CN111877880A - Ultra-silent telescopic structure of lock body main spring bolt - Google Patents

Abstract

The invention relates to the technical field of locks, in particular to an ultra-silent telescopic structure of a main lock tongue of a lock body, which comprises a lock shell assembly, wherein an ultra-silent main lock tongue assembly, an ultra-silent oblique tongue assembly and a shaft core assembly are fixedly arranged in the lock shell assembly, the lock shell assembly comprises a lock bottom shell and a side panel, the ultra-silent main lock tongue assembly is fixed in a main lock tongue hole formed in the side panel through a main lock tongue silent sleeve, the ultra-silent oblique tongue assembly is fixed in an oblique tongue hole formed in the side panel, and the ultra-silent oblique tongue assembly is connected to the shaft core assembly through an oblique tongue guide piece.

Description

Ultra-silent telescopic structure of lock body main spring bolt

Technical Field

The invention relates to the technical field of locks, in particular to an ultra-silent telescopic structure of a main lock tongue of a lock body.

Background

The door lock is a hardware installed on the door for keeping the safety of the room or the personal storage space, and the basic structure of the door lock comprises a bolt which can do telescopic motion under the action of external force and is matched with a buckle box arranged on a door frame, so that the door can be prevented from being opened under the unexpected conditions of wind blowing and the like. Along with the improvement of living standard, people put forward higher requirement to the practicality of lock, and the lock core thumb wheel rotates at present and the main spring bolt collision that the square tongue spacer is flexible, can produce very big collision sound to reach the effect of silence.

In summary, the present invention solves the existing problems by designing an ultra-silent telescopic structure of the main bolt of the lock body.

Disclosure of Invention

The invention aims to provide an ultra-silent telescopic structure of a main lock tongue of a lock body, which aims to solve the problems in the prior art.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a lock body main spring bolt's super-silent extending structure, includes lock shell subassembly, the fixed super-silent main spring bolt subassembly, super-silent latch bolt subassembly and the axle core subassembly that is equipped with in the inside of lock shell subassembly, lock shell subassembly includes lock drain pan and side board, super-silent main spring bolt subassembly passes through main spring bolt silence cover to be fixed in the main spring bolt hole that the side board was seted up, super-silent latch bolt subassembly is fixed in the latch bolt hole that the side board was seted up, super-silent latch bolt subassembly passes through the latch bolt guide piece and connects on the axle core subassembly.

Preferably, the ultra-silent main spring bolt assembly comprises a square bolt silent bottom shell, a positioning silencing sheet, a main spring bolt connecting sheet, a hand-feeling steel ball, a hand-feeling spring, a linkage unlocking push strip and a square bolt silent upper shell, wherein two groups of positioning silencing holes are formed in the end surface of the square bolt silent bottom shell, the positioning silencing sheets are arranged inside the two groups of positioning silencing holes, the positioning sheet is arranged on the end surface of the square bolt silent bottom shell and positioned above the positioning silencing sheet, a transmission surface is arranged on one side of the positioning sheet, an upper positioning surface is arranged at the upper end of the positioning sheet and perpendicular to the transmission surface, a lower positioning surface is arranged at the lower end of the positioning sheet and perpendicular to the transmission surface, the positioning sheet is sleeved in a positioning sheet clamping groove formed in the main spring bolt connecting sheet, the main spring bolt connecting sheet is connected with the linkage unlocking push strip through a push strip rivet, and a push strip rivet hole is formed in one side of, the other side of the positioning piece clamping groove is arranged on the main lock tongue connecting piece, the main lock tongue is sleeved on the main lock tongue connecting piece, a push strip guide groove is formed in the linkage unlocking push strip, a push strip connecting hole is formed in one side of the push strip guide groove and the linkage unlocking push strip, a cam contact surface is arranged at one side of the push strip guide groove and one end of the linkage unlocking push strip, a push strip rivet is sleeved in the push strip guide groove and the push strip rivet hole, the main lock tongue connecting piece is connected to the lower end of the square tongue mute upper shell through the guide pin, the hand-feeling steel ball and the hand-feeling spring are respectively assembled between the main lock tongue connecting piece and the square tongue mute upper shell, the hand-feeling steel ball is sleeved at one end of the hand-feeling spring, the guide groove is formed in the end surface of the square tongue mute upper shell, and a locking silencing hole is formed in one side of the guide groove and the end surface, the utility model discloses a lock silencing device, including the square tongue silence upper shell, the inside cover of bloop is equipped with the bloop piece of locking, the opposite side of guide way has seted up the bloop of unblanking on being located the terminal surface of square tongue silence upper shell, the inside cover of bloop of unblanking is equipped with the bloop piece of unblanking, one side of bloop and be located the terminal surface of square tongue silence upper shell and be provided with the positioning spring fixed pin, the positioning spring fixed pin passes through positioning piece return spring and connects on the lock drain pan.

