CN2830580Y

CN2830580Y - Vane type door lock

Info

Publication number: CN2830580Y
Application number: CN 200520077698
Authority: CN
Inventors: 张国东
Original assignee: CHENGLI METAL PRODUCTS Co Ltd SUZHOU
Current assignee: CHENGLI METAL PRODUCTS Co Ltd SUZHOU
Priority date: 2005-11-11
Filing date: 2005-11-11
Publication date: 2006-10-25
Anticipated expiration: 2015-11-11

Abstract

The utility model discloses a vane type door lock, which comprises an oblique tongue lock core structure at the upper part of a lock casing and a square tongue lock core structure at the lower part of the lock casing, wherein the oblique tongue lock core structure is mainly composed of an oblique tongue rod, an oblique tongue at the front end of the oblique tongue rod, an oblique tongue spring sheathed on the oblique tongue rod, a poking block, a poking spring and a positioning block fixed to the tail end of the oblique tongue rod. The utility model is characterized in that the oblique tongue is provided with a groove, and an oblique tongue pushing block is arranged in the groove; the oblique tongue pushing block is in an L-shaped lever structure, wherein one end of the oblique tongue pushing block is protruded out of the shorter side surface of the oblique tongue, the inner side positioning of a side faceplate forms a lever fulcrum, the L-shaped bending part is in rotary connection with the oblique tongue, and the other end of the oblique tongue pushing block is protruded out of the oblique surface of the oblique tongue; a restoring spring is arranged between the oblique tongue pushing block and the groove of the oblique tongue. The utility model drives the oblique tongue through the lever motion of the oblique tongue pushing block so that the lateral pressure on the oblique tongue can be reduced, therefore the abrasion to the surface of a lock tongue can be reduced and noises generated by the impact of self locking can be reduced so that the mute effect can be achieved.

Description

A kind of vane type door lock

Technical field

The utility model relates to a kind of door lock, is specifically related to a kind of door lock that adopts the vane type lock core structure.

Background technology

Blade lock and cylinder lock with balls are two kinds of mechanical door locks that we use always, on safety factor, the lock core of vane type changes various the blade locked groove and the number of blade with it, make it have more antitheft advantage, though structure is comparatively complicated, price is expensive, but with the raising of people to the safety factor requirement, the blade lock obtains using all the more widely.

General blade lock mainly is made up of lock housing, side panel, handle and the lock core be located in the lock housing, described lock core comprises skew bolt lock core segment and square tongue lock core part, wherein square tongue lock core part mainly is made up of blade rotor and the plurality of vanes and the cover plate that are stacked in the rotating shaft, have special code hole on each blade, by being arranged at cover plate above the blade by screw and compress, this part is the core of blade lock, bears antitheft door lock function; Another skew bolt lock core segment mainly by oblique tongue, oblique tongue rod, be sheathed on oblique tongue on the oblique tongue rod, tiltedly tongue slide block and oblique tongue are stirred spring and are formed, tiltedly the tongue slide block is provided with the handle hole, handle is fixed in the handle hole, one end of oblique tongue slide block is stirred spring with oblique tongue and is connected, and the other end is butted on the oblique tongue locating piece that is fixed in the oblique tongue rod tail end.When opening the door, rotate handle, poke rod one end promotes oblique tongue locating piece and moves backward, locating piece pulling oblique tongue rod moves backward, make in the oblique tongue retraction lock housing, and the other end of poke rod spurs oblique tongue and stirs spring, after discharging handle, by stirring spring poke rod is resetted, tiltedly tongue stretches out lock housing; At closing time, in most cases be directly to promote door, automatically lock by it, and can not remove specially to rotate handle, it is locked.When automatically locking, by the extruding of doorframe to oblique tongue inclined-plane, make oblique tongue along contracting in the inclined-plane, promote oblique tongue rod and move backward, and compress oblique tongue, after door was closed, tiltedly tongue stretched out lock housing and inserts in the doorframe lockhole that is mated under the elastic force of oblique tongue.

