CN203654895U

CN203654895U - Keyhole protective device comprising cam and dial disk

Info

Publication number: CN203654895U
Application number: CN201320712690.4U
Authority: CN
Inventors: 颜群
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-08
Filing date: 2013-11-08
Publication date: 2014-06-18
Anticipated expiration: 2023-11-08

Abstract

The utility model discloses a keyhole protective device comprising a cam and a dial disk. The keyhole protective device comprises a rotating shaft, the cam, the dial disk and a keyhole baffle, wherein a dial handle is arranged at the outer end of the rotating shaft; the dial disk comprises a password groove and a disk force bearing point; a baffle rod is arranged on the keyhole baffle; a force applying point which can act on the disk force bearing point and can enable the dial disk to rotate is arranged outside the rotating shaft; the dial disk is arranged outside the rotating shaft; the keyhole protective device is characterized in that the cam which can rotate along with the rotating shaft is arranged on the rotating shaft; the outer edge of the cam can push the baffle rod so as to enable the keyhole baffle to close a lock head keyhole; the concave area of the cam can allow the baffle rod to enter the password groove, so that the keyhole baffle can open the lock head keyhole. The keyhole protective device comprising the cam and the dial disk has a better anti-listening function, and also has the function of rotating the handle and closing the lock head keyhole. The utility model also discloses the lock head keyhole which can be opened by the keyhole baffle when a password is dialed correctly. The keyhole protective device comprising the cam and the dial disk can be widely applied to the field, such as anti-theft doors, strongboxes, containers, decorative doors, valves for oil and gas fields and the like, with the locks which are required to be protected.

Description

The keyhole protector that contains cam and dial

Technical field

The present invention relates to the protector of a kind of keyhole of lock in lockset application, that is: contain the keyhole protector of cam and dial.

Background technology

The existing keyhole protector for mechanical lock head is the simple technology of safety cabinet mechanical cipher dial in the past that adopts, in the time that dialing is correct, lever can enter the password groove in dial, makes keyhole baffle plate produce displacement, keyhole of lock is exposed, and now can insert key unlocking.This keyhole protector, can use external force and illegally promote lever and contact with dial, realizes the intercepting of password, and can only play and play some protective actions children's destruction, and robber is easy to tapered end to implement technical opening or violence damage is opened; This keyhole protector does not have in the time that password is upset yet, and keyhole baffle plate can be with the function of the rotation self-closed keyhole of lock of dialing handle.

Summary of the invention

The present invention can overcome above-mentioned shortcoming, provides a kind of and can prevent that external force from illegally promoting the keyhole protector of the preventing interception that lever contacts with dial; In addition, the present invention also has, and in the time that password is upset, keyhole baffle plate can move from the direction of trend Sealed lock head keyhole with the rotation of dialing handle, realizes the function of sealing keyhole of lock.Of the present invention further, except having above-described function, also have in the time that cipher dialing is entirely true, and keyhole baffle plate energy automatic displacement is opened the function of keyhole of lock automatically.The present invention can be widely used in the field of the required protection of lockset such as security door, safety cabinet, container, decoration door, oil gas field valve, traffic lock.

For achieving the above object, the technical scheme of the keyhole protector that contains cam and dial of the present invention is: comprise rotating shaft, dialing handle, cam, dial, keyhole baffle plate and be located at the lever on keyhole baffle plate, be provided with energy drive shaft 1 in the outer end of rotating shaft and make the dialing handle of 360 deg circular-rotation, be provided with the dial that can rotate with rotating shaft in the outside of rotating shaft, be provided with the password groove that can allow lever enter in the outer rim of dial, lever and keyhole baffle plate are the one mutually linking, also be provided with the pulling point that can drive dial to rotate in the outside of rotating shaft, in the dial corresponding with pulling point one side, being provided with can be by pulling point effect the dish stress point that can make dial rotate with rotating shaft, it is characterized in that: in rotating shaft, be provided with the cam that can together rotate with rotating shaft, the outer rim of cam can promote lever, make keyhole baffle plate sealing keyhole of lock, the depressed area of cam can allow lever enter password groove, make keyhole baffle plate 4 open keyhole of lock.

Be provided with the jube that can help dial to do stable operation and location in the outside of described dial.

