CN202544558U

CN202544558U - Lock body provided with spring bolt capable of rotating freely

Info

Publication number: CN202544558U
Application number: CN2012201065175U
Authority: CN
Inventors: 贾君鑫
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-20
Filing date: 2012-03-20
Publication date: 2012-11-21
Anticipated expiration: 2022-03-20

Abstract

The utility model relates to a lock body provided with a spring bolt capable of rotating freely. Cylindrical tongues of existing locks are fixedly connected to a spring bolt plate. The lock body provided with the spring bolt capable of rotating freely comprises a shell body and a main spring bolt capable of extending out of and contracting into the shell body, the main spring bolt is controlled by a lock core, and the lock core is connected to the shell body in a splicing mode. The main spring bolt comprises a cylindrical tongue and a spring bolt plate, wherein the end portion of the cylindrical tongue is provided with annular grooves, and the spring bolt plate is connected with the cylindrical tongue. The spring bolt plate comprises an upper spring bolt plate and a lower spring bolt plate which are symmetrical and are mutually overlaid, one sides of the upper symmetrical and the lower symmetrical are both provided with folded edges, and the edges are respectively provided with groove holes matched with the annular grooves. The cylindrical tongue is rotatably clamped between the groove holes of the upper spring bolt plate and the lower spring bolt plate through the annular grooves, and the upper spring bolt plate and the lower spring bolt plate are combined and overlaid, thereby enabling the cylindrical tongue to be rotatably connected to the spring bolt plates, reducing damages caused by frictional force between the surface of the cylindrical tongue and saws, and effectively achieving a sawing resistant effect.

Description

The lock body that a kind of dead bolt is free to rotate

Technical field

The utility model relates to a kind of lockset, is specifically related to a kind of dead bolt lock body free to rotate.

Background technology

In the prior art, the lock body that comprises cylinder tongue structure is various in style, and extensively applies to daily life.In these structures; The cylinder tongue is fixed in bolt plate one side and forms main dead bolt; And bolt plate is connected through transmission mechanism with lock core, and lock core is installed near the bolt plate and through the hold-down screw location, hold-down screw one end is connected with the dead bolt work plane of housing one side; The other end is connected with lock core; Realize during key in rotation is inserted in lock core that the cylinder tongue unblanks and block action, tiltedly dead bolt is realized unblanking and the blocking conversion through handle transmission mechanism independently, and does not disturb mutually with the transmission mechanism of main dead bolt.There is following defective in this structure: 1, when the cylinder tongue receives the saw cutting; Because cylinder tongue and bolt plate are affixed; The cylinder tongue can not effectively slow down and offset the tangential forces that its surface produces with the saw friction; Make saw work plane and dead bolt surface the dead bolt surface sustained damage because of there being bigger frictional force, even fracture, the anti-saw ability of lock body is relatively poor; 2, the transmission mechanism of main dead bolt and oblique dead bolt is separate; Unblank or blocking no matter main dead bolt is in, oblique dead bolt can both be realized opening through swing handle, and the door body is clashed into when being in unlocking condition as if oblique dead bolt; Consequent impact will all act on the main dead bolt; Be prone to make the distortion of cylinder tongue, even bending, cause the anti-collision ability of a body relatively poor; 3, lock core is installed near the bolt plate and through hold-down screw and locatees; The size of bolt plate receives the restriction of hold-down screw installation site; Thereby influence the quantity that bolt plate one side is provided with the lock point, and then limited the lifting of lock body pick-proof ability, influence lock body general safety performance.

The utility model content

In order to solve the deficiency of prior art; The utility model provides a kind of main dead bolt can rotate to alleviate the lock body of saw cutting damage, further provides a kind of main dead bolt and oblique dead bolt to cooperatively interact and splits to increase the bolt plate size and can increase a lock body of locking through hold-down screw and lock core.

