CN104631919A

CN104631919A - Key hole protecting device with cam and dial

Info

Publication number: CN104631919A
Application number: CN201310561746.5A
Authority: CN
Inventors: 颜群
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-11-08
Filing date: 2013-11-08
Publication date: 2015-05-20

Abstract

The invention discloses a key hole protecting device with a cam and a dial. The key hole protecting device comprises a rotating shaft with the outer end provided with a dialing handle, the cam, the dial provided with a password groove and a dial force bearing point, and a key hole baffle provided with a blocking rod. A dialing force point capable of acting on the dial force bearing point and enabling the dial to rotate is arranged on the outer side of the rotating shaft, and the dial is arranged on the outer side of the rotating shaft. The key hole protecting 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 blocking rod so that the key hole baffle can seal a cylinder lock hole, a concaved area of the cam allows the blocking rod to enter the password groove, and therefore the key hole baffle can open the cylinder lock hole. The key hole protecting device has the snooping preventing function and further has the function of sealing the cylinder lock hole through rotation of the handle. The key hole protecting device can be widely used in the fields of antitheft doors, safety boxes, containers, decorative doors, oil and gas field valves and other locks needing to be protected.

Description

Keyhole protector containing cam and dial

Technical field

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

Background technology

The existing keyhole protector for mechanical lock head is the simple technology adopting mechanical cipher dial in past safety cabinet, when dialling 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, realize intercepting password, can only play play some protective actions to the destruction of children, and robber is easy to implement technical opening to tapered end or violence damage is opened; This keyhole protector does not have while password is upset yet, and keyhole baffle plate can 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 keyhole protector that can prevent external force from illegally promoting the preventing interception that lever contacts with dial; In addition, the present invention also has, and while 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 closing keyhole of lock.Further of the present invention, except having above-described function, also have when cipher dialing is entirely true, keyhole baffle plate energy automatic displacement, opens the function of keyhole of lock automatically.The present invention can be widely used in the field of the required protection of the locksets such as security door, safety cabinet, container, decoration door, oil gas field valve, traffic lock.

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

The jube that dial can be helped to do stable operation and location is provided with in the outside of described dial.

Described keyhole baffle plate is provided with push button, the panel corresponding with push button is provided with the sliding mouth of the push button that push button can be allowed normally to work.

Be provided with in the side of described keyhole baffle plate and it can be allowed to make the unlatching spring automatically opened.

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

The second dial is provided with in the side of the dial of described dish stress point offside, the outer rim of the second dial is provided with the second password groove that groove guide rod can be allowed to enter, the dial of dish stress point offside is provided with the dish point of application that can drive the second dial, second dial adjacent with the dish point of application is provided with and second can be coiled stress point by what coil point of application effect.

Accompanying drawing illustrates:

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 states 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, 72. tapered ends are unblanked office, 73. push rods, 74. dottle pins, 8. panel, 80. panel keyholes, the sliding mouth 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 the lever 41 be located on keyhole baffle plate 4, the dialing handle 11 that energy drive shaft 1 makes 360 deg circular-rotation is provided with in the outer end of rotating shaft 1, the dial 3 that can rotate with rotating shaft 1 is provided with in the outside of rotating shaft 1, the password groove 31 that lever 41 can be allowed to enter is provided with in the outer rim of dial 3, lever 41 and keyhole baffle plate 4 are the one mutually linked, the pulling point 12 that dial 3 can be driven to rotate also is provided with in the outside of rotating shaft 1, dial 3 side corresponding with pulling point 12 is provided with and can be acted on by pulling point 12 and the dish stress point 32 that dial 3 can be made to rotate with rotating shaft 1, rotating shaft 1 is provided with the cam 2 that together can rotate with rotating shaft 1, the outer rim of cam 2 can promote lever 41, keyhole baffle plate 4 is made to close keyhole of lock 70, the depressed area of cam 2 can allow lever 41 enter password groove 31, keyhole baffle plate 4 is made to open keyhole of lock 70.

