WO2017063130A1

WO2017063130A1 - Buckle device

Info

Publication number: WO2017063130A1
Application number: PCT/CN2015/091802
Authority: WO
Inventors: 蔡昀展
Original assignee: 蔡昀展
Priority date: 2015-10-13
Filing date: 2015-10-13
Publication date: 2017-04-20
Also published as: DE112015007017T5; JP3218233U; DE112015007017B4

Abstract

A buckle device is configured to adjust a length of a strap (A), and comprises a first main unit (3) and a fastening unit (4). The fastening unit is provided in the first main unit, the first main unit comprises a first through hole (33) and a second through hole (34), and when the strap passes through the first main unit via the first through hole and the second through hole, the fastening unit can rotate between an adjustment position, a first fastening position, and a second fastening position. If the fastening unit is rotated to the adjustment position, the strap can be pulled outwards via the first through hole to adjust the length. If the fastening unit is rotated to the first fastening position or the second fastening position, the fastening unit presses and fastens the strap in the first main unit, such that the strap cannot be pulled out via the first through hole. The buckle device has advantages of a long service life, high load bearing capability, and convenient adjustment operation.

Description

Buckle device

Technical field

The present invention relates to a buckle device, and more particularly to a buckle device that adjusts the length of a strap.

Background technique

The buckles that were used in the backpack to adjust the length of the straps were made of plastic material, and the straps on the backpack were added in a multi-bend manner to increase the friction of the strap surface, allowing the user to adjust the straps. After the length of the harness, the buckle secures the length of the strap with the friction of the surfaces of the straps, and the user can carry the backpack with the appropriate strap length.

Referring to Fig. 1, a buckle according to Taiwan Patent No. I255697, which is used for a backpack structure and is suitable for a buckle with a position of 3D, and has a belt that can be used as a belt. a function of 2 (2A) in the long direction and fixed at any position; and a function of adjusting the length of the belt 3 (3A) as a strip, forming a strip having a certain degree of rigidity and a predetermined width as a

strip Belts

2, 3.

Although the existing buckle 10 presses a gripping portion with a locking member to fix the position of the belt 2 (2A), the early strap is improved to have a better negative gravitational force by fixing the length of the strap with the friction of the surfaces of the straps. Actual use still has the following disadvantages:

1. Poor service life;

In order to save costs in the early days, the buckles are made of plastic materials. When the backpack is exposed to the sun and rain, the plastic material will deteriorate rapidly, which will decompose the material of the buckle and cause poor service life.

2, the weight bearing effect is not good;

The buckle made of the above plastic material not only has a poor service life, but the soft plastic material also causes the weight of the backpack to be limited, and it is impossible to carry too heavy items and the weight bearing effect is not good.

3. Inconvenient operation;

The existing locking member 31 can be opened and pressed to move the buckle 10 between the fixed state and the released state. When the user wants to change the length of the strap in the carrying backpack, the locking member must be opened. And moving the position, it is not convenient to operate.

How to improve the disadvantages of the use of the buckle that can adjust the length of the strap, so that the user can get the advantage of quickly adjusting the length of the strap, and has better service life and weight-bearing effect, which has become an urgent need for the technical staff. direction.

Summary of the invention

In view of the above, it is an object of the present invention to provide a buckle device.

The invention provides a buckle device suitable for adjusting the length of a rope, comprising:

a first body unit includes a first body defined around an accommodating space, a first through hole disposed on the first body, a second through hole disposed on the first body, and a setting a first crossbar in the accommodating space, the first body having a bottom portion located in the accommodating space;

a locking unit having a columnar body and disposed in the accommodating space, the locking unit comprising two parallel and spaced planes, a side connecting the circumferences of the plane, and a through plane The center is sleeved on the support hole of the first crossbar, and the locking unit rotates with the first crossbar as an axis at an adjusted position, a first locking position, and a second locking position. The side surface has a first curved portion, a cross-sectional portion connected to the first curved portion, a second curved portion connected to the cross-sectional portion, and a first protrusion connecting the first curved portion and the second curved portion The distance between the second curved portion and the supporting hole is smaller than the distance between the first curved portion and the supporting hole;

