CN216641757U

CN216641757U - Telescopic pressing type locking mechanism

Info

Publication number: CN216641757U
Application number: CN202122689952.7U
Authority: CN
Inventors: 林柏玮; 陈柏翰; 吴继兵; 王聪
Original assignee: Jin Shangjin Science And Technology Shenzhen Co ltd
Current assignee: Jin Shangjin Science And Technology Shenzhen Co ltd
Priority date: 2021-11-04
Filing date: 2021-11-04
Publication date: 2022-05-31
Anticipated expiration: 2031-11-04

Abstract

The utility model relates to the technical field of lock catches, in particular to a telescopic pressing type lock catch mechanism which comprises a lock body, a pressing piece, an annular lock catch and a buckle piece, wherein a first through hole is formed in one end of the lock body; a plurality of buckling pieces are arranged at intervals along the circumferential direction of the reducing section, one end of each buckling piece extends out of the second through hole in the lock body and is inserted into the clamping groove, a pressure spring is arranged between each buckling piece and the lock body, and the elastic force of the pressure spring is used for driving the inner end of each buckling piece to abut against the reducing section of the pressing piece; according to the utility model, the annular lock catch is locked on the lock body in multiple directions by arranging the plurality of buckling pieces, so that the annular lock catch is effectively prevented from loosening, and the lock catch strength is greatly increased.

Description

Telescopic pressing type locking mechanism

Technical Field

The utility model relates to the technical field of lock catches, in particular to a telescopic pressing type lock catch mechanism.

Background

The lock catch is one of the common accessories on the case, and various lock catches used for the case are available on the market at present. Hasp structure among the prior art, its structure that adopts elastic buckle mostly for press elastic buckle and can realize the unblock, nevertheless, current hasp structure still has hasp intensity difference, and the problem of easy dropout leads to the reliability that case and bag locked not good enough.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic pressing type locking mechanism which has the advantages of high locking strength and difficulty in loosening.

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

a retractable push-type latch mechanism, comprising:

the lock body is provided with an accommodating cavity, and one end of the lock body is provided with a first through hole for communicating the accommodating cavity with an external space;

the pressing piece comprises a pressing section and a reducing section from top to bottom, the reducing section is arranged in the accommodating cavity, a spring is arranged between the reducing section and the bottom of the accommodating cavity, and the elastic force of the spring is used for driving the pressing section to protrude out of the accommodating cavity through the first through hole;

the annular lock catch is sleeved on the lock body, and a clamping groove is formed in one side, close to the lock body, of the annular lock catch; and the number of the first and second groups,

a plurality of buckling pieces are arranged at intervals along the circumferential direction of the reducing section, one end of each buckling piece extends out of a second through hole in the lock body and is inserted into the clamping groove, a pressure spring is arranged between each buckling piece and the lock body, and the elastic force of the pressure spring is used for driving the inner end of each buckling piece to abut against the reducing section of the pressing piece;

when the pressing piece is pressed downwards to enable the diameter-changing section to move downwards, the outer end of the buckling piece can move inwards and is located at an avoiding position with the clamping groove in the annular lock catch.

In a further technical scheme, a pressure spring placing groove is formed in the lock body located beside the second through hole, one end of the pressure spring abuts against the bottom of the pressure spring placing groove, and the other end of the pressure spring is fixed to the buckling piece.

In a further technical scheme, the clamping groove is arranged in an annular shape along the inner circumferential direction of the annular lock catch.

In a further technical scheme, one end, far away from the pressing section, of the variable-diameter section is further provided with a supporting section extending outwards along the axial direction of the variable-diameter section, and the spring is sleeved on the supporting section.

In a further technical scheme, one end of the reducing section, which is far away from the pressing section, is further provided with a spring placing groove which is inwards recessed along the axial direction of the reducing section, one end of the spring is inserted into the spring placing groove, and the other end of the spring abuts against the bottom of the accommodating cavity.

In a further technical scheme, four buckling pieces are evenly arranged along the circumferential direction of the variable diameter section at intervals.

In a further technical scheme, the lock body comprises a hollow tubular shell, a first end cover and a second end cover, the first end cover and the second end cover are fixed at two ends of the shell, and the first through hole is formed in the first end cover.

In a further technical scheme, the first through hole is a circular hole or any other special-shaped hole, and the outer profile of the pressing section is matched with the profile of the first through hole.

Compared with the prior art, the utility model has the following technical effects:

according to the telescopic pressing type lock catch mechanism provided by the utility model, the annular lock catch is locked on the lock body in multiple directions by arranging the plurality of buckling pieces, so that the annular lock catch is effectively prevented from loosening, and the lock catch strength is greatly increased.

Additional features and advantages of the utility model will be set forth in the detailed description which follows.

