CN110566039A

CN110566039A - magnetic silencing lock

Info

Publication number: CN110566039A
Application number: CN201910943407.0A
Authority: CN
Inventors: 朱璁; 朱旭晨
Original assignee: Zhejiang Meiyide Decoration Hardware Co Ltd
Current assignee: Zhejiang Meiyide Decoration Hardware Co Ltd
Priority date: 2019-09-30
Filing date: 2019-09-30
Publication date: 2019-12-13

Abstract

The invention discloses a magnetic silencing lock, which comprises a lock catch, an upper lock tongue and an upper lock tongue driving mechanism, wherein the lock catch is provided with an upper lock box, the bottom surface of the inner cavity of the upper lock box is provided with a plurality of magnetic beads, the upper lock tongue driving mechanism comprises a lock tongue sliding plate, a cover body and a plurality of magnetic beads, the magnetic beads can attract the magnetic beads to enable the upper lock tongue and the upper lock box to be locked, the cover body is buckled on the head part of the lock tongue sliding plate, the cover body is provided with a plurality of upper grooves, the head part is provided with a plurality of lower grooves, the lower grooves correspond to the upper grooves one to one, a mounting groove is formed between each lower groove and the corresponding upper groove, and the magnetic beads are arranged in the corresponding mounting grooves, wherein a buffer mechanism is arranged in the inner cavity of the upper lock box, and a plurality of stabilizing mechanisms are. The magnetic silencing lock provided by the invention adopts the structure, so that the noise is extremely low when the magnetic silencing lock is used.

Description

Magnetic silencing lock

Technical Field

the invention relates to the technical field of home hardware, in particular to a magnetic silencing lock.

Background

The door lock is a device for locking a door as the name implies so as to prevent other people from opening the door, the door lock is classified into a plurality of categories, the requirements on the door lock are different in each occasion, and the anti-theft door lock is generally used in ordinary families, so that the safety is high and the price is low.

chinese patent CN201621014672.9 discloses a magnetic silencing lock, which comprises a housing and a lock catch, an upper lock tongue, a lower lock tongue and a transmission mechanism are arranged in the shell, an upper lock tongue driving mechanism is arranged on the upper lock tongue, the lower lock tongue is provided with a lower lock tongue driving mechanism, the transmission mechanism drives the upper lock tongue driving mechanism and the lower lock tongue driving mechanism to enable the upper lock tongue and the lower lock tongue to move along the axial direction, the upper lock tongue driving mechanism comprises a lock tongue sliding plate, a cover body and a plurality of magnetic balls, the cover body is buckled on the lock tongue sliding plate, the magnetic ball is embedded between the lock tongue sliding plate and the cover body, a plurality of magnetic balls are arranged in the lock catch, the upper lock tongue extends into the lock catch through the attraction of the magnetic balls and the magnetic ball, the lock box of the lock catch is internally provided with a buffer part, and the buffer part is used for buffering and damping when the lock catch is in contact with the upper lock tongue, so that the noise is further reduced.

in the above patent document, although the buffer part is provided in the lock case of the lock catch, the structure of the buffer part is not disclosed, and thus the buffering performance of the buffer part is unknown, and thus it is not clear whether the noise can be effectively reduced, and in the above patent document, the magnetic ball is shaken in the upper mounting groove and the lower mounting groove, and thus the noise is also generated.

Disclosure of Invention

Technical problem to be solved

aiming at the defects of the prior art, the invention provides the magnetic silencing lock with good silencing effect.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme:

A magnetic silencing lock comprises a lock catch, an upper lock tongue and an upper lock tongue driving mechanism, wherein the lock catch is provided with an upper lock box, the bottom surface of the inner cavity of the upper buckle box is provided with a plurality of magnetic beads, the upper lock tongue driving mechanism comprises a lock tongue sliding plate, a cover body and a plurality of magnetic balls, the magnetic ball can attract the magnetic ball to lock the upper lock tongue and the upper buckle box, the cover body is buckled on the head of the lock tongue sliding plate, a plurality of upper grooves are arranged on the cover body, the head part is provided with a plurality of lower grooves which are in one-to-one correspondence with the upper grooves, and an installation groove is formed between the lower groove and the corresponding upper groove, the magnetic ball is arranged in the corresponding installation groove, the inner cavity of the upper buckle box is internally provided with a buffer mechanism, and the inner wall of the upper groove and the inner wall of the lower groove are respectively provided with a plurality of stabilizing mechanisms.

