A kind of silencing apparatus for antitheft door
Technical field
The present invention relates to sphere of life, specifically a kind of silencing apparatus for antitheft door.
Background technology
It is well known that lock be people life in commonly use instrument, for user private property and individual privacy rise one
Fixed protective effect.Antitheft door in the market, its internal dead bolt retraction door is interior after door is opened, and door is being closed into wink
Between, the spring inside lock core quickly releases dead bolt so that the part fast ram inside lock core so that easily produce at closing time
Larger noise, and the multiplex metal material of antitheft door body, further amplify the sound;Because the noise is not door and doorframe
Shock is sent, therefore is slowly closed the door and can not also eliminate the sound even if user;For the people being on night shift, larger closes the door
Noise can influence neighbours to rest.
In the market has many silent door locks, and Jing Yin part and door lock are carried out binding design by this kind of door lock, and user wants to make
Door lock can only be changed with muting function, and original lock is just unrenewable, causes to waste;For this limitation, someone is being oriented to
Elastomeric objects (such as spring, buffering spacer) are installed on the inside of piece to buffer dead bolt impact, Jing Yin purpose, but this kind of elastic material is reached
Body can cause thrust due to natural resiliency to dead bolt, influence locking effect, not safe enough.
The content of the invention
For the problems of the prior art, rack drives are utilized the invention provides a kind of silencing apparatus for antitheft door
Pinion rotation, because the center of circle of gear and flywheel is on an axle, so the rotation of the rotation meeting flywheel driven of gear, due to flying
The quality of wheel is larger, and rotating needs the process of a buffering, and cushioning effect is served well, and becomes in dead bolt impulsive force
When weak, flywheel be may proceed to drive clockwork spring to rotate due to inertia, and when turning to extreme position, tooth bar is blocked in latch sector-meeting, no
The sound closed the door is become very little, do not interfere with others' rest, and do not interfere with normal locking, using safety, and
It due to having buffered active force, can effectively weaken the in-built degree of wear, extend the life-span of door lock.
The technical solution adopted for the present invention to solve the technical problems is:A kind of silencing apparatus for antitheft door, including
Shell, dead bolt, transition apparatus, removable carry-over bar, gear, flywheel, clockwork spring, reset card and elastic card;Described shell is in
Overturn 90 degree half seals " u "-shaped, and the " u "-shaped shell is divided into epimere, stage casing, sealing section and hypomere from top to bottom, described
Seal section to be located at below the left side of epimere, the bottom surface for sealing section is smooth, and the bottom right of sealing section is provided with a protuberance
Point, there is a ledge left side top of described hypomere.
The upper surface of the dead bolt is contacted with sealing the lower surface of section so that when dead bolt is moved to isolation, make triggering
Piece is moved up, due to the presence of rotary shaft, and latch sector-meeting is rotated down, and prevents removable carry-over bar from continuing to move to.
Between the removable carry-over bar is located at epimere and is lower, the left side of removable carry-over bar is contacted with dead bolt, removable carry-over bar
Including support column and tooth bar;Described support column is into cuboid, and positioned at the left side of removable carry-over bar, support column is placed on down vertically
The upper surface of section, and the bottom surface of support column is smooth;The tooth bar it is flexible, one end of tooth bar is fixed on the upper of support column
End, the tooth bar other end is bypassed from the axle where gear.
Described transition apparatus is located at the upper surface of hypomere, and transition apparatus includes support bar and roller;Described support bar
Vertical to place, support bar has certain hardness;Described roller is arranged on support bar top, and roller is located at immediately below gear,
It is pressed at the top of the roller on tooth bar so that tooth bar can be moved on roller.
Described gear is fixed between epimere and hypomere, and gear is engaged with removable carry-over bar.
Described flywheel is arranged between epimere and hypomere, and flywheel the center of circle and gear the center of circle on the same axis, fly
Wheel is fixedly connected with gear, and because the quality of flywheel is very big, the rotation of flywheel can buffer a part of impulsive force.
Described clockwork spring is arranged between epimere and hypomere, and clockwork spring the center of circle and gear the center of circle on the same axis, hair
Bar is connected with the axle where gear, when dead bolt is moved to the left, and clockwork spring can provide power so that device returns to home position.
