CN219556501U - Quick tripping structure - Google Patents

Abstract

The utility model discloses a quick release structure, which comprises a fixing piece, a snap piece, a first spring and a lock pin, wherein one end of the snap piece is hinged with the fixing piece, a bayonet is formed at the other end of the snap piece, two ends of the first spring are respectively abutted against the upper surface of the fixing piece and the lower surface of the snap piece so as to provide pre-elastic force for the distance between one end of the snap piece, which is provided with the bayonet, and the fixing piece, and the lock pin is provided with the lock pin and an operation part; the fixing piece is provided with an installation cavity and a locking notch communicated with the installation cavity, the lock pin is movably installed in the installation cavity, the lock tongue of the lock pin can move in the locking notch, and the lock pin is provided with a buckling position and a disengaging position in the installation cavity; when the lock pin is positioned at the buckling position, the lock tongue of the lock pin stretches into the bayonet through the locking port so as to prevent one end of the hasp piece, which is provided with the bayonet, from being far away from the fixing piece; when the lock pin is positioned at the disengaging position, the lock tongue of the lock pin is separated from the bayonet, and one end of the hasp piece, which is provided with the bayonet, is far away from the fixing piece under the action of the pre-elastic force provided by the first spring.

Description

Quick tripping structure

Technical Field

The utility model relates to the technical field of articles for daily use, in particular to a quick release structure.

Background

In everyday life, many backpacks or waist packs have a strap structure to facilitate carrying the pack around the waist or shoulders of a user with straps. However, the prior art strap is often fastened by a buckle, and the strap cannot be conveniently and rapidly unfastened in emergency, although the working length of the strap can be adjusted while the connection stability of the strap and the bag is realized.

Disclosure of Invention

The utility model provides a quick tripping structure which is mainly applied to fastening and tripping of a binding belt and is used for solving the technical problem that only the fastening of the binding belt can be realized and the quick tripping cannot be realized by adopting a Chinese character 'ri' shaped buckle in the prior art.

In order to achieve the above purpose, the quick release structure provided by the utility model comprises a fixing piece, a buckle piece, a first spring and a lock pin, wherein one end of the buckle piece is hinged with the fixing piece, a bayonet is formed at the other end of the buckle piece, two ends of the first spring are respectively abutted against the upper surface of the fixing piece and the lower surface of the buckle piece so as to provide pre-elastic force for the distance between one end of the buckle piece, which is provided with the bayonet, and the fixing piece, and the lock pin is provided with a lock tongue and an operation part;

the fixing piece is provided with a mounting cavity and a locking opening communicated with the mounting cavity, the lock pin is movably mounted in the mounting cavity, a lock tongue of the lock pin can move in the locking opening, and the lock pin is provided with a buckling position and a disengaging position in the mounting cavity;

when the lock pin is positioned at the buckling position, a lock tongue of the lock pin is clamped into the bayonet through the locking port so as to prevent one end of the hasp piece, which is provided with the bayonet, from being far away from the fixing piece;

when the lock pin is positioned at the disengaging position, the lock tongue of the lock pin is disengaged from the bayonet, and one end of the hasp piece, which is provided with the bayonet, is far away from the fixing piece under the action of the pre-elastic force provided by the first spring.

Optionally, the quick release structure further includes a second spring, one end of the second spring is connected with the lock pin, the other end of the second spring is connected with the fixing piece, and the second spring provides an elastic force for the lock pin to return from a disengaged position to a buckled position.

Optionally, the second spring is a compression spring, the lock pin is provided with a compression spring installation shaft, one end of the compression spring is installed on the compression spring installation shaft, and the other end of the compression spring is abutted against the inner wall of the installation cavity.

Optionally, a compression spring mounting hole is formed in the inner wall of the mounting cavity in an inward concave manner, and the other end of the compression spring is mounted in the compression spring mounting hole.

Optionally, the lock tongue is formed with a guiding inclined plane corresponding to the lower edge of the bayonet, so that when one end of the fastener with the bayonet is close to the fixing part, the lower edge of the bayonet can press the guiding inclined plane to enable the lock tongue to retract through the locking opening.

Optionally, the first spring is a torsion spring, one of the fixing piece and the buckle piece is formed with a torsion spring installation shaft, the torsion spring is installed in the torsion spring installation shaft, the torsion spring is provided with two support arms, one of the two support arms is abutted to the upper surface of the fixing piece, and the other support arm is abutted to the lower surface of the buckle piece.

Optionally, an arm fixing groove is formed on the upper surface of the fixing piece, one of the two arms of the torsion spring is installed in the arm fixing groove, and the other arm is abutted against the lower surface of the buckle piece.