Further, the buffer mechanism includes:

the movable plate is in sliding fit with the upper buckle box;

The first spring is arranged between the moving plate and the bottom wall of the inner cavity of the upper buckle box;

The rubber cylinder connects the moving plate with the bottom wall of the inner cavity of the upper buckle box, and the first spring is positioned in the rubber cylinder;

and the pair of connecting rod assemblies are respectively arranged on two sides of the bottom end of the moving plate.

Still further, the moving plate includes:

The upper moving plate is provided with a plurality of through holes, the through holes correspond to the magnetic beads, the first spring is arranged between the upper moving plate and the bottom wall of the inner cavity of the upper buckle box, and the rubber cylinder connects the upper moving plate and the bottom wall of the inner cavity of the upper buckle box;

The elastic sleeve is arranged at the lower end of the movable upper plate, and the rubber cylinder is positioned in the elastic sleeve;

The movable lower plate is in sliding fit with the upper buckle box, the movable lower plate is located at the lower end of the elastic sleeve, the annular plate located on the lower end of the elastic sleeve is embedded in the annular groove located on the upper end of the movable lower plate, and the pair of connecting rod assemblies are arranged on two sides of the bottom end of the movable lower plate respectively.

still further, the connecting rod assembly includes:

one end of the driving rod is fixed on the bottom end of the movable lower plate;

One end of the first connecting rod is hinged to the other end of the driving rod;

One end of the swing rod is hinged to the other end of the first connecting rod, and the middle of the swing rod is pivoted on a corresponding first mounting plate positioned on the side wall of the inner cavity of the upper buckle box;

one end of the second connecting rod is hinged to the other end of the oscillating rod;

and one end of the rotating rod is hinged to the other end of the second connecting rod, and the other end of the rotating rod is pivoted on a second mounting plate which is positioned on the side wall of the inner cavity of the upper buckle box and corresponds to the upper buckle box.

further, the embedded first support piece of a plurality of that is equipped with of rubber cylinder, first support piece includes the bracing piece, the both ends of bracing piece are equipped with a supporting head respectively, supporting head includes wedge and diaphragm, just the wedge is located the outside of bracing piece, the diaphragm is located the inboard of bracing piece.

furthermore, a plurality of second supporting pieces are embedded in the elastic sleeve, each second supporting piece is provided with a bottom column, a convex hull is arranged at the upper end of each bottom column, the top surface of each convex hull extends towards the upper end of the elastic sleeve, an annular boss and an annular groove are arranged on the periphery of each bottom column, and the annular groove is located below the annular boss.

still further, the stabilizing mechanism includes:

One end of the ejector rod is pressed against the magnetic ball, the other end of the ejector rod extends into the corresponding counter bore on the side wall of the upper groove/the lower groove, and the other end of the ejector rod is in sliding fit with the counter bore;

The second spring is arranged between one end of the ejector rod and the side wall of the upper groove/the lower groove;

and the elastic pad is arranged between the other end of the ejector rod and the bottom wall of the counter bore.

furthermore, the elastic cushion comprises a bottom cushion, one end of the bottom cushion is connected with the bottom wall of the counter bore, an annular side cushion with a wavy outer wall surface is arranged at the other end of the bottom cushion, and the other end of the ejector rod can stretch into the annular side cushion.

