CN202467398U

CN202467398U - Short-distance escape door lock

Info

Publication number: CN202467398U
Application number: CN2012200876394U
Authority: CN
Inventors: 叶乃辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-10
Filing date: 2012-03-10
Publication date: 2012-10-03
Anticipated expiration: 2022-03-10

Abstract

The utility model discloses a short-distance escape door lock, which comprises a shell, wherein an indoor driving wheel, an outdoor driving wheel and a driving strip which can be driven respectively through the indoor driving wheel or the outdoor driving wheel are arranged in the shell; an unlocking gap is formed between the indoor driving wheel or the outdoor driving wheel; the outdoor driving wheel is provided with a locking groove cavity; a lock core push rod is arranged in the shell; the shell is provided with a bolt assembly which is driven to contract through the indoor driving wheel and is used for pushing the lock core push rod from the locking groove cavity to the unlocking gap is arranged on the shell; the bolt assembly is connected with the driving strip, and extends out of the shell; the extension surface of the bolt assembly is a bolt lining surface; and the distance between the bolt lining surface and the rotation axle center of the indoor driving wheel or the axle center of the outdoor driving wheel is 40-55 millimeters. According to the short-distance escape door lock, indoor opening and unlocking actions are combined, an unlocking action is convenient and rapid, and a remarkable escape effect is achieved; and meanwhile, the size of a product is reduced, and a lock body is arranged more firmly.

Description

Short distance type escaping door lock

Technical field

The utility model relates to the door lock product technical field, relates to a kind of short distance type escaping door lock specifically.

Background technology

At present; Common handle-type (being commonly called as the handle structure) door lock; Its basic structure is drawn together housing; The driving bar that is provided with indoor driving wheel, outdoor driving wheel in the housing and can be driven respectively by indoor driving wheel or outdoor driving wheel, indoor driving wheel or outdoor driving wheel are driven by corresponding handle respectively and realize opening the door action.For making door lock have to outdoor lock function; Be provided with the release gap between indoor driving wheel and the outdoor driving wheel; Indoor driving wheel and outdoor driving wheel are provided with the locking vallecular cavity, simultaneously knob are set on housing, and piece is installed in the knob; When the user at indoor turn knob and then make on the locking vallecular cavity of driving wheel and outdoor driving wheel in the fixture block inlet chamber, make to drive bar and can't be moved and make the dead bolt retraction.Yet the door lock of this structure is when in indoor generation emergency; The user need twice operation of door lock at least could release, open the door: the turn knob is accomplished release during first element; Sometimes the turn anisotropy must be operated again, has increased the unlocking operation number of times; Second action is only the turn handle and makes the dead bolt retraction, and then realizes opening the door action, and the door lock of this traditional structure does not have escaping function fully.In addition; The door lock of this structure; Itself since in establish knob fixture block structure, make that the overall dimensions of door lock is longer, the distance of dead bolt lining face (the stretch out face of dead bolt on housing) and the center of rotation of indoor driving wheel or with the distance of the center of rotation of outdoor driving wheel be 60mm-70mm.If the door lock of this structure is installed on the Solid Door, need on the door body, to dig darker installing hole; If the door lock of this structure is installed on the door body of frame structure (being mostly the aluminium alloys framework), because the integral thickness of framework is the fitting depth less than door lock, for this reason, often make that doorframe is hollowed out, the fastness after door lock is installed is relatively poor.

Summary of the invention

The purpose of the utility model is to overcome the deficiency of prior art, provides that a kind of convenient for unlocking is quick, simplified solution lock construction, product overall volume are little, firm and easy to use easy short distance type escaping door lock is installed.