Preferably, the ultra-silent latch bolt assembly comprises an arc-shaped latch bolt, a silent insert is sleeved on the arc-shaped latch bolt, a connecting rod is inserted into the other end of the arc-shaped latch bolt, a connecting rod positioning surface is arranged at one end, away from the arc-shaped latch bolt, of the connecting rod, the connecting rod penetrates through the connecting rod silencing piece, a return spring is arranged between the connecting rod silencing piece and the arc-shaped latch bolt, the return spring is sleeved on the outer side of the connecting rod, a latch bolt return silent sleeve is installed at one end, away from the return spring, of the connecting rod silencing piece, and a silencing buffering surface is arranged at one end, away from the connecting rod silencing piece.

Preferably, the shaft core assembly comprises a shaft core, a power spring is sleeved outside the shaft core, a push strip shifting piece is installed at the upper end of the shaft core, a first inclined tongue transmission surface is arranged on one side of the push strip shifting piece, a vertical push strip connecting shaft is arranged on the other side of the push strip shifting piece, an inclined tongue shifting piece is installed at the lower end of the shaft core, a second inclined tongue transmission surface is arranged on one side of the inclined tongue shifting piece, and the power spring is clamped on the lock bottom shell.

Preferably, the pushing strip connecting shaft on the shaft core assembly is connected to a pushing strip connecting hole formed in the linkage unlocking pushing strip.

Preferably, the connecting rod silencing piece in the ultra-silent oblique tongue component is connected to the oblique tongue pulling piece in the shaft core component through the oblique tongue guide piece.

Preferably, the dead bolt mute bottom shell and the dead bolt mute upper shell are respectively clamped on the lock bottom shell.

Preferably, the latch bolt transmission surface on the push strip shifting piece is arranged corresponding to the connecting rod positioning surface on the latch bolt connecting rod.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the main spring bolt is fixed on the clamping position through the upper shell of the square bolt silencing bottom shell, and the square bolt positioning piece subjected to collision silencing treatment is rotated through the lock cylinder shifting wheel to stretch the main spring bolt, so that the collision sound is greatly reduced, and the ultra-silencing effect is achieved.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is an exploded view of the mute main bolt assembly according to the present invention;

FIG. 3 is a schematic diagram of an explosion structure of the ultra-silent latch bolt set according to the present invention;

fig. 4 is a schematic view of an exploded structure of the spindle assembly of the present invention.