Optionally, the fastener is provided with a limiting pin, the fixing piece is provided with a limiting pin groove, the limiting pin moves in the limiting pin groove when the fastener rotates relative to the fixing piece, and the limiting pin groove is matched with the limiting pin to limit the movement stroke of the fastener relative to the fixing piece.

Optionally, a limiting plate is formed on a side edge of the hasp piece, the side edge of the fixing piece is recessed inwards to form the mounting cavity and the locking notch, the limiting plate covers the mounting cavity and the locking notch so as to limit the lock pin in the lateral direction, and an avoidance opening is formed on the limiting plate corresponding to the operation portion of the lock pin.

Optionally, the two sides of the fixing piece are respectively provided with one mounting cavity and one locking opening, the quick release structure comprises two locking pins, each locking pin is movably mounted in each mounting cavity, and the hasp piece is provided with two bayonets corresponding to the two locking pins.

In the technical scheme of the utility model, the hasp and the fixing piece keep relative position fixed under the action of the lock pin and the bayonet so as to limit the binding belt and keep the binding belt at the locking position; the lock pin is movably arranged in the mounting cavity of the fixing piece and is provided with a buckling position and a disengaging position, when a user dials the lock pin from the buckling position to the disengaging position through the operation part of the lock pin, the lock tongue of the lock pin is separated from the bayonet, the hasp piece can be rapidly far away from the fixing piece under the action of the pre-elastic force provided by the first spring, and at the moment, the binding belt is not limited by the buckling piece any more, so that the locking pin can freely move to achieve the technical effect of rapid tripping.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of an embodiment of a quick release structure according to the present utility model;

FIG. 2 is a schematic view of the latch of FIG. 1 when disengaged from the bayonet;

FIG. 3 is a schematic perspective view illustrating an opening angle between a fastener and a fixing member in an embodiment of a quick release structure according to the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a schematic perspective view of a quick release according to an embodiment of the present utility model when a latch tongue is locked into a locking notch;

FIG. 6 is a schematic diagram showing a locking relationship between a belt and a worm screw of an embodiment of the quick release structure according to the present utility model in a specific application;

fig. 7 is a schematic diagram illustrating a connection relationship between the belt of fig. 6 and the fastener of the quick release structure according to the present utility model.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. 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.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

Furthermore, the description of "first," "second," etc. in this disclosure is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

Referring to fig. 1 to 5, the present utility model provides a quick release structure, which includes a fixing member 1, a buckle member 2, a first spring and a locking pin 3, wherein one end of the buckle member 2 is hinged with the fixing member 1 through a pivot pin 7, a bayonet 21 is formed at the other end of the buckle member 2, two ends of the first spring respectively abut against an upper surface of the fixing member 1 and a lower surface of the buckle member 2, so as to provide a pre-elastic force for a distance between the end of the buckle member 2 where the bayonet 21 is formed and the fixing member 1, and the locking pin 3 has a locking pin 31 and an operation portion 33; the fixing piece 1 is provided with a mounting cavity 11 and a locking opening 12 communicated with the mounting cavity 11, the lock pin 3 is movably mounted in the mounting cavity 11, a lock tongue 31 of the lock pin 3 can move in the locking opening 12, and the lock pin 3 has a buckling position and a disengaging position in the mounting cavity 11; when the lock pin 3 is positioned at the buckling position, the lock tongue 31 of the lock pin 3 is clamped into the bayonet 21 through the locking port 12 to prevent one end of the hasp 2, which is provided with the bayonet 21, from being far away from the fixing piece 1; when the lock pin 3 is at the disengagement position, the lock tongue 31 of the lock pin 3 is disengaged from the bayonet 21, and the end of the fastener 2 formed with the bayonet 21 is separated from the fixing member 1 by the pre-elastic force provided by the first spring.

The following description is made on the structure and implementation principle by a specific application of the quick release structure, referring to fig. 6 and 7, after the strap 9 extends into the fastener 2, the bayonet 21 on the fastener 2 and the lock tongue 31 of the lock pin 3 on the fixing member 1 cooperate to limit the moving direction of the strap 9, and the rack 91 on the strap 9 is in self-locking cooperation with the worm 8 installed on the fixing member 1, so that the strap 9 can only be rotated by the worm 8 to drive the strap 9 to move, and the strap 9 is completely locked in the quick release structure. When the user dials the operation part 33 of the lock pin 3 to dial the lock pin 3 from the buckling position to the disengaging position, one end of the buckle part 2 provided with the bayonet 21 is far away from the fixing part 1 under the action of the pre-elastic force provided by the first spring, so that the effect of quick tripping is achieved, and the binding band 9 is not restricted by the buckle part 2 any more, and can be disengaged from the worm 8 and quickly taken down.