On described keyhole baffle plate, be provided with push button, on the panel corresponding with push button, be provided with and can allow the push button of the normal work of push button slide mouth.

Be provided with and can allow it make the unlatching spring of automatically opening in a side of described keyhole baffle plate.

Described pulling point is arranged on the cam that is positioned at rotating shaft outside.

A side at the dial of described dish stress point offside is provided with the second dial, in the outer rim of the second dial, be provided with the second password groove that can allow groove guide rod enter, on the dial of dish stress point offside, be provided with the dish point of application that can drive the second dial, on second dial adjacent with the dish point of application, being provided with can be by the second dish stress point of dish point of application effect.

Brief description of the drawings:

Below in conjunction with drawings and Examples, the invention will be further described.

Fig. 1 is that one embodiment of the invention is at keyhole opening one vertical structure schematic diagram.

Fig. 2 is that further embodiment of this invention is at keyhole locking state one vertical structure schematic diagram.

Fig. 3 be the present invention again another embodiment at keyhole opening one vertical structure schematic diagram.

Fig. 4 be the present invention again another embodiment at keyhole opening one vertical structure schematic diagram.

Fig. 5 is the disk structure schematic diagram of a kind of dial in the present invention.

Fig. 6 is the disk structure schematic diagram of another dial in the present invention.

Fig. 7 is the wheel face structural representation of a kind of cam in the present invention.

In figure: 1. rotating shaft, 11. dialing handles, 12. axle pulling points, 13. cannelures, 14. snap ring 15. axle inner sleeves, 17. handle staples, 18. pads, 2. cam, 3. dial, 31. password grooves, 32. dish stress points, the 33. dish point of applications, 30. dish endoporus, 4. keyhole baffle plate, 41. levers, 42. push buttons, 43. open spring, 5. jube, 6. dial shell, 60. shell installing holes, 61. shell staples, 67. jube staples, 7. tapered end, 70. keyhole of locks, 71. tapered end fixators, 710. tapered end installing holes, 711. tapered end staples, the 72. tapered ends office of unblanking, 73. push rods, 74. dottle pins, 8. panel, 80. panel keyholes, sliding mouthful of 81. push buttons, 82. handles turn hole, 87. cards, 9. the second dial, 91. second password grooves, 92. second dish stress points, 90. second dish endoporus.

Detailed description of the invention

Various embodiments of the present invention can be consulted shown in Fig. 1 to Fig. 4, figure comprises rotating shaft 1, dialing handle 11, cam 2, dial 3, keyhole baffle plate 4 and be located at the lever 41 on keyhole baffle plate 4, be provided with energy drive shaft 1 in the outer end of rotating shaft 1 and make the dialing handle 11 of 360 deg circular-rotation, be provided with the dial 3 that can rotate with rotating shaft 1 in the outside of rotating shaft 1, be provided with the password groove 31 that can allow lever 41 enter in the outer rim of dial 3, lever 41 is the one mutually linking with keyhole baffle plate 4, also be provided with the pulling point 12 that can drive dial 3 to rotate in the outside of rotating shaft 1, in the dial corresponding with pulling point 12 3 one sides, be provided with the dish stress point 32 that can be acted on and can make dial 3 rotate with rotating shaft 1 by pulling point 12, in rotating shaft 1, be provided with the cam 2 that can together rotate with rotating shaft 1, the outer rim of cam 2 can promote lever 41, make keyhole baffle plate 4 seal keyhole of lock 70, the depressed area of cam 2 can allow lever 41 enter password groove 31, make keyhole baffle plate 4 open keyhole of lock 70.

In Fig. 1 to Fig. 4, for preventing the friction interference between rotating shaft 1 or cam 2 and dial 3, affect the location of password groove 31 and work reliably, be provided with the dish jube 5 that can help dial 3 to do stable operation and location in the outside of described dial 3.

In order to increase dialing cipher progression, can consult shown in Fig. 1 to Fig. 4, a side at the dial 3 of described dish stress point 32 offsides is provided with the second dial 9, in the outer rim of the second dial 9, be provided with the second password groove 91 that can allow groove guide rod 41 enter, on the dial 3 of dish stress point 32 offsides, be provided with the dish point of application 33 that can drive the second dial 9, in a side of second dial 9 adjacent with the dish point of application 33, be provided with the second dish stress point 92 that can be acted on by the dish point of application 33, the depressed area of described cam 2 can allow lever 41 enter the second password groove 91.

