CN201747128U

CN201747128U - Strong torsion-resistance handling three-lever lock

Info

Publication number: CN201747128U
Application number: CN201020147318XU
Authority: CN
Inventors: 庄瑞国
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-03-02
Filing date: 2010-03-02
Publication date: 2011-02-16
Anticipated expiration: 2020-03-02

Abstract

The utility model relates to a lockset technology, in particular to a strong torsion-resistance handling three-lever lock, which comprises an external handling assembly, an internal handling assembly, a transmission mechanism and a safety device, wherein the transmission mechanism comprises a direction wrench, a spring seat, a transmission square tube and a control strip, wherein one side of the direction wrench is provided with a minus key; the minus key is connected with a minus slot in a tapered ned; the other side of the direction wrench is provided with a 90-degree rotating slot; the 90-degree rotating slot is connected with one end of the control strip; the other end of the control strip is connected with one end of a manual torsion bar; and the safety device comprises an open slot arranged on an external handling sleeve, a spring, a cam arranged on a spring seat and a spring nest which is arranged on an external handling sleeve mounting hole which is vertical to the centre line of a lockhole. The utility model aims to design the strong torsion-resistance handling three-lever lock being capable of resisting strong torsion damages. Compared with the prior art, the utility model has the advantages of firm and smooth guarantee, obvious locking hand feeling, strong anti-theft performance and the like.

Description

Anti-high torque handling three-pole lock

Technical field

The utility model relates to the lockset technology, particularly a kind of anti-high torque handling three-pole lock.

Background technology

" a kind of three-pole lock with transmission mechanism and handle " that a kind of patent No. is ZL 02226410.8 disclosed on March 21st, 2002 by State Intellectual Property Office disclosed patent documentation data storehouse, this patent comprises outer handle parts, interior handle parts, lock core and safeties, wherein, safeties by be connected insurance cam on the lock core, safety loop, switching tube spring, safety pole groove and

Parts such as font locked groove constitute.When opening the door, key inserts lock core and turns clockwise 90 °, and lock core drives the same half-twist of insurance cam, insures 5 millimeters of the translations forward of cam driven safety loop simultaneously, and safety loop breaks away from The font locked groove enters in the safety pole groove, and safeties are left by band, rotates handle again, and handle drives the transmission square tube and rotates, and drives the dead bolt translation, dead bolt is shifted out from dead bolt hole, thereby the door band is opened; At closing time, key inserts lock core inhour half-twist, and lock core drives the same counter-clockwise half-twist of insurance cam, safety loop under the elastic force effect of switching tube spring, safety loop 5 millimeters of translations backward, safety loop leaves from the safety pole groove, enters

In the font locked groove, take out key, safeties enter lock-out state, are connected that the transmission square tube is stuck on the insurance cam, make handle not drive transmission square tube rotation, thereby also can't drive the dead bolt translation, and dead bolt is unable to stir any more at dead bolt hole, and door is by locking.Though the operation of this patent structure is very reliable, it has the following disadvantages: 1, since safeties adopt safety loop with The font locked groove cooperates and to pin insurance, and its anti-high torque ability is relatively poor, as long as by the powerful twisting of instruments such as wrench handle, just can with the safety loop in the safeties with

The font locked groove destroys, thereby makes safeties lose safety effect, and handling three-pole lock loses due effect.2, handling three-pole lock is when locking a door, and not lock sense after often the user locks a door, also will be changeed the handle that tries with hand, and locking a door allows the people feel unreliable.

Summary of the invention

The purpose of this utility model is a kind of anti-high torque handling three-pole lock that can resist strong moment of torsion destruction of design.

In order to achieve the above object, the utility model adopts following technical solution: a kind of anti-high torque handling three-pole lock, comprise outer handle assembly, interior handle assembly, transmission mechanism and safeties, wherein, outer handle assembly comprises the external enforcement glove tube, tapered end and outer face, interior handle assembly comprises interior handle sleeve, hand is turned round and the hand torsion bar, it is characterized in that described transmission mechanism comprises direction and turns round, the pellet shot from a slingshot seat, transmission square tube and control strip, described direction is turned round a side and is provided with " one " keyboard, be connected with " one " word groove in the tapered end, described direction is turned round opposite side and is provided with 90 ° of swivelling chutes, be connected with control strip one end, the control strip other end is connected with hand torsion bar one end after passing " one " word groove and transmission square tube in the pellet shot from a slingshot seat, described safeties comprise the open slot that is located on the external enforcement glove tube, pellet shot from a slingshot and be located at the cam on the pellet shot from a slingshot seat and be located at the perpendicular external enforcement glove tube installing hole of lockhole center line on the pellet shot from a slingshot nest, open slot and pellet shot from a slingshot nest are oppositely arranged, and pellet shot from a slingshot is arranged on the pellet shot from a slingshot nest, in the space between open slot and the cam three.

Described cam is made of small radius cam and long radius cam flat slip, the small radius cam be arranged on the corresponding to pellet shot from a slingshot seat of lockhole center line on, the long radius cam be arranged on the perpendicular pellet shot from a slingshot seat of lockhole center line on.