The goal of the invention of the utility model is achieved in that a kind of short distance type escaping door lock; It comprises housing; The driving bar that is provided with indoor driving wheel, outdoor driving wheel in the housing and can be driven respectively by indoor driving wheel or outdoor driving wheel is provided with the release gap between indoor driving wheel and the outdoor driving wheel, and outdoor driving wheel is provided with the locking vallecular cavity; It is characterized in that: the lock core push rod is installed in the said housing; Housing is provided with by indoor driving wheel and drives retraction and the lock core push rod is pushed into the dead bolt assembly in release gap from the locking vallecular cavity, and the dead bolt assembly is connected with the driving bar, and said dead bolt assembly extend out to outside the housing; The stretch out face of dead bolt assembly on housing is dead bolt lining face, the distance of the center of rotation of dead bolt lining face and indoor driving wheel or with the distance of the center of rotation of outdoor driving wheel be 40mm-55mm.

Preferably, the distance of the center of rotation of said dead bolt lining face and indoor driving wheel or with the distance of the center of rotation of outdoor driving wheel be 42mm-48mm.

The face that stretches out that is positioned at the dead bolt assembly on the said housing is installed the dead bolt liner plate, and the lateral surface of dead bolt liner plate is a dead bolt lining face.

Said dead bolt assembly is provided with the unlock drive tube, and the unlock drive tube is provided with and is used to promote the lock core push rod is moved to the release gap by the locking vallecular cavity release inclined-plane.

Be provided with the yielding hole that matches with the lock core push rod in the said unlock drive tube, the release inclined-plane is positioned at the port of making a concession the hole.

Be provided with the back-moving spring that is used for the outer release of the past housing of dead bolt assembly between said unlock drive tube and the lock core push rod, an end of back-moving spring is socketed on the unlock drive tube, and the other end of back-moving spring is socketed on the lock core push rod.

Be equipped with on the said lock core push rod and be used to drive the lock core push rod is moved to the locking vallecular cavity by the release gap manual push rod.

Be provided with the abutment sleeve that is used for the installation of lock core push rod in the said housing, said manual push rod cross-under is installed in the abutment sleeve.

Said manual push rod or lock core push rod are provided with locating hole; Locating hole is provided with the location ball with the elastic component supporting; Have and locate ball on the abutment sleeve and match and make the lock core push rod be positioned at the unlock hole on the release gap, also have and locate ball on this abutment sleeve and match and make the lock core push rod be positioned at the lock hole on the locking vallecular cavity.

Have the locking vallecular cavity that matches with the lock core push rod on the said indoor driving wheel.

The utility model improves existing escaping door lock, and it has following beneficial effect and is:

The utility model is equipped with the lock core push rod in housing, housing is provided with by indoor driving wheel and drives retraction and the lock core push rod is pushed into the dead bolt assembly in release gap from the locking vallecular cavity, and the dead bolt assembly is connected with the driving bar, and said dead bolt assembly extend out to outside the housing.When door lock (outdoor driving wheel then can't be realized unlocking operation) after indoor being locked, the user only needs to drive through handle and drives bar and make and contract in the dead bolt assembly, in the dead bolt assembly that contracts the lock core push rod is moved to the release gap by the locking vallecular cavity; Be implemented in the unlocking operation of accomplishing door lock when opening the door, make to the utlity model has indoor opening the door and release action two-in-one, the release action is convenient and swift; Easy to use simple and easy; Particularly under indoor emergency, the user only needs pulling handle to get final product release, has striven for escape time to greatest extent; It has replaced said structure the knob fixture block structure of conventional door lock simultaneously; The simplified solution lock construction, and make dead bolt lining face and the center of rotation of indoor driving wheel distance or with the distance of the center of rotation of outdoor driving wheel be 40mm-55mm, make dead bolt lining face to the axis of rotation of indoor driving wheel, outdoor driving wheel apart from shortening dramatically; Help reducing small product size; Reduced the installation cavity of lock body on the door body, avoided producing and dig the phenomenon of wearing doorframe, it is more firm to make lock body install.

Description of drawings

Accompanying drawing 1 is the structure outside drawing of the utility model most preferred embodiment.