In the figure: 1-ultra-silent main bolt assembly, 2-ultra-silent oblique bolt assembly, 3-axle core assembly, 4-lock shell assembly, 111-square bolt silent bottom shell, 121-positioning noise reduction sheet, 131-positioning sheet, 141-main bolt, 142-main bolt connecting sheet, 143-hand steel ball, 144-hand spring, 145-linkage unlocking push bar, 151-square bolt silent upper shell, 152-locking noise reduction sheet, 153-unlocking noise reduction sheet, 154-positioning sheet return spring, 1111-positioning noise reduction hole, 1311-transmission surface, 1312-upper positioning surface, 1313-lower positioning surface, 1421-push bar hole, 1422-positioning sheet clamping groove, 1423-guide pin, 1451-cam contact surface, 1452-push bar guide groove, 1453-push bar connecting hole, 1511-locking silencing hole, 1512-unlocking silencing hole, 1513-guide groove, 1514-positioning spring fixing pin, 21-cambered oblique tongue, 22-silencing insert, 23-return spring, 24-connecting rod silencing piece, 25-oblique tongue return silencing sleeve, 26-connecting rod, 251-silencing buffer surface, 261-connecting rod positioning surface, 31-shaft core, 32-push strip shifting piece, 33-oblique tongue shifting piece, 34-boosting spring, 321-oblique tongue driving surface I, 322-push strip connecting shaft, 331-oblique tongue driving surface II, 41-lock 421, bottom shell 42-side panel, 43-main lock tongue silencing sleeve, 44-oblique tongue guide piece, main lock tongue hole and 422-oblique tongue hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a lock body main spring bolt's super-silent extending structure, including lock shell subassembly 4, the fixed super-silent main spring bolt subassembly 1 that is equipped with in inside of lock shell subassembly 4, super-silent latch bolt subassembly 2 and axle core subassembly 3, lock shell subassembly 4 is including lock drain pan 41 and side board 42, super-silent main spring bolt subassembly 1 is fixed in the main spring bolt hole 421 that the board 42 was seted up through main spring bolt silence cover 43, super-silent latch bolt subassembly 2 is fixed in the latch bolt hole 422 that the board 42 was seted up, super-silent latch bolt subassembly 2 is connected on axle core subassembly 3 through latch bolt guide strip 44.

Further, the ultra-silent main bolt assembly 1 comprises a square bolt silent bottom case 111, a positioning silencing sheet 121, a main bolt 141, a main bolt connecting piece 142, a hand steel ball 143, a hand spring 144, a linkage unlocking push bar 145 and a square bolt silent upper case 151, two sets of positioning silencing holes 1111 are formed in the end surface of the square bolt silent bottom case 111, the positioning silencing sheet 121 is mounted in each set of positioning silencing holes 1111, a positioning sheet 131 is mounted on the end surface of the square bolt silent bottom case 111 and above the positioning silencing sheet 121, a driving surface 1311 is arranged on one side of the positioning sheet 131, an upper positioning surface 1312 is arranged at the upper end of the positioning sheet 131 and perpendicular to the driving surface 1311, a lower positioning surface 1313 is arranged at the lower end of the positioning sheet 131 and perpendicular to the driving surface 1311, the positioning sheet 131 is sleeved in a positioning sheet clamping groove 1422 formed in the main bolt connecting piece 142, the main bolt connecting piece 142 is connected with the linkage unlocking push bar 145 through a push bar rivet 146, a push bar rivet hole 1421 is formed at one side of the positioning plate clamping groove 1422 and is positioned on the main bolt connecting plate 142, a guide pin 1423 is arranged at the other side of the positioning plate clamping groove 1422 and is positioned on the main bolt connecting plate 142, the main bolt 141 is sleeved on the main bolt connecting plate 142, a push bar guide groove 1452 is formed on the linkage unlocking push bar 145, a push bar connecting hole 1453 is formed at one side of the push bar guide groove 1452 and is positioned on the linkage unlocking push bar 145, a cam contact surface 1451 is formed at one side of the push bar guide groove 1452 and at one end of the linkage unlocking push bar 145, a push bar rivet 146 is sleeved in the push bar guide groove 1452 and the push bar rivet hole 1421, the main bolt connecting plate 142 is connected to the lower end of the square bolt upper shell 151 through the guide pin 1423, a hand feeling steel ball 143 and a hand feeling spring 144 are respectively assembled between the main bolt connecting plate 142 and the square bolt upper shell 151, the, the end surface of the upper square tongue silencing shell 151 is provided with a guide groove 1513, one side of the guide groove 1513 is provided with a locking silencing hole 1511 on the end surface of the upper square tongue silencing shell 151, the inside of the locking silencing hole 1511 is sleeved with a locking silencing sheet 152, the other side of the guide groove 1513 is provided with an unlocking silencing hole 1512 on the end surface of the upper square tongue silencing shell 151, the inside of the unlocking silencing hole 1512 is sleeved with an unlocking silencing sheet 153, one side of the unlocking silencing hole 1512 is provided with a positioning spring fixing pin 1514 on the end surface of the upper square tongue silencing shell 151, and the positioning spring fixing pin 1514 is connected to the locking bottom shell 41 through a positioning sheet return spring 154.

