CN111012001B - Self-locking elastic buckle device - Google Patents
Self-locking elastic buckle device Download PDFInfo
- Publication number
- CN111012001B CN111012001B CN202010039567.5A CN202010039567A CN111012001B CN 111012001 B CN111012001 B CN 111012001B CN 202010039567 A CN202010039567 A CN 202010039567A CN 111012001 B CN111012001 B CN 111012001B
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- shell
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- bulge
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- 230000000149 penetrating effect Effects 0.000 claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims description 21
- 229920000742 Cotton Polymers 0.000 claims description 3
- 241000276425 Xiphophorus maculatus Species 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A44—HABERDASHERY; JEWELLERY
- A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
- A44B11/00—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts
- A44B11/02—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps
- A44B11/06—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices
- A44B11/10—Buckles; Similar fasteners for interconnecting straps or the like, e.g. for safety belts frictionally engaging surface of straps with clamping devices sliding wedge
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Abstract
The invention provides a self-locking elastic buckle device, which comprises a rope, a shell, a female buckle and a male buckle; the inner sides of the left side plate and the right side plate at the front end of the shell are provided with a bulge I; the inner sides of the left side plate and the right side plate at the rear end of the shell are provided with protrusions II; the front side surface of the female buckle and the front end opening of the shell are positioned on the same side; the left side and the right side of the female buckle are provided with a first chute which is used for clamping the first bulge in the female buckle and can slide back and forth along the first bulge; a groove is arranged in the middle of the top of the female buckle; two rope penetrating holes I which are respectively arranged at two sides of the groove and penetrate through the front end and the rear end of the female buckle are arranged between the groove and the first chute; the male buckle is arranged in the front end of the shell and can slide in the shell; the rear end of the female buckle is provided with a U-shaped notch which is respectively communicated with the groove and the first rope penetrating hole; a pair of elastic pressing sheets which are respectively arranged at two sides of the groove and positioned between the groove and the first rope penetrating hole are arranged in the U-shaped notch; the male buckle is arranged in the rear end of the shell and can slide in the shell; the male buckle consists of a guide bar, a pressing plate and a trapezoid block. The invention has simple operation, convenient assembly and good clamping effect.
Description
Technical Field
The invention belongs to the technical field of rope buckles, and particularly relates to a self-locking elastic buckle device.
Background
The elastic buckle is also called a rope buckle, is a small device for clamping the rope, is often used on articles such as ready-made clothes, back bags, tents and shoes, the existing rope buckle mainly comprises a spring buckle, namely, the clamping of the rope is completed through the matching of the spring and a clamping block, because the elasticity of the spring is reduced along with the use times, the existing rope buckle generally has a loose condition when the use times reach a certain value, and therefore the service life is generally not long, and because the spring determines the clamping force of the rope buckle to the rope, when the spring is too tight, a user needs a larger force to control the clamping block, and the clamping block cannot be effectively clamped by the spring due to the fact that the spring is too loose.