The utility model is realized in the following manner: the lock body that a kind of dead bolt is free to rotate; Comprise housing, can in housing, stretch out the main dead bolt of retraction; Main dead bolt is controlled by lock core, and said lock core is planted and is connected on the housing, and said main dead bolt comprises the cylinder tongue of end band groove and the bolt plate that is connected with the cylinder tongue; Said bolt plate comprises symmetry and stacked each other lock hyoplastron and following bolt plate; A said side of locking hyoplastron and following bolt plate is equipped with flanging, all has the slotted eye that matees with said annular groove on the said flanging, and said cylinder tongue is placed in said locking between hyoplastron and following bolt plate slotted eye rotationally through annular groove.Hyoplastron merges stacked with following bolt plate through locking; The edge of slotted eye is embedded in the annular groove of cylinder tongue, the cylinder tongue is rotatably connected on the bolt plate, guarantee the bonding strength between cylinder tongue and bolt plate again; Make the cylinder tongue normally flexible; When the cylinder tongue surface received the infringement of saw reciprocating friction, rotating cylinder tongue can effectively be offset saw in its surperficial tangential forces, and the cylinder tongue is rotated with power along with the motion of saw together; Reduce the cylinder tongue surface because of the infringement that the frictional force between itself and saw causes, effectively play anti-saw effect.

As preferably; Said housing is provided with the oblique dead bolt that is arranged in juxtaposition with main dead bolt, is connected with a rotating handle shift fork on the housing, and said handle shift fork drives oblique dead bolt through a Control Component and moves; Said Control Component comprises a swinging plate and a control panel; Said swinging plate middle part is rotatably connected on the housing, and one of which end overlap joint is on said oblique tongue switching working position, and the other end has a groove bar; Said control panel one end is rotatably connected on the said bolt plate; The other end is embedded in the said groove bar through a trundle slidably, changes the bonding relation between control panel and handle shift fork through the slip of said trundle in chute, is equipped with a shift fork torsion spring on the said handle shift fork.Control panel one end is action together along with moving of bolt plate; And the trundle that drives the other end slides in chute; And have only and when trundle is in the transmission working position of chute one end, could realize handle shift fork and trundle overlap joint and drive skew bolt lock through swinging plate opening, the handle shift fork receives the effect of shift fork torsion spring and is in closed working position all the time, makes skew bolt lock be in closed condition all the time; In addition; Through regulating the relative position between main dead bolt and oblique dead bolt, can make oblique dead bolt at first stressed when the door body is impacted, play the main dead bolt effect of protection.

As preferably; Said oblique dead bolt one side is provided with a positioning key; Said positioning key middle part is connected on the housing; And its first end passes an oblique tongue spring and is inserted in the hole on the said oblique dead bolt sidewall, and said oblique tongue spring one end is conflicted in the positioning key central protrusion, and the other end is conflicted on the sidewall of oblique dead bolt.The positioning key that is connected on the housing is that oblique tongue spring provides support; First end through positioning key is inserted in the hole of oblique dead bolt sidewall; Telescopic spring is played location and guide effect, and guarantee that oblique dead bolt is in blocking all the time when not driven by swinging plate external force.

As preferably; Said lock core is located by a hold-down screw; Said hold-down screw and lock core lay respectively at said oblique dead bolt both sides; Said hold-down screw one end passes the hole of being located at housing sidewall and is screwed onto on the fixed support, and said fixed support strides across oblique dead bolt and is inserted in the fixing hole be located on the lock core through an alignment pin.Hold-down screw one end is connected with housing dead bolt work sidewall; And be connected with lock core through fixed support; Form big remaining space between hold-down screw and lock core thus; The width of bolt plate flanging is increased, and then corresponding quantity of setting up the cylinder tongue, lock body pick-proof, anti-saw ability improved through increasing the lock point.

As preferably, said slotted eye semicircular in shape, and for several and be equally spaced on said flanging, said annular groove width is greater than flanging thickness, and said slotted eye diameter is both less than cylinder tongue diameter, again greater than the annular groove internal diameter.Lock hyoplastron and following stacked connection of bolt plate; Make corresponding semi-circular groove hole form the circular opening that is equally spaced; Be used to be socketed in the annular groove of cylinder tongue, the slotted eye diameter makes the annular groove bottom leave the gap with the slotted eye edge greater than the internal diameter of annular groove bottom; Make things convenient for the cylinder tongue to rotate, play anti-saw effect; The slotted eye diameter is less than cylinder tongue diameter; The grooved ring edge is embedded between the annular groove two side walls; Guarantee the bonding strength between cylinder tongue and bolt plate, play the pick-proof effect, the cylinder tongue is equally spaced on flanging; Make each cylinder tongue periphery that the flanging of certain area all arranged, guarantee the bonding strength between cylinder tongue and bolt plate.

