CN219373918U - Elastic band tensioning mechanism - Google Patents

Abstract

The utility model discloses an elastic belt tensioning mechanism, which comprises an elastic belt and a tensioning shell and is characterized in that: set up the rotary disk in the taut shell, the rotary disk inboard is fixed with two lugs, the elastic cord alternates between two lugs, the outer end surface mounting of rotary disk has T shape axle piece, the joint dish is equipped with outward to T shape axle piece, the joint dish joint adopts the rotary disk structure at the surface of taut shell, rotatable taut elastic cord, can roll up the elastic cord one section in the taut shell, is convenient for take in, and the surface is not protruding, improves aesthetic property, and it is convenient to use.

Description

Elastic band tensioning mechanism

Technical Field

The utility model relates to the field of elastic band tensioning, in particular to an elastic band tensioning mechanism.

Background

The elastic band is also called an elastic line, an elastic line and a thin point which can be used as a clothing auxiliary material bottom line, is particularly suitable for underwear, trousers, infant clothing and the like, and is required to be tensioned when the elastic band is used for a long time and is required to be tensioned when an elastic tensioning mechanism is required to be used;

in the prior elastic belt tensioning device, as disclosed in CN 217161191U, the elastic belt tensioning device comprises an elastic belt, wherein one end of the elastic belt is provided with the tensioning device, the other end of the elastic belt is provided with a plurality of mounting holes matched with the tensioning device in an equidistant manner, the tensioning device comprises a tensioning head, the middle part of the tensioning head is fixedly connected with a separation plate, the separation plate divides the tensioning head into a bottom cavity and a top cavity, one side of the top of the tensioning head is hinged with a closing plate, the bottom of the closing plate is provided with a busbar, the bottom of the busbar is provided with a plurality of busbar heads in an equidistant manner, the bottom of the tensioning head is provided with a busbar seat, the busbar seat is provided with a plurality of jacks matched with the busbar heads in an equidistant manner, and row pins matched with the busbar heads are arranged in the jacks, so that the elastic belt can be tensioned effectively, the inner diameter of the annular elastic belt is reduced, looseness is avoided, the elastic belt is not required to be replaced, the waste of materials is avoided, the tensioning device is simple in structure and convenient to use, and the production cost is low;

in the above-mentioned prior art patent, can the elastic cord, however, the adoption is alternate formula pulling joint structure, and such structure need look for the elastic cord head when pulling the elastic cord, and after the pulling, the elastic cord head has prolonged, can bulge outside influence pleasing to the eye to press against the skin, it is not enough convenient to use.

Disclosure of Invention

Aiming at the problems in the prior art, the utility model aims to provide the elastic belt tensioning mechanism which adopts a rotary disk structure, can rotationally tension the elastic belt, can roll up a section of the elastic belt in a tensioning shell, is convenient to tension and store, has no protruding surface, improves the aesthetic property and is convenient to use.

In order to solve the problems, the utility model adopts the following technical scheme.

The utility model provides an elastic cord straining device, includes elastic cord, taut shell, its characterized in that: set up the rotary disk in the taut shell, the rotary disk inboard is fixed with two lugs, the elastic cord alternates between two lugs, the outer end surface mounting of rotary disk has T shape axle piece, the joint dish is equipped with outward to T shape axle piece, the joint dish joint adopts the rotary disk structure at the surface of taut shell, rotatable taut elastic cord, can roll up the elastic cord one section in the taut shell, is convenient for take in, and the surface is not protruding, improves aesthetic property, and it is convenient to use.

Further, the T-shaped shaft block is inserted on the inner side surface of the tensioning shell, the outer end surface of the T-shaped shaft block is provided with a positioning bulge, the outer surface of the positioning bulge is sleeved with a clamping disc, triangular clamping blocks are arranged on two sides of the clamping disc, and the triangular clamping blocks are clamped on the inner side surface of the tensioning shell.

Further, the outside of taut shell sets up the triangle draw-in groove, and triangle draw-in groove round distributes, and triangle fixture block joint is in the triangle draw-in groove.