Accompanying drawing 2 is that the utility model most preferred embodiment is at the structural representation that opens the housing state.

Accompanying drawing 3 is the structural representation of the utility model under (non-locking a door) state after the release.

Accompanying drawing 4 is shown in the accompanying drawing 3 under the released state, abutment sleeve and sectional structure chart after manual push rod is connected.

Accompanying drawing 5 is shown in the accompanying drawing 3 under the released state, the fiting relation figure between lock core push rod and indoor driving wheel, the outdoor driving wheel.

Accompanying drawing 6 for the utility model under state is locked a door in indoor realization, abutment sleeve and sectional structure chart after manual push rod is connected.

Accompanying drawing 7 is for locking a door state under released state during transition, the fiting relation figure between lock core push rod and indoor driving wheel, the outdoor driving wheel shown in the accompanying drawing 6.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is done further to describe.

Extremely shown in Figure 5 according to Fig. 1, the said safety exit door lock of the utility model, it comprises housing 1, and this housing 1 is generally formed by upper casing and the lower casing fastening that punching press or foundry goods become, and a side of housing 1 also is provided with lock body baffle plate is installed.The driving bar 4 that is provided with indoor driving wheel 2, outdoor driving wheel 3 in the housing 1 and can drives respectively by indoor driving wheel 2, outdoor driving wheel 3; In the structure of routine; Indoor driving wheel 2 and outdoor driving wheel 3 coaxial installations, and drive by corresponding door handle (being commonly called as handle) respectively.Be provided with release gap 7 between indoor driving wheel 2 and the outdoor driving wheel 3; Outdoor driving wheel 3 is provided with locking vallecular cavity 8; Lock core push rod 6 is installed in the housing 1; Housing 1 is provided with by indoor driving wheel 2 and drives retraction and lock core push rod 6 is pushed into the dead bolt assembly 5 in release gap 7 from locking vallecular cavity 8, dead bolt assembly 5 with drive bar 4 and be connected, 5 of dead bolt assemblies reach housing 1 outside from lock body installation baffle plate.Under the unlock state of door lock, the user can pass through driving wheel 2 or outdoor driving wheel 3 in the handle drive chamber respectively, and then contracts through driving in the bar 4 drive dead bolt assemblies 5, accomplishes the action of opening the door.

Specifically; Indoor driving wheel 2 and outdoor driving wheel 3 are equipped with and are used to drive the shifting block 22 that drives bar 4 actions; Be release gap 7 between the shifting block 22 on the indoor driving wheel 2 and the shifting block 22 of outdoor driving wheel 3; Locking vallecular cavity 8 then is opened on the shifting block 22 of outdoor driving wheel 3, as shown in Figures 2 and 3.When lock core push rod 6 is positioned on the release gap 7, outdoor driving wheel 3 does not receive stopping of lock core push rod 6 and can rotate flexibly, and be the unlock state of door lock this moment; And move on the locking vallecular cavity 8 of outdoor driving wheel 3 when lock

core push rod

6,3 of outdoor driving wheels are pushed away bar by lock core to be stopped and can not rotate, and makes this door lock become the state to outer locking, promptly outdoor driving wheel 3 can't drive and drive bar 4 and open the door.

During this time, the said dead bolt assembly 5 of present embodiment is provided with unlock drive tube 20, and unlock drive tube 20 is provided with and is used to promote lock core push rod 6 is moved to release gap 7 by locking vallecular cavity 8 release inclined-plane 9.Specifically be on dead bolt assembly 5, to have conical bore, the conical surface of conical bore is described release inclined-plane 9, and diameter of section the best of this conical bore is for being linear gradually increase the from childhood along dead bolt assembly 5 retraction direction, like Fig. 3 and shown in Figure 7.Beyond present embodiment, the varying aperture of this conical bore also can be reverse, at this moment, only need the fitting relation of lock core push rod 6 and taper hole inner surface be adjusted into reverse drive and get final product; Additionally, as effectively replenishing beyond the embodiment, this release inclined-plane 9 also be simple inclined-plane, only need satisfy vertically moving of inclined-plane and promotes the laterally mobile of lock core push rod 6 and get final product.When under the state of above-mentioned door lock to outer locking; The user drives indoor driving wheel 2 through handle and drives and drive bar 4 so that dead bolt assembly 5 retractions; Vertically the dead bolt assembly 5 of retraction makes lock core push rod 6 laterally move on the release gap 7 through release inclined-plane 9, is implemented in the external lock-out state of removing door lock under the indoor state that opens the door simultaneously.

