CN220640938U

CN220640938U - Flip lock catch assembly

Info

Publication number: CN220640938U
Application number: CN202322377835.6U
Authority: CN
Inventors: 陶晓东
Original assignee: ZHEJIANG TAOSHI GROUP HUANGYAN MOLD SECOND FACTORY CO LTD
Current assignee: ZHEJIANG TAOSHI GROUP HUANGYAN MOLD SECOND FACTORY CO LTD
Priority date: 2023-09-02
Filing date: 2023-09-02
Publication date: 2024-03-22
Anticipated expiration: 2033-09-02

Abstract

The utility model belongs to the technical field of locking structures, in particular to a flip lock catch assembly, which comprises a frame and a flip with one side hinged on the frame, wherein a lock catch assembly is arranged between the other side of the flip and the frame and comprises a switch rotating shaft rotating on the flip and a fixing protrusion arranged on the back of the frame, a lock tongue is sleeved on the switch rotating shaft, the outer end of the lock tongue is a free end, the free end is provided with a locking protrusion, a limiting structure used for limiting the rotating angle of the lock tongue is arranged on the flip, and when the switch rotating shaft drives the free end of the lock tongue to rotate to one limit position of the limiting structure, the locking protrusion abuts against and elastically deforms to cross the fixing protrusion. The utility model has simple integral structure, convenient operation and lower cost, adopts the nonmetal elastic deformation characteristic of the lock tongue, and can drive the lock tongue to lean against and cross the fixing protrusion only by rotating the switch rotating shaft forward or backward so as to realize locking and separation between the flip cover and the frame.

Description

Flip lock catch assembly

Technical field:

the utility model belongs to the technical field of locking structures, and particularly relates to a flip lock catch assembly.

The background technology is as follows:

at present, in order to fix the hinged cover plate with the box body relatively and achieve the purpose of locking the box body, a plurality of buckles are often arranged between the cover plate and the box body, most of traditional buckles comprise a lock seat made of metal materials, a lock tongue seat, a lock tongue and a locking piece, the locking piece is hinged on the lock tongue seat, the lock tongue in a hook shape is hinged on the locking piece, a lock tongue groove corresponding to the lock tongue is arranged on the lock seat, when the lock is locked, the lock tongue is positioned above the lock tongue groove by turning the locking piece, and then the lock tongue can be driven to be buckled in the lock tongue groove by turning the locking piece, so that the connection between the lock seat and the lock tongue seat is realized, and the locking of the buckle is realized; however, the above structure has the disadvantages of troublesome locking operation, complex structure and high cost due to the adoption of metal materials.

The utility model comprises the following steps:

the utility model aims to provide a flip lock catch component which is simple in structure and convenient to operate, and the elastic deformation of a lock tongue can enable the lock tongue to abut against and pass over a fixing protrusion, so that locking and separation between a flip and a frame are realized.

The utility model is realized in the following way:

the utility model provides a flip latch assembly, includes the frame and a side articulates flip on the frame, is equipped with latch assembly between flip's another lateral part and the frame, latch assembly is including rotating the switch pivot on the flip and setting up the fixed arch at the frame back, the cover is equipped with circumference synchronous pivoted spring bolt in the switch pivot, the outer end of spring bolt is for carrying out elastic deformation's free end, and be equipped with the locking arch that circumferential rotation can lean on with fixed arch on this free end, be equipped with the limit structure who is used for restricting spring bolt turned angle on the flip, when the free end of switch pivot drive spring bolt rotates to one of them extreme position of limit structure, locking arch is leaned on and elastic deformation passes fixed arch.

In the above-mentioned flip latch assembly, the limit structure includes a limit groove provided on the flip and having a notch facing the fixing protrusion, the switch rotating shaft and the latch rotate on the limit groove, the free end of the latch rotating forward can extend out of the notch of the limit groove and lean against one side wall of the limit groove, and the free end of the latch rotating backward can retract into the notch of the limit groove and lean against the other side wall of the limit groove.

In the flip latch assembly, the front surface of the flip is provided with the assembly through hole communicated with the limit groove, the back surface of the flip is provided with the limit through hole communicated with the limit groove, the assembly through hole and the limit through hole are coaxially arranged, the switch rotating shaft comprises a plurality of arc rotating plates which are circumferentially uniformly distributed and penetrate through the limit through hole, and a switch knob which is positioned in the assembly through hole or/and the limit groove, one end of the arc rotating plate is fixed on the switch knob, the other end of the arc rotating plate is positioned outside the limit through hole and is provided with a limit bulge which can prop against the back surface of the flip, and the lock tongue is positioned between the switch knob and the corresponding side wall of the limit groove.

In the flip lock catch assembly, the inner end of the lock tongue is provided with the linkage hole or/and the linkage arc groove, and the outer wall surface of the switch knob is provided with the linkage convex column inserted in the linkage hole and the linkage convex column inserted in the linkage arc groove.

In the flip lock catch assembly, a positioning boss is arranged on the side wall of the limiting groove, an annular groove is formed in the positioning boss, the inner end of the lock tongue is located between the positioning boss and the switch knob, and an annular protrusion which rotates and is inserted into the annular groove is arranged at the inner end of the lock tongue.