In Fig. 1 to Fig. 4, for preventing rotating shaft 1 or the friction between cam 2 and dial 3 from disturbing, affecting location and the work reliably of password groove 31, being provided with the dish jube 5 that dial 3 can be helped 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, the second dial 9 is provided with in the side of the dial 3 of described dish stress point 32 offside, the outer rim of the second dial 9 is provided with the second password groove 91 that groove guide rod 41 can be allowed to enter, the dial 3 of dish stress point 32 offside is provided with the dish point of application 33 that can drive the second dial 9, with the side of adjacent the second dial 9 of the dish point of application 33 on be provided with and second can be coiled stress point 92 by what coil that the point of application 33 acts on, the depressed area of described cam 2 can allow lever 41 enter the second password groove 91.

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

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

Refer to Fig. 1 to Fig. 4, then can act in the arranged outside of rotating shaft rotating shaft 1 and coil stress point 32 with installing, and the pulling point 12 that dial 3 can be driven to rotate.Described pulling point 12 by shown in Fig. 1 or Fig. 3 or Fig. 4, can arrange and be arranged on the outside of the cam 2 be positioned at outside rotating shaft 1 by the present invention.Described pulling point 12 also by shown in Fig. 2, can arrange and be arranged on the outside of dialing handle 11 the inner be positioned at outside rotating shaft 1 by the present invention.Also can directly pulling point 12 be arranged on (figure does not draw) on the outside of rotating shaft 1, as long as the useful effect of pulling point 12 energy is in dish stress point 32.

For preventing rotating shaft 1 or the friction between cam 2 and dial 3 from disturbing, affecting location and the work reliably of password groove 31, have employed in the present invention and dial 3 can be helped in the arranged outside of described dial 3 to make the dish jube 5 of stable operation and location with installation.By shown in Fig. 1 or Fig. 2 or Fig. 4, described jube 5 can be arranged on the inside wall of the dial shell 6 be positioned at outside dial 3.Also by shown in Fig. 3, described jube 5 can be arranged on the outside of the axle inner sleeve 15 being positioned at rotating shaft 1 cylinder periphery, and make jube 5 relative with outside the card of dial 3.In Fig. 3 or Fig. 4, in order to the location making axle inner sleeve 15 also effectively can prevent the frictional influence dial 3 between rotating shaft 1 and dial 3, in use needing interfixes axle inner sleeve 15 with the Men Tizuo being used for installing installs, or axle inner sleeve 15 and the door dignity plate 8 shown in Fig. 3 or interfix with the dial shell 6 shown in Fig. 4 is installed, to prevent axle inner sleeve 15 with the rotation of rotating shaft 1, affect the location of dial 3.

Refer to Fig. 1 and Fig. 5, owing to there is no setting dish endoporus in dial 3 in figure, for guaranteeing that dial 3 can with the rotation of dialing handle 11, and coaxial line circumference can be made with rotating shaft 1 and run, during making, the inner side of jube 5 need be arranged to mutually to mate with dial 3 and dial 3 and rotating shaft 1 can be made to make the coaxial annular housing operated.

Refer to Fig. 2, in fig. 2, rub for preventing from producing between dial 3 and rotating shaft 1, the diameter being greater than rotating shaft 1 need be arranged in the aperture of the dish endoporus 30 of dial 3, and the inner side of jube 5 is arranged to mutually to mate with outside dial 3, and dial 3 can be made to make the annular housing of coaxial circumferential running with rotating shaft 1, this annular housing wants to guarantee that dial 3 is suspended on rotating shaft 1 and does not make dial 3 not and produce between rotating shaft 1 and rub.

In actual applications, if the jube 5 in Fig. 4 is re-established as above described in Fig. 2, make without frictional influence between dial 3 and rotating shaft 1, the setting of the axle inner sleeve 15 in Fig. 4 can be omitted as required.

In actual applications, described jube 5 can be arranged to have with dial 3 closely cooperating of necessarily rubbing, be conducive to the location of dial 3 like this.

Refer to Fig. 1 to Fig. 4, manufacturing technology and the mounting process of the mechanical cipher dialing handle in existing safety cabinet can be adopted, or the mounting process of the existing keyhole of lock protector with password dial and technology, arrange in the outer end of rotating shaft 1 and the handle 11 that dials is installed.Also can adopt shown in Fig. 1 to Fig. 4, arrange in the outer end of rotating shaft 1 and the handle 11 that dials is installed.Prevent dialing handle 11 from coming off, by shown in Fig. 1 or Fig. 3 or Fig. 4, handle staple 17 can be adopted rotating shaft 1 to be interfixed with dialing handle 11 and install; Also can by shown in Fig. 2, arrange between dialing handle 11 and panel 8 and a snap ring 14 is installed, dialing handle 11 and panel 8 being interfixed and installs, for preventing skidding between rotating shaft 1 and dialing handle 11, can the cross section at its place engaging one another is arranged to non-circular.