Simultaneously, the utility model also is provided with the yielding hole 21 that matches with lock core push rod 6 in the unlock drive tube 20, and release inclined-plane 9 is positioned at the port of making a concession hole 21.When lock body operates in released state be; Contract toward in owing to separate lock barrel 20, for fear of the interference obstruction of separating 20 pairs of lock core push rods 6 of lock barrel, for this reason; Make a concession hole 21 through in separating lock barrel 20, offering; Make lock core push rod 6 cross back, release inclined-plane 9 and get into and make a concession hole 21, and then make dead bolt assembly 5 continue retraction backward, until the completion action of opening the door.

Moreover; In the present embodiment; Be provided with the back-moving springs 19 that are used for the 5 past housing 1 outer releases of dead bolt assembly between unlock drive tube and the lock core push rod 6, an end of back-moving spring 19 is socketed on the unlock drive tube 20, and the other end of back-moving spring 19 is socketed on the lock core push rod 6; This back-moving spring 19 is in atmospheric pressure state, and the dead bolt assembly 5 after back-moving spring 19 opens the door retraction pushes back the state of stretching out.

Another kind as the utility model replenishes state, and it also can have the locking vallecular cavity 8 that matches with lock core push rod 6 on indoor driving wheel 2, same, and locking vallecular cavity 8 also is arranged on the shifting block 22 of indoor driving wheel 2.Be located at when lock core push rod 6 on the locking vallecular cavity 8 of indoor driving wheel 2; Then indoor driving wheel 2 is blocked and can not rotate by lock core push rod 6; Constitute the internal lock-out state of this door lock; The interior self-locking state that promptly is commonly called as, indoor is to open the door, and can only could remove the lock-out state of door lock through the aforesaid outdoor action of opening the door.This state is a kind of operational feasibility as the present technique scheme; Consider the safety exit effect; This indoor self-locking state generally is not advise being fitted on the door lock, specifically is to stop in the locking vallecular cavity 8 of driving wheel 2 in lock core push rod 6 inlet chambers through the other technologies structure.

Additionally; In the utility model technical scheme; The stretch out face of dead bolt assembly 5 on housing 1 is dead bolt lining face 10; The distance of dead bolt lining face 10 and the center of rotation of indoor driving wheel 2 or with the distance of the center of rotation of outdoor driving wheel 3 be 40mm-55mm, above-mentioned distance is preferably 42mm-48mm, but preferred 43mm-46mm.For general door lock product, when indoor driving wheel 2 and outdoor driving wheel 3 coaxial installations, above-mentioned distance of shaft centers then is the distance of the axis of rotation of door handle to dead bolt lining face 10 from 40mm-55mm.During this time; In order to improve the overall aesthetics of door lock; The general face that stretches out that also on housing 1, is positioned at dead bolt assembly 5 is installed dead bolt assembly liner plate 11; The lateral surface of dead bolt assembly liner plate 11 is a dead bolt lining face 10, and to this, above-mentioned 40mm-55mm then is the center of rotation of center of rotation or the outdoor driving wheel 3 of indoor driving wheel 2 serves as a contrast face 10 to dead bolt a distance.

