CN220032769U

CN220032769U - Ribbon connecting device and D-shaped spring thereof

Info

Publication number: CN220032769U
Application number: CN202321708254.XU
Authority: CN
Inventors: 陈佳宇; 陈文韬
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-06-30
Filing date: 2023-06-30
Publication date: 2023-11-17
Anticipated expiration: 2033-06-30

Abstract

The utility model relates to a ribbon connecting device and a D-shaped spring thereof, wherein the connecting device comprises a ribbon body and a connecting body, the ribbon body is in a strip shape, and the ribbon body is provided with first teeth or first holes; the connecting body is provided with a threading hole, and the threading hole is internally provided with second teeth; an elastomer or a shape memory member is arranged in the threading hole; when the belt body passes through the belt penetrating hole, the elastic body or the shape memory member pushes the belt body to displace, so that the first tooth and the second tooth of the belt body are in meshed connection; alternatively, the first hole of the belt body is in snap-fit connection with the second tooth; the surface of the connecting body is provided with a second hole through which a finger can push the belt body to reversely displace; or the tool is used for pushing the belt body to reversely displace through the second hole, so that the connection between the belt body and the connecting body is released. The D-shaped spring is bent into a D-shaped structure from a resilient metal sheet. The utility model can be connected or loosened quickly, can also carry out bidirectional adjustment of tightness, is suitable for being used as shoelaces or wearable equipment, can realize one-hand tightening or loosening, and is very convenient to use.

Description

Ribbon connecting device and D-shaped spring thereof

Technical Field

The utility model relates to the technical field of ties, in particular to a tie connecting device which is convenient and quick to connect and can be loosened quickly and a D-shaped spring thereof.

Background

Chinese patent No. 200410100621.3 discloses a high performance cable tie comprising an elongate strap and a head extending from one end of the strap, the strap and pawl teeth each having a convex portion which engage each other as the strap is inserted through the head, the strap and pawl teeth each also having planar portions which engage each other to resist withdrawal of the strap from the head, the jaw surfaces between the outlet end of the passageway and the pawl teeth adjacent thereto having a concave portion which engages the convex portion of the opposing strap tooth as the pawl pivots in response to withdrawal of the strap from the head, such pivoting of the pawl being limited by a heel which engages the inner surface of the head. Above-mentioned ribbon can only be drawn tightly unidirectionally, can not reverse the back and draw, and the article that ties up through the ribbon is inconvenient to detach, if need dismantle usually cut the ribbon, can not used repeatedly the ribbon.

The prior art commonly used band is generally used for binding or connecting objects, the band comprises a band body which is arranged in an elongated shape, one surface of the band body is provided with teeth which are arranged continuously and are parallel to each other, one end of the band body is a free end, the other end of the band body is provided with a base end for buckling and preventing loosening, the thickness of the band is about 1 millimeter, and the distance between two adjacent teeth is usually 1 to 2 millimeters. The plastic binding belt can be tightened only in one direction and cannot be loosened, so that the plastic binding belt has no function of bidirectionally adjusting tightness.

Devices for tying or adjusting tightness of existing shoes, garments, etc. generally include laces, elastic bands or velcro. The elastic band is made of rubber, the adjusting range is smaller, and the elasticity of the elastic band in the stretching process can be gradually increased. The elastic bands of the trousers are too tight, which can cause uncomfortable feeling to people and even influence the blood circulation of human body, thus damaging health. The elastic band is too loose and cannot play a role in the proper process, and the elastic rubber strip of the elastic band is easy to age and lose the effect of adjusting the tightness.

The nylon fastener tape has larger thickness, and the surface of the nylon fastener tape is easy to be wound or adhered with pollutants such as fiber, thereby reducing the adhesive strength of the nylon fastener tape. The prior shoelace is tied by tying a knot, the shoelace knot is easy to loosen, and the tightness of the shoe is inconvenient to adjust.

The wearable devices such as the prior intelligent watch and the intelligent bracelet are generally connected by adopting the traditional watchband or the silica gel toothed belt, so that the connection is inconvenient, and the tightness of the watchband is generally inconvenient to accurately adjust.