Furthermore, the ultra-silent latch bolt assembly 2 comprises a cambered latch bolt 21, a silent insert 22 is sleeved on the cambered latch bolt 21, a connecting rod 26 is inserted into the other end of the cambered latch bolt 21, a connecting rod positioning surface 261 is arranged at one end, away from the cambered latch bolt 21, of the connecting rod 26, the connecting rod 26 penetrates through a connecting rod silencing piece 24, a return spring 23 is arranged between the connecting rod silencing piece 24 and the cambered latch bolt 21, the return spring 23 is sleeved on the outer side of the connecting rod 26, a latch bolt return silent sleeve 25 is arranged at one end, away from the return spring 23, of the connecting rod silencing piece 24, and a silencing buffer surface 251 is arranged at one end, away from the connecting rod silencing piece 24, of.

Further, the shaft core assembly 3 includes a shaft core 31, a power spring 34 is sleeved outside the shaft core 31, a push bar shifting piece 32 is installed at the upper end of the shaft core 31, a first latch bolt transmission surface 321 is arranged on one side of the push bar shifting piece 32, a vertical push bar connecting shaft 322 is arranged on the other side of the push bar shifting piece 32, a latch bolt shifting piece 33 is installed at the lower end of the shaft core 31, a second latch bolt transmission surface 331 is arranged on one side of the latch bolt shifting piece 33, and the power spring 34 is clamped on the lock bottom case 41.

Further, the pushing bar connecting shaft 322 on the shaft core assembly 3 is connected to a pushing bar connecting hole 1453 formed on the linkage unlocking pushing bar 145.

Further, the link noise reduction member 24 inside the ultra-silent latch bolt assembly 2 is connected to the latch bolt moving piece 33 in the shaft core assembly 3 through the latch bolt guide piece 44.

Further, the bottom dead bolt case 111 and the top dead bolt case 151 are locked to the bottom lock case 41.

Further, the latch driving surface 321 of the push-bar pick 32 is disposed corresponding to the link positioning surface 261 of the latch link 26.

The specific implementation case is as follows:

