edge parts of the two sides of the flexible fabric A, and the two sides of the flexible fabric A are simultaneously tensioned and fixed, so that the flexible fabric A is integrally tensioned, as shown in fig. 1.

Next, a specific configuration of the tensioner 1 will be described by taking the left tensioner 1 in fig. 1 as an example.

Fig. 2 shows a schematic sectional view of the tensioning device 1 on the left in fig. 1.

As shown in fig. 2, the tensioning device 1 includes a main section bar 10, and the main section bar 10 is located on the back of the flexible fabric a and is fixedly connected with a wall or a fixing keel (not shown in the figure).

For example, when the flexible fabric a is used as a wall decoration material, the main body section bar 10 is fixedly connected with a wall; when the flexible fabric A is used as a ceiling material, the main body section bar 10 is fixedly connected with the fixed keel.

The main sectional material 10 includes an arc abutting portion 11 for abutting against the side portion of the flexible fabric to the outside, a supporting portion 12 extending from the arc abutting portion 11 to the inside, and a rolling portion 13 extending from the arc abutting portion 11 to the outside for rolling up the side portion.

In a particular embodiment of the utility model, the main section bar 10 is also provided with a fixing structure for fixing the free end a1 of the side portion in the rolling direction; the free end a1 of the side portion is fixed by the fixing structure, thereby realizing the fixing and tensioning of the side portion.

Specifically, in the present embodiment, the fixing structure is an accommodating cavity B disposed inside the arc abutting portion 11; the free end A1 of the side part is fixedly connected with a protruding edge A2, and the protruding edge A2 is in clamping fit with the containing cavity B.

Wherein, the convex edge strips A2 and the free end A1 of the side edge part of the flexible facing sheet A can be fixedly connected by bonding or sewing.

In one embodiment of the present invention, the tensioning device 1 further comprises an adjusting mechanism (not shown) for adjusting the tension of the side edge portion of the flexible material.

In the present embodiment in particular, as shown in fig. 2, the adjustment mechanism includes a slider 21 and a belleville spring hinge 22.

The slider 21 slides on the body profile 1. Specifically, the inner walls of the winding portion 13, the arc-shaped abutting portion 11 and the supporting portion 12 together surround to form a sliding cavity (not labeled in the figure) for the sliding block 21 to slide.

The slider 21 has opposite first and second ends 211 and 211 (not shown); the first end portion 211 extends toward the interior of the arc-shaped abutting portion 11, and forms a receiving cavity B, which is opened at the first end portion 211 of the slider 21. The second end of the slider 21 extends along the support portion 12.

One hinge arm X of the butterfly spring hinge 22 elastically abuts against the second end of the sliding block 21, and the other hinge arm Y elastically abuts against a limit stop surface C formed inside the main body section bar 10. That is, the belleville spring hinge 22 is located between the slider 21 and the limiting blocking surface C of the main sectional material 10, and abuts against the slider 21 through the belleville spring hinge 22, so that the slider 21 slides along the inner wall of the supporting portion 12 towards the inside of the arc abutting portion 11, the positions of the accommodating cavity B and the protruding edge a2 are adjusted, and the side portion is rolled and tensioned.

The belleville spring hinge 22 is provided with a fastening screw (not marked in the figure) for fixing the angle of the two hinge arms X, Y; when the hinge arm X of the belleville spring hinge 22 elastically abuts against the second end of the slider 21, so that the flexible fabric a reaches a proper tension state, the angle of the two hinge arms X, Y can be fixed by the fastening screw on the belleville spring hinge 22, and the tension state of the flexible fabric a is maintained.

In a specific embodiment of the present invention, the adjusting mechanism for adjusting the tension state of the side portion of the flexible fabric further includes a hinge tool assembly detachably connected to the main body section 10; the hinge tooling assembly comprises a first assembly 23 which abuts against the top of the hinge shaft of the belleville spring hinge 22. The hinge tool assembly is adopted to apply proper pressure to the top of the hinge shaft of the butterfly spring hinge 22, the angles of the two hinge arms X, Y of the butterfly spring hinge 22 are adjusted, when the side edge part of the flexible fabric A reaches a proper tensioning state, the angles of the two hinge arms X, Y are fixed through fastening screws on the butterfly spring hinge 22, and then the hinge tool assembly is disassembled.