Disclosure of Invention

The utility model aims to provide a ribbon connecting device which is convenient and quick to connect and can be quickly loosened and a D-shaped spring thereof. The ribbon connecting device can carry out bidirectional adjustment of tightness, and is convenient to use.

The aim of the utility model is realized by adopting the following technical scheme:

the ribbon connecting device comprises a ribbon body and a connecting body, wherein the ribbon body is in a strip shape, and is provided with first teeth; alternatively, the belt body is provided with a first hole;

the connecting body is provided with a threading hole, and one side of the inner surface of the threading hole is provided with a second tooth matched with the first tooth or the first hole; an elastomer or a shape memory member is arranged on the other side surface of the threading hole relative to the second tooth;

when the belt body passes through the belt penetrating hole, the elastic body or the shape memory member pushes the belt body to displace in the belt penetrating hole, so that the first tooth of the belt body is meshed with the second tooth; alternatively, the first hole of the belt body is in snap-fit connection with the second tooth;

the surface of the connector is provided with a second hole which is arranged on the opposite surface of the elastic body or the shape memory component;

the operator can push the belt body to reversely displace through the second hole by using the finger; or pushing the belt body to reversely displace through the second hole by using a special tool, so as to release the meshing connection of the first tooth and the second tooth of the belt body; alternatively, the snap-in connection of the first hole of the belt body with said second tooth is released.

As a preferable technical scheme of the utility model, the belt body is of a strip shape with a rectangular section, and at least one side surface of the belt body is provided with a plurality of first teeth.

As a preferable technical scheme of the utility model, the belt body is in a flat strip shape with a rectangular section, and a plurality of first teeth are symmetrically arranged on two sides of the belt body;

the first teeth include triangular teeth, trapezoidal teeth, arcuate teeth, rectangular teeth, or cylindrical teeth.

As a preferable technical scheme of the utility model, the special tool comprises a key arranged in a second hole of the connecting body, the upper end of the key is smaller than the lower end of the key, and the bottom area of the lower end of the key is larger than or equal to the area of the second hole.

The key can reciprocate up and down in the second hole.

As the preferable technical scheme of the utility model, the key consists of a key body and a limit convex edge arranged on the bottom surface of the key body;

the key body of the key passes through the second hole, the upper end of the key body extends out of the outer surface of the connecting body, and the belt body is arranged between the bottom surface of the key body and the elastic body or the shape memory member in a penetrating way;

the upper end of the key body is pressed to push the belt body to displace in the direction perpendicular to the axis of the belt penetrating hole.

As a preferable technical scheme of the utility model, the special tool comprises a pressing block, the surface of the pressing block is provided with convex teeth matched with the second hole, the convex teeth can extend into the second hole, and the height of the convex teeth is larger than the depth of the second hole.

As a preferable technical scheme of the utility model, the surface of the connecting body is provided with a plurality of second holes, the surface of the pressing block is correspondingly provided with a plurality of convex teeth, and the convex teeth of the pressing block can push the belt body to move in the direction perpendicular to the axis of the belt penetrating hole through the second holes.

As a preferred embodiment of the present utility model, the elastic body includes a plastic, rubber or metal member having elasticity; the metal member comprises a spring and an elastic metal sheet; the shape memory member is made of plastic, rubber or metal having elastic or flexible properties.

As a preferable technical scheme of the utility model, the end part of the belt body is provided with a limiting block, and after the belt body passes through the belt threading hole, the limiting block can prevent the end part of the belt body from retreating into the belt threading hole;

the limiting block is arranged in a conical shape, a wedge shape or an arrow shape, one end of the limiting block is larger than the other end of the limiting block;

the great one end of stopper is equipped with the recess, presses the side of recess, can make the great one end of stopper produce elastic deformation, loosens the back stopper and resumes initial shape.

