CN210105492U

CN210105492U - Lock body structure of split type lock tongue

Info

Publication number: CN210105492U
Application number: CN201920105252.9U
Authority: CN
Inventors: 徐志克
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-01-22
Filing date: 2019-01-22
Publication date: 2020-02-21
Anticipated expiration: 2029-01-22

Abstract

The utility model discloses a lock body structure of split type spring bolt, rotate piece, characterized by including spring bolt, lock box and the lock core of setting in the lock box, the spring bolt includes first spring bolt portion and second spring bolt portion, first spring bolt portion is provided with between first spring bolt portion and the second spring bolt portion and opens the elastic component in order can swing the mode setting on second spring bolt portion, open the elastic component both ends and offset with first spring bolt portion and second spring bolt portion respectively, make and have the opening clearance between first spring bolt portion and the second spring bolt portion. This kind of lock body structure of split type spring bolt through divide into two parts with the spring bolt, first spring bolt portion when colliding with the spring bolt box, because open the existence in clearance, first spring bolt portion directly rotates to second spring bolt portion, and first spring bolt portion and spring bolt box can not collide firmly promptly, and simultaneously, the elastic component is opened in first spring bolt portion compression, and first spring bolt portion also can not collide firmly with second spring bolt portion to reduce the noise that spring bolt and spring bolt box collision produced.

Description

Lock body structure of split type lock tongue

Technical Field

The utility model relates to a tool to lock technical field specifically is a lock body structure of split type spring bolt.

Background

The existing door lock bolt, after the bolt collides with the bolt box on the doorframe, a part of force can press the bolt back into the bolt box, so that the bolt can be inserted into the bolt box after resetting, wherein the bolt can generate larger noise when colliding with the bolt box, moreover, when the existing lock body is designed, the bolt can be inserted into the bolt box for avoiding breeze, the elastic preset value of the elastic piece connected with the bolt in the lock body is larger, and the elastic piece is needed to be overcome when the door is closed, therefore, the bolt and the bolt box can send out larger noise when colliding.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can reduce the lock body structure of split type spring bolt of the noise that spring bolt and spring bolt box collision produced.

The purpose of the utility model is realized like this:

the utility model provides a lock body structure of split type spring bolt, includes spring bolt, lock box and the lock core rotation piece of setting in the lock box, characterized by, the spring bolt includes first spring bolt portion and second spring bolt portion, first spring bolt portion sets up on second spring bolt portion in order to can swing the mode, is provided with between first spring bolt portion and the second spring bolt portion and opens the elastic component, it offsets with first spring bolt portion and second spring bolt portion respectively to open the elastic component both ends, makes to have between first spring bolt portion and the second spring bolt portion and opens the clearance. This kind of lock body structure of split type spring bolt, through dividing into two parts with the spring bolt, first spring bolt portion is when colliding with the spring bolt box, because open the existence in clearance, first spring bolt portion directly rotates to second spring bolt portion, first spring bolt portion and spring bolt box can not collide firmly promptly, with the noise that reduces both collisions and produce, simultaneously, the elastic component is opened in first spring bolt portion compression, first spring bolt portion also can not collide firmly with second spring bolt portion, open the power that the first spring bolt portion of elastic component buffering received, the noise has been reduced promptly, its elasticity can avoid the spring bolt very easily to be pressed back the lock box again, so that the lock is not locked easily.

The purpose of the utility model can also adopt the following technical measures to solve:

as a more specific scheme, the first tongue locking portion is arranged on the second tongue locking portion through a pivot, the first tongue locking portion rotates around the pivot, the opening elastic member is a torsion spring, the torsion spring is sleeved on the pivot in a penetrating manner, two ends of the torsion spring respectively abut against the first tongue locking portion and the second tongue locking portion, the first tongue locking portion is not easy to separate from the second tongue locking portion, and the torsion spring is sleeved on the pivot in a penetrating manner to serve as a buffering component.

