CN205778002U - World door lock based on linkage from top to bottom dual fail-safe locking principle - Google Patents

Abstract

The utility model discloses a kind of world door lock based on linkage from top to bottom dual fail-safe locking principle, solve Tiandi lock structure complexity, cost height, mounting condition and mounting means and require the most harsh problem.This utility model includes tapered end, upper adjusting rod, medium lock, lower dolly bar, lower lock head and push rod；Wherein, medium lock includes middle lock shell, lock core, rotor, upper slide plate, lower slide plate and shifting fork mechanism；Upper tapered end includes lock shell, upper bolt axle, the first spring and touching lockable mechanism；Lower lock head includes lower lock shell, lower bolt axle and the second spring.The advantages such as this utility model simple in construction, simple installation, unit integrated level are high, cheap for manufacturing cost, interchangeability is strong, it is applicable not only to require on the highest high ferro, subway shield door, and the fire exit door escape lock such as market, supermarket, theater, auditorium, but also it is applicable to the installation of the indefinite door body in threshold gap, therefore, this utility model is suitable to popularization and application.

Description

World door lock based on linkage from top to bottom dual fail-safe locking principle

Technical field

This utility model relates to a kind of world door lock, is specifically related to a kind of sky based on linkage from top to bottom dual fail-safe locking principle Ground door lock.

Background technology

Each is locked in textural has difference, and this just determines the difference of its function, in order to public security needs, typically Lock no matter be Nei Kai or the most relatively time-consuming of external-open, and it is certain external to need some to bear at some special occasions The extruding of active force, again can be from the door lock of inside and outside convenient enabling, and therefore, Tiandi lock just arises at the historic moment.

World door lock is mainly made up of three kinds, upper, middle and lower lock body and push rod and connecting rod, be divided into press-down type Tiandi lock and Flat push type Tiandi lock, its be typically outdoors by key, door by horizontal sliding or under press push rod by the way of realize open the door.Mesh Before, Tiandi lock can be used as the fire exit door escape locks such as market, supermarket, theater, auditorium, but existing world door latch structure is the most multiple Parts miscellaneous, especially drive mechanism are more, and require the smooth gapless of door body, and therefore, existing world door lock is not only made Cause high, operation inconvenience, and also the most harsh to the installation specification of installer.

In sum, it is necessary to existing world door lock is improved.

Utility model content

The problem the most harsh in order to solve Tiandi lock structure complexity, cost height, mounting condition and mounting means requirement, this Utility model provides a kind of world door lock based on linkage from top to bottom dual fail-safe locking principle, and this world door latch structure is simple, can It is applicable to the indefinite door body in threshold gap, and upper tapered end, medium lock and lower lock head can be solved relative to position by fine setting adjusting rod There is trickle situation about staggering.

For achieving the above object, the technical solution adopted in the utility model is as follows:

World door lock based on linkage from top to bottom dual fail-safe locking principle, including being arranged on door and the most linearly Upper tapered end, upper adjusting rod, medium lock, lower dolly bar and the lower lock head of distribution, and it is positioned at the push rod of an inner side；

Described medium lock includes middle lock shell and is arranged in this lock core in lock shell, rotor, upper slide plate, downslide Sheet and shifting fork mechanism；Described rotor is connected with lock core and can be driven rotation by it, and described upper slide plate and lower slide plate are all with rotor even Connect and can move along a straight line towards contrary direction under rotor drives simultaneously；

Described upper adjusting rod one end connects has upper connecting rod, the other end to be connected with upper slide plate, is used for regulating tapered end with middle Lock spacing；

Described lower dolly bar one end connects has lower link, the other end to be connected with lower slide plate, is used for regulating lower lock head with middle Lock spacing；

Described upper tapered end includes lock shell, upper bolt axle, the first spring and touching lockable mechanism, wherein:

Described upper bolt axle is arranged on locks in shell；Described upper connecting rod is connected with upper bolt axle；Described shifting fork mechanism is same Time be connected with upper slide plate and push rod, for push rod promote under drive on slide plate move along a straight line, make bolt axle depart from doorframe Upper lockhole；