Disclosure of Invention
Aiming at the problems, the invention aims to provide the self-locking elastic buckle device which is simple in structure, convenient to operate and good in clamping effect. The specific technical scheme is as follows:
A self-locking elastic buckle device comprises a rope, a shell, a female buckle and a male buckle;
The inner sides of the left side plate and the right side plate at the front end of the shell are provided with a bulge I near the front end opening of the shell; a second bulge is arranged on the inner sides of the left side plate and the right side plate at the rear end of the shell and close to the opening at the rear end of the shell;
The female buckle is arranged in the front end of the shell and can slide in the shell, and the front side surface of the female buckle and the front end opening of the shell are positioned on the same side; the left side and the right side of the female buckle are provided with a first chute which is used for clamping the first bulge in the female buckle and can slide back and forth along the first bulge; grooves parallel to the left side surface and the right side surface of the shell are formed in the middle of the top of the female buckle; two rope penetrating holes I which are respectively arranged at two sides of the groove and penetrate through the front end and the rear end of the female buckle are arranged between the groove and the first sliding grooves on the two sides of the female buckle; the rear end of the female buckle is provided with a U-shaped notch which is respectively communicated with the groove and the first rope penetrating hole; a pair of elastic pressing sheets which are respectively arranged at two sides of the groove and positioned between the groove and the first rope penetrating hole are arranged in the U-shaped notch;
The male buckle is arranged in the rear end of the shell and can slide in the shell, and the rear side surface of the male buckle and the rear end opening of the shell are positioned on the same side; the male buckle consists of a guide bar, a pressing plate and a trapezoid block; the guide strip is a strip-shaped plate which is arranged at the front end of the male buckle and is clamped in the groove, and the guide strip can move back and forth between the two elastic pressing sheets along the groove; the pressing plate is a square plate arranged at the rear end of the male buckle, two sides of the pressing plate are provided with a second chute which is used for clamping the second bulge in the second chute and enabling the second bulge to slide back and forth in the second chute, and the pressing plate is provided with a pair of second rope threading holes corresponding to the first rope threading holes; the trapezoid block is a trapezoid platy body which is arranged between the guide bar and the pressing plate and has a narrow front end and a wide rear end; the front end of the trapezoid block is integrally connected with the guide strip, and the rear end of the trapezoid block is integrally arranged in the middle of the front side surface of the pressing plate and positioned between the two rope penetrating holes II; the trapezoid block can move forwards between the two elastic pressing sheets along with the guide strip and press and deflect the two elastic pressing sheets to two sides; in a natural state, the front ends of the trapezoid blocks are just positioned at the rear ends of the two elastic pressing sheets, meanwhile, the part of the rear ends of the pressing sheets, which is positioned at the rear side of the second sliding chute, is positioned outside the shell, and the second protrusion is positioned at the front end of the second sliding chute;
The two thread ends of the thread rope respectively pass through the first thread holes and then pass through the region between the elastic pressing piece and the U-shaped notch side plate, and finally respectively pass through the second thread holes and then extend out from the rear side surface of the male buckle; when the male buckle slides forwards under the action of external force, the guide strip moves forwards along the groove, and meanwhile, the trapezoid block moves forwards and gradually extrudes the elastic pressing piece to deflect towards two sides to press the ropes.
Further, a first strip-shaped hole is formed in the left side and the right side of the front end of the shell, and a first clamping plate is arranged in the first strip-shaped hole; the tail end of the first clamping plate is integrally arranged in the middle of the side face of the shell; the first bulge is arranged on the inner side surface of one end of the clamping plate; the left side and the right side of the rear end of the shell are respectively provided with a second strip-shaped hole, and the strip-shaped Kong Erna is provided with a second clamping plate; the tail end of the second clamping plate is integrally arranged in the middle of the side face of the shell; the second bulge is arranged on the inner side surface of the two ends of the clamping plate; the first end of the clamping plate and the second end of the clamping plate can deflect outwards of the shell under the action of external force and automatically reset after no external force is applied.
Further, the first front side surface of the protrusion and the second rear side surface of the protrusion incline towards the inside of the shell.
Further, the outer side of the rear end of the elastic pressing piece is provided with anti-skid patterns.
Further, an extrusion head is arranged at the rear end of each elastic pressing piece.
Further, the length of the elastic pressing piece and the length of the extrusion head are smaller than the lengths of the left side plate and the right side plate of the U-shaped notch.
Further, the outer side of the extrusion head is outwards protruded to form a triangle.
Further, anti-skid patterns are arranged on the outer side of the extrusion head.
The invention has simple operation, and can be realized by only grasping the shell to slide back and forth when tightening or loosening; the assembly is convenient, the cotton rope is threaded during the assembly, and then the female buckle and the male buckle are clamped into the shell to finish the assembly; the clamping effect is good, and when external force acts on the rear end of the male buckle, the male buckle slides forwards to extrude the extrusion head, so that the extrusion head deflects to the wire rope to clamp the wire rope, and the larger the external force acts on the male buckle, the larger the clamping force of the extrusion head to the wire rope.
