TWI680084B - Built-in spring buckle structure - Google Patents

Abstract

A spring built-in buckle structure includes: a base, a trigger, a spring fixing group, a fastener, and a buckle; the spring fixing group is located between the base and the trigger; The base, the spring fixing group, and the first end of the triggering member are pivoted with a first pivot; the second end of the fastener, the second end of the spring fixing group, and the middle position of the triggering member A pivot is penetrated by a second pivot; the springs of the spring fixing group respectively abut the first pivot and the second pivot. The spring of the spring fixing group cooperates with the trigger member and the fastening member to perform elastic telescopic movement through the first pivot shaft and the second pivot shaft, so that the fastening member is fastened or released from the fastening seat.

Description

Built-in spring buckle structure

The present invention relates to a buckle, and more specifically, it is a buckle structure with a built-in spring.

A buckle with a spring, as shown in the new patent publications No. 448968 and M560502 of the Republic of China, has a detent arm (or spring arm) equipped with a spring to strengthen the buckle and the buckle (or (Hook seat) fastening force and improve the buckling stability. This type of buckle is temporarily referred to as a spring external buckle. It is worthwhile to consider that the spring is externally located and located on the left and right sides of the buckle, so that the total volume of the buckle becomes larger; and the exposed spring is susceptible to dust and dirt, and it is also easy to be interfered by peripheral objects at its installation location. Higher spring damage rate.

Based on the problem of the above-mentioned external spring, the present invention proposes a buckle for a built-in spring.

A spring built-in buckle structure includes: a base, a trigger, a spring fixing group, a buckle, and a buckle seat; the base and the buckle seat are respectively fixed to opposite sides of a solid object. The spring fixing group is located between the base and the trigger; the base, the spring fixing group and the first end of the trigger are respectively provided with a first pivot hole for a first pivot to pass through Pivot, the spring fixing group and the trigger member can be pivoted toward or away from the base around the first pivot axis; a first end of the fastener is provided with a combination with the fastener seat Or separate snap eaves, the A second pivot hole is provided at the second end of the fastener, the second end of the spring fixing group, and the middle position of the trigger member for a second pivot to pass through the pivot; the spring fixing group and the trigger The second pivot hole of the component is a horizontally elongated hole, and the second pivot hole of the fastener is a circular hole. The interior of the spring fixing group includes two parallel and parallel springs and a space that is blocked between the two springs. Plate; two ends of each of the springs abut against the first pivot axis and the second pivot axis, respectively.

Preferably, the spring fixing group further includes a lower cover covering the spring and the spacer plate and an upper cover, the first pivot shaft pivots the lower cover and the first end of the upper cover, and the lower cover and the upper cover The second end is provided with the second pivot hole for the second pivot to pass through.

Preferably, each of the upper cover and the lower cover is provided with a positioning hole, and the top and bottom edges of the partition plate are each provided with a protruding positioning portion, and the positioning portion is tightly fixed in the positioning hole.

Preferably, both sides of the lower cover are provided with side flaps which are turned upwards, and both sides of the upper cover are provided with side walls which are turned downwards; the upper cover is connected with the lower side in such a manner that the side walls are located inside the side baffles. The cover is relatively combined; the side wall, the side baffle, and the partition plate sufficiently restrain the spring, so that the spring maintains an elastic expansion direction.

Preferably, the partition plate is provided with a second longitudinally elongated second pivot hole for the second pivot to pass through.

The effect of the present invention: The trigger is relatively combined with the base, and the spring fixing group is hidden between the trigger and the base, forming a so-called spring built-in buckle structure. Compared with the prior art spring-out buckle, the present invention can provide more protection for the spring, and can also specifically reduce the total volume of the buckle.

When the buckle of the present invention is fastened, the elastic force of the two springs pushes against the one pivot and the second pivot, so that the second pivot is located at the end of the second pivot hole, and the second pivot pushes against the The fasteners cause the fasteners to generate tension opposite to the fastener seat to fasten each other.

There are two ways to release the buckle. The first is to push the fastener a short distance in the direction of the fastening seat to loosen the snap eaves of the two, and then pull the fastener upward to make it Stay away from the buckle. The second method is to directly pull the trigger in the fastened state upward, so that the fastener can escape from the fastener seat.

The spring fixing group of the present invention uses two springs to apply an average spring force to the first pivot axis and the second pivot axis, so that the forces of the first pivot axis and the second pivot axis can be balanced without being skewed.

The spring fixing group uses a spacer plate to cooperate with the side plates of the upper cover and the lower cover to limit and separate the two springs, maintains the stability of the two springs in the expansion and contraction directions, avoids improper bending and skewing of the springs, avoids spring displacement, and avoids spring interference.