As shown in fig. 2, the first assembly 23 includes a head 231, a threaded shaft portion 232 fixedly connected to the head 231, and an end cap nut 233 fixedly connected to a lower end portion of the threaded shaft portion 232; the end cap nut 233 abuts the top of the hinge shaft of the belleville spring hinge 22.

As shown in fig. 2, the hinge tooling assembly further includes a nut member (not labeled); the nut member includes a nut portion 241 threadedly engaged with the threaded shaft portion 232 and a fixing extension 242 fixedly connected with the nut portion 241, the fixing extension 242 being fixedly connected with the body section bar 10.

During specific operation, an operator rotates the head of the first assembly 23, so that the threaded rod portion 232 axially moves under the cooperation of the nut portion 241 of the nut member, and the end cap nut 233 is driven to axially move, thereby achieving the purposes of adjusting the pressure applied to the top of the hinge shaft of the belleville spring hinge 22 and adjusting the angles of the two hinge arms X, Y of the belleville spring hinge 22.

In the present embodiment, as shown in fig. 2, the fixing extension 242 of the nut member is fixedly connected to the body section 10 by the fixing fittings 25 (bolt and nut). Specifically, as shown in fig. 2, the main sectional material 10 is provided with a T-shaped groove (not shown) for mounting the fixing member 25.

When the side edge part of the flexible fabric A reaches a proper tensioning state and the angle adjustment of the two hinge arms X, Y of the belleville spring hinge 22 is completed, the hinge tool assembly (the first assembly 23, the nut member and the fixed fitting 25) can be disassembled and removed; a schematic cross-sectional view of tensioner 1 with the hinge tooling assembly removed is shown in fig. 3.

It should be understood that although the present description refers to embodiments, not every embodiment contains only a single technical solution, and such description is for clarity only, and those skilled in the art should make the description as a whole, and the technical solutions in the embodiments can also be combined appropriately to form other embodiments understood by those skilled in the art.

The above-listed detailed description is only a specific description of a possible embodiment of the present invention, and they are not intended to limit the scope of the present invention, and equivalent embodiments or modifications made without departing from the technical spirit of the present invention should be included in the scope of the present invention.

Claims

1. A overspeed device tensioner for flexible surface fabric which characterized in that: the tensioning device is arranged at the side part of the flexible fabric and used for tensioning the flexible fabric,

the tensioning device comprises a main body profile;

2. The tensioner as in claim 1, wherein:

the fixed structure is an accommodating cavity arranged inside the arc abutting part; the free end part of the side part is fixedly connected with a protruding edge strip, and the protruding edge strip is matched with the accommodating cavity in a clamping mode.

3. The tensioner as in claim 2, wherein:

the tensioning device also comprises an adjusting mechanism for adjusting the tensioning state of the side edge part of the flexible fabric.

4. The tensioner as in claim 3, wherein:

the adjusting mechanism comprises a sliding block and a belleville spring hinge;

5. The tensioner as in claim 4, wherein:

and fastening screws for fixing the angles of the two hinge arms are arranged on the butterfly spring hinges.

6. The tensioner as in claim 5, wherein:

the adjusting mechanism further comprises a hinge tool assembly detachably connected with the main body section;

the hinge tool assembly comprises a first assembly which is abutted to the top of a hinge shaft of the butterfly spring hinge.

7. The tensioner as in claim 6, wherein:

the first assembly comprises a head part, a threaded rod part fixedly connected with the head part and an end cover nut fixedly connected with the lower end part of the threaded rod part in a threaded manner; the end cover screw cap is abutted against the top of a hinge shaft of the butterfly spring hinge;