Drawings
FIG. 1 is a schematic view of a self-locking elastic buckle device according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
Fig. 3 is a schematic view of the self-locking elastic buckle device of fig. 2 without a string
FIG. 4 is a schematic view of a housing of a self-locking buckle device according to the present invention;
FIG. 5 is a schematic view showing the structure of a female buckle in a self-locking elastic buckle device according to the present invention;
FIG. 6 is a schematic view of a male buckle in a self-locking fastening device according to the present invention;
FIG. 7 is an assembled schematic view of FIG. 1;
FIG. 8 is a state diagram of the self-locking buckle device of the present invention during tightening;
FIG. 9 is a state diagram of the self-locking elastic buckle device of the present invention when self-locked;
FIG. 10 is a state diagram of a self-locking buckle device of the present invention during release;
The figure shows: 1-cotton rope, 2-shell, 21-bar hole I, 22-bulge I, 23-clamp I, 24-clamp II, 25-bulge II, 26-bar hole II, 3-box, 31-groove, 32-rope threading hole I, 33-chute I, 34-U-shaped notch, 35-elastic pressing piece, 36-extrusion head, 4-pin, 41-pressing plate, 42-chute II, 43-trapezoid block, 44-guide bar and 45-rope threading hole II.
Detailed Description
The principles and features of the present invention are described in further detail below with reference to the attached drawings, and the examples are provided for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
The self-locking elastic buckle device of the invention as shown in figures 1-7 comprises a rope 1, a shell 2, a female buckle 3 and a male buckle 4;
The shell 2 is a square box body with two open ends, and a first bulge 22 is arranged on the inner sides of the left side plate and the right side plate of the front end of the shell 2 and close to the front end opening of the shell 2; the inner sides of the left side plate and the right side plate at the rear end of the shell 2 are provided with a second bulge 25 close to the rear end opening of the shell 2;
The female buckle 3 is arranged in the front end of the shell 2 and can slide in the shell 2, and the front side surface of the female buckle 3 and the front end opening of the shell 2 are positioned on the same side; the left side and the right side of the female buckle 3 are provided with a first chute 33 which is used for clamping the first bulge 22 therein and can slide back and forth along the first bulge 22; a groove 31 parallel to the left side surface and the right side surface of the shell 2 is arranged in the middle of the top of the female buckle 3; two rope penetrating holes 32 which are respectively arranged at two sides of the groove 31 and penetrate through the front end and the rear end of the female buckle 3 are arranged between the groove 31 and the first sliding grooves 33 at two sides of the female buckle 3; the rear end of the female buckle 3 is provided with a U-shaped notch 34 which is respectively communicated with the groove 31 and the first rope threading hole 32; a pair of elastic pressing pieces 35 which are respectively arranged at two sides of the groove 31 and positioned between the groove 31 and the first rope penetrating hole 32 are arranged in the U-shaped notch 34;
The male buckle 4 is arranged in the rear end of the shell 2 and can slide in the shell 2, and the rear side surface of the male buckle 4 and the rear end opening of the shell 2 are positioned on the same side; the pin 4 is composed of a guide bar 44, a pressing plate 41 and a trapezoid block 43; the guide strip 44 is a strip-shaped plate which is arranged at the front end of the male buckle 4 and is clamped in the groove 31, and the guide strip 44 can move back and forth between the two elastic pressing sheets 35 along the groove 31; the pressing plate 41 is a square plate arranged at the rear end of the male buckle 4, two sides of the pressing plate 41 are provided with a second chute 42 which is used for clamping the second protrusion 25 therein and can enable the second protrusion 25 to slide back and forth therein, and the pressing plate 41 is provided with a pair of second rope threading holes 45 corresponding to the first rope threading holes 32; the trapezoid block 43 is a trapezoid plate-shaped body which is arranged between the guide bar 44 and the pressing plate 41 and has a narrow front end and a wide rear end; the front end of the trapezoid block 43 is integrally connected with the guide strip 