CN218061867U

CN218061867U - Non-deformable's butterfly lock

Info

Publication number: CN218061867U
Application number: CN202221947114.3U
Authority: CN
Inventors: 汪吉祥; 邰付杰; 吴纪芬; 谢琪智; 周德云
Original assignee: Guangzhou Fande Metal Products Co ltd
Current assignee: Guangzhou Fande Metal Products Co ltd
Priority date: 2022-07-27
Filing date: 2022-07-27
Publication date: 2022-12-16
Anticipated expiration: 2032-07-27

Abstract

The utility model discloses a non-deformable's butterfly lock, include: the device comprises a base, a rotating shaft and two pressure springs; two side edges of the base are respectively provided with a side guard plate; the two side guard plates are respectively provided with a first through hole and a second through hole; the first through hole is waist-shaped; two ends of the rotating shaft respectively penetrate through the two first through holes and then are connected with one ends of the two pressure springs; the other ends of the two pressure springs penetrate through the two second through holes in a one-to-one correspondence mode. This patent provides the displacement space of vibration for the rotation axis through set up the first through-hole of waist shape on the base of butterfly lock, then sets up a pressure spring respectively with the both ends of rotation axis, guarantees that the rotation axis is receiving the vibrations in-process, can not lead to deformation because of rigid connection, adopts the pressure spring to absorb the impact force that the rotation axis received, has improved the life of rotation axis. And the bending part of the lock tongue is stamped to form the reinforcing rib, so that the strength of the lock tongue can be improved, the lock tongue is prevented from being easily deformed, and the service life of equipment is prolonged.

Description

Non-deformable's butterfly lock

Technical Field

The utility model relates to a tool to lock technical field, concretely relates to non-deformable's butterfly lock.

Background

In the prior art, music equipment needs to be moved back and forth according to the arrangement of performances, and for the music equipment such as a sound box, a power amplifier or a disc player, a thick wooden box is needed to be used as a protective shell in the moving process; a butterfly lock is usually used as a locking device between a cover and a box body of an existing wooden protection box, and when the existing butterfly lock is in a locked state, a rotating shaft of a butterfly is deformed due to vibration generated by carrying the box body, so that the butterfly lock cannot be opened; in addition, in the vibration process of the existing butterfly lock, the barb on the lock tongue can deform under the action of external force.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to disclose a non-deformable's butterfly lock, solved current butterfly lock and had the rotation axis and take place the easy problem that warp of barb on warp and the spring bolt easily.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a non-deformable butterfly lock comprising: the base is fixedly connected with the box body, the rotating shaft and the two pressure springs are arranged on the rotating shaft; two side edges of the base are respectively provided with a side guard plate; a first through hole and a second through hole are formed in each of the two side guard plates; the first through hole is waist-shaped; two ends of the rotating shaft respectively penetrate through the two first through holes and then are connected with one ends of the two pressure springs; the other ends of the two pressure springs penetrate through the two second through holes in a one-to-one correspondence mode.

Optionally, the method further includes: the connecting assembly comprises a bottom plate, and one end of the bottom plate is rotatably arranged on the rotating shaft; two sides of the bottom plate are respectively provided with a limiting groove, two sides of the spring bolt are respectively clamped in the two limiting grooves, and the spring bolt can also slide along the limiting grooves; the bottom plate is also rotatably provided with a control mechanism, and a driving end of the control mechanism is in transmission connection with the lock tongue.

Optionally, the control mechanism includes: a rotating body and an eccentric shaft; the rotating body is rotationally arranged on the bottom plate, and one end of the eccentric shaft is fixedly arranged on the rotating body; the lock tongue is provided with a third through hole which is waist-shaped; the other end of the eccentric shaft penetrates through the third through hole; and a nail cap is fixedly arranged at the other end of the eccentric shaft.

Optionally, the control mechanism further includes: the butterfly wrench is rotatably arranged on the rotating body.

Optionally, one end of the bottom plate is provided with a rotating cylinder, and the rotating cylinder is sleeved on the rotating shaft.

Optionally, the rotating cylinder and the two limiting grooves are integrally bent and formed with the bottom plate.

Optionally, the method further includes: the hook is fixed on the box cover, and two first screw holes are formed in the hook; two second screw holes are formed in the base; one end of the lock tongue is provided with a bending part which can be hooked with the hook.