Described touching lockable mechanism departs from upper bolt axle position locking on doorframe after lockhole for upper bolt axle, so that on Bolt axle compresses the first spring；

Described first spring one end is fixed on locks in shell, and the other end is connected with upper bolt axle, is used for touching locking machine On driving during bolt axle on the non-locking of structure on bolt axle insertion doorframe in lockhole；

Described lower lock head includes lower lock shell, lower bolt axle and the second spring, wherein:

Described lower bolt axle is arranged in lower lock shell, and is connected with lower link, lower slide plate drive and depart under doorframe Lockhole；

Described second spring one end is fixed in lower lock shell, and the other end is connected with lower bolt axle, is used for driving lower latch Under axle insertion doorframe in lockhole.

Specifically, described shifting fork mechanism includes the shift fork being connected with upper slide plate, be arranged on this shift fork and with push rod one End connect for push rod promote under drive shift fork rotate so that on slide plate move and drive on bolt axle depart from doorframe The square hole adapter sleeve of lockhole, and the limited block stopping shift fork rotation on doorframe while lockhole is departed from for upper bolt axle.

Further, described rotor both sides are equipped with contiguous block；Described upper slide plate is provided with and the contiguous block of rotor side Match and this contiguous block is moved to opposite side by side when upper slide plate moves along a straight line the first chute；Described lower slide plate It is provided with and matches with the contiguous block of rotor opposite side and this contiguous block is moved to separately by side when lower slide plate moves along a straight line Second chute of side.

For convenience of the connection between upper and lower adjusting rod and upper and lower slide plate, described upper slide plate and lower slide plate are equipped with one Adapter sleeve, described upper adjusting rod one end removably connects with the adapter sleeve on upper slide plate, described lower dolly bar one end and lower slide plate On adapter sleeve removably connect.

Specifically, described touching lockable mechanism include head for door frame contact can being pushed away from doorframe toward outside locking Meeting and discussing within shell, and be arranged in shell of locking, for realizing the back-moving spring resetted toward housing exterior of locking of meeting and discussing；Institute State bolt axle and be provided with helical teeth；Described afterbody of meeting and discussing be provided with depart from for upper bolt axle block after lockhole on doorframe helical teeth, Meet and discuss and when moving toward enclosure of locking, depart from the pitch face of helical teeth.

As preferably, described upper slide plate, lower slide plate and the most L-shaped structure of meeting and discussing.

As preferably, described upper tapered end, medium lock and lower lock head all use rustless steel to make.

Compared with prior art, this utility model has the advantages that

(1) this utility model is a kind of high-performance lockset, has simple in construction, simple installation, unit integrated level height, exchanges Property the advantage such as strong, it uses linkage from top to bottom dual fail-safe locking principle, it is ensured that door body can bear external active force in off position Extruding, and tapered end, upper connecting rod, medium lock on it, between lower link and lower lock head, mostly use dismountable mode to carry out even Connect, even if thus world door lock is clashed into energetically or during continuous vibration, the phenomenon that also will not get loose.Therefore, this reality Be not only suitable for for requiring more harsh high ferro, subway shield door with novel, but also can be used as market, supermarket, theater, The fire exit door escape locks such as auditorium.

(2) the ingenious rotor that have employed of this utility model drives the mode moved round about of upper and lower slide plate to realize up and down The retraction of bolt axle, and rely on touching lockable mechanism and the first spring and the cooperation of the second spring, by between parts and parts Interaction relation, it is achieved that stretching out of upper and lower cotter joint axle, and simultaneously make upper and lower slide plate reset under the drive of upper and lower cotter joint axle, as This just can realize the open and close of world door lock repeatedly, and this kind of structure design is simple, clear, is highly susceptible to controlling, and goes out It is also convenient for maintenance when now damaging and changes.

(3) lock shell, medium lock and lower lock shell of this utility model all uses rustless steel to make, and good looking appearance is not given birth to Rust, indeformable.

(4) this utility model is also provided with the rise that can be used for regulating the spacing between tapered end, lower lock head and medium lock Pole and lower dolly bar, when installation length and relative position have error, can be adjusted by gap flexibly, directly in door body Fine setting connecting length, therefore, mounting condition is required relatively low by this utility model.