44, and the rear end of the trapezoid block is integrally arranged in the middle of the front side surface of the pressing plate 41 and positioned between the two rope penetrating holes 45; the trapezoid block 43 can move forward between the two elastic pressing pieces 35 along with the guide strip 44 and press and deflect the two elastic pressing pieces 35 to two sides; in a natural state, the front ends of the trapezoid blocks 43 are just positioned at the rear ends of the two elastic pressing sheets 35, meanwhile, the part of the rear end of the pressing plate 41 positioned at the rear side of the second chute 42 is positioned outside the shell 2, the second bulge 25 is positioned at the front end inside the second chute 42, and a forward moving stroke is reserved for the male buckle 4;
the two thread ends of the thread rope 1 respectively pass through the first thread penetrating holes 32 and then pass through the region between the elastic pressing piece 35 and the side plate (the left side plate or the right side plate at the rear end of the male buckle 4) of the U-shaped notch 34, and finally respectively pass through the second thread penetrating holes 45 and then extend out from the rear side surface of the male buckle 4; when the pin 4 slides forward under the action of external force, the guide bar 44 moves forward along the groove 31, and simultaneously the trapezoidal block 43 moves forward and gradually presses the elastic pressing piece 35 to deflect and press the string 1 to two sides.
Further, a first strip-shaped hole 32 is arranged on the left side and the right side of the front end of the shell 2, and a first clamping plate 23 is arranged in the first strip-shaped hole 32; the tail end of the first clamping plate 23 is integrally arranged in the middle of the side face of the shell 2; the first bulge 22 is arranged on the inner side surface of the head end of the first clamping plate 23; the left side and the right side of the rear end of the shell 2 are respectively provided with a second strip-shaped hole 26, and a second clamping plate 24 is arranged in the second strip-shaped hole 26; the tail end of the second clamping plate 24 is integrally arranged in the middle of the side face of the shell 2; the second bulge 25 is arranged on the inner side surface of the head end of the second clamping plate 24; the head ends of the first clamping plate 23 and the second clamping plate 24 can deflect outwards of the shell 2 under the action of external force and automatically reset after no external force is applied.
Further, the front side surface of the first protrusion 22 and the rear side surface of the second protrusion 25 incline toward the inside of the housing 2.
Further, an anti-slip pattern is provided on the outer side of the rear end of the elastic pressing piece 35.
Further, a pressing head 36 is provided at the rear end of each elastic pressing piece 35.
Further, the length of the elastic pressing piece 35 plus the length of the extrusion head 36 is smaller than the length of the left and right side plates of the U-shaped notch 34.
Further, the outer side of the extrusion head 36 is protruded to be triangular.
Further, the outer side of the extrusion head 36 is provided with anti-skid patterns.
When the self-locking elastic buckle device is assembled, two thread ends of a thread rope 1 respectively pass through two first thread holes 32 of a female buckle 3, then pass through a region between an elastic pressing piece 35 and a side plate of a U-shaped notch 34, finally extend the penetrating end of the thread rope 1 and the rear end of the female buckle 3 into the shell 2 from the opening at the front end of the shell 2, press the female buckle 3 backwards with great force (the force is great), press the rear end of the female buckle 3 on an inclined plane at the front side of a first bulge 22, prop the first bulge 22 with a clamping plate 23 towards two sides until the thread rope slides to the position of the first bulge 21, the female buckle 3 does not press the first bulge 22 any more, the outward extrusion force suffered by the first bulge 22 is reduced or eliminated (the first bulge 21 is concave, the extrusion of the first bulge 21 is reduced or eliminated when the first bulge 22 is overlapped with the first bulge 21), the clamping plate 23 is restored under the self-elasticity, the first bulge 22 is pushed into the first bulge 21, and the female buckle 3 is clamped in the shell 2, and the installation of the female buckle 3 is realized.