Structure with skew bolt lock core segment in the prior art, under the self-locking situation of door, (comprise that artificial promotion and wind are moving), doorframe can be decomposed into the thrust of parallel direction to the active force on oblique tongue surface (inclined-plane) and to the pressure of oblique tongue, wherein, pressure makes oblique dorsal surface of tongue press housing, produce bigger frictional force between the two, hinder oblique tongue motion.Thus, make that the wearing and tearing on oblique tongue surface are comparatively serious on the one hand, simultaneously, for promoting dead bolt, doorframe must both make doorframe impaired with bigger power bump dead bolt, can produce sizable impact noise again.

Summary of the invention

The utility model purpose provides a kind of self-locking that is easy to, and quiet, frictionally damage is little, the vane type door lock of long service life.

For achieving the above object, the technical solution adopted in the utility model is: a kind of vane type door lock, mainly form by lock housing, lock core, handle and side panel, described lock core comprises the skew bolt lock cored structure that is positioned at lock housing top and is positioned at the square tongue lock core structure of bottom, wherein square tongue lock core structure mainly is made up of blade rotor, a plurality of leaves and the cover plate that are stacked in the rotating shaft, and passes through screw; The skew bolt lock cored structure is mainly by oblique tongue rod, be located at the oblique tongue of oblique tongue rod front end, be sheathed on the oblique tongue on the oblique tongue rod, slide block, stir spring and be fixed in oblique tongue rod tail end locating piece and form, described slide block is provided with the handle hole, handle is fixed in the handle hole, one end of slide block is butted on the locating piece, the other end with stir spring and be connected, have a groove on the described oblique tongue, one oblique tongue jacking block is located in the groove, described oblique tongue jacking block is a L type lever construction, the one distal process is for outside the short side of oblique tongue, and constitute balance pivot by the inner side limiting-position of side panel, L type kink is rotationally connected with oblique tongue, the other end stretches out outside the inclined-plane of oblique tongue, and its stress surface tiltedly is provided with back-moving spring between tongue jacking block and oblique tongue groove between oblique plane, tongue shorter side place and inclined-plane.

In the technique scheme, described " tiltedly tongue " is similar with existing oblique tongue structure on outline, has six faces, is inclined-plane, symmetrically arranged side up and down, the shorter side that is connected with the inclined-plane and than long side surface, and the end face of connection oblique tongue rod respectively.Corresponding tiltedly tongue position perforate on the side panel, tiltedly tongue is outside reset position stretches out the hole, and the unlatching of barrier door when utilizing handle to rotate slide block, can drive oblique gyrus lingulais through oblique tongue rod by locating piece and contract, and lock is opened.This programme is after offering groove on the oblique tongue, set up oblique tongue jacking block, thereby when automatically locking, doorframe pushes oblique tongue jacking block and makes its overturning than the long side surface direction to oblique tongue, the end that oblique tongue jacking block contacts with side panel becomes fulcrum, make the middle part promote oblique tongue and oblique tongue rod moves in lock housing, and compress oblique tongue, until the inclined-plane of oblique tongue jacking block and the oblique plane parallel of tongue, this moment, tiltedly tongue was positioned at shell working position place, i.e. in the retraction lock housing; After oblique tongue moves to corresponding to the doorframe lockhole, oblique tongue jacking block is no longer included extruding force, tiltedly the tongue jacking block recovers initial position under the effect of jacking block spring, and tiltedly tongue also recovers working position outside the shell under the effect of oblique tongue.

Further technical scheme, also comprise a changement, it is made up of the commutation hole and the commutation catch that are opened on the lock housing, the commutation hole is with tiltedly the tongue operating position is corresponding, and greater than oblique tongue than long side surface, commutation catch one end and lock housing are rotationally connected, rotating shaft is positioned at the side top of oblique tongue, the other end is positioned at the commutation hole, corresponding with the catch end, corresponding tiltedly tongue motion path top, commutation hole is provided with the catch groove, and catch first working position is positioned on the oblique tongue motion path, and the distance from the catch edge to side panel is less than the length of oblique tongue than long side surface; Catch second working position is positioned at the catch groove.