Refer to Fig. 1 to Fig. 4, can adopt the techniques such as existing car, milling, plane, die casting and fabrication techniques to go out as figure shaft 1 and cam 2, cylinder material be can select to be and rotating shaft 1 and cam 2 made, rotating shaft 1 and cam 2 are installed together by technology such as nail, riveting, welderings after can adopting and making respectively moulding again, also can adopt die casting, turnning and milling plane technology that rotating shaft 1 and cam 2 are together made to moulding.Can, by shown in Fig. 1 or Fig. 2 or Fig. 3, described cam 2 be arranged on to the inner of rotating shaft 1; Also can, by shown in Fig. 4, described cam 2 be arranged on to the outer end near rotating shaft 1.Fig. 7 is the wheel face structural representation of a kind of cam in the present invention, and the disk that its outer likeness in form contains a breach in actual applications, for further improving preventing interception function, can set out several breach like groove in the outer rim of cam 2 as required.In actual applications, can be by shown in Fig. 1 to Fig. 4, rotating shaft 1 and dialing handle 11 are arranged to fixing be connected without running clearance, also can be set to as required the connection (figure does not draw) with certain angular space, can be used for like this adopting the mark position on conversion dialing handle 11, realize further raising preventing interception function.

Refer to Fig. 1 to Fig. 4, then at the arranged outside of rotating shaft 1 and the dial 3 of installing with password groove 31 and dish stress point 32.Can consult shown in Fig. 1 and Fig. 5, described dial 3 is arranged on to the end face outside of rotating shaft 1.Also can be by shown in Fig. 2 or Fig. 3 or Fig. 4, and consult Fig. 6, in the card middle position of dial 3, placing endoporus 30 is set, described dial 3 is arranged on to the cylinder periphery of rotating shaft 1 by its dish endoporus 30.

Refer to Fig. 1 to Fig. 4, then can act on dish stress point 32 in the arranged outside of rotating shaft rotating shaft 1 with installation, and the pulling point 12 that can drive dial 3 to rotate.The present invention can, by shown in Fig. 1 or Fig. 3 or Fig. 4, arrange described pulling point 12 and be arranged on the outside of the cam 2 that is positioned at rotating shaft 1 outside.The present invention also can, by shown in Fig. 2, arrange described pulling point 12 and be arranged on the outside of dialing handle 11 the inners that is positioned at rotating shaft 1 outside.Also can directly pulling point 12 be arranged on (figure does not draw) on the outside of rotating shaft 1, if pulling point 12 can useful effects in dish stress point 32.

For preventing the friction interference between rotating shaft 1 or cam 2 and dial 3, affect the location of password groove 31 and work reliably, in the present invention, adopt in the arranged outside of described dial 3 and can help dial 3 to make the dish jube 5 of stable operation and location with installation.Can, by shown in Fig. 1 or Fig. 2 or Fig. 4, described jube 5 be arranged on the inside wall of the dial shell 6 that is positioned at dial 3 outsides.Also can, by shown in Fig. 3, described jube 5 be arranged on the outside of the axle inner sleeve 15 that is positioned at rotating shaft 1 cylinder periphery, and make jube 5 relative with the card outside of dial 3.In Fig. 3 or Fig. 4, in order to make axle inner sleeve 15 also can effectively prevent the location of the frictional influence dial 3 between rotating shaft 1 and dial 3, in use need axle inner sleeve 15 and the installation that interfixes for the Men Tizuo installing, by axle inner sleeve 15 and the honorable plate 8 of door shown in Fig. 3 or with the installation that interfixes of the dial shell 6 shown in Fig. 4, to prevent the rotation of axle inner sleeve 15 with rotating shaft 1, affect the location of dial 3.

Refer to Fig. 1 and Fig. 5, in figure due to dish endoporus not being set in dial 3, for guaranteeing that dial 3 can be with the rotation of dialing handle 11, and can do the operation of coaxial line circumference with rotating shaft 1, when making, the inner side of jube 5 need be arranged to mutually to mate and can make dial 3 and rotating shaft 1 make the annular housing of coaxial running with dial 3.