Then, the two thread ends of the thread rope 1 extending into the shell 2 are pulled out of the rear end opening of the shell 2, finally, the front side surface of the male buckle 4 respectively penetrates through the two thread holes II 45 of the male buckle 4, then, the rear side surface of the male buckle 4 extends out, and finally, the male buckle 4 is slid to align with the rear end opening of the shell 2, and is pressed into the shell 2; in the pressing process, the guide strip 44 at the front end of the pin 4 is aligned with the groove 31 of the box 3 and extends into the groove 31 after passing through between the two elastic pressing sheets 35; the two sides of the pressing plate 41 at the rear end of the male buckle 4 press the inclined surface at the rear side of the second protrusion 25, the pressing plate 41 is continuously pressed forwards to push the second protrusion 25 and the second clamping plate 24 to be spread towards two sides until the second protrusion 25 slides to the second chute 42 at the two sides of the pressing plate 41, the outward extrusion force received by the second protrusion 25 is reduced or eliminated (the second chute 42 is concave, the second chute 42 is pressed down or eliminated when the second chute 42 is overlapped with the second protrusion 25), the second clamping plate 24 is reset and reduced under the action of self elasticity, the second protrusion 25 is pushed into the second chute 42, and the male buckle 4 is clamped in the shell 2, so that the male buckle 4 is installed; at this time, the front end of the trapezoid block 43 is just located at the extrusion head 36 at the rear end of the two elastic pressing pieces 35, and at the same time, the portion of the rear end of the pressing plate 41 located at the rear side of the second chute 42 is located outside the housing 2, and the second protrusion 25 is located at the front end inside the second chute 42.
When the self-locking elastic buckle device is installed, two thread ends of the thread rope 1 penetrating out from the rear side face of the pressing plate 41 are installed on articles such as ready-made clothes, backpacks, bags, tents and shoes, and the installation is completed.
After the installation is finished, when the rope 1 is tightened, one hand pulls the rope 1 on one side of the front side surface of the female buckle 3, and the other hand pinches the shell 2 to slide backwards to self-lock the elastic buckle device, so that the rope 1 can be tightened. In the tightening process shown in fig. 8, when the housing 2 is pinched to slide backward (move toward articles such as ready-made clothes, backpacks, bags, tents, shoes, etc.), the opposite cord 1 moves forward, because of friction between the cord 1 and the female buckle 3 and the male buckle 4, the female buckle 3 and the male buckle 4 move forward when the cord 1 is pulled, in this process, the first chute 21 moves forward to move the rear end to a position close to the first protrusion 22, the second chute 42 moves forward to move the rear end to a position close to the second protrusion 25, and because the female buckle 3 and the male buckle 4 move downward at the same time, there is no relative motion between the two, and no clamping exists between the front end of the male buckle 4 and the rear end of the female buckle 3, so that the cord 1 cannot be clamped. In this way the device is easily moved during the backward movement.
As shown in fig. 9, after tightening (movement is completed), when articles such as clothing, backpacks, bags, tents, shoes and the like are expanded outwards, a pulling force is simultaneously given to two strands of ropes penetrated out from the rear side surface of the pressing plate 41 (which is equivalent to pinching a rope 1 penetrated out from the rear side surface of the pressing plate 41 by two hands respectively, and then pulling the two ropes 1 simultaneously), after the rope 1 receives the pulling force, the ropes 1 deflect towards two sides of the male buckle 4, the rope 1 contacts with the top of the male buckle 4 and presses the top of the male buckle 4, the top of the male buckle 4 receives the extrusion force of the ropes 1 at two ends of the top (the extrusion force is the resultant force of the forces of the ropes 1 acting on the two sides of the male buckle 4 in the vertical direction and the forces in the horizontal direction, and the horizontal component forces of the ropes 1 on the male buckle 4 are opposite in the same direction, so that the vertical component forces are only left to act on the male buckle 4), under the action of the pulling force, the male buckle 4 slides forwards, the guide strip 44 moves forwards along the groove 31, simultaneously, and the trapezoidal block 43 gradually moves forwards and presses the two sides of the rope 36 towards the male buckle 4, and the side plate 36 simultaneously compresses the ropes 36 towards the two sides of the male buckle 4, and the side plate 36, and the self-locking force is greatly compresses the ropes 36, and the compression force is greatly moves towards the side plate 36.