The cord passes through the accommodating space and contacts the locking unit by the first through hole and the second through hole. When the locking unit is rotated to the adjusting position, the cross-section portion is close to the bottom surface portion and The distance between the cross-section portion and the bottom surface portion is not less than the thickness of the strap, so that the strap can be pulled outwardly from the first through-hole to adjust the length when the locking unit rotates the first locking position. The first curved portion and the first protruding portion fix the cord to the bottom surface portion, and when the locking unit rotates the second locking position, the first curved portion and the first protruding portion The cord is secured to the bottom portion such that the strap cannot be pulled out of the first through hole.

Wherein, when the cord is biased outward by the second through hole, the locking unit is rotated by the rope to the adjusted position, so that the strap is pulled out by the second through hole.

The locking unit further includes a first elastic body connecting the first body and the locking unit, and the first elastic body applies a force to the locking unit and rotates to the second locking position.

The locking unit further includes an adjusting pressing body, and has a pressing hole disposed on the first body, an adjusting button pivoted on the locking unit and protruding from the pressing hole, and a adjusting button The locking unit is capable of blocking a limiting plane of the pressing depth of the adjusting key, and the adjusting key is capable of receiving external pressure and rotating the locking unit to the adjusting position.

The first body further has a limiting protrusion disposed in the accommodating space for limiting the rotation angle of the locking unit.

The side surface further has a second protrusion disposed between the first protrusion and the first curved portion.

The first body unit further includes a first protrusion, the first protrusion has a first plate extending outward from the first body, and a first hole disposed in the first plate .

The buckle device further includes a second body unit, the second body unit includes a second body, an insertion hole disposed in the second body and capable of inserting the first plate, and a second body a second crossbar in the main body, and a pressure bar rotatable about the second crossbar, the press bar being rotatable between an interference position and a non-interference position, when the pressure bar is rotated to the interference In position, the pressing rod can be inserted into the first hole and interfere with the first protrusion to combine the first body and the second body when the pressure bar is rotated to the non-interference position The pressure bar is separated from the first hole to pull the first protrusion away from the insertion hole.

Wherein, the pressing rod has a middle section pivoted with the second crossbar, a pressing section disposed at one end of the middle section, and a blocking section disposed at an opposite end of the middle section, the blocking section of the pressing rod is downward Bending and forming a V-shaped angle with the middle portion, the second body has a recess capable of placing the blocking portion, when the first protruding body is inserted into the insertion hole and the pressing rod is located at the interference position The blocking section passes through the first hole such that the first flat plate is located at the corner of the V-shaped.

The second body unit further includes a second elastic body connected between the second body and the pressing rod, so that the pressing rod can rebound from the non-interfering position to the interference position.

The invention has the advantages that the locking unit is made of metal material, and can extend the service life and the weight-bearing effect of the buckle device, and the user can use the adjusting pressing body to rotate the locking unit to the adjusting position. The cord can be shuttled in the first body without restraint, so that the user can adjust the length of the strap, and when the cord is pulled out by the second through hole, the strap can also drive the lock. The solid unit is rotated to the adjusted position.

When the user no longer presses the adjustment button or pulls the strap outward from the first through hole, the locking unit rotates to the first locking position or the second locking position. The distance between the first curved portion and the supporting hole is greater than the distance between the first protruding portion and the supporting hole, and the distance between the first protruding portion and the supporting hole is greater than the distance between the second curved portion and the supporting hole. When the locking unit is in the second locking position, the force of the strap is greater than the first locking position, when the locking unit is located in the second locking position and is blocked by the limiting protrusion, The buckle device of the present invention has the greatest securing force, so that the strap is not easily pulled out from the first through hole.