As a more specific scheme, a left side plate and a right side plate are arranged on two sides of the second lock tongue portion, two ends of the pivot are rotatably arranged on the left side plate and the right side plate, the first lock tongue portion is provided with a left movable plate and a right movable plate, shaft holes are formed in the left movable plate and the right movable plate, and the pivot penetrates through the shaft holes. The left and right side plates and the left and right movable plates jointly shield an opening gap between the first bolt portion and the second bolt portion, the opening elastic piece and the pivot are not leaked, sundries are prevented from entering the opening gap to influence the use performance, and the use is safer.

As a more specific scheme, second lock tongue portion rear end is equipped with the baffle, and torsional spring one end offsets with the preceding terminal surface of baffle, lock box diapire corresponds the baffle and is equipped with fixing base and spring, and the spring setting is between fixing base and baffle, and the spring both ends offset with fixing base and baffle respectively. The torsional spring converts the collision force between the first bolt part and the bolt box into the force for pushing the bolt to retract into the lock box, so that the collision force between the bolt (after the first bolt part and the second bolt part are abutted) and the bolt box is further reduced, the bolt is opened and closed, and the noise is reduced.

As a more specific scheme, the fixing base includes left and right fixed block, the equal U type of left and right fixed block, and left and right fixed block opening sets up in opposite directions, the preceding terminal surface of baffle is equipped with the arch, the spring is the tower type, and tower type spring minor diameter tip cover is in protruding, offset with the baffle, and tower type spring major diameter tip card is put between left and right fixed block, and fixing base and protruding fixed tower type spring, tower type spring play the reset effect to realize the spring bolt switch function.

As a more specific scheme, the left side plate and the right side plate extend towards the inside of the lock box, a left movable groove and a right movable groove are hollowed at the positions, close to the tail ends, of the left side plate and the right side plate, the lock cylinder rotating piece is rotatably arranged in the lock box, a left protruding block and a right protruding block which are inverted splayed are arranged on the lock cylinder rotating piece, the left protruding block and the right protruding block are inserted into the corresponding left movable groove and the right movable groove, and in a static state, the left protruding block and the right protruding block abut against the rear ends of the left. The lock tongue retracts into the lock box, the left side plate and the right side plate cannot drive the lock cylinder rotating piece to rotate, and the lock cylinder rotating piece can drive the left side plate or the right side plate to move when rotating, namely, the lock tongue retracts into the lock box, so that the lock opening and closing function is realized.

As a more specific scheme, the rear ends of the left and right movable grooves are outwards extended with left and right baffle arms, under a static state, the left and right baffle arms are abutted against the rear ends of the left and right movable grooves, left and right guide grooves are arranged on the left and right side walls of the lock box, and the left and right baffle arms extend into the corresponding left and right guide grooves. The left and right guide grooves enable the left and right side plates and the lock cylinder rotating piece to move without being influenced by the lock box.

As a more specific scheme, the front side wall of the lock box extends towards two sides to form a lock tongue plate, the lock tongue enters and exits the lock tongue plate, a limit groove is formed in the top wall of the lock box, one end of the limit groove extends to the lock tongue plate, a limit block is arranged at one end, close to the lock box, of the first lock tongue, and the limit block is arranged in the limit groove. Spacing groove and stopper prevent that the spring bolt transition from stretching out the lock box, moreover, when first spring bolt and lock tongue box collide, first spring bolt is around pivot rotation, the part that exposes of first spring bolt promptly forms the lever that uses the pivot as the fulcrum with spacing block, the part that exposes of first spring bolt is extrudeed by the lock tongue box, the stopper extrudees to the lock tongue plate, the lock tongue plate is a part of lock box, the lock box is immobilized, therefore, the stopper can promote the stopper to remove in the lock box to the extruded reaction force of lock tongue plate, with this realization spring bolt and the collision of lock tongue box, the spring bolt can draw back voluntarily, spring bolt and lock tongue box can not the hard collision friction.

As a more specific scheme, the one end that the lock box was kept away from to second spring bolt portion is equipped with the fixture block, the one end that the lock box was kept away from to first spring bolt portion corresponds and is equipped with the breach of stepping down, first spring bolt portion and second spring bolt portion, in the fixture block inserted the breach of stepping down, first spring bolt portion was pressed and is closed with second spring bolt portion after, its shape was unanimous with traditional spring bolt shape.