The D-shaped spring is formed by bending a metal sheet or a metal wire with elasticity, one end of the D-shaped spring, which is provided with a straight edge, is a mounting fixed end, the other end of the D-shaped spring, which is provided with an arc edge, is a telescopic free end, and a non-contact or non-fixed connection structure is arranged between the free end and the fixed end;

when the D-shaped spring works after being installed, the working surface where the arc-shaped side is positioned is used for receiving external force, the arc-shaped working surface is bent and deformed in the direction perpendicular to the straight side after being stressed, and the free end slides in a plane parallel to the straight side. After the external force is removed, the D-shaped spring is restored to the original shape after installation.

The utility model has the beneficial effects that: compared with the prior art, the connecting device has the advantages that the elastic body or the shape memory member arranged in the threading hole keeps the connecting state of the belt body and the connecting body, and the connection between the belt body and the connecting body can be released by pressing or pushing the belt body to reversely displace through the finger of an operator or a special tool.

The belt body and the connecting body can adopt a tooth-to-tooth meshing connection mode and a hole-to-tooth buckle connection mode, and the application field is wide.

The D-shaped spring is suitable for places with smaller working space, the end part of the D-shaped spring adopts a non-contact opening mode or adopts a non-fixed connection structure, and the opening is enlarged or the end part is opened to generate elasticity, so that the D-shaped spring is conveniently buckled and installed in a threading hole of a connecting body, and the installation is convenient.

The ribbon connecting device can be connected and loosened quickly, can also be used for bidirectional adjustment of tightness, and is particularly suitable for adjusting a section of relatively fixed telescopic length. For example as a waistband; a shoelace; gloves, hats, helmets, masks, watches, and straps for wearable devices. The belt body and the connecting body adopt proper tooth-shaped structures, so that the operation of tensioning or loosening by one hand can be realized, and the use is very convenient.

Drawings

FIG. 1 is a schematic view of a first embodiment of the present utility model;

FIG. 2 is a cross-sectional view of a belt body according to an embodiment of the present utility model through a belt threading aperture;

FIG. 3 is a schematic diagram of a second embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a second embodiment of the present utility model with a second strap inserted through the strap opening;

FIG. 5 is a schematic diagram of a second embodiment of the present utility model;

FIG. 6 is a bottom view of FIG. 5;

FIG. 7 is a schematic view of a third embodiment of the present utility model;

FIG. 8 is a cross-sectional view of the connector at A in FIG. 7;

FIG. 9 is a cross-sectional view of the stop block at B in FIG. 7;

FIG. 10 is a cross-sectional view of a third embodiment of the present utility model with a third strap inserted through the strap opening;

FIG. 11 is a schematic view showing a structure in which a fourth belt body passes through a belt penetrating hole according to an embodiment of the present utility model;

FIG. 12 is a C-C cross-sectional view of FIG. 11;

FIG. 13 is a D-D sectional view of FIG. 11;

FIG. 14 is a schematic diagram of the key press of FIG. 13;

FIG. 15 is a front view of the inner surface of the top cover of the fourth connector of the present utility model;

FIG. 16 is a front view of the inner surface of a base plate of a fourth interface in accordance with an embodiment of the present utility model;

fig. 17 is a schematic view of the structure of the D-shaped spring of the present utility model.

In the figure: 1. a belt body; 2. a connecting body; 3. a first hole; 4. a second hole; 5. a first tooth; 6. a second tooth; 7. a D-shaped spring; 8. a shape memory member; 9. threading the belt holes; 10. a limiting block; 11. a groove; 12. a key; 13. pressing the blocks; 14. convex teeth; 21. an upper cover; 22. a bottom plate; 23. the spring seat, 24, the chute; 25. a receiving hole; 71. straight edges; 72. arc-shaped edges.