DRAWINGS

Figure 1 is a schematic view of a device illustrating a buckle of the Taiwan Patent No. I255697;

2 is a perspective view showing a three-dimensional aspect of a locking unit in a first preferred embodiment of the buckle device of the present invention;

Figure 3 is a side elevational view showing the state of an adjusted position in the first preferred embodiment;

Figure 4 is a side elevational view showing the first locking position of the first preferred embodiment;

Figure 5 is a side elevational view showing a second locking position of the first preferred embodiment;

Figure 6 is a perspective view showing a three-dimensional aspect of the locking unit in a second preferred embodiment of the buckle device of the present invention;

Figure 7 is a side elevational view showing the first elastic body of the second preferred embodiment;

Figure 8 is a side elevational view showing the state in which the adjusting pressing body of the second preferred embodiment is actuated;

Figure 9 is a side elevational view showing a third preferred embodiment of the buckle device of the present invention;

Figure 10 is a side elevational view showing an aspect of an interference position in a fourth preferred embodiment of the buckle device of the present invention;

Figure 11 is a side elevational view showing a non-interfering position of the fourth preferred embodiment; and

Figure 12 is a schematic view of a fifth preferred embodiment of the buckle assembly of the present invention.

In the picture:

A rope; A1 rope; A2 rope;

3 first body unit; 31 accommodating space; 32 first body;

321 bottom portion; 322 limit protrusion;

33 first through hole; 34 second through hole; 35 first cross bar;

36 first protrusion; 361 first plate; 362 first hole; 4 locking unit;

41 plane; 42 side; 421 first curved part; 422 sectional part; 423 second curved part;

424 first protrusion; 425 second protrusion; 43 support hole; 44 first elastic body;

45 adjust the pressing body; 451 press the hole; 452 adjustment button; 453 limit plane;

5 second body unit; 51 second body; 511 depression; 52 insertion hole;

53 second crossbar; 54 pressure bar; 541 middle section; 542 pressing section;

543 blocking section; 544 V angle;

55 second elastomer; 56 second protrusion; 561 second plate; 562 second hole.

detailed description

The present invention will be further described in conjunction with the accompanying drawings and specific embodiments, which are to be understood by those skilled in the art.

Referring to FIG. 2, FIG. 3, FIG. 4 and FIG. 5, a first preferred embodiment of the buckle device of the present invention is suitable for adjusting the length of a strap A, and includes a first main body unit 3, and a locking mechanism. Unit 4.

The first body unit 3 includes a first body 32 defining an accommodating space 31, a first through hole 33 disposed on the first body 32, and a second through hole disposed on the first body 32. The hole 34 is a first crossbar 35 disposed in the accommodating space 31. The first body 32 has a bottom surface portion 321 of the accommodating space 31. The cord A can pass through the first body 32 through the first through hole 33 and the second through hole 34, and the object of the present invention is to fix the string A to obtain the first through hole 33. The length that extends out.

The locking unit 4 is disposed in the accommodating space 31 and includes two parallel and spaced planes 41, a side surface 42 connecting the circumferences of the two planes 41, and a center extending through the two planes 41. And the supporting hole 43 of the first crossbar 35, the locking unit 4 is centered on the first crossbar 35 in an adjusted position, a first locking position, and a second locking position The side surface 42 has a first curved portion 421, a cross-sectional portion 422 connected to the first curved portion 421, a second curved portion 423 connected to the cross-sectional portion 422, and a first curved portion 421 connected thereto. And the first protrusion 424 of the second curved portion 423.

The first curved portion 421 , the cross-sectional portion 422 , the first protruding portion 424 , and the second curved portion 423 are matched to form a circle and disposed on the side surface 42 of the locking unit 4 . The second curved portion 423 is disposed on the side surface 42 of the locking unit 4 . The distance from the support hole 43 is smaller than the distance between the first protrusion 424 and the support hole 43 . The distance between the first protrusion 424 and the support hole 43 is not greater than the distance between the first curved portion 421 and the support hole 43 . distance.