Refer to Fig. 2, in Fig. 2, for preventing producing and rub between dial 3 and rotating shaft 1, the aperture of the dish endoporus 30 of dial 3 need be arranged to be greater than the diameter of rotating shaft 1, and the inner side of jube 5 is arranged to mutually to mate with dial 3 outsides, and can make dial 3 and rotating shaft 1 make the annular housing of coaxial circumferential running, this annular housing is wanted to guarantee that dial 3 is suspended on that rotating shaft 1 makes dial 3 not and between rotating shaft 1, is produced friction.

In actual applications, if the jube in Fig. 45 is re-established as above described in Fig. 2, make between dial 3 and rotating shaft 1, without frictional influence, can to omit as required the setting of the axle inner sleeve 15 in Fig. 4.

In actual applications, described jube 5 can be arranged to there is closely cooperating of certain friction with dial 3, be conducive to like this location of dial 3.

Refer to Fig. 1 to Fig. 4, can adopt manufacturing technology and the mounting process of the mechanical cipher dialing handle in existing safety cabinet, or mounting process and the technology of the existing keyhole of lock protector with password dial, arrange in the outer end of rotating shaft 1 and dialing handle 11 is installed.Also can adopt shown in Fig. 1 to Fig. 4, arrange in the outer end of rotating shaft 1 and dialing handle 11 is installed.The handle 11 that prevents from dialling comes off, can be by shown in Fig. 1 or Fig. 3 or Fig. 4, and adopt handle staple 17 by the installation that interfixes of rotating shaft 1 and dialing handle 11; Also can be by shown in Fig. 2, between dialing handle 11 and panel 8, arrange and a snap ring 14 is installed, by the installation that interfixes of dialing handle 11 and panel 8, skid between handle 11 for preventing rotating shaft 1 and dialling, can it be arranged to non-circular in cross section of joining place each other.

Can adopt mounting process and the technology of the mechanical cipher dial in existing safety cabinet, or mounting process and the technology of the existing keyhole of lock protector with password dial, the rotating shaft 1 that contains dial 3 and cam 2 is installed on the required utensil of fixing and use.Also can be by shown in Fig. 3, by the installation that interfixes of the rotating shaft that contains dial 3 and cam 21 and the panel 8 of door body.Yet can be by shown in Fig. 1 or Fig. 2 or Fig. 4, by the installation that interfixes of the panel 8 of the rotating shaft that contains dial 3 and cam 21 and door body and dial shell 6, can adopt riveting, welding technology, or adopt as shown in Figure 1, Figure 2, shell staple 61 shown in Fig. 4, dial shell 6 and panel 8 are interfixed.

Refer to Fig. 1 to Fig. 4, can adopt existing fabrication and installation technique and technology with the keyhole baffle plate in the keyhole of lock protector of password dial, make and be provided with the keyhole baffle plate 4 of lever 41 with installing, the arranged outside of the keyhole of lock 70 of tapered end 7 with the keyhole baffle plate 4 that contains lever 41 is installed.As: can adopt and set out the draw-in groove that can allow keyhole baffle plate 4 do normal work in the inner side of panel 8, the keyhole baffle plate 4 that contains lever 41 is slidably embedded in to (figure does not draw) in this draw-in groove; Also can on the keyhole baffle plate 4 that contains guide rod 41, set out the chute that can allow keyhole baffle plate 4 works normally work, arrange in the inner side of panel 8 to install and mate with this chute, and the guide pillar (scheming not draw) that can allow keyhole baffle plate 4 normally work.Unlatching for ease of keyhole baffle plate 4 to keyhole of lock 70, the present invention can be by shown in Fig. 1 to Fig. 4, on described keyhole baffle plate 4, arrange and a push button 42 is installed, push button 42 can be by being arranged to a convex shown in figure, also can be arranged to as required a pit shape, on the panel corresponding with push button 42 8, set out and can allow the push button of push button 42 normal work slide mouth 81 simultaneously.In order to realize in the time that dialing is correct, keyhole baffle plate 4 can be opened automatically, the present invention can be by shown in Fig. 3 or Fig. 4, a side setting at described keyhole baffle plate 4 can allow it make the unlatching spring 43 of automatically opening with installation, unlatching spring 43 shown in figure is arranged on the bottom of keyhole baffle plate 4, in practical application, can be arranged on as required the both sides of keyhole baffle plate 4, as long as can guarantee that keyhole baffle plate 4 can normally work.Open spring 43 and push button 42 and can adopt as required choose one or the other of these two setting or setting jointly.