further, the embedded a plurality of third support piece that is equipped with of cushion, third support piece includes the bottom plate, the bottom plate inlays to be established in the heelpiece, be equipped with a side arm on the outside of bottom plate, the side arm is including consecutive slope arm, plectane and arc arm, the non-link of slope arm to the periphery of heelpiece extends, the link of slope arm to the center of heelpiece extends, the plectane with the arc arm all is located in the annular side pad, just the cantilever end of arc arm to the center of annular side pad extends.

furthermore, the stabilizing mechanism further comprises an end cover, the end cover is arranged on the opening end of the counter bore, and the annular retaining shoulder on the ejector rod can abut against the end cover, so that the end cover limits the other end of the ejector rod in the counter bore.

(III) advantageous effects

the invention has the beneficial effects that:

1. Because the buffer mechanism is arranged in the inner cavity of the upper buckle box, when the upper lock tongue is to be contacted with the upper buckle box, the buffer mechanism can buffer the force generated when the upper lock tongue is contacted with the upper buckle box, and the noise generated when the upper lock tongue is contacted with the upper buckle box is reduced;

2. because the side walls of the upper groove and the lower groove are respectively provided with the plurality of stabilizing mechanisms, the magnetic ball can be prevented from shaking in the mounting groove, and the noise caused by the collision between the magnetic ball and the side wall of the mounting groove is avoided.

Drawings

Fig. 1 is a schematic perspective view of the lock of the present invention.

Fig. 2 is a schematic view of the connection between the cover and the tongue slide of the present invention.

3 fig. 3 3 3 is 3 a 3 cross 3- 3 sectional 3 view 3 taken 3 along 3 a 3- 3 a 3 of 3 fig. 31 3. 3

fig. 4 is an enlarged view at H in fig. 3.

fig. 5 is an enlarged view at I in fig. 3.

Fig. 6 is a schematic structural view of the first support member of the present invention.

Fig. 7 is a schematic structural view of a second supporting member according to the present invention.

Fig. 8 is an enlarged view at G in fig. 2.

Fig. 9 is a schematic structural view of the elastic pad of the present invention.

In the drawings: the locking buckle 10, the upper buckle box 101, the first mounting plate 1011, the second mounting plate 1012, the lower guide post 1013, the magnetic bead 102, the cover 20, the upper groove 201, the magnetic bead 30, the head 40, the lower groove 401, the mounting groove 50, the third support member 60, the bottom plate 601, the side arm 602, the inclined arm 6021, the circular plate 6022, the arc arm 6023, the end cap 70, the counter bore 100, the moving plate 1, the moving upper plate 11, the through hole 111, the upper guide post 112, the elastic sleeve 12, the annular plate 121, the moving lower plate 13, the annular groove 131, the first spring 2, the rubber tube 3, the connecting rod assembly 4, the driving rod 41, the first connecting rod 42, the swing rod 43, the second connecting rod 44, the swing rod 45, the first support member 5, the support rod 51, the support head 52, the block 521, the transverse plate 522, the second support member 6, the bottom post 61, the annular groove 611, the convex hull 62, the annular boss 63, the top rod 7, the annular shoulder, Elastic pad 9, base pad 91, annular side pad 92.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of specific embodiments of the present invention.

Referring to fig. 1 to 9, as shown in fig. 1 and 2, a magnetic noise reduction lock includes a lock buckle 10, an upper lock tongue, and an upper lock tongue driving mechanism, wherein the lock buckle 10 has an upper buckle box 101, a plurality of magnetic beads 102 are disposed on a bottom surface of an inner cavity of the upper buckle box 101, the upper lock tongue driving mechanism includes a lock tongue slide plate, a cover 20, and a plurality of magnetic beads 30, the magnetic beads 102 can attract the magnetic beads 30 to lock the upper lock tongue with the upper buckle box 101, the cover 20 is buckled on a head 40 of the lock tongue slide plate, the cover 20 is provided with a plurality of upper grooves 201, the head 40 is provided with a plurality of lower grooves 401, the lower grooves 401 correspond to the upper grooves 201 one to one, and a mounting groove 50 is formed between the lower grooves 401 and the corresponding upper grooves 201, the magnetic beads 30 are disposed in the corresponding mounting grooves 50, wherein, the intracavity of the box 101 that detains is equipped with buffer gear, and buffer gear can cushion the power when the spring bolt contacts the box 101 of detaining, reduces the noise that produces when going up the spring bolt contact box 101, the inner wall of upper groove 201 with be equipped with a plurality of firm mechanism on the inner wall of lower groove 401 respectively, can prevent that magnetism ball 30 from rocking in mounting groove 50, avoid magnetism ball 30 and mounting groove 50's lateral wall to take place to strike and produce the noise.