Mounting process and the technology of the mechanical cipher dial in existing safety cabinet can be adopted, or the mounting process of the existing keyhole of lock protector with password dial and technology, the rotating shaft 1 containing dial 3 and cam 2 is installed on the required fixing and utensil that uses.Also by shown in Fig. 3, the rotating shaft 1 containing dial 3 and cam 2 can be interfixed with the panel 8 of door body and installs.Yet can by shown in Fig. 1 or Fig. 2 or Fig. 4, the panel 8 of the rotating shaft 1 containing dial 3 and cam 2 and door body and dial shell 6 are interfixed and installs, riveting, welding technology can be adopted, 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, the existing fabrication and installation technique with the keyhole baffle plate in the keyhole of lock protector of password dial and technology can be adopted, manufacture and installation is provided with the keyhole baffle plate 4 of lever 41, at arranged outside and the keyhole baffle plate 4 installed containing lever 41 of the keyhole of lock 70 of tapered end 7.As: the draw-in groove setting out in the inner side of panel 8 and keyhole baffle plate 4 can be allowed to do normal work can be adopted, the keyhole baffle plate 4 containing lever 41 is slidably embedded in (figure does not draw) in this draw-in groove; Also can set out the chute that keyhole baffle plate 4 can be allowed to do normal work on the keyhole baffle plate 4 containing guide rod 41, arrange in the inner side of panel 8 to install and mate with this chute, and the guide pillar that keyhole baffle plate 4 can be allowed normally to work (figure does not draw).For ease of the unlatching of keyhole baffle plate 4 pairs of keyhole of locks 70, the present invention can by shown in Fig. 1 to Fig. 4, described keyhole baffle plate 4 is arranged and a push button 42 is installed, push button 42 can by being arranged to a convex shown in figure, also can be arranged to a pit shape as required, on the panel 8 corresponding with push button 42, set out the sliding mouth 81 of the push button that push button 42 can be allowed normally to work simultaneously.In order to realize when dialling correct, keyhole baffle plate 4 can be opened automatically, the present invention can by shown in Fig. 3 or Fig. 4, arrange in the side of described keyhole baffle plate 4 and it can be allowed to make the unlatching spring 43 automatically opened with installation, unlatching spring 43 shown in figure is arranged on the bottom of keyhole baffle plate 4, the both sides of keyhole baffle plate 4 can be arranged on as required, as long as can guarantee that keyhole baffle plate 4 can normally work in practical application.Unlatching spring 43 and push button 42 can adopt as required to choose one or the other of these two and arrange or jointly arrange.

For increasing dialing cipher progression, refer to shown in Fig. 1 to Fig. 4, can by the manufacture and installation method of the password dial 3 in institute's diagram, at card arranged outside and installation second dial 9 of the dial 3 of described dish stress point 32 offside, the outer rim of the second dial 9 sets out the second password groove 91 that groove guide rod 41 can be allowed to enter, the dial 3 of dish stress point 32 offside sets out the dish point of application 33 that can drive the second dial 9, with the side of adjacent the second dial 9 of the dish point of application 33 on set out and second can be coiled stress point 92 by what coil that the point of application 33 acts on.Described cam 2 being arranged to its depressed area also can allow lever 41 enter the second password groove 91.Again as described above for the setting of dial 3, described jube 5 is arranged to can also prevent rotating shaft 1 or cam 2 or the friction between dial 3 and the second dial 9 from disturbing, does not affect the location of password groove 91, guarantee that they can work reliably.

Effectively can intercept dial 3, second dial 9 in order to the protruding outer rim of cam 2 can be made to contact 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 the card diameter being greater than dial 3, second dial 9; Also can described guide rod 41 be arranged to stepped, make the distance between the protruding outer rim of cam 2 and guide rod 41 be less than minimum range (scheming not draw) between the outer rim of dial 3, second dial 9 and guide rod 41.