Drawings

FIG. 1 is a schematic diagram illustrating a retractable push-type latch mechanism according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of the retractable push latch mechanism of FIG. 1;

FIG. 3 is an exploded view of the retractable push-to-latch mechanism of FIG. 1;

FIG. 4 illustrates a cross-sectional view of another retractable push latch mechanism provided in accordance with an embodiment of the present invention;

the reference numbers in the figures illustrate: 10. a lock body; 101. a housing; 102. a first end cap; 103. a second end cap; 11. an accommodating cavity; 12. a first through hole; 13. a second through hole; 20. a pressing member; 21. a pressing section; 22. a diameter-changing section; 221. a support section; 222. a spring placing groove; 30. a spring; 40. an annular lock catch; 41. a card slot; 50. a fastener; 60. and (5) pressing a spring.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further clarified by combining the specific drawings.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As described above, referring to fig. 1, 2 and 3, the present invention provides a retractable push-type latch mechanism, which includes a lock body 10, a pressing member 20, an annular latch 40 and a fastener 50; the lock body 10 is provided with an accommodating cavity 11, and one end of the lock body 10 is provided with a first through hole 12 for communicating the accommodating cavity 11 with an external space; the pressing piece 20 comprises a pressing section 21 and a reducing section 22 from top to bottom, the reducing section 22 is arranged in the accommodating cavity 11, a spring 30 is arranged between the reducing section 22 and the bottom of the accommodating cavity 11, and the elastic force of the spring 30 is used for driving the pressing section 21 to protrude out of the accommodating cavity 11 through the first through hole 12.

The diameter of the reducing section 22 is larger than the diameter of the first through hole 12, so as to ensure that the reducing section can be still retained in the accommodating cavity 11 under the elastic force of the spring 30.

The annular lock catch 40 is sleeved on the lock body 10, and a clamping groove 41 is formed in one side, close to the lock body 10, of the annular lock catch 40; a plurality of buckling pieces 50 are arranged at intervals along the circumferential direction of the reducing section 22, one end of each buckling piece 50 extends out of the second through hole 13 in the lock body 10 and is inserted into the clamping groove 41, a compression spring 60 is arranged between each buckling piece 50 and the lock body 10, and the elastic force of each compression spring 60 is used for driving the inner end of each buckling piece 50 to abut against the reducing section 22 of the pressing piece 20; when the pressing member 20 is pressed down to move the reducing section 22 downward, the outer end of the locking member 50 can move inward and is in a clearance position with the locking groove 41 on the annular lock catch 40.

When the telescopic press type lock catch mechanism is used specifically, the press piece 20 is pressed downwards to enable the reducing section 22 to move downwards, the inclined surface of the reducing section 22 can vacate the space for the buckle piece 50 to move inwards, the buckle piece 50 moves towards the accommodating cavity 11 of the lock body 10 under the action of the elastic force of the pressure spring 60 and is further located at the avoiding position with the clamping groove 41 on the annular lock catch 40, and the annular lock catch 40 can be removed from the lock body 10.

When the annular lock catch 40 needs to be locked and attached on the lock body 10, the pressing piece 20 is pressed downwards similarly, the reducing section 22 moves downwards to make a space for inward movement of the fastener 50, the fastener 50 moves towards the accommodating cavity 11 of the lock body 10 under the action of the elastic force of the compression spring 60, the annular lock catch 40 is sleeved on the lock body 10, then the pressing piece 20 is released, the pressing piece 20 moves upwards under the action of the spring 30, the reducing section 22 moves upwards and pushes the fastener 50 to protrude outwards and insert the fastener 50 into the clamping groove 41 of the annular lock catch 40, and the locking and attaching are completed.

According to the telescopic press type lock catch mechanism provided by the utility model, the annular lock catch 40 is locked on the lock body 10 in multiple directions by arranging the plurality of buckling pieces 50, so that the annular lock catch 40 is effectively prevented from loosening, and the lock catch strength is greatly increased.

Further, according to the present invention, in order to ensure the stability of the compression spring 60 during the expansion and contraction process, a compression spring placement groove (not shown in the figure) is disposed on the lock body 10 beside the second through hole 13, one end of the compression spring 60 abuts against the bottom of the compression spring placement groove, and the other end of the compression spring is fixed on the fastener 50.

Further, according to the present invention, for convenience of use, the locking groove 41 is disposed in a ring shape along the inner circumference of the circular lock 40, so that the locking element 50 can be inserted into the locking groove 41 of the circular lock 40 to complete locking without intentionally adjusting the angle at which the circular lock 40 is sleeved to the lock body 10.