In the utility model technical scheme, for the convenience of the users to the controlling of lock core push rod 6, on lock core push rod 6, be equipped with and be used to drive lock core push rod 6 and move to the manual push rod 12 of locking vallecular cavity 8, like Fig. 3, Fig. 5 and shown in Figure 7 by release gap 7.General say that the two ends of manual push rod 12 are provided with threaded connection hole, be convenient to people and be connected with the extension bar that is penetrated into outdoors above that.Be provided with the abutment sleeve 13 that is used for 6 installations of lock core push rod in the housing 1, these manual control push rod 12 cross-under are installed in the abutment sleeve 13.This manual control push rod 12 is provided with locating hole 14, and beyond present embodiment, this locating hole 14 can be arranged on the lock core push rod 6.Locating hole 14 is provided with the location ball 16 with elastic component 15 supportings; This elastic component 15 is a spring; Have and locate ball 16 on the abutment sleeve 13 and match and make lock core push rod 6 be positioned at the unlock hole 17 on the release gap 7, also have and locate ball 16 on this abutment sleeve 13 and match and make lock core push rod 6 be positioned at the lock hole 18 on the locking vallecular cavity 8.In the present embodiment, lock hole 18 is two, is distributed on the both sides of unlock hole 17, wherein, is to be used to realize the locking to outdoor near 18 of outdoor lock holes, then is to be used to realize indoor self-locking near indoor lock hole 18.When the user promotes manual push rod 12, location ball 16 presses down and gets into the lock hole 18 of unlock hole 17 front and back.If this door lock only need set outdoor lock function, so then need limit manual push rod 12 and drive that unlock hole 17 is crossed in place kick and move toward indoor direction, generally speaking, spacing snap ring is installed on manual push rod 12 is moved to indoor direction to prevent it.

Fig. 3, Fig. 4 and Fig. 5 are in unlock state for the utility model; Location ball 16 on the manual push rod 12 is positioned on the unlock hole 17 on the abutment sleeve 13; Lock core push rod 6 on the release gap 7 between indoor driving wheel 2 and the outdoor driving wheel 3, the user can be arbitrarily driving wheel 2 or outdoor driving wheel 3 action that realizes opening the door in the drive chamber through handle.

Fig. 6 and Fig. 7 be external lock-out state for the utility model is in; During this time; Location ball 16 on the manual push rod 12 is positioned on the abutment sleeve 13 near on the outdoor lock hole 18, makes lock core push rod 6 block on the locking vallecular cavity 8 of outdoor driving wheel 3, and outdoor driving wheel 3 can't rotate.At this moment, must drive indoor driving wheel 2 through handle, make dead bolt assembly 5 retractions, drive lock core push rod 6 through the release inclined-plane 9 on the dead bolt assembly 5 and laterally move on the release gap 7, make door lock be reset to above-mentioned non-released state indoor.

Can know that to sum up the door lock of the utility model is in the indoor back (outdoor driving wheel then can't be realized unlocking operation) that is locked, the user only needs to drive through handle and drives bar 4 and make and contract in the dead bolt assembly 5; In the dead bolt assembly 5 that contracts lock core push rod 6 is moved to release gap 7 by locking vallecular cavity 8, be implemented in the unlocking operation of accomplishing door lock when opening the door, make the utility model realize indoor opening the door and release action two-in-one; The release action is convenient and swift, easy to use simple and easy, particularly under indoor emergency; The user only needs pulling handle to get final product release; Striven for escape time to greatest extent, simultaneously it has replaced the knob fixture block structure of conventional door lock, simplified solution lock construction with said structure; And make dead bolt lining face 10 and the center of rotation of indoor driving wheel 2 distance or with the distance of the center of rotation of outdoor driving wheel 3 be 40mm-55mm; Make dead bolt lining face 10 to the axis of rotation of indoor driving wheel 2, outdoor driving wheel 3 apart from shortening dramatically, help reducing small product size, reduced the installation cavity of lock body on the door body; Avoid producing and dig the phenomenon of wearing doorframe, it is more firm to make lock body install.