Existing tapered end mounting process and technology can be adopted to install and use tapered end 7.Also by shown in Fig. 1 to Fig. 4, tapered end 7 can be installed, adopt tapered end fixator 71 and tapered end staple 711 or rivet welding technology tapered end 7 and panel 8 to be interfixed in figure to install, and on the panel 8 corresponding with keyhole of lock 70, set out the panel keyhole 80 that key can be allowed to insert.Tapered end 7 described in the present invention comprises lock core and to be fixed motionless tapered end, that is: the tapered end that in adopting, pressing spring drives the sliding part be located at outside lock core to realize tapered end to open, also comprises and adopt 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 the dead bolt or lock pin that are located in tapered end and can be used for directly or indirectly driving and be employed in lock body; Or refer to the parts being located in tapered end and can starting handle for opening door and realize opening dead bolt.Push rod 73 shown in Fig. 4 refers to the column on the sliding part that is located in the fixed tapered end of lock core, this column physical efficiency accept external force promote or the sliding part that triggers in tapered end in locking or opening.Push rod 73 also as required in the tapered end 7 of Fig. 1 to Fig. 3, also can be cancelled from the tapered end 7 of Fig. 4, specifically can be determined by the function of required tapered end and classification and actual needs.

During use, can dial by the operating procedure of the mechanical cipher dial of existing safety cabinet, is dial containing secondary password as shown in figure of the present invention, its dialing step is: first to the direction of a certain setting, as right direction rotates more than dialing 11 liang, handle circle, make a certain scale mark on dialing handle 11 just go to and aim at and be 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 side, dial 3 is and then rotated, make the dish point of application 33 be located on dial 3 act on to be located at the second dish stress point 92 on the second dial 9 again, make the second password groove 91 of the second dial 9 completely mutually corresponding with lever 41, more than now enclosing to anticlockwise (revolution) dialing handle 11 1 again, make the anchor point on another scale mark aligning panel 8 on dialing handle 11, 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-hands rotation) 180 degree again to being less than 360 deg, and can not affect the location of password groove 31, can to turn right the handle 11 that dials, make the depressed area of cam 2 corresponding with lever 41 by agreement; Now can promote push button 42 or open spring 43 effect under, lever 41 enters password groove 31 and the second password groove 91 and cam 2 depressed area by setting, drive the displacement of keyhole baffle plate 4, realize the unlatching to keyhole of lock 70, now can insert key and realize the concrete operations required for tapered end and lock body.When need close keyhole of lock 70, first can extract key needed for the state of tapered end 7, again more than either direction rotary dialing handle 11 1 circle, now under the effect of cam 2 outer rim, guide rod 41 is pushed out password groove 31 and the second password groove 91, in dialing handle 11 rotary course, dial 3, second dial 9 also follows rotation, guide rod 41 and password groove 31, second password groove 91 is made to produce dystopy, intercept the unlatching of keyhole baffle plate 4 pairs of keyhole of locks 70, realize closing 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., and patent name is in the embody rule of " handle for opening door containing 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 embody rule of " handle for opening door with 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 the lever (41) be located on keyhole baffle plate (4), the dialing handle (11) that energy drive shaft (1) makes 360 deg circular-rotation is provided with in the outer end of rotating shaft (1), the dial (3) that can rotate with rotating shaft (1) is provided with in the outside of rotating shaft (1), the password groove (31) that lever (41) can be allowed to enter is provided with in the outer rim of dial (3), lever (41) and keyhole baffle plate (4) are the one mutually linked, the pulling point (12) that dial (3) can be driven to rotate also is provided with in the outside of rotating shaft (1), dial (3) side corresponding with pulling point (12) is provided with and can be acted on by pulling point (12) and the dish stress point (32) that dial (3) can be made to rotate with rotating shaft (1), it is characterized in that: in rotating shaft (1), be provided with the cam (2) that together can rotate with rotating shaft (1), the outer rim of cam (2) can promote lever (41), keyhole baffle plate (4) is made to close keyhole of lock (70), the depressed area of cam (2) can allow lever (41) enter password groove (31), keyhole baffle plate (4) is made to open keyhole of lock (70).

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

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

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

5. the keyhole protector containing 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), the panel (8) corresponding with push button (42) is provided with the sliding mouth (81) of the push button that push button (42) can be allowed normally to work.

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