as shown in fig. 3, the buffer mechanism includes a moving plate 1, a first spring 2, a rubber tube 3 and a pair of connecting rod assemblies 4, and the moving plate 1 is in sliding fit with the upper buckle box 101; the first spring 2 is arranged between the moving plate 1 and the bottom wall of the inner cavity of the upper buckle box 101, the rubber tube 3 connects the moving plate 1 and the bottom wall of the inner cavity of the upper buckle box 101, the first spring 2 is located in the rubber tube 3, the pair of connecting rod assemblies 4 are respectively arranged on two sides of the bottom end of the moving plate 1, and the first spring 2, the rubber tube 3 and the connecting rod assemblies 4 are arranged in the buffer mechanism, so that when the upper lock tongue is to contact with the upper buckle box 101, the moving plate 1 can be driven to move, the first spring 2 and the rubber tube 3 are compressed, and the connecting rod assemblies 4 are driven, so that the force of the upper lock tongue which is to contact with the upper buckle box 101 can be buffered, and the phenomenon that the sound generated when the upper lock tongue is contacted with the upper buckle box 101 is too loud is prevented.

As shown in fig. 3 and 4, the moving plate 1 includes a moving upper plate 11, an elastic sleeve 12 and a moving lower plate 13, the moving upper plate 11 is provided with a plurality of through holes 111, the through holes 111 correspond to the magnetic beads 102, the first spring 2 is disposed between the moving upper plate 11 and the bottom wall of the inner cavity of the upper buckle box 101, specifically, the upper portion of the first spring 2 is sleeved on an upper guide post 112 located at the lower end of the moving upper plate 11, the lower portion of the first spring 2 is sleeved on a lower guide post 1013 located at the bottom wall of the inner cavity of the upper buckle box 101, when the door lock is opened, the first spring 2 is used to reset the moving plate 1, the rubber sleeve 3 connects the moving upper plate 11 with the bottom wall of the inner cavity of the upper buckle box 101, the elastic sleeve 12 is disposed at the lower end of the moving upper plate 11, and the rubber sleeve 3 is located in the elastic sleeve 12, the movable lower plate 13 is in sliding fit with the upper buckle box 101, the movable lower plate 13 is located at the lower end of the elastic sleeve 12, the annular plate 121 located at the lower end of the elastic sleeve 12 is embedded in the annular groove 131 located at the upper end of the movable lower plate 13, the pair of connecting rod assemblies 4 are respectively arranged on two sides of the bottom end of the movable lower plate 13, and when an upper lock tongue is to contact the upper buckle box 101, the movable upper plate 11 is driven to move, the elastic sleeve 12, the first spring 2 and the rubber cylinder 3 are compressed, and the force of the upper lock tongue which is to contact the upper buckle box 101 is buffered.

In the present embodiment, the cross-sectional shape of the annular plate 121 is a quincunx shape.