10‧‧‧ base

11‧‧‧ first pivot hole

20‧‧‧Trigger

21‧‧‧ the first pivot hole

22‧‧‧ second pivot hole

30‧‧‧ Fastener

31‧‧‧Clip eaves

32‧‧‧ second pivot hole

40‧‧‧ buckle seat

41‧‧‧Clip eaves

50‧‧‧Spring fixing group

51‧‧‧first pivot hole

52‧‧‧ second pivot hole

53‧‧‧ Upper cover

531‧‧‧ positioning hole

532‧‧‧ sidewall

54‧‧‧ lower cover

541‧‧‧ positioning hole

542‧‧‧side shield

55‧‧‧ Spacer

551‧‧‧Positioning Department

56‧‧‧Spring

61‧‧‧first pivot

62‧‧‧ second pivot

70‧‧‧Fixed parts

71‧‧‧ Relative opening and closing parts

72‧‧‧ Relative opening and closing parts

FIG. 1 is a top combination appearance view of the buckle according to the present invention.

Fig. 2 is a bottom view of the buckle of the present invention.

FIG. 3 is an exploded view of an assembly of a spring fixing group combined with a base and a trigger member according to the present invention.

FIG. 4 is an exploded view of the combination of the base, the spring fixed seat, the trigger member and the fastening member according to the present invention.

FIG. 5 is an exploded perspective view of a spring fixing group and a base of the buckle according to the present invention.

Fig. 6 is an exploded perspective view of the spring fixing group of the buckle according to the present invention.

Fig. 7 is a cross-sectional view of the buckle of the present invention in a fastened state taken along a vertical line.

FIG. 8 is a cross-sectional view of the buckle in a fastened state along a horizontal line.

Fig. 9 is a cross-sectional view of the buckle of the present invention in a released state along a vertical line.

Fig. 10 is a cross-sectional view of the buckle of the present invention in a released state along a horizontal line.

Fig. 11 is a cross-sectional view of the buckle of the present invention in a tripped state along a vertical line.

In order to facilitate the description of the central idea of the present invention in the above-mentioned summary of content, specific embodiments are described below. Various objects in the embodiments are depicted in proportions, sizes, deformations, or displacements suitable for illustration, rather than in proportion to actual elements, which will be described together. In addition, the following descriptions about the directions of up, down, left, right, front, back, etc. are based on the view direction, and are not intended to limit the use direction of the present invention.

As shown in FIGS. 1 and 2, the buckle of the present invention includes a base 10, a trigger member 20 pivotally connected to the base 10, a fastener 30 pivotally connected to the base 10 and the trigger 20, and a lockable member 30 The fastening member 30 is combined with or separated from the fastening seat 40. The base 10 and the buckle seat 40 are respectively fixed at the opposite opening and closing positions 71, 72 (described in Figures 7 and 9) of a solid object with fixing members 70 (eg, screws), such as a box and a lid, and a buckle. The combination seat 40 is fixed to the box, and the base 10 is fixed to the box cover. The first end of the fastening member 30 is provided with a buckle eaves 31 that turns 90 degrees, for combining or separating with the same but opposite buckle eaves 41 of the buckle seat 40.

As shown in FIGS. 3 and 4, a spring fixing group 50 is further included between the base 10 and the trigger 20. The base 10, the spring fixing group 50 and the first end of the side wall of the trigger member 20 are provided with first pivot holes 11, 21, 51 for a first pivot shaft 61 to pivot, the spring fixing group 50 and the trigger member. 20 can be pivoted toward or away from the base 10 around the first pivot axis 61. The second end of the side wall of the fastener 30, the second end of the spring fixing group 50, and the middle position of the side wall of the trigger 20 are provided with second pivot holes 22, 32, 52 for a second pivot shaft 62 to pivot . The spring fixing group 50 and the second pivot holes 52 and 22 of the trigger member 20 are elongated holes, and the second pivot hole 32 of the fastener 30 is a round hole.

As shown in Figures 2, 5, and 6, the spring fixing group 50 includes a lower cover 54, an upper cover 53, A spacer plate 55 and two springs 56. Each side of the lower cover 54 has a side flap 542 turning upward, and each side of the upper cover 53 has a side wall 532 turning downward; the upper cover 53 is opposed to the lower cover 54 with the side wall 532 inside the side flap 542. The upper cover 53 and the lower cover 54 are respectively provided with positioning holes 531 and 541 in the center, and the top and bottom sides of the partition plate 55 each have a protruding positioning portion 551. It is located between the upper cover 53 and the lower cover 54 and separates left and right spaces for the spring 56 to be placed. The side wall 532, the side blocking piece 542, and the spacer 55 fully restrain the spring 56 so that the spring 56 maintains elastic expansion and contraction. Direction, no distortion, no bending, no interference with each other. The first ends of the upper cover 53, the lower cover 54 and the partition plate 55 are provided with the first pivot holes described above. The second ends of the upper cover 53, the lower cover 54 and the partition plate 55 are provided with the second pivot holes described above. As shown in FIG. 7 and FIG. 8, through the pivoting of the first pivot shaft 61 and the second pivot shaft 62, both ends of the spring 56 abut against the first pivot shaft 61 and the second pivot shaft 62, respectively.