As another scheme, protruding columns extend outwards from two sides of the first lock tongue portion, left and right side plates are arranged on two sides of the second lock tongue portion, through holes are formed in the left and right side plates, the protruding columns are inserted into the through holes, the opening elastic piece is a V-shaped elastic piece, the V-shaped elastic piece is arranged between the first lock tongue portion and the second lock tongue portion, and two elastic arms of the V-shaped elastic piece are respectively abutted to the first lock tongue portion and the second lock tongue portion. First spring bolt portion and second spring bolt portion pass through the projection and the through-hole cooperation is fixed to realize rotating the function, "V" type shell fragment is between first spring bolt portion and second spring bolt portion, cushions the impact of first spring bolt portion and spring bolt box, with the noise reduction.

The utility model has the advantages as follows:

(1) this kind of lock body structure of split type spring bolt, through dividing into two parts with the spring bolt, first spring bolt portion is when colliding with the spring bolt box, because open the existence in clearance, first spring bolt portion directly rotates to second spring bolt portion, first spring bolt portion and spring bolt box can not collide firmly promptly, with the noise that reduces both collisions and produce, simultaneously, the elastic component is opened in first spring bolt portion compression, first spring bolt portion also can not collide firmly with second spring bolt portion, open the power that the first spring bolt portion of elastic component buffering received, the noise has been reduced promptly, its elasticity can avoid the spring bolt very easily to be pressed back the lock box again, so that the lock is difficult for locking automatically because of the breeze.

(2) The pivot is connected with the first bolt locking portion and the second bolt locking portion, two ends of the torsion spring are respectively abutted against the first bolt locking portion and the second bolt locking portion, the first bolt locking portion is not easy to separate from the second bolt locking portion, in addition, the torsion spring is sleeved on the pivot in a penetrating mode to serve as a buffering component, the structure is simple, the operation is stable, the service life is long, the left side plate, the right side plate, the left movable plate and the right movable plate jointly shield an opening gap between the first bolt locking portion and the second bolt locking portion, the opening elastic piece and the pivot are not leaked, sundries are prevented from entering the opening gap, the service performance; the fixing seat and the protrusion fix the tower-shaped spring, and the tower-shaped spring plays a role in resetting and realizes the function of a spring bolt switch.

(3) The spacing groove of lock box and the stopper of first tongue portion prevent that the spring bolt transition from stretching out the lock box, when first tongue portion and lock tongue box collided, first tongue portion was around pivot rotation, the lever that uses the pivot as the fulcrum is formed to the exposed part of first tongue portion and spacing piece promptly, the exposed part of first tongue portion is extruded by the lock tongue box, the stopper extrudees to the lock tongue plate, the lock tongue plate is a part of lock box, the lock box is immovable, therefore, the stopper can promote the stopper to remove in the lock box to the extruded reaction force of lock tongue plate, with this realization spring bolt and the collision of lock tongue box, the spring bolt can draw back voluntarily, spring bolt and lock tongue box can not hard collision friction.

(4) Furthermore, when the spring bolt retracts into the lock box, the left side plate and the right side plate cannot drive the lock cylinder rotating piece to rotate, the lock cylinder rotating piece can drive the left side plate or the right side plate to move, the spring bolt retracts into the lock box, the lock opening and closing function is achieved, and the left guide groove and the right guide groove enable the left side plate, the right side plate and the lock cylinder rotating piece to move without being influenced by the lock box.

(5) In addition, first spring bolt portion and second spring bolt portion pass through the projection and the through-hole cooperation is fixed to realize rotating the function, "V" type shell fragment is between first spring bolt portion and second spring bolt portion, cushions the impact of first spring bolt portion and spring bolt box, in order to reduce the noise.

Drawings

Fig. 1 is a schematic structural diagram of the lock body structure of the split-type lock tongue of the present invention.

Fig. 2 is a schematic cross-sectional view of a vertical surface of the lock body structure of the split-type lock tongue of the present invention.