Optionally, a plurality of reinforcing ribs are arranged on the bending part.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a non-deformable's butterfly lock, include: the base is fixedly connected with the box body, the rotating shaft and the two pressure springs are arranged on the rotating shaft; two side edges of the base are respectively provided with a side guard plate; a first through hole and a second through hole are formed in each of the two side guard plates; the first through hole is waist-shaped; two ends of the rotating shaft respectively penetrate through the two first through holes and then are connected with one ends of the two pressure springs; the other ends of the two pressure springs penetrate through the two second through holes in a one-to-one correspondence mode. This patent provides the displacement space of vibration for the rotation axis through set up the first through-hole of waist shape on the base of butterfly lock, then sets up a pressure spring respectively with the both ends of rotation axis, guarantees that the rotation axis is receiving the vibrations in-process, can not lead to deformation because of rigid connection, adopts the pressure spring to absorb the impact force that the rotation axis received, has improved the life of rotation axis. And the bending part of the lock tongue is stamped to form the reinforcing rib, so that the strength of the lock tongue can be improved, the lock tongue is prevented from being easily deformed, and the service life of equipment is prolonged.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive effort.

Fig. 1 is a schematic perspective view of a butterfly lock not easy to deform according to the present invention;

FIG. 2 is a schematic view of the open state of FIG. 1;

in the figure, 1, a base; 11. a side guard plate; 12. a first through hole; 13. a second through hole; 14. a second screw hole; 2. a rotating shaft; 3. a pressure spring; 4. a connecting assembly; 41. a base plate; 42. a limiting groove; 43. a rotary drum; 5. a latch bolt; 51. a third through hole; 52. a nail cap; 53. a bending section; 54. reinforcing ribs; 6. a control mechanism; 61. a rotating body; 62. an eccentric shaft; 63. a butterfly wrench; 7. hooking; 71. a first screw hole.

Detailed Description

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art. The terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. "beneath," "under" and "beneath" a first feature includes the first feature being directly beneath and obliquely beneath the second feature, or simply indicating that the first feature is at a lesser elevation than the second feature. The terms "vertical," "horizontal," "left," "right," "up," "down," and similar expressions are used for illustrative purposes only and do not indicate or imply that the device or element so referred to must be oriented, constructed and operated in a specific orientation and therefore should not be construed as limiting the invention.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Example one

As shown in fig. 1 and 2, the butterfly lock not easy to deform comprises: the device comprises a base 1, a rotating shaft 2 and two pressure springs 3, wherein the base 1 is fixedly connected with a box body; two side edges of the base 1 are respectively provided with a side guard plate 11; a first through hole 12 and a second through hole 13 are formed in each of the two side guard plates 11; the first through hole 12 is waist-shaped; two ends of the rotating shaft 2 are respectively connected with one end of the two compression springs 3 after penetrating through the two first through holes 12; the other ends of the two pressure springs 3 correspondingly penetrate through the two second through holes 13. Specifically, in order to avoid the deformation of the rotating shaft 2 caused by vibration in the carrying process, the two ends of the rotating shaft 2 are respectively provided with the pressure spring 3, the rotating shaft 2 is fixed on the base 1 through the tension of the pressure springs 3, and under the condition that the butterfly lock is locked, the pressure springs 3 are tensioned by the connecting component 4 of the butterfly lock, so that when the vibration occurs, the impact force generated by the vibration is absorbed through the deformation of the pressure springs 3, and the rotating shaft 2 is prevented from deforming due to simple rigid connection between the rotating shaft 2 and the base 1. The first through hole 12 is kidney-shaped and can provide a certain displacement space for the vibration of the rotating shaft 2.

Further, the utility model discloses still include: the connecting assembly 4 comprises a bottom plate 41, and one end of the bottom plate 41 is rotatably arranged on the rotating shaft 2; two sides of the bottom plate 41 are respectively provided with a limiting groove 42, two sides of the lock tongue 5 are respectively clamped in the two limiting grooves 42, and the lock tongue 5 can slide along the limiting grooves 42; the bottom plate 41 is further rotatably provided with a control mechanism 6, and a driving end of the control mechanism 6 is in transmission connection with the lock tongue 5. Particularly, the limiting grooves 42 on both sides provide limiting effects for the lock tongue 5, so that the lock tongue 5 can slide along the direction of the limiting grooves 42, and in order to avoid the lock tongue 5 falling off from the limiting grooves 42, the control mechanism 6 on the bottom plate 41 can limit the extending distance of the lock tongue 5, and avoid the lock tongue 5 falling off from the limiting grooves 42.

Further, the control mechanism 6 includes: a rotating body 61 and an eccentric shaft 62; the rotating body 61 is rotatably arranged on the bottom plate 41, and one end of the eccentric shaft 62 is fixedly arranged on the rotating body 61; a third through hole 51 is formed in the bolt 5, and the third through hole 51 is waist-shaped; the other end of the eccentric shaft 62 passes through the third through hole 51; the other end of the eccentric shaft 62 is also fixedly provided with a nail cap 52. Through the rotation of the eccentric shaft 62 and the mutual matching between the eccentric shaft 62 and the third through hole 51, the bolt 5 can perform reciprocating linear motion along with the rotation of the rotating body 61, thereby realizing locking and releasing.