Claims

1. short distance type escaping door lock; It comprises housing (1); The driving bar (4) that is provided with indoor driving wheel (2), outdoor driving wheel (3) in the housing (1) and can drives respectively by indoor driving wheel (2) or outdoor driving wheel (3); Be provided with release gap (7) between indoor driving wheel (2) and the outdoor driving wheel (3); Outdoor driving wheel (3) is provided with locking vallecular cavity (8); It is characterized in that: lock core push rod (6) is installed in the said housing (1); Housing (1) is provided with by indoor driving wheel (2) and drives retraction and lock core push rod (6) is pushed into the dead bolt assembly (5) in release gap (7) from locking vallecular cavity (8), and dead bolt assembly (5) is connected with driving bar (4), and said dead bolt assembly (5) extend out to outside the housing (1); The stretch out face of dead bolt assembly (5) on housing (1) is dead bolt lining face (10), the distance of dead bolt lining face (10) and the center of rotation of indoor driving wheel (2) or with the distance of the center of rotation of outdoor driving wheel (3) be 40mm-55mm.

2. according to the said short distance type of claim 1 escaping door lock, it is characterized in that: the distance of said dead bolt lining face (10) and the center of rotation of indoor driving wheel (2) or with the distance of the center of rotation of outdoor driving wheel (3) be 42mm-48mm.

3. according to the said short distance type of claim 2 escaping door lock, it is characterized in that: the face that stretches out that is positioned at dead bolt assembly (5) on the said housing (1) is installed dead bolt liner plate (11), and the lateral surface of dead bolt liner plate (11) is a dead bolt lining face (10).

4. according to the said short distance type of claim 3 escaping door lock; It is characterized in that: said dead bolt assembly (5) is provided with unlock drive tube (20), and unlock drive tube (20) is provided with and is used to promote lock core push rod (6) is moved to release gap (7) by locking vallecular cavity (8) release inclined-plane (9).

5. according to the said short distance type of claim 4 escaping door lock, it is characterized in that: be provided with the yielding hole (21) that matches with lock core push rod (6) in the said unlock drive tube (20), release inclined-plane (9) are positioned at the port of making a concession hole (21).

6. according to the said short distance type of claim 5 escaping door lock; It is characterized in that: be provided with the back-moving spring (19) that is used for the outer release of the past housing (1) of dead bolt assembly (5) between said unlock drive tube and the lock core push rod (6); One end of back-moving spring (19) is socketed on the unlock drive tube (20), and the other end of back-moving spring (19) is socketed on the lock core push rod (6).

7. according to the said short distance type of the arbitrary claim of claim 1 to 6 escaping door lock, it is characterized in that: be equipped with on the said lock core push rod (6) and be used to drive lock core push rod (6) is moved to locking vallecular cavity (8) by release gap (7) manual push rod (12).

8. according to the said short distance type of claim 7 escaping door lock, it is characterized in that: be provided with the abutment sleeve (13) that is used for lock core push rod (6) installation in the said housing (1), manual push rod (12) cross-under is installed in the abutment sleeve (13).

9. said according to Claim 8 short distance type escaping door lock; It is characterized in that: said manual push rod (12) or lock core push rod (6) are provided with locating hole (14); Locating hole (14) is provided with the location ball (16) with elastic component (15) supporting; Have and locate ball (16) on the abutment sleeve (13) and match and make lock core push rod (6) be positioned at the unlock hole (17) on the release gap (7), also have and locate ball (16) on this abutment sleeve (13) and match and make lock core push rod (6) be positioned at the lock hole (18) on the locking vallecular cavity (8).

10. according to the said short distance type of the arbitrary claim of claim 1 to 5 escaping door lock, it is characterized in that: have the locking vallecular cavity (8) that matches with lock core push rod (6) on the said indoor driving wheel (2).