As preferably; Said fixed support front end side wall has a locating slot; Second end of said positioning key passes a stand spring and is plugged in the said locating slot, and said stand spring one end is conflicted in the positioning key central protrusion, and the other end is conflicted on the sidewall of said locating slot notch both sides; Support bracket fastened rear end has a gathering sill, and the guide finger that is fixed on the housing is inserted in the said gathering sill.The fixed support front end is set in location and guiding in the locating slot through positioning key second end; The fixed support rear end is inserted in location and guiding in the gathering sill through guide finger; Realize that fixed support moves by preset path; The positioning key central protrusion plays location and supporting role to stand spring, and guarantees rate of tension and adjusting sensitivity between fixed support and hold-down screw, and second end of positioning key is placed through stand spring and effectively avoids stand spring because of stressed situation of twisting.

As preferably, said handle shift fork is provided with a square handgrip jack.The handle of in jack, planting makes things convenient for the swing handle shift fork, and realizes oblique dead bolt switch through swinging plate, and jack is square, and both convenient processing also has transmission effect preferably.

The beneficial effect of the utility model: the cylinder tongue of main dead bolt is rotatably connected on the bolt plate; Both direct affixed modes in the prior art have been changed; Rotating main dead bolt can effectively be offset saw in its surperficial tangential forces when receiving the saw infringement; Reduce the cylinder tongue surface because of the infringement that the frictional force between itself and saw causes, effectively play anti-saw effect; Dead bolt lock point when being in blocking in order to increase lock body also effectively improves the impact ability, on the one hand, tiltedly between dead bolt and main dead bolt Control Component is being set; When main dead bolt was in blocking, tiltedly dead bolt can not opened because of the handle shift fork rotates, and makes oblique dead bolt at first stressed when the door body is impacted; Play the main dead bolt effect of protection, on the other hand, through fixed support is set; Hold-down screw and lock core are split and it forms headspace between the two; And for the bolt plate of large-size provides accommodation space, to reach the purpose that increases cylinder tongue quantity, through increasing pick-proof, the anti-saw ability of lock point reinforcement lockset.

Description of drawings

Fig. 1 is the utility model perspective view;

Fig. 2 is main dead bolt decomposition texture sketch map;

Fig. 3 is main dead bolt and control panel syndeton sketch map;

Fig. 4 is handle shift fork, Control Component and oblique dead bolt decomposition texture sketch map;

Fig. 5 is in the transmission station for trundle and corresponding Control Component perspective structure sketch map when tiltedly dead bolt is in blocking;

Fig. 6 is in the transmission station for trundle and corresponding Control Component perspective structure sketch map when tiltedly dead bolt is in unlocking condition;

Fig. 7 is corresponding Control Component perspective structure sketch map during non-transmission station for trundle is in;

Fig. 8 is hold-down screw, fixed support and lock core syndeton sketch map;

Fig. 9 is hold-down screw, fixed support and lock core syndeton perspective diagram;

Figure 10 is fixed support and lock core syndeton sketch map.

Among the figure: 1, housing, 2, main dead bolt, 3, oblique dead bolt, 4, hold-down screw, 5, lock core, 6, annular groove; 7, cylinder tongue, 8, bolt plate, 81, the hyoplastron of locking, 82, bolt plate down, 9, the handle shift fork, 10, flanging; 11, slotted eye, 12, swinging plate, 13, control panel, 14, the groove bar, 15, trundle, 16, positioning key; 17, oblique tongue spring, 18, fixed support, 19, alignment pin, 20, fixing hole, 21, locating slot; 22, stand spring, 23, gathering sill, 24, guide finger, 25, jack, 26, the shift fork torsion spring.

The specific embodiment

Be further described below in conjunction with Figure of description and the specific embodiment substantive distinguishing features the utility model.

A kind of dead bolt lock body free to rotate as shown in Figure 1; Comprise housing 1, can in housing 1, stretch out the main dead bolt 2 of retraction; Main dead bolt 2 is by lock core 5 controls; Said lock core 5 is planted and is connected on the housing 1; Said main dead bolt 2 comprises the cylinder tongue 7 of end band groove 6 and the bolt plate 8 that is connected with cylinder tongue 7, and said bolt plate 8 comprises symmetry and stacked each other lock hyoplastron 81 and following bolt plate 82 (as shown in Figure 2), and a said side of locking hyoplastron 81 and following bolt plate 82 is equipped with flanging 10; All have the slotted eye 11 with said annular groove 6 couplings on the said flanging 10, said cylinder tongue 7 is placed in said 11 of hyoplastron 81 and following bolt plate 82 slotted eyes of locking rotationally through annular groove 6; Said slotted eye 11 semicirculars in shape, and for several and be equally spaced on said flanging 10, said annular groove 6 width are greater than flanging 10 thickness, said slotted eye 11 diameters are both less than cylinder tongue 7 diameters, again greater than annular groove 6 internal diameters.Slotted eye 11 edges through lock hyoplastron 81 and following bolt plate 82 are with 7 holdings of cylinder tongue; Cylinder tongue 7 is rotatably connected on the bolt plate 8; When dead bolt received saw destruction, cylinder tongue 7 was along with the reciprocal dragsaw action of saw synchronously rotates together, and the counteracting saw is to the tangential forces on cylinder tongue 7 surfaces; Effectively reduce the frictional force between saw and cylinder tongue 7 surfaces, improved the anti-saw ability of cylinder tongue 7.

