TWI832651B - Buckle fastening and releasing structure - Google Patents

Abstract

A buckle fastening and releasing structure, the buckle includes a control part rotatably connected to a base, the control part is connected to a buckle rod, and the buckle rod can buckle a hook base; the buckle And a release structure is provided on the control part, including an actuating part, a buckling part, and a compression spring; the actuating part and the buckling part are connected to each other through a frame opening of the control part, and the compression spring The buckle is disposed between the actuator and the buckle; the buckle has a buckle angle that can be buckled in a locking hole of the base. Accordingly, the hasp is in a locked and locked state; the buckle is locked. When the moving part is pushed upward, the buckle is pushed upward, compressing the compression spring, causing the buckle angle to break away from the locking hole, and the buckle is released and unlocked.

Description

Buckle fastening and releasing structure

The present invention relates to buckles, and more specifically, is a buckle structure that is convenient for users to operate.

Hasps are often used to lock lids and boxes of tool boxes. A typical hasp generally includes a hook seat fixed on the box cover, a pull piece positioned on the box body, and when the pull piece is pulled, it can swing around a pivot axis toward the hook seat; a torsion spring coil Around the pivot, one of the spring legs pulls the pull piece, so that the pull piece has a normal swing tendency different from that of the hook base; the pull piece is connected to a buckle, and when the pull piece swings toward the hook base When the buckle ring can enter (or break away from) the hook seat, when the pull piece swings against the hook seat, the buckle ring and the hook seat are tightly locked, and the buckle is locked.

The prior technology of the buckle, such as TW201934862A, is provided with a pivotable handle (symbol 20) on a base (symbol 10), which drives a pair of spring arms (symbol 40) to buckle the pull rod (symbol 64). ) can enter or leave a hook base (symbol 50); the base and the handle are provided with a locking piece (symbol 30) that can move forward and backward, and the locking piece has a stopper (symbol 131) for engaging with the base ) contacts and locks the bevel (symbol 333) and the locking opening (symbol 334); the locking part contacts the inclined surface, which can cause the locking piece to move forward until the locking part corresponds to the locking opening, and the locking part The locking piece automatically moves backward so that the locking opening and the buckling part are locked with each other; conversely, pushing the locking part forward can release the locking relationship between the locking opening and the buckling part.

Another prior art buckle, such as TW202242237, includes a buckle body (symbol 10) and two spring arms (symbol 11) respectively pivotally connected to both sides of the buckle body; the front ends of the two spring arms are connected to a Pull button lever (symbol 12); the buckle body includes: base (symbol 20), control seat (symbol 30), pull seat (symbol 40), tension spring (symbol 53), and locking pivot (symbol 52 ). Turn a finger attachment (symbol 33) to move the control base between the base and the pull base, and the locking pivot connected to the control base is separated from the buckle corner of the base, and the buckle body is in the shape of On the contrary, after the buckle lever is connected to a hook seat (symbol 13), the control seat in the released state is pressed down, so that the locking pivot returns to the buckle through the inclined guide surface of the base. In the corner, the buckle body is in a locked and locked state.

The object of the present invention is to provide a new type of buckle, which has a fastening and releasing structure that is more convenient for users to operate.

Technical features of the invention:

A buckle fastening and releasing structure, the buckle includes a control part rotatably connected to a base, the control part is connected to a buckle rod, and the buckle rod can buckle a hook base; the buckle And a release structure is provided on the control part, including an actuating part, a buckling part, and a compression spring; the actuating part and the buckling part are connected to each other through a frame opening of the control part, and the compression spring The buckle is disposed between the actuator and the buckle; the buckle has a buckle angle that can be buckled in a locking hole of the base. Accordingly, the hasp is in a locked and locked state; the buckle is locked. When the moving part is pushed upward, the buckle is pushed upward, compressing the compression spring, causing the buckle angle to break away from the locking hole, and the buckle is released and unlocked.

The buckle of the present invention can be operated by the index finger and thumb of one hand when it is loosened and unlocked, which is very convenient and labor-saving.

10: Base

11:Screws

12:Card production department

13: Carding hole

14:Connection part

15: Fixed objects

20:Hook seat

21:Screw

22:Moving parts

30:Control parts

32: Refer to the attached part

33: frame mouth

34:Extension arm

35: Pivot component

40:Latch lever

41:Joint

42: Threaded section

43:Pivot

44:Threaded hole

45: Fastening part

50: Clamping and loosening structure

51: Actuator

512: Actuation arm

52: fasteners

522: snap ear

523:Buckle corner

524: Inclined guide surface

525:Through hole

526: Undertaking Department

53:Compression spring

54:Limiting piece

541:Limited opening

542:Baffle

[Fig. 1] A three-dimensional appearance view of the buckle of the present invention in the buckled state.