Fig. 3 is a schematic cross-sectional view of a horizontal plane of the lock body structure of the split-type lock tongue of the present invention.

Fig. 4 is an exploded structural view of the lock body structure of the split-type lock tongue of the present invention.

Detailed Description

The invention will be further described with reference to the following drawings and examples:

embodiment one, as shown in fig. 1 to 4, a lock body structure of a split-type lock tongue comprises a lock tongue 1, a lock box 2 and a lock cylinder rotating member 3 arranged in the lock box 2, wherein a front side wall of the lock box 2 extends towards two sides to form a lock tongue plate 20, the lock tongue 1 enters and exits the lock tongue plate 20, the lock tongue 1 comprises a first lock tongue portion 4 and a second lock tongue portion 5, two sides of the second lock tongue portion 5 are provided with left and right side plates (51, 52), the first lock tongue portion 4 is provided with left and right movable plates (41, 42), shaft holes 43 are formed in the left and right movable plates (41, 42), two ends of a pivot shaft 6 respectively pass through the shaft holes 43 in the left and right movable plates (41, 42), two ends of the pivot shaft 6 are rotatably arranged on the left and right side plates (51, 52) of the second lock tongue portion 5, the first lock tongue portion 4 rotates around the pivot shaft 6, an opening elastic member is further arranged between the first lock tongue portion, the opening elastic part is a torsion spring 7, the torsion spring 7 is sleeved on the pivot 6 in a penetrating manner, two ends of the torsion spring 7 are respectively abutted against the first tongue locking portion 4 and the second tongue locking portion 5, and an opening gap 70 is reserved between the first tongue locking portion 4 and the second tongue locking portion 5.

The top wall of the lock box 2 is provided with a limiting groove 21, one end of the limiting groove 21 extends to the position of the lock tongue plate 20, one end, close to the lock box 2, of the first lock tongue portion 4 is provided with a limiting block 40, the limiting block 40 is arranged in the limiting groove 21, one end, far away from the lock box 2, of the second lock tongue portion 5 is provided with a clamping block 54, one end, far away from the lock box 2, of the first lock tongue portion 4 is correspondingly provided with a yielding notch 44, and after the first lock tongue portion 4 and the second lock tongue portion 5 are closed, the clamping block 54 is inserted into the.

Second lock tongue 5 rear end is equipped with

baffle

53, and 7 one end of torsional spring offsets with the preceding terminal surface of

baffle

53, 2 diapalls of lock box are equipped with fixing base 8 and spring 80 corresponding baffle 53, and spring 80 sets up between fixing base 8 and baffle 53, and the spring 80 both ends offset with fixing base 8 and baffle 53 respectively.

The fixing seat 8 comprises a left fixing block and a right fixing block (81 and 82), the left fixing block and the right fixing block (81 and 82) are U-shaped, openings of the left fixing block and the right fixing block (81 and 82) are oppositely arranged, a protrusion 530 is arranged on the front end face of the baffle plate 53, the spring 80 is tower-shaped, the small-diameter end portion of the tower-shaped spring 80 is sleeved on the protrusion 530 and abuts against the baffle plate 53, and the large-diameter end portion of the tower-shaped spring 80 is clamped between the left fixing block and the right fixing block (81 and 82).

The left side plate (51) and the right side plate (52) extend into the lock box 2, the left side plate (51) and the right side plate (52) are hollowed to form a left movable groove (55) and a right movable groove (56) near the tail end, the rear ends of the left movable groove (55) and the right movable groove (56) extend outwards to form a left blocking arm (57) and a right blocking arm (58), the lock cylinder rotating piece (3) is rotatably arranged in the lock box 2, a left lug (31) and a right lug (32) which are inverted V-shaped are arranged on the lock cylinder rotating piece (3), the left lug (31) and the right lug (32) are inserted into the corresponding left movable groove (55) and the right movable groove (56), in a static state, the left lug (31) and the right lug (32) abut against the rear ends of the left movable groove (55) and the right movable groove (56), the left blocking arm (57) and the right blocking arm (58) abut against the rear ends of the left movable groove (55) and the right movable groove (56), the left guide groove (22) and the right guide groove (23, 23) And (4) the following steps.