Further, the outer surface of the T-shaped shaft block is sleeved with a pressure spring, and the pressure spring extrudes the clamping disc.

Furthermore, the two sides of the triangular clamping blocks are distributed, and the two triangular clamping blocks are designed in a positive and negative way.

Further, the corner of the tightening shell is rounded, so that the skin cannot be damaged.

Further, the outer surface of the T-shaped shaft block is covered with a rubber layer, friction force is increased during twisting, fingers are convenient to twist, and slipping is avoided.

Compared with the prior art, the utility model has the advantages that:

(1) Adopt rotary disk structure, rotatable taut elastic cord can roll up one section in taut shell with the elastic cord, and be convenient for take-up, the surface is not protruding, improves the aesthetic property, uses portably.

(2) T-shaped shaft blocks are inserted on the inner side surface of the tensioning shell, positioning protrusions are arranged on the outer end surface of each T-shaped shaft block, clamping discs are sleeved on the outer surfaces of the positioning protrusions, triangular clamping blocks are arranged on the two sides of each clamping disc and are clamped on the inner side surface of the tensioning shell, triangular clamping grooves are formed in the outer side of the tensioning shell and distributed in a circle, the triangular clamping blocks are clamped in the triangular clamping grooves, when the tensioning shell is twisted, the clamping discs can be driven to rotate, the triangular clamping blocks of the triangular clamping blocks are clamped in the triangular clamping grooves in a jumping mode, so that protruding blocks can be driven to rotate to wind an elastic band, and the elastic band can be tensioned.

(3) The outer surface of the T-shaped shaft block is covered with a rubber layer, so that friction force is increased during twisting, fingers are convenient to twist, and the T-shaped shaft block does not slip.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a side cross-sectional view of the overall structure of the present utility model;

FIG. 3 is an enlarged view of the utility model at A;

FIG. 4 is a side view of the triangle clamping block and clamping disc distribution relationship of the present utility model;

FIG. 5 is a rear view of a partial structure of a cam latch and a latch plate according to the present utility model;

fig. 6 is a top view showing the distribution relationship between the triangular clamping groove and the tightening shell.

The reference numerals in the figures illustrate:

1 elastic belt, 2 tensioning shell, 3 rotary disk, 4 lug, 5T-shaped axle block, 6 clamping disk, 60 triangle clamping block, 50 positioning bulge, 20 triangle clamping groove and 7 pressure spring.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1-6, an elastic belt tensioning mechanism comprises an elastic belt 1 and a tensioning shell 2, wherein a rotary disk 3 is arranged in the tensioning shell 2, two protruding blocks 4 are fixed on the inner side of the rotary disk 3, the elastic belt 1 is inserted between the two protruding blocks 4, a T-shaped shaft block 5 is fixed on the outer end surface of the rotary disk 3, a clamping disk 6 is arranged outside the T-shaped shaft block 5, and the clamping disk 6 is clamped on the outer surface of the tensioning shell 2;

the corner of the tensioning shell 2 is rounded, so that skin cannot be damaged, and the outer surface of the T-shaped shaft block 5 is covered with a rubber layer, so that friction force during twisting is increased;

when the elastic belt tensioning device is used, the T-shaped shaft block 5 is twisted to rotate, the rotary disk 3 can be driven to rotate, the lug 4 can be driven to clamp the elastic belt 1 to rotate, the elastic belt 1 can be wound and wound, tension can be conveniently adjusted, the wound elastic belt 1 is not protruded, and is stored in the tensioning shell 2, so that the attractiveness is improved.