The working method of changement is: the commutation catch is in second working position, be in the catch groove, push oblique tongue, make the bottom surface of oblique tongue be butted on bottom, commutation hole, can make oblique tongue be positioned at commutation 180 ° of rotations in hole, and the position of the oblique tongue jacking block that overturns, its position with oblique tongue is cooperated, be the plane of jacking block inclined-plane corresponding to oblique tongue, the jacking block plane is corresponding to the inclined-plane of oblique tongue; When mounted, can be according to the direction of opening of door, rotate oblique tongue inclined-plane towards, and after treating that orientation is finished, the commutation catch is in the first working position place of oblique hypogloeeis side under the effect of gravity, so, when oblique tongue retraction lock housing, be butted on the top of commutation catch, and tiltedly the end face of tongue is concordant with lateral plates at this moment, therefore is stuck, can not take place to rotate the position relative fixed arbitrarily.

Because the technique scheme utilization, the utility model compared with prior art has following advantage:

1. because the utility model is tiltedly adding oblique tongue jacking block in the tongue, and be rotationally connected with rotating shaft and oblique tongue, when doorframe pushes oblique tongue jacking block, tiltedly the tongue jacking block rotates with the direction of extrusion with rotating shaft, end by oblique tongue jacking block compresses lateral plates, oblique tongue and oblique tongue rod are moved in shell, thereby the lever motion with oblique tongue jacking block drives oblique tongue, reduced the lateral pressure that oblique tongue is subjected to, thereby force of sliding friction is little, has reduced the abrasion to the dead bolt surface, and under equivalent effect power, tiltedly tongue is easier to finish self-locking, can reduce the noise that the self-locking bump produces.

2. because tiltedly the contact surface of tongue jacking block and doorframe is less than the acting surface on oblique tongue inclined-plane in the past, thereby the impact noise that produces can further reduce self-locking the time reaches quiet effect.

Description of drawings

Accompanying drawing 1 is the structural representation of the utility model embodiment one;

Accompanying drawing 2 is the structural representation of skew bolt lock cored structure among Fig. 1 (tiltedly tongue slide block and stir spring and do not draw);

Accompanying drawing 3 is the structural representation of looking up of Fig. 2;

Accompanying drawing 4 is the partial cutaway diagrammatic sketch of oblique tongue among Fig. 2.

Wherein: [1], lock housing; [2], side panel; [3], square tongue lock core structure; [4], oblique tongue rod; [5], oblique tongue; [6], oblique tongue; [7], slide block; [8], stir spring; [9], locating piece; [10], handle hole; [11], groove; [12], oblique tongue jacking block; [13], stress surface; [14], back-moving spring; [15], commutation hole; [16], catch; [17], rotating shaft; [18], catch groove.

The specific embodiment

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

Embodiment one: shown in accompanying drawing 1 to 4, a kind of vane type door lock, mainly form by lock housing 1, lock core, handle and side panel 2, described lock core comprises the skew bolt lock cored structure that is positioned at lock housing top and is positioned at the square tongue lock core structure 3 of bottom, wherein square tongue lock core structure 3 mainly is made up of blade rotor, a plurality of leaves and the cover plate that are stacked in the rotating shaft, and passes through screw; The skew bolt lock cored structure is mainly by oblique tongue rod 4, be located at the oblique tongue 5 of oblique tongue rod 4 front ends, be sheathed on the oblique tongue 6 on the oblique tongue rod 4, slide block 7, stir spring 8 and be fixed in oblique tongue rod 4 tail end locating pieces 9 and form, described slide block 7 is provided with handle hole 10, handle is fixed in the handle hole 10, one end of slide block 7 is butted on the locating piece 9, the other end with stir spring 8 and be connected, have a groove 11 on the described oblique tongue 5, one oblique tongue jacking block 12 is located in the groove 11, described oblique tongue jacking block 12 is a L type lever construction, the one distal process is for outside the short side of oblique tongue 5, and constitute balance pivot by the inner side limiting-position of side panel 2, L type kink is rotationally connected with oblique tongue 5, the other end stretches out outside the inclined-plane of oblique tongue 5, its stress surface 13 is between oblique tongue 5 planes, shorter side place and inclined-plane, and tiltedly tongue jacking block 12 and oblique 11 of tongue grooves are provided with back-moving spring 14.