(5) this utility model cost performance is high, practical, with low cost, be prone to batch micro operations produces, and therefore has very Good popularization and application basis, meets the needs of masses well.

Accompanying drawing explanation

Fig. 1 is overall structure schematic diagram of the present utility model.

Fig. 2 is the structural representation of medium lock.

Fig. 3 is the generalized section of medium lock.

Fig. 4 is the connection diagram of upper and lower slide plate and rotor.

Fig. 5 is view during upper and lower vane motion.

Fig. 6 is the structural representation of upper tapered end.

Fig. 7 is the generalized section of upper tapered end.

Fig. 8 is the structural representation of lower lock head.

Fig. 9 is the generalized section of lower lock head.

Wherein, corresponding entitled of reference:

The upper tapered end of 1-, the upper bolt axle of 101-, 102-helical teeth, 103-locks upper cover, 104-back-moving spring, and 105-meets and discusses, 106-the first spring, 107-locks shell, and 108-locks low head, and the upper connecting rod of 2-, the upper adjusting rod of 3-, 4-medium lock, 401-is even Female connector, locks end socket, 403-shift fork, 404-square hole adapter sleeve, 405-lock core, 406-lock core set, locks shell in 407-in 402-, 408-locks low head, slide plate under 409-, 410-rotor, 411-limited block, the upper slide plate of 412-, 413-the second chute, 414-the One chute, 415-contiguous block, 5-push rod, 6-lower dolly bar, 7-lower link, 8-lower lock head, lock end socket, 802-second under 801- Spring, locks shell under 803-, lock low head, bolt axle under 805-under 804-.

Detailed description of the invention

The utility model is described in further detail with embodiment in explanation below in conjunction with the accompanying drawings, and mode of the present utility model includes But it is not limited only to following example.

Embodiment

As it is shown in figure 1, this utility model provides a kind of novel world door lock, it is applicable to the indefinite door body in threshold gap Install.This utility model includes tapered end 1, medium lock 4, lower lock head 8 and push rod 5.Like the prior art, described lock 1, medium lock 4, lower lock head 8 are arranged on door, and are the most linearly distributed, and push rod 5 is then positioned at an inner side.

Described upper tapered end 1 is for making the top of door fix with lockhole on doorframe, and described lower lock head 8 is for making the end of door Portion is fixed with lockhole under doorframe, the most just can realize the closedown of door.And when needs open the door, then by operation medium lock 4 or Push rod 5 realizes.It addition, for preventing door lock from getting rusty, described upper tapered end, medium lock and lower lock head all use rustless steel to make.

Below the concrete structure of medium lock, upper tapered end and lower lock head is introduced one by one.

As shown in Figure 2 and Figure 3, one of the controlling organization opened as door, described medium lock 4 include middle lock shell 407 with And be arranged in this locking lock core 405, rotor 410, upper slide plate 412, lower slide plate 409 and the shifting fork mechanism in shell 407.Described Middle lock shell then by lock end socket 402, middle lock low head 408 and be wrapped in lock outside end socket and middle lock low head Between lock housing composition.Being provided with lock core set 406 outside described lock core 405, this lock core 405, for coordinating with key, drives at key Under can rotate, and described rotor 410 is connected with lock core 405, and can be driven by it and rotate.

Described upper slide plate 412 and the lower the most L-shaped structure of slide plate 409, in the present embodiment, upper slide plate 412 and lower slide plate 409 All being connected with rotor 410, the two can move along a straight line towards contrary direction under rotor 410 drives simultaneously, specific design As shown in Figure 4, described rotor 410 both sides are provided with contiguous block 415, and are provided with on slide plate 412 and rotor one on described The first cunning that the contiguous block of side matches and this contiguous block is moved to opposite side by side when upper slide plate 412 moves along a straight line Groove 414；Described lower slide plate 409 is provided with and matches with the contiguous block of rotor 410 opposite side and do straight line fortune at lower slide plate 409 Time dynamic, this contiguous block is moved to the second chute 413 of opposite side by side.By chute and the synergism of rotor, can reach Upper and lower slide plate does, towards contrary direction, the effect moved along a straight line, as it is shown in figure 5, the arrow in figure i.e. represents upper and lower cunning simultaneously Sheet and rotor, the direction of motion of two contiguous blocks.