Further, in order to facilitate control of the rotating body 61 by a person, the control mechanism 6 further includes: butterfly wrench 63, butterfly wrench 63 rotates and sets up on rotator 61, and butterfly wrench 63's rotation indicates butterfly wrench 63 can rotate for with bottom plate 41 is parallel to each other, reduces the space that the butterfly lock occupy, also can rotate when the rotator 61 is rotated to needs, and rotatory to the state with bottom plate 41 mutually perpendicular makes things convenient for people to snatch.

Further, one end of the bottom plate 41 is provided with a rotating cylinder 43, and the rotating cylinder 43 is sleeved on the rotating shaft 2.

Further, in order to improve the service life and the overall strength of the connecting assembly 4, the rotating cylinder 43 and the two limiting grooves 42 are integrally bent and formed with the bottom plate 41.

Further, the utility model discloses still include: the hook 7 is fixed on the box cover, and two first screw holes 71 are formed in the hook 7; two second screw holes 14 are formed in the base 1; one end of the lock tongue 5 is provided with a bending part 53 which can be hooked with the hook 7.

Furthermore, in order to prevent the bending portion 53 of the butterfly lock from deforming under the action of strong vibration, a plurality of reinforcing ribs 54 are disposed on the bending portion 53. Specifically, the bolt 5 is formed by bending a whole iron sheet, and in order to improve the strength of the iron sheet, after the bending portion 53 of the bolt 5 is formed by bending, two reinforcing ribs 54 are formed on the bending portion 53 by punching, so that the strength of the bending portion 53 can be improved, and the deformation can be avoided.

To sum up, this patent provides the displacement space of vibration for rotation axis 2 through set up the first through-hole 12 of waist shape on the base 1 of butterfly lock, then sets up a pressure spring 3 respectively with the both ends of rotation axis 2, guarantees that rotation axis 2 is receiving vibrations in-process, can not lead to deformation because of rigid connection, adopts pressure spring 3 to absorb the impact force that rotation axis 2 received, has improved rotation axis 2's life. And stamping a reinforcing rib 54 on the bending part 53 of the bolt 5, the strength of the bolt 5 can be improved, the bolt 5 is prevented from being easily deformed, and the service life of the equipment is prolonged.

The present invention is not limited to the above embodiment, and various modifications and variations of the present invention are also intended to be included within the scope of the claims and the equivalent technology of the present invention if they do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a butterfly lock that non-deformable, its characterized in that includes: the base is fixedly connected with the box body, the rotating shaft and the two pressure springs are arranged on the rotating shaft; two side edges of the base are respectively provided with a side guard plate; a first through hole and a second through hole are formed in the two side guard plates; the first through hole is waist-shaped; two ends of the rotating shaft respectively penetrate through the two first through holes and then are connected with one ends of the two pressure springs; the other ends of the two pressure springs penetrate through the two second through holes in a one-to-one correspondence mode.

2. The butterfly lock not prone to deformation of claim 1, further comprising: the connecting assembly comprises a bottom plate, and one end of the bottom plate is rotatably arranged on the rotating shaft; two sides of the bottom plate are respectively provided with a limiting groove, two sides of the spring bolt are respectively clamped in the two limiting grooves, and the spring bolt can also slide along the limiting grooves; the bottom plate is also rotatably provided with a control mechanism, and a driving end of the control mechanism is in transmission connection with the lock tongue.

3. The butterfly lock not prone to deformation of claim 2, wherein the control mechanism comprises: a rotating body and an eccentric shaft; the rotating body is rotationally arranged on the bottom plate, and one end of the eccentric shaft is fixedly arranged on the rotating body; the lock tongue is provided with a third through hole which is waist-shaped; the other end of the eccentric shaft penetrates through the third through hole; and a nail cap is fixedly arranged at the other end of the eccentric shaft.

4. The non-deformable butterfly lock of claim 3, wherein said control mechanism further comprises: the butterfly wrench is rotatably arranged on the rotating body.

5. The butterfly lock not easy to deform according to claim 2, wherein a rotating cylinder is arranged at one end of the bottom plate, and the rotating cylinder is sleeved on the rotating shaft.

6. The butterfly lock not prone to deformation according to claim 5, wherein the rotary cylinder and the two limiting grooves are integrally formed by bending and forming with the bottom plate.

7. The butterfly lock not prone to deformation of claim 2, further comprising: the hook is fixed on the box cover, and two first screw holes are formed in the hook; two second screw holes are formed in the base; one end of the lock tongue is provided with a bending part which can be hooked with the hook.

8. The butterfly lock with low probability of deformation according to claim 7, wherein the bending portion is provided with a plurality of reinforcing ribs.