It will be appreciated that in the foregoing, the locking pin 3 may be mounted by a transition fit with the mounting cavity 11, with the locking pin 3 being held in the engaged or disengaged position by friction between the locking pin 3 and the mounting cavity 11. In an embodiment of the present utility model, the quick release structure further includes a second spring, one end of the second spring is connected to the lock pin 3, and the other end of the second spring is connected to the fixing element 1, and the second spring provides an elastic force for resetting the lock pin 3 from the disengaged position to the engaged position. After the user dials the lock pin 3 from the buckling position to the disengaging position, the lock pin 3 can automatically return to the buckling position under the action of elastic force, and the elastic force of the second spring can provide the pressure for the lock pin 3 to keep the lock pin at the buckling position, so that the locking state of the quick release structure is more reliable. Further, in an embodiment of the present utility model, a guiding inclined plane is formed on the lock tongue 31 corresponding to the lower edge of the bayonet 21, so that when the end of the fastener 2 with the bayonet 21 is close to the fixing element 1, the lower edge of the bayonet 21 can press the guiding inclined plane to retract the lock tongue 31 through the locking opening 12. According to the technical scheme, a user can use the lock conveniently, the lock tongue 31 of the lock pin 3 can be separated from the bayonet 21 of the buckle 2 only by pulling the operation part 33 by hands, and quick release is realized; and the bayonet 21 of the fastener 2 and the lock tongue 31 of the lock pin 3 can be restored to the matched state by only pressing the fastener 2 by hands, so that the lock catch is completed.

In the above embodiment, the second spring may be a tension spring or a compression spring, and when the second spring is set as the compression spring 4, the compression spring 4 may be directly disposed in the installation cavity 11 together with the lock pin 3, specifically, in an embodiment of the present utility model, the lock pin 3 has a compression spring installation shaft 32, one end of the compression spring 4 is installed on the compression spring installation shaft 32, and the other end abuts against an inner wall of the installation cavity 11. Further, the inner wall of the installation cavity 11 may be formed with a compression spring installation hole 13 in an inward concave manner, and the other end of the compression spring 4 is installed in the compression spring installation hole 13, so that the compression spring 4 is more stable and reliable when working in the installation cavity 11.

The first spring may be a compression spring, and two ends of the compression spring respectively abut against the upper surface of the fixing piece 1 and the lower surface of the fastener, so as to provide a pre-elastic force for the distance between one end of the fastener, where a bayonet is formed, and the fixing piece. In an embodiment of the present utility model, the first spring is a torsion spring 6, one of the fixing member 1 and the fastening member 2 is formed with a torsion spring mounting shaft 16, the torsion spring 6 is mounted on the torsion spring mounting shaft 16, the torsion spring 6 has two support arms, one of the two support arms abuts against the upper surface of the fixing member 1, and the other one abuts against the lower surface of the fastening member 2. Compared with the scheme of a pressure spring, the structure of the torsion spring is more stable, and the pressure provided by the torsion spring is more uniform in the rotating stroke of the buckle. Further, an arm fixing groove 15 is formed on the upper surface of the fixing member 1, one of the two arms of the torsion spring 6 is mounted on the arm fixing groove 15, and the other arm abuts against the lower surface of the fastener 2. The setting of support arm fixed slot makes the relative position between torsional spring and the mounting more stable, is difficult to appear the torsional spring because of elasticity effect pops out the condition that drops.

Referring to fig. 1 to 4, in order to improve the user experience of the quick release structure, in an embodiment of the present utility model, the buckle 2 is provided with a limiting pin 5, the fixing member 1 is formed with a limiting pin slot 14, the limiting pin 5 moves in the limiting pin slot 14 when the buckle 2 rotates relative to the fixing member 1, and the limiting pin slot 14 cooperates with the limiting pin 5 to limit the movement stroke of the buckle 2 relative to the fixing member 1, so that the buckle 2 cannot rotate to open too large angle with the fixing member 1, thereby facilitating the user operation. Further, referring to fig. 3, a limiting plate 23 is formed on a side of the fastener 2, the side of the fixing member 1 is recessed inwards to form the mounting cavity 11 and the locking notch 12, the limiting plate 23 covers the mounting cavity 11 and the locking notch 12, so as to limit the locking pin 3 in a lateral direction, and an avoidance opening 22 is formed on the limiting plate 23 corresponding to the operation portion 33 of the locking pin 3. Through setting up above-mentioned structure for in the lockpin 3 can very conveniently install installation cavity 11, and the limiting plate 23 of fastener 2 can realize spacing to lockpin 3, and overall structure is convenient and reliable.