As shown in fig. 5, the link assembly 4 includes a driving lever 41, a first link 42, a swing link 43, a second link 44 and a rotating lever 45, one end of the driving lever 41 is fixed to the bottom end of the movable lower plate 13, one end of the first link 42 is hinged to the other end of the driving lever 41, one end of the swing link 43 is hinged to the other end of the first link 42, the middle of the swing link 43 is hinged to a corresponding first mounting plate 1011 located on the sidewall of the inner cavity of the upper buckle box 101, one end of the second link 44 is hinged to the other end of the swing link 43, one end of the rotating lever 45 is hinged to the other end of the second link 44, the other end of the rotating lever 45 is hinged to a corresponding second mounting plate located on the sidewall of the inner cavity of the upper buckle box 101, when the upper lock tongue is about to contact the upper buckle box 101, both the movable upper plate 11 and the movable lower plate 13 are caused to move, therefore, the driving rod 41 is moved, the swing rod 43 is swung under the action of the first connecting rod 42, and the rotating rod 45 is rotated under the action of the second connecting rod 44, so that the force of the upper bolt to be contacted with the upper buckle box 101 is buffered, and the sound of the upper bolt contacting with the upper buckle box 101 is reduced.

as shown in fig. 3 and 6, a plurality of first supporting members 5 annularly distributed around the axis of the rubber cylinder 3 are embedded in the rubber cylinder 3, each first supporting member 5 includes a supporting rod 51, two ends of each supporting rod 51 are respectively provided with a supporting head 52, each supporting head 52 includes a wedge block 521 and a transverse plate 522, the wedge block 521 is located on the outer side of the supporting rod 51, the transverse plate 522 is located on the inner side of the supporting rod 51, and the rubber cylinder 3 is embedded with the plurality of first supporting members 5, so that the rigidity of the rubber cylinder 3 can be increased, and the rubber cylinder 3 is prevented from being excessively deformed.

As shown in fig. 3 and 7, a plurality of second supporting members 6 are embedded in the elastic sleeve 12 and distributed annularly around the axis of the elastic sleeve 12, the second supporting member 6 has a bottom pillar 61, a convex hull 62 is arranged at the upper end of the bottom pillar 61, the top surface of the convex hull 62 extends towards the upper end of the elastic sleeve 12, an annular boss 63 and an annular groove 611 are arranged on the periphery of the bottom pillar 61, the annular groove 611 is located below the annular boss 63, and since the plurality of second supporting members 6 are embedded in the elastic sleeve 12 and the top surface of the convex hull 62 extends towards the upper end of the elastic sleeve 12, the rigidity of the elastic sleeve 12 is increased, and the elastic sleeve 12 is prevented from being deformed excessively.

as shown in fig. 2 and 8, the stabilizing mechanism includes a top bar 7, a second spring 8, an elastic pad 9 and an end cap, wherein one end of the top bar 7 presses against the magnetic ball 30, the other end of the top bar 7 extends into the corresponding counter bore 100 on the side wall of the upper groove 201/the lower groove 401, and the other end of the top bar 7 is in sliding fit with the counter bore 100, the second spring 8 is disposed between a hemispherical head 72 of one end of the top bar 7 and the side wall of the upper groove 201/the lower groove 401, the elastic pad 9 is disposed between the other end of the top bar 7 and the bottom wall of the counter bore 100, the end cap 70 is disposed on the open end of the counter bore 100, an annular shoulder 71 on the top bar 7 can abut against the end cap 70, so that the end cap 70 limits the other end of the top bar 7 in the counter bore 100, when the magnetic ball 30 shakes in the mounting groove 50, the ejector rod 7 is urged to move to compress the second spring 8 and the elastic pad 9, so that the magnetic ball 30 is prevented from colliding with the inner wall of the mounting groove 50 to generate noise, and the noise reduction effect of the magnetic noise reduction lock is improved.