Described shifting fork mechanism is for coordinating with push rod 5, it is achieved opened by door in door.As it is shown on figure 3, this shifting fork mechanism Including shift fork 403 and limited block 411, wherein, described shift fork 403 is connected with upper slide plate 412, and this shift fork 403 side of being provided with Hole adapter sleeve 404.Square hole adapter sleeve 404 is connected with push rod 5 one end, under push rod 5 promotes, shift fork 403 can be driven to rotate, from And drive upper slide plate 412 to move along a straight line.

As shown in Figure 6, Figure 7, described upper tapered end 1 includes lock shell 107, upper bolt axle the 101, first spring 106 and Touching lockable mechanism, wherein, described in shell of locking include locking upper cover 103, the low head 108 and be wrapped in and lock envelope of locking 103 and low head 108 of locking outside upper lock housing composition.

Described upper bolt axle 101 is arranged on locks in shell 107, and described upper slide plate 412 is inserted with upper by upper connecting rod 401 Bearing pin 101 connects.It is so designed that, when shifting fork mechanism drives slide plate 412 to move along a straight line under push rod 5 promotes, can make Bolt axle 101 departs from the upper lockhole of doorframe.

Described touching lockable mechanism departs from upper bolt axle 101 position locking on doorframe after lockhole for upper bolt axle 101, It include head for door frame contact can be pushed away from doorframe and meet and discuss 105 toward locking within shell 107, and be arranged on In lock shell 107, for realizing the back-moving spring 104 toward shell 107 external reset of locking of meeting and discussing.On described upper bolt axle 101 It is provided with helical teeth 102；Described 105 afterbodys of meeting and discussing be provided with depart from for upper bolt axle 101 block after lockhole on doorframe helical teeth 102, Meet and discuss and when 105 past shells 107 of locking are internal to be moved, depart from the pitch face of helical teeth 102.And first described spring 106 one end is fixed In shell 107 of locking, the other end is connected with upper bolt axle 101.It is so designed that, when bolt axle on the touching non-locking of lockable mechanism When 101, due to the reset of the first spring, bolt axle in drive 101 is stretched out upper tapered end shell 107, and inserts locking of doorframe In hole.

As shown in Figure 8, Figure 9, described lower lock head 8 includes lower lock shell 803, lower bolt axle 805 and the second spring 802, Wherein, described lower lock shell 803 is locked end socket 801, lower lock low head 804 and is wrapped in lower lock head low head and lower lock under including Lower lock housing outside head low head；Described lower bolt axle 805 is arranged in lower lock shell 803, and by lower link 7 and lower slide plate 409 connect, lower slide plate 409 drive the lower lockhole departing from doorframe；Described second spring 802 one end is fixed on lower lock shell 803 In, the other end is connected with lower bolt axle 805, is used for driving lower bolt axle 805 to insert under doorframe in lockhole.

Additionally, in order to be applicable to the indefinite door body in threshold gap, solve upper tapered end, medium lock also by fine setting adjusting rod Having trickle situation about staggering, specific practice with lower lock head relative to position is to be provided above the upper of an adjustable length at medium lock Adjusting rod 3, and the lower dolly bar 6 of an adjustable length is set below medium lock, upper adjusting rod 3 and one end and upper slide plate 412 connect, and the other end is connected with upper connecting rod 401；Lower dolly bar 6 one end is connected with lower slide plate 409, the other end and lower link such as figure Shown in 1.It addition, for convenience of the connection of upper slide plate 412 with upper adjusting rod 3, in the present embodiment, upper slide plate 412 is provided with a company Female connector 202, this adapter sleeve is connected with upper adjusting rod 3, and uses bolt or screw to be connected between upper connecting rod with upper bolt axle；With Sample, for convenience of lower slide plate 409 and the connection of lower dolly bar 6, in the present embodiment, lower slide plate 409 also is provided with an adapter sleeve, This adapter sleeve is connected with lower dolly bar 6, and between lower link with lower bolt axle as use bolt or screw to connect.