When the thread rope 1 is loosened, the thread rope 1 on one side of the rear side face of the male buckle 4 is pulled by one hand, and the shell 2 is pinched by the other hand to slide forwards to self-lock the elastic buckle device, so that the thread rope 1 can be loosened. As shown in fig. 10, when the housing 2 is pinched and slid forward (moved in a direction away from articles such as clothing, backpacks, bags, tents, shoes, etc.), the opposite cord 1 moves backward, and due to friction between the cord 1 and the female buckle 3 and the male buckle 4, the female buckle 3 and the male buckle 4 also move backward when the cord 1 is pulled, in this process, the first chute 21 moves backward to a position close to the first protrusion 22, the second chute 42 moves backward to a position close to the second protrusion 25, and due to simultaneous backward movement of the female buckle 3 and the male buckle 4, no relative movement exists between the two, and no clamping exists between the front end of the male buckle 4 and the rear end of the female buckle 3, so that the cord 1 cannot be clamped. Thus the device can easily realize movement in the process of forward movement to realize relaxation.
The above embodiments are provided for illustrating the technical concept and features of the present invention and are intended to enable those skilled in the art to understand the present invention and to implement the same without limiting the scope of the present invention.
Claims (5)
1. The utility model provides a auto-lock elastic buckle device, includes cotton rope, its characterized in that: the novel lock also comprises a shell, a female buckle and a male buckle;
The inner sides of the left side plate and the right side plate at the front end of the shell are provided with a bulge I near the front end opening of the shell; a second bulge is arranged on the inner sides of the left side plate and the right side plate at the rear end of the shell and close to the opening at the rear end of the shell;
The female buckle is arranged in the front end of the shell and can slide in the shell, and the front side surface of the female buckle and the front end opening of the shell are positioned on the same side; the left side and the right side of the female buckle are provided with a first chute which is used for clamping the first bulge in the female buckle and can slide back and forth along the first bulge; grooves parallel to the left side surface and the right side surface of the shell are formed in the middle of the top of the female buckle; two rope penetrating holes I which are respectively arranged at two sides of the groove and penetrate through the front end and the rear end of the female buckle are arranged between the groove and the first sliding grooves on the two sides of the female buckle; the rear end of the female buckle is provided with a U-shaped notch which is respectively communicated with the groove and the first rope penetrating hole; a pair of elastic pressing sheets which are respectively arranged at two sides of the groove and positioned between the groove and the first rope penetrating hole are arranged in the U-shaped notch;
The male buckle is arranged in the rear end of the shell and can slide in the shell, and the rear side surface of the male buckle and the rear end opening of the shell are positioned on the same side; the male buckle consists of a guide bar, a pressing plate and a trapezoid block; the guide strip is a strip-shaped plate which is arranged at the front end of the male buckle and is clamped in the groove, and the guide strip can move back and forth between the two elastic pressing sheets along the groove; the pressing plate is a square plate arranged at the rear end of the male buckle, two sides of the pressing plate are provided with a second chute which is used for clamping the second bulge in the second chute and enabling the second bulge to slide back and forth in the second chute, and the pressing plate is provided with a pair of second rope threading holes corresponding to the first rope threading holes; the trapezoid block is a trapezoid platy body which is arranged between the guide bar and the pressing plate and has a narrow front end and a wide rear end; the front end of the trapezoid block is integrally connected with the guide strip, and the rear end of the trapezoid block is integrally arranged in the middle of the front side surface of the pressing plate and positioned between the two rope penetrating holes II; the trapezoid block can move forwards between the two elastic pressing sheets along with the guide strip and press and deflect the two elastic pressing sheets to two sides; in a natural state, the front ends of the trapezoid blocks are just positioned at the rear ends of the two elastic pressing sheets, meanwhile, the part of the rear ends of the pressing sheets, which is positioned at the rear side of the second sliding chute, is positioned outside the shell, and the second protrusion is positioned at the front end of the second sliding chute;