In the present embodiment, also comprise a changement, it is made up of the commutation hole 15 and the commutation catch 16 that are opened on the lock housing 1, commutation hole 15 is with tiltedly tongue 5 operating positions are corresponding, and greater than oblique tongue 5 than long side surface, commutation catch 16 1 ends and lock housing 1 are rotationally connected, rotating shaft 17 is positioned at the side top of oblique tongue 5, the other end is positioned at commutation hole 15, corresponding with catch 16 ends, 15 corresponding tiltedly tongue 5 motion paths tops, commutation hole are provided with catch groove 18, and catch 16 first working positions are positioned on oblique tongue 5 motion paths, and the distance from catch 16 edges to side panel 2 is less than the length of oblique tongue 5 than long side surface; Catch 16 second working positions are positioned at catch groove 18.

During use, rotatable handle when opening the door, the oblique tongue slide block of fixing with handle 7 is clockwise rotated around the handle axle, promote oblique tongue locating piece 9, pulling oblique tongue rod 4 and oblique tongue 5 move backward, work shift working position to the shell from shell outside, and behind the release handle, tiltedly tongue slide block 7 resets under the effect of stirring spring 8, thereby makes oblique tongue 5 be back to the outer working position of shell.When automatically locking, doorframe pushes oblique tongue jacking block 12 and makes its overturning than the long side surface direction to oblique tongue 5, the end that oblique tongue jacking block 12 contacts with side panel 2 becomes fulcrum, middle part oblique tongue 5 of promotion and oblique tongue rod 4 are moved in lock housing 1, and compress oblique tongue 6, until the inclined-plane of oblique tongue jacking block 12 and the oblique plane parallel of tongue 5, this moment, tiltedly tongue 5 was positioned at shell working position place, i.e. in the retraction lock housing 1; After oblique tongue 5 moves to corresponding to the doorframe lockhole, oblique tongue jacking block 12 is no longer included extruding force, tiltedly tongue jacking block 12 recovers initial position under the effect of back-moving spring 14, and tiltedly tongue 5 also recovers working position outside the shell under the effect of oblique tongue 6.

Claims

1. vane type door lock, mainly form by lock housing [1], lock core, handle and side panel [2], described lock core comprises the skew bolt lock cored structure that is positioned at lock housing top and is positioned at the square tongue lock core structure [3] of bottom, wherein square tongue lock core structure [3] mainly is made up of blade rotor, a plurality of leaves and the cover plate that are stacked in the rotating shaft, and passes through screw; The skew bolt lock cored structure is mainly by oblique tongue rod [4], be located at the oblique tongue [5] of oblique tongue rod [4] front end, be sheathed on the oblique tongue [6] on the oblique tongue rod [4], slide block [7], stir spring [8] and be fixed in oblique tongue rod [4] tail end locating piece [9] and form, described slide block [7] is provided with handle hole [10], handle is fixed in the handle hole [10], one end of slide block [7] is butted on the locating piece [9], the other end with stir spring [8] and be connected, it is characterized in that: have a groove [11] on the described oblique tongue [5], one oblique tongue jacking block [12] is located in the groove [11], described oblique tongue jacking block [12] is a L type lever construction, the one distal process is for outside the short side of oblique tongue [5], and constitute balance pivot by the inner side limiting-position of side panel [2], L type kink is rotationally connected with oblique tongue [5], the other end stretches out outside the inclined-plane of oblique tongue [5], its stress surface [13] is positioned between oblique tongue [5] plane, shorter side place and the inclined-plane, tiltedly is provided with back-moving spring [14] between tongue jacking block [12] and oblique tongue groove [11].

2. a kind of vane type door lock according to claim 1, it is characterized in that: also comprise a changement, it is made up of the commutation hole [15] and the commutation catch [16] that are opened on the lock housing [1], commutation hole [15] is with tiltedly tongue [5] operating position is corresponding, and greater than oblique tongue [5] than long side surface, commutation catch [16] one ends and lock housing [1] are rotationally connected, rotating shaft [17] is positioned at the side top of oblique tongue [5], the other end is positioned at commutation hole [15], corresponding with catch [16] end, corresponding tiltedly tongue [5] motion path top, commutation hole [15] is provided with catch groove [18], catch [16] first working positions are positioned on oblique tongue [5] motion path, and the distance from catch [16] edge to side panel [2] is less than the length of oblique tongue [5] than long side surface; Catch [16] second working positions are positioned at catch groove [18].