[Figure 2] is an exploded perspective view of Figure 1.

[Figure 3] is an exploded view of some of the components in Figure 2.

[Figure 4] is a cross-sectional view of Figure 1.

[Figure 5] is a partial enlarged view of Figure 4.

[Figure 6] is a schematic diagram of the user's action of releasing the buckle of the present invention.

[Figure 7] is a schematic diagram describing the buckle loosening action based on Figure 5.

[Figure 8] Side view and action diagram of the buckle of the present invention.

[Figure 9] is a schematic diagram describing the action of the buckle buckle based on Figure 5.

[Figure 10] is a continuation of Figure 9.

In order to facilitate the explanation of the central idea of the present invention expressed in the above summary column, specific embodiments are hereby expressed. Various objects in the embodiments are drawn according to proportions, sizes, deformations or displacements suitable for illustration, rather than according to the proportions of actual components, and are explained first. In the following description, identical and symmetrically arranged components are represented by the same numbers. The use of directional terms in the following description is based on the direction of view and cannot be interpreted as a limitation on this creation.

As shown in Figures 1 to 5, the buckle of the present invention includes a base 10, a hook seat 20, a control part 30, a buckle rod 40, and a clamping and releasing structure 50.

The base 10 is fixed to a fixed object 15 through several screws 11, and the hook base 20 is fixed through several screws 11. A screw 21 is fixed on a moving part 22. The most typical examples of the fixed object 15 and the moving part 22 are a box (fixed object 15) and a box cover (moving part 22), but they are not limited thereto. The base 10 is provided with a locking portion 12 , and the locking portion 12 is provided with a locking hole 13 .

The end of the control member 30 is slightly bent to form a finger attachment portion 32 . The control member 30 extends two parallel extension arms 34 forward from both sides of the control member 30. The two extension arms 34 are pivotally connected to the two connecting portions 14 of the base 10 with a pivot assembly 35. The two extension arms 34 can revolve around the pivot. The connecting assembly 35 rotates.

The buckle lever 40 includes a joint part 41 and a buckle part 45 . The joint part 41 has a rod-shaped structure, and the buckling part 45 has a ring-shaped structure. The joint part 41 is provided with a threaded section 42 , and the threaded section 42 is pivoted in a threaded hole 44 that radially penetrates a pivot shaft 43 . The pivot 43 is rotatably connected between the two extension arms 34 . Through the threaded section 42 and the threaded hole 44 , the engaging portion 41 can change the length extending out of the pivot 43 so that the buckling portion 45 can hook the hook seat 20 .

The clamping and releasing structure 50 is provided on the control part 30 . It includes an actuating part 51, a locking part 52, and a compression spring 53. Preferably, it also includes a limiting member 54.

The actuating member 51 is located on the front surface of the control member 30. The actuating member 51 has two actuating arms 512 extending rearward in parallel from both sides of the actuating member 51. The two actuating arms 512 are along both sides of the frame opening 33. Pass through the frame opening 33 to the rear surface of the control member 30 .

The buckle part 52 is located on the rear surface of the control part 30 . The buckle 52 has two buckle ears 522 extending rearward and parallel from both sides thereof. The buckle 52 has two through holes 525 and a receiving portion 526 . The two through holes 525 are used for the two actuating arms 512 to extend and be bent and riveted. The receiving portion 526 is along the bottom side of the frame opening 33 . The buckling ear 522 includes a buckling corner 523. The buckling ear 522 is provided with an inclined guide surface 524 adjacent to the buckling corner 523. The inclined guide surface 524 can lead to the buckling corner 523.

The compression spring 53 is located between the buckle part 52 and the actuating part 51. The compression spring 53 The top end of the compression spring 53 abuts the upper side of the frame opening 33 , and the bottom end of the compression spring 53 abuts the receiving portion 526 .

Preferably, the fastening and releasing structure 50 further includes a limiting member 54 . The limiting member 54 is disposed between the actuating member 51 and the control member 30 . The limiting member 54 includes a limiting opening 541 corresponding to the frame opening 33 , and the limiting opening 541 allows the actuating arm 512 to extend. The bottom side of the limiting opening 541 is bent toward the upper side of the receiving portion 526 to form a blocking piece 542 . The receiving portion 526 holds the blocking piece 542 . Accordingly, the bottom end of the compression spring 53 abuts the blocking piece. 542.

As shown in Figure 4 and Figure 5, the buckle is in a locked state. The buckling portion 45 hooks the hook base 20 . The control member 30 is pressed toward the base 10 , and the buckling angle 523 of the buckling ear 522 is engaged in the locking hole 13 of the base 10 . The elastic force of the compression spring 53 is applied to the buckle 52 , so that the buckle angle 523 can be tightly locked in the locking hole 13 .