A rotary shaft is provided with the middle part of described reset card, the whole card that resets can occur to turn around rotary shaft
It is dynamic, reset card and be located between sealing section and gear, resetting card includes latch piece, isolation and butt strip;Described latch dress
Setting in the right side of rotary shaft, and the downward-sloping certain angle of latch piece, it can be inserted on tooth bar, prevent tooth bar from continuing to move
It is dynamic;Described isolation is U-shaped, and isolation is located on the left of rotary shaft, and the bottom most position of isolation is between sealing section and tooth bar;
Described butt strip is located on the left of isolation, and butt strip rides over the raised upper surface of sealing section bottom right.
Described elastic card be placed on sealing section right side, elastic card one end with sealing section be connected, its other end and
Butt strip upper surface is pressed in, due to the effect of elasticity, when dead bolt is moved to the left, butt strip can be pressed onto sealing section bottom by elastic card
On the raised surface on right side, latch piece is rotated up tooth bar and is moved to the left, and returns to initial position.
It is preferred that, described flywheel is formed by stacking by multi-layer thin steel plate.
The beneficial effects of the invention are as follows:
(1) present invention utilizes the characteristics of flywheel inertia is big, slows down the speed of dead bolt, is buffered the impulsive force of dead bolt,
Weaken the noise for clashing and producing inside lock body;Other clockwork spring resistance in rotation process constantly increases, and dead bolt impacts
Power is gradually reduced, and now flywheel is understood due to inertia and together be rotated further drive clockwork spring with dead bolt, until dead bolt is fully-inserted;Also
The damage parts problem brought due to clashing can be effectively reduced, extends the service life of lock;
(2) present invention is as optional accessory, and user can decide whether to install according to oneself demand, because the present apparatus does not have
Have and carry out binding design with door lock, space only also need to be dug out on the inside of prerotation vane when using to install, therefore the present apparatus can be fitted
Most door locks are answered, all kinds of locksets of in the market can be coordinated to use;
Brief description of the drawings
The present invention is further described with reference to the accompanying drawings and examples.
Fig. 1 is in the view of the moment present invention of closing the door;
Fig. 2 is the enlarged drawing of part A in Fig. 1;
In figure:Shell (1), dead bolt (2), transition apparatus (3), removable carry-over bar (4) gear (5), flywheel (6), clockwork spring
(7), reset card (8), elastic card (9), epimere (11), stage casing (12), sealing section (13) hypomere (14), support bar (31),
Roller (32), support column (41), tooth bar (42), latch piece (81), isolation (82), butt strip (83).
Embodiment
In order that technological means, creation characteristic, reached purpose and effect that the present invention is realized are easy to understand, tie below
Embodiment is closed, the present invention is expanded on further.
As shown in Figure 1, Figure 2, a kind of silencing apparatus for antitheft door of the present embodiment, including shell 1, dead bolt 2, transition apparatus
3rd, removable carry-over bar 4, gear 5, flywheel 6, clockwork spring 7, reset card 8 and elastic card 9;Described shell 1 is in 90 degree of upset
Half sealing " u "-shaped, the " u "-shaped shell 1 is divided into epimere 11, stage casing 12, sealing section 13 and hypomere 14, described envelope from top to bottom
Mouth section 13 is located at below the left side of epimere 11, and the bottom surface for sealing section 13 is smooth, and the bottom right of sealing section 13 is provided with one
There is a ledge ledge, the left side top of described hypomere 14.
The upper surface of the dead bolt 2 is contacted with sealing the lower surface of section 13 so that when dead bolt 2 is moved to isolation 82,
Isolation 82 is moved up, due to the presence of rotary shaft, latch piece 81 can be rotated down, prevent removable carry-over bar 4 from continuing to move
It is dynamic.
The removable carry-over bar 4 is located between epimere 11 and hypomere 14, and the left side of removable carry-over bar 4 is contacted with dead bolt 2, can
Mobile rack 4 includes support column 41 and tooth bar 42;Described support column 41 is into cuboid, positioned at the left side of removable carry-over bar 4, branch
Dagger 41 is placed on the upper surface of hypomere 14 vertically, and the bottom surface of support column 41 is smooth;The tooth bar 42 is flexible, tooth bar 42
One end be fixed on the upper end of support column 41, the axle where the other end of tooth bar 42 from gear 5 and bypass.