as shown in fig. 8 and 9, the elastic pad 9 includes a bottom pad 91, one end of the bottom pad 91 is connected to the bottom wall of the counterbore 100, an annular side pad 92 with a wavy outer wall surface is provided at the other end of the bottom pad 91, the other end of the ram 7 can extend into the annular side pad 92, a plurality of third supporting members 60 are embedded in the elastic pad 9 and annularly distributed around the axis of the elastic pad 9, the third supporting members 60 include a bottom plate 601, the bottom plate 601 is embedded in the bottom pad 91, a side arm 602 is provided on the outer side of the bottom plate 601, the side arm 602 includes a tilt arm 6021, a circular plate 6022 and an arc arm 6023 which are sequentially connected, the non-connecting end of the tilt arm 6021 extends towards the outer periphery of the bottom pad 91, the connecting end of the tilt arm 6021 extends towards the center of the bottom pad 91, the circular plate 6022 and the arc arm 6023 are both located in the annular side pad 92, and the cantilever end of the arc arm 6023 extends towards the center of the annular side pad 92, and the third supporting pieces 60 are embedded in the elastic pad 9, so that the rigidity of the elastic pad 9 is increased, and the elastic pad 9 can be prevented from being excessively deformed.

It should be noted that the described embodiments of the invention are only preferred ways of implementing the invention, and that all obvious modifications, which are within the scope of the invention, are all included in the present general inventive concept.

Claims

1. A magnetic force silencing lock comprises a lock catch (10), an upper lock tongue and an upper lock tongue driving mechanism, wherein the lock catch (10) is provided with an upper buckle box (101), the bottom surface of the inner cavity of the upper buckle box (101) is provided with a plurality of magnetic beads (102), the upper lock tongue driving mechanism comprises a lock tongue sliding plate, a cover body (20) and a plurality of magnetic balls (30), the magnetic beads (102) can attract the magnetic balls (30) to enable the upper lock tongue to be locked with the upper buckle box (101), the cover body (20) is buckled on the head (40) of the lock tongue sliding plate, the cover body (20) is provided with a plurality of upper grooves (201), the head (40) is provided with a plurality of lower grooves (401), the lower grooves (401) correspond to the upper grooves (201) one to one, and a mounting groove (50) is formed between the lower grooves (401) and the corresponding upper grooves (201), the magnetic ball bearings (30) are arranged in the corresponding mounting grooves (50), and the magnetic ball bearing is characterized in that a buffer mechanism is arranged in the inner cavity of the upper buckle box (101), and a plurality of stabilizing mechanisms are respectively arranged on the inner wall of the upper groove (201) and the inner wall of the lower groove (401).

2. the magnetic noise-dampened lock of claim 1, wherein the damping mechanism includes:

the moving plate (1), the moving plate (1) is matched with the upper buckle box (101) in a sliding manner;

The first spring (2), the first spring (2) is arranged between the moving plate (1) and the bottom wall of the inner cavity of the upper buckle box (101);

The rubber cylinder (3) connects the moving plate (1) with the bottom wall of the inner cavity of the upper buckle box (101), and the first spring (2) is positioned in the rubber cylinder (3);

a pair of link assemblies (4), a pair of link assemblies (4) set up respectively on the both sides of the bottom of moving plate (1).

3. The magnetic noise-damping lock according to claim 2, characterized in that the moving plate (1) comprises:

The upper buckle is characterized by comprising a movable upper plate (11), wherein a plurality of through holes (111) are formed in the movable upper plate (11), the through holes (111) correspond to the magnetic beads (102), the first spring (2) is arranged between the movable upper plate (11) and the bottom wall of the inner cavity of the upper buckle box (101), and the rubber cylinder (3) connects the movable upper plate (11) and the bottom wall of the inner cavity of the upper buckle box (101);

The elastic sleeve (12), the said elastic sleeve (12) is set up on the lower end of the said moving upper plate (11), and the said rubber cylinder (3) locates in the said elastic sleeve (12);

The movable lower plate (13) is in sliding fit with the upper buckle box (101), the movable lower plate (13) is located at the lower end of the elastic sleeve (12), an annular plate (121) located at the lower end of the elastic sleeve (12) is embedded in an annular groove (131) located at the upper end of the movable lower plate (13), and the pair of connecting rod assemblies (4) are respectively arranged on two sides of the bottom end of the movable lower plate (13).