The cord A is in contact with the locking unit 4 when the first through hole 33 and the second through hole 34 pass through the accommodating space 31. When the locking unit 4 is rotated to the adjusted position, the section is 422 is adjacent to the bottom surface portion 321 and the distance between the two is not less than the thickness of the cord A, so that the cord A can be pulled outwardly from the first through hole 33 to adjust the length when the locking unit 4 rotates. When the locking unit 4 rotates the second locking position, the first curved portion 421 and the first protruding portion 424 are fixed to the bottom surface portion 321 when the locking portion 4 is rotated. The curved portion 421 and the first protruding portion 424 abut the strap A on the bottom surface portion 321 so that the strap A cannot be pulled out from the first through hole 33.

The locking unit 4 of the first preferred embodiment is made of a metal material to increase the durability of the life and the bearing capacity. Preferably, the stainless steel material can be used to prevent oxidation of the metal material. In addition, the first main body unit 3 can also be manufactured by using a metal material or by using other hard and rigid materials. In actual implementation, the manufacturing material of the present invention is not the focus of the present invention, and should not be limited thereto. .

3, FIG. 4 and FIG. 5, respectively, the rotation of the locking unit 4 of the first preferred embodiment to the adjustment position, the first locking position and the second locking position, preferably When the locking unit 4 is rotated to the adjusted position, the cross-sectional portion 422 of the locking unit 4 is parallel to the bottom surface portion 321 of the first body 32 and is closest to the distance. In the first preferred embodiment, The cord A is a soft cord having a thickness, a width and a length. The distance between the section 422 of the locking unit 4 and the bottom surface 321 of the first body 32 is equal to the thickness of the cord A. The cord A can move between the first through hole 33 and the second through hole 34 without being blocked by the locking unit 4, so that the user can adjust the length of the cord A protruding from the first through hole 33.

Since the section 422 is the plane 41 on the side surface 42, the distance between the second curved portion 423 and the supporting hole 43 is greater than the distance between the center of the section 422 and the supporting hole 43, and the first The distance between the protrusion 424 and the support hole 43 is greater than the distance between the second curved portion 423 and the support hole 43. When the locking unit 4 is rotated to the first locking position, the second curved portion 423 and the first portion The distance between the protruding portion 424 and the bottom portion 321 is smaller than the thickness of the strap A, so that the strap A is pressed by the second curved portion 423 and the first protruding portion 424 of the locking unit 4 to the bottom portion 321 In the above, the cord A is not easily moved between the first through hole 33 and the second through hole 34, so that the user can fix the length of the cord A extending from the first through hole 33.

When the user pulls the strap A out of the first through hole 33 by using a larger force, the locking unit 4 can be rotated from the first locking position to the second locking position. The first curved portion 421 and the first protruding portion 424 of the locking unit 4 simultaneously press the strap A against the bottom portion 321 , and since the distance between the first curved portion 421 and the supporting hole 43 is greater than the first portion The distance between the protrusion 424 and the support hole 43 is such that the locking unit 4 of the second locking position has the greatest pressing force, so that the belt A is not pulled out from the first through hole 33, In order to enable the user to achieve the effect of fixing the length of the cord A.

In the first preferred embodiment, the distance between the first curved portion 421 and the supporting hole 43 is greater than the distance between the bottom portion 321 and the supporting hole 43 to rotate the locking unit 4 to the second locking position. The bottom portion 321 is pressed against the bottom portion 321 so that the locking unit 4 can no longer continue to rotate. When the user pulls the strap A from the first through hole 33, the locking unit 4 of the buckle device Have the greatest reaction, to block The strap A is pulled out from the first through hole 33.

It is worth mentioning that the locking unit 4 of the present invention is mainly based on the concept of an eccentric shaft of a cylinder. When the cylinder is rotated, the surface of the cylinder has a different distance from the bottom portion 321 to resist the rope A. The required length has a greater restraining force than the previous buckle, which can withstand greater force and has the greatest load-bearing effect. In addition, when the user pulls the strap A of the first through hole 33 with a small force, the locking unit 4 of the first locking position has the reaction force of the support, so that the cord A is locked by the lock. The solid unit 4 is fixed in the first main body 32. In actual implementation, the locking unit 4 may also be a triangular columnar body, a quadrangular columnar body, or a polygonal columnar body, and the eccentric shaft is used. The cord A is locked. The preferred embodiment of the present invention is exemplified by a cylindrical column and should not be limited thereto.