For anti-saw and the pick-proof ability of strengthening lockset; Mode through increasing lockset lock point realizes: said housing 1 is provided with the oblique dead bolt 3 that is arranged in juxtaposition with main dead bolt 2; Be connected with a rotating handle shift fork 9 on the housing 1; Said handle shift fork 9 drives oblique dead bolt 3 through a Control Component and moves, and said Control Component comprises a swinging plate 12 and a control panel 13 (as shown in Figure 4), and said swinging plate 12 middle parts are rotatably connected on the housing 1; And one of which end overlap joint is stirred on the working position at said oblique dead bolt 3; The other end has a groove bar 14, and said control panel 13 1 ends are rotatably connected on the said bolt plate 8 (as shown in Figure 3), and the other end is embedded in the said groove bar 14 through a trundle 15 slidably; Bonding relation through 9 of said trundle 15 slip in chute changing control panel 13 and handle shift forks is equipped with a shift fork torsion spring 26 on the said handle shift fork 9; Said oblique dead bolt 3 one sides are provided with a positioning key 16; Said positioning key 16 middle parts are connected on the housing 1; And its first end passes an oblique tongue spring 17 and is inserted in the hole on said oblique dead bolt 3 sidewalls; Said oblique tongue spring 17 1 ends are conflicted in positioning key 16 central protrusion, and the other end is conflicted on the sidewall of oblique dead bolt 3; Said handle shift fork 9 is provided with a square handgrip jack 25.

In practical operation, control panel 13 1 ends are rotatably connected on the main dead bolt 2, and control panel 13 can move along with the motion of main dead bolt 2, and drag trundle 15 in chute the position so that control swinging plate 12 and the annexation of 9 of handle shift forks.When main dead bolt 2 is in unlocking condition; The trundle 15 of control panel 13 1 ends is in chute near on the transmission station of handle shift fork 9 one sides (as shown in Figure 5); At this moment; Swing handle can drive handle shift fork 9 and conflict on control panel 13, and acts on swinging plate 12 through trundle 15, opens or close (as shown in Figure 6) through the oblique dead bolt 3 of swing swinging plate 12 controls; When main dead bolt 2 was in blocking, the trundle 15 on the control panel 13 moved together and slides to along with main dead bolt 2 on the non-transmission working position of chute (as shown in Figure 7), and 15 of handle shift fork 9 and trundles are separate; Can not oblique dead bolt 3 be opened through the mode of swing handle; Increased lockset lock point, if this moment, the door body received bigger impact, tiltedly dead bolt 3 is at first stressed; Play main dead bolt 2 effects of protection, effectively improve the lock body safe coefficient.In use, after the power that acts on handle was removed, under the effect of oblique tongue spring 17 and shift fork torsion spring 26, tiltedly tongue returned to blocking (being normality).

Like Fig. 8, shown in 9; Said lock core 5 is by a hold-down screw 4 location; Said hold-down screw 4 lays respectively at said oblique dead bolt 3 both sides with lock core 5; Said hold-down screw 4 one ends pass the hole of being located at housing 1 sidewall and are screwed onto on the fixed support 18, and said fixed support 18 strides across oblique dead bolt 3 and is inserted in the fixing hole 20 be located on the lock core 5 (shown in figure 10) through an alignment pin 19; Said fixed support 18 front end side wall have a locating slot 21; Second end of said positioning key 16 passes a stand spring 22 and is plugged in the said locating slot 21, and said stand spring 22 1 ends are conflicted in positioning key 16 central protrusion, and the other end is conflicted on said locating slot 21 notch both sides sidewalls; The rear end of fixed support 18 has a gathering sill 23; One guide finger 24 that is fixed on the housing 1 is inserted in the said gathering sill 23, utilizes the spacing cooperation of 24 of gathering sill 23 and guide fingers that fixed support 18 is realized guide effects, in actual use; Can set up many group gathering sills 23 and guide finger 24, to obtain better lead limit effect.Hold-down screw 4 and lock core 5 are split, and form a fixed gap between the two.Utilize this gap can suitably increase bolt plate 8 sizes, and increase the number of connection of its flanging 10 1 side cylinder tongues 7, through increasing lock point raising lockset pick-proof and anti-saw ability.