Described transition apparatus 3 is located at the upper surface of hypomere 14, and transition apparatus 3 includes support bar 31 and roller 32;It is described
Support bar 31 place vertically, support bar 31 has certain hardness;Described roller 32 is arranged on the top of support bar 31, and roller
32 are located at immediately below gear 5, and the top of roller 32 is pressed on tooth bar 42 so that tooth bar 42 can be moved on roller 32.
Described gear 5 is fixed between epimere 11 and hypomere 14, and gear 5 is engaged with removable carry-over bar 4.
Described flywheel 6 is arranged between epimere 11 and hypomere 14, and the center of circle of flywheel 6 and the center of circle of gear 5 are same
On axle, flywheel 6 is fixedly connected with gear 5, and because the quality of flywheel 6 is very big, the rotation of flywheel 6 can buffer a part of impulsive force.
Described clockwork spring 7 is arranged between epimere 11 and hypomere 14, and the center of circle of clockwork spring 7 and the center of circle of gear 5 are same
On axle, clockwork spring 7 is connected with the axle where gear 5, and when dead bolt 2 is moved to the left, clockwork spring 7 can provide power so that device is returned to
Home position.
The described middle part of reset card 8 is provided with a rotary shaft, and the whole card 8 that resets can occur to turn around rotary shaft
It is dynamic, reset card 8 and be located between sealing section 13 and gear 5, resetting card 8 includes latch piece 81, isolation 82 and butt strip 83;Institute
The latch device 81 stated is located at the right side of rotary shaft, and the downward-sloping certain angle of latch piece 81, can be inserted on tooth bar 42,
Tooth bar 42 is prevented to continue to move to;Described isolation 82 is U-shaped, and isolation 82 is located on the left of rotary shaft, the most bottom of isolation 82
Portion is located between sealing section 13 and tooth bar 42;Described butt strip 83 is located at the left side of isolation 82, and butt strip 83 rides over sealing section 13 bottom
Raised upper surface on the right side of portion.
Described elastic card 9 is placed on the right side of sealing section 13, and the one end of elastic card 9 is connected with sealing section 13, and its is another
One end is with being pressed in butt strip upper surface, due to the effect of elasticity, when dead bolt 2 is moved to the left, and butt strip 83 can be pressed onto by elastic card 9
On the raised surface for sealing the bottom right of section 13, latch piece 81 is rotated up tooth bar 42 and is moved to the left, and returns to initial position.
The present apparatus is installed on doorframe by a kind of silencing apparatus for antitheft door in the present embodiment first when in use
Prerotation vane on the inside of, at closing time due to lock core internal mechanism thrust cause dead bolt 2 obtain an instant impact so that dead bolt 2
Contacted with tooth bar 42, therefore tooth bar 42 can be promoted to move, because tooth bar 42 and gear 5 mesh together, tooth bar 42 can drive tooth
Wheel 5 is rotated, and the center of circle of gear 5 and flywheel 6 is on same axis, and because the mass of flywheel 6 is big, inertia is big, can slow down turning for gear 5
Speed is moved, therefore the impulsive force of 2 dead bolts can also be buffered;
When tooth bar 42 will be forced into bottom, the impulsive force of dead bolt 2 reduces, and resistance is larger after corresponding clockwork spring 7 is rotated, and hinders
Tooth bar 42 is moved, and now flywheel 6 continues to rotate because inertia is larger so that clockwork spring 7 is rotated further;
When tooth bar 42 is pressed onto bottom, the upper surface of dead bolt 2 contacts with the bottom of isolation 82 and up pushes away it just, due to thick stick
Bar is acted on, and latch piece 81 can rotate down the groove of insertion tooth bar 42 and block tooth bar 42, prevent tooth bar 42 in the work of clockwork spring 7
Moved to left under;During unlocking, dead bolt 2 is retracted, due to the thrust of elastic card 9, and latch piece 81 can return to initial position, tooth bar 42
Groove is released, under the active force of clockwork spring 7, and tooth bar 42 can return to home position.
The basic principles, principal features and advantages of the present invention have been shown and described above.The technical staff of the industry should
Understand, the present invention is not limited to the above embodiments, the simply explanation present invention of the description in above-mentioned embodiment and specification
Principle, without departing from the spirit and scope of the present invention, various changes and modifications of the present invention are possible, these change and
Improvement is both fallen within the scope of protection of present invention.The claimed scope of the invention is by appending claims and its equivalent
Thing is defined.