In the above-mentioned flip latch assembly, be equipped with on the frame and supply flip articulated rotation and lid to close the window of placing, the window is kept away from the inside extension in border department that flip was formed with and can restrict flip articulated pivoted spacing extension, with offer the locking cooperation mouth that supplies the spring bolt to rotate and run through on the lateral wall of window relative with spacing groove notch position, fixed protruding is located one side that the locking cooperation mouth kept away from flip.

Compared with the prior art, the utility model has the outstanding advantages that:

the utility model has simple integral structure, convenient operation and lower cost, adopts the nonmetal elastic deformation characteristic of the lock tongue, and can drive the lock tongue to lean against and cross the fixing protrusion only by rotating the switch rotating shaft forward or backward so as to realize locking and separation between the flip cover and the frame.

Description of the drawings:

FIG. 1 is an overall perspective view of the present utility model;

FIG. 2 is a second perspective view of the whole of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a partial cross-sectional view of the present utility model;

fig. 5 is an exploded view of the utility model's tongue in cooperation with the switch spindle.

In the figure: 1. a frame; 2. a flip cover; 3. a fixing protrusion; 4. a bolt; 5. a locking protrusion; 6. a limit groove; 7. an arc rotating plate; 8. a switch knob; 9. a limit protrusion; 10. a linkage hole; 11. linkage arc grooves; 12. a linkage convex column; 13. a linkage protrusion; 14. positioning the boss; 15. an annular protrusion; 16. a limit extension; 17. locking the mating opening.

The specific embodiment is as follows:

the utility model is further described below with reference to the specific examples, see fig. 1-5:

the utility model provides a flip latch assembly, includes frame 1 and a side articulates flip 2 on frame 1, is equipped with latch assembly between another lateral part of flip 2 and the frame 1, latch assembly is including rotating the switch pivot on flip 2 and setting up at the fixed protruding 3 at frame 1 back, the cover is equipped with circumference synchronous pivoted spring bolt 4 in the switch pivot, the outer end of spring bolt 4 is the free end that can carry out elastic deformation, and be equipped with the locking arch 5 that circumferential rotation can offset with fixed protruding 3 on this free end, be equipped with the limit structure who is used for restricting spring bolt 4 turned angle on the flip 2, when the free end that the switch pivot drove spring bolt 4 rotated to limit structure's one of them extreme position, locking arch 5 was supported and is passed fixed protruding 3 with elastic deformation. In the locking operation, the switch rotating shaft drives the lock tongue 4 to rotate forward, so that the free end of the lock tongue 4 can extend out of the flip 2 and abut against the fixing protrusion 3, and meanwhile, the lock tongue 4 is continuously driven to rotate, so that the free end of the lock tongue 4 can elastically deform to cross the fixing protrusion 3 until the free end of the lock tongue 4 is located between the limiting position of the limiting structure and the fixing protrusion 3, and then the locking function is realized. Correspondingly, in the unlocking and separating operation, the switch rotating shaft drives the lock tongue 4 to reversely rotate, so that the free end of the lock tongue 4 can lean against the fixing protrusion 3 and elastically deform to cross the fixing protrusion 3, and the lock tongue 4 and the fixing protrusion 3 are rotationally separated, so that the unlocking and separating function is realized.

The utility model has simple integral structure, convenient operation and lower cost, and the adopted nonmetal elastic deformation characteristic of the lock tongue 4 can drive the lock tongue 4 to lean against and cross the fixing protrusion 3 only by rotating the switch rotating shaft forward or backward so as to realize locking and separation between the flip cover 2 and the frame 1.

Still further, the limit structure may simply be a limit baffle disposed on the flip 2, and in this embodiment, in order to ensure that the lock tongue 4 is stable in cooperation in the limit structure, the limit structure includes a limit groove 6 disposed on the flip 2 and having a notch facing the fixing protrusion 3, the switch rotating shaft and the lock tongue 4 rotate on the limit groove 6, the free end of the lock tongue 4 that rotates forward can extend out of the notch of the limit groove 6 and lean against a side wall of the limit groove 6, and the free end of the lock tongue 4 that rotates backward can retract into the notch of the limit groove 6 and lean against another side wall of the limit groove 6.

Correspondingly, in order to be matched with the positions of the limit groove 6 and the lock tongue 4, so as to ensure that the lock tongue 4 can be effectively matched with the fixing protrusion 3, a window for hinging and rotating the flip cover 2 and placing the cover is arranged on the frame 1, a limit extension part 16 capable of limiting hinging and rotating the flip cover 2 is inwards extended from the edge of the window away from the flip cover 2, a locking matching opening 17 for allowing the lock tongue 4 to rotate and penetrate is formed in the side wall of the window opposite to the notch position of the limit groove 6, and the fixing protrusion 3 is positioned on one side of the locking matching opening 17 away from the flip cover 2.