In practical operation, hold-down screw 4 one ends are fixed on housing 1 other sides, all can be embodied as bolt plate 8 headspaces of large-size, and increase cylinder tongue 7 numbers of connection, should be regarded as a kind of specific embodiment of the utility model.

Claims

1. lock body that dead bolt is free to rotate; Comprise housing (1), can in housing (1), stretch out the main dead bolt (2) of retraction; Main dead bolt (2) is controlled by lock core (5); Said lock core (5) is planted and is connected on the housing (1); It is characterized in that said main dead bolt (2) comprises the cylinder tongue (7) of end band groove (6) and the bolt plate (8) that is connected with cylinder tongue (7); Said bolt plate (8) comprises symmetry and mutual stacked hyoplastron of locking (81) and following bolt plate (82); One side of said hyoplastron of locking (81) and following bolt plate (82) is equipped with flanging (10), all has the slotted eye (11) that matees with said annular groove (6) on the said flanging (10), and said cylinder tongue (7) is placed between said hyoplastron of locking (81) and following bolt plate (82) slotted eye (11) through annular groove (6) rotationally.

2. a kind of dead bolt according to claim 1 lock body free to rotate; It is characterized in that said housing (1) is provided with the oblique dead bolt (3) that is arranged in juxtaposition with main dead bolt (2); Be connected with a rotating handle shift fork (9) on the housing (1); Said handle shift fork (9) drives oblique dead bolt (3) through a Control Component and moves, and said Control Component comprises a swinging plate (12) and a control panel (13), and said swinging plate (12) middle part is rotatably connected on the housing (1); And one of which end overlap joint is stirred on the working position at said oblique dead bolt (3); The other end has a groove bar (14), and said control panel (13) one ends are rotatably connected on the said bolt plate (8), and the other end is embedded in the said groove bar (14) through a trundle (15) slidably; Change the bonding relation between control panel (13) and handle shift fork (9) through the slip of said trundle (15) in chute, be equipped with a shift fork torsion spring (26) on the said handle shift fork (9).

3. a kind of dead bolt according to claim 2 lock body free to rotate; It is characterized in that said oblique dead bolt (3) one sides are provided with a positioning key (16); Said positioning key (16) middle part is connected on the housing (1); And its first end passes an oblique tongue spring (17) and is inserted in the hole on said oblique dead bolt (3) sidewall, and said oblique tongue spring (17) one ends are conflicted in positioning key (16) central protrusion, and the other end is conflicted on the sidewall of oblique dead bolt (3).

4. a kind of dead bolt according to claim 3 lock body free to rotate; It is characterized in that said lock core (5) located by a hold-down screw (4); Said hold-down screw (4) and lock core (5) lay respectively at said oblique dead bolt (3) both sides; Said hold-down screw (4) one ends pass the hole of being located at housing (1) sidewall and are screwed onto on the fixed support (18), and said fixed support (18) strides across oblique dead bolt (3) and is inserted in the fixing hole (20) be located on the lock core (5) through an alignment pin (19).

5. a kind of dead bolt according to claim 1 lock body free to rotate; It is characterized in that said slotted eye (11) semicircular in shape; And for several and be equally spaced on said flanging (10); Said annular groove (6) width is greater than flanging (10) thickness, and said slotted eye (11) diameter is both less than cylinder tongue (7) diameter, again greater than annular groove (6) internal diameter.

6. a kind of dead bolt according to claim 4 lock body free to rotate; It is characterized in that said fixed support (18) front end side wall has a locating slot (21); Second end of said positioning key (16) passes a stand spring (22) and is plugged in the said locating slot (21); Said stand spring (22) one ends are conflicted in positioning key (16) central protrusion; The other end is conflicted on the sidewall of said locating slot (21) notch both sides, and the rear end of fixed support (18) has a gathering sill (23), and the guide finger (24) that is fixed on the housing (1) is inserted in the said gathering sill (23).

7. a kind of dead bolt according to claim 2 lock body free to rotate is characterized in that said handle shift fork (9) is provided with a square handgrip jack (25).