According to the working principle, when the door is closed, the first bolt portion 4 abuts against the bolt 1 box on the door frame, the bolt 1 box enables the first bolt portion 4 to rotate towards the second bolt portion 5 around the pivot 6, the opening gap 70 between the first bolt portion 4 and the second bolt portion 5 is reduced, the first bolt portion 4 and the second bolt portion 5 compress the torsion spring 7 until the fixture block 54 of the second bolt portion 5 is inserted into the abdicating notch 44 of the first bolt portion 4 (the shape of the traditional bolt 1 is formed). When the torsion spring 7 is compressed, as the first tongue-locking portion 4 rotates around the pivot 6, that is, the exposed portion of the first tongue-locking portion 4 and the limiting block 40 form a lever with the pivot 6 as a fulcrum, the exposed portion of the first tongue-locking portion 4 is pressed by the tongue-locking box, the limiting block 40 presses the tongue-locking portion 20, so that the first tongue-locking portion 4 retracts into the lock box 2, that is, the limiting block 40 of the first tongue-locking portion 4 moves in the limiting groove 21 of the lock box 2, in the above process, the torsion spring 7 changes the force applied to the first tongue-locking portion 4 to push the baffle 53 of the second tongue-locking portion 5, the second tongue-locking portion 5 retracts into the lock box 2 under the force, the second tongue-locking portion 5 drives the first tongue-locking portion 4 to retract into the lock box 2, and the second tongue-locking portion 5 compresses the tower-shaped.

When the bolt 1 is inserted into the bolt 1 box, the tower spring 80 will push the second bolt part 5 out of the lock box 2 again until the limiting block 40 of the first bolt part 4 abuts against the bolt plate 20, and at the same time, the torsion spring 7 will open the first bolt part 4 and the second bolt part 5, so that an opening gap 70 exists between the first bolt part 4 and the second bolt part 5.

In the above process, when the left and right side plates (51, 52) move into the lock box 2, the left and right blocking arms (57, 58) move in the corresponding left and right guide grooves (22, 23), and the left and right side plates (51, 52) do not drive the lock cylinder rotor 3 to rotate.

When the lock is unlocked, the lock core drives the lock core rotating part 3 to rotate, the lock core rotating part 3 rotates to push the left and right blocking arms (57 and 58) to move towards the lock box 2 through the left convex block or the right convex block, namely, the second lock tongue part 5 is pushed to retract towards the lock box 2, and then the first lock tongue part 4 retracts along with the second lock tongue part 5, so that the lock tongue 1 retracts into the lock box 2, and the unlocking purpose is achieved.

The second embodiment is different from the first embodiment in that: the two sides of the first lock tongue portion 4 extend outwards to form convex columns, the two sides of the second lock tongue portion 5 are provided with left and right side plates (51 and 52), through holes are formed in the left and right side plates (51 and 52), the convex columns are inserted into the through holes, the opening elastic piece is a V-shaped elastic piece, the V-shaped elastic piece is arranged between the first lock tongue portion 4 and the second lock tongue portion 5, and two elastic arms of the V-shaped elastic piece are respectively abutted to the first lock tongue portion 4 and the second lock tongue portion 5.

Claims

1. The utility model provides a lock body structure of split type spring bolt, includes spring bolt (1), lock box (2) and sets up lock core rotation piece (3) in lock box (2), characterized by, spring bolt (1) is including first lock tongue portion (4) and second lock tongue portion (5), first lock tongue portion (4) are provided with between first lock tongue portion (4) and second lock tongue portion (5) and open the elastic component with but the mode setting on second lock tongue portion (5), open the elastic component both ends and offset with first lock tongue portion (4) and second lock tongue portion (5) respectively, make and have between first lock tongue portion (4) and the second lock tongue portion (5) and open clearance (70).

2. The lock body structure of the split-type bolt according to claim 1, wherein the first bolt portion (4) is arranged on the second bolt portion (5) through a pivot (6), the second bolt portion (5) rotates around the pivot (6), the opening elastic member is a torsion spring (7), the torsion spring (7) is sleeved on the pivot (6), and two ends of the torsion spring (7) are respectively abutted against the first bolt portion (4) and the second bolt portion (5).