In each of the above embodiments, one mounting cavity 11 and one locking notch 12 may be formed on each side of the fixing element 1, the quick release structure includes two locking pins 3, each locking pin 3 is movably mounted in each mounting cavity 11, and two bayonets 21 are formed on the fastener 2 corresponding to two locking pins 3. By this arrangement, it is possible to prevent a user from operating erroneously, and even if the user carelessly dials one of the lock pins 3 from the engaged position to the disengaged position, the engagement of the other lock pin 3 with the bayonet 21 can firmly engage the fastener 2 with the fixing member 1.

The foregoing description is only of the preferred embodiments of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the description of the present utility model and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims (10)

1. The quick release structure is characterized by comprising a fixing piece, a buckle piece, a first spring and a lock pin, wherein one end of the buckle piece is hinged with the fixing piece, a bayonet is formed at the other end of the buckle piece, two ends of the first spring are respectively abutted against the upper surface of the fixing piece and the lower surface of the buckle piece so as to provide pre-elastic force for the distance between one end of the buckle piece, on which the bayonet is formed, and the fixing piece, and the lock pin is provided with a lock tongue and an operation part;

the fixing piece is provided with a mounting cavity and a locking opening communicated with the mounting cavity, the lock pin is movably mounted in the mounting cavity, a lock tongue of the lock pin can move in the locking opening, and the lock pin is provided with a buckling position and a disengaging position in the mounting cavity;

when the lock pin is positioned at the buckling position, a lock tongue of the lock pin is clamped into the bayonet through the locking port so as to prevent one end of the hasp piece, which is provided with the bayonet, from being far away from the fixing piece;

when the lock pin is positioned at the disengaging position, the lock tongue of the lock pin is disengaged from the bayonet, and one end of the hasp piece, which is provided with the bayonet, is far away from the fixing piece under the action of the pre-elastic force provided by the first spring.

2. The quick release mechanism of claim 1 further comprising a second spring having one end connected to the latch and the other end connected to the securing member, the second spring providing a spring force to return the latch from the disengaged position to the engaged position.

3. The quick release mechanism of claim 2, wherein the second spring is a compression spring, the lock pin has a compression spring mounting shaft, one end of the compression spring is mounted on the compression spring mounting shaft, and the other end of the compression spring abuts against an inner wall of the mounting cavity.

4. The quick release structure of claim 3, wherein the inner wall of the mounting cavity is inwardly recessed to form a compression spring mounting hole, and the other end of the compression spring is mounted to the compression spring mounting hole.

5. The quick release mechanism of claim 2, wherein the locking tab defines a guiding ramp corresponding to a lower edge of the bayonet, such that when an end of the snap member defining the bayonet is moved toward the securing member, the lower edge of the bayonet can abut against the guiding ramp to retract the locking tab through the locking notch.

6. The quick release mechanism of claim 1 wherein said first spring is a torsion spring, one of said securing member and said snap member defines a torsion spring mounting axle, said torsion spring is mounted to said torsion spring mounting axle, said torsion spring has two arms, one of said arms abutting an upper surface of said securing member and the other abutting a lower surface of said snap member.

7. The quick release mechanism of claim 6, wherein the mounting member has an arm securing slot formed in an upper surface thereof, one of the two arms of the torsion spring being mounted to the arm securing slot and the other of the arms abutting a lower surface of the clip member.

8. The quick release mechanism of claim 1, wherein the buckle member is provided with a stopper pin, the fixing member is formed with a stopper pin groove, the stopper pin moves in the stopper pin groove when the buckle member rotates relative to the fixing member, and the stopper pin groove cooperates with the stopper pin to limit a movement stroke of the buckle member relative to the fixing member.

9. The quick release mechanism of claim 8, wherein the clip member has a side edge formed with a limiting plate, the fixing member has a side edge recessed inward to form the mounting cavity and the locking notch, the limiting plate covers the mounting cavity and the locking notch to limit the locking pin in a lateral direction, and the limiting plate is formed with an avoidance opening corresponding to the operation portion of the locking pin.

10. The quick release mechanism of claim 1 wherein said mounting cavities and said locking notch are formed on each side of said securing member, said quick release mechanism including two of said locking pins, each of said locking pins being movably mounted in each of said mounting cavities, said snap member defining two bayonets for each of said locking pins.