According to the present invention, the spring 30 can provide a power for returning the pressing member 20, and in order to ensure the stability of the returning action, in a specific embodiment of the present invention, as shown in fig. 2, one end of the reducing section 22 away from the pressing section 21 is further provided with a supporting section 221 extending outward along the axial direction thereof, and the spring 30 is sleeved on the supporting section 221.

In another specific embodiment of the present invention, as shown in fig. 4, one end of the reducing section 22 away from the pressing section 21 is further provided with a spring placing groove 222 recessed inwards along the axial direction thereof, one end of the spring 30 is inserted into the spring placing groove 222, and the other end abuts against the bottom of the accommodating cavity 11.

In a specific embodiment of the present invention, four of the clasps 50 are uniformly arranged along the circumference of the reducer section 22 at intervals, that is, the angle between adjacent clasps 50 is 90 °.

In a specific embodiment of the present invention, the lock body 10 includes a hollow tubular housing 101, and a first end cap 102 and a second end cap 103 fixed to both ends of the housing 101, and the first through hole 12 is opened in the first end cap 102.

In the present invention, it should be noted that the first through hole 12 is used for the protrusion of the pressing section 21 of the pressing member 20, and the tapered section 22 of the pressing member 20 is ensured to be retained in the accommodating cavity 11, the size of the first through hole 12 is enough to ensure that the pressing section 21 can freely pass through under the action of the downward pressure, the first through hole 12 is a circular hole or any other special-shaped hole, specifically, the other any special-shaped hole can be, for example, a triangular hole, a square hole, or even a hole with a complex animal pattern, and the outer contour of the pressing section 21 is matched with the contour of the first through hole 12 to ensure that the pressing section 21 can pass through the first through hole 12 when the pressing member 20 is pressed downward. Thus, the structure of the pressing section 21 of the pressing member 20 can be enriched, and the requirement of diversity can be satisfied.

The foregoing shows and describes the general principles, essential features, and inventive features of this invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a flexible push type latch mechanism which characterized in that includes:

the lock body (10) is provided with an accommodating cavity (11), and one end of the lock body (10) is provided with a first through hole (12) for communicating the accommodating cavity (11) with the external space;

the pressing piece (20) comprises a pressing section (21) and a reducing section (22) from top to bottom, the reducing section (22) is arranged in the accommodating cavity (11), a spring (30) is arranged between the reducing section (22) and the bottom of the accommodating cavity (11), and the elastic force of the spring (30) is used for driving the pressing section (21) to protrude out of the accommodating cavity (11) through the first through hole (12);

the annular lock catch (40) is sleeved on the lock body (10), and a clamping groove (41) is formed in one side, close to the lock body (10), of the annular lock catch (40); and the number of the first and second groups,

a plurality of buckling pieces (50) are arranged at intervals along the circumferential direction of the reducing section (22), one end of each buckling piece (50) extends out of the second through hole (13) in the lock body (10) and is inserted into the clamping groove (41), a pressure spring (60) is arranged between each buckling piece (50) and the lock body (10), and the elastic force of each pressure spring (60) is used for driving the inner end of each buckling piece (50) to abut against the reducing section (22) of the pressing piece (20);

when the pressing piece (20) is pressed down to enable the diameter-changing section (22) to move downwards, the outer end of the buckling piece (50) can move inwards and is located at an avoiding position with the clamping groove (41) on the annular lock catch (40).

2. The retractable push type latch mechanism of claim 1, wherein a pressure spring slot is formed on the lock body (10) beside the second through hole (13), one end of the pressure spring (60) abuts against the bottom of the pressure spring slot, and the other end is fixed on the latch member (50).

3. The retractable push type lock mechanism of claim 1, wherein the locking groove (41) is disposed in a ring shape along an inner circumference of the ring-shaped lock (40).

4. The retractable push type locking mechanism of claim 1, wherein the end of the reducing section (22) away from the pressing section (21) is further provided with a supporting section (221) extending outward along the axial direction thereof, and the spring (30) is sleeved on the supporting section (221).

5. The retractable pressing type locking mechanism of claim 1, wherein the end of the reducing section (22) away from the pressing section (21) is further provided with a spring placing groove (222) recessed inwards along the axial direction thereof, one end of the spring (30) is inserted into the spring placing groove (222), and the other end abuts against the bottom of the accommodating cavity (11).

6. The retractable push latch of claim 1 wherein said snaps (50) are evenly spaced four in a circumferential direction of said tapered section (22).

7. The retractable push type latch mechanism of claim 1, wherein the lock body (10) comprises a hollow tubular housing (101) and a first end cap (102) and a second end cap (103) fixed to both ends of the housing (101), and the first through hole (12) is formed in the first end cap (102).

8. The retractable push type locking mechanism of claim 1 or 7, wherein the outer profile of the push section (21) matches the profile of the first through hole (12).