3. The lock body structure of the split bolt according to claim 2, wherein the second bolt portion (5) is provided with left and right side plates (51, 52) at two sides, the pivot (6) is rotatably disposed on the left and right side plates (51, 52) at two ends, the first bolt portion (4) is provided with left and right movable plates (41, 42), the left and right movable plates (41, 42) are provided with shaft holes (43), and the pivot (6) passes through the shaft holes (43).

4. The lock body structure of the split bolt according to claim 2, wherein a baffle (53) is arranged at the rear end of the second bolt portion (5), one end of the torsion spring (7) abuts against the front end face of the baffle (53), a fixed seat (8) and a spring are arranged on the bottom wall of the lock box (2) corresponding to the baffle (53), the spring is arranged between the fixed seat (8) and the baffle (53), and two ends of the spring respectively abut against the fixed seat (8) and the baffle (53).

5. The lock body structure of the split bolt according to claim 4, wherein the fixing seat (8) includes left and right fixing blocks (81, 82), the left and right fixing blocks (81, 82) are both U-shaped, and the openings of the left and right fixing blocks (81, 82) are oppositely arranged, the front end surface of the baffle plate (53) is provided with a protrusion (530), the spring is tower-shaped, the small diameter end of the tower-shaped spring (80) is sleeved on the protrusion (530) and abuts against the baffle plate (53), and the large diameter end of the tower-shaped spring (80) is clamped between the left and right fixing blocks (81, 82).

6. The lock body structure of the split bolt according to claim 3, wherein the left and right side plates (51, 52) extend into the lock box (2), the left and right side plates (51, 52) have left and right movable slots (55, 56) hollowed out near the ends, the lock core rotation member (3) is rotatably disposed in the lock box (2), the lock core rotation member (3) is provided with left and right protrusions (31, 32) shaped like an inverted Chinese character 'ba', the left and right protrusions (31, 32) are inserted into the corresponding left and right movable slots (55, 56), and in a static state, the left and right protrusions (31, 32) abut against the rear ends of the left and right movable slots (55, 56).

7. The lock body structure of the split bolt according to claim 6, wherein the rear ends of the left and right movable slots (55, 56) are extended outward to form left and right blocking arms (57, 58), the left and right blocking arms (57, 58) are abutted against the rear ends of the left and right movable slots (55, 56) in a static state, left and right guide slots (22, 23) are formed in the left and right side walls of the lock box (2), and the left and right blocking arms (57, 58) are inserted into the corresponding left and right guide slots (22, 23).

8. The lock body structure of the split bolt according to claim 1, wherein the front side wall of the lock case (2) extends towards two sides to form the bolt plate (20), the bolt (1) enters and exits the bolt plate (20), the top wall of the lock case (2) is provided with a limiting groove (21), one end of the limiting groove (21) extends to the bolt plate (20), one end of the first bolt (4) close to the lock case (2) is provided with a limiting block (40), and the limiting block (40) is arranged in the limiting groove (21).

9. The lock body structure of the split-type lock tongue according to claim 1, wherein a clamping block (54) is arranged at one end, away from the lock box (2), of the second lock tongue portion (5), a abdicating notch (44) is correspondingly arranged at one end, away from the lock box (2), of the first lock tongue portion (4), and after the first lock tongue portion (4) and the second lock tongue portion (5) are closed, the clamping block (54) is inserted into the abdicating notch (44).

10. The lock body structure of the split-type bolt according to claim 1, wherein the first bolt portion (4) has a protruding column extending outward from both sides thereof, the second bolt portion (5) has left and right side plates (51, 52) disposed on both sides thereof, the left and right side plates (51, 52) have through holes, the protruding column is inserted into the through hole, the opening elastic member is a "V" -shaped elastic piece, the "V" -shaped elastic piece is disposed between the first bolt portion (4) and the second bolt portion (5), and two elastic arms of the "V" -shaped elastic piece are respectively abutted against the first bolt portion (4) and the second bolt portion (5).