Example 2

Referring to fig. 1-6, an elastic belt tensioning mechanism comprises an elastic belt 1 and a tensioning shell 2, wherein a rotary disk 3 is arranged in the tensioning shell 2, two protruding blocks 4 are fixed on the inner side of the rotary disk 3, the elastic belt 1 is inserted between the two protruding blocks 4, a T-shaped shaft block 5 is fixed on the outer end surface of the rotary disk 3, a clamping disk 6 is arranged outside the T-shaped shaft block 5, and the clamping disk 6 is clamped on the outer surface of the tensioning shell 2;

the T-shaped shaft block 5 is inserted into the inner side surface of the tensioning shell 2, the outer end surface of the T-shaped shaft block 5 is provided with a positioning protrusion 50, the outer surface of the positioning protrusion 50 is sleeved with a clamping disc 6 (when the T-shaped shaft block 5 rotates, the positioning protrusion 50 can drive the clamping disc 6 to rotate and is convenient to position), two sides of the clamping disc 6 are provided with triangular clamping blocks 60, two sides of the triangular clamping blocks 60 are distributed, the two triangular clamping blocks 60 are designed in a positive-negative way, the triangular clamping blocks 60 are clamped on the inner side surface of the tensioning shell 2, the outer side of the tensioning shell 2 is provided with triangular clamping grooves 20, the triangular clamping grooves 20 are distributed in a circle, the triangular clamping blocks 60 are clamped in the triangular clamping grooves 20, and the outer surface of the T-shaped shaft block 5 is sleeved with a pressure spring 7 which extrudes the clamping disc 6;

when in use, the pressure spring 7 extrudes the clamping disc 6 to drive the triangular clamping block 60 to be clamped outside the triangular clamping groove 20, and when the elastic band is rotationally wound, the triangular clamping block 60 of the clamping disc 5 can be driven to jump and clamp in the triangular clamping groove 20, and when the elastic band is not wound, the clamping disc 5 can reversely rotate the sliding wire, so that the rotating disc 3 can not reversely rotate the sliding wire, the clamping and positioning can be realized, the clamping and clamping device is more compact in twisting, the use is convenient, and the operation is convenient;

and when the elastic band 1 is loosened, the clamping disc 6 can be pulled outwards, the triangular clamping block 60 can be separated from the triangular clamping groove 20, at the moment, the release connection can be realized, the rotating disc 3 can be rotated reversely, the elastic band 1 can be loosened, and the use and the operation are convenient.

The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.

Claims (7)

1. The utility model provides an elastic cord tensioning mechanism, includes elastic cord (1), taut shell (2), its characterized in that: set up rotary disk (3) in taut shell (2), rotary disk (3) inboard is fixed with two lugs (4), elastic cord (1) alternate between two lugs (4), the outer end surface of rotary disk (3) is fixed with T shape axle piece (5), be equipped with joint dish (6) outward from T shape axle piece (5), joint dish (6) joint is at the surface of taut shell (2).

2. An elastic tensioning mechanism according to claim 1, wherein: the T-shaped shaft block (5) is inserted into the inner side surface of the tensioning shell (2), the outer end surface of the T-shaped shaft block (5) is provided with a positioning protrusion (50), the outer surface of the positioning protrusion (50) is sleeved with a clamping disc (6), two sides of the clamping disc (6) are provided with triangular clamping blocks (60), and the triangular clamping blocks (60) are clamped on the inner side surface of the tensioning shell (2).

3. An elastic tensioning mechanism according to claim 2, wherein: the outside of taut shell (2) sets up triangle draw-in groove (20), and triangle draw-in groove (20) round distributes, and triangle fixture block (60) joint is in triangle draw-in groove (20).

4. An elastic tensioning mechanism according to claim 1, wherein: the outer surface of the T-shaped shaft block (5) is sleeved with a pressure spring (7), and the pressure spring (7) extrudes the clamping disc (6).

5. An elastic tensioning mechanism according to claim 2, wherein: the two sides of the triangular clamping blocks (60) are distributed, and the two triangular clamping blocks (60) are designed in a positive and a negative way.

6. An elastic tensioning mechanism according to claim 1, wherein: and the corner of the tensioning shell (2) is rounded.

7. An elastic tensioning mechanism according to claim 1, wherein: the outer surface of the T-shaped shaft block (5) is covered with a rubber layer.