When the user pulls the strap A from the second through hole 34, the frictional force when the strap A contacts the locking unit 4 can rotate the locking unit 4, and the second locking position is Rotation to the adjusted position via the first locking position provides the user with a quick adjustment of the length of the cord A extending from the first through hole 33.

Referring to FIG. 6 , FIG. 7 and FIG. 8 , a second preferred embodiment of the buckle device of the present invention is substantially the same as the first preferred embodiment, and the same portions are not described herein again. The locking unit 4 further includes a first elastic body 44 connecting the first body 32 and the locking unit 4, and an adjusting pressing body 45. The first elastic body 44 applies the locking unit 4 to the locking unit 4. The force rotates the locking unit 4 to the second locking position.

Preferably, the first elastic body 44 is disposed on the first crossbar 35 and simultaneously restrains the first body 32 and the locking unit 4 when the cord A is absent from the first body 32. The first elastic body 44 applies a force to the locking unit 4 and rotates the locking unit 4 to the second locking position, and when the strap A is located in the first main body unit 3, the first The elastic body 44 can apply a force to the locking unit 4 to gently fix the second curved portion 423 in the adjusted position, and the user pulls the rope A from the first through hole 33. When the locking unit 4 is to be rotated by the strap A, rotates from the adjusted position to the first locking position, or rotates the locking unit 4 to the second locking position with a large pulling force, To prevent the strap A from being pulled out from the first through hole 33.

The adjusting pressing body 45 has a pressing hole 451 disposed on the first main body 32, an adjusting key 452 pivoted on the locking unit 4 and protruding from the pressing hole 451, and a fixing unit 452 disposed on the locking unit 4 is a blocking plane 453 which can block the pressing depth of the adjusting key 452, and the adjusting key 452 can accept external pressure The force acts against the force of the first elastic body 44 against the locking unit 4, and even against the force that the cord A is pulled outward from the first through hole 33, the locking unit 4 is rotated to the adjusted position.

In the second preferred embodiment, the distance between the first curved portion 421 and the supporting hole 43 is not greater than the distance between the bottom portion 321 and the supporting hole 43, and the first body 32 further has a The limiting protrusion 322 of the space 31 is configured to limit the rotation angle of the locking unit 4, so that the locking unit 4 is pressed by the limiting protrusion 322 when the locking unit 4 is rotated to the second locking position. When the strap A is biased outward from the first through hole 33, the locking unit 4 supports the strap A against the bottom portion 321 and provides a reaction force by the limiting protrusion 322. The strap A is prevented from being pulled out from the first through hole 33.

Preferably, the first elastic body 44 of the second preferred embodiment is fixed on the limiting protrusion 322 of the first body 32 and the limiting plane 453 of the locking unit 4, the limiting protrusion The body 322 provides the supporting force of the first elastic body 44, and the locking unit 4 is rotated by the elastic force of the first elastic body 44. Due to the variety of springs, other elastic components may be used in actual implementation, and should not be used. This is limited.

When the user wants to shorten the length of the strap A, the cord A protruding from the second through hole 34 can be directly pulled, and the strap A will resist the first elastic body 44 and the first one. The tensioning force outside the through hole 33 rotates the locking unit 4 to the adjusting position, and the rope A can enter the accommodating space 31 from the first through hole 33 and be pulled out by the second through hole 34, which is shortened. The length of the cord A that protrudes from the first through hole 33.

On the contrary, when the user wants to increase the length of the strap A, the user can press the adjustment button 452 extending from the pressing hole 451, and the adjustment pressing body 45 will resist the first elastic body 44 and the first A pulling force outside a through hole 33 rotates the locking unit 4 to the adjusted position, and the user can pull the string A from the first through hole 33, and the growth is surely extended by the first through hole 33. The length of the rope A is out.