The two thread ends of the thread rope respectively pass through the first thread holes and then pass through the region between the elastic pressing piece and the U-shaped notch side plate, and finally respectively pass through the second thread holes and then extend out from the rear side surface of the male buckle; when the male buckle slides forwards under the action of external force, the guide strip moves forwards along the groove, and meanwhile, the trapezoid block moves forwards and gradually extrudes the elastic pressing piece to deflect towards two sides to press the ropes;
The left side and the right side of the front end of the shell are respectively provided with a first strip-shaped hole, and a first clamping plate is arranged in the first strip-shaped hole; the tail end of the first clamping plate is integrally arranged in the middle of the side face of the shell; the first bulge is arranged on the inner side surface of one end of the clamping plate; the left side and the right side of the rear end of the shell are respectively provided with a second strip-shaped hole, and the strip-shaped Kong Erna is provided with a second clamping plate; the tail end of the second clamping plate is integrally arranged in the middle of the side face of the shell; the second bulge is arranged on the inner side surface of the two head ends of the clamping plate; both the first end of the clamping plate and the second end of the clamping plate can deflect outwards of the shell under the action of external force and automatically reset after no external force is applied;
The outer side of the rear end of the elastic pressing piece is provided with anti-skid patterns;
An extrusion head is arranged at the rear end of each elastic pressing piece.
2. The self-locking elastic buckle device according to claim 1, wherein: the front side surface of the first bulge and the rear side surface of the second bulge incline towards the inside of the shell.
3. The self-locking elastic buckle device according to claim 1, wherein: the length of the elastic pressing piece and the length of the extrusion head are smaller than the lengths of the left side plate and the right side plate of the U-shaped notch.
4. A self-locking elastic fastening device according to claim 3, characterized in that: the outer side of the extrusion head protrudes outwards to form a triangle.
5. The self-locking elastic clasp device according to claim 4, wherein: and anti-skid patterns are arranged on the outer side of the extrusion head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039567.5A CN111012001B (en) | 2020-01-15 | 2020-01-15 | Self-locking elastic buckle device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010039567.5A CN111012001B (en) | 2020-01-15 | 2020-01-15 | Self-locking elastic buckle device |
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| Publication Number | Publication Date |
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| CN111012001A CN111012001A (en) | 2020-04-17 |
| CN111012001B true CN111012001B (en) | 2024-05-10 |
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|---|---|---|---|
| CN202010039567.5A Active CN111012001B (en) | 2020-01-15 | 2020-01-15 | Self-locking elastic buckle device |
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| CN211882542U (en) * | 2020-01-15 | 2020-11-10 | 余洪 | Self-locking elastic fastening device |
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|---|---|---|---|---|
| JPH0668506U (en) * | 1993-03-12 | 1994-09-27 | 吉田工業株式会社 | Tie |
| KR20000020989U (en) * | 1999-05-18 | 2000-12-15 | 송명준 | Cord tightening device for a container bag |
| TWM371449U (en) * | 2009-08-06 | 2010-01-01 | Nifco Taiwan Corp | This creation component can be adjusted to control the height part of IV set |
| CN203482958U (en) * | 2013-08-07 | 2014-03-19 | 福建省石狮市华联服装配件企业有限公司 | Improved plastic cord fastener |
| CN203555258U (en) * | 2013-10-31 | 2014-04-23 | 黄家常 | Cord fastener device |
| CN205991135U (en) * | 2016-07-27 | 2017-03-01 | 高伟 | A kind of rope locking buckle |
| CN211882542U (en) * | 2020-01-15 | 2020-11-10 | 余洪 | Self-locking elastic fastening device |
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|---|---|
| CN111012001A (en) | 2020-04-17 |
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