Figures 7 and 8 describe the fastening state of the buckle. The trigger member 20 and the base 10 are relatively combined, and the spring fixing group 50 is hidden between the trigger member 20 and the base 10. The elastic force of the two springs 56 pushes against the second pivot shaft 62, so that the second pivot shaft 62 generates a pulling force to act on the fastener 30, and the fastener eaves 31 of the fastener 30 and the fastener of the fastener seat 40 The eaves 31 are fastened to each other.

Figures 9 to 11 describe the buckle release state. Push the fastener 30 toward the left side of the figure, so that the second pivot shaft 62 is displaced along the second pivot holes 52, 22 in a direction to compress the spring 56 for a short distance, so that the fastener 30 and the fastener seat 40 The buckle eaves 31, 41 of the user are loosened; then, the fastener 30 is pulled upward to keep it away from the fastener seat 40, and the spring 56 is released to push against the second pivot shaft 62. The two pivots 62 and the fastening member 30 move upwards in the same movement, so that the buckle is in a trip state.

To change the buckle from the disengaged state to the fastened state, the buckling eaves 31 of the buckling member 30 are first put on the buckling eaves 41 of the buckle seat 40, and the second pivot 62 is displaced by the buckling member 30 While compressing the spring 56, and then press the trigger 20 to the state of FIG. 9, the elastic force of the two springs 56 pushes against the second pivot 62, so that the second pivot 62 generates a pulling force to act on the fastener 30, The buckle eaves 31 of the buckle 30 and the buckle eaves 41 of the buckle seat 40 are fastened to each other.

Figures 9 to 11 describe a method of tripping a buckle. However, another way of tripping is to pull the trigger 20 directly from the fastened state in FIG. 9 to make it the state in FIG. 11.

In the present invention, the spring 56 of the spring fixing group 50 cooperates with the triggering member 20 and the engaging member 30 to perform elastic telescopic movement through the first pivot shaft 61 and the second pivot shaft 62, so that the engaging member 30 and the The buckle seat 40 is fastened or tripped. In order to balance the forces of the first pivot shaft 61 and the second pivot shaft 62 without being skewed, two springs 56 are used to apply an average spring force to the first pivot shaft 61 and the second pivot shaft 62.

In order to maintain the stability of the two springs 56 in the expansion and contraction directions, to prevent the springs 56 from being bent or skewed improperly, to prevent the springs 56 from displacing, and to prevent the springs 56 from interfering with each other, the spacers 55 are limited to the side plates of the upper cover 53 and the side plates of the lower cover 54. The spring 56.

The spring fixing group 50 is embedded between the base 10 and the trigger 20, so the present invention belongs to a built-in buckle of a spring 56. Compared with the externally mounted buckle of the spring 56 of the prior art, the built-in buckle of the spring 56 of the present invention can provide more protection for the spring 56 and can also specifically reduce the total volume of the buckle.

Claims (5)

A spring built-in buckle structure includes: a base, a trigger, a spring fixing group, a buckle, and a buckle seat; the base and the buckle seat are respectively fixed to opposite sides of a solid object. The spring fixing group is located between the base and the trigger; the base, the spring fixing group and the first end of the trigger are respectively provided with a first pivot hole for a first pivot to pass through Pivot, the spring fixing group and the trigger member can be pivoted toward or away from the base around the first pivot axis; a first end of the fastener is provided with a combination with the fastener seat Or a separate snap eave, a second pivot hole is provided at the second end of the fastener, the second end of the spring fixing group, and the middle position of the trigger member, for a second pivot to pass through the pivot; The spring fixing group and the second pivot hole of the triggering member are laterally elongated holes, and the second pivot hole of the fastening member is a round hole; the interior of the spring fixing group includes two parallel and parallel springs and a block on the A spacer plate between the two springs; two ends of each of the springs respectively abut the first pivot axis and the second pivot axis. According to claim 1, the spring built-in buckle structure further includes a lower cover and an upper cover covering the spring and the partition plate, and the first pivot passes through the lower cover and the upper cover. The first end, the lower end and the second end of the upper cover are provided with the second pivot hole for the second pivot to pass through the pivot. As described in claim 2, a built-in buckle structure of the spring, wherein each of the upper cover and the lower cover is provided with a positioning hole, and the top and bottom edges of the partition plate are each provided with a convex positioning portion, and the positioning portion is tight. Made in the positioning hole. The built-in buckle structure according to claim 3, wherein each side of the lower cover has a side flap that turns upward, and each side of the upper cover has a side wall that turns downward; the side wall is located on the side The inner side of the baffle makes the upper cover and the lower cover relatively combined; the side wall, the side baffle, and the spacer fully restrain the spring, so that the spring maintains the elastic expansion direction. The snap-in buckle structure according to claim 1, wherein the partition plate is provided with a laterally elongated second pivot hole for the second pivot shaft to pivot.