Below work process of the present utility model is described in detail.

This utility model both can be from outward swinging door, again can be from inward swinging door.When outward swinging door, insert lock core by special triangular key In 405, then rotate its interior triangle lock shaft, drive rotor 410 to rotate, when rotor 410 rotates, rely on contiguous block thereon to exist Movement in chute so that upper and lower slide plate move along a straight line towards contrary direction simultaneously (upper slide plate down, lower slide plate up Mobile), thus drive upper connecting rod 401 and lower link 7 to move respectively simultaneously, drive upper and lower bolt axle to be retracted to respective tapered end In shell, depart from the upper and lower lockhole of doorframe, and simultaneously by first, second spring-compressed, now, only need to touch door body, make touching lock 105 resets under the effect of back-moving spring 104 of meeting and discussing in locking mechanism, make the pitch face card of its afterbody live on bolt axle 101 Helical teeth 102, it is achieved the locking to upper bolt axle, then while upper bolt axle locking, via rotor 410 and lower slide plate The locking of 409 pairs of lower bolt axles 805, i.e. can reach the purpose of enabling.

When inward swinging door, gently press push rod 5 with hands, make push rod 5 drive square hole adapter sleeve 404 to rotate, and drive shift fork 403 turns Dynamic, thus drive upper slide plate 412 down to move along a straight line so that upper bolt axle 101 is retracted to lock in shell 107, compression the One spring 106.While upper bolt axle is retracted, rotor 410 rotates under the drive of upper slide plate 412 so that lower slide plate 409 Up move along a straight line, thus drive lower bolt axle 805 to be retracted in lower lock shell 803, compress the second spring 802.Such one Coming, same need to be touched door body, make the reset of meeting and discussing in touching lockable mechanism, make the pitch face card of its afterbody live in bolt axle Helical teeth 102 on 101, it is achieved the locking to upper bolt axle, and the lock to lower bolt axle 805 via rotor 410 and lower slide plate 409 Only, i.e. can reach the purpose of enabling.

This utility model, at closing time, rotates door body, and when to overlap with doorframe, 105 meeting elder generation and door frame contact of meeting and discussing, Then under the counteracting force of doorframe, 105 past shells 107 of locking of meeting and discussing are internal mobile, and compression reseting spring 104 is met and discussed simultaneously The pitch face of 105 afterbodys departs from helical teeth 102, and now, under the effect of first, second spring, upper bolt axle 101 stretches out outside locking Shell 107, and insert on doorframe in lockhole；Meanwhile, lower bolt axle 805 stretches out in lower lock shell 803, and inserts lockhole under doorframe In, the most i.e. achieve and close the door.

This utility model is by design and improves existing world door lock, not only simplify its structure, significantly reduces The cost manufactured, and very convenient on operation and maintenance, thus compared with the door lock of the existing world, this utility model technology is entered Substantially, it has substantial feature and progress to step.

Above-described embodiment is only one of preferred implementation of the present utility model, should not be taken to limit of the present utility model Protection domain, all in body design thought of the present utility model and the change having no essential meaning made mentally or polishing, It is solved the technical problem that still consistent with this utility model, all should be included in protection domain of the present utility model it In.

Claims (7)

1. world door lock based on linkage from top to bottom dual fail-safe locking principle, it is characterised in that: include being arranged on door and from toward Under linear distributing upper tapered end (1), upper adjusting rod (3), medium lock (4), lower dolly bar (6) and lower lock head (8), and be positioned at Push rod (5) inside Men；

Described medium lock (4) includes middle lock shell (407) and is arranged in this lock core (405) in lock shell (407), turns Sheet (410), upper slide plate (412), lower slide plate (409) and shifting fork mechanism；Described rotor (410) is connected with lock core (405) and can be by It drives rotation, and described upper slide plate (412) and lower slide plate (409) are all connected with rotor (410) and can drive at rotor (410) Move along a straight line towards contrary direction while of lower；

Described upper adjusting rod (3) one end connects has upper connecting rod (401), the other end to be connected with upper slide plate (412), lock for regulation Head and medium lock spacing；