Referring to FIG. 9 , a third preferred embodiment of the buckle device of the present invention is substantially the same as the second preferred embodiment, and the same portions are not described herein again, except that the side surface 42 is There is also a second protrusion 425 disposed between the first protrusion 424 and the first curved portion 421.

When the locking unit 4 is rotated to the second locking position, the first protrusion 424, the first curved portion 421, and the interposed second protrusion 425 will simultaneously contact the strap A. And pressing the strap A on the bottom portion 321 can increase the restraining force between the locking unit 4 and the strap A for lifting the weight-bearing effect of the buckle device.

In the third preferred embodiment, the first protrusion 424 and the second protrusion 425 are both formed in a tapered shape, and the edge of the first curved portion 421 is also engaged. Presenting a tapered shape to make the lock When the solid unit 4 is in the first locking position and the second locking position, the strap A can be pressed and fixed on the bottom surface portion 321 . In actual implementation, the first protrusion 424 and the second protrusion are formed. The edge shape of the portion 425 and the first curved portion 421 may also be in other shapes to fix the cord A in the first body 32, and should not be limited thereto.

Referring to FIG. 10 and FIG. 11 , a fourth preferred embodiment of the buckle device of the present invention is substantially the same as the second preferred embodiment, and the same portions are not described herein again, except that The first body unit 3 further includes a first protrusion 36 having a first flat plate 361 extending outward from the first body 32, and a first protrusion 361 disposed in the first plate 361. The first hole 362.

The buckle device of the present invention further includes a second body unit 5, which includes a second body 51, and a insertion hole 52 disposed in the second body 51 for insertion of the first plate 361. a second crossbar 53 in the second body 51, and a pressing rod 54 rotatably pivoted by the second crossbar 53. The pressing rod 54 is rotatable between an interference position and a non-interference position. When the pressing rod 54 is rotated to the interference position, the pressing rod 54 can be inserted into the first hole 362 and interfere with the first protrusion 36, so that the first body 32 and the second body 51 are combined. Together, when the pressure bar 54 is rotated to the non-interfering position, the pressure bar 54 is separated by the first hole 362 to pull the first protrusion 36 away from the insertion hole 52.

The pressing rod 54 has a middle portion 541 pivoted from the second cross bar 53 , a pressing portion 542 disposed at one end of the middle portion 541 and protruding from the second body 51 , and a opposite end disposed at the middle portion 541 . a blocking section 543, the blocking section 543 of the pressing rod 54 is bent downward and forms a V-shaped angle 544 with the middle section 541, and the second body 51 has a recess 511 in which the blocking section 543 can be placed. When the first protrusion 36 is inserted into the insertion hole 52 and the pressing rod 54 is located at the interference position, the blocking section 543 passes through the first hole 362 to position the first flat plate 361 at the V-shaped angle 544.

The second body unit 5 further includes a second elastic body 55 connecting the second body 51 and the pressing rod 54 so that the pressing rod 54 can be bounced back to the interference position by the non-interfering position. Preferably, the second elastic body 55 is disposed on the second crossbar 53 with one end of the second body 51 and the other end of the second rod 51.

When the user wants to combine the first main body unit 3 to the second main body unit 5, the first flat plate 361 can be inserted into the insertion hole 52 and pushed against the bottom of the pressing rod 54 so that the pressing rod 54 is The interference position is propped up, and the first flat plate 361 can slide into the bottom of the pressing rod 54 at this time. When the first hole 362 slides under the blocking section 543, the blocking section 543 is immersed in the first hole 362 and placed in the recess The second elastic body 55 rotates the pressing rod 54 to the interference position, and the first protruding body 36 and the pressing rod 54 interfere with each other to combine the first main body unit 3 and the second main body unit 5.