For increasing dialing cipher progression, refer to shown in Fig. 1 to Fig. 4, can be by making and the mounting method of the password dial 3 in institute's diagram, the card arranged outside of the dial 3 of described dish stress point 32 offsides with the second dial 9 is installed, in the outer rim of the second dial 9, set out the second password groove 91 that can allow groove guide rod 41 enter, on the dial 3 of dish stress point 32 offsides, set out the dish point of application 33 that can drive the second dial 9, in a side of second dial 9 adjacent with the dish point of application 33, set out the second dish stress point 92 that can be acted on by the dish point of application 33.Described cam 2 is arranged to its depressed area also can allow lever 41 enter the second password groove 91.By the as mentioned above setting for dial 3, described jube 5 is arranged to prevent the friction interference between rotating shaft 1 or cam 2 or dial 3 and the second dial 9 again, does not affect the location of password groove 91, guarantee that they can work reliably.

In order to make the protruding outer rim of cam 2 can effectively intercept dial 3, the second dial 9 contacts with guide rod 41, play preventing interception effect, can adopt as shown in Fig. 1 to Fig. 7, the wheel face diameter of described cam 2 is arranged to be greater than to the card diameter of dial 3, the second dial 9; Also described guide rod 41 can be arranged to steppedly, make distance between protruding outer rim and the guide rod 41 of cam 2 be less than the minimum range (figure does not draw) between outer rim and the guide rod 41 of dial 3, the second dial 9.

Can adopt existing tapered end mounting process and technology to install and use tapered end 7.Also can be by tapered end 7 is installed shown in Fig. 1 to Fig. 4, in figure, adopt tapered end fixator 71 and tapered end staple 711 or rivet welding technology by the installation that interfixes of tapered end 7 and panel 8, and on the panel corresponding with keyhole of lock 70 8, set out and can allow the panel keyhole 80 of key insertion.Tapered end 7 described in the present invention comprises the lock core motionless tapered end that is fixed, that is: in adopting, pressing spring drives the sliding part that is located at lock core outside to realize the tapered end that tapered end is opened, and also comprises and adopts key turns or pushing lock cylinder to realize the tapered end of unblanking.Tapered end shown in Fig. 1 to Fig. 4 office 72 of unblanking refers to be located at and in tapered end, can be used for directly or indirectly driving the dead bolt or the lock pin that are employed in lock body; Or refer to be located in tapered end and can start the parts that handle for opening door realization is opened dead bolt.Push rod 73 shown in Fig. 4 refers to the column on the sliding part being located in the fixed tapered end of lock core, and this column physical efficiency is accepted external force and promoted or trigger sliding part in tapered end in locking or opening.Push rod 73 also can, as required for the tapered end 7 of Fig. 1 to Fig. 3, also can be cancelled from the tapered end of Fig. 47, specifically can be determined by the function of required tapered end and classification and actual needs.