Detailed Description

The utility model is further described with reference to the drawings and the specific embodiments below:

example 1

As shown in fig. 1 and 2, a band connecting device comprises a band body 1 and a connecting body 2, wherein the band body 1 is provided with a long strip shape, and the band body 1 is provided with a first hole 3; the connecting body 2 is provided with a threading hole 9, and one side of the inner surface of the threading hole 9 is provided with a second tooth 6 matched with the first hole 3; the other side of the threading hole 9 opposite to the second tooth 6 is provided with an elastomer. The elastic body comprises a plastic, rubber or metal member with elasticity; the metal member includes a spring and an elastic metal sheet. The belt body 1 and the connecting body 2 can adopt a mutually independent split structure and an integral structure which is mutually connected.

The elastic body of the embodiment adopts a D-shaped spring 7,D, the D-shaped spring 7 is formed by bending an elastic metal sheet, one end of the D-shaped spring 7 is embedded in the inner wall of the threading hole 9, and the other end is a free end capable of sliding back and forth on the inner surface of the threading hole 9. The surface of the connecting body 2 is provided with a second hole 4, and the second hole 4 is arranged on the opposite surface of the D-shaped spring 7.

When the belt body 1 passes through the belt penetrating hole 9, the D-shaped spring 7 pushes the belt body 1 to displace in the belt penetrating hole 9, so that the first hole 3 of the belt body 1 and the second tooth 6 form a buckle type connection.

In this embodiment, the second hole 4 is formed in an oval shape through which the finger of the operator can pass, and the finger pushes the belt body 1 through the second hole 4 to reversely displace, so that the snap-fit connection between the first hole 3 of the belt body 1 and the second tooth 6 can be released.

Example two

As shown in fig. 3 to 6, a band connecting device includes a band body 1 and a connecting body 2, the band body 1 is provided in a long strip shape having a rectangular cross section, and one side surface of the band body 1 is provided with a plurality of first teeth 5.

The connecting body 2 is provided with a threading hole 9, and one side of the inner surface of the threading hole 9 is provided with a second tooth 6 matched with the first tooth 5; the other side of the threading hole 9 opposite to the second tooth 6 is provided with an elastomer.

When the belt body 1 passes through the belt penetrating hole 9, the D-shaped spring 7 pushes the belt body 1 to displace in the belt penetrating hole 9, so that the first teeth 5 and the second teeth 6 of the belt body 1 form meshed connection.

The connector 2 of this embodiment is provided with four second holes 4 and is also provided with a special tool matched with the connector 2. The special tool in this embodiment is a pressing block 13, four convex teeth 14 matched with the four second holes 4 are arranged on the surface of the pressing block 13, the convex teeth 14 can extend into the second holes 4, and the height of the convex teeth 14 is greater than the depth of the second holes 4.

In use, the convex teeth 14 of the pressing block 13 penetrate through the second hole 4 and are further pushed, so that the belt body 1 can be pushed to displace in the direction perpendicular to the axis of the belt penetrating hole 9, and the meshing connection of the first teeth 5 and the second teeth 6 of the belt body 1 is released.

Example III

As shown in fig. 7 to 10, a band connecting device comprises a band body 1 and a connecting body 2, wherein the band body 1 is in a flat strip shape with a rectangular section, and a plurality of first teeth 5 are symmetrically arranged on two sides of the band body 1; the first teeth 5 comprise triangular teeth, trapezoidal teeth, curved teeth, rectangular teeth or cylindrical teeth.

The connecting body 2 is provided with a threading hole 9, and one side of the inner surface of the threading hole 9 is provided with a second tooth 6 matched with the first tooth 5 of the belt body 1; the other side surface of the threading hole 9, which is opposite to the second tooth 6, is provided with a shape memory member 8, and the bottom surface of the connecting body 2 is provided with a receiving hole 25 for receiving the shape memory member 8 after bending deformation. The shape memory member 8 is made of plastic, rubber or metal having elastic or flexible properties.

In this embodiment, the belt body 1 and the connecting body 2 are both made of plastic, the shape memory member 8 is also made of plastic, the included angle between the shape memory member 8 and the inner surface of the belt penetrating hole 9 is smaller than 90 degrees, and the shape memory member 8 can recover to the initial angle after being pressed and released by external force.