Described safeties are provided with two groups.

On described hand torsion bar, be provided with the safety lock induction device, described safety lock induction device comprises end face and is provided with recessed positioning cam and the spring that is provided with cam with end face of taking turns in recessed location of taking turns, locating recessed the wheel is fixed on the hand torsion bar, positioning cam is fixed in the interior handle sleeve hole, locate recessed the wheel and the mutual concavo-convex engagement of positioning cam end face, spring is located on described positioning cam and the described hand hand torsion bar between turning round.

Because the utility model adopts pellet shot from a slingshot and cam to roll and locks insurance, after locking, the extruding between cam, pellet shot from a slingshot and the pellet shot from a slingshot nest three is the face contact, and latching force is big, so it can have the destruction that high strength is resisted strong moment of torsion.

Description of drawings

Below in conjunction with drawings and Examples the utility model is described in further detail.

Fig. 1 is present embodiment structure chart (released state).

Fig. 2 a is the front view that direction is turned round parts in the present embodiment.

Fig. 2 b is Fig. 2 a left view.

Fig. 2 c is Fig. 2 a right view.

Fig. 3 a is located at front view on the pellet shot from a slingshot seat for the present embodiment cam.

Fig. 3 b is Fig. 3 a left view.

Fig. 3 c is Fig. 3 a right view.

Fig. 4 is that Fig. 1 is along A-A sectional view (safeties are in released state).

Fig. 5 is that Fig. 1 is along A-A sectional view (safeties are in locking state).

Fig. 6 a is the front view of the recessed wheel component in location in the present embodiment.

Fig. 6 b is Fig. 6 a left view.

Fig. 7 a is the front view of positioning cam parts in the present embodiment.

Fig. 7 b is Fig. 7 a left view.

Fig. 7 c is Fig. 7 a right view.

The specific embodiment

As shown in Figure 1, present embodiment comprises outer handle assembly, interior handle assembly, transmission mechanism, safeties and safety lock induction device, wherein, outer handle assembly comprises external enforcement glove tube 10, tapered end 1 and outer face 4, and interior handle assembly comprises interior handle sleeve 11, hand and turns round 12 and hand torsion bar 24.

Described transmission mechanism comprises that direction turns round 3, pellet shot from a slingshot seat 5, transmission square tube 9 and control strip 8, described direction is turned round 3 one sides and is provided with " one " keyboard 7 (shown in Fig. 2 a), be connected with " one " word groove in the tapered end 1, described direction is turned round 3 opposite sides and is provided with 90 ° of swivelling chutes 16 (shown in Fig. 2 c), be connected with control strip 8 one ends, " one " word groove 18 (shown in Fig. 3 b) that control strip 8 other ends pass in the pellet shot from a slingshot seat 5 is connected with hand torsion bar 24 1 ends with transmission square tube 9 backs;

As Fig. 3 a, Fig. 3 b, Fig. 3 c, Fig. 4, shown in Figure 5, described safeties are provided with two groups, described safeties comprise open slot 21, the pellet shot from a slingshot 23 that is located on the external enforcement glove tube and be located at the cam 17 on the pellet shot from a slingshot seat 5 and be located at the perpendicular external enforcement glove tube installing hole of lockhole center line on pellet shot from a slingshot nest 22, open slot 21 is oppositely arranged with pellet shot from a slingshot nest 22, and pellet shot from a slingshot 23 is arranged in the space between pellet shot from a slingshot nest 22, open slot 21 and cam 17 threes.

Described cam is made of

small radius cam

19 and 20 smooth connections of long radius cam, small radius cam 19 be arranged on the corresponding to pellet shot from a slingshot seat of lockhole 2 center lines on, long radius cam 20 be arranged on the perpendicular pellet shot from a slingshot seat of lockhole 2 center lines on.

Shown in Fig. 1, Fig. 6 a, Fig. 6 b and Fig. 7 a, Fig. 7 b, Fig. 7 c, described safety lock induction device is located on the described hand torsion bar 24, described safety lock induction device comprise end face be provided with recessed location of taking turns recessed take turns 14 and end face be provided with the positioning cam 13 and the spring 25 of cam, locate and recessedly take turns 14 and be fixed on the hand torsion bar 24, positioning cam 13 is fixed in the interior handle sleeve hole 15, locate and recessedly take turns 14 and the mutual concavo-convex engagement of positioning cam 13 end faces, spring 23 is located at described positioning cam 13 and described hand and turns round on the hand torsion bar 24 between 12.

When control strip 8 or hand turn round 12 when rotating, control strip 8 or hand turn round 12 when driving the rotation of hand torsion bar, the hand torsion bar drives locatees recessed 14 rotations of taking turns, since the location recessed take turns 14 with the concavo-convex engagement of positioning cam 13 end faces, and under the pliable pressure effect of spring 25, allow the user in the rotation process of locking, the switch feel is arranged, and slight sound is arranged, make the people relieved.