4. The magnetic noise-damping lock according to claim 3, characterized in that the connecting-rod assembly (4) comprises:

A driving rod (41), one end of the driving rod (41) is fixed on the bottom end of the movable lower plate (13);

A first link (42), one end of the first link (42) is hinged on the other end of the driving rod (41);

One end of the swing rod (43) is hinged to the other end of the first connecting rod (42), and the middle part of the swing rod (43) is pivoted on a corresponding first mounting plate (1011) positioned on the side wall of the inner cavity of the upper buckle box (101);

A second connecting rod (44), wherein one end of the second connecting rod (44) is hinged on the other end of the swinging rod (43);

one end of the rotating rod (45) is hinged to the other end of the second connecting rod (44), and the other end of the rotating rod (45) is pivoted on a corresponding second mounting plate (1012) located on the side wall of the inner cavity of the upper buckle box (101).

5. The magnetic force sound attenuation lock according to claim 2, characterized in that a plurality of first supporting members (5) are embedded in the rubber cylinder (3), each first supporting member (5) comprises a supporting rod (51), a supporting head (52) is respectively arranged at each of two ends of each supporting rod (51), each supporting head (52) comprises a wedge block (521) and a transverse plate (522), each wedge block (521) is located at the outer side of each supporting rod (51), and each transverse plate (522) is located at the inner side of each supporting rod (51).

6. the magnetic noise reduction lock according to claim 3, wherein a plurality of second supporting members (6) are embedded in the elastic sleeve (12), the second supporting members (6) are provided with bottom pillars (61), the upper end of each bottom pillar (61) is provided with a convex hull (62), the top surfaces of the convex hulls (62) extend towards the upper end of the elastic sleeve (12), the outer periphery of each bottom pillar (61) is provided with an annular boss (63) and an annular groove (611), and the annular groove (611) is located below the annular boss (63).

7. the magnetic noise-dampened lock of claim 1, wherein the securement mechanism includes:

one end of the ejector rod (7) is pressed against the magnetic ball (30), the other end of the ejector rod (7) extends into a corresponding counter bore (100) on the side wall of the upper groove (201)/the lower groove (401), and the other end of the ejector rod (7) is in sliding fit with the counter bore (100);

The second spring (8), the said second spring (8) is set up between sidewall of one end and said upper groove (201)/lower groove (401) of the said knockout pin (7);

The elastic pad (9), the elastic pad (9) sets up between the other end of ejector pin (7) and the diapire of counter bore (100).

8. The magnetic force sound attenuation lock according to claim 7, characterized in that the elastic pad (9) comprises a bottom pad (91), one end of the bottom pad (91) is connected with the bottom wall of the counter bore (100), an annular side pad (92) with a wavy outer wall surface is arranged at the other end of the bottom pad (91), and the other end of the ejector rod (7) can extend into the annular side pad (92).

9. The magnetic noise reduction lock according to claim 8, characterized in that a plurality of third supporting members (60) are embedded in the elastic pad (9), the third supporting members (60) comprise a bottom plate (601), the bottom plate (601) is embedded in the bottom pad (91), a side arm (602) is arranged on the outer side of the bottom plate (601), the side arm (602) comprises a tilt arm (6021), a circular plate (6022) and an arc arm (6023) which are connected in sequence, the non-connecting end of the tilt arm (6021) extends towards the periphery of the bottom pad (91), the connecting end of the tilt arm (6021) extends towards the center of the bottom pad (91), the circular plate (6022) and the arc arm (6023) are both located in the annular side pad (92), and the cantilever end of the arc arm (6023) extends towards the center of the annular side pad (92).

10. The magnetic noise-reduction lock according to claim 9, characterized in that the securing mechanism further comprises an end cap (70), the end cap (70) being disposed on the open end of the counterbore (100), the annular shoulder (71) on the carrier rod (7) being capable of abutting against the end cap (70) such that the end cap (70) confines the other end of the carrier rod (7) within the counterbore (100).