referring to fig. 1, 2, 3 and 4, an ultra-silent telescopic structure of a lock body main bolt comprises a lock shell assembly 4, an ultra-silent main bolt assembly 1, an ultra-silent latch bolt assembly 2 and a shaft core assembly 3 are fixedly arranged inside the lock shell assembly 4 to form an integrated ultra-silent lock body, the lock shell assembly 4 comprises a lock bottom shell 41 and a side panel 42, the ultra-silent main bolt assembly 1 is fixed in a main bolt hole 421 of the side panel 42 through a main bolt silent sleeve 43, the lock bottom shell 41 is clamped through a square bolt silent bottom shell 111 and a square bolt silent upper shell 151 for positioning, a lock core poking wheel surface and a driving surface 1311 of a positioning plate 131 push forwards and backwards to poke a main bolt connecting plate 142 to telescopically link a main bolt 141 so as to lock and unlock the lock body, an upper positioning surface and a lower positioning surface 1313 of the positioning plate 131 are in a same collision with an insert positioning silencing plate 152 in a positioning silencing plate 121 and a silencing hole 1511 due to the acting force of a positioning plate return spring 154, and an insert silencing plate positioning silencing plate 152 in a positioning Carrying out buffering and silencing treatment; the main bolt connecting piece 142 performs locking and unlocking motion under the guidance of the guide groove 1513 inside the square bolt mute upper shell 151 due to the acting force of the cam, the main bolt assembly 1 performs buffering and silencing by colliding the connecting piece guide pin 1423 with the insert locking silencing piece 152 in the locking silencing hole 1511 and the insert unlocking silencing piece 153 in the unlocking silencing hole 1512 due to the inertial acting force, the cam rotates clockwise again in the unlocking state of the main bolt assembly 1 and is transmitted with the cam contact surface 1451 of the linkage unlocking push bar 145, one end of the linkage unlocking push bar 145 is fixedly guided and pushed downwards by the push bar pin 146 through the push bar guide groove 1452 and the main bolt connecting piece 142, the other end is hinged and transmitted with the push bar connecting shaft 322 at the position of the push bar pulling piece 32 through the push bar connecting hole 1453, the inclined bolt transmission surface 321 of the push bar pulling piece 32 and the connecting rod positioning surface 261 at the position of the inclined bolt connecting rod 26 push the inclined bolt assembly 2 to be disengaged, after the ultra-silent main bolt assembly 1 is unlocked, the ultra-silent main bolt assembly can rebound and return quickly under the action of a return spring 23.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (8)

1. The utility model provides a lock body main spring bolt's super-silent extending structure, includes lock shell subassembly (4), its characterized in that, the inside of lock shell subassembly (4) is fixed and is equipped with super-silent main spring bolt subassembly (1), super-silent oblique tongue subassembly (2) and axle core subassembly (3), lock shell subassembly (4) are including lock drain pan (41) and side board (42), super-silent main spring bolt subassembly (1) is fixed in main spring bolt hole (421) that side board (42) were seted up through main spring bolt silence cover (43), super-silent oblique tongue subassembly (2) are fixed in oblique tongue hole (422) that side board (42) were seted up, super-silent oblique tongue subassembly (2) are connected on axle core subassembly (3) through oblique tongue stator (44).

2. The ultra-silent telescopic structure of the main bolt of the lock body of claim 1, which is characterized in that: the ultra-silent main bolt component (1) comprises a square tongue silent bottom shell (111), a positioning silencing sheet (121), a main bolt (141), a main bolt connecting sheet (142), a hand-feeling steel ball (143), a hand-feeling spring (144), a linkage unlocking push strip (145) and a square tongue silent upper shell (151), wherein two groups of positioning silencing holes (1111) are formed in the end surface of the square tongue silent bottom shell (111), the positioning silencing sheets (121) are arranged in the two groups of positioning silencing holes (1111), a positioning sheet (131) is arranged on the end surface of the square tongue silent bottom shell (111) and above the positioning silencing sheet (121), a transmission surface (1311) is arranged on one side of the positioning sheet (131), an upper positioning surface (1312) is arranged at the upper end of the positioning sheet (131) and perpendicular to the transmission surface (1311), and a lower positioning surface (1313) is arranged at the lower end of the positioning sheet (131) and perpendicular to the transmission surface (1311), the positioning plate (131) is sleeved in a positioning plate clamping groove (1422) formed in a main bolt connecting plate (142), the main bolt connecting plate (142) is connected with a linkage unlocking push strip (145) through a push strip rivet (146), a push strip rivet hole (1421) is formed in one side of the positioning plate clamping groove (1422) and is positioned on the main bolt connecting plate (142), a guide pin (1423) is arranged in the other side of the positioning plate clamping groove (1422) and is positioned on the main bolt connecting plate (142), the main bolt (141) is sleeved on the main bolt connecting plate (142), a push strip guide groove (1452) is formed in the linkage unlocking push strip (145), a push strip connecting hole (1453) is formed in one side of the push strip guide groove (1452) and is positioned on the linkage unlocking push strip (145), a cam contact surface (1451) is arranged in one side of the push strip guide groove (1452) and is positioned at one end of the linkage unlocking push strip (145), the push bar rivet (146) is sleeved in a push bar guide groove (1452) and a push bar rivet hole (1421), the main bolt connecting piece (142) is connected to the lower end of the square bolt mute upper shell (151) through a guide pin (1423), the hand feeling steel ball (143) and the hand feeling spring (144) are respectively assembled between the main bolt connecting piece (142) and the square bolt mute upper shell (151), the hand feeling steel ball (143) is sleeved at one end of the hand feeling spring (144), the end surface of the square bolt mute upper shell (151) is provided with the guide groove (1513), one side of the guide groove (1513) and the end surface of the square bolt mute upper shell (151) are provided with a locking muffling hole (1511), the locking muffling hole (1511) is sleeved with a locking muffling piece (152), the other side of the guide groove (1513) and the end surface of the square bolt upper shell (151) are provided with an unlocking muffling hole (1512), the inner sleeve of the unlocking silencing hole (1512) is provided with an unlocking silencing sheet (153), one side of the unlocking silencing hole (1512) is provided with a positioning spring fixing pin (1514) on the end face of the square tongue silencing upper shell (151), and the positioning spring fixing pin (1514) is connected to the locking bottom shell (41) through a positioning sheet return spring (154).