When the belt body 1 passes through the belt penetrating hole 9, the shape memory member 8 pushes the belt body 1 to displace in the belt penetrating hole 9, so that the first teeth 5 and the second teeth 6 of the belt body 1 form meshed connection.

The connecting body 2 is provided with a second hole 4 through which an operator can pass, and the first tooth 5 of the belt body 1 and the second tooth 6 can be released by pushing the belt body 1 to reversely displace by the finger through the second hole 4.

In this embodiment, the end of the belt body 1 is provided with a stopper 10, and after the belt body 1 passes through the belt threading hole 9, the stopper 10 can prevent the end of the belt body 1 from retreating into the belt threading hole 9. The limiting block 10 is in an arrow shape with one end larger than the other end; the larger one end of stopper 10 is equipped with recess 11, presses the side of recess 11, can make the great one end of stopper 10 produce elastic deformation, loosens the back stopper 10 and resumes initial shape.

With reference to the first embodiment or the second embodiment of the present utility model, different implementations may also be adopted in this embodiment. For example, the shape memory member 8 is changed to the D-shaped spring, and the operator can push the side surface of the groove 11 of the stopper 10 with a finger to retract the stopper 10 and the end of the tape body 1 into the tape threading hole 9. This embodiment is particularly suitable for use as a shoelace; and glove, hat, helmet or connecting strap of a wearable device. The utility model can also be used for binding and fixing special articles, and the phenomenon that the belt body and the connecting body are suddenly and completely separated can not occur when the belt body is loosened, so that the articles are prevented from being scattered or falling off, and the safety and the reliability are improved.

Example IV

As shown in fig. 11 to 16, a band connecting device comprises a band body 1 and a connecting body 2, wherein the band body 1 is in a flat strip shape with a rectangular section, and a plurality of first teeth 5 are symmetrically arranged on two sides of the band body 1; the first teeth 5 comprise triangular teeth, trapezoidal teeth, curved teeth, rectangular teeth or cylindrical teeth.

The connecting body 2 is provided with a threading hole 9, and one side of the inner surface of the threading hole 9 is provided with a second tooth 6 matched with the first tooth 5 of the belt body 1; the other side of the threading hole 9 opposite to the second tooth 6 is provided with an elastomer.

The elastic body of the embodiment adopts a D-shaped spring 7,D-shaped spring 7 which is formed by bending an elastic metal sheet into a D-shaped structure; the surface of the connector 2 is provided with a second hole 4, and the second hole 4 is arranged on the opposite surface of the D-shaped spring 7; a special tool for pushing the belt body 1 to move is arranged in the second hole 4.

In this embodiment, the special tool is a key 12 disposed in the second hole 4 of the connector, the upper end of the key 12 is smaller than the lower end thereof, the bottom area of the lower end of the key 12 is larger than or equal to the area of the second hole 4, and the key 12 can reciprocate up and down in the second hole 4.

The key 12 consists of a key body and a limit convex edge arranged on the bottom surface of the key body; the key body of the key 12 passes through the second hole 4, the upper end of the key body extends out of the outer surface of the connecting body 2, and the belt body 1 is arranged between the bottom surface of the key body and the D-shaped spring 7 in a penetrating way; the upper end of the key body is pressed to push the belt body 1 to displace in the direction perpendicular to the axis of the belt penetrating hole 9, so that the engagement connection between the first teeth 5 and the second teeth 6 of the belt body 1 is released.

In this embodiment, the connector 2 is composed of an upper cover 21 and a bottom plate 22, the surface of the bottom plate 22 is provided with a spring seat 23 and a chute 24, the spring seat 23 and the chute 24 are both in a concave structure, one end of the D-shaped spring 7 is embedded in the spring seat 23 of the bottom plate 22, the other end is provided with a free end capable of sliding back and forth in the chute 24, and the D-shaped spring 7 is provided with an arc-shaped working surface. The upper cover 21 of the connector 2 is preferably detachably connected with the bottom plate 22, such as a snap-fit connection, a screw connection, or a connection adopting a bolt and a nut; a fixed connection mode of welding or gluing can also be adopted.