Described lower dolly bar (6) one end connects has lower link (7), the other end to be connected with lower slide plate (409), be used for regulating lower lock head With medium lock spacing；

Described upper tapered end (1) includes lock shell (107), upper bolt axle (101), the first spring (106) and touching lockable mechanism, Wherein:

Described upper bolt axle (101) is arranged in shell of locking (107)；Described upper connecting rod (401) is with upper bolt axle (101) even Connect；Described shifting fork mechanism is connected with upper slide plate (412) and push rod (5) simultaneously, drives upper slide plate at push rod (5) under promoting (412) move along a straight line, make bolt axle (101) depart from the upper lockhole of doorframe；

Described touching lockable mechanism departs from upper bolt axle (101) position locking on doorframe after lockhole for upper bolt axle (101), So that upper bolt axle (101) compresses the first spring (106)；

Described first spring (106) one end is fixed in shell of locking (107), and the other end is connected with upper bolt axle (101), is used for When touching bolt axle (101) on the non-locking of lockable mechanism on drive upper bolt axle (101) insertion doorframe in lockhole；

Described lower lock head (8) includes lower lock shell (803), lower bolt axle (805) and the second spring (802), wherein:

Described lower bolt axle (805) is arranged in lower lock shell (803), and is connected with lower link (7), lower slide plate (409) carry The dynamic lower lockhole departing from doorframe；

Described second spring (802) one end is fixed in lower lock shell (803), and the other end is connected with lower bolt axle (805), is used for Under under driving, bolt axle (805) inserts doorframe in lockhole.

World door lock based on linkage from top to bottom dual fail-safe locking principle the most according to claim 1, it is characterised in that: described Shifting fork mechanism includes the shift fork (403) being connected with upper slide plate (412), be arranged on this shift fork (403) upper and with push rod (5) one end Connect drives shift fork (403) to rotate so that upper slide plate (412) moves and drives upper latch under promoting at push rod (5) Axle (101) departs from the square hole adapter sleeve (404) of lockhole on doorframe, and departs from lockhole on doorframe for upper bolt axle (101) Stop the limited block (411) that shift fork (403) rotates simultaneously.

World door lock based on linkage from top to bottom dual fail-safe locking principle the most according to claim 1 and 2, it is characterised in that: Described rotor (410) both sides are equipped with contiguous block (415)；Described upper slide plate (412) is provided with the contiguous block phase with rotor side Mate and this contiguous block is moved to first chute (414) of opposite side by side when upper slide plate (412) moves along a straight line；Institute State lower slide plate (409) to be provided with the contiguous block with rotor (410) opposite side and match and move along a straight line at lower slide plate (409) Time this contiguous block moved to second chute (413) of opposite side by side.

World door lock based on linkage from top to bottom dual fail-safe locking principle the most according to claim 3, it is characterised in that: described An adapter sleeve (202), described upper adjusting rod (3) one end and upper slide plate it is equipped with on upper slide plate (412) and lower slide plate (409) (412) adapter sleeve on removably connects, and described lower dolly bar (6) one end detachably connects with the adapter sleeve on lower slide plate (409) Connect.

World door lock based on linkage from top to bottom dual fail-safe locking principle the most according to claim 4, it is characterised in that: described Touching lockable mechanism include head for door frame contact can being pushed away toward meeting and discussing inside shell of locking (107) from doorframe (105), and in being arranged on shell of locking (107), meet and discuss toward the back-moving spring of shell (107) external reset of locking for realization (104)；Described upper bolt axle (101) is provided with helical teeth (102)；Described (105) afterbody of meeting and discussing is provided with for upper bolt axle (101) Block helical teeth (102) on disengaging doorframe after lockhole, depart from helical teeth when meet and discuss (105) move toward shell (107) of locking is internal (102) pitch face.

World door lock based on linkage from top to bottom dual fail-safe locking principle the most according to claim 5, it is characterised in that: described Upper slide plate (412), lower slide plate (409) and (105) the most L-shaped structure of meeting and discussing.

World door lock based on linkage from top to bottom dual fail-safe locking principle the most according to claim 6, it is characterised in that: described Upper tapered end (1), medium lock (4) and lower lock head (8) all use rustless steel to make.