3. The ultra-silent telescopic structure of the main bolt of the lock body of claim 1, which is characterized in that: the ultra-silent latch bolt assembly (2) comprises an arc latch bolt (21), a silent insert (22) is sleeved on the arc latch bolt (21), a connecting rod (26) is inserted at the other end of the arc latch bolt (21), a connecting rod positioning surface (261) is arranged at one end, away from the arc latch bolt (21), of the connecting rod (26), the connecting rod (26) penetrates through a connecting rod silencing piece (24), a return spring (23) is arranged between the connecting rod silencing piece (24) and the arc latch bolt (21), the return spring (23) is sleeved on the outer side of the connecting rod (26), a latch bolt return silent sleeve (25) is arranged at one end, away from the return spring (23), of the connecting rod silencing piece (24), and a silencing surface (251) is arranged at one end, away from the connecting rod silencing piece (24), of the latch bolt return silent sleeve (25).

4. The ultra-silent telescopic structure of the main bolt of the lock body of claim 1, which is characterized in that: the utility model discloses a lock, including lock drain pan (41), axle core subassembly (3) is including axle core (31), the outside cover of axle core (31) is equipped with helping hand spring (34), the upper end of axle core (31) is installed and is pushed away strip plectrum (32), the one side that pushes away strip plectrum (32) is equipped with oblique tongue driving surface one (321), the opposite side that pushes away strip plectrum (32) is equipped with vertically pushes away a connecting axle (322), oblique tongue plectrum (33) are installed to the lower extreme of axle core (31), one side of oblique tongue plectrum (33) is equipped with oblique tongue driving surface two (331), helping hand spring (34) joint is on lock drain pan (41).

5. The ultra-silent telescopic structure of the main bolt of the lock body as claimed in claim 2 or 4, wherein: and a push bar connecting shaft (322) on the shaft core assembly (3) is connected in a push bar connecting hole (1453) formed in the linkage unlocking push bar (145).

6. The ultra-silent telescopic structure of the main bolt of the lock body according to claim 1 or 3, which is characterized in that: the connecting rod silencing piece (24) in the ultra-silence latch bolt component (2) is connected to the latch bolt shifting piece (33) in the shaft core component (3) through the latch bolt guide piece (44).

7. The ultra-silent telescopic structure of the main bolt of the lock body according to claim 1 or 2, characterized in that: the square tongue silencing bottom shell (111) and the square tongue silencing upper shell (151) are clamped on the lock bottom shell (41) respectively.

8. The ultra-silent telescopic structure of the main bolt of the lock body of claim 1, which is characterized in that: the latch bolt driving surface (321) on the push strip shifting piece (32) is arranged corresponding to the connecting rod positioning surface (261) on the latch bolt connecting rod (26).

Images