Example five

As shown in fig. 17, a D-shaped spring for a tie-bar connecting device, the spring is formed by bending a metal sheet or a metal wire with elasticity to form a D-shaped structure, one end of the D-shaped spring 7 provided with a straight edge 71 is a mounting fixed end, the other end provided with an arc edge 72 is a telescopic free end, and a non-contact or non-fixed connection structure is arranged between the free end and the fixed end.

The end of the D-shaped spring 7 of this embodiment adopts a non-contact opening manner, and the expansion of the opening generates an elastic force, thereby facilitating the installation of the D-shaped spring 7 into the spring seat of the strap connecting device.

When the D-shaped spring 7 works after being installed, the working surface of the arc-shaped side 72 is used for receiving external force, the arc-shaped working surface is bent and deformed in the direction perpendicular to the straight side 71 after being stressed, and the free end slides in the plane parallel to the straight side 71; after the external force is removed, the D-shaped spring 7 returns to the original shape after installation.

The above examples are only for illustrating the concept and technical features of the present utility model, and are intended to enable those skilled in the art to understand the technical scheme and embodiments of the present utility model, and thus, the scope of the present utility model is not limited thereto. All equivalent substitutions or equivalent changes according to the technical proposal of the utility model are covered in the protection scope of the utility model. All the meanings of "including" in the claims and specification of the present utility model are equivalent to "including without limitation".

Claims

1. A ribbon connecting device, includes the area body and connector, characterized by: the belt body is in a strip shape and is provided with first teeth; alternatively, the belt body is provided with a first hole;

2. The strap-connecting device of claim 1, wherein: the belt body is of a strip shape with a rectangular section, and at least one side surface of the belt body is provided with a plurality of first teeth.

3. The strap-connecting device of claim 2, wherein: the belt body is in a flat strip shape with a rectangular section, and a plurality of first teeth are symmetrically arranged on two sides of the belt body;

4. The strap-connecting device of claim 1, wherein: the special tool comprises a key arranged in a second hole of the connecting body, the upper end of the key is smaller than the lower end of the key, and the bottom area of the lower end of the key is larger than or equal to the area of the second hole.

5. The strap attachment device of claim 4 wherein: the key consists of a key body and a limit convex edge arranged on the bottom surface of the key body;

6. The strap-connecting device of claim 1, wherein: the special tool comprises a pressing block, wherein the surface of the pressing block is provided with convex teeth matched with the second holes, the convex teeth can extend into the second holes, and the height of the convex teeth is larger than the depth of the second holes.

7. The strap attachment device of claim 6 wherein: the surface of the connecting body is provided with a plurality of second holes, the surface of the pressing block is correspondingly provided with a plurality of convex teeth, and the convex teeth of the pressing block can push the belt body to displace in the direction perpendicular to the axis of the belt penetrating hole through the second holes.

8. The strap-connecting device of claim 1, wherein: the elastic body comprises a plastic, rubber or metal member with elasticity; the metal member comprises a spring and an elastic metal sheet; the shape memory member is made of plastic, rubber or metal having elastic or flexible properties.

9. The strap-connecting device of claim 1, wherein: the end part of the belt body is provided with a limiting block, and after the belt body passes through the belt penetrating hole, the limiting block can prevent the end part of the belt body from retreating into the belt penetrating hole;

10. A D-spring for use in a strap attachment device according to any one of claims 1 to 9, wherein: the spring is formed by bending an elastic metal sheet or metal wire into a D-shaped structure, one end of the D-shaped spring, provided with a straight edge, is a mounting fixed end, the other end of the D-shaped spring, provided with an arc edge, is a telescopic free end, and the free end and the fixed end are in a non-contact or non-fixed connection structure;

when the D-shaped spring works after being installed, the working surface where the arc-shaped side is positioned is used for receiving external force, the arc-shaped working surface is bent and deformed in the direction perpendicular to the straight side after being stressed, and the free end slides in a plane parallel to the straight side.