It must be emphasized here that the inventor of the present invention bends the blocking section 543 of the pressing rod 54 downward by an angle and increases the structural height of the middle section 541 so that the blocking section 543 and the middle section 541 exhibit a V shape. An angle 544, when the first body unit 3 combined with the second body unit 5 is pulled outward, the first hole 362 of the first protrusion 36 is stuck at the V-shaped angle 544, enabling The buckle device of the invention not only can tightly lock the first main body unit 3, but also has a large load-bearing force against the large pulling force.

When the user wants to separate the first body unit 3 from the second body unit 5, the pressing section 542 can be depressed to rotate the pressing rod 54 to the non-interfering position, so that the blocking section 543 is replaced by the first The hole 362 is pulled away, and the pressing rod 54 is separated from the first protrusion 36 to separate the first body unit 3 from the second body unit 5.

Referring to FIG. 12, a fifth preferred embodiment of the buckle device of the present invention is substantially the same as the fourth preferred embodiment, and the same is not described herein again, except that the second The main body unit 5 further includes a second protrusion 56 having a second plate 561 extending outward from the second body 51 and a second portion disposed in the second plate 561. Hole 562. The cord A1 is a cord A drawn by the first through hole 33, and the cord A2 is a cord A drawn by the second through hole 34.

In the fifth preferred embodiment, the adjustment button 452 and the blocking section 543 of the pressing rod 54 have been designed as a button, and the user can insert the first body unit 3 into the second group. When the two are combined in the body unit, the blocking portion 543 can be pressed to separate the first body unit 3 and the second body unit 5.

If the user wants to adjust the length of the strap A1, pressing the adjusting button 452 of the adjusting pressing body 45 can pull the strap A1 of the first through hole 33 outward to increase the length of the strap A1. On the other hand, if the length of the strap A1 is to be shortened, the strap A2 of the second through hole 34 is directly pulled, and the length of the strap A1 of the first through hole 33 can be quickly shortened.

The second aperture 562 can be reused by the user to secure the strap A with the second projection 56, so that the buckle device of the present invention can be used in a variety of applications. For example, a buckle that adjusts the length of the cord A on the backpack, a fastener on the belt, or a strap A fastener that binds the cargo on the truck can be used to provide The user can quickly adjust the length of the strap A and the locking buckle device.

It can be seen from the above description that the buckle device of the present invention has the following advantages:

1, can withstand a large pulling force

The locking unit 4 of the present invention mainly uses the concept of eccentricity to quickly lock the cord A, and uses the first curved portion 421 and the first protruding portion 424 to strengthen the locking force of the cord A. The first hole 362 of the first protrusion 36 is coupled to the V-shaped angle 544 of the pressing rod 54 when the first body 32 and the second body 51 are combined, so that the buckle of the present invention can be The device can withstand large pulling forces.

2, quickly adjust the length of the rope

Pressing the adjustment button 452 can quickly rotate the locking unit 4 to the adjusted position, so that the user can lengthen the length of the strap A and directly pull the strap A of the second through hole 34, and the The length of the strap A is shortened, and the user can quickly adjust the length of the strap A.

3, quickly combine

The user can directly push the first protrusion of the first body unit 3 into the second body unit 5 and combine the first body unit 3 and the second body unit 5 to press the pressure rod 54. Pressing the segment 542 can separate the first body unit 3 and the second body unit 5, and achieve the combined effect simply and quickly.

In summary, the buckle device of the present invention can be quickly rotated to the adjustment position by using the locking unit 4 disposed in the first body unit 3, and the first locking position and the second locking position. The buckle device of the invention not only can quickly adjust the length of the strap A and has a large bearing capacity, but the eccentrically designed locking unit 4 also has a faster locking speed, and cooperates with the second main body unit 5 The pressing rod 54 can quickly combine and separate the first body unit 3 and the second body unit 5, so that the object of the present invention can be achieved.

The embodiments described above are merely preferred embodiments for the purpose of fully illustrating the invention, and the scope of the invention is not limited thereto. Equivalent substitutions or modifications made by those skilled in the art based on the present invention are within the scope of the present invention. The scope of the invention is defined by the claims.