As shown in FIGS. 6 and 7 , to loosen and unlock the buckle, the user touches the attached portion 32 of the control member 30 with the index finger of one hand, and pushes the actuating member 51 upwards with the thumb of the same hand. The actuating member 51 moving upward pushes the buckling member 52 upward through the two actuating arms 512, compressing the compression spring 53, causing the buckling angle 523 to break away from the locking hole 13, and the buckle is released. Unlock. In the above embodiment including the limiting member 54, when the buckling member 52 moves upward, the retaining portion 526 holds the blocking piece 542, so the limiting member 54 moves upward simultaneously and compresses the blocking piece 542. Compress spring 53, and the hasp is in a loose and unlocked state.

As shown in FIG. 8 , when the buckle is in a loose and unlocked state, the control member 30 uses the two extension arms 34 to swing around the pivot assembly 35 in a direction away from the base 10 , thus causing the buckle lever 40 to move. The engaging portion 45 is separated from the hook base 20 .

As shown in Figure 9 and Figure 10, if you want to return the hasp from the loose and unlocked state to the locked and locked state, When, firstly, the buckling portion 45 of the buckle lever 40 is buckled with the hook base 20, and then the control member 30 is pressed toward the base 10, and the inclined guide surface 524 of the buckling ear 522 presses the base 10 The clamping part 12, the reaction force of the clamping part 12 to the inclined guide surface 524 urges the clamping part 52 to move upward, compressing the compression spring 53, and at the same time, the limiting part 54 and the actuating part 51 are synchronized Move upward until the inclined guide surface 524 is separated from the clamping portion 12, and continue to press the control member 30 toward the base 10. The buckling angle 523 can slide toward the clamping portion through the top surface of the clamping portion 12. In the hole 13, the compression spring 53 releases its energy to push the buckle part 52, the actuating part 51 and the limiting part 54 back to their original positions. The buckle angle 523 is locked into the locking hole 13, and the buckle returns to its original position. to the locked state.

10: Base

14:Connection part

15: Fixed objects

20:Hook seat

21:Screw

22:Moving parts

30:Control parts

32: Refer to the attached part

34:Extension arm

35: Pivot component

40:Latch lever

41:Joint

42: Threaded section

43:Pivot

45: Fastening part

50: Clamping and loosening structure

51: Actuator

Claims (3)

A buckle fastening and releasing structure includes: a base, fixed on a fixed object; the base is provided with a locking part, and the locking part is provided with a locking hole; a hook base, fixed on a moving part; The control part is rotatably and pivotally connected to the base with a pivot component; the control part is provided with a frame opening; the end of the control part is formed with a finger attachment part; a buckle lever includes a joint part and a buckle part ; The joint part is pivotally connected to the control part through a pivot axis, and the buckle lever can rotate around the pivot axis; the buckle part is used to hook the hook seat; a clamping and releasing structure is provided on the The control part includes an actuating part, a buckle, a compression spring and a limiting part; the actuating part has two actuating arms extending in parallel from both sides of the actuating part; the actuating part is located in front of the control part The two actuating arms pass through the frame opening to the rear surface of the control member; the buckle member has two buckle ears extending in parallel from both sides; the buckle member is provided with two through holes and a receiving portion; The buckle is located on the rear surface of the control part, and the two through holes are for the two actuating arms to extend and be riveted; the receiving portion is located on the bottom side of the frame opening; the buckling ear includes a buckling angle , the buckle ear is provided with an inclined guide surface adjacent to the buckle angle, and the inclined guide surface can lead to the buckle angle; the compression spring is located between the buckle part and the actuator, and the top end of the compression spring It abuts against the upper side of the frame opening, and the bottom end of the compression spring abuts against the receiving portion; the limiting member is provided between the actuating member and the control member, and includes a limiting opening corresponding to the frame opening. , the two actuating arms are provided to extend, and the bottom side of the limiting opening is bent toward the top of the receiving portion to provide a The baffle, the receiving part supports the baffle, whereby the bottom end of the compression spring presses against the baffle; wherein the buckle part hooks the hook base; the control member presses against the base, and the compression spring The elastic force of the spring is exerted on the receiving part, and the buckle angle is buckled in the locking hole. At this time, it is in a locked state; push the actuating part upward, the buckling part is pushed upward, and the receiving part The compression spring is compressed, and the buckle angle is separated from the locking hole. At this time, it is in a loose and unlocked state. The buckle fastening and releasing structure as claimed in claim 1, wherein the control member further includes two extension arms extending in parallel from both sides thereof; the two extension arms are pivotally connected to the two sides of the base through the pivot assembly. The control part is rotatable around the pivot component through the two extension arms. The buckle fastening and releasing structure of claim 1, wherein the joint part is a rod-shaped structure, the joint part is provided with a threaded section, and the threaded section is pivoted through a threaded hole radially penetrating the pivot. middle.

Images