When use, can dial by the operating procedure of the mechanical cipher dial of existing safety cabinet, is the dial that contains secondary password as shown in figure of the present invention, its dialing step is: the first direction to a certain setting, as rotated 11 liang, handle of dialing to right more than circle, the a certain scale mark that makes to dial on handle 11 is just gone to and is aimed at and is located at telltale mark on panel 8, in the rotation process of dialing handle 11, axle pulling point 12 acts on dish stress point 32 1 sides, make and then rotation of dial 3, making to be located at the dish point of application 33 on dial 3 acts on and is located at the dish of second on the second dial 9 stress point 92 again, make the second password groove 91 of the second dial 9 completely mutually corresponding with lever 41, now again to more than anticlockwise (revolution) dialing handle 11 1 circles, another scale mark that makes to dial on handle 11 is aimed at the anchor point on panel 8, act on the opposite side of dish stress point 32 at the rotary course axis pulling point 12 of dialing handle 11, make dial 3 and then be inverted to password groove 31 completely mutually corresponding with lever 41.The handle 11 that now dials can be with moving cam 2 to turn round (right-hand rotation) 180 degree to being less than 360 deg again, and can not affect the location of password groove 31, can, by the agreement dialing handle 11 that turns right, make the depressed area of cam 2 corresponding with lever 41; Now can promote push button 42 or open under the effect of spring 43, lever 41 enters password groove 31 and the second password groove 91 and cam 2 depressed areas by setting, drive 4 displacements of keyhole baffle plate, realize the unlatching to keyhole of lock 70, now can insert key and realize tapered end and the needed concrete operations of lock body.While needing sealing keyhole of lock 70, can be first by the required key of extracting of the state of tapered end 7, again to more than either direction rotary dialing handle 11 1 circles, now under the effect of cam 2 outer rims, guide rod 41 is pushed out password groove 31 and the second password groove 91, in dialing handle 11 rotary courses, dial 3, the second dial 9 are also followed rotation, make guide rod 41 and password groove 31, the second password groove 91 produce dystopy, intercept the unlatching of keyhole baffle plate 4 to keyhole of lock 70, realized the sealing to keyhole of lock 70.

Above embodiment is not to design of the present invention and the explanation of being construed as limiting property of application.It is 201320205777.2,201310142802.1 that the present invention can be used for the patent No., in the concrete application that patent name is " handle for opening door that contains cam ".It is 201320365655.X, 201310253627.3 that the present invention also can be used for number of patent application, and patent name is in the concrete application of " with the handle for opening door of dial and cam ".

Claims

1. contain the keyhole protector of cam and dial, comprise rotating shaft (1), dialing handle (11), cam (2), dial (3), keyhole baffle plate (4) and be located at the lever (41) on keyhole baffle plate (4), be provided with energy drive shaft (1) in the outer end of rotating shaft (1) and make the dialing handle (11) of 360 deg circular-rotation, be provided with the dial (3) that can rotate with rotating shaft (1) in the outside of rotating shaft (1), be provided with the password groove (31) that can allow lever (41) enter in the outer rim of dial (3), lever (41) is the one mutually linking with keyhole baffle plate (4), also be provided with the pulling point (12) that can drive dial (3) to rotate in the outside of rotating shaft (1), in the dial corresponding with pulling point (12) (3) one sides, being provided with can be by pulling point (12) effect the dish stress point (32) that can make dial (3) rotate with rotating shaft (1), it is characterized in that: in rotating shaft (1), be provided with the cam (2) that can together rotate with rotating shaft (1), the outer rim of cam (2) can promote lever (41), make keyhole baffle plate (4) sealing keyhole of lock (70), the depressed area of cam (2) can allow lever (41) enter password groove (31), make keyhole baffle plate (4) open keyhole of lock (70).

2. the keyhole protector that contains cam and dial as claimed in claim 1, is characterized in that: be provided with the dish jube (5) that can help dial (3) to do stable operation and location in the outside of described dialer (3).

3. the keyhole protector that contains cam and dial as claimed in claim 1 or 2, it is characterized in that: the side at the dial (3) of described dish stress point (32) offside is provided with the second dial (9), in the outer rim of the second dial (9), be provided with the second password groove (91) that can allow groove guide rod (41) enter, on the dial (3) of dish stress point (32) offside, be provided with the dish point of application (33) that can drive the second dial (9), in a side of second dial (9) adjacent with the dish point of application (33), being provided with can be by the second dish stress point (92) of the dish point of application (33) effect.

4. the keyhole protector that contains cam and dial as claimed in claim 1 or 2, is characterized in that: be provided with and can allow it make the unlatching spring (43) of automatically opening in a side of described keyhole baffle plate (4).

5. the keyhole protector that contains cam and dial as claimed in claim 1 or 2, it is characterized in that: on described keyhole baffle plate (4), be provided with push button (42), on the panel (8) corresponding with push button (42), be provided with and can allow the push button of the normal work of push button (42) slide mouthful (81).

6. the keyhole protector that contains cam and dial as claimed in claim 1 or 2, is characterized in that: described pulling point (12) is arranged on the cam (2) that is positioned at rotating shaft (1) outside.