Claims

A buckle device adapted to adjust a length of a strap, characterized by comprising:

a first body unit includes a first body defined around an accommodating space, a first through hole disposed on the first body, a second through hole disposed on the first body, and a setting a first crossbar in the accommodating space, the first body having a bottom portion located in the accommodating space;

a locking unit having a columnar body and disposed in the accommodating space, the locking unit comprising two parallel and spaced planes, a side connecting the circumferences of the plane, and a through plane The center is sleeved on the support hole of the first crossbar, and the locking unit rotates with the first crossbar as an axis at an adjusted position, a first locking position, and a second locking position. The side surface has a first curved portion, a cross-sectional portion connected to the first curved portion, a second curved portion connected to the cross-sectional portion, and a first protrusion connecting the first curved portion and the second curved portion The distance between the second curved portion and the supporting hole is smaller than the distance between the first curved portion and the supporting hole;

The cord passes through the accommodating space and contacts the locking unit by the first through hole and the second through hole. When the locking unit is rotated to the adjusting position, the cross-section portion is close to the bottom surface portion and The distance between the cross-section portion and the bottom surface portion is not less than the thickness of the strap, so that the strap can be pulled outwardly from the first through-hole to adjust the length when the locking unit rotates the first locking position. The first curved portion and the first protruding portion fix the cord to the bottom surface portion, and when the locking unit rotates the second locking position, the first curved portion and the first protruding portion The cord is secured to the bottom portion such that the strap cannot be pulled out of the first through hole.
The buckle device according to claim 1, wherein when the cord is biased outward by the second through hole, the locking unit is rotated by the rope to the adjusted position to enable the The cord is pulled out by the second through hole.
The buckle device according to claim 2, wherein the locking unit further comprises a first elastic body connecting the first body and the locking unit, the first elastic body locking the locking unit Apply force and turn to the second locking position.
The buckle device according to claim 3, wherein the locking unit further comprises an adjusting pressing body, and has a pressing hole disposed on the first body, and is pivotally mounted on the locking unit And an adjustment button protruding from the pressing hole, and a limiting plane disposed on the locking unit and capable of blocking a pressing depth of the adjusting key, the adjusting button is capable of receiving external pressure and rotating the locking unit to the Adjust position.
The buckle device according to claim 4, wherein the first body further has a limiting protrusion disposed in the accommodating space for limiting a rotation angle of the locking unit.
The buckle device according to claim 5, wherein the side surface further has a second protrusion disposed between the first protrusion and the first curved portion.
The buckle device according to claim 6, wherein the first body unit further comprises a first protrusion, the first protrusion having a first flat plate extending outward from the first body. And a first hole disposed in the first flat plate.
The buckle device according to claim 7, wherein the buckle device further comprises a second body unit, the second body unit comprises a second body, and is disposed in the second body and is a first hole inserted into the insertion hole, a second cross bar disposed in the second body, and a pressure bar pivotable by the second cross bar, the pressure bar being capable of being in an interference position and Rotating between the non-interfering positions, when the pressing rod is rotated to the interference position, the pressing rod can be inserted into the first hole and interfere with the first protrusion to make the first body and the second body When combined, when the pressure bar is rotated to the non-interference position, the pressure bar is separated by the first hole to pull the first protrusion away from the insertion hole.
The buckle device according to claim 8, wherein the pressing rod has a middle portion pivoted with the second cross rod, a pressing portion disposed at one end of the middle portion, and a middle portion disposed at the middle portion a blocking portion of the opposite end, the blocking portion of the pressing rod is bent downward and forms a V-shaped angle with the middle portion, and the second body has a recess capable of placing the blocking portion, when the first protruding body When the insertion hole is inserted and the pressing rod is located at the interference position, the blocking section passes through the first hole to position the first plate at the V-shaped angle.
The buckle device according to claim 9, wherein the second body unit further comprises a second elastic body connected between the second body and the pressing rod, so that the pressing rod can be The non-interfering position bounces back to the interference position.