Again as shown in Figure 5, safeties are in each component locations figure of locking state, and promptly under the extruding of small radius cam 19, pellet shot from a slingshot 23 is pushed in pellet shot from a slingshot nest 22, and the external enforcement glove tube can not be rotated by locked.

In the time will unblanking, key inserts tapered end and turns clockwise 90 °, tapered end is turned round 3 by direction and is driven control strip 8 rotations, the cam 17 that control strip 8 drives on the pellet shot from a slingshot seat 5 clockwise rotates 90 °, make long radius cam 20 and small radius cam 19 clockwise rotate 90 °, long radius cam 20 rotates to the relative position of pellet shot from a slingshot nest 22, the extruding of pellet shot from a slingshot 23 is disengaged, safeties arming, rotate the external enforcement glove tube, open slot 21 on the external enforcement glove tube is expressed to pellet shot from a slingshot 23 on the long radius cam 20, makes the external enforcement glove tube, pellet shot from a slingshot 23 and pellet shot from a slingshot seat 5 become one, and are rotated further the external enforcement glove tube, pellet shot from a slingshot seat 5 drives transmission square tube 9 by control strip 8 and rotates, drive dead bolt (not drawing among the figure) translation by transmission square tube 9, dead bolt is shifted out from dead bolt hole, thereby a lock band is opened.

Again as shown in Figure 4, safeties are in each component locations figure of released state, promptly are in relative position at long radius cam 20 with pellet shot from a slingshot nest 22, and the locus of Gou Chenging is bigger between the two, and pellet shot from a slingshot 23 is positioned at wherein, is not squeezed.

In the time will locking, key inserts tapered end and is rotated counterclockwise 90 °, tapered end is turned round 3 by direction and is driven control strip 8 rotations, the cam that control strip 8 drives on the pellet shot from a slingshot seats 5 rotates counterclockwise 90 °, makes long radius cam 20 and small radius cam 19 rotate counterclockwise 90 °, and small radius cam 19 rotates to the relative position of pellet shot from a slingshot nest 22, pellet shot from a slingshot 23 is by 19 extruding of small radius cam, pellet shot from a slingshot 23 is pushed in pellet shot from a slingshot nest 22, and the external enforcement glove tube is by locked, the safeties insurance of locking.

In sum, the utility model compared with prior art has the following advantages:

1, insurance is firmly again smooth and easy. Control insurance owing to adopt pellet to roll, namely firmly again smooth and easy.

2, the feel of locking is obvious, makes the user relieved.

3, theftproof performance strengthens.

Claims

1. anti-high torque handling three-pole lock, comprise outer handle assembly, interior handle assembly, transmission mechanism and safeties, wherein, outer handle assembly comprises external enforcement glove tube (10), tapered end (1), outer face (4), interior handle assembly comprises interior handle sleeve (11), hand is turned round (12), hand torsion bar (24), it is characterized in that described transmission mechanism comprises direction and turns round (3), pellet shot from a slingshot seat (5), transmission square tube (9) and control strip (8), described direction is turned round (3) one sides and is provided with " one " keyboard (7), be connected with " one " word groove in the tapered end (1), described direction is turned round (3) opposite side and is provided with 90 ° of swivelling chutes (16), be connected with control strip (8) one ends, " one " word groove (18) that control strip (8) other end passes in the pellet shot from a slingshot seat (5) is connected with hand torsion bar (24) one ends with transmission square tube (9) back, described safeties comprise the open slot (21) that is located on the external enforcement glove tube, pellet shot from a slingshot (23) and be located at the cam (17) on the pellet shot from a slingshot seat (5) and be located at the perpendicular external enforcement glove tube installing hole of lockhole center line on pellet shot from a slingshot nest (22), open slot (21) is oppositely arranged with pellet shot from a slingshot nest (22), and pellet shot from a slingshot (23) is arranged on pellet shot from a slingshot nest (22), in the space between open slot (21) and cam (17) three.

2. anti-high torque handling three-pole lock according to claim 1, it is characterized in that described cam (17) is made of small radius cam (19) and long radius cam (20) smooth connection, small radius cam (19) be arranged on the corresponding to pellet shot from a slingshot seat of lockhole center line on, long radius cam (20) be arranged on the perpendicular pellet shot from a slingshot seat of lockhole center line on.

3. anti-high torque handling three-pole lock according to claim 2 is characterized in that described safeties are provided with two groups.

4. anti-high torque handling three-pole lock according to claim 3, it is characterized in that on described hand torsion bar, being provided with the safety lock induction device, described safety lock induction device comprises end face and is provided with positioning cam (13) and the spring (25) that recessed wheel the in recessed location of taking turns (14) and end face are provided with cam, locating recessed wheel the (14) is fixed on the hand torsion bar, positioning cam (13) is fixed in the interior handle sleeve hole (15), locate recessed wheel the (14) and positioning cam (13) end face is meshing with each other, spring (25) is located at described positioning cam (13) and described hand and turns round on the hand torsion bar (24) between (12).