In order to facilitate the operation of the user to rotate the switch shaft and to facilitate the assembly of the switch shaft on the flip cover 2, in this embodiment, the specific structure adopted by the switch shaft is as follows: the front of flip 2 has offered the assembly through-hole with spacing groove 6 intercommunication, the spacing through-hole with spacing groove 6 intercommunication has been seted up to the back, and the coaxial setting of assembly through-hole and spacing through-hole, the switch pivot is including a plurality of circumference equipartition and run through arc revolving plate 7 on spacing through-hole and be located assembly through-hole or/and spacing inslot 6 switch knob 8, and the one end of arc revolving plate 7 is fixed on switch knob 8, and the other end is located outside spacing through-hole and is equipped with the spacing protruding 9 that can support with flip 2's back and lean on, spring bolt 4 is located between switch knob 8 and the corresponding lateral wall of spacing groove 6.

Meanwhile, in order to enable the lock tongue 4 to rotate circumferentially in synchronization with the arc-shaped rotating plate 7, a linkage hole 10 and a linkage arc groove 11 are formed in the inner end of the lock tongue 4, and a linkage convex column 12 inserted in the linkage hole 10 and a linkage convex 13 inserted in the linkage arc groove 11 are formed in the outer wall surface of the switch knob 8.

In addition, in order to improve the rotation stability of the lock tongue 4 in the limit groove 6, a positioning boss 14 is arranged on the side wall of the limit groove 6, an annular groove is formed in the positioning boss 14, the inner end of the lock tongue 4 is positioned between the positioning boss 14 and the switch knob 8, and an annular protrusion 15 which rotates and is inserted in the annular groove is arranged at the inner end of the lock tongue 4.

The above embodiment is only one of the preferred embodiments of the present utility model, and is not intended to limit the scope of the present utility model, therefore: all equivalent changes in shape, structure and principle of the utility model should be covered in the scope of protection of the utility model.

Claims

1. The utility model provides a flip latch assembly, includes frame (1) and flip (2) that one side articulates on frame (1), is equipped with latch assembly, its characterized in that between the other side of flip (2) and frame (1): the lock catch assembly comprises a switch rotating shaft rotating on the flip (2) and a fixing protrusion (3) arranged on the back of the frame (1), a circumferentially synchronous rotating lock catch (4) is sleeved on the switch rotating shaft, the outer end of the lock catch (4) is a free end capable of being elastically deformed, a locking protrusion (5) capable of being abutted against the fixing protrusion (3) in a circumferential rotating manner is arranged on the free end, a limiting structure used for limiting the rotating angle of the lock catch (4) is arranged on the flip (2), and the switch rotating shaft drives the free end of the lock catch (4) to rotate to one limit position of the limiting structure, and the locking protrusion (5) abuts against and elastically deforms to cross the fixing protrusion (3).

2. A flip cover latch assembly according to claim 1, wherein: the limiting structure comprises a limiting groove (6) which is formed in the flip (2) and is provided with a notch facing the fixing protrusion (3), the switch rotating shaft and the lock tongue (4) rotate on the limiting groove (6), the free end of the lock tongue (4) which rotates positively can extend out of the notch of the limiting groove (6) and abut against one side wall of the limiting groove (6), and the free end of the lock tongue (4) which rotates reversely can retract into the notch of the limiting groove (6) and abut against the other side wall of the limiting groove (6).

3. A flip cover latch assembly according to claim 2, wherein: the front of flip (2) has offered the assembly through-hole with spacing groove (6) intercommunication, the spacing through-hole with spacing groove (6) intercommunication has been seted up to the back, and the coaxial setting of assembly through-hole and spacing through-hole, the switch pivot is including a plurality of circumference equipartition and run through arc revolving plate (7) on spacing through-hole to and be located assembly through-hole or/and spacing inslot (6) switch knob (8), and the one end of arc revolving plate (7) is fixed on switch knob (8), and the other end is located outside spacing through-hole and is equipped with spacing arch (9) that can lean on with flip (2) back looks, spring bolt (4) are located between the corresponding lateral wall of switch knob (8) and spacing groove (6).

4. A flip cover latch assembly according to claim 3, wherein: the inner end of the lock tongue (4) is provided with a linkage hole (10) or/and a linkage arc groove (11), and the outer wall surface of the switch knob (8) is provided with a linkage convex column (12) inserted in the linkage hole (10) and a linkage convex (13) inserted in the linkage arc groove (11).

5. A flip cover latch assembly according to claim 3, wherein: the side wall of the limit groove (6) is provided with a positioning boss (14), the positioning boss (14) is provided with an annular groove, the inner end of the lock tongue (4) is positioned between the positioning boss (14) and the switch knob (8), and the inner end of the lock tongue (4) is provided with an annular protrusion (15) which rotates and is inserted in the annular groove.

6. A flip cover latch assembly according to claim 2, wherein: the frame (1) is provided with a window for hinged rotation of the flip (2) and closed placement, a limit extension part (16) capable of limiting the hinged rotation of the flip (2) is formed at the edge of the window away from the flip (2) in an inward extending way, the side wall of the window opposite to the notch of the limiting groove (6) is provided with a locking matching opening (17) for the bolt (4) to rotate and penetrate, and the fixing protrusion (3) is positioned on one side of the locking matching opening (17) away from the flip (2).